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Search Results
— 2000 specimen records retrieved (1627 records with coordinates) (That's the default maximum. Contact Jason Alexander for larger data requests.) Results for search: County=LASSEN; Source=All; Map/download results: BerkeleyMapper with layers and yellow flags |
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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/). | |
Records are made available under the CCH Data Use Terms. |
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A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ... |
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? | Specimen ID | Determination * | Collector | Collection Date | Collection Number | County | Locality | Elevation in meters | Feedback | |
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RSA518546 | Abies concolor | F. C. Vasek | 1976-9-3 | 760903 -A | Lassen | 5 miles W of Susanville, N of State Highway 44 at a point 1/4 mile N of junction with State Highway 36. | Comment | |||
CHSC21470 | Abies magnifica | M. S. Taylor | 1975-7-16 | 839 | Lassen | On trail between Echo Lake and Summit Lake, Lassen National Park. | 2133 | Comment | ||
CHSC4909 | Achillea millefolium | A. E. Anderson | 1967-7-1 | 67 | Lassen | Along fence n of road to Murrer Ranch, 1 mi. from ranch buildings. | 1371 | Comment | ||
CAS-BOT-BC260400 | Achnatherum hymenoides | Margaret Williams; Steven Williams | 1974-7-26 | 74 -L-1 | Lassen | Burned area near Hallelujah Junction, W of Highway 395 and S of Highway 70 | 1493 | Comment | ||
CAS-BOT-BC260402 | Achnatherum hymenoides | Ira L. Wiggins; Dorothy B. Wiggins | 1961-6-11 | 16335 | Lassen | 13.5 miles E of Susanville | Comment | |||
UC60714 | Achnatherum hymenoides | J. Burtt Davy | Jun 17 1897-Jun 24 1897 | Lassen | Long Valley Honey Lake Valley | Comment | ||||
UCD50374 | Achnatherum hymenoides | P. B. Kennedy | 1901-6-10 | s.n. | Lassen | R.R. Station, Constantia, California. Lassen County. | Comment | |||
RSA152596 | Achnatherum hymenoides | I. L. Wiggins, Dorothy Wiggins | 1961-6-11 | 16335 | Lassen | 13.5 miles east of Susanville. | Comment | |||
UC1024816 | Achnatherum lemmonii | Leo Whitney | 1935-6-19 | 3263 | Lassen | Camp 10, Fruit Grower's Supply Company Lassen National Forest | Comment | |||
UC1137653 | Achnatherum lemmonii | George A. Fisher and Irwin H. Johnson | F 198 | Lassen | Grass Valley Lassen National Forest | 1696 | Comment | |||
UC773978 | Achnatherum lemmonii | L. R. Short and J. Warren | 1936-6-9 | S- 401 | Lassen | Burgess Spr. Exp. Range Lassen Forest | 1808 | Comment | ||
UCD37477 | Achnatherum lemmonii | Beecher Crampton | 1960-6-18 | 5717 | Lassen | Lassen County, southern Warner Mountains, 1.25 miles north of Blue lake, in vicinity of Blue Lake Ranch. | 1981 | Comment | ||
CHSC114405 | Achnatherum nevadense | Don Lepley | 2014-6-24 | Lassen | Lassen National Forest, Eagle Lake Ranger District. Two air miles east of Diamond Mountain summit, around landing at end of Road 28N52A. | 2133 | Comment | |||
SBBG115546 | Achnatherum nevadense | B. Crampton | 1960-6-18 | 5729 | Lassen | S Warner Mts, ca. 1.25 mi N of Blue Lake, in vicinity of Blue Lake Ranch | 1981 | Comment | ||
CAS-BOT-BC216801 | Achnatherum occidentale | David D. Keck | 1944-7-8 | 5451 | Lassen | 1.5 miles W of Susanville on rim of plateau overlooking Susan River Canyon | 1341 | Comment | ||
CAS-BOT-BC216803 | Achnatherum occidentale | John Thomas Howell | 1934-7-10 | 12535 | Lassen | Between Harvey Valley and Patterson Flats | Comment | |||
CAS-BOT-BC216451 | Achnatherum occidentale subsp. californicum | John Thomas Howell | 1969-8-7 | 45884 | Lassen | Butte Lake, Lassen Park | Comment | |||
POM115575 | Achnatherum occidentale subsp. occidentale | Marcus E. Jones | 1897-6-21 | s.n. | Lassen | Chat. | 1616 | Comment | ||
UC1024688 | Achnatherum occidentale subsp. occidentale | Leo Whitney | 1933-7-15 | 2157 | Lassen | 16 mi w of upper end of Eagle Lake; Lassen National Forest, Harvey Montain | Comment | |||
UC1024810 | Achnatherum occidentale subsp. pubescens | Leo Whitney | 1935-6-11 | 3271 | Lassen | Camp 10, Fruit Grower's Supply Company Lassen National Forest | Comment | |||
UC1024910 | Achnatherum occidentale subsp. pubescens | Leo Whitney | 3372 a | Lassen | ca. 13 mi w of upper end of Eagle Lake (Ashurt Mountain); Ashurt Mountain | 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 | ||
UCD18961 | Achnatherum occidentale subsp. pubescens | Raymond D. Ratliff | 1965-7-12 | 15 | Lassen | Lassen National Forest, Harvey Valley Allotment and Champ's Flat Allotment (HV 81-76 and CF 81-9). | 1737 | Comment | ||
UCD51216 | Achnatherum occidentale subsp. pubescens | R. Tofsrud | 1947-7-1 | 222 | Lassen | 12 mi. E. of Madeline. | Comment | |||
CAS-BOT-BC218009 | Achnatherum thurberianum | Louella Bass | 1973-5-25 | EU 42 | Lassen | Elysian Valley | 1325 | Comment | ||
SEINET235273 | Achnatherum thurberianum | CSU Chico | Lassen | unspecified | Comment | |||||
UC1133071 | Achnatherum thurberianum | A. Simontacchi | 1940-6-13 | 859 | Lassen | 3/3 mi wsw Patterson Mtn.; Lassen National Forest, Halls Flat Quadrangle | Comment | |||
CAS-BOT-BC217991 | Achnatherum webberi | David D. Keck; J. Clausen | 1935-6-24 | 3749 | Lassen | 2 miles S of Ravendale | 1463 | Comment | ||
CAS-BOT-BC217993 | Achnatherum webberi | David D. Keck; J. Clausen | 1935-6-24 | 3749 | Lassen | 2 miles S of Ravendale | 1463 | Comment | ||
CHSC29909 | Acmispon americanus var. americanus | Robin L. Ondricek | 1978-7-15 | 99 | Lassen | East side of Lower Dry Lake. | 1645 | Comment | ||
CHSC29950 | Acmispon americanus var. americanus | Robin L. Ondricek | 1978-6-8 | 51 | Lassen | Murrers Upper Meadow, .6 mi E of inersection with main rd. to ELFS. | 1554 | Comment | ||
CHSC5075 | Acmispon americanus var. americanus | D. L. Stites | 1967-7-8 | 121 | Lassen | Ca. 18 mi n of Susanville. | 1371 | Comment | ||
JEPS121257 | Acmispon denticulatus | Lowell Ahart, John Dittes | 2013-7-23 | 18888 | Lassen | 40 yards S of the man-made pond, about 110 yards N of the four tall poles, Ash Creek State Wildlife Area, about 5.5 air miles NE of Bieber, Big Valley. | Comment | |||
SBBG109301 | Acmispon nevadensis var. nevadensis | C. B. Hardham | 1961-6-16 | 7454 | Lassen | Gold Run Crk, S of Susanville | Comment | |||
OBI75866 | Aconitum columbianum subsp. columbianum | Anthony Baniaga | 2011-8-9 | 490 | Lassen | Lassen Natl Forest. About 1/2 mi W of Griffith Hill, S of 30N21. Swain Mtn quad T30N R8E sec 8 NW of NW | 1950 | Comment | ||
UC1220355 | Adonis aestivalis | J. R. Sweeney | 1962-6-5 | 2653 | Lassen | 1/2 mi n ow Willow Creek Guard Station (16 mi n of Susanville on State Highway 139, 54 mi s of Adin); State Highway 139 | 1219 | Comment | ||
CHSC5269 | Agastache parvifolia | J. B. Kimsey | 1946-6-10 | Lassen | 1615 | Comment | ||||
SEINET11261375 | Agastache parvifolia | Robert L. Johnson, Mikel R. Stevens | 2015-7-10 | 3929 | Lassen | 5.6 rd miles west of jct with Hwy 395 beginning on Dawn Dr, then continuing on road to summit of Shaffer Mountain. Ca 16 air mi ene of downtown Susanville.; 0 | 1910 | Comment | ||
UC1483811 | Agastache urticifolia | G. Schoolcraft | 1979-7-5 | 122 | Lassen | n face Observatioin Peak; n face of Observation Peak | 1828 | Comment | ||
UC104571 | Agastache urticifolia | F. Stephens | 1894-7-15 | Lassen | Madeline Divide | Comment | ||||
CAS-BOT-BC383105 | Ageratina occidentalis | Andrew Townesmith; Karen M. Meyer | 2007-7-20 | 836 | Lassen | Lassen National Forest, Eagle Lake Ranger District. Along Forest Service road 30N03, 0.5 mile from intersection with state route 36, at roadblock where two decrepit bridges cross Susanville River | 1429 | Comment | ||
CAS-BOT-BC30231 | Ageratina occidentalis | William Bridge Cooke | 1938-8-24 | 11580 | Lassen | In small valley just west of Bolam Creek. Also on an outcropping west of Horse Camp in the Shasta Fir Forest | 2133 | Comment | ||
CAS-BOT-BC30233 | Ageratina occidentalis | Hans Leschke | 1964-9-4 | 1894 | Lassen | Lassen Highway near Diamond Point | Comment | |||
UC468891 | Agoseris X dasycarpa | J. Burtt Davy | Jun 17 1897-Jun 24 1897 | 3404 | Lassen | Chat Honey Lake Valley, Long Valley | Comment | |||
RSA0065401 | Agoseris glauca | M. P. Harthill | 1971-6-21 | 223 | Lassen | Ravendale. | Comment | |||
SEINET10925084 | Agoseris glauca | Paul Gallian, David B. Dunn | 1971-6-2 | Gallian 510 | Lassen | 6 mi. N of Hallelujah Jct. on U.S. Hwy. 395, in Artemisia tridentata, Pinyon pine, Jeffery pine along high ridge and in sandy wash. | 1402 | Comment | ||
POM33406 | Agoseris glauca var. dasycephala | F. H. Hillman | 1897-7-12 | s.n. | Lassen | Chat | Comment Read comments Mar 6 2011 |
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CAS-BOT-BC15350 | Agoseris heterophylla | Doris Kildale Gillespie | 1930-5-13 | 9370 | Lassen | Between Susanville and Janesville | Comment | |||
JEPS118267 | Agoseris heterophylla | Lowell Ahart, John Dittes | 2011-6-20 | 17485 | Lassen | About 15 yards west of the stream, about 40 yards south of where the road crosses Hunsinger Draw, 1.9 miles (air) northwest of Moll Reservoir, 2.8 miles (air) west of Ash Valley, 8.4 miles (air) southeast of Adin | 1520 | Comment | ||
UC584430 | Agoseris heterophylla var. heterophylla | Babcock and Stebbins | 1936-6-7 | 1774 | Lassen | Red Rock | Comment | |||
UCD107495 | Agoseris monticola | Tim Kuhn | 2006-7-18 | 41 | Lassen | Eagle Lake Ranger District.. | Comment | |||
UC585114 | Agoseris parviflora | E. B. Babcock, G. L. Stebbins Jr. | 1936-6-8 | 1793 | Lassen | about 2 mi n Madeline | 1363 | Comment | ||
UC1776674 | Agoseris parviflora | G. Schoolcraft | 1994-7-7 | 2365 | Lassen | About 1 miles west of Boot Lake | 219 | Comment | ||
HSC100160 | Agropyron cristatum | J. P. Smith, & J. O. Sawyer | 2011-8-14 | 13375 | Lassen | Ramhorn Campground. | 1383 | Comment | ||
SEINET10551977 | Agropyron elongatum | John Thomas Howell | 1975-7-23 | Howell 51409 | Lassen | Along Hwy 395 between Johnstonville and Janesville. Densely cespitose. | 1280 | Comment | ||
UCR152278 | Agropyron spicatum | Beecher Crampton | 1954-7-5 | 2053 | Lassen | Modoc Plateau, 4.5 miles west of Susanville, along state highway 36 | 1433 | Comment | ||
UC1130648 | Agrostis alba | H. S. Yates | 1936-8-11 | 6069 | Lassen | Baxter Creek Susanville Quadrangle | Comment | |||
UC1130661 | Agrostis alba | H. S. Yates | 1936-8-11 | 6060 | Lassen | near Red Rock; Susanville Quad. | Comment | |||
UC1137133 | Agrostis alba | August L. Hormay | 1932-7-20 | Lassen | Bogard Ranger Station Lassen National Forest, Bogard Ranger Station | Comment | ||||
CAS-BOT-BC127240 | Agrostis exarata | John Thomas Howell; Gordon H. True | 1973-8-1 | 50226 | Lassen | Sierra Nevada. Headwaters of Baxter Creek. East slope of Diamond Range south of Susanville. | 2133 | Comment | ||
HSC8791 | Agrostis exarata | D. E. Anderson | 1963-8-25 | 2803 | Lassen | 3 mi. E of Cromberg | 1372 | Comment Read comments Apr 25 2013 |
||
RSA129563 | Agrostis exarata | L. R. Short | 1936-8-21 | 499 | Lassen | Burgess Spr. Exp. Range. | 1799 | Comment | ||
UCD52292 | Agrostis exarata | L. Whitney | 1933-8-1 | s.n. | Lassen | Near Slate Creek. | Comment | |||
CAS-BOT-BC139676 | Agrostis gigantea | John Thomas Howell; Gordon H. True; Margaret Williams | 1973-6-28 | 49483 | Lassen | Sierra Nevada. Elysian Valley, west of Janesville. | 1325 | Comment | ||
CAS-BOT-BC139679 | Agrostis gigantea | John Thomas Howell | 1976-7-19 | 51975 | Lassen | Sierra Nevada. On Gold Run Creek southwest of Susanville. | 1386 | Comment | ||
UCD51747 | Agrostis gigantea | John Thomas Howell | 1975-7-23 | 51401 | Lassen | Sierra Nevada. Susanville. | 1295 | Comment | ||
CAS-BOT-BC139292 | Agrostis idahoensis | G. Schoolcraft | 1994-8-1 | 2383 | Lassen | About 2 miles west of Boot Lake. | 2255 | Comment | ||
UC1594652 | Agrostis pallens | Vernon H. Oswald and Lowell Ahart | 1992-7-16 | 5107 | Lassen | s side of Hwy 44 1.2 mi se County Road A21 (between Old Station and Susanville); Long Lake | 1745 | Comment | ||
UCD53171 | Agrostis pallens | L. D. Whitney | 1935-6-27 | s.n. | Lassen | near Fruit Grower Supply Co. | Comment | |||
UCD53252 | Agrostis pallens | M. S. Baker; Frank Nutting | 1894-7-21 | s.n. | Lassen | Eagle Lake. | 1524 | Comment | ||
SEINET4341134 | Agrostis pallens | G. Schoolcraft | 1994-7-6 | 2349 | Lassen | About 1.5 miles NE of Red Rock Lake | 2042 | Comment | ||
JEPS28272 | Agrostis variabilis | George W. Gillett | 1957-7-28 | 927 | Lassen | above junction Snag Lake trail (100 yds above trail junction, trail to Widow Lake, at upper end of Butte Lake); Lassen Volcanic National Park, Butte Lake | 1859 | Comment | ||
SEINET12558767 | Aliciella triodon | A. Tiehm | 1980-1 | 5756 | Lassen | North end of Honey Lake Valley, 2 air miles northwest of Wendel | 1231 | Comment | ||
RSA0066567 | Aliciella triodon | Marcus E. Jones | 1897-6-25 | s.n. | Lassen | 10 to 15 miles west from Amedee. | 1219 | Comment | ||
CAS-BOT-BC267065 | Alisma gramineum | Malcom A. Nobs; S. Galen Smith | 1949-7-22 | 1074 | Lassen | Marshes along Willow Creek, Willow Creek Valley, 10 miles N of Susanville | Comment | |||
UC978580 | Alisma gramineum | Verne Grant and Irving Schneider | 1947-8-1 | 8221 | Lassen | irrigation ditch running sw into State Fish and Game nesting area on west side of Section 19; Madeline Plain | Comment | |||
UC1299748 | Allium acuminatum | Freed W. Hoffman | 1946-6-9 | 739 | Lassen | on Highway 395 about 10 mi s Alturas; Dry Creek | Comment | |||
UC3061 | Allium amplectens | M. S. Baker and Frank Nutting | 1894-7-3 | Lassen | Dixey Mts. | Comment | ||||
CHSC71106 | Allium anceps | Vernon H. Oswald; Lowell Ahart | 1998-5-22 | 9102 | Lassen | Hackstaff Rd. 1.0 mi south of Laver Crossing Rd., 0.2 mi north of Fort Sage Rd., ca. 3 mi north of Doyle. | 1316 | Comment | ||
CHSC7663 | Allium anceps | Beverley J. Wise | 1969-5-4 | 140 | Lassen | 23.4 mi. east of Susanville on Hwy 395. | 1615 | Comment | ||
HSC69609 | Allium anceps | Gary Schoolcraft | 1980-4-30 | 215 | Lassen | N base of Shaffer Mtn. near Shaffer Well | 1354 | Comment | ||
SEINET222604 | Allium anceps | D. W. McNeal | 1978-5-30 | 2127 | Lassen | Beside Hwy 395, 3 mi. S of Ravendale. | Comment | |||
SEINET3883817 | Allium anceps | D. W. McNeal | 1980-6-1 | 2340 | Lassen | Beside Co. Highway 88, between Adin and Madeline, 15.0 miles east of Highway 299 in Adin.; 0 | Comment | |||
CHSC64812 | Allium atrorubens var. atrorubens | Vernon H. Oswald | 1995-6-7 | 6836 | Lassen | Modoc Plateau, on N side of Wendel Rd. (Lassen 320) at milepost 11.0, 5.6 mi E of Wendel, NE of Susanville. | 1237 | Comment | ||
RSA367053 | Allium bisceptrum | Rockwell | 1925-01 | s.n. | Lassen | Eagle Lake. | Comment | |||
POM110223 | Allium campanulatum | Marcus E. Jones | 1897-6-28 | s.n. | Lassen | Top of Diamond Mt. Susanville. Perkin's Ranch. | 2226 | Comment | ||
HSC84127 | Allium lemmonii | Dale McNeal | 1983-6-5 | 2840 | Lassen | Beside Eagle Lake Rd., 0.5 mi. N of Hwy. 36 | Comment | |||
RSA27674 | Allium lemmonii | C. L. Hitchock | 1940-5-26 | 6640 | Lassen | Overflow of Pitt River, 1 mile west of Bieber, in adobe soil | Comment | |||
SEINET3884710 | Allium lemmonii | D. W. McNeal | 1983-6-6 | 2846 | Lassen | Beside Highway $395, 4.5 miles South of the Modoc Co. line.; 0 | Comment | |||
UC1133851 | Allium parvum | A. Simontacchi | 1940-5-17 | 735 | Lassen | 5.9 mi s Patterson Mtn.; Lassen National Forest, Halls Flat Quadrangle | Comment | |||
POM110004 | Allium platycaule | Marcus E. Jones | 1897-6-28 | s.n. | Lassen | Diamond Mountain. Susanville. Perkin s Ranch. | 1829 | Comment | ||
CAS-BOT-BC474074 | Allium platycaule | John Thomas Howell; Gordon H. True | 1973-9-1 | s.n. | Lassen | Headwaters of Baxter Creek, Diamond Mts, Sierra Nevada | 2164 | Comment | ||
CAS-BOT-BC474076 | Allium platycaule | John Thomas Howell; Gordon H. True; Wayne Dakan | 1974-7-30 | 50684 | Lassen | South and southeast of Diamond Mountain, Sierra Nevada | 2286 | Comment | ||
HSC84123 | Allium platycaule | Dale McNeal | 1983-6-6 | 2844 | Lassen | Wash below Horse Lake Rd., 5.3 mi. NE of the junction of Hwy. 139 | Comment | |||
JEPS126533 | Allophyllum divaricatum | Lowell Ahart, John Dittes | 2016-6-7 | 21011 | Lassen | 5 yards west of State Highway 299, Big Valley Mountains, 0.4 mile (air) northeast of Big Valley Summit, 5.0 miles (air) southwest of Bieber. | Comment | |||
JEPS94536 | Allophyllum integrifolium | Vernon Oswald and Lowell Ahart | 1997-6-24 | 8604 | Lassen | s of Susanville (on n side of Diamond Mountain at a stream on Forest Road 29N43, 3.5 mi e of Gold Run Road (29N10)); Diamond Mountain, Forest Road 29N43 | 1655 | Comment | ||
RSA537548 | Alnus incana | Barbara Ertter | 1988-7-25 | 7868 | Lassen | ridge of Diamond Mtns, ca. 1.5 mi. E of Diamond Peak, ca. 10 air miles due S of Susanville. | 2256 | Comment | ||
CAS-BOT-BC171315 | Alnus incana subsp. tenuifolia | John Thomas Howell; Gordon H. True; Margaret Williams | 1973-6-28 | 49461 | Lassen | Elysian Valley, W of Janesville. Sierra Nevada | 1325 | Comment | ||
NY526213 | Alnus incana subsp. tenuifolia | G. Schoolcraft | 1982-8-18 | 887 | Lassen | Along Doyle Grade Road, west of Doyle | 1554.5 | Comment | ||
CHSC112469 | Alopecurus carolinianus | Lowell Ahart; John Dittes, Todd Sloat | 2013-6-8 | 18731 | Lassen | About 30 yards north of the four tall poles, Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. | 1267 | Comment | ||
CHSC117285 | Alopecurus carolinianus | Lowell Ahart; John Dittes | 2016-7-15 | 21214 | Lassen | About 300b yards west of the 4 tall poles, Ash Creek State Wildlife Area, about 5.5 miles (air) mortheast of Bieber, Big Valley. | 1261 | Comment | ||
JEPS127279 | Alopecurus carolinianus | Lowell Ahart, John Dittes | 2016-7-13 | 21142 | Lassen | 100 yards east of Stonebreaker Road, 0.6 miles south of County Road A-2, 5.3 miles (air) east of Bieber, 7.3 miles (air) southwest of Adin, hills at the southern slope of Big Valley. | Comment | |||
CHSC63387 | Alyssum desertorum | Vernon H. Oswald; Beth Corbin, Michael Dolan | 1994-6-18 | 6310 | Lassen | Blue Door Flat on Clarks Valley Rd. (Lassen 510) ca. 7 mi E of Madeline. On the edge of the road. | 1767 | Comment | ||
UC1951079 | Alyssum desertorum | Debra Valov | 2009-4-24 | 2009012 | Lassen | Bieber; property on south side of County A2 c. 5.4 mi east of Hwy 299 | Comment | |||
HSC102800 | Alyssum simplex | L. Ahart | 2011-6-20 | 17493 | Lassen | 1.9 air miles NW of Moll Reservoir, 2.8 air miles W of Ash Valley, 8.4 air miles SE of Adin; ~ 80 yds. N of where road crosses Hunsinger Draw | 1521 | Comment | ||
CHSC99984 | Ambrosia acanthicarpa | L. P. Janeway | 2008-8-2 | 9524 | Lassen | Modoc Plateau. Honey Lake Valley, 4.9 air km southeast of Standish, along Mapes Road 0.3 km east of Lambert Lane. | 1222 | Comment | ||
RSA166673 | Amelanchier pallida | Alfred Richardson | 1961-5-30 | 8 | Lassen | S of Eagle Lake. | 1402 | Comment | ||
CAS-BOT-BC142539 | Amelanchier utahensis | Philip A. Munz | 1947-5-20 | 11886 | Lassen | Laufman Forestry Public Camp Ground, above Milford. | 1524 | Comment | ||
JEPS28676 | Amelanchier utahensis | George W. Gillett | 1957-7-26 | 903 | Lassen | Butte Lake Lassen Volcanic National Park (point of rocks w of outlet and above trail) | 1844 | Comment | ||
UC12072 | Amelanchier utahensis | Mrs. R. M. Austin and Bruce | Jun 1898 | 2338 | Lassen | Comment | ||||
CAS-BOT-BC222252 | Amsinckia | Alice Eastwood; John Thomas Howell | 1940-6-11 | 7967 | Lassen | Eastern Fall River Valley | Comment | |||
JEPS107316 | Amsinckia menziesii var. menziesii | Lowell Ahart, John Dittes | 2005-6-1 | 11899 | Lassen | Road edge, on the north side of Scott Road, east side of the railroad underpass, Long Valley, about 4 3/4 miles (air) north of the intersection of Scott Road and Highway 70, 6.2 miles (air) northwest of Hallelujah Junction | 1459 | Comment | ||
JEPS61105 | Amsinckia menziesii var. menziesii | W. L. Jepson | 1918-8-2 | 7777 | Lassen | Beckwith Pass | 1463 | Comment | ||
UC1182224 | Amsinckia menziesii var. menziesii | Francia Chisaki | 1956-5-31 | 891 | Lassen | 15.4 mi n Litchfield (on Hwy #395) | Comment | |||
HSC28822 | Amsinckia tessellata | D. H. Norris, Thomas W. Nelson, S. Dowty | 1971-6-22 | 19277 | Lassen | Along Hwy. 395, 4 mi. E of Standish | Comment | |||
CHSC64764 | Amsinckia tessellata var. tessellata | Vernon H. Oswald | 1995-5-24 | 6761 | Lassen | Modoc Plateau. Wendel Rd. (Lassen 320) 3.3 mi e of Amedee Rd. at Wendel. | 1280 | Comment | ||
JEPS94122 | Amsinckia tessellata var. tessellata | Vernon H. Oswald and Lowell Ahart | 1998-5-22 | 9091 | Lassen | Hwy. 395 at an intermittent drainage crossing the rd. 2.3 mi. s. Milford | 1255 | Comment | ||
CHSC64748 | Ancistrocarphus filagineus | Vernon H. Oswald | 1995-5-31 | 6809 | Lassen | Modoc Plateau. Smoke Creek Ranch Rd. 1.3 mi E of Hwy. 395, between Litchfield and Ravendale. | 1353 | Comment | ||
CAS-BOT-BC63874 | Antennaria argentea | Marcus E. Jones | 1897-6-25 | s.n. | Lassen | Susanville | 1341 | Comment | ||
SEINET2035368 | Antennaria argentea | C. L. Hitchcock | 1940-5-26 | 6616 | Lassen | Lava beds ca. 12 miles north of Fall River Mills (Shasta Co.) on Fall River | 1370 | Comment | ||
HSC42425 | Antennaria argentea | Barbara Kelly | 1977-8-8 | 550 | Lassen | Ash Creek Campground | Comment | |||
SEINET6735052 | Antennaria corymbosa | B. L. Wilson, D. Lytjen, N. Otting | 2005-7-29 | 11496 | Lassen | Blue Door Flat, seven or eight miles east of HWY 295 on county road 510 | 1774 | Comment | ||
CAS-BOT-BC59216 | Antennaria dimorpha | John Thomas Howell; Gordon H. True; Margaret Williams | 1973-5-12 | 49200 | Lassen | Elysian Valley northwest of Janesville | 1325 | Comment | ||
CHSC68729 | Antennaria dimorpha | Vernon H. Oswald; Lowell Ahart | 1997-5-27 | 8505 | Lassen | North of Susanville on Forest Route 38N04 (between Hwy. 139 near Willow Creek Guard Station and Coyote Flat), 0.3 mi east of Hwy. 139. | 1560 | Comment | ||
SEINET10671600 | Antennaria dimorpha | David B. Dunn, Billy Joe Cox | 1971-6-2 | Dunn 17794 | Lassen | 6 mi. N of Hallelujah Jct. on U.S. Hwy. 395, in Artemisia tridentata, Pinyon pine, Jeffery Pine along high ridge & in sandy wash. | 1402 | Comment | ||
UC1137665 | Antennaria geyeri | George A. Fischer and Irwin H. Johnson | 1933-7-14 | F 267 | Lassen | Lassen National Forest | 1722 | Comment | ||
SJSU7638 | Antennaria geyeri | J. W. Tilden | 1960-6-27 | 1510 | Lassen | foot of Moonlight Road in outskirts Westwood | 1524 | Comment | ||
CAS-BOT-BC58688 | Antennaria luzuloides | Louella Bass | 1974-6-2 | EV 135 | Lassen | Elysian Valley | 1325 | Comment | ||
CDA10077 | Antennaria luzuloides | L. Ahart, J. Dittes | 2005-6-1 | 11862 | Lassen | On the east side of the poor dirt road, about 1/2 mile west of Scott Road, Long Valley, about 2 miles (air) northwest of the intersection of Scott Road and Highway 70, 3.9 miles (air) northwest of Hallelujah Junction. | Comment | |||
HSC82198 | Antennaria luzuloides | Thomas W. Nelson, Jane P. Nelson | 1980-7-6 | 6053 | Lassen | Along Ash Creek at Ash Creek Campground | 1494 | Comment | ||
UC1523764 | Antennaria luzuloides | Gary Schoolcraft | 1981-7-8 | 498 | Lassen | near Coulthurst Flat | 1920 | Comment | ||
RSA637571 | Antennaria luzuloides | Michael A. Vincent | 1999-6-9 | 8577 | Lassen | Bureau of Land Management land, Madeline Plains. Southwest of US Rt. 395, southeast of CR 515 (Termo Road), S of BLM road 1614, and southwest of Termo. Along jeep road to Schott Canyon. | Comment | |||
CHSC89758 | Antennaria luzuloides subsp. aberrans | L. P. Janeway | 2004-6-26 | 8167 | Lassen | High Cascade Range. 0.6 km east-southeast of Patterson Flat along Road 33N71; Blacks Mountain Experimental Forest. | 1785 | Comment | ||
CAS-BOT-BC77291 | Antennaria microphylla | Mrs. Marian L. Campbell | 1916-7-12 | s.n. | Lassen | Mt. Peterson | Comment | |||
UC1609102 | Antennaria rosea | Vernon H. Oswald and Lowell Ahart | 1993-6-28 | 5589 | Lassen | Harvey Valley Rd (33N02) 1.7 mi n Hwy 44 (e side of valley, e of Poison Lake); Grays Valley | 1719 | Comment | ||
UCD149585 | Antennaria rosea | G. Ledyard Stebbins | 1982-9-16 | C 247 | Lassen | Vicinity of Eagle Lake. | Comment | |||
JEPS95712 | Anthemis cotula | Vernon H. Oswald and L. Ahart | 1995-8-14 | 7175 | Lassen | T30N R15E center NE1/4 Sec. 3, 4425 ft, Modoc Plateau, Sagebrush Scrub, alkaline clay soil. Hwy. 395 at the N end of a flooded playa (Mud Flat) 3.4 mi N of Smoke Creek Ranch Rd., N of Susanville. Roadside weed. | 1348 | Comment | ||
CHSC27593 | Apocynum androsaemifolium | N. E. Heiken | 1978-7-10 | 85 | Lassen | Colman Lake, several mi S of Eagle L. | 1962 | Comment | ||
CHSC6221 | Apocynum androsaemifolium | W. Vinyard | 1946-6-17 | Lassen | Eagle Lake, summit of Mt. Fredonyer. | 2349 | Comment | |||
UC1123464 | Apocynum androsaemifolium | H. P. Hagge | 1929-9-12 | 28 | Lassen | Logan Mt. Eagle Lake Quad., Logan Mt. | Comment | |||
JEPS95872 | Apocynum cannabinum | Vernon H. Oswald and L. Ahart | 1999-6-9 | 9739 | Lassen | Northeast of Susanville on County Rd. 216 (to Karlo and Biscar Wildlife Management Area) 0.4 mi west of Hwy. 395: T31N R15E NE1/4 Sect. 3, 4450 ft elevation, sagebrush scrub, volcanic rock substrate | 1356 | Comment | ||
CAS-BOT-BC392013 | Aquilegia | Clare B. Hardham | 1969-8-28 | 17453 I | Lassen | Slope west of Janesville | Comment | |||
SEINET5337698 | Aquilegia formosa var. truncata | C. G. Gulling | 1905-1 | 1544 | Lassen | Big Meadows | Comment | |||
UC1137671 | Arabis glabra | L. R. Short and Wm. Gansberg | 1936-6-10 | S- 422 | Lassen | Burgess Spring Experimental Range Lassen Forest | 1850 | Comment | ||
UCR18735 | Arabis holboellii | Frank C. Vasek | 1975-7-11 | 750711- 13 | Lassen | Modoc Plateau, State Hwy 139, [Said Valley] 2 mi north of Grasshopper Valley at the junction with Termo Rd. | 1650 | Comment | ||
UC10185 | Arabis holboellii var. retrofracta | M. S. Baker and Frank Nutting | 1894-7-9 | Lassen | Pine Creek | Comment | ||||
NY119564 | Arabis sparsiflora var. sparsiflora | D. W. McNeal | 1983-6-5 | 2842 | Lassen | Above co. rd. #201 above the N shore of Eagle Lake, 2.9 miles W of the jct. of Hwy. 139. | Comment | |||
SEINET5340852 | Arabis sparsiflora var. subvillosa | R. C. Rollins, K. W. Rollins | 1981-5-31 | 81178 | Lassen | Just north of Eagle Lake. | Comment | |||
SEINET2471272 | Arceuthobium abietinum | R. L. Mathiasen | 2008-9-15 | 2008 -27 | Lassen | 12.8 km S. of jct. of Westwood Road on State Route 44 | 1720 | Comment | ||
CAS-BOT-BC45898 | Arctostaphylos nevadensis | A. H. Kramer | 1930-7-1 | s.n | Lassen | Prospect Peak, Lassen National Park | Comment | |||
CHSC21058 | Arctostaphylos nevadensis | M. S. Taylor | 1975-7-16 | 838 | Lassen | On trail between Echo Lake and Summit Lake, Lassen National Park. | Comment | |||
CAS-BOT-BC45894 | Arctostaphylos nevadensis | Clare B. Hardham | 1971-8-22 | 18386 | Lassen | North slopes | 2133 | Comment | ||
NY223210 | Arctostaphylos patula | P. A. Munz | 1947-5-18 | 11865 | Lassen | Fredonyer Forestry Public Camp Ground, west of Susanville. | 1508.8 | Comment | ||
CHSC7703 | Arctostaphylos patula subsp. gankinii | Beverley J. Wise | 1969-5-9 | 41 | Lassen | 11 mi. west of Susanville on Forest Serv. Rd. 8246 off Hwy 36. | 1524 | Comment | ||
CAS-BOT-BC42165 | Arctostaphylos patula subsp. patula | Ida M. Gifford | 1933-12-27 | s.n. | Lassen | Near Susanville | 1310 | Comment | ||
CHSC36979 | Arenaria aculeata | M. S. Taylor; B. Hammond | 1982-8-27 | 5056 A | Lassen | On ridge between Crystal and Adams Peaks, Diamond Mts, ca. 4 air mi sw of Constantia. | 2225 | Comment | ||
JEPS28438 | Arenaria congesta var. congesta | George W. Gillett | 1957-7-29 | 945 | Lassen | Along trail between Butte Lake Snag Lake; Lassen Volcanic National Park | 1859 | Comment | ||
UCR71437 | Arenaria congesta var. subcongesta | Barbara Ertter, Gary Schoolcraft | 1987-6-16 | 7193 | Lassen | Skeedaddle Mtns, NE side of Honey Lake; saddle on E side of Hot Springs Peak | 2195 | Comment | ||
NY430990 | Arenaria kingii subsp. plateauensis | G. Schoolcraft | 1982-6-23 | 729 | Lassen | Fort Sage Mountains | 1920.2 | Comment | ||
SD8175 | Arenaria kingii var. glabrescens | Mrs. R. M. Austin | 1879-1 | Lassen | Spanish Peak. | 1980 | Comment | |||
CAS-BOT-BC401789 | Argemone munita subsp. rotundata | Alice Eastwood; John Thomas Howell | 1940-6-16 | 8337 | Lassen | Near Susanville | Comment | |||
RSA152609 | Argemone munita subsp. rotundata | I. L. Wiggins, Dorothy B. Wiggins | 1961-6-11 | 16352 | Lassen | 4.5 mi. e of Susanville | Comment | |||
UC1191450 | Argemone rotundata | Verne Grant, Irving Schneider | 1947-9-5 | 8367 | Lassen | nw shore of Eagle Lake, by Sam Webb's place (Spaulding) Eagle Lake | Comment | |||
CAS-BOT-BC400405 | Aristolochia californica | Jas. McMurphy | 1914-4-1 | s.n. | Lassen | Pitt | Comment | |||
CHSC27596 | Arnica chamissonis | George Deniso | 1978-7-21 | 96 | Lassen | E end of Mahogany Lake - SE of Eagle L. | 2060 | Comment | ||
CHSC59072 | Arnica chamissonis | Vernon H. Oswald; Lowell Ahart | 1992-8-25 | 5192 | Lassen | Lassen Volcanic National Park. West shore of Snag Lake SW of the islands. | 1851 | Comment | ||
CHSC84875 | Arnica chamissonis | Samantha Mackey Hillaire; Linnea Hanson, Catie Bishop | 2003-9-21 | 357 | Lassen | Lassen Volcanic National Park. Snag Lake; mudflat just N of an open stand of willows on the south shore of the lake; just east of where Grassy Creek flows into the lake. [Label says 'area near' latitude and longitude]. | 1900 | Comment | ||
JEPS114706 | Arnica chamissonis | Lowell Ahart, John Dittes | 2008-6-20 | 14902 | Lassen | In a wet meadow, about 150 yards southwest of where the levee road crosses Big Valley Canal, in Big Valley, about 4 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7.0 miles (air) northeast of Bieber | 1263 | Comment | ||
SEINET6755557 | Arnica chamissonis | B. L. Wilson, D. Lytjen, N. Otting | 2005-7-26 | 11450 | Lassen | Northeast part of Round Corral Reservoir, north of Buckhorn Road about a mile and a half west of Pyramid Lake | 1876 | Comment | ||
UC1533139 | Arnica chamissonis | Gary Schoolcraft | 1986-8-19 | 1667 | Lassen | Said Valley Res. | 1630 | Comment | ||
UC584281 | Arnica chamissonis | G. L. Stebbins Jr. and J. A. Jenkins | 1937-7-13 | 2343 | Lassen | Cleghorn Reservoir | 1828 | Comment | ||
JEPS118465 | Arnica chamissonis subsp. foliosa | Lowell Ahart, John Dittes | 2011-6-21 | 17534 | Lassen | About 100 yards southwest of where the levee road crosses Big Valley Canal, in big Valley, about 4 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7 miles (air) northeast of Bieber | 1263 | Comment | ||
CAS-BOT-BC332742 | Arnica chamissonis subsp. foliosa | R. F. Thorne; Larry E. DeBuhr | 1975-8-22 | 46993 | Lassen | Along Hwy 395 ca 5 miles N of Medeline and 5.5 miles S of Modoc county line | 1615 | Comment | ||
UCD159572 | Arnica cordifolia | D. S. Park | 2011-6-27 | 309 | Lassen | East of Westwood. Growing near Willard Creek. | 1700 | Comment | ||
JEPS118456 | Arnica cordifolia var. cordifolia | Lowell Ahart, John Dittes | 2011-6-20 | 17484 | Lassen | Forest floor, about 50 yards east of the stream, about 100 yards north of where the road crosses Hunsinger Draw, 1.9 miles (air) northwest of Moll Reservoir, 2.8 miles (air) west of Ash Valley, 8.4 miles (air) southeast of Adin | 1520 | Comment | ||
CHSC115054 | Arnica fulgens | J. Moeller; S. Puentes | 2008-5-14 | Lassen | DFG OCC #13. Along 33N02 Harvey Valley Road off HW 44, ~5.8 air miles east of Poison Lake. | 1735 | Comment | |||
UC1567375 | Arnica fulgens | G. Schoolcraft | 1989-7-18 | 1977 | Lassen | 1 mi w, (s of Clark Valley Rd, at Buck's Spring_ Clark's Valley; Buck's Spring) | 1859 | Comment | ||
CAS-BOT-BC82712 | Arnica longifolia | James Jokerst | 1983-7-23 | 1870 | Lassen | Grasshopper Valley Quad. Near Madeline Plains | 1614 | Comment | ||
SD113192 | Arnica mollis | Darley F. Howe | 1964-8-2 | 3920 | Lassen | East Creek, Warner Mountains, Modoc National Forest | 2010 | Comment | ||
UC29582 | Arnica sororia | M. S. Baker and Frank Nutting | 1894-7-5 | Lassen | Dixey Mts. | Comment | ||||
UCD129186 | Artemisia arbuscula | B. L. Kay | 1955-4-19 | s.n. | Lassen | 15 miles north of Honey Lake. US Highway 395. | Comment | |||
SEINET2164570 | Artemisia arbuscula subsp. arbuscula | Unknown | 1985-6-23 | 8603 | Lassen | 41 miles north of Susanville on hwy 395 | 1430 | Comment | ||
JEPS103162 | Artemisia biennis | B. Corbin and D. Armentrout | 2002-9-4 | 1100 | Lassen | Biscar Reservoir, near dam on upper pond | 1357 | Comment | ||
UC762616 | Artemisia biennis | R. F. Hoover | 1940-10-10 | 4681 | Lassen | Johnstonville | Comment | |||
UC1567427 | Artemisia douglasiana | G. Schoolcraft | 1989-9-13 | 2007 | Lassen | w of Susanville (along BJ Trail at Hobo Camp.) | 1310 | Comment | ||
CAS-BOT-BC499174 | Artemisia douglasiana | George W. Gillett | 1957-7-29 | 955 | Lassen | Lassen Volcanic National Park. Snag Lake; near the Butte Lake Trail above Snag Lake | 1859 | Comment | ||
CAS-BOT-BC90328 | Artemisia douglasiana | Ynez Whilton Winblad | 1935-9-28 | s.n. | Lassen | Horse Lake | Comment | |||
UC1776711 | Artemisia dracunculus | G. Schoolcraft | 1992-8-11 | 2248 | Lassen | Near inters. of Wingfield and Bass Hill Roads | 1322 | Comment Read comments Aug 12 2019 |
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JEPS124638 | Artemisia lindleyana | Laurie Hooker | 1965-7-13 | 119 | Lassen | On highway 299 west under 2nd bridge of Pit river overflow. | Comment | |||
SEINET7153235 | Artemisia ludoviciana subsp. ludoviciana | G. Schoolcraft | 1999-8-11 | 2878 | Lassen | East edge of Madeline Plains e. of Ravendale. | 1628 | Comment | ||
SEINET263202 | Artemisia nova | J. Lyman | 1994-4-23 | 4241 | Lassen | Along Highway 395, ca. 25 miles north of Susanville on grade up to BLM land | 1433 | Comment | ||
CHSC7634 | Artemisia rothrockii | Beverley J. Wise | 1969-4-13 | 12 | Lassen | 2.9 mi east of the junction of Hwy 395 on Las. Co. Rd.338. | 1463 | Comment | ||
CDA10174 | Artemisia spinescens | Robin Breckenridge | 2007-5-1 | PDR# 1349824 E | Lassen | Wendel. | 0 | Comment | ||
CAS-BOT-BC97326 | Artemisia tridentata subsp. tridentata | Clare B. Hardham | 1971-8-22 | 18395 | Lassen | Diamond Mountain | 2346 | Comment | ||
RSA647532 | Artemisia tridentata subsp. tridentata | Marion P. Harthill | 1972-6-16 | 793 | Lassen | Doyle | Comment | |||
UC1119579 | Artemisia tridentata subsp. tridentata | A. Simontacchi | 1940-9-16 | 949 | Lassen | 1.3 mi ne Ebey Lake; Lassen National Forest, Halls Flat Quadrangle | Comment | |||
POM76156 | Asclepias cordifolia | Marcus E. Jones | 1897-7-2 | s.n. | Lassen | Susanville | 1524 | Comment | ||
UC1523748 | Asclepias cordifolia | Gary Schoolcraft | 1981-6-9 | 448 | Lassen | e McArthur (on n side of Hwy. 299) | 1280 | Comment | ||
UC1136827 | Asclepias speciosa | George A. Fisher, Irwin H. Johnson | 1933-7-29 | F | Lassen | Stringer Lassen National Forest | 1694 | Comment | ||
CHSC66718 | Aster elatus | Vernon H. Oswald; Lowell Ahart | 1996-8-1 | 8120 B | Lassen | Forest Rd. 28N56 (D-Line) ca. 2 mi N of Dyer Mtn. Lookout, SSW of Westwood. | 1737 | Comment | ||
CHSC12949 | Astragalus | K. R. Stern; D. B. Joley, J. G. Geschke | 1974-6-22 | 5811 | Lassen | Ca. 16.5 mi w of Madeline, on Madeline-Adin Road. | 1548 | Comment | ||
POM204051 | Astragalus accidens var. hendersonii | J. T. Howell | 1934-6-10 | 11875 | Lassen | Janesville | Comment | |||
POM45145 | Astragalus accidens var. hendersonii | Marcus E. Jones | 1897-6-19 | s.n. | Lassen | Chat. | 1524 | Comment | ||
JEPS107690 | Astragalus andersonii | Lowell Ahart, John Dittes | 2005-6-1 | 11917 | Lassen | Long Valley, along the east side of a poor road, about 4 1/2 (air) miles north of the intersection of Scott Road and Highway 70, 6.0 miles (air) northwest of Hallelujah Junction | 1425 | Comment | ||
NY791375 | Astragalus andersonii | W. W. Eggleston | 1911-5-29 | 6730 | Lassen | Vicinity of Doyle Station | 1290 | Comment | ||
HSC61704 | Astragalus anxius | Thomas W. Nelson, Jane P. Nelson | 1980-7-6 | 5988 | Lassen | In Ash Valley along Adin-Madeline Rd. 16 mi. E of Adin. | Comment | |||
CAS-BOT-BC177444 | Astragalus argophyllus var. argophyllus | Arnold Tiehm; Gary Schoolcraft; Margaret Williams | 1986-5-12 | 10347 | Lassen | 1 road mile west of the state line on the dirt road from highway 395 to Smoke Creek, south side of Rush Creek | 1341 | Comment | ||
CAS-BOT-BC178764 | Astragalus canadensis var. brevidens | G. Schoolcraft | 1989-6-19 | 1920 | Lassen | Along north shore of Eagle Lake | 1554 | Comment | ||
NY797390 | Astragalus canadensis var. brevidens | G. Schoolcraft | 1988-7-7 | 1821 | Lassen | Madeline Plains north of Observation Peak and Horne Ranch Road | 1645.9 | Comment | ||
UC1553369 | Astragalus canadensis var. brevidens | Gary Schoolcraft | 1988-7-7 | 1821 | Lassen | Madeline Plains n of Observation Peak and Horne Ranch Rd.; Madeline Plains n of Observation Peak | 1645 | Comment | ||
CHSC118474 | Astragalus canadensis var. brevidens | Don Lepley | 2016-9-17 | 6 /28/2015 | Lassen | Eagle Lake Ranger District. Southwest corner of Eagle Lake, roughly a half-mile northeast of entrance of Christie Campground, near end of rough road past Eagle Lake Resort. UTM 683577 x 4493277 | 1559 | Comment | ||
NY797389 | Astragalus canadensis var. brevidens | J. T. Howell | 1977-8-11 | 52718 | Lassen | East of Beckwourth Pass, near Hallelujah Junction | 1554.5 | Comment | ||
UCD33606 | Astragalus curvicarpus | Beecher Crampton | 1970-6-26 | 8639 | Lassen | Lassen County, 10 miles north of Milford. | Comment | |||
RSA111039 | Astragalus curvicarpus | R. C. Barneby | 1949-6-11 | 11 | Lassen | Secret Valley, 18 miles S of R(illegible) | Comment | |||
CAS-BOT-BC177843 | Astragalus curvicarpus var. curvicarpus | G. Schoolcraft | 1993-6-10 | 2286 | Lassen | Along US Highway 395 near road to Clark Ranch | 1280 | Comment | ||
CHSC7676 | Astragalus curvicarpus var. curvicarpus | Beverly J. Wise | 1969-5-18 | 53 | Lassen | 7.7 mi. East of Susanville on the south side of Las. Co. Rd. 215. | 1341 | Comment | ||
SEINET7103940 | Astragalus curvicarpus var. curvicarpus | D. W. McNeal | 1983-6-5 | 2839 | Lassen | Hwy #395, 9.2 mi N of the Plumas Co. line.; 0 | Comment | |||
CAS-BOT-BC182954 | Astragalus filipes | Peter H. Raven; Otto T. Solbrig | 1958-6-17 | 13290 | Lassen | Along United States Highway 395, 0.4 miles south of Ravendale | Comment | |||
CHSC37683 | Astragalus filipes | M. S. Taylor | 1982-5-29 | 4569 | Lassen | Along dirt road paralleling Hwy 395 on its e side, ca. 1/2 mi n of 395 jct with Scott Rd, ca. 20 mi n of Reno. | 1524 | Comment | ||
CHSC48503 | Astragalus filipes | Vernon Oswald | 1986-5-28 | 2062 | Lassen | Hwy 139 between Eagle Lake and Adin, 47.2 mi n of Susanville. | 1706 | Comment | ||
NY658510 | Astragalus filipes | M. J. Williams | 1983-7-31 | 83- 125 --1 | Lassen | Ash Valley road, 17 miles from Aden | 1828.8 | Comment | ||
CHSC77209 | Astragalus geyeri var. geyeri | G. Schoolcraft | 1997-6-3 | 2593 | Lassen | Flats n. of Fort Sage Mtns. | 1219 | Comment | ||
CAS-BOT-BC186853 | Astragalus gibbsii | Marcus E. Jones | 1897-6-26 | s.n. | Lassen | Susanville. Perkin's Ranch | 1463 | Comment | ||
CAS-BOT-BC186858 | Astragalus gibbsii | Louella Bass | 1973-6-3 | 96 | Lassen | Elysian Valley | 1325 | Comment | ||
CAS-BOT-BC186864 | Astragalus gibbsii | Doris Kildale Gillespie | 1930-5-12 | 9348 | Lassen | Between Susanville and Leavitt Lake | Comment | |||
NY674271 | Astragalus gibbsii | P. A. Munz | 1947-5-20 | 11889 | Lassen | Milford | 1265 | Comment | ||
CAS-BOT-BC186866 | Astragalus gibbsii | H. D. Ripley; R. C. Barneby | 1944-5-29 | 5951 | Lassen | Constantin | 1371 | Comment | ||
POM24782 | Astragalus gibbsii | Marcus E. Jones | 1897-6-30 | s.n. | Lassen | Susanville, 6 miles below Eagle Lake. | Comment | |||
RSA38462 | Astragalus gibbsii | P. A. Munz | 1947-5-20 | 11889 | Lassen | Milford | 1265 | Comment | ||
POM23660 | Astragalus iodanthus | Jos. Burtt Davy | s.n. | Lassen | Amadee | Comment | ||||
CAS-BOT-BC186942 | Astragalus iodanthus | Marcus E. Jones | 1897-6-24 | s.n. | Lassen | 10 to 15 miles west of Amedee | 1219 | Comment | ||
CAS-BOT-BC229046 | Astragalus lemmonii | Marcus E. Jones | 1897-6-19 | s.n. | Lassen | Chat | 1615 | Comment | ||
CAS-BOT-BC229049 | Astragalus lemmonii | Marcus E. Jones | 1897-6-19 | s.n. | Lassen | Chat | 1524 | Comment | ||
CAS-BOT-BC229050 | Astragalus lemmonii | Marcus E. Jones | 1897-6-19 | s.n. | Lassen | Chat | 1524 | Comment | ||
CHSC115597 | Astragalus lemmonii | Lowell Ahart; John Dittes | 2015-7-14 | 20336 | Lassen | On the west side of the road, about 100 yards southwest of where the levee road crosses Big Valley Canal, in Big Valley, about 4 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7 miles (air) northeast of Bieber. | 1267 | Comment | ||
POM45395 | Astragalus lemmonii | Marcus E. Jones | 1897-6-19 | s.n. | Lassen | Chat. | 1524 | Comment | ||
RSA0035824 | Astragalus lemmonii | Lowell A. Ahart, John Dittes | 2008-6-20 | 14968 | Lassen | About 10 yards west of where the levee road crosses Big Valley Canal, in Big Valley, about 4 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7 miles (air) northeast of Bieber. | 1263 | Comment | ||
RSA0074201 | Astragalus lemmonii | L. T. Stephenson | 1897-09 | 6448 | Lassen | Chat, Sierra Valley | Comment | |||
UCD35735 | Astragalus lentiginosus | Beecher Crampton | 1960-6-20 | 5738 | Lassen | Harvey Valley, 6 miles north of Bogard Ranger Station. | 1676 | Comment | ||
CHSC5280 | Astragalus lentiginosus var. lentiginosus | 1926-6-1 | Lassen | Buck's Point, Eagle Lake. | 1615 | Comment | ||||
RSA754376 | Astragalus lentiginosus var. lentiginosus | Brian Knaus | 2005-6-14 | 136 | Lassen | W of Susanville, at junction of hihways 26 and 44. | 1502 | Comment | ||
CHSC7667 | Astragalus lentiginosus var. platyphyllidius | Beverley J. Wise | 1969-5-4 | 56 | Lassen | 1.7 mi. west on Shaeffer Mtn Lookout Rd off Hwy 395 (approx. 1 mi. south of Las Co. Rd. 338). | 1676 | Comment | ||
CHSC99122 | Astragalus lentiginosus var. salinus | Lowell Ahart; John Dittes | 2008-6-19 | 14889 | Lassen | Open hillside, about 100 yards east of Willow Creek, about 120 yards northeast of Highway 139, near Forest Road 36N02, about 19.6 miles east-southeast of Bieber. | 1578 | Comment | ||
CHSC71083 | Astragalus malacus | Vernon H. Oswald; Lowell Ahart | 1998-5-22 | 9104 | Lassen | Road to ORV parking area in Fort Sage Mtns. 0.5 mi east of Fort Sage Rd., ca. 5 mi NNE of Doyle. | 1371 | Comment | ||
RSA0006819 | Astragalus malacus | H. D. Ripley, R. C. Barneby | 1944-5-30 | 5974 | Lassen | South of Ravendale. | 1677 | Comment | ||
UC13459 | Astragalus obscurus | M. S. Baker and Frank Nutting | 1894-7-2 | Lassen | Dixey Mts. | Comment | ||||
JEPS87063 | Astragalus pulsiferae | Dean Wm. Taylor with Glenn Clifton | 1990-6-12 | 10877 | Lassen | ca 0.5 mi before the Modoc County Line (road from Adin to Ash Valley (Forest Road 88)); Modoc Plateau, road from Adin to Ash Valley | 1554 | Comment Read comments Jan 31 2015 |
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SEINET948657 | Astragalus pulsiferae | John Thomas Howell | 1955-1 | 30818 | Lassen | East side of Beckwourth Pass. Sierra Nevada | 1494 | Comment | ||
UC1128861 | Astragalus pulsiferae | E. Sawyer | 1935-6-27 | 237 | Lassen | Long Valley Sierraville Quad., Long Valley | Comment | |||
CAS-BOT-BC192840 | Astragalus pulsiferae | H. D. Ripley; R. C. Barneby | 1943-6-17 | 5799 | Lassen | East side of Beckwourth Pass, S. Lassen Co. | Comment | |||
JEPS109744 | Astragalus pulsiferae var. coronensis | Dean W. Taylor | 2005-6-29 | 19379 | Lassen | Piute Creek, 3 mi W from western edge Susanville | 1310 | Comment | ||
NY621934 | Astragalus pulsiferae var. coronensis | S. L. Welsh | 2001-6-14 | 28158 | Lassen | E of Hwy. 395, road to Rams Horn Spring campground | 1539.2 | Comment | ||
NY694121 | Astragalus pulsiferae var. coronensis | S. L. Welsh | 2001-6-14 | 28150 | Lassen | East of Highway 395, road to Rams Horn Spring campground | 1540 | Comment | ||
RSA201487 | Astragalus pulsiferae var. pulsiferae | J. T. Howell | 1955-7-19 | 30818 | Lassen | East side of Beckwourth Pass | 1493 | Comment | ||
RSA0006849 | Astragalus pulsiferae var. pulsiferae | H. D. Ripley, R. C. Barneby | 1944-5-30 | 5967 | Lassen | North of Secret Valley. | 1616 | Comment | ||
HSC36246 | Astragalus purshii | John Rehling | 1975-5-15 | 78 | Lassen | Along Hwy. 395 just before the turnoff to Janesville | Comment | |||
CAS-BOT-BC194094 | Astragalus purshii var. purshii | Clare B. Hardham | 7446 | Lassen | Diamond Peak | 2286 | Comment | |||
CAS-BOT-BC194099 | Astragalus purshii var. purshii | John Thomas Howell | 1934-6-10 | 11876 | Lassen | Janesville | Comment | |||
CAS-BOT-BC194096 | Astragalus purshii var. purshii | Alice Eastwood; John Thomas Howell | 1940-6-16 | 8345 | Lassen | Jonesville | Comment | |||
CHSC68747 | Astragalus purshii var. tinctus | Vernon H. Oswald; Lowell Ahart | 1997-5-27 | 8517 | Lassen | Williams Reservoir on Forest Route 38N04 (between Hwy. 139 near Willow Creek Guard Station and Coyote Flat) 2.6 mi northeast of Hwy. 139. | 1682 | Comment | ||
JEPS114761 | Astragalus purshii var. tinctus | Lowell Ahart, John Dittes | 2008-6-19 | 14888 | Lassen | Open hillside, about 100 yards east of Willow Creek, about 120 yards northeast of Highway 139, near Forest Road 36N02, about 19.6 miles east-southeast of Bieber | 1578 | Comment | ||
NY694434 | Astragalus purshii var. tinctus | W. W. Eggleston | 1911-5-29 | 6711 | Lassen | Vicinity of Doyle Station | Comment | |||
UC1136766 | Astragalus purshii var. tinctus | George A. Fischer and Irwin H. Johnson | 1933-7-14 | F- 249 | Lassen | Lassen Forest | 1767 | Comment | ||
UC13456 | Astragalus purshii var. tinctus | L. T. Stephenson | Sept., 1897 | Lassen | Chat | Comment | ||||
RSA339987 | Astragalus whitneyi | Noel Holmgren | 1980-7-4 | 9514 | Lassen | Observation Peak, south side of mountain, 18 km (11 mi) airline distance east of Ravendale. | 2195 | Comment | ||
UC1128897 | Astragalus whitneyi | A. Simontacchi | 1940-6-6 | 824 | Lassen | 9.3 mi se Nigger Cabin; Lassen National Forest, Halls Flat Quad. | Comment | |||
CAS-BOT-BC200869 | Astragalus whitneyi var. confusus | D. B. Dunn; B. J. Cox | 1971-6-2 | 17770 | Lassen | Approx. 12 mi. S. of Adin on Calif. Hwy. 139 | 1371 | Comment | ||
JEPS103211 | Astragalus whitneyi var. confusus | G. Schoolcraft | 1985-5-22 | 1396 | Lassen | Along A2 about 5 miles south of Adin, CA. | 1341 | Comment | ||
JEPS108557 | Astragalus whitneyi var. siskiyouensis | L. P. Janeway | 2005-7-4 | 8469 | Lassen | High Cascade Range. Ridge top north above Long Valley; 0.4 km west of Road 34N41 | 1752 | Comment | ||
NY701850 | Astragalus whitneyi var. siskiyouensis | B. J. Ertter | 1987-6-16 | 7183 | Lassen | Skeedaddle Mountains on northeast side of Honey Lake, open rhyolitic ridge west of Hot Springs VABM | 2134 | Comment | ||
CAS-BOT-BC198724 | Astragalus whitneyi var. whitneyi | G. Schoolcraft | 1989-6-19 | 1915 | Lassen | Ash Valley RNA/ACEC | 1554 | Comment | ||
CHSC29871 | Astragalus whitneyi var. whitneyi | Robin L. Ondricek | 1978-7-22 | 106 | Lassen | One mi s of Colley Point Overlook on Hwy 139. | 1670 | Comment | ||
CHSC71080 | Athysanus pusillus | Vernon H. Oswald; Lowell Ahart | 1998-5-22 | 9130 | Lassen | Road to summit of Fort Sage Mtns. 2.7 mi east of Fort Sage Rd., ca. 5 mi NE of Doyle. Along a streamlet. | 1463 | Comment | ||
OBI75877 | Athysanus pusillus | Anthony Baniaga | 2011-6-29 | 399 | Lassen | Lassen Natl Forest. Fredonyer Pass, S of Willard ck. Fredonyer Pass quad T29N R10E sec 14 NW of SE | 1500 | Comment | ||
CHSC109992 | Atriplex canescens var. canescens | L. P. Janeway; B. Castro | 2012-7-2 | 10920 A | Lassen | Modoc Plateau. Honey Lake Valley, northeast side of Honey Lake, 1.5 km north of Wendel, 0.8 km east of the road to Wendel. | 1241 | Comment | ||
JEPS120466 | Atriplex canescens var. canescens | L. P. Janeway, B. Castro | 2012-7-2 | 10920 A | Lassen | Modoc Plateau. Honey Lake Valley, northeast side of Honey Lake, 1.5 km north of Wendel, 0.8 km east of the road to Wendel. | Comment | |||
CDA23253 | Atriplex confertifolia | Robin Breckenridge | 2007-5-1 | PDR# 1349824 B | Lassen | Wendel. | 0 | Comment | ||
JEPS29746 | Atriplex confertifolia | Rimo Bacigalupi and L. R. Heckard | 1962-5-28 | 8501 | Lassen | along road from U.S. 395 past Wendel and Flanagan to Pyramid Lake, Nevada, 2 mi e Wendel junction (n of Honey Lake); , e of Wendel junction | 1219 | Comment | ||
UC1537376 | Atriplex confertifolia | Gordon H. True Jr. | 1936-6-24 | 520 | Lassen | n shore Honey Lake (Honey Lake Valley); n shore Honey Lake, Honey Lake Valley | 1219 | Comment | ||
UC527347 | Atriplex confertifolia | C. B. Wolf | 1931-9-5 | 2402 | Lassen | on road to Doyle 1/2 mi from Amedee R.R. station (Honey Lake Valley); , 1/2 mi from Amedee R.R. station | Comment | |||
NY541161 | Atriplex covillei | H. M. Hall | 11683 | Lassen | 26 miles north of Reno (on road to Doyle) | Comment | ||||
UC1567451 | Atriplex gardneri var. falcata | G. Schoolcraft | 1989-5-16 | 1877 | Lassen | Secret Valley w Hwy 395; Secret Valley | 1347 | Comment | ||
UC768839 | Atriplex gardneri var. falcata | R. F. Hoover | 1940-10-5 | 4677 | Lassen | alkali plain s Secret Valley; s of Secret Valley | Comment | |||
UCD97420 | Atriplex hortensis | E. K. Balls; P. C. Everett | 1952-10-10 | 18138 | Lassen | 1.7 miles NE of Standish, Hwy. 395 between Susanville and Alturas. | 1249 | Comment | ||
CHSC76273 | Atriplex rosea | Lowell Ahart; Vernon H. Oswald | 1999-9-13 | 8203 | Lassen | On the east side of the dirt road and 1/2 mile south of the sign in station, Honey Lake Wildlife Area, 4 1/2 miles (air) southeast of Standish. | 1207 | Comment | ||
UC1037136 | Avena fatua | Leo Whitney | 1935-5-27 | 3121 | Lassen | Bieber | Comment | |||
RSA122664B | Avena sativa | A. Simontacchi | 1940-6-13 | 854 | Lassen | 3.4 miles W.S.W. of Patterson Mtn.; Halls Flat | 1738 | Comment | ||
CAS-BOT-BC106487 | Balsamorhiza hookeri | Betty J. Hammerly | 1941-6-21 | 51 | Lassen | 8 miles SE of Likely on Blue Lake Road | Comment | |||
CAS-BOT-BC106491 | Balsamorhiza hookeri | Louella Bass | 1973-6-15 | 113 | Lassen | Elysian Valley - Sierra Nevada | Comment | |||
UC579779 | Balsamorhiza hookeri | David D. Keck and J. Clausen | 1935-6-24 | 3747 | Lassen | 2 mi s of Ravendale | 1464 | Comment | ||
CAS-BOT-BC106493 | Balsamorhiza hookeri | Rhonda Riggins | 1989-4-27 | 1635 | Lassen | Wash through volcanic boulder pavement, US 395, 8.4 mi N. Litchfield, 26.6 mi S Ravendale | 1310 | Comment | ||
JEPS103175 | Balsamorhiza hookeri | G. Schoolcraft | 2000-4-26 | 2891 | Lassen | 1.8 miles W of Highway 395 on Shaffer Mountain Road | 1554 | Comment | ||
CHSC114353 | Balsamorhiza sagittata | B. Villegas | 2011-5-20 | Lassen | Susanville. | Comment | ||||
HSC26615 | Barbarea orthoceras | D. H. Norris, Thomas W. Nelson, S. Dowty | 1971-6-22 | 19151 | Lassen | 3 mi. N of Westwood | Comment | |||
JEPS114368 | Barbarea orthoceras | Lowell Ahart, John Dittes | 2008-6-20 | 14949 | Lassen | In meadow, about 300 yards southwest of where the levee road crosses Big Valley Canal, in Big Valley, about 4 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7 miles (air) northeast of Bieber | 1263 | Comment | ||
NY119709 | Barbarea orthoceras | R. C. Rollins | 1981-5-30 | 81165 | Lassen | Gold Run Road toward Sky Line Drive, 10 miles S of Susanville | Comment | |||
NY119710 | Barbarea orthoceras | N. H. Holmgren | 1978-6-11 | 8919 | Lassen | Vicinity of spring at fork to Painters Flat on E side of Observation Peak, 28 km (17.4 mi.) E of Ravendale and 22.5 km (14 mi.) airline distance | 1680 | Comment | ||
SEINET10479070 | Bassia hyssopifolia | Mary Susan Taylor | 1974-7-8 | Taylor 263 | Lassen | Ca. 1 mi N of Honey Lake, ca. 1 mi S of Standish, Honey Lake Wildlife Refuge. | Comment | |||
CDA31539 | Beckmannia syzigachne | T. C. Fuller | 1963-6-1 | 10625 a | Lassen | 3.2 mi south of Pittville on east side of road to Susanville. | 0 | Comment | ||
HSC9041 | Beckmannia syzigachne | Fred Kindel | 1955-6-24 | Lassen | Mt.Meadows Reservoir | Comment | ||||
JEPS114766 | Beckmannia syzigachne | Lowell Ahart, John Dittes | 2008-6-20 | 14946 | Lassen | In swales, about 300 yards southwest of where the levee road crosses Big Valley Canal, in Big Valley, about 4 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7 miles (air) northeast of Bieber | 1263 | Comment | ||
JEPS127216 | Beckmannia syzigachne | Lowell Ahart, John Dittes | 2016-7-15 | 21216 | Lassen | Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. | Comment | |||
SEINET10661222 | Beckmannia syzigachne | Lowell Ahart, John Dittes | 2008-6-20 | Ahart 14946 | Lassen | T39N, R8E, northeast 1/4 Section 34. About 300 yards southwest of where the levee road crosses Big Valley Canal, in Big Valley, about 4 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7 miles (air) northeast of Bieber. | 1263 | Comment | ||
SJSU4353 | Beckmannia syzigachne | J. W. Tilden | 1960-6-27 | 1526 | Lassen | 5 mi E of Westwood on Moonlight Rd | 1524 | Comment | ||
UC37450 | Beckmannia syzigachne | J. Burtt Davy | Jun 17 1897-Jun 24 1897 | 3315 | Lassen | Honey Lake Valley | Comment | |||
RSA713604 | Berteroa incana | A. Tiehm | 2005-7-14 | 15023 | Lassen | Long Valley. Anderson (Saralegui) Ranch. 2.2 road miles W of highway 395 on Highway 70, then 5.5 road miles N on Scott Road. | 1494 | Comment | ||
SEINET11193808 | Berteroa incana | W. Harnach | 2006-5-31 | 1229 | Lassen | Long Valley, Anderson Ranch, Scott Road, ca 5.5 miles N of Hwy 70. | 1457 | Comment | ||
CHSC29912 | Bidens cernua | Robin L. Ondricek | 1978-8-26 | 125 | Lassen | Below dam at Murrers Upper Meadow. | 1548 | Comment | ||
CAS-BOT-BC127957 | Blepharipappus scaber | David D. Keck; J. Clausen | 1935-6-24 | 3733 | Lassen | 2 mi. S. of Ravendale | 1463 | Comment | ||
CHSC4444 | Blepharipappus scaber | K. R. Stern | 1967-7-1 | 2444 | Lassen | Murrer Meadow Road, ca. 2.5 mi SE of Eagle Lake Biology Station. | 1554 | Comment | ||
SBBG22255 | Blepharipappus scaber | C. B. Hardham | 1961-6-16 | 7451 | Lassen | Gold Run Crk, S of Susanville | Comment | |||
SEINET11261378 | Blepharipappus scaber | Stanley L. Welsh, N. Duane Atwood | 2001-6-14 | 28156 | Lassen | E of Hwy 395, rd to Rams Horn Spring campground.; 0 | 1539 | Comment | ||
SJSU4600 | Blepharipappus scaber | J. W. Tilden | 1958-6-27 | 1287 | Lassen | Madeline | Comment | |||
UC577280 | Blepharipappus scaber | David D. Keck and J. Clausen | 1935-6-24 | 3733 | Lassen | 2 mi s of Ravendale | 1463 | Comment | ||
UC577298 | Blepharipappus scaber | David D. Keck and J. Clausen | 1935-6-24 | 3725 | Lassen | 5 mi s of (in Modoc Co.) Likely | 1402 | Comment | ||
UCD129601 | Blepharipappus scaber | Bob Powell; Vic Claussen | 1986-7-17 | 3274 | Lassen | 6 air miles south - southwest of Nubieber, within 100 feet of gate across main north-south trending road. | 1402 | Comment | ||
CAS-BOT-BC14092 | Boechera pauciflora | John Thomas Howell; Gordon H. True; Wayne Dakan | 1974-7-30 | 50687 | Lassen | Sierra Nevada. South and southeast of Diamond Mountain. | 2286 | Comment | ||
CHSC107999 | Boechera pinetorum | Lowell Ahart; John Dittes | 2011-6-20 | 17505 | Lassen | About 40 yards north of the dirt road, about 100 yards northeast of where the road crosses Hunsinger Draw, 1.9 miles (air) northwest of Moll Reservoir, 2.8 miles (air) west of Ash Valley, 8.4 miles (air) southeast of Adin. | 1520 | Comment | ||
UC10162 | Boechera platysperma | M. S. Baker and Frank Nutting | 1894-7-30 | Lassen | Silver Lake | Comment | ||||
CAS-BOT-BC14718 | Boechera repanda | Clare B. Hardham | 1969-8-28 | 17444 | Lassen | West of Janesville. | Comment | |||
CAS-BOT-BC25508 | Boechera retrofracta | Reed Clark Rollins; Kathryn W. Rollins | 1981-5-31 | 81176 | Lassen | Just north of Eagle Lake. | Comment | |||
JEPS107792 | Boechera retrofracta | Lowell Ahart, John Dittes | 2005-6-2 | 11926 | Lassen | About 1/4 mile west of the Anderson Ranch home, Long Valley, about 4 3/4 miles (air) north of the intersection of Scott Road and Highway 70, 6.5 miles (air) northwest of Hallelujah Junction | 1498 | Comment | ||
JEPS53086 | Boechera retrofracta | M. S. Baker and Frank Nutting | 1894-7-5 | Lassen | mts s Dixie Valley | Comment | ||||
JEPS84940 | Boechera retrofracta | Barbara Ertter with Gary Schoolcraft | 1987-7-16 | 7174 | Lassen | n.e. side Honey Lake (e. of road over saddle on w. side of Skeedaddle Mountains); Skeedaddle Mountains | 1645 | Comment | ||
SEINET3165698 | Boechera retrofracta | R. W. Spellenberg | 2006-6-19 | 13743 | Lassen | along a USFS access road 2 km E of Calif. Hwy 139, the junction of road and highway 31 km SE of Modoc Co. line (just S of Adin) | 1715 | Comment | ||
UC1143032 | Boechera retrofracta | L. R. Short | 1936-6-1 | S- 354 | Lassen | Burgess Spring Experimental Range Lassen National Forest | 1859 | Comment | ||
CAS-BOT-BC25511 | Boechera retrofracta | Clarence Roy Quick | 1961-6-21 | 61 -24 | Lassen | Black Mountain Experimental Forest northeast of Lassen Peak. Forest adjacent to Road 21. | 1798 | Comment | ||
CHSC40528 | Boechera sparsiflora | J. D. Jokerst | 1983-5-30 | 1797 | Lassen | West of Ash Valley along the SW side of the road to Knox Mt ca 1 mile north of its junction with the road that connects Aden and Madeline. | Comment | |||
CHSC71125 | Boechera sparsiflora | Vernon H. Oswald; Lowell Ahart | 1998-5-22 | 9131 | Lassen | Near the summit of the dirt road in the Fort Sage Mtns. 3.5 mi east of Fort Sage Rd., ca. 6 mi NE of Doyle. | 1737 | Comment | ||
CAS-BOT-BC25677 | Boechera sparsiflora | H. D. Ripley; R. C. Barneby | 1944-3-29 | 5948 | Lassen | South of Constantia. | 1447 | Comment | ||
CAS-BOT-BC25900 | Boechera suffrutescens | John Thomas Howell | 1934-7-10 | 12537 | Lassen | Between Harvey Valley and Patterson Flats. | Comment | |||
UC2118 | Bolboschoenus fluviatilis | J. Burtt Davy | Jun 17 1897-Jun 24 1897 | 3313 | Lassen | Byers' Ranch Honey Lake Valley, Byers' Ranch | Comment | |||
HSC103654 | Brickellia californica | Thomas W. Nelson, Jane Nelson | 1985-8-10 | 8021 | Lassen | Along west side of Silver Lake. | 1829 | Comment | ||
UC60846 | Bromus | M. S. Baker and Frank Nutting | 1894-7-3 | Lassen | Dixie Mountains | Comment | ||||
CHSC63436 | Bromus briziformis | Vernon H. Oswald; Beth Corbin, Michael Dolan | 1994-6-18 | 6308 | Lassen | Blue Door Flat on Clarks Valley Rd. (Lassen 510) ca. 7 mi E of Madeline. | 1767 | Comment | ||
SEINET3921581 | Bromus briziformis | Noel H. Holmgren, Patricia K. Holmgren | 1980-7-3 | 9489 | Lassen | Rye Patch Canyon Road, 3.4 km (2.1 mi) east of U.S. Highway 395, 14.5 km (9 mi) airline distance southeast of Ravendale.; 0 | 1700 | Comment | ||
UC1130972 | Bromus carinatus var. carinatus | H. P. Hagge | 1929-8-12 | 29 | Lassen | Logan Mountain | 1828 | Comment | ||
UC1143035 | Bromus carinatus var. carinatus | L. R. Short and J. Warren | 1936-6-29 | S 460 | Lassen | Lassen National Forest, Burgess Spring Experimental Range Burgess Spring Experimental Range; Lassen National Forest, Burgess Spring Experimental Range | 1820 | Comment | ||
UCD59099 | Bromus carinatus var. marginatus | R. Tofsrud | 1947-7-1 | 224 | Lassen | Between Ravendale and Thermo. | Comment | |||
UCD58467 | Bromus commutatus | Beecher Crampton | 1954-7-5 | 2056 | Lassen | Along Hwy. 36. 4.5 miles west of Susanville. | Comment | |||
JEPS97404 | Bromus japonicus | Vernon H. Oswald and L. Ahart | 1995-6-19 | 6874 | Lassen | T30N R15E center Sect. 22, 4540 ft, Modoc Plateau, Sagebrush Scrub. Between Litchfield and Ravendale on Smoke Creek Ranch Rd., 0.3 mi e of Hwy. 395 | 1383 | Comment | ||
OBI82789 | Bromus japonicus | Robert L. Johnson, Mikel R. Stevens | 2015-7-10 | 3923 | Lassen | 1.9 rd miles west of jct with Hwy 395 on Dawn Dr on E side of Shaffer Mountain. Ca 18 air mi ene of downtown Susanville.; 0 | 1545 | Comment | ||
UC1024947 | Bromus madritensis subsp. rubens | Leo Whitney | 1935-6-21 | 3322 | Lassen | 13 mi w of n end of Eagle Lake (Squaw Valley); Squaw Valley | Comment | |||
UC506916 | Bromus orcuttianus | George A. Fischer, Irwin H. Johnson | 1933-7-14 | F 261 | Lassen | Lassen National Forest | 1783 | Comment | ||
CAS-BOT-BC162017 | Bromus racemosus | Louella Bass | 1973-5-29 | EV 66 | Lassen | Elysian Valley. | 1325 | Comment | ||
CAS-BOT-BC161415 | Bromus tectorum | Ira L. Wiggins; Dorothy B. Wiggins | 1961-6-11 | 16341 | Lassen | 13.5 miles east of Susanville. | Comment | |||
CHSC12421 | Bromus tectorum | Anne Linda Brisk | 1969-6-19 | 4 | Lassen | 1/4 mi NE of ELBS. | 1554 | Comment | ||
HSC9348 | Bromus tectorum | C. S. Chavez | 1965-5-1 | 60 | Lassen | 20 mi. N of Susanville on Hwy. 395. | 1220 | Comment | ||
UC604684 | Bromus tectorum | Farris Farris | 1935-6-15 | Lassen | Susanville | 1310 | Comment | |||
SEINET10515057 | Bromus tectorum | Billy Joe Cox, David B. Dunn | 1971-6-2 | Cox 3117 | Lassen | 6 mi n of hallelujah jct on us hwy 395, in artemisia tridentata, pinyon pine, Jeffery pine along high ridge and in sandy wash. | 1402 | Comment | ||
SEINET4564906 | Bromus tectorum | F. B. Headley | 1915-5-28 | s.n. | Lassen | Honeylake | Comment | |||
SEINET4564915 | Bromus tectorum | H. Durio | 1979-5-23 | 4221 | Lassen | Meyers Ranch, Adin | Comment | |||
RSA0000410 | Calamagrostis micrantha var. sierrae | Marcus E. Jones | 1897-6-30 | s.n. | Lassen | Susanville, 4 miles below Eagle Lake. | 1524 | Comment | ||
POM312337 | Callitriche verna | Verne Grant, H. L. Mason | 1947-7-9 | 13294 | Lassen | 5 miles E of Bieber. | Comment | |||
CAS-BOT-BC80347 | Calocedrus decurrens | Ralph K. Gierisch | 1968-7-12 | 3357 | Lassen | Lassen Forest, Hwy 36 1 mile east of Fredonyer Pass | 1706 | Comment | ||
CHSC6217 | Calocedrus decurrens | P. Balch | 1955-7-18 | Lassen | Willow Creek, Eagle Lake. | 1463 | Comment | |||
UCD132943 | Calocedrus decurrens | T. E. Weier; Katrina Weier | 1946-9-1 | s.n. | Lassen | Lassen National Park. | Comment | |||
UC119888 | Calochortus bruneaunis | T. S. Brandegee | 1892-6-24 | Lassen | Honey Lake | Comment | ||||
HSC15427 | Calochortus coeruleus | H. E. Parks, S. T. Parks | Jun 1928 | 9253 | Lassen | Lake Almanor | Comment | |||
UC1523812 | Calochortus leichtlinii | Gary Schoolcraft | 1983-7-19 | 1096 | Lassen | s slope Fredonyer Peak | 2255 | Comment | ||
CAS-BOT-BC487963 | Calochortus leichtlinii | T. S. Brandegee | 1892-7-2 | s.n. | Lassen | Susanville | Comment | |||
CAS-BOT-BC487968 | Calochortus leichtlinii | Marcus E. A M Jones | 1897-7-8 | s.n. | Lassen | Lassen's Peak | 1828 | Comment | ||
JEPS124668 | Calochortus leichtlinii | Laurel Loeblich | 1964-6-30 | 59 | Lassen | Highway 139 8.7 miles north of Susanville. | Comment | |||
CHSC27653 | Calochortus macrocarpus | Cindy Prouty | 1978-7-26 | 9 | Lassen | Lower Dry L.; SE of Eagle L. | 1645 | Comment | ||
JEPS88237 | Calystegia occidentalis subsp. occidentalis | Vernon H. Oswald and Lowell Ahart | 1996-6-17 | 7811 | Lassen | Bizz Johnson Trail accessed at Devils Corral Trailhead located off of Highway 36 ca. 7 mi W of Susanville. Modoc Plateau. | 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 | ||
UC726042 | Camassia quamash subsp. breviflora | A. A. Heller | 1938-6-4 | 15140 | Lassen | 2 mi e of Westwood | 1493 | Comment | ||
CAS-BOT-BC497556 | Camassia quamash subsp. breviflora | Ellsworth Bethel | 1923-5-24 | s.n. | Lassen | 12 miles from Poison Lake | Comment | |||
POM253049 | Camassia quamash subsp. breviflora | A. A. Heller | 1938-6-4 | 15140 | Lassen | 2 miles south of Westwood | 1524 | Comment | ||
JEPS109919 | Camelina microcarpa | D. W. Taylor | 2007-6-14 | 20130 | Lassen | S end of Grasshopper Valley County Road 512 1 mile W of junction with Hwy 139. | Comment | |||
POM38357 | Camissonia andina | Marcus E. Jones | 1897-6-19 | s.n. | Lassen | Chat. | 1616 | Comment | ||
HSC69078 | Camissonia boothii subsp. alyssoides | Gary Schoolcraft | 1980-5-16 | 234 | Lassen | N of Kiln on Wendel Hwy. | 1280 | Comment | ||
HSC69590 | Camissonia claviformis subsp. cruciformis | Gary Schoolcraft | 1980-5-16 | 235 | Lassen | Behind kiln oven on Wendel Hwy. | 1280 | Comment | ||
UC180090 | Camissonia contorta | Milo S. Baker | 1890-1 | Lassen | Milford | Comment | ||||
NY851778 | Camissonia pubens | W. W. Eggleston | 1911-5-29 | 6741 | Lassen | Vicinity of Doyle Station | 1290 | Comment | ||
NY852083 | Camissonia tanacetifolia | G. Schoolcraft | 1997-7-2 | 2607 | Lassen | On Mud Flat west of Highway 395 | 1341 | Comment | ||
CAS-BOT-BC160835 | Camissonia tanacetifolia subsp. quadriperforata | John Thomas Howell | 1934-6-10 | 11857 | Lassen | 3 miles n. of Omira | Comment | |||
CAS-BOT-BC160875 | Camissonia tanacetifolia subsp. tanacetifolia | Noel H. Holmgren; Patricia K. Holmgren | 1980-7-3 | 9477 | Lassen | Madeline Plains, a valley road 1.1 km (0.7 mi) west of US Highway 395 from a turnoff 10.3 km (6.4 mi) south of Madeline | 1620 | Comment | ||
JEPS94549 | Cardamine breweri | Vernon Oswald and Lowell Ahart | 1997-6-24 | 8618 | Lassen | 2.7 mi e of boundary of Lassen National Forest (s of Susanville, on n side of Diamond Mountain at an impoundment on the edge of Forest Road 29N43, 7.4 mi e of Gold Run Road (29N10)); Diamond Mountain, Forest Road 29N43 | 2036 | Comment | ||
NY119877 | Cardamine breweri | R. C. Rollins | 1981-5-30 | 81168 | Lassen | Gold Run Road, toward Ski Line Drive, 10 miles S of Susanville | Comment | |||
SEINET5341069 | Cardamine nuttallii var. nuttallii | R. C. Rollins, K. W. Rollings | 1981-5-30 | 81166 | Lassen | Gold Rund Road toward Sky Line Drive, 10 miles souoth of Susanville. | Comment | |||
CDA3662 | Cardaria chalepensis | T. C. Fuller | 1964-10-7 | 12695 | Lassen | Hillside Cemetery, south side of Highway 299 to Fall River Mills, ca. 1 mile southwest of Nubieber. | 0 | Comment | ||
JEPS120879 | Carex | Lowell Ahart, John Dittes, Todd Sloat | 2013-6-8 | 18770 | Lassen | About 300-400 yards NW of the four tall poles, Ash Creek Wildlife Area, about 5.5 air miles NE of Bieber, Big Valley. | Comment | |||
JEPS28340 | Carex abrupta | George W. Gillett | 1957-7-21 | 867 | Lassen | 300 yards n trail summit (Juniper Lake - Cameron Meadow trail); Lassen Volcanic National Park | 2118 | Comment | ||
CAS-BOT-BC17908 | Carex angustata | George Wilson Gillett | 1957-7-22 | 883 | Lassen | Lassen Volcanic National Park. South Shore of Snag Lake. 100 yards from lake. | 1850 | Comment | ||
JEPS96097 | Carex aquatilis var. aquatilis | Vernon H. Oswald and Lowell Ahart | 1996-6-17 | 7813 | Lassen | Bizz Johnson Trail at milepost 6.0 e Devils Corral Trailhead (<trailhead> located off Hwy 36 w of Susanville); Modoc Plateau | 1420 | Comment | ||
SEINET13327167 | Carex aquatilis var. aquatilis | J. Atchley | 1993-5-5 | 1 | Lassen | Along willow creek. | 1219 | Comment | ||
CAS-BOT-BC18103 | Carex athrostachya | John Thomas Howell | 1934-7-7 | 12472 | Lassen | Pine Creek Flat. | Comment | |||
UC1537643 | Carex athrostachya | Gordon H. True Jr. | 1939-6-15 | 994 | Lassen | Bullard Lake, W of Grasshopper Valley | Comment | |||
CAS-BOT-BC19067 | Carex aurea | John Thomas Howell | 1976-7-19 | 51969 | Lassen | Sierra Nevada. On Gold Run Creek southwest of Susanville. | 1386 | Comment | ||
JEPS87494 | Carex aurea | Vernon H. Oswald and Lowell Ahart | 1993-8-3 | 5742 | Lassen | Cooper Swamp located E of Silver Lake just E of the Caribou Wilderness, ca. 13 mi (air) N of Lake Almanor. | 1932 | Comment | ||
UC1143011 | Carex aurea | August L. Hormay | 1934-5-14 | Lassen | Gray's Flat Well Lassen National Forest, Gray's Flat Well | 1706 | Comment | |||
CAS-BOT-BC19394 | Carex bolanderi | John Thomas Howell; Gordon H. True | 1973-8-1 | 50175 | Lassen | Sierra Nevada. Gold Run Creek road south of Susanville, Diamond Range. | 1584 | Comment | ||
SEINET13351078 | Carex davyi | B. L. Wilson, P. Zika | 2011-8-7 | 16805 | Lassen | Highway 44 near mile post 12.50, at junction with road 32N22 and road to Harney Valley | 1740 | Comment | ||
CAS-BOT-BC20650 | Carex douglasii | John Thomas Howell; Gordon H. True; Margaret Williams | 1973-5-12 | 49192 | Lassen | Sierra Nevada. Elysian Valley northwest of Janesville. | 1325 | Comment | ||
CHSC53521 | Carex douglasii | L. P. Janeway | 1990-7-4 | 3766 | Lassen | Bench on east side of saddle ca 0.8 mi northeast of Meadoview Peak. | 1981 | Comment | ||
HSC82188 | Carex douglasii | Thomas W. Nelson, Jane P. Nelson | 1980-7-6 | 6037 | Lassen | Along Ash Creek at Ash Creek Campground | 1494 | Comment | ||
UC190403 | Carex douglasii | M. S. Baker and Frank Nutting | 1894-7-6 | Lassen | Dixey Valley | Comment | ||||
CDA33049 | Carex douglasii | T. C. Fuller | 1963-7-15 | 10890 | Lassen | South side of road to Little Valley, 2.9 miles southeast of Pittville. | 0 | Comment | ||
CAS-BOT-BC20739 | Carex fracta | John Thomas Howell | 1959-9-23 | 34889 | Lassen | Lassen Park. North end of Juniper Lake. | 2057 | Comment | ||
CAS-BOT-BC20940 | Carex heteroneura | George Wilson Gillett | 1957-7-21 | 865 | Lassen | Below (north of) summit of trail between Juniper Lake and Cameron Meadow. | 2118 | Comment | ||
JEPS87491 | Carex heteroneura | Vernon H. Oswald and Lowell Ahart | 1993-8-3 | 5744 | Lassen | e Silver Lake (at the sw edge of swamp, just e of the Caribou Wilderness, ca 13 mi (air) n of Lake Almanor); Cooper Swamp | 1932 | Comment | ||
UC2031887 | Carex heteroneura | Nick Otting | 2003-7-15 | 684 | Lassen | Sierra Nevada Mountains, Diamond Mountain, 1000 feet east of summit, 7.5 miles south-southwest of Susanville. | Comment | |||
CHSC61065 | Carex heteroneura var. heteroneura | Vernon H. Oswald; Lowell Ahart | 1993-8-3 | 5744 | Lassen | Cooper Swamp located E of Silver Lake just E of the Caribou Wilderness, ca. 13 mi (air) N of Lake Almanor. | 1932 | Comment | ||
CHSC60435 | Carex hoodii | Mary Ann Showers | 1992-6-12 | 2517 | Lassen | Lassen Volcanic National Park. Meadow enclosed by lava flow, Butte Lake. | 1859 | Comment | ||
JEPS28381 | Carex hoodii | George W. Gillett | 1957-7-29 | 946 | Lassen | along trail between Snag Lake and Butte Lake; Lassen Volcanic National Park | 1859 | Comment | ||
UC2031875 | Carex hoodii | Nick Otting and Bruce Newhouse | 2003-7-15 | 705 | Lassen | Sierra Nevada Mountains, Diamond Mountain, 1000 feet east of summit, 7.5 air miles south-southwest of Susanville. | Comment | |||
CHSC115041 | Carex inops subsp. inops | Stephanie Puentes | 2011-7-7 | 09419 | Lassen | Big Foot THP. In the Big Valley Mountains, west of Big Valley. About 5 air miles SW of Lookout and 6 air miles NW of Bieber. | 1447 | Comment | ||
CHSC110898 | Carex integra | Lowell Ahart; John Dittes | 2012-7-9 | 18299 | Lassen | In the meadow, about 150 yards southeast of the tall poles, Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. | 1267 | Comment | ||
CHSC76848 | Carex lenticularis var. lipocarpa | L. P. Janeway; Loren Gehrung | 1999-10-9 | 6594 | Lassen | High Cascade Range. In southwestern arm of Caribou Lake, | 1995 | Comment | ||
HSC103673 | Carex lenticularis var. lipocarpa | Thomas W. Nelson, Jane Nelson | 1985-8-10 | 8023 | Lassen | Margin of pond along south side of lava flow on west side of Silver Lake | 1829 | Comment | ||
CHSC59187 | Carex multicaulis | Vernon H. Oswald; Lowell Ahart | 1992-9-15 | 5217 | Lassen | Lassen Volcanic National Park. Ca. 0.3 mi SW of Island Lake, on the NW foot of Bonte Pk., ca. 1.5 mi E of Juniper Lake campgrounds. | 2133 | Comment | ||
SEINET10850315 | Carex multicaulis | R. Ondricek | 1978-6-27 | Ondricek 78 | Lassen | On Coleman Lake Rd., .7 mi ne of Lassen Co. Rd. Al. T32N, R11E, nw quarter of Sec. 34, Fredonyer Peak Quadrangle, 15' in the 1977 Burn. | 1951 | Comment | ||
CHSC85991 | Carex nebrascensis | L. P. Janeway | 2003-7-24 | 7913 | Lassen | High Cascade Range. At lower end of a meadow and marsh along Bridge Creek 1.8 km north of Hwy 44, just northwest of the Cinder Pit. | 1716 | Comment | ||
CHSC96455 | Carex nebrascensis | Gordon Leppig | 1998-8-17 | 1053 | Lassen | Modoc National Forest. Blue Lake Ranch. | 1970 | Comment | ||
CHSC99782 | Carex nebrascensis | Lowell Ahart; John Dittes | 2007-6-20 | 15019 | Lassen | On wet soil or in shallow water on the north side of the levee, about 90 yards east of the tall poles, mountain meadow, in Big Valley, about 3.5 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber. | 1260 | Comment | ||
CAS-BOT-BC119714 | Carex nervina | Clare B. Hardham | 1971-8-22 | 18405 | Lassen | Diamond Mountain. | 2133 | Comment | ||
CAS-BOT-BC119716 | Carex nervina | John Thomas Howell | 1976-7-19 | 51989 | Lassen | On Gold Run Creek SW of Susanville. | 1386 | Comment | ||
CAS-BOT-BC119042 | Carex pellita | Hans Leschke | 1960-8-10 | 1768 a | Lassen | Badger Flat | 1912 | Comment | ||
UC70637 | Carex pellita | Jos. Burtt Davy | Jun 17 1897-Jun 24 1897 | Lassen | Honey Lake Valley | Comment | ||||
CHSC108016 | Carex praegracilis | Lowell Ahart; John Dittes | 2011-6-20 | 17477 | Lassen | About 15 yards east of the stream, about 40 yards south of where the road crosses Hunsinger Draw, 1.9 miles (air) northwest of Moll Reservoir, 2.8 miles (air) west of Ash Valley, 8.4 miles (air) southeast of Adin. | 1520 | Comment | ||
CHSC91377 | Carex praegracilis | Lowell Ahart; John Dittes | 2005-6-1 | 11859 | Lassen | On the west side of a poor dirt road, about 1/2 mile west of Scott Road, Long Valley, about 2 miles (air) northwest of the intersection of Scott Road and Highway 70, 3.9 miles (air) northwest of Hallelujah Junction. | 1448 | Comment | ||
CDA33131 | Carex praegracilis | T. C. Fuller | 1980-8-6 | 20319 | Lassen | North of Smoke Creek Ranch Road, 2 km west of the state line, 28.75 km (18.5 miles) northeast of Highway 395, northeast of Ravendale. | 0 | Comment | ||
CAS-BOT-BC118742 | Carex preslii | Alice Eastwood; John Thomas Howell | 1940-6-16 | 8338 | Lassen | Janesville | Comment | |||
CHSC53538 | Carex rossii | L. P. Janeway; Gary Benson, Randy Harrison | 1984-8-23 | 1057 B | Lassen | On southwest side of Blue Lake. | 1889 | Comment | ||
HSC48218 | Carex rossii | D. H. Norris, Thomas W. Nelson, S. Dowty | 1971-6-22 | 19222 | Lassen | 2 mi. N of Westwood | Comment | |||
HSC48338 | Carex rossii | D. H. Norris, Thomas W. Nelson, S. Dowty | 1971-6-22 | 19244 | Lassen | 2 mi. N of Westwood | Comment | |||
HSC48339 | Carex rossii | D. H. Norris, Thomas W. Nelson, S. Dowty | 1971-6-22 | 19176 | Lassen | Harvey Valley near Cone Springs | Comment | |||
CAS-BOT-BC118229 | Carex scopulorum var. bracteosa | John Thomas Howell | 1934-6-14 | 12162 | Lassen | Near Lost Lake, Warner Mts. | 2438 | Comment | ||
CHSC74312 | Carex simulata | James D. Jokerst | 1991-5-28 | 3297 | Lassen | Survey for reroute of Hwy. 139 at the N end of Eagle Lake, seep E and adjacent to highway at spring shown on USGS map. Modoc Plateau. | 1554 | Comment | ||
HSC95305 | Carex simulata | Gordon Leppig, Tony LaBanca, L. Arguello | 1997-6-28 | 514 | Lassen | Modoc National Forest, Blue Lake Ranch | 1970 | Comment | ||
CHSC114421 | Carex simulata | Allison Sanger | 2012-7-31 | Lassen | Cooper Swamp, east of Silver Lake across Road 32N10, approximately 36 air miles west-northwest of Susanville. | 1956 | Comment | |||
CAS-BOT-BC116606 | Carex subfusca | Clare B. Hardham | 1969-8-28 | 17440 | Lassen | West of Janesville. | Comment | |||
JEPS28384 | Carex subfusca | George W. Gillett | 1957-7-26 | 911 | Lassen | lake shore near ne arm of Butte Lake; Lassen Volcanic National Park, Butte Lake | 1844 | Comment | ||
SEINET13720729 | Carex subfusca | B. L. Wilson, P. Zika | 2011-8-7 | 16801 | Lassen | Where route A21 corsses the railroad tracks north of Westwood. | 1607 | Comment | ||
CAS-BOT-BC116609 | Carex subfusca | Hans Leschke | 1954-7-5 | s.n. | Lassen | Hat Lake | 1965 | Comment | ||
CAS-BOT-BC115284 | Carex utriculata | George Wilson Gillett | 1957-7-22 | 885 | Lassen | South shore of Snag Lake, margin of gravel bars 100 yards from lake. | Comment | |||
HSC103651 | Carex utriculata | Thomas W. Nelson, Jane Nelson | 1985-8-10 | 8009 | Lassen | Along north side of Silver Lake | 1829 | Comment | ||
JEPS103197 | Carex vallicola | B. Corbin | 2001-5-30 | 1002 | Lassen | S of Harter Flat, along jeep road 1 mi S of Nelson Corral Res. | 1868 | Comment | ||
CAS-BOT-BC115062 | Carex vesicaria | George Wilson Gillett | 1957-7-22 | 879 | Lassen | South shore of Snag Lake, margin of gravel bars 100 yards from lake. | 1850 | Comment | ||
UC1142938 | Carex vesicaria | A. L. Hormay | 1941-6-18 | 1 | Lassen | Little Harvey Valley Lassen National Forest | 1676 | Comment | ||
CDA33174 | Carex vesicaria var. vesicaria | Gordon Leppig | 1998-8-17 | 1040 | Lassen | Northern California Peatlands; Modoc National Forest. Blue Lake Ranch. | Comment | |||
RSA275376 | Carex whitneyi | D. H. Norris, Thomas W. Nelson, S. Dowty | 1971-6-22 | 19241 | Lassen | About 2 miles north of Westwood. | Comment | |||
CAS-BOT-BC248971 | Castilleja | Margaret M. Hanna | 1956-6-3 | 943 | Lassen | 2 mi. West of Nubieber | Comment | |||
CHSC106687 | Castilleja angustifolia | Zachary Garcia | 2008-5-3 | Lassen | Fort Sage Mtns. OHV Trailhead and trail to Indian Springs. | 1439 | Comment | |||
CHSC71100 | Castilleja angustifolia | Vernon H. Oswald; Lowell Ahart | 1998-5-22 | 9108 | Lassen | Road to ORV parking area in Fort Sage Mtns. 0.5 mi east of Fort Sage Rd., ca. 5 mi NNE of Doyle. | 1371 | Comment | ||
JEPS79146 | Castilleja angustifolia | L. R. Heckard with R. Bacigalupi | 1980-6-11 | 5249 | Lassen | about 8 mi ne Litchfield (along U.S. Hwy 395) | 1371 | Comment | ||
UC1483848 | Castilleja applegatei | G. Schoolcraft | 1979-7-5 | 123 | Lassen | se of Observation Mountain Lookout (top of Observation Mountain); Observation Mountain | 2407 | Comment | ||
CAS-BOT-BC249614 | Castilleja applegatei subsp. pinetorum | B. J. Hammerly | 1941-6-21 | 44 | Lassen | 8 mi. SE. of Likely on Blue Lake Road | Comment | |||
CAS-BOT-BC249616 | Castilleja applegatei subsp. pinetorum | Doris Kildale Gillespie | 1930-5-13 | 9367 | Lassen | Between Susanville and Janesville | Comment | |||
CAS-BOT-BC249619 | Castilleja applegatei subsp. pinetorum | Alice Eastwood; John Thomas Howell | 1940-6-15 | 8326 | Lassen | Grasshopper Valley | Comment | |||
CHSC7750 | Castilleja applegatei subsp. pinetorum | Beverley J. Wise | 1969-5-4 | 105 | Lassen | 4 mi. north of Susanville on Hwy 139 (Antelope Grade). | 1371 | Comment | ||
HSC23468 | Castilleja applegatei subsp. pinetorum | John Pratt | 1970-6-21 | 29 | Lassen | 1738 | Comment | |||
UC1012183 | Castilleja applegatei subsp. pinetorum | Francis W. Pennell | 1940-6-9 | 25769 | Lassen | Susanville; Route 36 | 1371 | Comment | ||
UC1374836 | Castilleja applegatei subsp. pinetorum | Noel H. Holmgren, John J. Fay, and Barton L. Bethers | 1970-6-24 | 4372 | Lassen | 2 mi w Westwood (at edge of airstrip) | 1554 | Comment | ||
CHSC65124 | Castilleja arachnoidea | Vernon H. Oswald; Lowell Ahart | 1995-7-24 | 7134 | Lassen | N of Lake Almanor on Forest Route 10, ca. 3 mi N of Silver Lake and 1 mi W od Upper Stephens Medws., just S of Pine Creek. | 1950 | Comment | ||
SEINET3836934 | Castilleja campestris | Marcus E. Jones | 1897-7-3 | Lassen | Pratville | 1372 | Comment | |||
CHSC99527 | Castilleja campestris subsp. campestris | Lowell Ahart; John Dittes | 2008-6-20 | 14978 | Lassen | Edge of vernal pools, about 100 yards west of where the levee road crosses Big Valley Canal, in Big Valley, about 4 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7 miles (air) northeast of Bieber. | 1263 | Comment | ||
CHSC115227 | Castilleja chromosa | B. Castro; L. P. Janeway. | 2015-6-5 | 2094 | Lassen | Great Basin. Near the SE corner of the Warner Mtns. Along W side of Tuledad Toad ca 3 air mi NE of Dodge Reservoir and 0.5 road-mi S of W end of Tuledad Canyon, on gentle NE-facing slope. | 1661 | Comment | ||
CHSC4764 | Castilleja lacera | R. Carter | 1967-7-16 | 623 | Lassen | Along side road. | Comment | |||
HSC82247 | Castilleja lacera | Thomas W. Nelson, Jane P. Nelson | 1980-7-6 | 5985 | Lassen | Along Adin-Madelin Rd., 16 mi. E of Adin in Ash Valley | 1555 | Comment | ||
JEPS88512 | Castilleja lacera | Vernon H. Oswald and Lowell Ahart | 1996-6-24 | 7842 | Lassen | 2.5 mi s Eagle Lake (ca 0.5 mi ne of Eagle Lake Rd (A1), Papoose Meadows, w side of meadow just s of cabins); Modoc Plateau, Papoose Meadows | 1633 | Comment | ||
UC103164 | Castilleja lacera | T. S. Brandegee | 1892-6-30 | Lassen | Janesville | Comment | ||||
UC1924561 | Castilleja lacera | Debra Valov | 2006-5-29 | 2006033 | Lassen | Bieber off County Rd A2 c. 8.7 km east of Hwy 299 | 1285 | Comment | ||
UC726418 | Castilleja lacera | A. A. Heller | 1941-6-26 | 16234 | Lassen | ridge w Nieubieber | Comment | |||
CDA41236 | Castilleja linariifolia | T. C. Fuller | 1980-8-5 | 20313 | Lassen | Along east side of Tuledad Road, 7.4 km. southeast of the campground on the east shore of Dodge Reservoir, northeast of Ravendale. | 0 | Comment | ||
CAS-BOT-BC244886 | Castilleja miniata | Louella Bass | 1973-6-17 | 116 | Lassen | Elysian Valley. Plants of the Sierra Nevada | 1325 | Comment | ||
POM44364 | Castilleja miniata | Marcus E. Jones | 1897-6-26 | s.n. | Lassen | Susanville, Perkin's Ranch. | 1463 | Comment | ||
CAS-BOT-BC244889 | Castilleja miniata | Alice Eastwood | 1912-8-22 | 1893 | Lassen | Battle Creek meadows. Lassen Butte Region. | Comment | |||
CHSC99144 | Castilleja pilosa | Lowell Ahart; John Dittes | 2008-6-19 | 14879 | Lassen | Open flat, east bank of Willow Creek, about 30 yards northeast of Highway 139, near Forest Road 36N02, about 19.6 miles east-southeast of Bieber. | 1578 | Comment | ||
RSA505409 | Castilleja psittacina | R. C. Bacigalupi, S. Galen Smith | 1957-6-28 | 6004 | Lassen | 5.9 miles south of Madeline. | 1616 | Comment | ||
CAS-BOT-BC39555 | Caulanthus major | T. Prendusi | 1980-7-21 | 30 | Lassen | Fredonyer Peak. | 2377 | Comment | ||
CHSC29953 | Caulanthus major | Robin L. Ondricek | 1978-6-8 | 46 | Lassen | Ridge E of Lower Dry Lake. | 1767 | Comment | ||
JEPS123842 | Caulanthus major var. nevadensis | Lowell Ahart, John Dittes | 2015-7-14 | 20329 | Lassen | About 4 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7 miles (air) northeast of Bieber. | Comment | |||
UC1523761 | Caulanthus major var. nevadensis | Gary Schoolcraft | 1982-6-23 | 733 | Lassen | Ft. Sage Mtns. | 1828 | Comment | ||
UC1553382 | Ceanothus cordulatus | G. Schoolcraft | 1988-7-11 | 1823 | Lassen | ca 5 mi n Hwy 36 (along Hwy 44) | 1676 | Comment | ||
UCD111387 | Ceanothus cordulatus | C. B. Heiser Jr. | 1947-7-13 | s.n. | Lassen | near Westwood. | Comment | |||
CAS-BOT-BC52054 | Ceanothus prostratus | Ira L. Wiggins; Dorothy B. Wiggins | 1961-6-10 | 16318 | Lassen | 2 miles E of Plumas-Lassen County line, along California Highway 36, near Westwood | Comment | |||
CHSC4984 | Ceanothus prostratus | R. Clicquennoi | 1967-7-4 | 5 | Lassen | 5 mi s of Eagle Lake Biology Station on Gallatin Beach Rd. | Comment | |||
JEPS118451 | Ceanothus prostratus | Lowell Ahart, John Dittes | 2011-6-20 | 17496 | Lassen | Forest floor, about 40 yards west of the stream, about 300 yards north of where the road crosses Hunsinger Draw, 1.9 miles (air) northwest of Moll Reservoir, 2.8 miles (air) west of Ash Valley, 8.4 miles (air) southeast of Adin | 1520 | Comment | ||
RSA122369 | Ceanothus prostratus | G. A. Fischer, Irwin H. Johnson | 1933-2-14 | 263 | Lassen | Lassen Forest | 1768 | Comment | ||
UC1281294 | Ceanothus prostratus | H. E. McMinn | 1941-8-27 | 5400 | Lassen | 3.5 mi from Pine Cone Inn (5 mi from Newbieber [Neubieber?]); 5 mi from Neubeiber | Comment | |||
CHSC6250 | Ceanothus velutinus | L. Harman | 1946-6-23 | Lassen | Roop mountain. Eagle Lake. | 2133 | Comment | |||
OBI4702 | Cenchrus longispinus | T. C. Fuller | 1965-10-13 | 14198 | Lassen | On N side of old rd to Susanville, 1 mi W of Johnstonville | Comment | |||
CDA37979 | Centaurea diffusa | T. C. Fuller | 1962-8-28 | 9481 | Lassen | Secret Valley, Highway 395, 3.3 miles north of road to Karlo. | 0 | Comment | ||
UC1229867 | Centaurea diffusa | T. C. Fuller | 1962-8-28 | 9480 | Lassen | E side of Hwy 395 to Madelaine, 1.6 mi N of Termo | Comment | |||
RSA157745 | Centaurea maculosa | T. C. Fuller | 1962-8-28 | 9472 | Lassen | Roadside west side of Hwy. 395, 1.7 miles south of Doyle | Comment | |||
UCR57551 | Centaurea maculosa | R. D. Goeden, Don W. Ricker | 1989-8-22 | 890822- 8 | Lassen | Hwy 395 and Herlong Access Rd | 1259 | Comment | ||
CDA7341 | Centaurea squarrosa | Loring White | Jul 1950 | Lassen | Kramer Ranch, Big Valley, just over line Modoc-Lassen. | 0 | Comment Read comments May 19 2009 |
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JEPS121264 | Centaurea virgata subsp. squarrosa | Lowell Ahart, John Dittes | 2013-7-23 | 18910 | Lassen | Near the summit on the N side of Hwy 299, at entrance road to quarry site, Big Valley Mountain, just E of Big Valley Summit, 2.8 air miles SW of Nubieber. | Comment | |||
JEPS84967 | Centaurium exaltatum | Barbara Ertter | 1987-7-24 | 7305 | Lassen | ca 0.75 mi ene Beckwourth Pass (at the end of old crumbling paved road) | 1524 | Comment | ||
RSA516348 | Centaurium exaltatum | Barbara Ertter | 1987-7-24 | 7305 | Lassen | ca 3/4 mi ENE of Beckwourth Pass at end of old crumbling paved road. | 1524 | Comment | ||
JEPS107820 | Centaurium muehlenbergii | Lowell Ahart, John Dittes | 2005-6-2 | 11977 | Lassen | Stream edge, Long Valley, about 4 1/2 miles (air) northeast of the intersection of Scott Road and Highway 70, 5.7 miles (air) northwest of Hallelujah Junction | 1408 | Comment | ||
SEINET7379749 | Centromadia pungens | M. J. Williams, G. Smith | 1983-1 | 83- 155 -1 | Lassen | 5 mi E of Hwy 395 on A-3 which joins the road to Alturas | 1372 | Comment | ||
CHSC29928 | Cerastium fontanum subsp. vulgare | Robin L. Ondricek | 1978-6-16 | 77 | Lassen | In the meadow below the dam at Murrers Upper Meadow. | 1548 | Comment | ||
HSC93312 | Cerastium fontanum subsp. vulgare | Vernon H. Oswald, L. Ahart | 1996-8-1 | 8126 | Lassen | FS Rd. 28N56 (D-line), 2 mi. N of Dyer Mtn. Lookout, SSW of Westwood | 1738 | Comment | ||
UC8815 | Ceratophyllum demersum | J. Burtt Davy | Jun 17 1897-Jun 24 1897 | 3324 | Lassen | Honey Lake Valley; near DeWitt's | 1219 | Comment | ||
JEPS124551 | Cercocarpus ledifolius | P. L. Billings | 1965-7-12 | 90 | Lassen | 5 mi. N of Susanville on Hwy 139 - 50 yds from road. | Comment | |||
SEINET10543177 | Cercocarpus ledifolius | Katherine L. Morris | 1973-5-25 | Morris 218 | Lassen | 2.6 miles w of susanville, on us 36, in an area of pinus jeffreyi and purshia | Comment | |||
UC452575 | Cercocarpus ledifolius var. ledifolius | Mrs. R. M. Austin | 1879-1 | Lassen | Comment | |||||
CHSC80142 | Chaenactis douglasii | Jeanne Boze | 1981-6-11 | 102 | Lassen | Along roadside, 5.5 mi from Hwy 139 on Horse Lake Road. | 1676 | Comment | ||
CDA10715 | Chaenactis douglasii var. achilleifolia | T. C. Fuller | 1959-7-7 | Lassen | Highway 395, 1.6 miles south of Ravendale. | 0 | Comment | |||
CAS-BOT-BC276618 | Chaenactis douglasii var. douglasii | John Thomas Howell | 1934-7-8 | 12497 | Lassen | Spalding's Eagle Lake | Comment | |||
CHSC13859 | Chaenactis douglasii var. douglasii | George Ellmore | 1973-6-25 | 731 | Lassen | West Eagle Lake on Pelican Point. | 1560 | Comment | ||
HSC81187 | Chaenactis douglasii var. douglasii | Thomas W. Nelson, Jane P. Nelson | 1980-7-6 | 5993 | Lassen | Along Adin-Madelin Rd., 16 mi. E of Adin in Ash Valley | 1555 | Comment | ||
CAS-BOT-BC276611 | Chaenactis douglasii var. douglasii | David D. Keck; J. Clausen | 1935-6-24 | 3737 | Lassen | 2 miles S of Ravendale | 1464 | Comment | ||
CAS-BOT-BC276613 | Chaenactis douglasii var. douglasii | David D. Keck; J. Clausen | 1935-6-25 | 3755 | Lassen | Susanville, just W of town | 1300 | Comment | ||
RSA30268 | Chaenactis xantiana | Marcus E. Jones | 1897-6-24 | s.n. | Lassen | 10 to 15 miles west from Amedee. | 1219 | Comment | ||
CHSC4937 | Chamaebatiaria millefolium | W. Lessig | 1967-7-15 | 30 | Lassen | 1/8 mi se of Eagle Lake Biology Station. | 1554 | Comment | ||
UC526157 | Chamaebatiaria millefolium | John Thomas Howell | 1934-7-9 | 12519 | Lassen | Pine Creek Flat | Comment | |||
CHSC117544 | Chamaesyce serpillifolia subsp. serpillifolia | Lowell Ahart; John Dittes | 2016-7-13 | 21130 A | Lassen | Along the west edge of the pond, 90 yards east of Stonebreaker Road, 0.6 miles south of County Road A-2, 5.3 miles (air) east of Bieber, 7.3 miles (air) southwest of Adin, hills at the southern slope of Big Valley. | 1289 | Comment | ||
CHSC65310 | Chamaesyce serpillifolia subsp. serpillifolia | Vernon H. Oswald; Lowell Ahart | 1995-8-14 | 7178 | Lassen | Modoc Plateau. Hwy. 395 at the N end of a Mud Flat, 3.4 mi N of Smoke Creek Ranch Rd., N of Susanville. | 1348 | Comment | ||
RSA0045636 | Chamomilla suaveolens | Lowell Ahart, John Dittes | 2008-6-22 | 15024 | Lassen | End of a levee, about 100 yards east of the tall poles, in Big Valley, about 3.5 miles (air) northeast of the Headquarters at Ash Creek State Wildlife, Area, about 5.5 miles (air) northeast of Bieber. | 1260 | Comment | ||
HSC991 | Cheilanthes gracillima | H. E. Parks, S. T. Parks | Jun 1928 | 262 | Lassen | Mt. Lassen National Park, Drakesbad | 2134 | Comment | ||
UC1191355 | Chenopodium berlandieri | Verne Grant and Irving Schneider | 1947-8-1 | 8229 | Lassen | irrigation ditch running sw into State Fish and Game nesting area on west end of Section 19; Madeline Plain | Comment | |||
UCR265181 | Chenopodium berlandieri | Barbara Ertter | 1987-7-24 | 7301 | Lassen | Eastern Sierra Nevada Mountains, c. 3/4 mi east-northeastof Beckwourth Pass at end of old paved road | 1524 | Comment | ||
RSA233736 | Chenopodium botrys | R. F. Thorne, C. W. Tilforth | 1969-9-6 | 39259 | Lassen | along Long Valley Creek, c. 14 mi. SE of Milford. | 1311 | Comment | ||
UCD54572 | Chenopodium glaucum | Ellen Dean; Dawn Cunningham | 2005-10-25 | 2755 | Lassen | E. of town of Susanville. Private property N of California Correctional Facility. Western side of property around large playa pond. | 1248 | Comment | ||
UC1135263 | Chrysolepis sempervirens | A. Simontacchi | 1940-8-8 | 938 | Lassen | 4.2 mi w Harvey Mtn. Lookout; Lassen National Forest, Halls Flat Quad. | 1889 | Comment | ||
UC1137593 | Chrysothamnus humilis | L. R. Short and J. Warren | 1936-8-17 | S- 495 | Lassen | Burgess Spr. Exp. Range Lassen Forest | 1760 | Comment | ||
SEINET4671623 | Chrysothamnus nauseosus subsp. consimilis | Carl B. Wolf | 1932-7-18 | Lassen | Big Valley, 2 6/10 miles from Bieber on road to; Alturas. | 1268 | Comment | |||
UCR268964 | Chrysothamnus viscidiflorus subsp. puberulus | Jim Andre | 2013-7-12 | 31420 | Lassen | along north side of Hwy 44 at south end of Grays Valley, along National Forest Route 33N02, north of Bogard Buttes, c. 30 mi west of Susanville | 1733 | Comment | ||
JEPS94839 | Chrysothamnus viscidiflorus subsp. viscidiflorus | Vernon H. Oswald and Lowell Ahart | 1998-9-8 | 9587 | Lassen | Kramer Road 3.1 mi s of Lookout; Kramer Road | 1280 | Comment | ||
SEINET515878 | Chrysothamnus viscidiflorus subsp. viscidiflorus | Vernon H. Oswald | 1998-9-8 | 9587 | Lassen | Kramer Rd. 3.1 mi S of Lookout. | 1280 | Comment | ||
SEINET5727126 | Chrysothamnus viscidiflorus subsp. viscidiflorus | Lowell E. Urbatsch, Vesna Karaman, Castro | 2000-1 | 7712 | Lassen | Willow Creek. Collected along Forest Road 37N04, off of CA 139.; Willow Creek | 1748 | Comment | ||
UC1136976 | Chrysothamnus viscidiflorus subsp. viscidiflorus | L. R. Short and Wm. Gansberg | 1936-8-13 | S- 494 | Lassen | Lassen Forest, Burgess Spr. Exp. Range | 1770 | Comment | ||
CAS-BOT-BC162757 | Chylismia claviformis subsp. cruciformis | Philip A. Munz | 1947-5-19 | 11870 | Lassen | 19 miles south of Ravensdale, on Highway 395 | 1341 | Comment | ||
UC1186580 | Chylismia claviformis subsp. integrior | G. I. Stage and R. W. Thorp | 1959-6-20 | 59 -116 | Lassen | 9.6 mi n Litchfield | Comment | |||
UCD130490 | Cichorium intybus | K. M. Meyer; A. Townesmith | 2007-7-19 | 133 | Lassen | Lassen National Forest. Ca. 0.2 mile on 29N03, off Hwy 36 on pullout just past a dry creek. | 1459 | Comment | ||
JEPS128416 | Cirsium andersonii | Catherine Bauer with Ellen Bauer Benson | 2017-8-16 | 23 | Lassen | South of Highway 44, North of Butte Lake, at Butte Creek Campground. Santa Clara Valley, National Forest Service, National Forest Campground. | Comment | |||
SD61012 | Cirsium andersonii | Darley F. Howe | 1964-8-1 | 3911 | Lassen | 3.3 miles on ridge road above Harvey Creek, Warner Mountains; Modoc National Forest. | 1950 | Comment | ||
UCD159575 | Cirsium arvense | D. S. Park | 2011-6-27 | 311 -2 | Lassen | East of Westwood. Growing near Willard Creek. | Comment | |||
UCD130505 | Cirsium canescens | T. C. Fuller | 1980-8-5 | 20311 | Lassen | east shore of Dodge Reservoir, 28 km (17.5 miles) northeast of Ravendale. | Comment | |||
CAS-BOT-BC277935 | Cirsium canovirens | T. C. Fuller | 1959-7-7 | 2739 | Lassen | Hwy. 395, 6 miles north of the road to Karlo | Comment | |||
CDA1166 | Cirsium cymosum | T. C. Fuller | 1959-7-7 | 2762 | Lassen | Hwy 395; 1.7 mi. south of Ravendale. | 0 | Comment | ||
CDA1170 | Cirsium cymosum | T. C. Fuller | 1963-7-16 | 10921 -B | Lassen | West of Hwy 395; 14.3 miles south of Ravendale. | 0 | Comment | ||
SEINET3082769 | Cirsium occidentale var. candidissimum | N. H. Holmgren, John J. Fay & Barton L. Bethers | 1970-6-25 | 4377 | Lassen | North end of Petersen Mountain, near US 395, 8 miles north of junctin with Calif. 70 (Hallelujah Junction). | 1524 | Comment | ||
CAS-BOT-BC280425 | Cirsium ochrocentrum | Lee E. Wheeler | 1959-7-23 | s.n. | Lassen | M. A. Mallory prop. Richmond Rd., ca. 4 mi SE/Susanville | Comment | |||
CDA37712 | Cirsium ochrocentrum | Breckenridge/Filippini | 2007-6-13 | s.n. | Lassen | Madeline Plains, western edge, along Westside Road, old Basque homestead. | 0 | Comment | ||
CDA1522 | Cirsium ochrocentrum var. ochrocentrum | Lee Wheeler, T. C. Fuller 1518-58 | 1958-11-12 | s.n. | Lassen | Honey Lake M. Mallery (Mallory) ranch, Susanville. (4 mi SE of Susanville). | 0 | Comment | ||
CAS-BOT-BC286307 | Cirsium scariosum | John Thomas Howell | 1976-7-20 | 52025 | Lassen | Along Willard Creek near its confluence with Susan River, about 5 miles west of Fredonyer Pass | 1432 | Comment | ||
CAS-BOT-BC286311 | Cirsium scariosum | B. Bartholomew; B. Anderson | 1988-6-25 | 4370 | Lassen | Long Valley, southern end of the Warner Mountains | 2080 | Comment | ||
UC1119211 | Cirsium scariosum var. americanum | A. Simontacchi | 1940-6-3 | 794 | Lassen | 8.3 mi se Alcohol Jacks Cabin; Lassen National Forest, Halls Flat Quad. | 1706 | Comment | ||
CDA1594 | Cirsium undulatum | T. C. Fuller | 1965-10-13 | 14201 | Lassen | Madeline Plains E base of Dry Valley Ridge, 10 mi. W of Termo, 3 mi N of Termo-Grasshopper Rd. | Comment | |||
CAS-BOT-BC285730 | Cirsium vulgare | John Thomas Howell; Gordon H. True | 1973-8-1 | 50160 | Lassen | Gold Run Creek road south of Susanville, Diamond Range | 1584 | Comment | ||
CAS-BOT-BC233918 | Cistanthe umbellata | D. B. Dunn; B. J. Cox | 1971-6-2 | 17792 | Lassen | 6 mi. N. of Halleluja Jct. on U.S. Hwy 395 | 1402 | Comment | ||
LA47494 | Clarkia gracilis subsp. albicaulis | Clare B. Hardham; | 1961-6-16 | 7485 | Lassen | Gold Run Creek, S of Susanville | Comment | |||
JEPS96107 | Clarkia rhomboidea | Vernon H. Oswald and Lowell Ahart | 1996-6-17 | 7780 | Lassen | ca. 7 mi. w. Susanville (Bizz Johnson Trail accessed at Devils Corral Trailhead located off Hwy. 36, n. side Hwy. 36 between trail & hwy. spanning the Susan River); Modoc Plateau, Bizz Johnson Trail | 1432 | Comment | ||
RSA0080500 | Claytonia lanceolata | M. S. Baker | 1952-5-23 | 12429 | Lassen | Hwy. 36; 0.5 mi. West of Predonyer Pass. | 1753 | Comment | ||
CHSC92649 | Claytonia rubra subsp. rubra | L. P. Janeway | 2005-7-4 | 8464 | Lassen | High Cascade Range. Ridge top north above Long Valley; 0.4 km west of Road 34N41. | 1752 | Comment | ||
UC1136873 | Claytonia rubra subsp. rubra | L. R. Short and Wm. Gansberg | 1936-6-2 | S- 359 | Lassen | Burgess Spring Experimental Range; Lassen Forest | 1865 | Comment | ||
UC452681 | Claytonia umbellata | Milo S. Baker | 1890-1 | Lassen | Milford | Comment | ||||
JEPS83688 | Cleome platycarpa | Staria S. Vanderpool and Richard Vanderpool | 1986-6-8 | 1237 d | Lassen | 3.5 mi n Hwy. 395 jct. with highway to Wendel (at Noble Emigrant Trail Historical Monument, Hwy 395) | 1341 | Comment | ||
UC1537370 | Cleome platycarpa | Gordon H. True Jr. | 1937-6-27 | 792 | Lassen | near Skeedaddle | 1524 | Comment | ||
CAS-BOT-BC32956 | Cleomella alata | C. C. (Mrs.) Bruce | 1898-6-1 | 2364 a | Lassen | Shumway | Comment | |||
NY242362 | Cleomella plocasperma | G. Schoolcraft | 1986-6-11 | 1620 | Lassen | About 1 mile west of CA-NV stateline along Smoke Creek Road. | 1341.1 | Comment | ||
RSA739646 | Cleomella plocasperma | L. P. Janeway, Linus Gog | 2008-8-2 | 9530 | Lassen | Modoc Plateau just above th flats along the S side of Rusch Creek, S side of Smokey Creek Ranch road 1.8km W of the CA-NV line. | 1349 | Comment | ||
CHSC64809 | Collinsia parviflora | Vernon H. Oswald | 1995-5-31 | 6811 | Lassen | Modoc Plateau. Smoke Creek Ranch Rd. 1.7 mi e of Hwy. 395, between Litchfield and Ravendale. | 1353 | Comment | ||
JEPS107462 | Collinsia parviflora | Lowell Ahart, John Dittes | 2005-6-1 | 11858 | Lassen | On the west side of the poor dirt road, about 1/2 mile west of Scott Road, Long Valley, about 2 miles (air) northwest of the intersection of Scott Road and Highway 70, 3.9 miles (air) northwest of Hallelujah Junction | 1448 | Comment | ||
JEPS95129 | Collinsia parviflora | Vernon H. Oswald and Lowell Ahart | 1997-5-27 | 8500 | Lassen | North of Susanville (on Forest Rte. 38N04 (between Hwy. 139 near Willow Creek Guard Station & Coyote Flat), 0.1 mi. e. of Hwy. 139, on flood plain of small creek paralleling rd.) | 1546 | Comment | ||
UC1032574 | Collinsia parviflora | K. Bradshaw | 1939-5-27 | 229 | Lassen | Lassen National Forest, s end of Black Mountain Experimental Forest Black Mountain Experimental Forest; Lassen National Forest, Black Mountain Experimental Forest | 1752 | Comment | ||
UCD55268 | Collinsia parviflora | Ellen Dean | 2006-5-15 | 3066 | Lassen | East of town of Susanville, along County Road A27 (Center Road). Private land north of California Correctional Facility owned by Virginia Johnston, to be purchased by state for expansion of alfalfa fields. | 1249 | Comment | ||
HSC68935 | Collinsia parviflora | Gary Schoolcraft | 1979-5-1 | 15 | Lassen | Along road between Big Springs and Shearing Corrals | 1677 | Comment | ||
RSA505355 | Collinsia parviflora | R. C. Bacigalupi, G. Thomas Robbins | 1955-7-20 | 5406 | Lassen | Eastern edge of Long Valley Meadows, southern end of the Warner Mountains., 4.4 miles south of Patterson Ranger Station, Modoc Nat. Forest. | 2058 | Comment | ||
CHSC5903 | Collinsia torreyi | M. West | 1946-6-24 | Lassen | Dow Butte Road. Eagle Lake. | 1828 | Comment | |||
UC773850 | Collinsia torreyi var. latifolia | L. R. Short | 1936-6-25 | S 455 | Lassen | Lassen National Forest, Burgess Spring Experiment Range Burgess Spring Experiment Range; Lassen National Forest, Burgess Spring Experiment Range | 1752 | Comment | ||
CHSC30572 | Collomia grandiflora | Sori H. Shad | 1970-7-1 | 33 | Lassen | Found 3/4 mile past Murrer's. Meadow near edge of road. | 1524 | Comment | ||
JEPS94551 | Collomia linearis | Vernon Oswald and Lowell Ahart | 1997-6-24 | 8621 | Lassen | 2.7 mi e of boundary of Lassen National Forest (s of Susanville on n side of Diamond Mountain at an impoundment on edge of Forest Rd 29N43 7.4 mi e of Gold Run Road (29N10)); Diamond Mountain, Forest Road 29N43 | 2036 | Comment | ||
CHSC92760 | Collomia tinctoria | L. P. Janeway | 2005-7-4 | 8468 | Lassen | High Cascade Range. Ridge top north above Long Valley; 0.4 km west of Road 34N41. | 1752 | Comment | ||
CHSC98582 | Collomia tinctoria | B. Castro; L. P. Janeway | 2005-7-10 | 1493 | Lassen | Northern High Sierra Nevada. Crest of the Diamond Mtns, overlooking Janesville and Honey Lake, 0.15 mi N of Rd 28N01 and 0.4 mi E of its junction with Janesville Grade (Rd 29N01/Rd 208). Knoll on N side of crest, in soft decomposed granite soil among rounded granite boulders. | 1859 | Comment | ||
UC1609177 | Collomia tinctoria | Vernon H. Oswald and Lowell Ahart | 1993-6-28 | 5597 | Lassen | Harvey Valley Rd. (33N02) 2.0 mi n Hwy 44 (between Grays Valley and Harvey Valley, e of Poison Lake) | 1734 | Comment | ||
UC23854 | Collomia tinctoria | M. S. Baker and Frank Nutting | 1894-7-12 | Lassen | Pine Creek | Comment | ||||
UC699727 | Collomia tinctoria | Farris Farris | 1936-6-15 | Lassen | Diamond Mountain | 1828 | Comment | |||
CAS-BOT-BC179604 | Comandra umbellata subsp. pallida | G. Schoolcraft | 1989-6-7 | 1908 | Lassen | NW slope of Shaffer Mtn. near top | 2011 | Comment | ||
JEPS124900 | Convolvulus occidentalis subsp. occidentalis | Ellen Locke | 1967-7-12 | 101 | Lassen | Collected at overlook for Fall River Valley, Highway 299, about 6 miles east of Shasta-Lassen county line. | Comment | |||
POM107535 | Corallorhiza striata | Marcus E. Jones | 1897-6-28 | s.n. | Lassen | Diamond Mountain; Susanville; Perkins Ranch. | 1829 | Comment | ||
JEPS57534 | Cordylanthus maritimus subsp. canescens | Harry George | 1963-8-15 | Lassen | shores of Honey Lake | Comment | ||||
POM43099 | Cordylanthus maritimus subsp. canescens | Marcus E. Jones | 1897-6-23 | s.n. | Lassen | Amedee | 1220 | Comment | ||
CHSC77234 | Cordylanthus ramosus | G. Schoolcraft | 1999-8-10 | 2873 | Lassen | S. of Doyle Grade about 2.5 mi. w. of Doyle, CA. | 1584 | Comment | ||
JEPS11644 | Cordylanthus ramosus | R. F. Hoover | 1940-9-28 | 4640 | Lassen | Leavitt, 8 mi e of Susanville; Leavitt | Comment | |||
CAS-BOT-BC212207 | Cornus sericea | Philip A. Munz | 1947-5-20 | 11887 | Lassen | Laufman Forestry Public Camp Ground above Milford | 1524 | Comment | ||
CHSC77215 | Corydalis caseana subsp. caseana | G. Schoolcraft | 1997-8-6 | 2657 | Lassen | Along w. fork of Gold Run Creek about 8 miles sw of Susanville. | 1859 | 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 | ||
UC506911 | Crepis acuminata | George A. Fischer and Irwin H. Johnson | 1933-7-14 | F- 266 | Lassen | Lassen <National> Forest | 1752 | Comment | ||
CAS-BOT-BC290394 | Crepis acuminata | G. L. Stebbins, Jr.; J. A. Jenkins | 1937-7-10 | 2314 | Lassen | Black Mountain about a mile below the summit | 1940 | Comment | ||
UC581285 | Crepis modocensis subsp. subacaulis | G. L. Stebbins Jr. and J. A. Jenkins | 1937-7-10 | 2278 | Lassen | Diamond Mt.; summit and e slope | Comment | |||
UC91877 | Crepis monticola | T. S. Brandegee | 1892-7-2 | Lassen | Susanville | Comment | ||||
UC1924597 | Crepis occidentalis | Debra Valov | 2006-5-28 | 2006007 | Lassen | Bieber off County Rd A2 c. 8.7 km east of Hwy 299 | 1305 | Comment | ||
UC540880 | Crepis occidentalis | David D. Keck and J. Clausen | 1935-6-25 | 3759 | Lassen | Susanville; just w of town | 1340 | Comment | ||
UC581242 | Crepis occidentalis | G. L. Stebbins Jr. and J. A. Jenkins | 1937-7-9 | 2259 | Lassen | bare summit ridge and ridges sw Diamond Mt. (s of Susanville) | Comment | |||
UC581265 | Crepis occidentalis | G. L. Stebbins Jr. and J. A. Jenkins | 1937-7-9 | 2261 | Lassen | bare summit ridge and ridges sw Diamond Mt. (s of Susanville) | Comment | |||
HSC81647 | Crepis occidentalis subsp. pumila | Thomas W. Nelson, Jane P. Nelson | 1980-7-6 | 6031 | Lassen | Ash Valley, along branch road off Adin-Madeline Rd. just S of bridge over Ash Creek, 16 mi. SE of Adin, 200 yds. SE of main road. | 1555 | Comment | ||
CDA4444 | Crepis occidentalis subsp. pumila | T. C. Fuller | 1963-6-1 | 10619 | Lassen | West side of road to Susanville, 2.0 mi. south of Pittville. | 0 | Comment | ||
CHSC93565 | Crepis pleurocarpa | Lowell Ahart; John Dittes | 2005-6-2 | 11934 | Lassen | Long Valley, along the poor dirt road, about 1/4 mile west of the Anderson Ranch home, about 4 3/4 miles (air) north of the interesection of Scott Road and Highway 70, 6.5 miles (air) northwest of Hallelujah Junction. | 1498 | Comment | ||
CHSC13599 | Cryptantha | J. Pitts | 1972-6-23 | 268 | Lassen | Ca. 40 yds e of Shepherd's Hall, Eagle Lake Field Station. | Comment | |||
CHSC7654 | Cryptantha | Beverly J. Wise | 1969-4-28 | 67 | Lassen | 10.0 mi. east of Susanville on south side of Hwy 395. | 1249 | Comment | ||
CHSC23567 | Cryptantha affinis | W. O. Baum | 1971-7-6 | 28 | Lassen | E slope of Gallatin Peak. | 1950 | Comment | ||
JEPS117574 | Cryptantha ambigua | Lowell Ahart, John Dittes | 2010-7-31 | 17023 | Lassen | About 100 yards northeast of where the road crosses Hunsinger Draw, 1.9 miles (air) northwest of Moll Reservoir, 2.8 miles (air) west of Ash Valley, 8.4 miles (air) southeast of Adin | 1520 | Comment | ||
UCD119054 | Cryptantha ambigua | Robbins; Raynor | 1943-6-1 | s.n. | Lassen | Madeline. | Comment | |||
CAS-BOT-BC189458 | Cryptantha circumscissa var. circumscissa | Alice Eastwood; John Thomas Howell | 1940-6-16 | 8333 | Lassen | Near Susanville | Comment | |||
SDSU20525 | Cryptantha echinella | Nuri Benet-Pierce, John P. Pierce | 2012-7-14 | 526 | Lassen | Diamond Mountain. | 2023 | Comment | ||
UCD55289 | Cryptantha flaccida | Ellen Dean; Gary Schoolcraft | 2006-5-16 | 3110 | Lassen | East of town of Susanville, along County Road A27 (Center Road). Private land north of California Correctional Facility owned by Virginia Johnston, to be purchased by state for expansion of alfalfa fields. | 1260 | Comment | ||
HSC63772 | Cryptantha flavoculata | Teresa Prendusi | 1980-5-22 | 1125 | Lassen | Shaffer Mtn. near top | 2012 | Comment | ||
POM252792 | Cryptantha hendersonii | A. A. Heller | 1938-6-23 | 15206 | Lassen | Lassen County the ridge E of Mapes on Hwy 395. | 1372 | Comment | ||
POM46564 | Cryptantha humilis | Marcus E. Jones | 1897-6-28 | s.n. | Lassen | Top of Diamond Mt. Susanville. Perkin's Ranch. | 2226 | Comment | ||
UC584347 | Cryptantha humilis | G. L. Stebbins Jr. and J. A. Jenkins | 1937-7-9 | 2267 | Lassen | sw of Diamond Mt. (s of Susanville) | 2164 | Comment | ||
JEPS124572 | Cryptantha intermedia var. grandiflora | S. Hardinghaus | 1967-7-11 | 167715 -114 | Lassen | 6 mi. S. of Eagle Lake where meets Hw 139 at west shore, on Hwy 139. | Comment | |||
RSA164363 | Cryptantha simulans | Clare B. Hardham | 1961-6-17 | 7505 | Lassen | Baxter Creek S of Susanville. | Comment | |||
POM197158 | Cryptogramma acrostichoides | Anonymous | 1881-07 | s.n. | Lassen | Mount Lassen | Comment | |||
UC193142 | Cycladenia humilis var. humilis | J. G. Lemmon | Lassen | near Shasta (Black Cone); ; Black Cone, near Shasta | Comment | |||||
UC473500 | Cycladenia humilis var. humilis | A. N. Kramer | 1930-1 | 15 | Lassen | Prospect Peak Lassen National Park | Comment | |||
CAS-BOT-BC114052 | Cyperus squarrosus | John Thomas Howell | 1974-7-10 | 50523 | Lassen | Elysian Valley | 1325 | Comment | ||
CHSC117528 | Cyperus squarrosus | Lowell Ahart; John Dittes | 2016-7-13 | 21139 | Lassen | Scattered along the south edge of the pond, 90 yards east of Stonebreaker Road, 0.6 miles south of County Road A-2, 5.3 miles (air) east of Bieber, 7.3 miles (air) southwest of Adin, hills at the southern slope of Big Valley. | 1289 | Comment | ||
UC4436 | Cypripedium californicum | Mrs. R. M. Austin | 1882-1 | Lassen | Mt. Dyer | Comment | ||||
CHSC27590 | Damasonium californicum | Jerry Snodgrass | 1978-7-1 | 22 | Lassen | Mahogany Lake, SE of Eagle L. | 2048 | Comment | ||
CHSC60782 | Damasonium californicum | Vernon H. Oswald; Lowell Ahart | 1993-6-14 | 5507 | Lassen | Lassen A21 (32N02), 2.1 mi E of Lassen 105 (32N28Y), on the SE side of Pine Creek Valley, ca. 8 mi (air) W of Eagle Lake. | 1728 | Comment | ||
UC985942 | Damasonium californicum | Herbert L. Mason, Malcolm A. Nobs, and S. Galen Smith | 1949-5-29 | 755 | Lassen | on Great Northern R.R. <Nubeiber> (Hwy. 299); , Great Northern R.R. | Comment | |||
HSC24237 | Damasonium californicum | John Pratt | 1970-6-21 | 33 | Lassen | Seasonally flooded lake | Comment | |||
SEINET3828852 | Damasonium californicum | R. F. Thorne, Larry E. De Buhr | 1975-1 | 46995 | Lassen | Along Highway 395 ca. 5 miles north of Madeline and ca. 5.5 iles south of Modoc county line. | 1615 | Comment | ||
CAS-BOT-BC189863 | Danthonia californica | John Thomas Howell; Gordon H. True; Margaret Williams | 1973-6-28 | 49487 | Lassen | Sierra Nevada. Elysian Valley, west of Janesville. | 1325 | Comment | ||
CHSC66281 | Danthonia californica var. americana | Vernon H. Oswald; Lowell Ahart | 1996-6-24 | 7839 | Lassen | Modoc Plateau. Papoose Meadows located ca. 0.5 mi E of Eagle Lake Rd. (A1) and 2.5 mi S of Eagle Lake. On the W side of the meadow just S of the cabins. | 1633 | Comment | ||
CAS-BOT-BC192327 | Danthonia unispicata | Parkison | 1916-6-10 | 15 | Lassen | Lassen National Forest. Harvey Valley | 1676 | Comment | ||
CAS-BOT-BC141772 | Dasiphora fruticosa | John Thomas Howell; Gordon H. True; Wayne Dakan | 1974-7-30 | 50669 | Lassen | Cirque-like hollow ne. of Diamond Mt. - Sierra Nevada | 2255 | Comment | ||
UC1924204 | Deinandra lobbii | Debra Valov | 2005-8-20 | 2005220 | Lassen | Bieber; off County A2 c. 8 km east of Hwy 299 | 1271 | Comment | ||
CAS-BOT-BC1424 | Delphinium andersonii | David Daniels Keck; J. Clausen | 1935-6-24 | 3748 | Lassen | 2 mi. S of Ravendale | 1464 | Comment | ||
CHSC7730 | Delphinium andersonii | Beverley J. Wise | 1969-5-18 | 83 | Lassen | 7.7 mi. West of Susanville on Las. Co. Rd. 215 on the south side of the road. | 1341 | Comment | ||
JEPS15484 | Delphinium andersonii | Joseph and Hilda W. Grinnell | 1938-6-13 | 1098 a | Lassen | on a sage flat near Ravensdale; near Ravensdale | 1554 | Comment | ||
JEPS94118 | Delphinium andersonii | Vernon H. Oswald and Lowell Ahart | 1998-5-22 | 9125 | Lassen | ca. 5 mi. n.e. Doyle (rd. to summit of Fort Sage Mts., 2.2 mi. e. of Fort Sage Rd.); Fort Sage Mts. | 1463 | Comment | ||
UC1583981 | Delphinium andersonii | G. Schoolcraft | 1990-6-12 | 2090 | Lassen | about 17 mi e Ravendale; Pine Dunes RNA | 1706 | Comment | ||
UC1924575 | Delphinium andersonii | Debra Valov | 2006-5-29 | 2006026 | Lassen | Bieber off County Rd A2 c. 8.7 km east of Hwy 299 | 1275 | Comment | ||
CAS-BOT-BC217332 | Delphinium andersonii | Leland S. Smith | 1917-6-2 | 23 | Lassen | Parsnip Creek - Sec 35. | 1524 | Comment | ||
UC726247 | Delphinium armeniacum | A. A. Heller | 1938-6-4 | 15149 | Lassen | 1 mile east of Fredonyer Pass east of Westwood. | 1706 | Comment | ||
RSA0005300 | Delphinium armeniacum | A. A. Heller | 1938-6-4 | 15149 | Lassen | 1 mile east of Fredonyer Pass on hwy 36. | 1707 | Comment | ||
CHSC36435 | Delphinium depauperatum | Dave Leuck | 1981-6-16 | 19 | Lassen | Meadow near turnoff to Caribou Wilderness Area on Hwy. 44. | Comment | |||
CHSC60846 | Delphinium depauperatum | Vernon H. Oswald; Lowell Ahart | 1993-6-28 | 5601 | Lassen | Rd. 35N04 at Aspen Well, N of Hwy 44 on the NW edge of Harvey Valley, NE of Poison Lake. In a meadow. | 1725 | Comment | ||
CHSC6242 | Delphinium glaucum | A. Santos | 1946-6-20 | Lassen | Eagle Lake. Grasshopper Valley. | 1624 | Comment | |||
CAS-BOT-BC10139 | Delphinium menziesii | Mrs. H. C. Cantelow | 1949-6-11 | 7 | Lassen | Summit of Fredonyer Pass | Comment | |||
CAS-BOT-BC9942 | Delphinium nudicaule | A. A. Heller | 1940-5-22 | 15663 | Lassen | Hill back of Westwood Cemetery on a cut over slope. This station is sevral miles west of the type station. | Comment | |||
CHSC36497 | Delphinium nudicaule | Theresa Costa | 1982-6-3 | 29 | Lassen | Ca. .3 mi s jct forest service rds 5.16 and 5.17, ca. 5 yd w 5.16, heading toward 5-corners. | Comment | |||
JEPS6109 | Delphinium nudicaule | A. A. Heller | 1938-6-4 | 15149 | Lassen | E of Fredonyer Pass, Lassen Co. | Comment | |||
HSC27070 | Delphinium nudicaule | John Pratt | 1970-6-11 | 4 | Lassen | Fredonyer Pass | 1738 | Comment | ||
CAS-BOT-BC116045 | Delphinium nuttallianum | Doris Kildale Gillespie | 1930-5-14 | 9380 | Lassen | Fredonia Pass near Susanville. | Comment | |||
CAS-BOT-BC116051 | Delphinium nuttallianum | Albert Michael Vollmer; L. Beane | 1953-7-1 | 63 | Lassen | Along Halls Flat road, beginning 6 miles west of Susanville to McArthur | 1554 | Comment | ||
CAS-BOT-BC116053 | Delphinium nuttallianum | Mrs. H. C. Cantelow | 1941-5-22 | s.n. | Lassen | West slope, Fredonyer Pass, 13.5 miles west of Susanville | 1554 | Comment | ||
CAS-BOT-BC192742 | Deschampsia danthonioides | Louella Bass | 1973-5-29 | EU 57 | Lassen | Elysian Valley | 1325 | Comment | ||
CAS-BOT-BC201882 | Deschampsia elongata | George W. Gillett | 1957-7-28 | 935 | Lassen | Banks of Widow Lake | 2072 | Comment | ||
JEPS28056 | Deschampsia elongata | George W. Gillett | 1957-7-28 | 925 | Lassen | trail to Widow Lake above junction with Snag Lake trail at upper end of Butte Lake (dry wash 100 yds. above trail junction); Lassen Volcanic Nat'l Park | 1859 | Comment | ||
UC1131561 | Deschampsia elongata | A. Simontacchi | 1940-7-3 | 919 | Lassen | 3.5 mi. w.-s.w. Harvey Mt. Lookout; Lassen Nat'l Forest, Halls Flat Quad. | Comment | |||
CAS-BOT-BC201808 | Deschampsia elongata | Malcom A. Nobs; S. Galen Smith | 1949-7-21 | 1058 | Lassen | 4 miles north of Madeline | 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 | ||
SEINET5343182 | Descurainia paradisa var. paradisa | F. B. Headley | 1915-5-28 | s.n. | Lassen | Honeylake, Calif. | Comment | |||
CHSC4784 | Descurainia pinnata | R. Carter | 1967-7-7 | 578 | Lassen | Collected outside cafeteria, N side, 15 yds. from building. Eagle Lake Biology Station. | Comment | |||
CHSC48325 | Descurainia pinnata subsp. halictorum | Vernon Oswald | 1986-5-28 | 2053 | Lassen | Rd. 201 on the w side of Eagle Lake, 28.7 mi n of Hwy 36, 6.8 mi sw of Hwy 139. | 1584 | Comment | ||
CHSC64772 | Descurainia pinnata subsp. intermedia | Vernon H. Oswald | 1995-5-24 | 6777 | Lassen | Modoc Plateau. Wendel Rd. (Lassen 320) 0.4 mi e of the e end of Amedee Rd. (6.1 mi e of Wendel). Roadside. | 1219 | Comment | ||
POM109921 | Dichelostemma multiflorum | Marcus E. Jones | 1897-6-26 | s.n. | Lassen | Susanville. Perkin s Ranch. | 1463 | Comment | ||
UC3327 | Dichelostemma multiflorum | M. S. Baker and Frank Nutting | 1894-7-2 | Lassen | s side Dixey Mts. | Comment | ||||
CAS-BOT-BC292259 | Dieteria canescens | John Thomas Howell | 1974-7-8 | 50470 | Lassen | Susanville | 1295 | Comment | ||
SD132250 | Dieteria canescens | G. Helmkamp | 1990-9-23 | G 8 | Lassen | North of Ravendale. | 1675 | Comment | ||
UC1536890 | Dieteria canescens var. shastensis | G. H. True Jr. | 1936-6-25 | 532 | Lassen | flats e of Harvey Ranger Station; Harvey Valley | 1706 | Comment | ||
CAS-BOT-BC153632 | Diplacus jepsonii | Lassen 1927 G. S. Crew | 1927-6-25 | 23 | Lassen | Norval Flat, Lassen National Forest | 1747 | Comment | ||
CHSC4832 | Diplacus jepsonii | R. Carter | 1967-7-14 | 602 | Lassen | Growing on n side of rd. ca. 3.5 mi e of Silver Lake between rd (31N07) and Susan River. | 1828 | Comment | ||
CHSC5907 | Diplacus mephiticus | R. Gein | 1946-6-12 | Lassen | Pine Creek bridge. | 1584 | Comment | |||
CHSC9543 | Diplacus mephiticus | A. W. Harvilik | 1967-6-24 | 36 | Lassen | Collected near the gas pump at Eagle Lake Biological Station. | 1554 | Comment | ||
SEINET13702844 | Diplacus mephiticus | G. Schoolcraft | 1980-5-7 | 225 B | Lassen | Honey Lake Island. | 1219 | Comment | ||
CAS-BOT-BC154007 | Diplacus torreyi | A. M. Vollmer; L. Beane | 1953-7-1 | 48 | Lassen | Along Halls Flat road, beginning 6 miles west of Susanville to McArthur | 1554 | Comment | ||
CAS-BOT-BC208722 | Distichlis spicata | G. Schoolcraft | 1986-9-10 | 1675 | Lassen | Along N. shore of Eagle Lake | Comment | |||
CHSC7693 | Distichlis spicata | Beverley J. Wise | 1969-5-23 | 129 | Lassen | 34.5 mi. S.E. of Susanville on Las. Co. Rd 320. | 1249 | Comment | ||
UC38076 | Distichlis spicata | J. Burtt Davy | June 17-24 1897 | 3304 | Lassen | Honey Lake Valley | Comment | |||
UCR7793 | Distichlis spicata var. nana | Marilyn Malin | 1968-6-20 | 258 | Lassen | Great Basin; Modoc Plateau, west side of Eagle Lake c. 100 yds. south of Bly Tunnel | 1561 | Comment | ||
UCD64624 | Distichlis spicata var. stricta | Verne Grant; Irving Schneider | 1947-9-5 | 8377 | Lassen | Northwest shore of Eagle Lake by Sam Webb's place (Spaulding). | Comment | |||
CAS-BOT-BC136181 | Dodecatheon alpinum | John Thomas Howell | 1934-6-14 | 12114 | Lassen | Near Lost Lake - Warner Mountains | 2438 | Comment | ||
HSC17852 | Dodecatheon alpinum | M. T. Milligan | 1964-7-16 | 135 | Lassen | 2 mi. N on the Silver Lake Rd., along Upper Susan River. | 1829 | Comment | ||
UC444833 | Dodecatheon alpinum | Franklin P. Nutting | Lassen | Pine Creek Northern California, Pine Creek | Comment | |||||
SEINET8561548 | Dodecatheon conjugens | M. J. Williams | 1969-5-24 | s.n. | Lassen | Ca 0.5 mile N of Bogart Ranger Station. | Comment | |||
CHSC4896 | Dodecatheon jeffreyi | Bill Wilson | 1967-7-15 | 203 | Lassen | Collected at Upper Murrer Meadow, 2.5 mi. E of Eagle Lake Biological Station, 10 mi. N of Susanville. | 1524 | Comment | ||
CHSC4919 | Dodecatheon pulchellum | L. G. Bennett | 1967-7-14 | 147 | Lassen | Immediate vicinity of Silver Lake. | 1975 | Comment | ||
CHSC113007 | Downingia bacigalupii | Lowell Ahart; John Dittes | 2013-7-22 | 18875 | Lassen | Around a man made pond, about 150 yards north of the four tall poles, Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. | 1267 | Comment | ||
UC1191995 | Downingia bacigalupii | Verne Grant and Irving Schneider | 1947-7-31 | 8209 | Lassen | ne quarter George Williams section 19; Madeline Plain | Comment | |||
UC1609311 | Downingia bacigalupii | Vernon H. Oswald and Lowell Ahart | 1993-7-8 | 5677 | Lassen | ca 11 air mi nnw Poison Lake (n side of Rd 34N12, just e of the railroad at Halls Flat Well) | 1737 | Comment | ||
UCR163269 | Downingia bacigalupii | Jim Andre | 1993-6-29 | 1408 B | Lassen | Madeline Plains about 2 miles south of Madeline along Hwy 395 | 1616 | Comment | ||
UCD23274 | Downingia bacigalupii | Louis K. Mann, Pat Mann | 1963-6-18 | s.n. | Lassen | Road cut through sagebrush flat. 13 miles north of Susanville on road to Merrillville. | Comment | |||
SBBG69660 | Downingia bicornuta | S. W. Hutchinson | -Jun-1925 | 492 | Lassen | near Eagle Lake | 1554 | Comment | ||
CHSC99106 | Downingia bicornuta var. bicornuta | Lowell Ahart; John Dittes | 2008-6-20 | 14945 | Lassen | In vernal pools and swales, about 100 yards southwest of where the levee road crosses Big Valley Canal, in Big Valley, about 4 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7 miles (air) northeast of Bieber. | 1263 | Comment | ||
UC1143175 | Downingia bicornuta var. bicornuta | Robert W. Gardner | 1937-6-26 | G- 24 | Lassen | Poison Lake Halls Flat Quad. | 1706 | Comment | ||
JEPS108488 | Downingia bicornuta var. bicornuta | Lisa Schultheis | 1996-6-28 | 308 -96 | Lassen | Between Bieber and Adin. Corner of Finley Rd. and Rt. 299. | Comment | |||
CDA42329 | Downingia elegans | G. D. Barbe | 1982-7-12 | 3869 | Lassen | Grasshopper Valley; 0.8 miles northeast of Highway 139, on South Grasshopper Road. | 0 | Comment | ||
UC1188739 | Downingia insignis | John H. Weiler, L. Constance, and E. Molseed | 1960-6-13 | 60163 | Lassen | 1.7 mi s Ravendale (w side of U.S. Highway 395) | Comment | |||
UC1520663 | Downingia insignis | Noel H. Holmgren and Patricia K. Holmgren | 1980-7-3 | 9482 | Lassen | 4.6 mi s Ravendale (U.S. Highway 395) | 1615 | Comment | ||
HSC63957 | Downingia insignis | Teresa Prendusi | 1980-7-1 | 1124 | Lassen | Champs Flat, 8 mi. W of N Eagle Lake. | 1677 | Comment | ||
CHSC75486 | Downingia laeta | Vernon H. Oswald; Lowell Ahart | 1999-6-9 | 9756 | Lassen | Northeast of Susanville and 4.1 mi south of Biscar Wildlife Management Area on BLM 26030 at the water crossing on Secret Creek. | 1347 | Comment | ||
HSC68798 | Downingia laeta | Gary Schoolcraft | 1980-7-16 | 319 | Lassen | N end of Nelson Corral Reservoir area. | 1805 | Comment | ||
RSA0035918 | Downingia laeta | Lowell A. Ahart, John Dittes | 2008-6-20 | 14928 | Lassen | About 100 yards southwest of where the levee road crosses Big Valley Canal, in Big Valley, about 4 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7 miles (air) northeast of Bieber. | 1263 | Comment | ||
CAS-BOT-BC41370 | Draba verna | M. S. Taylor | 1982-5-7 | 4428 | Lassen | Reno Junction on Highway 70 just east of Beckwourth Pass. | 1524 | Comment | ||
CHSC108018 | Draba verna var. aestivalis | Lowell Ahart; John Dittes | 2011-6-20 | 17489 | Lassen | About 3 yards east of the stream, about 40 yards south of where the road crosses Hunsinger Draw, 1.9 miles (air) northwest of Moll Reservoir, 2.8 miles (air) west of Ash Valley, 8.4 miles (air) southeast of Adin. | 1520 | Comment | ||
CHSC91326 | Draba verna var. aestivalis | Lowell Ahart; John Dittes | 2005-6-1 | 11901 | Lassen | On the north side of Scott Road, east side of the railroad underpass, Long Valley, about 4 3/4 miles (air) north of the intersection of Scott Road and Highway 70, 6.2 miles (air) northwest of Hallelujah Junction. | 1459 | Comment | ||
HSC95204 | Drosera anglica | Gordon Leppig, Tony LaBanca, Leonel Arguello | 1997-6-29 | 522 | Lassen | Modoc National Forest, Blue Lake Ranch | 1970 | Comment | ||
CAS-BOT-BC527339 | Drymocallis glandulosa var. reflexa | John Thomas Howell | 1976-6-20 | 52013 | Lassen | ABout 5 miles west of Fredonyer Pass, near confluence of Willard Creek and Susan River, Sierra Nevada | 1432 | Comment | ||
CHSC23710 | Drymocallis lactea var. lactea | Robert Smallwood | 1970-6-27 | 129 | Lassen | North edge of Dean's Meadow. | Comment | |||
JEPS95911 | Elaeagnus angustifolia | Lowell Ahart | 1999-9-13 | 8223 | Lassen | on the north side of Mapes Road; about 1/2 mile east of Lambert Lane; about 3 1/2 miles (air) southeast of Standish | 1210 | Comment | ||
CHSC112423 | Elatine | Lowell Ahart; John Dittes, Todd Sloat | 2013-6-8 | 18752 | Lassen | Plants near pond, about 80 yards north of the four tall poles, Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. | 1267 | Comment | ||
JEPS120867 | Elatine | Lowell Ahart, John Dittes, Todd Sloat | 2013-6-8 | 18752 -A | Lassen | About 30 yards N of the four tall poles, Ash Creek State Wildlife Area, about 5.5 air miles NE of Bieber, Big Valley. | Comment | |||
JEPS121273 | Elatine | Lowell Ahart, John Dittes | 2013-7-23 | 18890 | Lassen | Man-made pond, about 150 yards NW of the four tall poles, Ash Creek State Wildlife Area, about 5.5 air miles NE of Bieber, Big Valley. | Comment | |||
JEPS123974 | Elatine | Lowell Ahart, John Dittes | 2015-7-13 | 20295 | Lassen | Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. | Comment | |||
UCR227660 | Elatine | R. F. Thorne, Larry E. DeBuhr | 1975-8-22 | 47213 | Lassen | Modoc Plateau, Hwy 395, c. 5 mi north of Madeline [at Smith Reservoir] and c. 5.5 mi south of Modoc Co. line | 1616 | Comment | ||
JEPS121282 | Elatine californica | Lowell Ahart, John Dittes | 2013-7-22 | 18881 | Lassen | Man-made pond, about 150 yards N of the four tall poles, Ash Creek State Wildlife Area, about 5.5 air miles NE of Bieber, Big Valley. | Comment | |||
CHSC117180 | Eleocharis bella | Lowell Ahart; John Dittes | 2016-6-7 | 21015 | Lassen | 10 yards west of State Highway 299, Big Valley Mountains, 0.4 mile (air) northeast of Big Valley Summit, 5.0 miles (air) southwest of Bieber. | 1397 | Comment | ||
UC1818 | Eleocharis macrostachya | J. Burtt Davy | Jun 17-24 1897 | 3287 | Lassen | Honey Lake Valley, W end of lake | Comment | |||
JEPS103218 | Eleocharis quinqueflora | G. Schoolcraft | 1995-5-22 | 2483 | Lassen | Morgan Spring N of Skedaddle Mountains | 1524 | Comment | ||
RSA127038 | Eleocharis quinqueflora | Robert W. Gardner | 1939-6-15 | G- 36 | Lassen | Little Harvey Valley | 1700 | Comment | ||
HSC95170 | Eleocharis suksdorfiana | Gordon Leppig | 1998-8-17 | 1045 | Lassen | Modoc National Forest, Blue Lake Ranch | 1970 | Comment | ||
HSC95334 | Eleocharis suksdorfiana | Gordon Leppig, Tony LaBanca, L. Arguello | 1997-6-28 | 515 | Lassen | Modoc National Forest, Blue Lake Ranch | 1970 | Comment | ||
UCD150399 | Elodea canadensis | William Anderson | 1963-6-12 | s.n. | Lassen | Honey Lake Valley. | Comment | |||
UC1100132 | Elodea nuttallii | Herbert L. Mason and Verne Grant | 1947-7-9 | 13292 | Lassen | 5 miles east of Bieber | Comment | |||
POM313177 | Elodea nuttallii | H. L. Mason, Verne Grant | 1947-7-9 | 13292 | Lassen | Irrigation ditch 5 miles east of Bieber. | Comment | |||
CAS-BOT-BC221829 | Elymus canadensis | Marcus E. Jones | 1897-6-19 | s.n. | Lassen | Chat | 1615 | Comment | ||
CHSC117535 | Elymus caput-medusae | Lowell Ahart; John Dittes | 2016-7-13 | 21145 | Lassen | Scattered along the west edge of the pond, 100 yards east of Stonebreaker Road, 0.6 miles south of County Road A-2, 5.3 miles (air) east of Bieber, 7.3 miles (air) southwest of Adin, hills at the southern slope of Big Valley. | 1289 | Comment | ||
JEPS121785 | Elymus cinereus | B. Castro and L. P. Janeway | 2012-7-2 | 1937 | Lassen | Modoc Plateau. 32 air mi due E of Susanville, 12 mi E of Hwy 395 and 3 mi W of the NV border. East side of Skedaddle Mountains; corral at Skedaddle Ranch. | Comment | |||
CAS-BOT-BC227485 | Elymus elymoides | Brighton C. Cain | 1925-8-25 | 125 | Lassen | Horse trail from Drakesbad to summit of Mt. Lassen | 2438 | Comment | ||
JEPS128418 | Elymus elymoides | Jennifer Mueller | 2017-7-18 | CA 320 -193 | Lassen | Near Long Springs on Cold Springs Mountain. | Comment | |||
RSA152628 | Elymus elymoides | I. L. Wiggins, Dorothy Wiggins | 1961-6-11 | 16343 | Lassen | 13.5 mi. E. of Susanville | Comment | |||
UCD61535 | Elymus elymoides | L. D. Whitney | 1935-6-25 | Lassen | Ashurst Mt. | Comment | ||||
UCD61568 | Elymus elymoides | L. Whitney | 1933-8-15 | Lassen | Halls Flat. Lassen Forest. | 1737 | Comment | |||
UC1136930 | Elymus elymoides subsp. elymoides | George A. Fischer and Irwin H. Johnson | 1933-7-12 | F 214 | Lassen | Lassen <National> Forest | 1722 | Comment | ||
UC1537224 | Elymus elymoides subsp. elymoides | Gordon H. True Jr. | 1937-7-10 | 786 | Lassen | mesa n Skeedaddle Creek; Hot Spring Mountain | 1524 | Comment | ||
JEPS126503 | Elymus elymoides var. californicus | Jocelyn Munoz | 2016-8-17 | CA 350 -80 | Lassen | Heading north on 139, turn right onto Horse Lake Road. Continue east on Horse Lake Road passed lake. Take a left on an unnamed road about 3.5 miles east of lake. Then turn right on the first unnamed road with a NW aspect. | Comment | |||
UCD62571 | Elymus repens | Beecher Crampton | 1954-7-5 | 2059 | Lassen | Hwy 36, 4.5 miles west of Susanville. | Comment | |||
JEPS121791 | Elymus spicatus | B. Castro and L. P. Janeway | 2012-7-3 | 1938 | Lassen | Modoc Plateau. 16 air mi ENE of Susanville, and 0.35 mi W of Hwy 395, along road up to Shaffer Mountain. | Comment | |||
JEPS127709 | Elymus spicatus | Alejandro Brambila, Michael Dolan | 2016-7-13 | CA 320 -163 | Lassen | Cold Springs Road North of Bryn Marr Ranch. | Comment | |||
CDA31738 | Elymus trachycaulus | T. C. Fuller | 1963-7-15 | 10888 | Lassen | 2.9 miles southeast of Pittville, south of road to Little Valley | 0 | Comment | ||
UC1024916 | Elymus trachycaulus | Leo Whitney | 1935-6-29 | 3362 | Lassen | Bieber | Comment | |||
UC188858 | Elymus trachycaulus | Milo S. Baker | Lassen | mts. s Dixie Valley | Comment | |||||
UCD62734 | Elymus trachycaulus | Beecher Crampton | 1954-7-5 | 2058 | Lassen | Lassen County, 4.5 miles west of Susanville, along state highway 36. | 1432 | Comment | ||
CAS-BOT-BC204359 | Elymus trachycaulus subsp. trachycaulus | G. Schoolcraft | 1994-8-2 | 2396 | Lassen | About 2 miles NW of Boot Lake | 2438 | Comment | ||
CHSC77262 | Elymus trachycaulus subsp. trachycaulus | G. Schoolcraft | 1994-7-6 | 2444 | Lassen | About 2 miles west of Boot Lake. | 2103 | Comment | ||
CHSC110307 | Elymus triticoides | L. P. Janeway; B. Castro | 2012-7-2 | 10921 | Lassen | Modoc Plateau. Honey Lake Valley, northeast side of Honey Lake, 1.5 km north of Wendel, 0.8 km east of the road to Wendel. | 1241 | Comment | ||
GMDRC7737 | Elymus triticoides | J. M. Andre, G. Clifton | 1993-6-1 | 33414 | Lassen | Modoc Plateau: along US Hwy 395 at Viewland, approx 8 mi. ENE of Litchfield, 20 mi. NE of Susanville, east side of Shaffer Mtn | 1399 | Comment | ||
CDA2044 | Elytrigia elongata | T. C. Fuller | 1963-7-16 | 10920 | Lassen | Head of Secret Valley, W side of Hwy 395 to Litchfield, 14.1 miles S of Ravendale. | 0 | Comment | ||
POM119924 | Ephedra californica | Marcus E. Jones | 1897-6-23 | s.n. | Lassen | Amedee | 1220 | Comment | ||
CAS-BOT-BC81878 | Ephedra viridis | M. Bourell | 1997-5-31 | 5882 | Lassen | Wendel Road 10.9 miles southeast of Highway 395 | Comment | |||
CHSC32865 | Ephedra viridis | J. S. White | 1980-4-14 | 124 | Lassen | 3 mi ne of Wendel. | 1371 | Comment | ||
HSC1306 | Ephedra viridis | J. W. Bosworth | 1965-5-1 | 31 | Lassen | 20 mi. N of Susanville on Hwy. 395 | 1220 | Comment | ||
HSC1308 | Ephedra viridis | K. P. St. John | 1965-5-6 | 17 | Lassen | 13 mi. N of Litchfield on Hwy. 395 | Comment | |||
UC119065 | Ephedra viridis | Mrs. R. M. Austin | 1876-7-1 | 285 | Lassen | e of Susanville; Antelope Grade | Comment | |||
RSA0105578 | Epilobium brachycarpum | Lowell Ahart, John Dittes | 2013-7-22 | 18845 | Lassen | About 10 yards east of the four tall poles, Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. | 1267 | Comment | ||
UC1137772 | Epilobium brachycarpum | August L. Hormay | 1934-7-2 | Lassen | Black's Mtn. Headquarters Lassen National Forest | 1706 | Comment | |||
RSA0011500 | Epilobium brachycarpum | Robert F. Thorne, Larry E. DeBuhr | 1975-8-22 | 46975 | Lassen | Along Highway 395 ca. 6 miles north of Madeline and 4.5 miles south of Modoc county line. | 1616 | Comment | ||
JEPS127267 | Epilobium campestre | Lowell Ahart, John Dittes | 2016-7-13 | 21128 | Lassen | 60 yards east of Stonebreaker Road, 0.6 miles south of County Road A-2, 5.3 miles (air) east of Bieber, 7.3 miles (air) southwest of Adin, hills at the southern slope of Big Valley. | Comment | |||
CHSC111098 | Epilobium ciliatum subsp. ciliatum | Lowell Ahart; John Dittes | 2012-7-9 | 18301 | Lassen | About 100 yards southeast of the tall poles, Ash Creek State Wildlife Area, about 5.5 mile (air) northeast of Bieber, Big Valley. | 1267 | Comment | ||
CHSC27073 | Epilobium ciliatum subsp. ciliatum | Robert A. Schlising | 1978-8-3 | 3334 | Lassen | SE of Eagle Lake at Murrers Upper Meadow. North end of meadow. | Comment | |||
POM46399 | Epilobium ciliatum subsp. ciliatum | Marcus E. Jones | 1897-6-24 | s.n. | Lassen | 10 to 15 miles west from Amedee. | 1220 | Comment | ||
UC1191740 | Epilobium ciliatum subsp. ciliatum | Malcolm A. Nobs and S. Galen Smith | 1949-8-20 | 1471 | Lassen | 1 mi s Milford (seepage area); Honey Lake Valley | Comment | |||
CHSC36981 | Epilobium densiflorum | M. S. Taylor | 1982-8-19 | 5032 | Lassen | Roadside, along dirt rd 326, ca. 1/2 mi e of its jct with Milford Grade, ca. 1 air mi se of Milford. | 1310 | Comment | ||
UC634689 | Epilobium densiflorum | Lloyd Swift | 1928-8-15 | Lassen | Blue Lake Lassen National Forest | Comment | ||||
JEPS88515 | Epilobium hallianum | Vernon H. Oswald and Lowell Ahart | 1996-6-24 | 7849 | Lassen | 2.5 mi. s. Eagle Lake (Papoose Meadows located ca. 0.5 mi. e. of Eagle Lake Rd. (A1), w. side of meadow just s. of the cabins, Modoc Plateau); Modoc Plateau, Papoose Meadows | 1633 | Comment | ||
POM46398 | Epilobium oregonense | Marcus E. Jones | 1897-6-30 | s.n. | Lassen | Susanville, 4 miles below Eagle Lake. | 1524 | Comment | ||
CHSC99141 | Epilobium torreyi | Lowell Ahart; John Dittes | 2008-6-19 | 14878 | Lassen | Open hillside, about 100 yards east of Willow Creek, about 120 yards northeast of Highway 139, near Forest Road 36N02, about 19.6 miles east-southeast of Bieber. | 1578 | Comment | ||
JEPS127270 | Epilobium torreyi | Lowell Ahart, John Dittes | 2016-7-13 | 21126 | Lassen | 60 yards east of Stonebreaker Road, 0.6 miles south of County Road A-2, 5.3 miles (air) east of Bieber, 7.3 miles (air) southwest of Adin, hills at the southern slope of Big Valley. | Comment | |||
UC1523815 | Epilobium torreyi | Gary Schoolcraft | 1981-6-9 | 439 | Lassen | s of Pittville | 1249 | Comment | ||
SEINET10530259 | Equisetum laevigatum | Jeffrey Huber | 1971-6-11 | Huber 318 | Lassen | 3 mi E of Westwood, on CA Hwy 36; in volcanic soils (basalt), in Pinus jeffreyi. | 1608 | Comment | ||
SBBG115768 | Eragrostis mexicana subsp. virescens | J. T. Howell | 1976-7-19 | 51943 | Lassen | Susanville | 1296 | Comment | ||
SBBG69966 | Eremogone congesta | S. W. Hutchinson | -Jun-1925 | 69 | Lassen | Eagle Lake | 1554 | Comment | ||
SEINET8267478 | Eremogone congesta | L. E. Detling | 1936-6-28 | 1757 | Lassen | near Susanville. | Comment | |||
CHSC87106 | Eremogone congesta var. congesta | L. P. Janeway | 2001-6-20 | 7191 | Lassen | High Cascade Range. South side of the junction of the '22' road and Road 34N41; about 5.6 km south of Dixie Valley and 8.9 km north of Harvey Mountain. | 1560 | Comment | ||
CHSC111269 | Eremogone congesta var. subcongesta | L. P. Janeway | 2012-7-3 | 10941 | Lassen | Modoc Plateau. Near top of Shaffer Mountain, rocky outcrops, west-northwest facing and very rocky with lots of outcrops of hard dark volcanic rock. | 2032 | Comment | ||
CHSC72310 | Eremogone congesta var. subcongesta | L. P. Janeway; Glenn Clifton | 1998-7-9 | 5730 | Lassen | Ridgetop saddle, 1.0 mi east of Diamond Mtn. | 2215 | Comment | ||
RSA0057705 | Eremogone congesta var. subcongesta | L. P. Janeway | 2001-6-20 | 7199 | Lassen | Modoc Plateau. Along 22 Rd. about 1.8 km west of Black Hole, about 11.9 km north-northeast of Harvey Mountain. | 1500 | Comment | ||
CAS-BOT-BC481938 | Eremogone kingii var. glabrescens | B. J. Hammerly | 1941-6-21 | 51 | Lassen | 8 mi SE of Likely on Blue Lake Road | Comment | |||
CAS-BOT-BC160000 | Eremothera boothii subsp. alyssoides | Elmer I. Applegate | 1934-5-4 | 8918 | Lassen | Secret Valley | Comment | |||
UC725471 | Eremothera boothii subsp. alyssoides | A. A. Heller | 1938-6-23 | 15212 | Lassen | on Hwy 395 about midway between Mapes and Secret Valley | 1371 | Comment | ||
RSA0124147 | Eriastrum signatum | L. P. Janeway | 2008-8-2 | 9533 | Lassen | Modoc Plateau just above the flats along the S side of Rush Creek, S side of Smokey Creek Ranch road 1.8km W of the CA-NV line. | 1349 | Comment | ||
UC572262 | Eriastrum signatum | E. Sawyer | 1935-6-29 | 222 | Lassen | LOng Valley Sierraville Quadrangle | 1310 | Comment | ||
CAS-BOT-BC515171 | Eriastrum signatum | Lewis S. Rose | 1934-7-25 | 34410 | Lassen | Reno Jct. | 1371 | Comment | ||
CAS-BOT-BC515173 | Eriastrum signatum | Gary Schoolcraft | 1982-6-22 | 720 | Lassen | Ft. Sage Mtns. | 1463 | Comment | ||
RSA0125158 | Eriastrum signatum | Marcus E. Jones | 1897-6-22 | 9972 | Lassen | 10 miles south of Amedee. [Lassen or Plumas Co.] | 1220 | Comment | ||
OBI77051 | Eriastrum sparsiflorum | Anthony Baniaga | 2011-7-1 | 410 | Lassen | CDFB. Bass Hill Wildlife Area W of hwy 395. Janesville quad T29N R13E sec 19 SW of SW | 1279 | Comment | ||
OBI82827 | Eriastrum sparsiflorum | Robert L. Johnson, Mikel R. Stevens | 2015-7-10 | 3932 | Lassen | 0.1 rd mi E of jct with Hwy 395 on Standish Buntingville Rd (A3). Buntingville. Both sides of rd.; 0 | 1261 | Comment | ||
SEINET7356272 | Eriastrum sparsiflorum | Robert L. Johnson, Mikel R. Stevens | 2015-7-10 | 3932 | Lassen | 0.1 rd mi E of jct with Hwy 395 on Standish Buntingville Rd (A3). Buntingville. Both sides of rd.; 0 | 1261 | Comment | ||
JEPS124583 | Eriastrum sparsiflorum | J. Yamanaka | 1965-7-12 | 123 | Lassen | Highway 395, 2.6 miles No. of Milford Habitat. | Comment | |||
UC133906 | Eriastrum sparsiflorum | Dr. Gustav Eisen | July 1891 | Lassen | Honey Lake | Comment | ||||
CAS-BOT-BC286601 | Ericameria bloomeri | Clarence R. Quick | 1964-8-1 | 64 -94 | Lassen | Cal Mt. east of Poison Lake | 1767 | Comment | ||
CAS-BOT-BC286603 | Ericameria bloomeri | R. K. Gierisch; D. H. Esplin | 1969-8-27 | 3598 | Lassen | Lassen National Forest | Comment | |||
CHSC349 | Ericameria bloomeri | 1944-7-31 | Lassen | Westwood. | 1549 | Comment | ||||
UC1136849 | Ericameria bloomeri | L. R. Short and J. Warren | 1936-8-17 | S- 497 | Lassen | Burgess Spr. Exp. Range Lassen Forest | 1767 | Comment | ||
UC1776699 | Ericameria bloomeri | G. Schoolcraft | 1992-8-19 | 2249 | Lassen | About 1 mile east of Devil's Corral, HWY 36 | 1493 | Comment | ||
UC29712 | Ericameria nauseosa | J. Burtt Davy | Jun 17 1897-Jun 24 1897 | 3344 | Lassen | Honey Lake Valley | Comment | |||
CHSC65293 | Ericameria nauseosa var. oreophila | Vernon H. Oswald; Lowell Ahart | 1995-8-14 | 7181 | Lassen | Modoc Plateau. Hwy. 395 9.1 mi N of Smoke Creek Ranch Rd., N of Susanville. Along this section of highway. | 1359 | Comment | ||
JEPS95709 | Ericameria nauseosa var. oreophila | Vernon H. Oswald and L. Ahart | 1995-8-14 | 7181 | Lassen | T31N R15E NW1/4 Sec. 11, 4460 ft, Modoc Plateau, Sagebrush Scrub. Hwy. 395 9.1 mi N of Smoke Creek Ranch Rd., N of Susanville | 1359 | Comment | ||
UC527343 | Ericameria nauseosa var. oreophila | C. B. Wolf | 1931-9-4 | Lassen | 2.6 mi from Bieber (on the road to Alturas); Big Valley | 1267 | Comment | |||
CAS-BOT-BC294179 | Ericameria nauseosa var. speciosa | G. Schoolcraft | 1994-9-13 | 2429 | Lassen | Just above gate along road to Fredonyer Peak lookout | 2255 | Comment | ||
UC761817 | Ericameria nauseosa var. speciosa | R. F. Hoover | 1940-9-29 | 4646 | Lassen | pass betw. Shaffer Mt. and Warren Peak | Comment | |||
CAS-BOT-BC293009 | Ericameria parryi var. nevadensis | C. B. Wolf | 1931-9-6 | 2405 | Lassen | 1/2 mile from Janesville on the road to Wendel - Western edge of Honey Lake Valley | 1280 | Comment | ||
SEINET10617383 | Erigeron aphanactis | Jeffrey Huber | 1971-6-2 | Huber 133 | Lassen | 6 mi. N of Halleluja Jct. on U.S. Hwy. 395, in Artemisia tridentata, Pinyon pine, Jeffrey pine along high ridge and in sandy wash. | 1402 | Comment | ||
CAS-BOT-BC293526 | Erigeron aphanactis var. aphanactis | Margaret Williams | 1974-7-27 | 74 -L-49 | Lassen | Near Hallelujah Junction, west of Hwy 395 and south of Hwy 70 | 1493 | Comment | ||
JEPS41560 | Erigeron bloomeri | Franklin P. Nutting | Lassen | Dixey Valley | Comment | |||||
RSA713118 | Erigeron bloomeri | L. P. Janeway, B. Castro | 2005-7-10 | 8486 | Lassen | Northern High Sierra Nevada. Crest of Diamond Mountains overlooking the NW end of Honey Lake, more or less at the north end of Stony Ridge. | 1993 | Comment | ||
CHSC87122 | Erigeron bloomeri var. bloomeri | L. P. Janeway | 2001-6-20 | 7198 | Lassen | Modoc Plateau. Along '22' Road about 1.8 km west of Black Hole, about 11.9 km north-northeast of Harvey Mountain. | 1500 | Comment | ||
UC1609105 | Erigeron bloomeri var. bloomeri | Vernon H. Oswald and Lowell Ahart | 1993-6-28 | 5581 | Lassen | Harvey Valley Rd (33N02) 1.2 mi n Hwy 44 (e side of valley, e of Poison Lake); Grays Valley | 1731 | Comment | ||
UCR45383 | Erigeron bloomeri var. bloomeri | Thomas W. Nelson, Jane P. Nelson | 1980-7-6 | 6034 | Lassen | Ash Valley, along branch road off Adin-Madeline Road just south of bridge over Ash Creek, & c. 16 mi. SE of Adin; 2.5 mi. SE of junction with main road | 1555 | Comment | ||
UC584273 | Erigeron compositus | G. L. Stebbins Jr. and J. A. Jenkins | 1937-7-10 | 2286 | Lassen | s of Janesville (summit Thompson Peak); Thompson Peak | 2346 | Comment | ||
JEPS117585 | Erigeron divergens | Lowell Ahart, John Dittes | 2010-7-31 | 17004 | Lassen | On the north side of the road, about 10 yards east of the large culvert, where the road crosses Hunsinger Draw, 1.9 miles (air) northwest of Moll Reservoir, 2.8 miles (air) west of Ash Valley, 8.4 miles (air) southeast of Adin | 1516 | Comment | ||
UC1536893 | Erigeron divergens | G. H. True Jr. | 1936-6-21 | 516 | Lassen | roadside se Litchfield; Honey Lake Valley | 1219 | Comment | ||
UC1561865 | Erigeron divergens | Barbara Ertter | 1987-7-24 | 7303 | Lassen | ca .75 mi ene Beckwourth Pass (at end of old crumbling paved road) | 1524 | Comment | ||
CAS-BOT-BC300374 | Erigeron eatonii var. plantagineus | Alice Eastwood; John Thomas Howell | 1940-6-11 | 7980 | Lassen | Big Valley Mts. | Comment | |||
HSC28860 | Erigeron eatonii var. plantagineus | D. H. Norris, Thomas W. Nelson, S. Dowty | 1971-6-22 | 19253 | Lassen | Harvey Valley near Cone Springs | Comment | |||
HSC81782 | Erigeron eatonii var. plantagineus | Thomas W. Nelson, Jane P. Nelson | 1980-7-6 | 6017 | Lassen | Along Adin-Madeline Rd. 0.5 mi. W of Moll Reservoir | 1585 | Comment | ||
JEPS87524 | Erigeron eatonii var. plantagineus | Vernon H. Oswald and Lowell Ahart | 1993-6-14 | 5505 | Lassen | Lassen A21 (32N02) 2.1 mi e Lassen 105 (32N28Y) (se side of valley, ca 8 air mi w of Eagle Lake); Pine Creek Valley | 1728 | Comment | ||
UC1118206 | Erigeron eatonii var. plantagineus | A. Simontacchi | 1940-6-4 | 801 | Lassen | 7.0 mi sw Jacks Lake; Lassen National Forest, Halls Flat Quadrangle | 1828 | Comment | ||
UC584370 | Erigeron elegantulus | E. B. Babcock, G. L. Stebbins Jr. | 1936-6-8 | 1787 | Lassen | roadside about 5 mi n Termo | 1371 | Comment | ||
CHSC105240 | Erigeron filifolius var. filifolius | Lowell Ahart; John Dittes | 2010-7-31 | 17008 | Lassen | About 2,300 feet north of where the road crosses Hunsinger Draw, 1.9 miles (air) northwest of Moll Reservoir, 2.8 miles (air) west of Ash Valley, 8.4 miles (air) southeast of Adin. | 1510 | Comment | ||
CHSC60817 | Erigeron lassenianus var. lassenianus | Vernon H. Oswald; Lowell Ahart | 1993-6-28 | 5578 | Lassen | Harvey Valley Rd. (33N02), 0.2 mi N of Hwy 44, E side of Grays Valley, E of Poison Lake. | 1749 | Comment | ||
CAS-BOT-BC295470 | Erigeron lassenianus var. lassenianus | Clarence R. Quick | 1961-6-21 | 61 -21 | Lassen | Adjacent to Road 21, Blacks Mt. Experimental Forest northeast of Lassen Peak | 1798 | Comment | ||
CAS-BOT-BC295472 | Erigeron lassenianus var. lassenianus | Parkison | 1916-6-21 | 40 | Lassen | Lassen National Forest. Near Patterson Cabin | 1706 | Comment | ||
POM39968 | Erigeron linearis | Marcus E. Jones | 1897-6-28 | s.n. | Lassen | Top of Diamond Mt. Susanville. Perkin's Ranch. | 2226 | Comment | ||
UC585085 | Erigeron linearis | E. B. Babcock, G. L. Stebbins Jr. | 1936-6-8 | 1792 | Lassen | about 5 mi N of Terno | 1371 | Comment | ||
SD9017 | Erigeron nivalis | Mrs. R. M. Austin | 1882-8-10 | Lassen | Lassen Peak | Comment Read comments Apr 29 2013 |
||||
HSC82189 | Erigeron philadelphicus | Thomas W. Nelson, Jane P. Nelson | 1980-7-6 | 6038 | Lassen | Along Ash Creek at Ash Creek Campground | 1494 | Comment | ||
HSC5530 | Erigeron philadelphicus | M. S. Baker | 1893-1 | Lassen | Vicker's Ranch, Big Valley, collected in the summer | Comment | ||||
CAS-BOT-BC300120 | Erigeron pumilus var. intermedius | John Thomas Howell; Gordon H. True; Margaret Williams | 1973-5-12 | 49186 | Lassen | Elysian Valley northwest of Janesville | 1325 | Comment | ||
CAS-BOT-BC300122 | Erigeron pumilus var. intermedius | Alice Eastwood; John Thomas Howell | 1940-6-15 | 8312 | Lassen | Upper Willow Creek east of Hayden Hill | Comment | |||
UC468919 | Erigeron pumilus var. intermedius | Franklin P. Nutting | Lassen | Big Valley Northern California, Big Valley | Comment | |||||
UC76016 | Erigeron pumilus var. intermedius | Milo S. Baker | 1894-7-1 | Lassen | Dixey Valley | Comment | ||||
UC584286 | Erigeron tener | G. L. Stebbins Jr. and J. A. Jenkins | 1937-7-10 | 2285 | Lassen | summit Thompson Peak (s of Janesville) | 2346 | Comment | ||
JEPS57084 | Eriogonum baileyi var. baileyi | W. L. Jepson | 1918-8-2 | 7772 | Lassen | Beckwith Pass | 1463 | Comment | ||
UCR92116 | Eriogonum baileyi var. baileyi | G. R. Ballmer | 1993-7-31 | s.n. | Lassen | Sandy flats along Fort Sage Rd., NE of Doyle, SE of Honey Lake, about 2-5 air mi west of Neveda border | 1215 | Comment | ||
CHSC25303 | Eriogonum caespitosum | Pauleen Broyles | 1977-5-30 | 150 | Lassen | Lava flow ca 1.6 km se of South Fork Reservoir and 1.6 km n of Skedaddle Creek Road, ca 8 km ne of Herlong. | 1660 | Comment | ||
CHSC7738 | Eriogonum caespitosum | Beverley J. Wise | 1969-5-3 | 78 | Lassen | 3.4 mi east of junction with Hwy 395 on Las. Co. Rd. 338 (Smoke Creek Road). | 1584 | Comment | ||
UC849328 | Eriogonum caespitosum | A. A. Heller | 1938-6-23 | 15216 | Lassen | U.S. Highway 395 between Secret Valley and Ravendale | 1524 | Comment | ||
SEINET11934606 | Eriogonum caespitosum | Unknown | 1977-1 | 150 | Lassen | 1.6 km SE of South Fork Reservoir and 1.6 km N of Skedaddle Creek Rd. ca 8 km NE of Herlong | 1660 | Comment | ||
CHSC14063 | Eriogonum collinum | K. R. Stern; D. B. Joley, J. G. Geschke | 1974-6-23 | 5839 | Lassen | Ca. 1 mi se of Ravendale on w side of Hwy. 395. | 1618 | Comment | ||
NY242502 | Eriogonum collinum | G. Schoolcraft | 1983-6-28 | 1021 | Lassen | East side of Mud Flat. 31-15-26 | 1341.1 | Comment | ||
CAS-BOT-BC246504 | Eriogonum douglasii var. meridionale | B. J. Hammerly | 1941-6-21 | 45 | Lassen | 8 mi. SE. of Likely on Blue Lake Road | Comment | |||
JEPS118162 | Eriogonum douglasii var. meridionale | Dean W. Taylor | 2009-5-21 | 20603 | Lassen | Susanville; Susanville Peak, northerly flank along logging roads ca. 1.5 air miles E of Round Valley Reservoir | 1706 | Comment | ||
CHSC93237 | Eriogonum elatum var. villosum | John Dittes; Scott Chamberlain | 2004-6-28 | 1020 A | Lassen | Modoc Plateau; Long Valley; ca. 4.6 air-miles north by northeast of Hwy 70 at Beckwourth Pass, ca. 3.2 air-miles west of Hwy 395, ca. 0.3 air-mile east of Plumas County line; near meadow edge. | 1511 | Comment | ||
CHSC65157 | Eriogonum maculatum | Vernon H. Oswald; Lowell Ahart | 1995-7-5 | 6961 | Lassen | North of Honey Lake on Smoke Creek Ranch Rd., 1.2 mi w of the Nevada-California state line. | 1335 | Comment | ||
UC1949280 | Eriogonum marifolium | Barbara Ertter | 1988-7-25 | 7862 | Lassen | ridge of Diamond Mts ca 1.5 mi E of Diamond Peak, ca 10 airmiles due S of Susanville | Comment | |||
RSA518445 | Eriogonum microtheca var. ambiguum | George K. Helmkamp | 1990-9-23 | D- 9 | Lassen | 20 miles N of Litchfield along U.S. Hwy 395 | 1433 | Comment | ||
UC584343 | Eriogonum microthecum var. laxiflorum | G. L. Stebbins Jr. and J. A. Jenkins | 1937-7-8 | 2223 | Lassen | 6 mi s Ravensdale | 1660 | Comment | ||
CAS-BOT-BC266368 | Eriogonum nudum var. deductum | John Thomas Howell; Gordon H. True; Margaret Williams | 1973-6-28 | 49514 | Lassen | West of Janesville, Elysian Valley, Sierra Nevada | 1325 | Comment | ||
SJSU9529 | Eriogonum nudum var. deductum | J. W. Tilden | 1960-6-27 | 1492 | Lassen | Westwood | 1524 | Comment | ||
SEINET5330904 | Eriogonum nudum var. deductum | M. J. Williams, G. H. True; J. T. Howell | 1973-6-28 | 73 -EV-1 | Lassen | Elysian Valley. | 1372 | Comment | ||
CAS-BOT-BC261446 | Eriogonum nudum var. nudum | Mike Vasey | 1990-6-30 | 9056 | Lassen | Ash Valley, along primitive road south of junction of Ash Valley Road and Spooner Road. Modoc National Forest | 1500 | Comment | ||
OBI76967 | Eriogonum nudum var. pubiflorum | Anthony Baniaga | 2011-8-3 | 484 | Lassen | Lassen Natl Forest. Along hwy 44, @ of 31N21. Pine Crk Valley quad T31N R8E sec 10 SE of SE | 1800 | Comment | ||
SEINET523073 | Eriogonum ochrocephalum var. ochrocephalum | Paul Opler | 2002-6-22 | Lassen | US 395, 1 mi. S. Hallelotah junction. | Comment | ||||
UC1609436 | Eriogonum ovalifolium var. nivale | Vernon H. Oswald and Lowell Ahart | 1993-6-28 | 5591 | Lassen | Harvey Valley Rd.(33N02) 1.7 mi n Hwy 44 (e of Poison Lake, e side of Grays Valley); Grays Valley | 1719 | Comment | ||
CHSC60839 | Eriogonum ovalifolium var. purpureum | Vernon H. Oswald; Lowell Ahart | 1993-6-28 | 5591 | Lassen | Harvey Valley Rd. (33N02), 1.7 mi N of Hwy 44, E side of Grays Valley, E of Poison Lake. Edge of a vernal pool in a meadow. | 1719 | Comment | ||
RSA0030656 | Eriogonum ovalifolium var. purpureum | Anthony Baniaga | 2011-7-9 | 439 | Lassen | Lassen National Forest. Windy Hollow. Pine Creek Valley quadrangle. | 1716 | Comment | ||
HSC30039 | Eriogonum spergulinum var. reddingianum | D. H. Norris, Thomas W. Nelson, S. Dowty | 1971-6-22 | 19162 | Lassen | 3 mi. N of Westwood | Comment | |||
POM203845 | Eriogonum spergulinum var. reddingianum | J. T. Howell | 1934-7-6 | 12446 | Lassen | Harvey Valley | Comment | |||
CAS-BOT-BC272624 | Eriogonum spergulinum var. reddingianum | John Thomas Howell | 1974-7-9 | 50490 | Lassen | NW. of Wildcat Point, Eagle Lake | Comment | |||
CHSC87118 | Eriogonum sphaerocephalum var. halimioides | L. P. Janeway | 2001-6-20 | 7200 | Lassen | Modoc Plateau. Along '22' Road about 1.8 km west of Black Hole, about 11.9 km north-northeast of Harvey Mountain. | 1500 | Comment | ||
NY283175 | Eriogonum strictum subsp. proliferum | W. W. Eggleston | 1911-7-7 | 7173 | Lassen | Secret Valley | 1330 | Comment | ||
CHSC106067 | Eriogonum strictum var. anserinum | Lowell Ahart; John Dittes | 2010-7-31 | 16989 | Lassen | About 2,300 feet north of where the road crosses Hunsinger Draw, 1.9 miles (air) northwest of Moll Reservoir, 2.8 miles (air) west of Ash Valley, 8.4 miles (air) southeast of Adin. | 1510 | Comment | ||
JEPS93829 | Eriogonum strictum var. anserinum | Vernon H. Oswald and Lowell Ahart | 1998-6-4 | 9147 | Lassen | s of Constantia (Spur road on n side of Red Rock Road 0.6 mi e of Highway 395); Red Rock Road | 1389 | Comment | ||
NY762353 | Eriogonum strictum var. anserinum | J. T. Howell | 1934-7-7 | 12478 | Lassen | Harvey Valley | 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 | |||
HSC63564 | Eriogonum strictum var. anserinum | Thomas W. Nelson, Jane P. Nelson | 1980-7-6 | 6033 | Lassen | Ash Valley along rd. branching off Adin-Madeline Rd. 2.5 mi. from jct. | 1555 | Comment | ||
CAS-BOT-BC262769 | Eriogonum strictum var. proliferum | H. D. Ripley; R. C. Barneby | 1943-6-13 | 5711 | Lassen | South of Johnstonville | 1325 | Comment | ||
RSA782634 | Eriogonum umbellatum | Elizabeth A. Kempton, Tim Tibault | 2006-7-29 | 418 | Lassen | Town of Chester. Vacant lot at intersection of Willow Way and Main Street | 1388 | Comment | ||
CAS-BOT-BC267887 | Eriogonum umbellatum | Clarence R. Quick | 1962-8-3 | 62 -89 | Lassen | Delasmutt Ranch, Hw. 44, nr. Susanville-Old Station, along dirt road to Blacks Mt. E.F. Hdqtrs. | 1615 | Comment | ||
UC161881 | Eriogonum umbellatum var. modocense | T. S. Brandegee | 1892-7-1 | Lassen | Susanville | Comment | ||||
CAS-BOT-BC265094 | Eriogonum umbellatum var. nevadense | Ira L. Wiggins; Dorothy B. Wiggins | 1961-6-11 | 16361 | Lassen | Near NE end of Eagle Lake | Comment | |||
CAS-BOT-BC265096 | Eriogonum umbellatum var. nevadense | Louella Bass | 1980-5-1 | s.n. | Lassen | South side of Janesville on Hwy. 395, Sierra Nevada | Comment | |||
CAS-BOT-BC265099 | Eriogonum umbellatum var. nevadense | Mrs. E. C. Van Dyke | 1931-6-13 | s.n. | Lassen | Kelly Camp, Mt. Lassen Natl. Park | Comment | |||
CHSC93680 | Eriogonum umbellatum var. nevadense | Lowell Ahart; John Dittes | 2005-6-2 | 11980 | Lassen | North side of a poor dirt road, Long Valley, about 4 1/2 miles (air) northeast of the intersection of Scott Road and Highway 70, 5.7 miles (air) northwest of Hallelujah Junction. | 1410 | Comment | ||
OBI75886 | Eriogonum umbellatum var. nevadense | Anthony Baniaga | 2011-7-1 | 413 | Lassen | BLM. Fort Sage MTs OHV area, E of Doyle. Quad | 1638 | Comment | ||
RSA715993 | Eriogonum umbellatum var. nevadense | L. Ahart, John Dittes | 2005-6-2 | 11980 | Lassen | North side of a poor dirt road, Long Valley, about 4.5 mi. (air) northeast of the intersection of Scott Rd. and Highway 70, 5.7 mi. (air) northwest of Halleluiah Junction. | 1411 | Comment | ||
SD52313 | Eriogonum umbellatum var. nevadense | F. Stephens | 1894-7-7 | 9210 | Lassen | Pete's Valley | Comment | |||
UC1483832 | Eriogonum umbellatum var. nevadense | G. Schoolcraft | 1979-7-5 | 126 | Lassen | 5.2 mi. from Horne Ranch Road (intersection up Observation Lookout Road) | 2286 | Comment | ||
POM105077 | Eriogonum umbellatum var. polyanthum | Marcus E. Jones | 1897-6-25 | s.n. | Lassen | Susanville. | 1341 | Comment | ||
RSA766453 | Eriogonum ursinum | C. Epling, Wm. Robinson | 1935-7-17 | s.n. | Lassen | Chaos Crags, Lassen Park | Comment | |||
CAS-BOT-BC262359 | Eriogonum vimineum | Alice Eastwood; John Thomas Howell | 1940-6-16 | 8343 | Lassen | Janesville | Comment | |||
CHSC4953 | Eriogonum vimineum | R. Carter | 1967-6-27 | 561 | Lassen | Growing ca. 10 yds off n side of rd., 1.75 mi w of Eagle Lake Biology Station. | 1584 | Comment | ||
CHSC84440 | Eriogonum vimineum | Lowell Ahart | 2003-8-17 | 10516 | Lassen | On the west side of the paved road, on the east side of Highway 36, about 1/4 mile southwest of the Susan River, about 8 miles (air) southwest of Susanville. | 1433 | Comment | ||
JEPS117563 | Eriogonum vimineum | Lowell Ahart, John Dittes | 2010-7-31 | 17018 | Lassen | On the north side of the road, about 10 yards east of the large culvert, where the road crosses Hunsinger Draw, 1.9 miles (air) northwest of Moll Reservoir, 2.8 miles (air) west of Ash Valley, 8.4 miles (air) southeast of Adin | 1516 | Comment | ||
JEPS127353 | Eriogonum vimineum | Lowell Ahart, John Dittes | 2016-7-13 | 21132 | Lassen | 180 yards east of Stonebreaker Road, 0.6 miles south of County Road A-2, 5.3 miles (air) east of Bieber, 7.3 miles (air) southwest of Adin, hills at the southern slope of Big Valley. | Comment | |||
JEPS19807 | Eriogonum vimineum | Rimo Bacigalupi with S. Galen Smith | 1957-6-28 | 6011 | Lassen | ne, along U.S. Hghway 395 Karlo (near headwaters of Secret Creek, n of Secret Valley and w of Rye Patch Canyon); Secret Creek | 1615 | Comment | ||
POM105137 | Eriogonum vimineum | Marcus E. Jones | 1897-6-18 | s.n. | Lassen | Chat. [also Chats, a former settlement] | 1524 | Comment Read comments Mar 6 2011 |
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RSA125290 | Eriogonum vimineum | Peter H. Raven, Otto T. Solbrig | 1958-6-17 | 13272 | Lassen | Along Hwy 395, 19.0 miles south of Ravendale | Comment | |||
SEINET11261381 | Eriogonum vimineum | Robert L. Johnson, Mikel R. Stevens | 2015-7-10 | 3924 | Lassen | 1.9 rd miles west of jct with Hwy 395 on Dawn Dr on E side of Shaffer Mountain. Ca 18 air mi ene of downtown Susanville.; 0 | 1545 | Comment | ||
UC1032292 | Eriogonum vimineum | H. S. Yates | 1936-8-11 | 6070 | Lassen | Baxter Creek Susanville Quadrangle, Baxter Creek | Comment | |||
UC1587101 | Eriogonum vimineum | G. Schoolcraft | 1991-7-31 | 2202 | Lassen | along Karlo Road about 1/2 mi e Hwy. 395 | 1356 | Comment | ||
UC526153 | Eriogonum vimineum | John Thomas Howell | 1934-6-10 | 11850 | Lassen | 4 mi s Omira | Comment | |||
CAS-BOT-BC262356 | Eriogonum vimineum | Margaret Williams; Louella Bass | 1972-10-22 | EV 1 | Lassen | Elysian Valley, northwest of Janesville | 1325 | Comment | ||
SDSU7202 | Eriogonum vimineum | D. F. Howe | 1960-9-21 | 2994 | Lassen | 2.0 Miles north of Janesville. | 1219 | Comment | ||
HSC95298 | Eriophorum gracile | Gordon Leppig, Tony LaBanca | 1997-6-29 | 531 | Lassen | Modoc National Forest, Blue Lake Ranch | 1970 | Comment | ||
JEPS96132 | Eriophorum gracile | Vernon H. Oswald and Lowell Ahart | 1996-6-24 | 7888 | Lassen | 2.5 mi. s. Eagle Lake (ca. 0.5 mi. e. of Eagle Lake Rd. (A1), e. side Papoose Meadows, Modoc Plateau); Modoc Plateau, Papoose Meadows | 1633 | Comment | ||
CAS-BOT-BC300339 | Eriophyllum | Mike Vasey | 1990-6-30 | 9058 | Lassen | Ash Valley, along primitive road south of junction of Ash Valley Road and Spooner Road. Modoc National Forest | 1500 | Comment | ||
JEPS126470 | Eriophyllum lanatum var. achilleoides | Lillie Pennington, Jillian Pastick, Rachael Payer, Andrea Stuemsky | 2015-7-14 | CA 350 -046 | Lassen | Drive North on Horse Lake Road. | Comment | |||
UC566757 | Eriophyllum lanatum var. achilleoides | Loyd Swift | 1928-6-12 | Lassen | Halls Flat Lassen National Forest, Halls Flat | Comment | ||||
CAS-BOT-BC301528 | Eriophyllum lanatum var. integrifolium | Ralph K. Gierisch | 1968-7-11 | 3355 | Lassen | Lassen National Forest. Highway 44 | 1737 | Comment | ||
CHSC59502 | Eriophyllum lanatum var. integrifolium | Mary Meyer | 1980-1-1 | Lassen | Several yards west of gravel pits. | 1615 | Comment | |||
JEPS29200 | Eriophyllum lanatum var. integrifolium | Lauramay T. Dempster | 1961-6-17 | 1677 | Lassen | about 8 mi n of Karlo Road junction with Hwy. 395 | 1584 | 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 | ||
UC1137628 | Eriophyllum lanatum var. integrifolium | A. Simontacchi | 1940-6-5 | 816 | Lassen | 8.3 mi wnw of Harvey Valley Ranger Station; Lassen National Forest, Halls Flat Quadrangle | Comment | |||
CHSC112978 | Eryngium alismifolium | Lowell Ahart; John Dittes | 2013-7-22 | 18879 | Lassen | Drainage filled with dirt from construction of a pond, 40 yards south of the man made pond, about 110 yards north of the four tall poles, Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. | 1267 | Comment | ||
UC1745690 | Eryngium alismifolium | Annetta M. Carter | 1945-9-30 | 1716 | Lassen | W side of Eagle Lake. About 3 mi. S of Spaldings where road crosses bridge over dry creek. | Comment | |||
JEPS66442 | Eryngium articulatum | L. R. Heckard and P. Rubtzoff | 1971-8-3 | 2703 | Lassen | 1.3 mi. w. of Pit R. bridge at Bieber | 1219 | Comment | ||
CAS-BOT-BC40726 | Erysimum capitatum | John Thomas Howell | 1934-6-14 | 12154 | Lassen | Warner Mountains. Near Lost Lake. | 2438 | Comment | ||
CHSC99238 | Erysimum repandum | Lowell Ahart; John Dittes | 2008-6-20 | 14900 | Lassen | About 100 yards south of where the levee road crosses Big Valley Canal, in Big Valley, about 4 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7 miles (air) northeast of Bieber. | 1263 | Comment | ||
CAS-BOT-BC55198 | Erysimum repandum | John Thomas Howell | 1977-6-23 | 52397 | Lassen | Northeast of Susanville on road to Eagle Lake. | Comment | |||
CHSC66267 | Erythranthe breweri | Vernon H. Oswald; Lowell Ahart | 1996-6-24 | 7866 | Lassen | Papoose Meadows located ca. 0.5 mi E of Eagle Lake Rd. (A1) and 2.5 mi S of Eagle Lake. Modoc Plateau. | 1633 | Comment | ||
CHSC68876 | Erythranthe lewisii | Vernon Oswald; Lowell Ahart | 1997-6-24 | 8616 | Lassen | South of Susanville on the north side of Diamond Mtn. at a springy slope with streamlets along Forest Rd. 29N42, 5.4 miles east of Gold Run Rd. (29N10), 0.7 mi east of Lassen NF boundary. | 1889 | Comment | ||
CAS-BOT-BC153610 | Erythranthe moniliformis | Louella Bass | 1973-6-17 | 124 | Lassen | Elysian Valley | Comment | |||
SEINET13723865 | Erythranthe moniliformis | Farris Farris | 1936-1 | Lassen | Diamond Mountain | 1829 | Comment | |||
CHSC5016 | Erythranthe primuloides | L. G. Bennett | 1967-7-14 | 173 | Lassen | 5.3 miles from the juction of Highway 44 and the Silver Lake rd. on Highway 44. | 1950 | Comment | ||
SEINET3836923 | Erythranthe primuloides | Marcus E. Jones | 1897-1 | Lassen | Near Pratville, Clear Creek | 1524 | Comment | |||
POM252826A | Erythranthe pulsiferae | A. A. Heller | 1938-6-22 | 15187 | Lassen | 1 mile south of Westwood. | 1524 | Comment | ||
POM260456 | Erythranthe pulsiferae | C. L. Hitchcock | 1940-5-26 | 6611 | Lassen | Lava beds ca 12 miles north of Fall River Mills (Shasta Co.) on Fall River. | 1372 | Comment | ||
CHSC60777 | Erythranthe suksdorfii | Vernon H. Oswald; Lowell Ahart | 1993-6-3 | 5486 | Lassen | Champs Flat Rd. (Lassen 105, Forest 32N28Y), 2.8 mi N of its junction with Lassen 21 (32N02) to Eagle Lake, on the W edge of Pine Creek Valley, between Poison Lake and Susanville. | 1731 | Comment | ||
CAS-BOT-BC403146 | Eschscholzia californica | Alice Eastwood; John Thomas Howell | 1940-6-16 | 8344 | Lassen | Janesville | Comment | |||
CAS-BOT-BC403150 | Eschscholzia californica | A. M. Vollmer; L. Beane | 1953-7-1 | 103 | Lassen | Along Halls Flat road, beginning 6 miles west of Susanville to McArthur | 1554 | Comment | ||
NY499985 | Eschscholzia californica | B. J. Ertter | 1987-7-24 | 7297 | Lassen | Ca. 3/4 mile east-northeast of Beckwourth Pass at end of old crumbling paved road | 1524.0 | Comment | ||
CAS-BOT-BC403149 | Eschscholzia californica | Elmer I. Applegate | 1923-9-30 | 4033 | Lassen | Constantia | Comment | |||
CAS-BOT-BC403152 | Eschscholzia californica | Mrs. H. C. Cantelow | 1935-6-8 | 926 | Lassen | 13 mi. W. of Bieber | Comment | |||
RSA59555 | Eschscholzia californica | E. K. Balls | 1950-5-22 | 14828 | Lassen | 1 mile S of Milford, Hwy 395. | 1280 | Comment | ||
RSA0086578 | Euphorbia | Bonnie C. Templeton | 1938-4-15 | s.n. | Lassen | Near Roscoe. | Comment | |||
CHSC64874 | Euphorbia spathulata | Vernon H. Oswald; Lowell Ahart | 1995-6-19 | 6881 | Lassen | Modoc Plateau. Between Litchfield and Ravendale on Smoke Creek Ranch Rd., 0.3 mi e of Hwy. 395. | 1383 | Comment | ||
JEPS94086 | Euthamia occidentalis | Vernon H. Oswald and Lowell Ahart | 1998-9-8 | 9579 | Lassen | Ash Creek and Big Swamp 2.2 mi. n. Bieber (on County Rd. 91 (Bieber-Lookout Rd.)); Ash Creek and Big Swamp | 1258 | Comment | ||
UC1192257 | Euthamia occidentalis | Malcolm A. Nobs, S. Galen Smith | 1949-8-20 | 1488 | Lassen | 1 mi s of Doyle; Long Creek | Comment | |||
UCD98885 | Fallopia convolvulus | R. N. Raynor | 1938-7-16 | s.n. | Lassen | Clark Dairy Ranch, 3 mi. SE Susanville. | Comment | |||
CAS-BOT-BC278429 | Festuca idahoensis | Marcus E. Jones | 1897-6-30 | s.n. | Lassen | Eagle Lake, 27 miles from Susanville | 1524 | Comment | ||
CAS-BOT-BC278431 | Festuca idahoensis | John Thomas Howell | 1934-7-6 | 12448 | Lassen | Harvey Valley | Comment | |||
UCD65975 | Festuca idahoensis | L. Whitney | 1933-8-3 | Lassen | Halls Flat. | Comment | ||||
UCD66089 | Festuca idahoensis | Al Franklin | 1987-7-6 | 87 -26 | Lassen | Eagle Lake Field Station, east shore of Eagle Lake, N of Susanville. | 1584 | Comment | ||
CAS-BOT-BC278433 | Festuca idahoensis | Clarence R. Quick | 1962-6-17 | 62 -30 | Lassen | Western Pacific RR., S. of Halls Flat, Susanville-Pittville road near Blacks Mt. Experimental Station | 1706 | Comment | ||
OBI75881 | Festuca myuros | Anthony Baniaga | 2011-6-30 | 406 | Lassen | Lassen Natl Forest. E of 29N03. Fredonyer Pass quad. T29N R10E sec 24 NW of NE | 1460 | Comment | ||
UC53432 | Festuca pratensis | M. S. Baker and Frank Nutting | 1894-6-30 | Lassen | Big Valley | Comment Read comments Jun 24 2009 |
||||
CHSC92651 | Festuca rubra | L. P. Janeway | 2005-7-3 | 8460 | Lassen | High Cascade Range. At junction of Road 22 and Road 35N40; 4.0 air km north-northwest of Blacks Ridge Lookout Tower. | 1523 | Comment | ||
CAS-BOT-BC278931 | Festuca rubra | George W. Gillett | 1957-7-29 | 947 | Lassen | Lassen Volcanic National Park. Along trail between Butte Lake and Snag Lake | 1859 | Comment | ||
UC1130345 | Floerkea proserpinacoides | Robert W. Gardner | 1937-6-14 | G 4 | Lassen | Burgess Spring Experiment Range | 1798 | Comment | ||
CHSC66397 | Frangula rubra | Vernon H. Oswald; Lowell Ahart | 1996-6-17 | 7779 | Lassen | Bizz Johnson Trail accessed at Devils Corral Trailhead located off of Hwy. 36 ca. 7 mi W of Susanville. Shrub growing in openings on a brushy slope on the N side of Hwy. 36 between the trail and highway bridges spanning the Susan River. | 1432 | Comment | ||
RSA523910 | Frasera albicaulis | Gordon H. True Jr. | 1936-6-25 | 539 | Lassen | East of Harvey Ranger Station, Harvey Valley. | 1768 | Comment | ||
HSC21366 | Fremontodendron californicum | J. J. Wagoner | 1965-4-30 | 49 | Lassen | 16 mi. W of Child's Meadow, along Hwy. 36 | Comment | |||
HSC26683 | Fritillaria atropurpurea | D. H. Norris, Thomas W. Nelson, S. Dowty | 1971-6-22 | 19251 | Lassen | Harvey Valley near Cone Springs | Comment | |||
UC1134588 | Fritillaria atropurpurea | A. Simontacchi | 1940-6-13 | 773 | Lassen | 3.4 mi wsw of Patterson Mountain (Lassen National Forest); Lassen National Forest | 1737 | Comment | ||
CAS-BOT-BC504438 | Fritillaria atropurpurea | John Thomas Howell; Gordon H. True; Wayne Dakan | 1974-7-30 | 50694 | Lassen | South and southeast of Diamond Mt., Sierra Nevada | 2286 | Comment | ||
RSA367755 | Fritillaria recurva | J. P. Smith, J. O. Sawyer | 1972-5-6 | 5235 -a | Lassen | Lassen National Forest; Boundary Campground on State Route 89 south of Burney | 1067 | Comment | ||
RSA180586 | Gaillardia aristata | T. C. Fuller | 1965-8-25 | 14036 | Lassen | East side of Hwy. 395 to Doyle, 2.4 miles north of Hallelujah Junction | Comment | |||
CHSC36475 | Galium aparine | Margaret E. Holloran | 1982-6-6 | 14 | Lassen | N of Eagle Lake Field Station on a point directly E of Pelican Pt. | Comment | |||
HSC63933 | Galium bifolium | Teresa Prendusi | 1980-7-21 | Lassen | Fredonyer Peak | 2195 | Comment | |||
CDA42121 | Galium boreale subsp. septentrionale | L. Ahart, John Dittes | 2005-6-2 | 11981 | Lassen | North side of a poor dirt road, Long Valley, about 4 1/2 miles (air) northeast of the intersection of Scott Road and Highway 70, 5.7 miles (air) northwest of Hallelujah Junction. | Comment | |||
CHSC93556 | Galium boreale subsp. septentrionale | Lowell Ahart; John Dittes | 2005-6-2 | 11981 | Lassen | Long Valley, north side of a poor dirt road, about 4 1/2 miles (air) northeast of the intersection of Scott Road and Highway 70, 5.7 miles (air) northwest of Hallelujah Junction. | 1410 | Comment | ||
POM68457 | Galium mexicanum subsp. asperulum | Marcus E. Jones | 1897-6-25 | s.n. | Lassen | Susanville. | 1341 | Comment | ||
UC1523797 | Galium multiflorum | Gary Schoolcraft | 1982-6-22 | 747 B | Lassen | Ft. Sage Mtns. | 1767 | Comment | ||
UC157915 | Galium multiflorum | Milo S. Baker | 1890-1 | Lassen | Milford | Comment | ||||
CDA42206 | Galium trifidum | Gordon Leppig and T. LaBanca | 1997-6-29 | 540 | Lassen | Blue Lake Ranch; Modoc National Forest. | Comment | |||
CHSC60407 | Galium trifidum var. pacificum | Mary Ann Showers | 1992-6-13 | 2552 | Lassen | Lassen Volcanic National Park. Shoreline at western end of Widow Lake. | 2072 | Comment | ||
CHSC46121 | Gayophytum diffusum subsp. parviflorum | Lowell Ahart; John Thomas Howell | 1974-7-9 | 523 | Lassen | Along Eagle Lake Road, near the south edge of Eagle Lake. | 1584 | Comment | ||
UC1122615 | Gayophytum humile | A. Simontacchi | 1940-6-6 | 821 A | Lassen | 10.1 mi se Nigger Cabin; Lassen National Forest, Halls Flat Quadrangle | Comment | |||
CHSC93686 | Gayophytum racemosum | Lowell Ahart; John Dittes | 2005-6-1 | 11884 | Lassen | Along a poor dirt road, west of Scott Road, Long Valley, about 2 1/2 miles (air) northwest of the intersection of Scott Road and Highway 70, 4.0 miles (air) northwest of Hallelujah Junction. | 1438 | Comment | ||
RSA271916 | Gayophytum ramosissimum | Christopher Davidson | 1975-6-7 | 2759 | Lassen | 1 mi E of Beckwourth Pass on Hwy 70. | 1524 | Comment | ||
UC1536822 | Gayophytum ramosissimum | Gordon H. True Jr. | 1938-7-9 | 908 | Lassen | near Termo; Madeline Plains | 1524 | Comment | ||
CHSC66725 | Gentiana calycosa | Vernon H. Oswald; Lowell Ahart | 1996-8-1 | 8119 | Lassen | Forest Rd. 28N56 (D-Line) ca. 2 mi N of Dyer Mtn. Lookout, SSW of Westwood | 1737 | Comment | ||
UC1037229 | Geranium viscosissimum | Leo Whitney | 2007 | Lassen | ca 8 mi nw Eagle Lake; Lassen National Forest, Slate Creek | 1920 | Comment | |||
RSA0029585 | Geranium viscosissimum var. nervosum | Bruce Bartholomew, B. Anderson | 1988-6-25 | 4372 | Lassen | Long Valley, southern end of the Warner Mountains | 2080 | Comment | ||
JEPS44857 | Geum aleppicum | W. L. Jepson | 1918-8-4 | 7810 | Lassen | Horse Lake | 1554 | Comment | ||
UC1037208 | Geum macrophyllum var. perincisum | Leo Whitney | 1933-8-14 | 1568 | Lassen | 8 mi nw of Eagle Lake (Lassen National Forest, Slate Creek); Lassen National Forest, Slate Creek | 1920 | Comment | ||
CHSC89723 | Geum triflorum | L. P. Janeway | 2004-6-26 | 8155 | Lassen | High Cascade Range. About 1.3 km west-southwest of Patterson Flat, at junction of Roads 35N08 and 34N20, in Blacks Mountain Experimental Forest. | 1750 | Comment | ||
UC1609243 | Geum triflorum | Vernon H. Oswald and Lowell Ahart | 1993-6-28 | 5603 | Lassen | ne of Poison Lake (Road 35N04 at Aspen Well, n of Hwy 44 on the nw edge of Harvey Valley); Harvey Valley, Aspen Well | 1725 | Comment | ||
RSA122289 | Geum triflorum var. ciliatum | K. e. Bradshaw | 1939-5-27 | 25210 | Lassen | Near S end of Black Mtn EF Plot 39-4. | 1738 | Comment | ||
UCD117609 | Gilia brecciarum | Grady L. Webster | 1989-5-13 | 7706 | Lassen | 2.5 miles east of Beckworth Pass. | 1493 | Comment | ||
JEPS87404 | Gilia capillaris | Vernon H. Oswald and Lowell Ahart | 1993-6-28 | 5616 | Lassen | on Rd 33N06 n Hwy 44 (sse flank of mt., nne of Burgess Meadow, ne of Poison Lake); Harvey Mtn. | 1798 | Comment | ||
CHSC106676 | Gilia inconspicua | B. Ignacio | 2008-5-3 | Lassen | Fort Sage Mountains. | 1520 | Comment | |||
JEPS94702 | Gilia inconspicua | Vernon H. Oswald and Lowell Ahart | 1998-5-22 | 9107 | Lassen | 5 mi nne of Doyle (Road to ORV parking area in Fort Sage Mountains, 0.5 mi e of Fort Sage Road); Fort Sage Mountains | 1371 | Comment | ||
SEINET14644567 | Gilia inconspicua | P. B. Kennedy | 1901-6-10 | s.n. | Lassen | Constantia, railroad station. | Comment | |||
CHSC93696 | Gilia modocensis | Lowell Ahart; John Dittes | 2005-6-2 | 11989 | Lassen | Along a small wash, west side of a poor dirt road, Long Valley, about 4 1/2 miles (air) northeast of the intersection of Scott Road and Highway 70, 6.0 miles (air) northwest of Hallelujah Junction. | 1427 | Comment | ||
RSA95716 | Gilia modocensis | Verne Grant | 1955-6-8 | 9666 | Lassen | c. 2 miles north of Doyle. | 1311 | Comment Read comments May 2 2012 |
||
SD131882 | Gilia salticola | Barbara Ertter, Gary Schoolcraft | 1987-6-16 | 7189 | Lassen | Skeedaddle Mountains on northeast side of Honey Lake, talus slopes at base of rimrock on south side of Hot Springs VABM | 2286 | Comment | ||
JEPS109641 | Gilia sinistra subsp. sinistra | Dean W. Taylor | 2002-6-21 | 18171 | Lassen | Highway 139 ca. 10 miles N of Susanville, ca. 1 mile south of the southerly end of Willow Creek Valley | 1524 | Comment | ||
CHSC25915 | Gilia sinuata | K. R. Stern | 1967-7-1 | 2437 | Lassen | Murrer Meadow Road, ca. 2.5 mi SE of Eagle Lake Biology Station. | 1554 | Comment | ||
CHSC71242 | Gilia sinuata | Vernon H. Oswald; Lowell Ahart | 1998-6-4 | 9146 | Lassen | Spur road on north side of Red Rock Rd. 0.6 mi east of Hwy. 395, south of Constantia. | 1389 | Comment | ||
JEPS96135 | Glyceria borealis | Vernon H. Oswald and Lowell Ahart | 1996-6-24 | 7872 | Lassen | Papoose Meadows located 2.5 mi s of Eagle Lake (and 0.5 mi e of Eagle Lake Road, in Papoose Creek where it leaves the n end of meadow); Modoc Plateau, Papoose Meadows, Papoose Creek | 1633 | Comment | ||
RSA126642 | Glyceria borealis | H. S. Yates | 1936-8-12 | 6083 | Lassen | McKenzie Meadow. | 1524 | Comment | ||
CAS-BOT-BC280599 | Glyceria elata | John Thomas Howell; Gordon H. True | 1973-8-1 | 50184 A | Lassen | Gold Run Creek road south of Susanville, Diamond Range | 1584 | Comment | ||
CHSC113079 | Gnaphalium palustre | Lowell Ahart; John Dittes | 2013-7-22 | 18861 | Lassen | Drainage filled with dirt from construction of a pond, about 30 yards south of the man made pond, about 120 yards north of the four tall poles, Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. | 1267 | Comment | ||
JEPS121245 | Gnaphalium palustre | Lowell Ahart, John Dittes | 2013-7-22 | 18861 | Lassen | 30 yards S of the man-made pond, about 120 yards N of the four tall poles, Ash Creek Wildlife Area, about 5.5 air miles NE of Bieber, Big Valley. | Comment | |||
POM38258 | Gnaphalium palustre | Marcus E. Jones | 1897-6-18 | s.n. | Lassen | Chat. [also Chats, a former settlement] | 1524 | Comment | ||
UC1483835 | Gnaphalium palustre | G. Schoolcraft | 1980-7-22 | Lassen | nw of BLM fire station (along Hwy 395) | 1630 | Comment | |||
UC1536868 | Gnaphalium palustre | G. H. True Jr. | 1938-7-14 | 956 | Lassen | near Janesville | 1280 | Comment | ||
CHSC117521 | Gratiola ebracteata | Lowell Ahart; John Dittes | 2016-7-13 | 21129 | Lassen | Nortewest edge of the pond, 30 yards east of Stonebreaker Road, 0.6 miles south of County Road A-2, 5.3 miles (air) east of Bieber, 7.3 miles (air) southwest of Adin, hills at the southern slope of Big Valley. | 1289 | Comment | ||
CHSC60414 | Gratiola ebracteata | Mary Ann Showers | 1992-6-13 | 2543 | Lassen | Shoreline at western end of Widow Lake. Lassen Volcania National Park. | 2072 | Comment | ||
CDA23424 | Grayia spinosa | S. E. Piper | 1943-7-2 | Lassen | 0.5 mile east of Herlong. | 0 | Comment | |||
CHSC36464 | Grayia spinosa | Jeffrey R. Peek | 1982-6-1 | 25 | Lassen | Ca. 10 yds e of Ravendale Rd, e of Horse Lake. | Comment | |||
JEPS124631 | Grindelia nana | Virginia Hardham | 1965-7-13 | 132 | Lassen | Along roadside 1.4 mi past junction of As and 299. | Comment | |||
RSA719893 | Gypsophila paniculata | Michael A. Vincent, K. Levings | 2006-7-29 | 112911 | Lassen | Along Rt. 395, ca. 6 miles SE of Johnstonville. | Comment | |||
UCD98138 | Gypsophila paniculata | T. C. Fuller | 1963-7-16 | 10923 | Lassen | Janesville. | Comment | |||
UCD98139 | Gypsophila paniculata | T. C. Fuller | 1963-7-16 | 10923 | Lassen | Janesville. | Comment | |||
SEINET3818101 | Habenaria leucostachys | A. A. Heller | 1938-1 | Lassen | Comment | |||||
SEINET4173700 | Habenaria leucostachys | Marcus E. Jones | 1897-1 | Lassen | Comment | |||||
CAS-BOT-BC231157 | Hackelia cusickii | Mrs. A S. Baldwin | 1927-5-19 | s.n. | Lassen | Lava beds | Comment | |||
JEPS67931 | Hackelia micrantha | Jos. Grinnell | 1928-6-29 | Lassen | Butte Lake | 1889 | Comment | |||
UCD98902 | Halogeton glomeratus | R. Tofsrud; J. M. Tucker | 1950-7-26 | 1978 | Lassen | Herlong Army Ordnance Depot, southeastern Lassen County. | Comment | |||
SEINET10904891 | Haplopappus bloomeri | Taylor | 1982-8-27 | Taylor 5054 | Lassen | T24N R17E sw/sw sec 7. Constantia quad. Crystal Peak summit area, Diamond Mts, ca. 6 air mi sw of Doyle. 7800 ft. | Comment | |||
SBBG8396 | Helianthella californica | H. and M. Dearing | 1938-7-1 | 2246 | Lassen | near Westwood | Comment | |||
SJSU8893 | Helianthella californica var. nevadensis | W. Savage | 1971-7-20 | 723 | Lassen | c. 2 mi N of Milford near W side Honey L | 1264 | Comment | ||
UC32278 | Helianthus annuus | Baker and Nutting | 1894-7-2 | Lassen | Comment | |||||
CDA18385 | Helianthus bolanderi | G. D. Barbe | 1978-8-31 | 2424 | Lassen | Modoc National Forest; Hwy 139, NW of Willow Creek Guard Station, Modoc National Forest, 3.6 mi SE of Co Rd A2 to Bieber, 6 mi S of Adin (Modoc Co.). | Comment | |||
UC727121 | Helianthus cusickii | A. A. Heller | 1938-6-23 | 15209 | Lassen | along Hwy 395 on ridge n Mapes | Comment | |||
CAS-BOT-BC305663 | Helianthus cusickii | Elmer I. Applegate | 1934-5-4 | 8927 | Lassen | South of Secret Valley | Comment | |||
RSA38474 | Helianthus cusickii | P. A. Munz | 1947-5-19 | 11868 | Lassen | 27.7 miles south of Ravendale. | 1311 | Comment | ||
HSC68922 | Heliotropium curassavicum var. oculatum | Gary Schoolcraft | 1980-7-10 | 303 | Lassen | E shore of Eagle Lake | 1555 | Comment | ||
JEPS94967 | Hemizonella minima | Vernon Oswald and Lowell Ahart | 1997-6-24 | 8592 | Lassen | s of Susanville (1.2 mi e of Gold Run Road (29N10), on the n side of Diamond Mountain on Forest Road 29N43); Diamond Mountain, Forest Road 29N43 | 1685 | Comment | ||
SEINET11119304 | Heracleum lanatum | C. G. Gulling | 1905-1 | s.n. | Lassen | Big Meadows. | Comment | |||
UC1776662 | Heracleum lanatum | G. Schoolcraft | 1994-8-2 | 2404 | Lassen | About 1 mile W of Boot Lake | 2133 | Comment | ||
HSC65632 | Hesperochiron californicus | J. P. Smith, J. O. Sawyer | 1971-5-23 | 4661 | Lassen | Along Hwy. 139, 15 mi. S of jct. with rd. to Thermo | Comment | |||
UC1069087 | Hesperochiron californicus | A. Simontacchi | 1940-5-17 | 740 | Lassen | 5.9 mi. s. Patterson Mt.; Lassen Nat'l Forest, Halls Flat Quad. | Comment | |||
UC1137714 | Hesperochiron pumilus | L. R. Short | 1936-4-28 | S- 329 | Lassen | Lassen Forest, Harvey Valley | 1706 | Comment | ||
CAS-BOT-BC180030 | Hesperochiron pumilus | E. K. Balls | 1950-5-19 | 14770 | Lassen | Ash Creek Public Camp, off rd. from Adin to Madeline. | Comment | |||
CHSC65038 | Hesperolinon micranthum | Vernon H. Oswald; Lowell Ahart | 1995-7-5 | 6957 | Lassen | Modoc Plateau. North of Honey Lake on Smoke Creek Ranch Rd., 4.0 mi e of Hwy. 395. | 1383 | Comment | ||
POM87378 | Hesperolinon micranthum | Marcus E. Jones | 1897-6-26 | s.n. | Lassen | Susanville, Perkin s Ranch. | 1463 | Comment | ||
POM87379 | Hesperolinon micranthum | Marcus E. Jones | 1897-6-24 | s.n. | Lassen | 10 to 15 miles west from Amedee. | 1220 | Comment | ||
UCD85294 | Hesperostipa comata | Beecher Crampton | 1954-7-6 | 2068 | Lassen | an sagebrush flat, along US Hwy 395, 1 mile east of Johnstonville. | Comment | |||
CHSC60795 | Hesperostipa comata subsp. comata | Vernon H. Oswald; Lowell Ahart | 1993-6-14 | 5542 | Lassen | Eagle Lake Rd. (Lassen A1) at Sandy Beach on the W shore of Eagle Lake, ca. 2.0 mi ENE of Spaulding Tract Rd. (Rd. 518, 33N89). On the N side of the road. | 1566 | Comment | ||
CAS-BOT-BC310910 | Heterotheca villosa | Margaret Williams | 1974-7-27 | 74- 61 -61 | Lassen | West of Hwy 395 and south of Hwy 70. Near Hallelujah Junction | 1493 | Comment | ||
RSA783327 | Heterotheca villosa var. minor | R. R. Halse | 2010-8-26 | 8091 | Lassen | Along State Hwy 70 at Beckwourth Pass ca. 4.3 miles west of its junction with US Hwy 395 or 1.6 miles east of Sierra Valley. | 1584 | Comment | ||
RSA0009648 | Heterotheca villosa var. minor | Marcus E. Jones | 1897-6-18 | s.n. | Lassen | Chat | Comment | |||
NY783480 | Heuchera rubescens | G. Schoolcraft | 1984-6-5 | 1197 | Lassen | In Wendel Canyon | 1554.5 | Comment | ||
CAS-BOT-BC312311 | Hieracium | Marcus E. Jones | 1897-6-25 | s.n. | Lassen | Susanville | 1341 | Comment | ||
CAS-BOT-BC312418 | Hieracium albiflorum | John Thomas Howell; Gordon H. True | 1973-8-1 | 50220 | Lassen | Headwaters of Baxter Creek, east slope of Diamond Range south of Susanville | 2164 | Comment | ||
JEPS28670 | Hieracium albiflorum | George W. Gillett | 1957-7-24 | 895 | Lassen | dry flats between Cameron Meadow and Snag Lake; Lassen Volcanic National Park | 1950 | Comment | ||
UC92024 | Hieracium albiflorum | unknown | 1892-7-26 | Lassen | Milford | Comment | ||||
CHSC98320 | Hieracium greenei | B. Castro; L. P. Janeway | 2005-7-10 | 1505 | Lassen | Northern High Sierra Nevada. Ca 1-2 mi E of Westwood, on N side of Hwy 36. In flat open ridge area within Jeffrey pine/Pondersosa pine forest. Township/Range approximate location. | 1566 | Comment | ||
CAS-BOT-BC315994 | Hieracium nudicaule | A. A. Heller | 1938-7-28 | 15301 | Lassen | Edge of a swamp about a mile east of Westwood | 1524 | Comment | ||
UCD85479 | Hordeum brachyantherum | L. Whitney | 1933-8-2 | s.n. | Lassen | Near Slate Creek. | 1889 | Comment | ||
UC1024652 | Hordeum brachyantherum subsp. brachyantherum | Leo Whitney | 1933-8-2 | 2202 | Lassen | ca 8 mi nw Eagle Lake (Slate Creek); Lassen National Forest, Slate Creek | 1920 | Comment | ||
CAS-BOT-BC284715 | Hordeum jubatum | John Thomas Howell | 1976-7-20 | 52034 | Lassen | About 5 miles west of Fredonyer Pass near confluence of Susan River and Willard Creek | 1432 | Comment | ||
RSA123433 | Hordeum jubatum | H. S. Yates | 1936-8-11 | 6075 | Lassen | Baxter Creek | 1280 | Comment | ||
CAS-BOT-BC289573 | Hordeum marinum subsp. gussoneanum | John Thomas Howell | 1974-7-10 | 50533 A | Lassen | Elysian Valley, Sierra Nevada | 1325 | Comment | ||
UCD55288 | Hordeum murinum subsp. glaucum | Ellen Dean; Gary Schoolcraft | 2006-5-16 | 3107 | Lassen | East of town of Susanville, along County Road A27 (Center Road). Private land north of California Correctional Facility owned by Virginia Johnston, to be purchased by state for expansion of alfalfa fields. | 1244 | Comment | ||
CAS-BOT-BC284896 | Hordeum murinum subsp. leporinum | John Thomas Howell | 1973-7-10 | 49801 | Lassen | Susanville | 1295 | Comment | ||
JEPS44575 | Horkelia fusca subsp. tenella | C. S. Robinson | 1930-7-20 | 37 | Lassen | near Westwood Jct.; Norval Flat, Lassen Forest | 1747 | Comment | ||
CAS-BOT-BC537887 | Horkelia tridentata var. flavescens | G. S. Crew | 1927-6-25 | 24 | Lassen | Lassen Forest, Norval Flat | 1747 | Comment | ||
CAS-BOT-BC55478 | Hornungia procumbens | Arnold Tiehm | 1980-5-29 | 5749 | Lassen | North end of Honey Lake Valley, just north of Hot Springs 1.1 air miles north northwest of Wendel. | 1231 | Comment | ||
CHSC66387 | Hosackia oblongifolia var. oblongifolia | Vernon H. Oswald; Lowell Ahart | 1996-6-17 | 7818 | Lassen | Modoc Plateau. Bizz Johnson Trail accessed at Devils Corral Trailhead located of Hwy. 36 ca. 7 mi W of Susanville. Growing on the edge of a marshy pool at the 6.0 mile post of Devils Corral Trailhead. | 1420 | Comment | ||
CHSC61156 | Hydrophyllum capitatum var. alpinum | Vernon H. Oswald; Lowell Ahart | 1993-5-12 | 5378 | Lassen | Canal crossing Hwy. 44, 3.5 mi NW of A21 (to Westwood), at a large, meadowy flat. | 1729 | Comment | ||
RSA294534 | Hymenolobus procumbens | A. Tiehm | 1980-5-29 | 5749 | Lassen | North end of Honey Lake Valley, just N of Hot Springs 1.1 air mile NNW of Wendel. | 1232 | Comment | ||
RSA370316 | Hymenolobus procumbens | A. Tiehm, Margaret J. Williams, Gary Schoolcraft | 1986-5-12 | 10350 | Lassen | 1 road mile west of the state line on dirt road from highway 395 to Smoke Creek, south side of Rush Creek. | 1341 | Comment | ||
CHSC4881 | Hypericum formosum var. scouleri | Bill Wilson | 1967-7-6 | 47 | Lassen | Collected at Upper Murrer Meadow, 2.5 mi. E of Eagle Lake Biological Station, 10 mi. N of Susanville. | 1524 | Comment | ||
SEINET11991644 | Hypericum formosum var. scouleri | Unknown | 1978-1 | 16 | Lassen | Papoose Creek, S of Gallatin Beach on Eagle L | 1585 | Comment | ||
CHSC7179 | Idahoa scapigera | Lynn R. Thomas | 1969-4-17 | 101 | Lassen | E edge of Rice Canyon Rd., 4 mi. n of junction with 'back road to Litchfield;' ca. 12 mi e of Susanville. | 1310 | Comment | ||
CHSC7707 | Idahoa scapigera | Beverley J. Wise | 1969-4-10 | 37 | Lassen | 1.5 mi. north on Hwy 139. | 1341 | Comment | ||
SEINET10970448 | Idahoa scapigera | Jeffrey Huber | 1971-6-2 | Huber 103 | Lassen | 4 mi. S. Of adin along calif. Hwy. 139 In basalt-clay; valley floor in artemesia. | 1341 | Comment | ||
CHSC75730 | Iliamna bakeri | Vernon H. Oswald; Beth Corbin, Michael Dolan | 1999-7-10 | 9832 | Lassen | Blue Lake Rd. ca. 10 mi east of Madeline on the Meeks prescribed burn (1990). | 1859 | Comment | ||
CHSC81032 | Iliamna bakeri | Vernon H. Oswald | 2001-7-14 | 10050 | Lassen | Hwy 139 at the 11 mile post between Susanville and Eagle Lake. | 1706 | Comment | ||
NY52523 | Iliamna bakeri | G. Schoolcraft | 1983-8-3 | 1129 | Lassen | 5 miles w of Madeline | 1767.8 | Comment | ||
NY52525 | Iliamna bakeri | G. Schoolcraft | 1983-7-20 | 1101 | Lassen | SE slopes of Fredonyer[?] mtn. | 2011.7 | Comment | ||
HSC63937 | Ipomopsis aggregata | Teresa Prendusi | 1980-7-21 | Lassen | Fredonyer Peak. alongside rd. to lookout | 2317 | Comment | |||
UC1123846 | Ipomopsis aggregata | A. Simontacchi | 1940-7-1 | 884 | Lassen | 4.6 mi ssw Schoonamaker Lake; Lassen National Forest, Halls Flat Quadrangle | 1889 | Comment | ||
CHSC6203 | Ipomopsis aggregata subsp. formosissima | P. Balch | 1955-7-17 | Lassen | Eagle Lake. Mouth of Papoose Creek, near Gallatin Beach. | 1561 | Comment | |||
RSA18257 | Ipomopsis aggregata subsp. formosissima | Wolf | 1929-9-1 | 3785 | Lassen | Mt. Lassen National Park between Grassy Lake and Snag Lake | Comment | |||
RSA748951 | Ipomopsis congesta | J. R. Shevock, Barbara Ertter | 1986-7-20 | 11741 | Lassen | Ash Valley BLM Research Natural Area. Along Ash Valley Road about 16 miles W of Madeline and U.S. Hwy 395. | 1550 | Comment | ||
GMDRC6447 | Ipomopsis congesta subsp. congesta | J. M. Andre, Glenn Clifton | 1993-6-14 | 30000 | Lassen | northeast base of Shaffer Mtn near Secret Creek, about 20 miles ENE of Susanville | 1646 | Comment | ||
JEPS94604 | Ipomopsis congesta subsp. congesta | Vernon H. Oswald and Lowell Ahart | 1997-5-27 | 8493 | Lassen | w side of Hwy 139 s Willow Creek Guard Station (0.9 mi s of Forest Rd. 38N04 to Coyote Flat) | 1577 | Comment | ||
CHSC36461 | Iris missouriensis | Susan H. Euing | 1982-6-4 | 15 | Lassen | Ca. 3/4 mi n of Murrer's Upper Meadow. | Comment | |||
JEPS17345 | Iris missouriensis | W. L. Jepson | 1918-8-4 | 7811 | Lassen | Horse Lake | 1554 | Comment | ||
UCD138823 | Iris tenuissima | Michael A. Vincent | 1999-6-9 | 8586 | Lassen | Along US Rt. 44, ca. 1 mile west of Viola, 13 miles east of Shingletown. | 1524 | Comment | ||
UCD135760 | Isoetes bolanderi | John Thomas Howell | 1959-9-23 | 34891 | Lassen | Juniper Lake campground, Lassen Park. | 2057 | Comment | ||
CHSC59161 | Isoetes howellii | Vernon H. Oswald; Lowell Ahart | 1992-9-15 | 5215 | Lassen | Island Lake located N of Bonte Pk. And ca. 1.5 mi W of Juniper Lake campgrounds. | 2164 | Comment | ||
CHSC60804 | Isoetes howellii | Vernon H. Oswald | 1993-6-28 | 5622 | Lassen | N of Hwy. 44 along Rd. 33N47 at the NE end of Little Harvey Valley, between Champs Flat and Harvey Valley, E of Poison Lake. | 1737 | Comment | ||
CHSC68763 | Ivesia paniculata | Vernon H. Oswald; Lowell Ahart | 1997-5-27 | 8494 | Lassen | North of Susanville on Forest Route 38N04 (between Hwy. 139 near Willow Creek Guard Station and Coyote Flat), 0.1 mi east of Hwy. 139. On the north side of the creek paralleling the road. | 1546 | Comment | ||
HSC71700 | Ivesia paniculata | Gary Schoolcraft | 1981-8-18 | 564 | Lassen | 1585 | Comment | |||
JEPS94475 | Ivesia paniculata | Vernon H. Oswald and Lowell Ahart | 1997-5-27 | 8494 | Lassen | 0.1 mi e of Highway 139 (n of Susanville on Forest Route 38N04, between Hwy 139 near Willow Creek Guard Station and Coyote Flat, on n side of a creek paralleling the road); Forest Route 38N04 | 1546 | Comment | ||
RSA614443 | Ivesia paniculata | M. L. Carlson | 1996-6-11 | s.n. | Lassen | 16 miles southeast of Adin on County Road 527 | Comment | |||
SEINET6792604 | Ivesia paniculata | M. J. Williams | 1970-7-4 | 595 | Lassen | Near Ash Creek. | 1280 | Comment | ||
CAS-BOT-BC109935 | Juncus | John Thomas Howell | 1976-7-19 | 51988 | Lassen | Sierra Nevada. On Gold Creek southwest of Susanville. | 1386 | Comment | ||
UC1924587 | Juncus | Debra Valov | 2006-5-28 | 2006017 | Lassen | Bieber off County Rd A2 c. 8 km east of Hwy 299 | 1271 | Comment | ||
UC1100988 | Juncus balticus | Malcolm A. Nobs and S. Galen Smith | 1949-7-21 | 1062 | Lassen | 4 mi n Madeline | Comment | |||
JEPS88220 | Juncus brachyphyllus | Vernon H. Oswald and Lowell Ahart | 1996-6-17 | 7805 | Lassen | n side og Bizz Johnson Trail between Devils Corral Trailhead and 6.0 milepost (trailhead off Hwy 36 ca 7 mi w of Susanville); Modoc Plateau | 1420 | Comment | ||
HSC26016 | Juncus bryoides | F. J. Hermann | 1972-5-17 | 24752 | Lassen | 8 mi. W of Susanville | 1677 | Comment | ||
CHSC91305 | Juncus bufonius var. bufonius | Lowell Ahart; John Dittes | 2005-6-2 | 11957 | Lassen | Meadow, along a poor dirt road, about 1 mile east of the Anderson Ranch home, Long Valley, about 4 1/2 miles (air) north of the intersection of Scott Road and Highway 70, 6.0 miles (air) northwest of Hallelujah Junction. | 1425 | Comment | ||
UC1137590 | Juncus confusus | A. Simontacchi | 1940-7-3 | 918 | Lassen | 3.4 mi wsw Harvey Mtn. Lookout; Halls Flat Quad. | 1828 | Comment | ||
HSC29691 | Juncus hemiendytus var. abjectus | D. Norris, Thomas W. Nelson, S. Dowty | 1971-6-22 | 19271 | Lassen | Harvey Valley near Cone Springs | Comment | |||
JEPS94376 | Juncus hemiendytus var. hemiendytus | Vernon Oswald and Lowell Ahart | 1997-6-24 | 8653 | Lassen | s of Susanville (just s of the small pond on the crest of Diamond Mountain, about midway between Aspen Flat and Red Rock Lookout); crest of Diamond Mountain | 2249 | Comment | ||
OBI77304 | Juncus hemiendytus var. hemiendytus | Anthony Baniaga | 2011-7-9 | 436 | Lassen | Lassen NF. SW Pine Crk Valley. Pine Crk valley quad T31N R8E sec 10 NE of NE | 1718 | Comment | ||
CDA33210 | Juncus macrandrus | T. C. Fuller | 1959-7-6 | 5018 | Lassen | Hwy. 36, about 1 mi. north of Westwood. (Probably in Sec. 4 or Sec. 5) | 0 | Comment | ||
UC1136936 | Juncus mexicanus | George A. Fischer and Irwin H. Johnson | 1933-7-12 | F- 238 | Lassen | Patterson Flat Lassen National Forest | 1737 | Comment | ||
CHSC5268 | Juncus nevadensis | 1944-7-26 | Lassen | Eagle Lake. Juniper Lake. | 2055 | Comment | ||||
UC1142942 | Juncus nevadensis | A. L. Hormay | 1941-6-18 | 3 | Lassen | Little Harvey Valley Lassen National Forest | 1676 | Comment | ||
CHSC112772 | Juncus nevadensis var. nevadensis | Lowell Ahart; John Dittes | 2013-7-23 | 18906 | Lassen | On the southwest side of a man made pond, about 160 yards northwest of the four tall poles, Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. | 1267 | Comment | ||
CHSC60461 | Juncus orthophyllus | Mary Ann Showers | 1992-6-13 | 2537 | Lassen | Lassen Volcanic National Park. Meadow along trail from Snag Lake jct to Widow Lake. | 1828 | Comment | ||
CHSC117212 | Juncus tiehmii | Lowell Ahart; John Dittes | 2016-6-7 | 20989 | Lassen | West edge of pond, near spillway 5 yards east of Stonebreaker Road, 0.6 miles south of County Road A-2, 5.3 miles (air) east of Bieber, 7.3 miles (air) southwest of Adin, hills at the southern slope of Big Valley. | 1289 | Comment | ||
CHSC81441 | Juniperus occidentalis | Sabrina Wright; Brian Sardella | 2000-4-30 | Lassen | Northeastern CA in the Great Basin, near Susanville. At the Eagle Lake Biological Field Station. | 1524 | Comment | |||
RSA78920 | Juniperus occidentalis | E. K. Balls, P. C. Everett | 1952-10-10 | 18141 | Lassen | 8 mi SE of ravendale, Hwy 395, between Susanville and Alturas. | 1280 | Comment | ||
UC333780 | Juniperus occidentalis | unknown | 1893-5-28 | Lassen | Susanville | Comment | ||||
UCD133775 | Juniperus occidentalis | John Thomas Howell; Gordon H. True | 1973-8-1 | 50252 | Lassen | 5 miles from Susanville; dry hills on Gold Run Creek. | 1310 | Comment | ||
SEINET10899767 | Juniperus occidentalis | Jeffrey Huber | 1971-6-2 | Huber 130 | Lassen | Approx. 30 mi N of Susanville, on Calif. Hwy 139, in basalt; Pinus-Artemesia-Juniper assoc. | 1646 | Comment | ||
SEINET5334982 | Juniperus occidentalis | W. Priest | 1956-4-22 | s.n. | Lassen | about 2 miles north of Susanville | 1524 | Comment | ||
UCR3792 | Juniperus occidentalis var. occidentalis | Frank C. Vasek | 1964-9-13 | 640913- 01 | Lassen | Warner Mtns., c. 1 mi east of Blue Lake | Comment | |||
CAS-BOT-BC81289 | Juniperus osteosperma | John Thomas Howell | 1961-9-25 | 36969 | Lassen | East side of Beckwourth Pass | 1554 | Comment | ||
UCD133871 | Juniperus osteosperma | John Thomas Howell | 1961-9-26 | 36969 | Lassen | Beckworth Pass east side. | 1554 | Comment | ||
SEINET11064452 | Juniperus osteosperma | D. Charlet | 1993-7-13 | 1581 | Lassen | Fort Sage Mountains at OHV trailhead. | 1490 | Comment | ||
RSA121074 | Kelloggia galioides | G. A. Fischer, Irwin H. Johnson | 1933-7-14 | F- 255 | Lassen | Lassen Forest. | 1784 | Comment | ||
UC1125668 | Kelloggia galioides | H. P. Hagge | 1929-9-17 | 37 | Lassen | Logan Mtn.; Eagle Lake Quad. | 1828 | Comment | ||
UC1136752 | Kelloggia galioides | George A. Fischer and Irwin H. Johnson | 1933-7-14 | 255 | Lassen | Lassen National Forest | 1783 | Comment | ||
UC1137699 | Kelloggia galioides | A. Simontacchi | 1940-6-14 | 860 | Lassen | 7.5 mi wsw Schoonamaker Lake; Lassen National Forest, Halls Flat Quad. | 1737 | Comment | ||
UC773943 | Kelloggia galioides | L. R. Short and D. Gish | 1936-6-10 | S- 379 | Lassen | Burgess Spring Experiment Range; Lassen National Forest | 1813 | Comment | ||
SEINET10869776 | Kelloggia galioides | Mary Susan Taylor | 1974-1 | Taylor 273 | Lassen | Vicinity of Eagle Lake, ca. 13 mi NW of Susanville. | Comment | |||
UC1483872 | Kochia americana | G. Schoolcraft | 1980-5-8 | 231 | Lassen | s. end Cal-Neva Lake | 1219 | Comment | ||
CAS-BOT-BC180850 | Kochia scoparia | Louella Bass | 1981-9-29 | s.n. | Lassen | Standish | Comment | |||
UC1024754 | Koeleria macrantha | Leo Whitney | 1933-8-9 | 2298 | Lassen | ca 25 mi w of upper end of Eagle Lake Hall's Flat; Lassen National Forest, w of upper end of Eagle Lake | 1737 | Comment | ||
UC60736 | Koeleria macrantha | M. S. Baker and Frank Nutting | 1894-7-5 | Lassen | Dixey Valley | Comment | ||||
UCD85987 | Koeleria macrantha | R. Tofsrud | 1947-7-1 | 214 | Lassen | 13 miles E of Madeline. | Comment | |||
UC7389 | Krascheninnikovia lanata | J. Burtt Davy | Jun 17 1897-Jun 24 1897 | 3327 | Lassen | Honey Lake Valley | 1219 | Comment | ||
UC726003 | Kyhosia bolanderi | A. A. Heller | 1938-9-1 | 15342 | Lassen | about 2 mi e of Westwood | 1524 | Comment | ||
CHSC113011 | Lactuca serriola | Lowell Ahart; John Dittes | 2013-7-23 | 18887 | Lassen | Drainage filled with dirt from construction of a pond, 40 yards south of the man made pond, about 110 yards north of the four tall poles, Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. | 1267 | Comment | ||
CHSC76088 | Lactuca tatarica subsp. pulchella | Lowell Ahart; Vernon H. Oswald | 1999-9-13 | 8233 | Lassen | On the strand of Eagle Lake, west of Highway 139, near the south end of the lake and highway, Eagle Lake. | 1554 | Comment | ||
UCD133500 | Lactuca tatarica subsp. pulchella | W. L. Jepson | 1918-8-2 | s.n. | Lassen | lower bench of Long Valley Creek. Beckwith Pass. | 1463 | Comment | ||
CAS-BOT-BC341487 | Lagophylla ramosissima | John Thomas Howell | 1973-8-1 | 50156 | Lassen | Gold Run Creek road south of Susanville, Diamond Range | 1584 | Comment | ||
POM204133 | Lagophylla ramosissima | J. T. Howell | 1934-6-10 | 11863 | Lassen | Honey Lake Valley, 37 miles S of Susanville. | Comment | |||
CDA18264 | Lagophylla ramosissima subsp. ramosissima | G. D. Barbe | 1974-8-2 | 1926 | Lassen | Long Valley; Hallelujah Junction, northwest corner of jct of US Hwy 395 and Hwy 70. | 1524 | Comment | ||
CHSC106070 | Lagophylla ramosissima subsp. ramosissima | Lowell Ahart; John Dittes | 2010-7-31 | 16997 | Lassen | Dry meadow on the bottom of a small wash, about 5 yards north of the large culvert, where the road crosses Hunsinger Draw, 1.9 miles (air) northwest of Moll Reservoir, 2.8 miles (air) west of Ash Valley, 8.4 miles (air) southeast of Adin. | 1516 | Comment | ||
JEPS94782 | Lagophylla ramosissima subsp. ramosissima | Vernon H. Oswald and Lowell Ahart | 1998-9-8 | 9575 | Lassen | Highway 299 at the Rail Road overpass on the e side of Nubieber Nubieber; , Highway 299 | 1255 | Comment | ||
RSA0035916 | Lasthenia glaberrima | Lowell A. Ahart, John Dittes | 2008-6-20 | 14901 | Lassen | About 100 yards west of where the levee road crosses Big Valley Canal, in Big Valley, about 4 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7 miles (air) northeast of Bieber. | 1263 | Comment | ||
RSA0045638 | Lasthenia glaberrima | Lowell Ahart, John Dittes | 2008-6-22 | 15041 | Lassen | About 20 yards west of the road levee, in Big Valley, about 2.1 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about, 5.0 miles (air) northeast of Bieber. | 1262 | Comment | ||
UC1137764 | Lathyrus brownii | August L. Hormay | 1934-5-9 | Lassen | Black Mt. Headquarters Lassen National Forest | 1706 | Comment | |||
CDA20367 | Layia glandulosa | D. Tillotson | 1942-6-9 | s.n. | Lassen | Modoc Plateau; Mud Flat. | 0 | Comment | ||
CHSC71224 | Layia glandulosa | Vernon H. Oswald; Lowell Ahart | 1998-6-4 | 9143 | Lassen | Spur road on north side of Red Rock Rd. 0.6 mi east of Hwy. 395, south of Constantia. | 1389 | Comment | ||
SEINET11807266 | Layia glandulosa | N. H. Holmgren, Holmgren, P. K. | 1980-1 | 9506 | Lassen | Observation Peak, S side of mountain, 18 km (11 mi) airline distance E of Ravendale | 1890 | Comment | ||
RSA170169 | Lemna minor | W. L. Jepson | 1918-8-16 | 8000 | Lassen | Merrillville | 1524 | Comment | ||
HSC95178 | Lemna minuta | Gordon Leppig | 1998-7-12 | 935 | Lassen | Modoc National Forest, Blue Lake Ranch | 1970 | Comment | ||
UC2046024 | Lemna trisulca | Barbara L. Wilson with Richard Brainerd, Danna Lytjen, Bruce Newhouse and Nick Otting | 2004-8-24 | 11166 | Lassen | Snowstorm Creek, at a spring; upstream of Biscar Reservoir, west of an old railroad right of way. | Comment | |||
JEPS406 | Lemna trisulca | W. L. Jepson | 1918-8-16 | 8001 | Lassen | Merrillville | 1524 | Comment | ||
RSA318598A | Lemna trisulca | Wayne P. Armstrong | 1984-8-25 | 1218 | Lassen | Willow Creek-- at bridge on Highway 139 approximately 10 miles north of Susanville | 1509 | Comment | ||
UC1101286 | Lemna turionifera | Malcolm A. Nobs, S. Galen Smith | 1949-7-21 | 1051 | Lassen | 1 mi e of Madeline | Comment | |||
CAS-BOT-BC89719 | Lepidium latifolium | John Thomas Howell | 1975-7-23 | 51384 | Lassen | Sierra Nevada. Eagle Lake Cucumber Company yard. Susanville. | 1295 | Comment | ||
CDA43003 | Lepidium perfoliatum | L. Ahart, John Dittes | 2008-6-2 | 14934 | Lassen | On the levee road, about 100 yards south of where the levee road crosses Big Valley Canal, in Big Valley, about 4 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7 miles (air) northeast of Bieber. | Comment Read comments Oct 5 2019 |
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CHSC36487 | Lepidium perfoliatum | Margaret E. Halloran | 1982-6-2 | 1 | Lassen | Ca. 2 mi e jct of Hwy 139 and Ravendale Rd. | Comment | |||
JEPS107842 | Lepidium perfoliatum | Lowell Ahart, John Dittes | 2005-6-2 | 11920 | Lassen | Along the road, near the Anderson Ranch home, Long Valley, about 4 3/4 miles (air) north of the intersection of Scott Road and Highway 70, 6.2 miles (air) northwest of Hallelujah Junction | 1459 | Comment | ||
UC1126702 | Lepidium perfoliatum | E. Sawyer | 1935-6-27 | 235 | Lassen | Long Valley Sierraville Quad. | 1310 | Comment | ||
HSC6828 | Lepidium perfoliatum | K. P. St. John | 1965-5-6 | 28 | Lassen | Susanville, across from Walker's Restaurant | Comment | |||
UCD63910 | Leptochloa fusca subsp. fascicularis | Jesse V. Langdon | 1954-10-14 | Lassen | Lassen Irrigation District, near Standish. | Comment | ||||
CHSC29931 | Leptosiphon ciliatus | Robin L. Ondricek | 1978-6-20 | 63 | Lassen | On the e side of the s end of Eagle Lake in the Gallatin Burn. 1.8 mi s of Five Corners. | 2011 | Comment | ||
CHSC92716 | Leptosiphon ciliatus | L. P. Janeway; B. Castro | 2005-7-10 | 8480 | Lassen | Northern High Sierra Nevada. Crest of the Diamond Mountains overlooking Janesville and the north end of Honey Lake; 0.2 km north of Road 28N01 and 0.6 km east of junction of Janesville Grade Road (Road 208 and 28N02) and Road 28N01. Northerly-facing side of the crest. | 1859 | Comment | ||
CHSC4794 | Leptosiphon harknessii | R. Carter | 1967-6-29 | 571 | Lassen | Roadside, n side of rd. On rd to Murrer's Medow. Eagle Lake. | 1584 | Comment | ||
CHSC60758 | Leptosiphon harknessii | Vernon H. Oswald; Lowell Ahart | 1993-6-14 | 5516 | Lassen | Eagle Lake Rd. (Lassen A1), 0.5 mi SW of Spaulding Tract Rd. (Rd. 518, 33N89), ca. 3 mi W of Eagle Lake. | 1810 | Comment | ||
CHSC101047 | Leucocrinum montanum | John Dittes | 2008-5-22 | 1524 | Lassen | Modoc Plateau; ca. 15.3 air miles southeast of Adin, ca. 3.5 air miles east of Hayden Hill, ca 465 feet east of intersection of Hwy 139 and FS Road 36N02; alluvial terrace and toe-slope on northeast side of Willow Creek. | 483 | Comment | ||
UC1134623 | Leucocrinum montanum | A. Simontacchi | 1940-5-10 | 687 | Lassen | 6.0 mi wnw Burgess Spring; Lassen National Forest, Halls Flat Quad. | 1752 | Comment | ||
UC70406 | Leucocrinum montanum | Milo S. Baker | 1891-1 | Lassen | near Adin; Big Valley | Comment | ||||
UCR201583 | Leucocrinum montanum | Ken Osborne | 2005-4-23 | s.n. | Lassen | 3 miles SE of Honey Lake, 0.5 mile west of Turtle Mountain | 1276 | Comment | ||
POM71468 | Leucophysalis nana | Marcus E. Jones | 1897-6-30 | s.n. | Lassen | Eagle Lake, 27 miles from Susanville | 1524 | Comment | ||
JEPS68548 | Leymus cinereus | W. L. Jepson | 1918-8-2 | 7795 | Lassen | Constantia Honey Lake Valley | 1219 | Comment | ||
UC1609507 | Leymus cinereus | Vernon H. Oswald and Lowell Ahart | 1993-6-14 | 5543 | Lassen | Eagle Lake Rd (Lassen A1) at Sandy Beach on w. shore of Eagle Lake (n. side of rd., ca 2.0 mi e.-n.e. of Spaulding Tract Rd. (Rd. 518, 33N89)) | 1566 | Comment | ||
UCD64225 | Leymus cinereus | Beecher Crampton | 1954-7-6 | 2070 | Lassen | Along US Hwy 395, 2 mi. east of Johnstonville. | Comment | |||
UCD64266 | Leymus cinereus | A. H. Shunk | 1923-7-28 | Lassen | Madeline. | Comment | ||||
JEPS96064 | Ligusticum grayi | Vernon H. Oswald and Lowell Ahart | 1996-8-1 | 8127 .1 | Lassen | s.-s.w. Westwood (ca. 2 mi. n. of Dyer Mt. Lookout, Forest Rd. 28N56 (D-line), on downhill side of rd.) | 1737 | Comment | ||
JEPS88528 | Lilaea scilloides | Vernon H. Oswald and Lowell Ahart | 1996-6-24 | 7878 | Lassen | Papoose Meadows located 2.5 mi s of Eagle Lake (and 0.5 mi e of Eagle Lake Road (A1), in Papoose Creek where it leaves the n end of the meadow, Modoc Plateau); Modoc Plateau, Papoose Meadows | 1633 | 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 | ||
HSC15584 | Lilium pardalinum subsp. pardalinum | Fred J. Kindel | 1955-7-8 | Lassen | Susan River | Comment | ||||
JEPS23857 | Limosella acaulis | Peter H. Raven and Otto T. Solbrig | 1958-6-17 | 13287 A | Lassen | along United State Highway 395, 1.8 mi s Ravendale | Comment | |||
UC1567430 | Limosella acaulis | G. Schoolcraft | 1989-7-24 | 1995 | Lassen | along n shore Said Valley Reservoir; n shore of Said Valley Reservoir | 1630 | Comment | ||
POM42575 | Limosella aquatica | Marcus E. Jones | 1897-6-24 | s.n. | Lassen | 10 to 15 miles west from Amedee. | 1220 | Comment | ||
UC1101431 | Limosella aquatica | Malcolm A. Nobs and S. Galen Smith | 1949-7-20 | 1046 | Lassen | Bieber | Comment | |||
RSA0011457 | Linanthus | R. F. Thorne, Larry E. DeBuhr | 1975-8-22 | 46973 | Lassen | Along Highway 395 ca. 6 miles north of Madeline and 4.5 miles south of Modoc county line. | 1616 | Comment | ||
RSA715980 | Linum lewisii | L. Ahart, John Dittes | 2005-6-2 | 11935 | Lassen | Along the poor dirt road, 1/4 mile W of the Anderson Ranch home, Long Valley about 4 3/4 miles air N of the intersection of Scott Road and Hwy 70, 6.5 miles air NW of Hallelujah jct. | 1499 | Comment | ||
CHSC36448 | Linum lewisii var. lewisii | Susan H. Euing | 1982-6-3 | 2 | Lassen | Ca. 0.8 mi s jct forest service roads 5.16 and 5.17 heading towards 5-Corners. | Comment | |||
CHSC91299 | Linum lewisii var. lewisii | Lowell Ahart; John Dittes | 2005-6-2 | 11935 | Lassen | Along the poor dirt road, about 1/4 mile west of the Anderson Ranch home, Long Valley, about 4 3/4 miles (air) north of the intersection of Scott Road and Highway 70, 6.5 miles (air) northwest of Hallelujah Junction. | 1498 | Comment | ||
CAS-BOT-BC435429 | Lithophragma glabrum | Louella Bass | 1974-4-16 | EV 149 | Lassen | Elysian Valley; Sierra Nevada | 1325 | Comment | ||
UC1258492 | Lithophragma glabrum | G. Schoolcraft | 1980-4-8 | 201 | Lassen | along Shaffer Mountain Peak road just w Hwy. 395; Shaffer Mountain Peak road | 1402 | Comment | ||
UC773885 | Lithophragma glabrum | L. R. Short | 1936-4-28 | S- 337 | Lassen | Harvey Valley; Lassen National Forest, Harvey Valley | 1706 | Comment | ||
JEPS47654 | Lithophragma parviflorum | T. S. Brandegee | 1892-7-2 | Lassen | Susanville | Comment | ||||
CHSC11773 | Lithophragma tenellum | Wayne O. Baum | 1971-6-15 | 71 -1 | Lassen | South side of fire trail approx. 100 ft. from Rd. 5 at extreme S. E. corner of Gallatin Peak. | 1920 | Comment | ||
CHSC21169 | Lithophragma tenellum | M. S. Taylor | 1974-5-4 | 228 | Lassen | Ca. 500 yds n of Eagle Lake Field Station, ca. 13 mi nw of Susanville. | 1524 | Comment | ||
CHSC29956 | Lithophragma tenellum | Robin L. Ondricek | 1978-5-25 | 25 | Lassen | 150 yds N of cafeteria at Eagle Lake Field Station. | 1554 | Comment | ||
JEPS87440 | Lithophragma tenellum | Vernon H. Oswald and Lowell Ahart | 1993-6-3 | 5478 | Lassen | Champs Flat Rd (Lassen 21/105, Forest 32N02), 3.7 mi n Hwy 44 at spur rd 32N02E (between Poison Lake and Susanville, se side of Pine Creek Valley); Pine Creek Valley, btw Poison Lake and Susanville | 1731 | Comment | ||
HSC69589 | Lithospermum ruderale | Gary Schoolcraft | 1979-6-19 | 67 | Lassen | W of Post Camp on N side of main road | 1829 | Comment | ||
CHSC12951 | Lomatium | K. R. Stern; D. B. Joley, J. G. Geschke | 1974-6-23 | 5842 | Lassen | Ca. 1 mi se of Ravendale on w side of Hwy. 395. | 1618 | Comment | ||
CHSC117773 | Lomatium bicolor var. leptocarpum | L. P. Janewway; B. Castro | 2015-6-5 | 11772 | Lassen | Great Basin, Modoc Plateau. Along Tuledad Road (County Road 506) 4.7 road-km south of the junction at the west end of Tuledad Canyon; 2.6 air-km east-northeast of Dodge Reservoir. | 1846 | Comment | ||
UC1587046 | Lomatium bicolor var. leptocarpum | G. Schoolcraft | 1991-6-4 | 2145 | Lassen | n. end Eagle Lake (e. of Hwy. 139) | 1615 | Comment | ||
CHSC92830 | Lomatium dissectum var. multifidum | Lowell Ahart; John Dittes | 2005-6-2 | 11930 | Lassen | Along the poor dirt road, about 1/4 mile west of the Anderson Ranch home, Long Valley, about 4 3/4 miles (air) north of the intersection of Scott Road and Highway 70, 6.5 miles (air) northwest of Hallelujah Junction. | 1498 | Comment | ||
RSA271913 | Lomatium donnellii | Christopher Davidson | 1975-6-7 | 2755 | Lassen | 1 mile E of Beckwourth Pass on Hwy 70. | 1524 | Comment | ||
UC1123083 | Lomatium nevadense | A. Simontacchi | 1940-5-27 | 768 | Lassen | 9.3 mi NW of Crater Lake | 1752 | Comment | ||
UC1561383 | Lomatium nevadense var. nevadense | Barbara Ertter with Gary Schoolcraft | 1987-6-16 | 7185 | Lassen | ridge w. Hot Springs VABM (Skeedaddle Mts., on n.e. side of Honey Lake); Skeedaddle Mts., Honey Lake | 2133 | 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 | |||
CHSC29850 | Lomatium nudicaule | Robin Ondricek | 1978-6-7 | 42 | Lassen | Lower Dry Lake along outer edges of shoreline. | 1645 | Comment | ||
UC1137735 | Lomatium nudicaule | L. R. Short and Wm. Gansberg | 1936-6-8 | S- 399 | Lassen | Lassen Forest, Burgess Spring Exp. Range | 1755 | Comment | ||
CHSC72293 | Lomatium plummerae | L. P. Janeway; Glenn Clifton | 1998-7-8 | 5721 | Lassen | Ridgetop saddle about 2.5 mi northwest of Red Rock; at junction of Roads 28N08,19N10, 213, and 28N55. Top of north-facing Wyethia opening in open yellow pine forest. | 1988 | Comment | ||
CAS-BOT-BC217794 | Lomatium ravenii | H. D. Ripley; R. C. Barneby | 1944-5-30 | 5973 | Lassen | South of Ravendale | 1676 | Comment | ||
JEPS28836 | Lomatium ravenii | Lincoln Constance and Emil DiFulvio | 1962-4-16 | 3747 | Lassen | 1 mi. s. Ravendale | 1615 | Comment | ||
RSA0049612 | Lomatium ravenii | Dean Wm. Taylor | 2012-6-7 | 21233 | Lassen | 1 mile south of Ravendale (along Highway 395, 100 meters East of the highway ROW) | 1615 | Comment | ||
UCR183195 | Lomatium ravenii | Jim Andre, G. L. Clifton | 1993-6-2 | 7716 | Lassen | Along Hwy 395 c. 25 mi NE of Susanville at Viewland exit, east of Shaffer Mtn | 1349 | Comment | ||
OBI48163 | Lomatium triternatum | Rhonda Riggins | 1989-4-27 | 1648 | Lassen | US 395, 1.1 mi N Madeline, 8.8 mi S Modoc Co line | 1676 | Comment | ||
RSA584834 | Lomatium vaginatum | Bruce Bartholomew, M. Gilbert, L. Skog | 1993-5-13 | 6555 | Lassen | Just S. of Ravendale., 40 deg. 47' 43'' N, 120 deg. 21' 40'' W. | 1580 | Comment | ||
UC726744 | Lotus denticulatus | A. A. Heller | 1941-6-24 | 16191 | Lassen | 1 mi e Sieber (along US Hwy 299) | Comment | |||
POM28308 | Lotus douglasii | Marcus E. Jones | 1897-6-26 | s.n. | Lassen | Susanville, Perkins Ranch. | 1463 | Comment | ||
UC773895 | Lotus purshianus var. purshianus | L. R. Short and J. Warren | 1936-6-23 | S- 447 | Lassen | Burgess Spring Experiment Range Lassen Forest | Comment | |||
NY716012 | Lotus tenuis | G. Schoolcraft | 1988-7-7 | 1819 | Lassen | Near creek crossing northwest of Horne Ranch | 1646 | Comment | ||
RSA622143 | Lupinus | B. J. Cox, Paul Gallian | 1971-6-2 | 2590 | Lassen | Approx. 6 mi. S. of Susanville at Jct. of U.S. Hwy 395 and Calif. Hwy 36 to Susanville, near Johnstonville. | 1311 | Comment | ||
UC1181563 | Lupinus albifrons | R. F. Hoover | 1940-10-1 | 4650 | Lassen | Johnstonville | Comment | |||
RSA719890 | Lupinus albifrons var. albifrons | Michael A. Vincent, K. Levings, Karl Vincent | 2006-7-29 | 12914 | Lassen | Along Rt. 395, ca. 6 miles southeast of Johnstonville. | Comment | |||
CHSC91929 | Lupinus andersonii | L. P. Janeway; B. Castro | 2005-7-10 | 8482 | Lassen | Northern High Sierra Nevada. Crest of the Diamond Mountains overlooking Janesville and the north end of Honey Lake; 0.2 km north of Road 28N01 and 0.6 km east of junction of Janesville Grade Road (Road 208 and 28N02) and Road 28N01. | 1859 | Comment | ||
UC15769 | Lupinus angustiflorus | M. S. Baker and Frank Nutting | 1894-7-30 | Lassen | Silver Lake | Comment | ||||
CHSC905 | Lupinus arbustus | R. Gein | 1946-6-20 | Lassen | Mt. Fredonyer. | 2133 | Comment | |||
JEPS95013 | Lupinus arbustus | Vernon Oswald and Lowell Ahart | 1997-6-24 | 8635 | Lassen | s of Susanville (near the small pond on crest of Diamond Mountain, about midway between Aspen Flat and Red Rock Lookout); crest of Diamond Mountain | 2249 | Comment Read comments Jun 8 2007 |
||
SEINET10484728 | Lupinus arbustus subsp. silvicola | A. Arthur Heller | 1938-6-4 | Heller 15142 | Lassen | Rather common in the yellow pine forest in open places just w of fredonyer pass E of westwood. Transition life zone | 1707 | Comment | ||
CAS-BOT-BC208735 | Lupinus argenteus var. heteranthus | W. W. Eggleston | 1927-7-14 | 215 | Lassen | Sheepshead, Lassen Forest | 1500 | Comment | ||
JEPS117258 | Lupinus argenteus var. heteranthus | Lowell Ahart, John Dittes | 2010-7-31 | 16977 | Lassen | About 100 yards northeast of where the road crosses Hunsinger Draw, 1.9 miles (air) northwest of Moll Reservoir, 2.8 miles (air) west of Ash Valley, 8.4 miles (air) southeast of Adin | 1520 | Comment | ||
JEPS94125 | Lupinus argenteus var. heteranthus | Vernon H. Oswald and Lowell Ahart | 1998-5-22 | 9094 | Lassen | Hwy. 395 at an intermittent drainage crossing the rd. 2.3 mi. s. Milford | 1255 | Comment | ||
RSA795328 | Lupinus argenteus var. heteranthus | L. Ahart, John Dittes | 2010-7-31 | 16977 | Lassen | About 100 yards northeast of where the road crosses Hunsinger Draw, 1.9 air miles northwest of Moll Reservoir, 2.8 air miles west of Ash Valley, 8.4 air miles southeast of Adin. | 1521 | Comment | ||
UC1776671 | Lupinus argenteus var. heteranthus | G. Schoolcraft | 1993-6-10 | 2296 | Lassen | Along Clark's Valley Road w. of Clark's Valley Ranch | 1859 | Comment | ||
SEINET5328081 | Lupinus argenteus var. heteranthus | F. B. Headley | 1915-5-28 | s.n. | Lassen | Honey Lake | Comment | |||
CAS-BOT-BC196639 | Lupinus breweri var. breweri | Marcus E. Jones | 1897-6-21 | s.n. | Lassen | Chat | 1615 | Comment | ||
SEINET10903428 | Lupinus caudatus subsp. caudatus | Duane Isely, I. Isely | 1971-7-11 | Isely 11379 | Lassen | Near apex of ascent s of eagle lake, near state #139. Stems densely clustered; Flowers violet; standard reflexed 45 degrees. | 1676 | Comment | ||
SEINET6655529 | Lupinus laxiflorus var. calcaratus | Noel H. Holmgren, Patricia K. Holmgren | 1978-6-11 | 8932 | Lassen | 2.4 km (1.5 mi) east of Rye Patch Canyon summit, 16 km (10 mi) airline distance southeast of Ravendale.; 0 | 1830 | Comment | ||
SEINET249342 | Lupinus lepidus var. confertus | Richard R. Halse | 2004-7-22 | 6670 | Lassen | Along U.S. Hwy. 395 ca. 7.8 miles southeast of Susanville. | 1293 | Comment | ||
CHSC5290 | Lupinus lepidus var. sellulus | 1944-2-7 | Lassen | Eagle Lake. McCoy Flat. | 1645 | Comment | ||||
CHSC66243 | Lupinus lepidus var. sellulus | Vernon H. Oswald; Lowell Ahart | 1996-6-24 | 7867 | Lassen | Modoc Plateau. Papoose Meadows located ca. 0.5 mi E of Eagle Lake Rd. (A1) and 2.5 mi S of Eagle Lake. | 1633 | Comment | ||
CHSC91526 | Lupinus lepidus var. sellulus | L. P. Janeway | 2005-7-4 | 8474 | Lassen | High Cascade Range. Along Road 33N02 in Windy Gap; meadow between Harvey Valley and Grays Valley. | 1696 | Comment | ||
SEINET9185950 | Lupinus leucophyllus | Anthony Baniaga | 2011-1 | 437 | Lassen | Lassen Natl Forest. SW Pine Crk Valley. Pine Crk Valley quad. T31N R8E sec 10 NE of NE | 1718 | Comment | ||
UC15910 | Lupinus leucophyllus | M. S. Baker and Frank Nutting | 1894-7-12 | Lassen | Pine Creek | Comment | ||||
UC710905 | Lupinus leucophyllus | C. L. Hitchcock | 1940-5-26 | 6614 | Lassen | Lave beds ca 12 mi n Fall River Mills (on Fall River); Fall River, Lava Beds | 1371 | Comment | ||
CHSC112399 | Lupinus microcarpus var. microcarpus | Lowell Ahart; John Dittes, Todd Sloat | 2013-6-9 | 18781 | Lassen | Pasture field, about 100 yards west of the north-south road, on the west side of McArthur Diversion Canal, 2.1 air-miles of Rat Farm Boat Launch, 1.2 air-miles north of McArthur, Fall River Valley, McArthur Swamp. | 1007 | Comment | ||
CHSC99103 | Lupinus microcarpus var. microcarpus | Lowell Ahart; John Dittes | 2008-6-20 | 14969 | Lassen | About 10 yards west of where the levee road crosses Big Valley Canal, in Big Valley, about 4 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7 miles (air) northeast of Bieber. | 1263 | Comment | ||
JEPS114708 | Lupinus microcarpus var. microcarpus | Lowell Ahart, John Dittes | 2008-6-20 | 14969 | Lassen | About 10 yards west of where the levee road crosses Big Valley Canal, in Big Valley, about 4 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7 miles (air) northeast of Bieber | 1263 | Comment | ||
UC15846 | Lupinus microcarpus var. microcarpus | Mrs. R. M. Austin and Bruce | June 1898 | 2145 | Lassen | Madaline Plains Madaline Plains <Madeline Plains>; Madaline Plains | Comment | |||
CHSC5288 | Lupinus obtusilobus | 1944-7-26 | Lassen | Juniper Lake. | 2055 | Comment | ||||
CHSC7671 | Lupinus polycarpus | Beverley J. Wise | 1969-5-4 | 62 | Lassen | 0.5 mi west on Shaeffer Mtn lookout access road from junction with Hwy 395. 24.4 mi E. of Susanv. | 1615 | Comment | ||
SEINET10486220 | Lupinus saxosus | Billy Joe Cox, David B. Dunn | 1971-6-2 | Cox 2593 | Lassen | Approx. 12 Mi s of adin on state hwy. 139. In basalt and clay; along edge of Road on rolling knoll, in artemisia-juniper association. | 1372 | Comment | ||
SEINET10488918 | Lupinus sellulus | Katherine L. Morris | 1973-5-25 | Morris 215 | Lassen | Collected 2.6 mi w of susanville, on u.s. 36, In an area of pinus jeffreyi and Purshia. Intermediate to l. Confertus (?). | Comment | |||
HSC40685 | Lupinus sellulus var. artulus | Thomas W. Nelson, Jane P. Nelson | 1976-8-1 | 3123 | Lassen | Lassen Volcanic National Park at Devestated Area | Comment | |||
HSC76485 | Lupinus sellulus var. sellulus | B. J. Cox | 1971-6-11 | 3186 | Lassen | 3 mi. E of Westwood, Hwy. 36 | 1608 | Comment | ||
POM110680 | Luzula comosa | Marcus E. Jones | 1897-7-2 | s.n. | Lassen | Near Prattville at Clear Creek. | 1524 | Comment | ||
RSA69483 | Luzula comosa | F. W. Peirson | 1926-6-22 | 6826 | Lassen | Drakesbad, trail to Devils Kitchen, Lassen National Park. | Comment | |||
CHSC102882 | Luzula comosa var. laxa | Peter F. Zika | 2008-7-14 | 23895 | Lassen | Cascade Range Highlands. E side of Route A21, NW end of Clover Valley, Susan River basin. | 1800 | Comment | ||
CHSC65313 | Lycopus uniflorus | Vernon H. Oswald | 1995-8-21 | 7208 | Lassen | Warner Mtns. Blue Lake located ca. 13 mi SE of Likely. On the edges of the lake and on floating bogs. | 1859 | Comment | ||
CAS-BOT-BC342645 | Madia citrigracilis | John Thomas Howell | 1934-7-8 | 12494 | Lassen | Spalding's, Eagle Lake | 1584 | Comment | ||
OBI55502 | Madia citrigracilis | David J. Keil | 1992-7-25 | 23608 | Lassen | Along hwy 36, 9.1 mi E of Plumas County line, W of Susanville | Comment | |||
CHSC30624 | Madia elegans | E. C. Taylor | 1975-7-19 | 73 | Lassen | Ca. 30 yds nw of ELFS Vesta Holt Hall. | 1584 | Comment | ||
UCD134243 | Madia elegans | J. E. Stuart | 1929-8-1 | 2035 | Lassen | Roy Hardwood Ranch, Milford. | Comment | |||
POM29904 | Madia elegans subsp. elegans | Marcus E. Jones | 1897-6-18 | s.n. | Lassen | Chat. [also Chats, a former settlement] | 1524 | Comment | ||
CHSC66375 | Madia exigua | Vernon H. Oswald; Lowell Ahart | 1996-6-17 | 7806 | Lassen | Modoc Plateau. Bizz Johnson Trail accessed at Devils Corral Trailhead located off of Hwy. 36 ca. 7 mi W of Susanville. On the N side of the trail between Devils Corral Trailhead and the 6.0 mile post. | 1420 | Comment | ||
JEPS88219 | Madia exigua | Vernon H. Oswald and Lowell Ahart | 1996-6-17 | 7806 | Lassen | n side of Bizz Johnson Trail between Devils Corral Trailhead and 6.0 milepost (trailhead located off Hwy 36 ca 7 mi w of Susanville); Modoc Plateau | 1420 | Comment | ||
UC469045 | Madia exigua | Franklin P. Nutting | Lassen | Dixie Valley | Comment | |||||
UC905684 | Madia glomerata | David D. Keck | 1930-7-23 | 955 | Lassen | 15 mi w Susanville; Sierra Nevada | 1525 | Comment | ||
CAS-BOT-BC343058 | Madia gracilis | John Thomas Howell | 1973-7-10 | 49781 | Lassen | Fredonyer Pass | 1737 | Comment | ||
SEINET11601445 | Madia gracilis | J. A. Young | 1982-6-9 | s.n. | Lassen | M. Meyer's Ranch, Adin, Ca. | 1372 | Comment | ||
CAS-BOT-BC347441 | Malacothrix floccifera | Louella Bass | 1973-6-23 | 131 | Lassen | Elysian Valley | 1325 | Comment | ||
JEPS102664 | Malacothrix glabrata | V. H. Oswald, B. Corbin, K. Earll, and G. Schoolcraft | 2001-6-2 | 10038 | Lassen | N-NE of Doyle (dirt road bordering the E side of Turtle Mountain) | 1828 | Comment | ||
UCD116543 | Malva neglecta | P. B. Schultz | 1967-7-11 | 72 | Lassen | 1 mile south of Milford on U.S. Highway 395. | 1325 | Comment | ||
UCR67380 | Malvella leprosa | George K. Helmkamp | 1990-9-23 | A- 8 | Lassen | Northern Sierra Nevada Mountains, 3 mi east of Susanville, along State Road 36 | 1345 | Comment | ||
UC62420 | Marsilea oligospora | Baker and Nutting | 1894-7-25 | Lassen | near Eagle Lake | Comment | ||||
UC62421 | Marsilea oligospora | Baker and Nutting | 1894-7-12 | Lassen | Pine Creek | Comment | ||||
CHSC13512 | Marsilea vestita | K. R. Stern | 1974-6-26 | Lassen | On s side of Hwy 44, 5.6 mi n of intersection with County Rd. A-21 to Westwood. | Comment | ||||
POM260428 | Marsilea vestita | C. L. Hitchcock | 1940-5-26 | 6649 | Lassen | Overflow of Pitt River, 1 mile W of Bieber | Comment | |||
JEPS97378 | Marsilea vestita subsp. vestita | Vernon H. Oswald and Lowell Ahart | 1995-8-14 | 7201 | Lassen | N of Susanville (Horse Lake Rd (Lassen 536) at a BLM reservoir, 11.3 mi W of Hwy 395); Modoc Plateau | 1737 | Comment | ||
CHSC64862 | Matricaria discoidea | Vernon H. Oswald; Lowell Ahart | 1995-6-19 | 6876 | Lassen | Modoc Plateau. Between Litchfield and Ravendale on Smoke Creek Ranch Rd., 0.3 mi e of Hwy. 395. Along the road. | 1383 | Comment | ||
CHSC71221 | Matricaria discoidea | Vernon H. Oswald; Lowell Ahart | 1998-6-4 | 9138 | Lassen | Red Rock Rd. at its junction with Hwy. 395 south of Constantia. | 1365 | Comment | ||
JEPS114634 | Matricaria discoidea | Lowell Ahart, John Dittes | 2008-6-20 | 14911 | Lassen | On the levee road, where the levee road crosses Big Valley Canal, in Big Valley, about 4 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7 miles (air) northeast of Bieber | 1263 | Comment | ||
CAS-BOT-BC348267 | Matricaria occidentalis | M. S. Taylor | 1982-6-12 | 4651 | Lassen | In Hartson Lake Refuge, ca. 1 mi n of Hartson Lake on n side of Honey Lake, ca. 13 mi se of Susanville | 1222 | Comment | ||
UCD107934 | Medicago sativa | P. B. Kennedy | 1927-9-1 | s.n. | Lassen | Standish. | Comment | |||
CAS-BOT-BC269351 | Melica californica | Gary Schoolcraft | 1985-6-12 | 1420 | Lassen | CA-5, slopes of Fredonyer Peak, 33-12-35 NW | 2194 | Comment | ||
CAS-BOT-BC282042 | Melica fugax | John Thomas Howell | 1934-6-14 | 12167 | Lassen | Near Lost Lake, Warner Mountains | 2438 | Comment | ||
UC53652 | Melica fugax | M. S. Baker and Frank Nutting | 1894-7-12 | Lassen | Pine Creek | Comment | ||||
CHSC112987 | Melilotus officinalis | Lowell Ahart; John Dittes | 2013-7-22 | 18868 | Lassen | On the sides of the levee road, about 100 yards south of the four tall poles, Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. | 1267 | Comment | ||
CDA40725 | Mentha canadensis | T. C. Fuller, R. C. Bechtel & R. Bradley | 1981-7-9 | 20383 | Lassen | West end of the dam of Smoke Creek Reservoir. | 0 | Comment | ||
CHSC106171 | Mentzelia albicaulis | Lowell Ahart; John Dittes | 2010-8-30 | 17089 | Lassen | North side of the road, between Elkins Lane and Walters Road, 550 feet south of Modoc County Line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. | 1274 | Comment | ||
CHSC5298 | Mentzelia albicaulis | 1944-6-23 | Lassen | Eagle Lake. | 1584 | Comment | ||||
CHSC93683 | Mentzelia albicaulis | Lowell Ahart; John Dittes | 2005-6-1 | 11888 | Lassen | On the north side of Scott Road, Long Valley, about 4 1/4 miles (air) north of the intersection of Scott Road and Highway 70, 5.5 miles (air) northwest of Hallelujah Junction. | 1433 | Comment | ||
JEPS29743 | Mentzelia albicaulis | Rimo Bacigalupi and L. R. Heckard | 1962-5-28 | 8498 | Lassen | 2.7 mi n Milford (along U.S. highway 395) | 1219 | Comment | ||
RSA152590 | Mentzelia albicaulis | I. L. Wiggins, Dorothy Wiggins | 1961-6-11 | 16340 | Lassen | 13.5 mi. E. of Susanville. | Comment | |||
CHSC5299 | Mentzelia congesta | R. Gein | 1946-6-25 | Lassen | Webb's Camp, Eagle Lake. | 1554 | Comment | |||
CHSC117298 | Mentzelia dispersa | Lowell Ahart; John Dittes | 2016-7-13 | 21124 | Lassen | Sides of the overflow, about 50 yards north of the dam, 200 yards east of Stonebreaker Road, 0.6 miles south of County Road A-2, 5.3 miles (air) east of Bieber, 7.3 miles (air) southwest of Adin, hills at the southern slope of Big Valley. | 1289 | Comment | ||
RSA32753 | Mentzelia dispersa | A. A. Heller | 1938-6-22 | 15184 | Lassen | Mile east of Westwood. | 1524 | Comment | ||
RSA712934 | Mentzelia dispersa | L. P. Janeway | 2005-7-4 | 8470 | Lassen | High Cascade Range. Ridge top north above Long Valley; 0.4 km west of Road 34N41. | 1752 | Comment | ||
UC1121687 | Mentzelia dispersa | A. Simontacchi | 1940-6-5 | 818 | Lassen | 8 m wnw Harvey Valley Ranger Station; Halls Flat Quad, Lassen National Forest | Comment | |||
UC872458 | Mentzelia dispersa | C. L. Hitchcock | 1940-5-26 | 6606 | Lassen | ca 12 m n Fall River Mills (Shasta Co.) (lava beds, On Fall River) | 1371 | Comment | ||
RSA719900 | Mentzelia dispersa | Michael A. Vincent, K. Levings | 2006-7-29 | 12904 | Lassen | Along Rte. 36, 14.3 miles west of Susanville | Comment | |||
CHSC7717 | Mertensia longiflora | Beverley J. Wise | 1969-5-3 | 3 | Lassen | 12 mi. N.E. of Susanville on Lass. Co. Rd. 216 off Las. Co. Rd. 215. On bank of Willow Creek. | 1554 | Comment | ||
CHSC101036 | Micranthes nidifica | John Dittes | 2008-5-22 | 1522 | Lassen | Modoc Plateau; ca. 15.3 air miles southeast of Adin, ca. 3.4 air miles east of Hayden Hill, ca. 480 feet north of intersection of Hwy 139 and FS Road 36N02. | 482 | Comment | ||
CAS-BOT-BC429080 | Micranthes odontoloma | George W. Gillett | 1957-7-22 | 886 | Lassen | Lassen Volcanic National Park. Snag Lake. Near campsite at south end of Lake. | 1850 | Comment | ||
SD8331 | Micranthes odontoloma | Mrs. R. M. Austin | 1882-8-1 | Lassen | Lassen Co | Comment | ||||
CHSC77197 | Microseris laciniata subsp. laciniata | G. Schoolcraft | 1993-6-1 | 2274 | Lassen | Secret Creek area S. of TulePatch Spring. Meadow. | 1463 | Comment | ||
JEPS114755 | Microseris laciniata subsp. laciniata | Lowell Ahart, John Dittes | 2008-6-22 | 15026 | Lassen | Open meadow area, about 50 yards southwest of the tall poles, mountain meadow, in Big Valley, about 3.5 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber | 1260 | 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 | ||
CHSC117189 | Microseris nutans | Lowell Ahart; John Dittes | 2016-6-7 | 21022 | Lassen | About 10 yards west of State Highway 299, Big Valley Mountains, 0.4 mile (air) northeast of Big Valley Summit, 5.0 miles (air) southwest of Bieber. | 1397 | Comment | ||
HSC28899 | Microseris nutans | D. H. Norris, T. Nelson, S. Dowty | 1971-6-22 | 19168 | Lassen | 3 mi. N of Westwood | Comment | |||
SEINET10475172 | Microseris nutans | Mary Merello | 1993-6-28 | Merello 755 | Lassen | Lassen National Forest. At end of Forest Service Road 31N01 at lake. Pine woodland. | 1740 | Comment | ||
SEINET10902895 | Microsteris gracilis | Mary Susan Taylor | 1974-5-4 | Taylor 227 | Lassen | Between Eagle Lake Field Station and the marsh area ca. 1/4 mi N of the station, E side of Eagle Lake, N of Susanville. | Comment | |||
RSA104221 | Microsteris gracilis subsp. humilis | Verne Grant, Alva Grant | 1956-5-18 | 9801 | Lassen | 4 miles S of Ravendale. | 1280 | Comment | ||
JEPS107307 | Mimulus arvensis | Lowell Ahart, John Dittes | 2005-6-1 | 11900 | Lassen | On the north side of Scott Road, east side of the railroad underpass, Long Valley, about 4 3/4 miles (air) north of the intersection of Scott Road and Highway 70, 6.2 miles (air) northwest of Hallelujah Junction | 1459 | Comment | ||
JEPS88205 | Mimulus breweri | Vernon H. Oswald and Lowell Ahart | 1996-6-24 | 7866 | Lassen | Papoose Meadows located ca. 0.5 mi E of Eagle Lake Rd. (A1) and 2.5 mi S of Eagle Lake, Modoc Plateau, Montane Meadow in Yellow Pine Forest, on the W side of the meadow ca. 0.2 mi S of the cabin. | 1633 | Comment | ||
SEINET230131 | Mimulus densus | Noel H. Holmgren, Patricia K. Holmgren | 1980-1 | 9512 | Lassen | Observation peak, S side of mountain, 18 km (11 mi) airline distance E of Ravendale | 2190 | Comment | ||
CHSC118485 | Mimulus evanescens | Allison Sanger; Loren Gehrung | 2003-6-11 | Lassen | Lassen National Forest. Eagle Lake Ranger District. Near Rankin Flat west of Spalding, roughly 1.2 air miles west of Eagle Lake marina. | 1822 | Comment | |||
CDA41435 | Mimulus floribundus | L. Ahart, John Dittes | 2005-6-2 | 11970 | Lassen | Long Valley, about 4 1/2 miles (air) north of the intersection of Scott Road and Highway 70, 5.7 miles (air) northwest of Hallelujah Junction. | Comment | |||
RSA716144 | Mimulus floribundus | L. Ahart, John Dittes | 2005-6-2 | 11970 | Lassen | Long Valley, about 4 1/2 miles (air) northeast of the intersection of Scott Road and Highway 70, 5.7 miles (air) northwest of Hallelujah Junction. | 1409 | Comment | ||
JEPS11447 | Mimulus microphyllus | Brown and Wieslander | 1922-7-30 | 39 | Lassen | Martin Springs Eagle Lake | Comment | |||
UC1523772 | Mimulus moniliformis | Gary Schoolcraft | 1981-6-25 | 475 | Lassen | Comment | ||||
UC445158 | Mimulus moniliformis | Franklin P. Nutting | July 12 | Lassen | Pine Creek | Comment | ||||
POM43476 | Mimulus moschatus var. longiflorus | Marcus E. Jones | 1897-6-28 | s.n. | Lassen | Diamond Mountain; Susanville; Perkin's Ranch. | 1829 | Comment | ||
CDA38387 | Mimulus nanus | S. E. Schoenig | 1998-7-5 | 98 -72 | Lassen | By south side of Highway 44, vicinity of Bogard Campground. | Comment | |||
SEINET10830517 | Mimulus nanus | Mary Susan Taylor | 1974-1 | Taylor 311 | Lassen | Vicinity of Eagle Lake, ca. 13 mi NW of Susanville. | Comment | |||
JEPS24856 | Mimulus nanus var. mephiticus | Jean Langenheim | 1957-6-26 | 4377 | Lassen | nw end Said Valley | 1645 | Comment | ||
RSA422232 | Mimulus nanus var. nanus | Christopher Davidson | 1975-6-7 | 2764 | Lassen | 1 mi E of Beckwourth Pass on Hwy 70. | 1524 | Comment | ||
UC726696 | Mimulus pulsiferae | A. A. Heller | 1938-6-22 | 15187 | Lassen | one mi e Westwood | 1524 | Comment | ||
RSA536398 | Mimulus pygmaeus | Beth Corbin, Kim Earll, Steve Klukkert | 1991-7-2 | 634 | Lassen | 0.25 mile SE of Robbers Spring, 70 ft SSW of Hwy 44, 3.5 miles NW of USFS Bogard Work Center. | 1098 | Comment | ||
CAS-BOT-BC9536 | Mimulus rubellus | Clarence Roy Quick | 1962-6-17 | 62 -21 | Lassen | Swains Hole, south of Blacks Mountain Experimental Station | 1554 | Comment | ||
UCD150408 | Mirabilis laevis var. retrorsa | William Anderson | 1963-6-23 | s.n. | Lassen | Wendel. | Comment | |||
CHSC27650 | Monardella odoratissima | Cindy Prouty | 1978-7-10 | 2 | Lassen | Colman L., several mi SE of Eagle L. | 1962 | Comment | ||
HSC22951 | Monardella odoratissima | John Pratt | 1970-6-21 | 30 | Lassen | 1738 | Comment | |||
CAS-BOT-BC221974 | Monardella odoratissima subsp. glauca | John Thomas Howell | 1934-7-8 | 12487 | Lassen | Spalding's, Eagle Lake | Comment | |||
CHSC111253 | Monardella odoratissima subsp. glauca | L. P. Janeway; B. Castro | 2012-7-2 | 10933 | Lassen | Modoc Plateau. Along Skedaddle Ranch Road 6.4 road km north of Skedaddle Creek at an unnamed tributary of Bull Creek. | 1533 | Comment | ||
CHSC52767 | Monardella odoratissima subsp. glauca | L. P. Janeway | 1990-7-4 | 3771 A | Lassen | Ca 0.9 mi NE of Meadowview Peak. | 1981 | Comment | ||
UCD18952 | Monardella odoratissima subsp. glauca | Raymond D. Ratliff | 1965-8-5 | 44 | Lassen | Lassen National Forest, Harvey Valley Allot. (HV 20-14 'area'). | 1725 | Comment | ||
UCR244066 | Monardella odoratissima subsp. glauca | Jim Andre, G. L. Clifton | 1993-6-9 | 19692 | Lassen | Foothills of Sierra Nevada Mtns., Honey Lake Valley, c. 5 mi. west of Doyle (at U.S. 395), just inside Plumas NF boundary | 1631 | Comment | ||
LA54185 | Monardella odoratissima subsp. glauca | Carl Epling; William Robison | 1935-7-15 | sn | Lassen | Fredonyor Pass | Comment | |||
SD87705 | Monardella odoratissima subsp. glauca | Frank W. Peirson | 1926-6-24 | 6850 | Lassen | 2-3 miles southward from the Madeline Plain. | Comment | |||
CHSC29865 | Monardella odoratissima subsp. pallida | Robin L. Ondricek | 1978-8-9 | 122 | Lassen | 1977 Burn, .1 mi w of intersection with road which passes Colman Lake. [Sanders 2010 annotation: Monardella odoratissima Benth. ssp. pallida X ssp. glauca.] | 1889 | 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 | ||
HSC14280 | Monardella villosa | D. E. Anderson | 1963-8-25 | 2800 | Lassen | 3 mi. N of Cromberg along Hwy. Alt 40 | 1372 | Comment | ||
CHSC99530 | Monolepis nuttalliana | Lowell Ahart; John Dittes | 2008-6-22 | 15034 | Lassen | On the banks of a small natural drainage, about 120 yards west of the road levee, open meadow area, in Big Valley, about 2.1 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 5.0 miles (air) northeast of Bieber. | 1262 | Comment | ||
OBI77205 | Monolepis nuttalliana | Anthony Baniaga | 2011-7-23 | 462 | Lassen | Lassen NF. Poison Lake. Poison Lake quad T32N R7E sec 4 | 1700 | Comment | ||
UC1746003 | Monolepis nuttalliana | Annetta M. Carter | 1945-9-30 | 1721 a | Lassen | Sam Webb place near end of Eagle Lake. | 1554 | Comment | ||
UC526137 | Monolepis pusilla | John Thomas Howell | 1934-6-10 | 11895 | Lassen | Horse Lake | Comment | |||
CAS-BOT-BC444695 | Montia chamissoi | Louella Bass | 1973-6-17 | 123 | Lassen | Elysian Valley. | 1325 | Comment | ||
UC1101398 | Montia chamissoi | Malcolm A. Nobs, S. Galen Smith | 1949-7-21 | 1064 | Lassen | 4 mi n of Madeline | Comment | |||
CHSC54191 | Montia dichotoma | Vernon H. Oswald | 1991-5-28 | 4618 | Lassen | Wayman Barn at the west end of Hunt Rd, Ash Creek Wildlife Area, ca. 5 miles northeast of Bieber. Locally abundant on the bed of a drying vernal pool on an undulating sagebrush flat east of the barn. | 1264 | Comment | ||
CHSC108024 | Montia linearis | Lowell Ahart; John Dittes | 2011-6-20 | 17476 | Lassen | Meadow, about 15 yards east of the stream, about 40 yards south of where the road crosses Hunsinger Draw, 1.9 miles (air) northwest of Moll Reservoir, 2.8 miles (air) west of Ash Valley, 8.4 miles (air) southeast of Adin. | 1520 | Comment | ||
CHSC99533 | Montia linearis | Lowell Ahart; John Dittes | 2008-6-20 | 14938 | Lassen | About 100 yards west of where the levee road crosses Big Valley Canal, in Big Valley, about 4 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7 miles (air) northeast of Bieber. | 1263 | Comment | ||
CAS-BOT-BC445067 | Montia linearis | Clarence R. Quick | 1962-6-17 | 62 -20 | Lassen | Swains Hole, south of Blacks Mountain Experimental Station | 1554 | Comment | ||
CAS-BOT-BC262633 | Muhlenbergia asperifolia | John Thomas Howell | 1934-7-8 | 12489 | Lassen | Spalding's, Eagle Lake | Comment | |||
CAS-BOT-BC262638 | Muhlenbergia asperifolia | Gary Schoolcraft | 1983-7-13 | 1082 | Lassen | E. shore of Eagle Lake near Chico Biol. Stat., 32-11-15 | 1554 | Comment | ||
CHSC96693 | Muhlenbergia filiformis | Gordon Leppig; Juli Neander, Kai Neader | 1997-7-25 | 680 | Lassen | Modoc National Forest, Blue Lake Ranch. Peatland in large meadow complex. | 1970 | Comment | ||
RSA268992 | Muhlenbergia jonesii | J. R. Reeder, C. G. Reeder | 1972-7-24 | 5809 | Lassen | 22 miles NW of Susanville in vicinity of Silver Lake, along Hwy 44, Lassen Nat'l Forest | 1707 | Comment | ||
CHSC117514 | Muhlenbergia richardsonis | Lowell Ahart; John Dittes | 2016-7-13 | 21146 | Lassen | 100 yards east of Stonebreaker Road, 0.6 miles south of County Road A-2, 5.3 miles (air) east of Bieber, 7.3 miles (air) southwest of Adin, hills at the southern slope of Big Valley. | 1289 | Comment | ||
RSA129677 | Muhlenbergia richardsonis | G. A. Fischer, Irwin Johnson | 1933-7-12 | F- 196 | Lassen | Lassen National Forest; Grass Valley. | 1695 | Comment | ||
UCD86900 | Muhlenbergia richardsonis | Beecher Crampton | 1954-7-6 | 2073 | Lassen | 17 miles south of Ravendale, along US highway 395. | 1524 | Comment | ||
CHSC57215 | Muilla transmontana | Mary Meyer | 1980-5-20 | 523 | Lassen | On mesa 1 mi due east of BLM campground and spring, north of Snowstorm Mountain. | 1645 | Comment | ||
NY492641 | Myosurus apetalus | M. J. Williams | 1986-5-14 | 8638- 3 | Lassen | Tuledad Canyon Road, from Duck Flat to Ravendale. 0.1 mile west of California-Nevada line. | 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 | ||
JEPS114645 | Myosurus minimus | Lowell Ahart, John Dittes | 2008-6-20 | 14940 | Lassen | In vernal pools and swales, about 100 yards southwest of where the levee road crosses Big Valley Canal, in Big Valley, about 4 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7 miles (air) northeast of Bieber | 1263 | Comment | ||
JEPS118444 | Myosurus minimus | Lowell Ahart, John Dittes | 2011-6-21 | 17526 | Lassen | Along the bottom of a small drainage, about 30 yards north of the road, between Elkins Lane and Walters Road, about 100 yards south of the old barn, 500 feet south of Modoc County Line, about 4.3 miles (air) west-southwest of Adin, about 7.3 miles (air) northeast of Bieber, Big Valley | 1268 | Comment | ||
JEPS45716 | Myriophyllum quitense | W. L. Jepson | 1918-8-16 | 8002 | Lassen | Merrillville | 1524 | Comment | ||
RSA233733 | Myriophyllum sibiricum | Robert F. Thorne, C. W. Tilforth | 1969-9-5 | 39134 | Lassen | Said Valley Reservoir. | Comment | |||
UC1101499 | Myriophyllum sibiricum | Verne Grant and Irving Schneider | 1947-7-30 | 8195 | Lassen | W end of Tule Lake. | Comment Read comments Aug 12 2008 |
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JEPS124839 | Myriophyllum sibiricum | John Degenfelder | 1969-7-8 | 85 | Lassen | on highway 139 about 16 miles north of Susanville. | Comment | |||
RSA0043136 | Nama aretioides var. californica | Christopher Davidson | 1975-6-7 | 2760 | Lassen | 1 mile E of Beckwourth Pass on Hwy 70. | 1524 | Comment | ||
CHSC7683 | Nama demissa | Berverly J. Wise | 1969-5-18 | 48 | Lassen | 7.7 mi. E. of Susanville on Co. Rd. 215 on the south side of the road. | 1341 | Comment | ||
CHSC6207 | Navarretia breweri | W. Vinyard | 1946-6-12 | Lassen | Eagle Lake. Willow Creek. | 1463 | Comment | |||
NY1012731 | Navarretia breweri | N. H. Holmgren | 1980-7-3 | 9491 | Lassen | Rye Patch Canyon road, 3.4 km (2.1 miles) east of U.S. Highway 395, 14.5 km (9 miles) airline distance southeast of Ravendale | 1700 | Comment | ||
SD3921 | Navarretia breweri | T. S. Brandegee | 1892-7-1 | Lassen | Susanville | Comment | ||||
UCD37481 | Navarretia breweri | Beecher Crampton | 1960-6-20 | 5737 | Lassen | Lassen County, Lassen National Forest, 6.5 miles north of Bogard Ranger Station, Little harvey Valley. | 1676 | Comment | ||
JEPS28649 | Navarretia capillaris | George W. Gillett | 1957-7-21 | 861 | Lassen | 300 yards n summit Juniper Lake-Cameron Meadow trail (Lassen Volcanic National Park); , Juniper Lake-Cameron Mdw trai | 2118 | Comment | ||
UC1058207 | Navarretia intertexta | C. McMillan | 1949-6-15 | 1540 | Lassen | 5 mi w Bieber | Comment | |||
UCD32670 | Navarretia intertexta | Beecher Crampton | 1954-7-6 | 2072 | Lassen | Lassen County, 17 miles south of Ravendale, along US highway 395. | 1524 | Comment | ||
JEPS124382 | Navarretia intertexta subsp. intertexta | Lowell Ahart, John Dittes | 2015-11-14 | 20303 | Lassen | Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. | Comment | |||
CHSC110998 | Navarretia intertexta subsp. propinqua | Lowell Ahart; John Dittes | 2012-7-9 | 18303 | Lassen | About 100 yards southeast of the tall poles, Ash Creek State Wildlife Area, about 5.5 miles (air) northesast of Bieber, Big Valley. | 1267 | Comment | ||
UC1008717 | Navarretia intertexta subsp. propinqua | Laura E. Mills | 1940-7-8 | Lassen | about 2 mi s Susanville; Sierra Nevada Mountains | 1524 | Comment | |||
UC909095 | Navarretia intertexta subsp. propinqua | G. L. Stebbins Jr. | 1949-8-6 | 4001 | Lassen | nw of Susanville; Hog Flat | 1676 | Comment | ||
CAS-BOT-BC230387 | Navarretia leucocephala subsp. minima | James Jokerst | 1983-7-24 | 1882 | Lassen | Near Madeline Plains | 1614 | Comment | ||
JEPS19814 | Navarretia leucocephala subsp. minima | Rimo Bacigalupi with S. Galen Smith | 1957-6-28 | 6001 | Lassen | 3.1 mi s Madeline (along U.S. Highway 395); Madeline Plains | 1615 | Comment | ||
POM75594 | Navarretia leucocephala subsp. minima | Marcus E. Jones | 1897-6-18 | 10107 | Lassen | Chat. | 1524 | Comment | ||
RSA0035408 | Navarretia leucocephala subsp. minima | Lowell Ahart, John Dittes | 2008-6-20 | 14952 | Lassen | About 100 yards southwest of where the levee road crosses Big Valley Canal, in Big Valley, about 4 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7 miles (air) northeast of Bieber. | 1263 | Comment | ||
UC1137761 | Navarretia leucocephala subsp. minima | August L. Hormay | 1934-5-15 | Lassen | 2 mi n Eldridge's; Lassen Forest | 1524 | Comment | |||
UC1228161 | Navarretia leucocephala subsp. minima | Beecher Crampton | 1960-6-20 | 5731 | Lassen | 0.5 mi s Black Mtn. exper. Sta. U.S.D.A. Forest Service (11 mi nw Bogard Ranger Sta); Lassen National Forest | 1706 | Comment | ||
UC23714 | Navarretia leucocephala subsp. minima | M. S. Baker and F. Nutting | 1894-7-21 | Lassen | Eagle Lake | Comment | ||||
CHSC60840 | Navarretia linearifolia subsp. linearifolia | Vernon H. Oswald; Lowell Ahart | 1993-6-28 | 5616 | Lassen | N of Hwy 44 on Rd. 33N06, on the SSE flank of Harvey Mtn., NNE of Burgess Meadow, NE of Poison Lake. In woods along the road. | 1798 | Comment | ||
UC1137583 | Navarretia linearifolia subsp. linearifolia | A. Simontacchi | 1940-6-4 | 803 | Lassen | 7.0 mi sw Jacks Lake; Lassen National Forest, Halls Flat Quadrangle | Comment | |||
UC1609451 | Navarretia linearifolia subsp. linearifolia | Vernon H. Oswald and Lowell Ahart | 1993-6-28 | 5616 | Lassen | on Rd 33N06 n Hwy 44 (sse flank of mt., nne of Burgess Meadow, ne of Poison Lake); Harvey Mtn. | 1798 | 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 | ||
SEINET200214 | Navarretia minima | C. MIcMillan | 1949-6-15 | 1542 | Lassen | 5 miles W of Bleber. | Comment | |||
RSA164415 | Nemacladus capillaris | Clare B. Hardham | 1961-6-16 | 7450 | Lassen | Gold Run Creek south of Susanville. | Comment | |||
JEPS107402 | Nemophila parviflora var. austiniae | Lowell Ahart, John Dittes | 2005-6-1 | 11898 | Lassen | On the south side of Scott Road, east side of the railroad underpass, Long Valley, about 4 3/4 miles (air) north of the intersection of Scott Road and Highway 70, 6.2 miles (air) northwest of Hallelujah Junction | 1459 | Comment | ||
JEPS2980 | Nemophila parviflora var. austiniae | L. Constance | 1938-6-10 | 2324 | Lassen | 0.5 mi w Fredonyer Pass (junction of Crazy Harry and Westwood--Susanville Roads); w of Fredonyer Pass | 1676 | Comment | ||
UC107265 | Nemophila parviflora var. austiniae | T. S. Brandegee | 1892-7-2 | Lassen | Susanville | Comment | ||||
CHSC99497 | Nemophila pedunculata | Lowell Ahart; John Dittes | 2008-6-20 | 14918 | Lassen | About 100 yards southwest of where the levee road crosses Big Valley Canal, in Big Valley, about 4 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7 miles (air) northeast of Bieber. | 1263 | Comment | ||
JEPS118279 | Nemophila pedunculata | Lowell Ahart, John Dittes | 2011-6-20 | 17481 | Lassen | On old gopher mounds, meadow, about 15 yards east of the stream, about 40 yards south of where the road crosses Hunsinger Draw, 1.9 miles (air) northwest of Moll Reservoir, 2.8 miles (air) west of Ash Valley, 8.4 miles (air) southeast of Adin | 1520 | Comment | ||
CHSC65042 | Neoholmgrenia andina | Vernon H. Oswald; Lowell Ahart | 1995-7-5 | 6959 | Lassen | Modoc Plateau. North of Honey Lake at Bull Flat on Smoke Creek Ranch Rd., 10.3 mi e of Hwy. 395. At roadside. | 1432 | Comment | ||
JEPS97321 | Nicotiana attenuata | Vernon H. Oswald and L. Ahart | 1995-8-14 | 7182 | Lassen | T33N R14E NE1/4 Sec. 2, 5400 ft, Modoc Plateau, Sagebrush Scrub. Horse Lake Rd. (Lassen 536) at the railroad crossing 1 mi W of Hwy. 395, N of Susanville | 1645 | Comment | ||
UC1745659 | Nicotiana attenuata | Annetta M. Carter | 1945-9-30 | 1722 | Lassen | Sam Webb place near end of Eagle Lake; ; Sam Webb place near end of Eagle Lake. | 1554 | Comment | ||
UC26151 | Nicotiana attenuata | M. S. Baker and Frank Nutting | 1894-7-6 | Lassen | Dixie Valley | Comment | ||||
UCD126693 | Nicotiana attenuata | Gerald Dickinson | 1963-7-17 | 108 | Lassen | at entrance of Eagle Lake recreation site, Highway 139. | 1559 | Comment | ||
CHSC60719 | Nothocalais troximoides | Vernon H. Oswald; Lowell Ahart | 1993-6-14 | 5529 | Lassen | Eagle Lake Rd. (Lassen A1) at Sandy Beach on the W shore of Eagle Lake, ca. 2.0 mi ENE of Spaulding Tract Rd. (Rd. 518, 33N89). Dunes on the upper beach between the road and the lake. | 1566 | Comment | ||
UC8805 | Nuphar lutea subsp. polysepala | J. Burtt Davy | Jun 17 1897-Jun 24 1897 | 3336 | Lassen | Honey Lake Valley, deep pools of Susan River Susan River; Honey Lake Valley, Susan River | Comment | |||
CHSC106678 | Oenothera deltoides subsp. piperi | Zachary Garcia | 2008-5-3 | Lassen | Fort Sage Mtns. OHV Trailhead and Trail to Indian Springs. | 1439 | Comment | |||
CHSC12954 | Oenothera deltoides subsp. piperi | K. R. Stern; D. B. Joley, J. G. Geschke | 1974-6-22 | 5803 | Lassen | Field on w side of Janesville Rd., ca. 0.1 mi w of turnoff from Hwy. 395, ca. 11 mi se of Susanville. | Comment | |||
CHSC71093 | Oenothera deltoides subsp. piperi | Vernon H. Oswald; Lowell Ahart | 1998-5-22 | 9095 | Lassen | Hwy. 395 at an intermittent drainage crossing the road 2.3 mi south of Milford. On roadside banks along this section of highway. | 1255 | Comment | ||
UC1122216 | Oenothera deltoides subsp. piperi | E. Sawyer | 1935-6-27 | 231 | Lassen | Long Valley Sierraville Quadrangle | Comment | |||
NY998663 | Oenothera deltoides var. piperi | J. T. Howell | 1973-5-12 | 49230 -A | Lassen | On Highway 395 northwest of Doyl on road to Milford | 1280 | Comment | ||
RSA516978 | Oenothera elata subsp. hookeri | Barbara Ertter | 1987-7-24 | 7304 | Lassen | ca 3/4 mi ENE of Beckwourth Pass at end of old crumbling paved road. | 1524 | Comment | ||
UC20560 | Oenothera flava subsp. flava | M. S. Baker and F. Nutting | 1894-7-2 | Lassen | Dixey Mts. | Comment | ||||
UC157874 | Olsynium douglasii var. douglasii | Milo S. Baker | 1890-1 | Lassen | Milford | Comment | ||||
JEPS109987 | Oreostemma alpigenum var. andersonii | Dean W. Taylor | 2007-6-14 | 20131 | Lassen | Forest Rd. 28N56 (D-Line) ca. 2 mi N of Dyer Mtn. Lookout, SSW of Westwood | 1801 | Comment | ||
JEPS31991 | Oreostemma alpigenum var. andersonii | Duncan Dunning | 1921-8-15 | Lassen | above Westwood | Comment | ||||
UC831401 | Oreostemma alpigenum var. andersonii | A. A. Heller | 1937-9-1 | 15343 | Lassen | 1 mi e Westwood | 1524 | Comment | ||
HSC93438 | Oreostemma elatum | Vernon H. Oswald | 1996-8-1 | 8120 | Lassen | FS Rd. 28N56 (D-line), 2 mi. N of Dyer Mtn. Lookout, SSW of Westwood | 1738 | Comment | ||
CAS-BOT-BC500324 | Orobanche uniflora subsp. occidentalis | H. C. Cantelow | 1941-5-22 | s.n. | Lassen | Fredonyer Pass, 18.5 mi W of Susnville, Hwy 36 | Comment | |||
CHSC12936 | Orthocarpus cuspidatus subsp. cryptanthus | K. R. Stern | 1974-6-26 | 5870 | Lassen | N margin of meadow on s side of Hwy. 44, 5.6 mi n of intersection with County Rd. A-21 to Westwood. | Comment | |||
POM44258 | Orthocarpus hispidus | Marcus E. Jones | 1897-6-19 | s.n. | Lassen | Chat. | 1616 | Comment | ||
UC1776707 | Osmorhiza occidentalis | G. Schoolcraft | 1994-7-7 | 2447 | Lassen | About 1 mile W of Boot Lake | 2407 | Comment | ||
UC768463 | Oxytheca dendroidea subsp. dendroidea | R. F. Hoover | 1940-10-1 | 4656 | Lassen | Janesville | Comment | |||
UC1561831 | Packera cana | Barbara Ertter with Gary Schoolcraft | 1987-6-16 | 7194 | Lassen | Honey Lake Skeedaddle Mountains, Hot Springs Peak (ne side, saddle on e side of peak) | 2194 | Comment | ||
UC69607 | Paeonia brownii | J. Burtt Davy | Jun 17 1897-Jun 24 1897 | Lassen | Honey Lake Valley | Comment | ||||
CAS-BOT-BC10387 | Paeonia brownii | J. T. Howell; Gordon H. True; Margaret Williams | 1973-5-12 | 49158 | Lassen | In cemetary, Janesville | 1295 | Comment | ||
CHSC13509 | Panicum | J. Pitts | 1972-6-23 | 271 | Lassen | 50 yds. n of Eagle Lake Biology Station. | 1524 | Comment | ||
CAS-BOT-BC253720 | Panicum capillare | John Thomas Howell; Gordon H. True; Margaret Williams | 1973-6-28 | 49511 | Lassen | Elysian Valley, W of Janesville | 1325 | Comment | ||
NY1092251 | Panicum capillare | A. Tiehm | 1980-5-29 | 5759 | Lassen | Amedee Hot Springs, north end of Honey Lake Valley, 4 air miles SE of Wendel. | 1220 | Comment | ||
CHSC68873 | Pectiantia pentandra | Vernon H. Oswald; Lowell Ahart | 1997-6-24 | 8615 | Lassen | South of Susanville on the north side of Diamond Mtn. at a springy slope with streamlets along Forest Rd. 29N43, 5.4 miles east of Gold Run Rd. (29N10), 0.7 mi east of Lassen NF boundary. | 1889 | Comment | ||
CHSC91320 | Pectocarya penicillata | Lowell Ahart; John Dittes | 2005-6-1 | 11907 | Lassen | Road edge, on the north side of Scott Road, east side of the railroad underpass, Long Valley, about 4 3/4 miles (air) north of the intersection of Scott Road and Highway 70, 6.2 miles (air) northwest of Hallelujah Junction. | 1459 | Comment | ||
CHSC64871 | Pectocarya setosa | Vernon H. Oswald; Lowell Ahart | 1995-6-19 | 6892 | Lassen | Modoc Plateau. Between Litchfield and Ravendale on Smoke Creek Ranch Rd., 4.0 mi e of Hwy. 395. On a slope on the n side of the road. | 1383 | Comment | ||
CAS-BOT-BC7094 | Pedicularis attollens subsp. protogyna | Francis Whittier Pennell | 1940-6-10 | 25771 | Lassen | Route 36 road to Coppervale R.S., E of Westwood | Comment | |||
UC2042972 | Pedicularis semibarbata | Barbara Ertter | 1990-5-13 | 8965 | Lassen | McCoy Road N of Westwood, 3 mi from junction with A21, ca. 6 air miles N of Westwood. | Comment | |||
POM195123 | Penstemon deustus subsp. sudans | D. D. Keck | 1930-7-23 | 953 | Lassen | 4 miles west of Susanville, nearly to the divide; but not seen on western watershed. | 1463 | Comment | ||
POM195126 | Penstemon deustus subsp. sudans | D. D. Keck | 1930-7-23 | 948 | Lassen | Susanville. | 1280 | Comment | ||
CHSC62007 | Penstemon gracilentus | Eenam Sin | 1992-6-3 | 26 | Lassen | North east corner at the base of Gallatin Peak. | 1524 | Comment | ||
NY600703 | Penstemon gracilentus | G. Schoolcraft | 1990-7-9 | 2109 | Lassen | East slope of Tule Mountains | 1770 | Comment | ||
POM44653 | Penstemon gracilentus | Marcus E. Jones | 1897-6-21 | s.n. | Lassen | Chat. | 1616 | Comment | ||
UC1583940 | Penstemon gracilentus | G. Schoolcraft | 1990-7-9 | 2109 | Lassen | e slope of Tule Mtn. | 1767 | Comment | ||
NY600697 | Penstemon gracilentus | K. A. Vincent | 1986-7-19 | 4382 | Lassen | Sierra Nevada, Roop Mountain; along CA A1 at Eagle Lake Summit, ca. 7.6 miles north of junction CA 36, ca. 7 air miles northwest of Susanville. | 1932.4 | Comment | ||
SEINET10547576 | Penstemon heterodoxus var. shastensis | Mary Merello | 1993-6-27 | Merello 742 | Lassen | Lassen National Forest at intersection of Forest Service Road 32N15 and Hwy. 94. | 1700 | Comment | ||
POM195120 | Penstemon neotericus | D. D. Keck | 1930-7-23 | 957 | Lassen | 2 miles east of Westwood. | 1494 | Comment | ||
POM252804 | Penstemon neotericus | A. A. Heller | 1938-7-28 | 15294 | Lassen | West of Westwood. | Comment | |||
SEINET11262116 | Penstemon neotericus | Karl A. Vincent | 1987-8-5 | 4499 | Lassen | Sierra Nevada, Roop Mtn. Along CA A1 ca 4 mi NW of jct CA 36, site ca 6 air mi WNW of Susanville.; 0 | 1737 | Comment | ||
SEINET5329198 | Penstemon neotericus | C. G. Gulling | 1905-1 | 1543 | Lassen | Big Meadows | Comment | |||
HSC93439 | Penstemon neotericus | Vernon H. Oswald, L. Ahart | 1996-8-1 | 8118 | Lassen | Junction of FS Rd. 28N56 (D-Line) and the spur road to Indian Ole Dam on Mtn. Meadows Reservoir, SW of Westwood | 1537 | Comment | ||
NY627261 | Penstemon neotericus | F. W. Pennell | 1940-7-23 | 26248 | Lassen | Route 36, 3 miles northwest of Westwood | 1585.0 | Comment | ||
SBBG28997 | Penstemon neotericus | D. D. Keck | 1930-7-23 | 957 | Lassen | E of Westwood | 1493 | Comment | ||
RSA257090 | Penstemon newberryi | Christopher Davidson | 1974-7-23 | 2497 | Lassen | Lassen Volcanic Nat'l Park. Rd to Juniper Lake. | 2134 | Comment | ||
SEINET10547622 | Penstemon oreocharis | Mary Susan Taylor | 1974-1 | Taylor 287 | Lassen | Vicinity of Eagle Lake, ca. 13 mi NW of Susanville. | Comment | |||
CHSC118789 | Penstemon roezlii | L. P. Janeway; B. Castro | 2015-6-5 | 11757 | Lassen | Great basin, Modoc Plateau. Along the road from the south end of Surprise Valley to Tuledad Canyon, 7.4 road-km south of Surprise Valley Road; 1.4 air-km northwest of Mahogany Mtn. | 1731 | Comment | ||
CHSC4267 | Penstemon roezlii | K. R. Stern | 1967-6-24 | 2417 | Lassen | Murrer Meadow Road, ca. 3 mi. E of Eagle Lake Biological Station. | 1554 | Comment | ||
CHSC4877 | Penstemon roezlii | R. Carter | 1967-6-23 | 542 | Lassen | Growing ca. 5 yds off N side rd. | Comment | |||
CHSC5913 | Penstemon roezlii | R. Gein | 1946-6-26 | Lassen | Eagle Lake. Pine Creek bridge. | 1584 | Comment | |||
POM44788 | Penstemon roezlii | Marcus E. Jones | 1897-6-26 | s.n. | Lassen | Susanville, Perkin's Ranch. | 1463 | Comment | ||
SEINET201571 | Penstemon roezlii | A. Cronquist, AH Holmgren | 1959-6-18 | 8483 | Lassen | 5 mi S of Adin | Comment | |||
SEINET226061 | Penstemon roezlii | M. Lavin | 1982-5-30 | 4122 | Lassen | E of Hallelujah Junction 22 air mi NW of Reno W side of Petersen Mtns | 1676 | Comment | ||
SEINET12320798 | Penstemon rydbergii | M. S. Taylor | 1974-1 | 287 | Lassen | ca 2 mi E of Gallatin Beach, ca 1/2 mi S of Eagle Lake, ca 13 mi NW of Susanville | 1524 | Comment | ||
CAS-BOT-BC239495 | Penstemon rydbergii var. oreocharis | Leland S. Smith | 1927-7-1 | 49 | Lassen | Lassen National Forest, at Bogard Ranger Station | Comment | |||
JEPS6627 | Penstemon rydbergii var. oreocharis | A. A. Heller | 1938-6-22 | 15182 | Lassen | along Highway #36 one mi e Westwood; e of Westwood | 1524 | Comment | ||
NY651293 | Penstemon rydbergii var. oreocharis | A. A. Heller | 1938-6-23 | 15193 | Lassen | About 3 miles east of Westwood | Comment | |||
UC1063479 | Penstemon rydbergii var. oreocharis | Robert W. Gardner | 1937-6-20 | G- 19 | Lassen | Burgess Spring Halls Flat Quad., Burgess Spring | Comment | |||
UCSB6193 | Penstemon rydbergii var. oreocharis | Heller, A. | 1938-6-23 | Lassen | East of Westwood | 1493 | Comment | |||
HSC35070 | Penstemon speciosus | D. H. Norris, T. Nelson, S. Dowty | 1971-6-22 | 19189 | Lassen | Harvey Valley near Cone Springs | Comment | |||
HSC81485 | Penstemon speciosus | Thomas W. Nelson, Jane Nelson | 1980-7-6 | 6018 | Lassen | Along Adin-Madeline Rd. 0.5 mi. W of Moll Reservoir. | 1585 | Comment | ||
JEPS95972 | Penstemon speciosus | Vernon H. Oswald and L. Ahart | 1999-6-9 | 9747 | Lassen | Northeast of Susanville on County Rd. 216 (to Karlo and Biscar Wildlife Management Area) 5.2 mi west of Hwy. 395, 0.2 mi east of the RR crossing at Karlo: T31N R15E SE1/4 Sect. 7, 4440 ft elevation, sagebrush scrub, white volcanic ash substrate | 1353 | Comment | ||
POM194755 | Penstemon speciosus | D. D. Keck | 1930-7-23 | 947 | Lassen | Reno Junction (formerly Chats). | 1494 | Comment | ||
UCR183192 | Penstemon speciosus | Jim Andre, G. L. Clifton | 1993-5-28 | 7713 | Lassen | Along Hwy 395 c. 25 mi. NE of Susanville at Viewland exit, NE of Shaffer Mtn | 1349 | Comment | ||
CAS-BOT-BC239664 | Penstemon sudans | John Thomas Howell | 1976-7-20 | 52014 | Lassen | About 5 miles west of Fredonyer Pass near confluence of Susan River and Willard Creek | 1432 | Comment | ||
CAS-BOT-BC239666 | Penstemon sudans | John Thomas Howell | 1974-7-9 | 50479 | Lassen | Between Susanville and SW end of Eagle Lake | 1828 | Comment | ||
CAS-BOT-BC243408 | Penstemon sudans | David D. Keck | 1930-7-23 | 953 | Lassen | Four miles west of Susanville, Sierra Nevada | 1463 | Comment | ||
JEPS9321 | Penstemon sudans | George W. Gillett | 1953-7-13 | 274 | Lassen | Highway 36, one mi e Fredonyer Pass (Lassen National Forest); , e of Fredonyer Pass | 1706 | Comment | ||
NY661805 | Penstemon sudans | J. T. Howell | 1973-8-1 | 50153 | Lassen | Gold Run Creek road south of Susanville, Diamond Range | Comment | |||
UC1036207 | Penstemon sudans | George W. Gillett | 1953-7-13 | 274 | Lassen | Highway 36 one mi e Fredonyer Pass; Lassen National Forest, e of Fredonyer Pass | 1706 | Comment | ||
UC1583939 | Penstemon sudans | G. Schoolcraft | 1990-8-6 | 2121 | Lassen | along Bizz Johnson Trail w Susanville; along Bizz Johnson Trail w of Susanville | 1310 | Comment | ||
UC423673 | Penstemon sudans | David D. Keck | 1930-7-23 | 948 | Lassen | Susanville Sierra Nevada, Susanville | 1280 | Comment | ||
UC887362 | Penstemon sudans | Lewis S. Rose | 1940-6-15 | 40594 | Lassen | 10 mi n Susanville (Round Valley); , n of Susanville | 1524 | Comment | ||
JEPS83459 | Penstemon venustus | Vernon Oswald | 1986-7-22 | 2219 | Lassen | 1 mi ne of Fredonyer Pass (Highway 36); Highway 36 | 1706 | Comment | ||
RSA594173 | Peraphyllum ramosissimum | S. O. Mattoon | 1974-6-2 | 42 | Lassen | Cottonwood Mountains: Vicinity of Dodge Res.; Lassen County Road 502. | 1829 | Comment | ||
CHSC27656 | Perideridia bolanderi | Jerry Snodgrass | 1978-7-11 | 54 | Lassen | Papoose Creek, SE corner of Eagle L. | 1584 | Comment | ||
CHSC5921 | Perideridia bolanderi | J. E. Wolf | 1946-6-23 | Lassen | Pine Creek Slough, Eagle Lake. | 1584 | Comment | |||
UC1123141 | Perideridia bolanderi subsp. bolanderi | A. Simontacchi | 1940-6-11 | 846 | Lassen | 3.7 mi sse Black Mtn.; Lassen National Forest, Halls Flat Quadrangle | Comment | |||
SEINET5320866 | Perideridia bolanderi subsp. bolanderi | Unknown | 1968-6-3 | 2882 | Lassen | Northeast of Litchfield; North of Honey Lake, west side of Highway 395, 7.4 miles northeast of Litchfield. Near historical marker about emigrants and approximately 500 feet north of it | Comment | |||
CHSC105249 | Perideridia lemmonii | Lowell Ahart; John Dittes | 2010-7-31 | 16991 | Lassen | On the south side of the large culvert, where the road crosses Hunsinger Draw, 1.9 miles (air) northwest of Moll Reservoir, 2.8 miles (air) west of Ash Valley, 8.4 miles (air) southeast of Adin. | 1516 | Comment | ||
UC1143014 | Perideridia oregana | August L. Hormay | 1934-7-2 | Lassen | Headquarters Lassen National Forest (1/2 mi n of Black's Mtn.) | 1706 | Comment | |||
CHSC30561 | Persicaria | Sori H. Shad | 1970-6-19 | 8 | Lassen | Found on pine creek, 50 yard below california fish and game cambine [sic[. | 1524 | Comment | ||
CAS-BOT-BC7522 | Phacelia adenophora | Elmer Ivan Applegate | 1897-6-3 | 895 | Lassen | Madeline Plains | Comment | |||
JEPS25529 | Phacelia adenophora | Rimo Bacigalupi with Lincoln Constance | 1959-6-16 | 7143 | Lassen | US Hwy 395 1/4 mi s junction of road to Smoke Creek (playa beside road) | 1341 | Comment | ||
POM266184 | Phacelia adenophora | J. T. Howell | 1934-6-10 | 11898 | Lassen | Horse Lake | Comment | |||
UC1088434 | Phacelia adenophora | Peter H. Raven and Otto T. Solbrig | 1958-6-17 | 13281 | Lassen | 5.7 mi s Ravendale | Comment | |||
UC1567436 | Phacelia adenophora | G. Schoolcraft | 1989-5-16 | 1876 | Lassen | w Hwy 295; Secret Valley | 1347 | Comment | ||
UC604541 | Phacelia adenophora | C. W. Sharsmith | 1938-7-18 | 3639 | Lassen | 3 mi s Termo; Madeline Plains | Comment | |||
UCD84588 | Phacelia adenophora | J. DiTomaso | 2010-7-2 | s.n. | Lassen | 15 miles E of Hwy 395 on Smoke Creek Ranch Road. Three miles W of Nevada state line. | Comment | |||
HSC22962 | Phacelia adenophora | John Pratt | 1970-7-5 | 66 | Lassen | 1250 | Comment | |||
SEINET12332924 | Phacelia adenophora | A. Tiehm, Nachlinger, J.; Williams, M. | 1988-1 | 11701 | Lassen | S side of Shaffer Mt., 3.4 road mi N of the Wendel road on Hwy 395 from Susanville to Alturas | Comment | |||
SEINET5536525 | Phacelia adenophora | G. Schoolcraft | 1980-6-5 | 252 | Lassen | Northeast side of Snowstorm Mtn. | 1585 | Comment | ||
UCD72517 | Phacelia adenophora | Joe DiTomaso | 2008-5-15 | s. n. | Lassen | Modoc Plateau, just inside California (from Nevada) on Smoke Creek Road near Ravendale. | Comment | |||
RSA715550 | Phacelia bicolor | L. Ahart, John Dittes | 2005-6-1 | 11886 | Lassen | On the north side of Scott Road, Long Valley, about 4.25 miles (air) north of the intersection of Scott Road and Highway 70, 5.5 miles (air) northwest of Hallelujah Junction. | 1434 | Comment | ||
CHSC48469 | Phacelia glandulifera | Vernon Oswald | 1986-5-28 | 2056 | Lassen | Road 201 on the w side of Eagle Lake, 28.7 mi n of Hwy 36, 6.8 mi sw of Hwy 139. | 1584 | Comment | ||
JEPS118499 | Phacelia hastata | A. Holmen | 2011-8-23 | CA 320 -94 | Lassen | South US Hwy 295 to Termo and turn left onto Lassen Co. Rd 508 (Juniper Ridge Rd). Follow this road for 11 miles to Cold Springs Rd and head north for 3.3 miles. Turn left and travel 1.5 miles. Collection site will be to the west heading up draw. | Comment | |||
UC1523735 | Phacelia hastata | Gary Schoolcraft | 1981-6-15 | 462 | Lassen | Ash Valley | 1584 | Comment | ||
CHSC14060 | Phacelia hastata subsp. hastata | K. R. Stern; D. B. Joley, J. G. Geschke | 1974-6-22 | 5818 | Lassen | Patch of dark volcanic ash in sagebrush area, ca. 16.5 mi w of Madeline, on Madeline-Adin Road. | 1548 | Comment | ||
CHSC5260 | Phacelia heterophylla subsp. virgata | A. Santos | 1946-6-25 | Lassen | Spalding's Eagle Lake Resort. | 1558 | Comment | |||
UC773947 | Phacelia heterophylla subsp. virgata | L. R. Short and Wm. Gansberg | 1936-7-9 | S- 478 | Lassen | Burgess Spring Experiment Range Lassen <National> Forest | 1795 | Comment | ||
CHSC4910 | Phacelia humilis | A. E. Anderson | 1967-6-23 | 5 | Lassen | Around Eagle Lake Biological Station. | 1554 | Comment | ||
SEINET12765228 | Phacelia humilis | Vernon H. Oswald, Lowell Ahart | 1997-6-24 | 8620 | Lassen | South of Susan ville near the small pond on the crest of Diamond Mtn. at a impoundment on Forest Rd. 29N43, ca. 7.4 miles east of Gold Run Rd. (29N10), ca. 2.7 mi east of Lassen NF boundary.; 0 | 2036 | Comment | ||
UC133065 | Phacelia humilis | T. S. Brandegee | 1892-6-26 | Lassen | Milford | Comment | ||||
UC1562814 | Phacelia humilis | Barbara Ertter with Gary Schoolcraft | 1987-6-16 | 7196 | Lassen | saddle on e side Hot Springs Peak (ne side of Honey Lake); Skeedaddle Mountains | 2194 | Comment | ||
RSA128301 | Phacelia humilis var. humilis | Peter H. Raven, Otto T. Solbrig | 1958-6-16 | 13246 | Lassen | Four and a half miles east of Westwood on State Highway 36. | Comment | |||
CHSC12442 | Phacelia linearis | Robert W. Severin | 1969-6-25 | 33 | Lassen | E.L.B.S. 25 feet s of library. | 1569 | Comment | ||
CHSC23708 | Phacelia linearis | R. Smallwood | 1970-6-20 | 120 | Lassen | Eagle Lake Biol. Station. 5 yds e of Shepherd's Hall. | Comment | |||
CHSC92755 | Phacelia linearis | L. P. Janeway | 2005-7-4 | 8463 | Lassen | High Cascade Range. Ridge top north above Long Valley; 0.4 km west of Road 34N41. | 1752 | Comment | ||
JEPS1192 | Phacelia linearis | Mrs. C. C. Bruce | June 1898 | 2190 | Lassen | Madaline Plains | Comment | |||
JEPS94103 | Phacelia linearis | Vernon H. Oswald and Lowell Ahart | 1998-5-22 | 9106 | Lassen | ca. 5 mi. n.-n.e. Doyle (rd. to ORV parking area in Fort Sage Mts., 0.5 mi. e. of Fort Sage Rd.); Fort Sage Mts. | 1371 | Comment | ||
NY998462 | Phacelia linearis | N. H. Holmgren | 1980-7-4 | 9501 | Lassen | Observation Peak, south side of mountain, 18 km (11 miles) airline distance east of Ravendale | 1890 | Comment | ||
NY1056442 | Phacelia lutea var. glandulifera | A. J. Cronquist | 1959-6-17 | 8479 | Lassen | 1 mile south of Ravendale, 40 miles northeast of Susanville. | 1615.4 | Comment | ||
NY1056438 | Phacelia lutea var. glandulifera | P. A. Munz | 1947-5-19 | 11874 | Lassen | 19 miles south of Ravendale | 1341 | Comment | ||
OBI75900 | Phacelia racemosa | Anthony Baniaga | 2011-8-1 | 477 | Lassen | Lassen Natl Forest. SW Swain Meadow, near marker tree #27. Swain Mtn quad T30N R8E sec 34 NE of NW | 1764 | Comment | ||
CHSC23109 | Phacelia ramosissima | Robert A. Schlising | 1974-6-25 | 3149 | Lassen | East side of Eagle Lake, just south of Eagle Lake Field Station; basaltic rocks from Black Mt. lava flow near Bly Tunnel. | Comment | |||
POM203780 | Phacelia ramosissima var. eremophila | J. T. Howell | 1934-6-10 | 11873 | Lassen | Janesville | Comment | |||
JEPS79143 | Phacelia thermalis | L. R. Heckard with R. Bacigalupi | 1980-6-11 | 5245 | Lassen | along US 395 s Deep Creek crossing (11.3 mi n of Litchfield) | 1463 | Comment | ||
UC1187649 | Phacelia thermalis | Lincoln Constance, Elwood Molseed, John Weiler | 1960-6-13 | 3678 | Lassen | 9 mi n Litchfield | 1219 | Comment | ||
POM266079 | Phacelia thermalis | C. L. Hitchcock | 1940-5-26 | 6641 | Lassen | Floodplain of Pitt River, one mile west of Bieber. | Comment | |||
CHSC4271 | Phlox diffusa | K. R. Stern | 1967-6-25 | 2430 | Lassen | On road to Eagle Lake Biological Station, ca. 3 mi. E of Eagle Lake. | 1676 | Comment | ||
CHSC61165 | Phlox diffusa | Vernon H. Oswald; Lowell Ahart | 1993-5-12 | 5372 | Lassen | SW side of Hwy. 44, 0.9 mi NW of its intersection with A21 (to Westwood). | 1737 | Comment | ||
JEPS69974 | Phlox diffusa | Frances D. Payne | 1929-7-12 | 76 | Lassen | above Lost Lake (se extremity of Warner Mountains); Warner Mountains | 2286 | Comment | ||
JEPS94530 | Phlox diffusa | Vernon Oswald and Lowell Ahart | 1997-6-24 | 8638 | Lassen | s of Susanville (near the small pond on the crest of Diamond Mountain about midway between Aspen Flat and Red Rock Lookout); crest of Diamond Mountain | 2249 | Comment | ||
UC106950 | Phlox diffusa | T. S. Brandegee | 1892-7-2 | Lassen | Susanville | Comment | ||||
POM74334 | Phlox diffusa subsp. subcarinata | Marcus E. Jones | 1897-6-18 | 10489 | Lassen | Chat. | 1524 | 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 | ||
UC972192 | Phlox gracilis | Milo S. Baker | 1952-5-23 | 12414 | Lassen | e of Chester (Hwy 36) | Comment | |||
CHSC23546 | Phlox hoodii subsp. canescens | Wayne O. Baum | 1971-6-28 | 71 -35 | Lassen | S. slope of Gallatin Peak. | 2042 | Comment | ||
CHSC4772 | Phlox speciosa | R. Carter | 1967-6-27 | 563 | Lassen | Ca. 5 yds. off N side of Rd. | Comment | |||
JEPS29740 | Phlox speciosa subsp. occidentalis | Rimo Bacigalupi, and L. R. Heckard | 1962-5-28 | 8495 | Lassen | 2.7 mi n Milford (along U.S. Highway 395) | 1219 | Comment | ||
NY963725 | Phlox speciosa var. nitida | H. D. D. Ripley | 1944-5-29 | 5955 | Lassen | South of Janesville | 1280 | Comment | ||
JEPS107929 | Phlox stansburyi | Lowell Ahart, John Dittes | 2005-6-1 | 11846 | Lassen | On the east side of the poor dirt road, about 1/2 mile west of Scott Road, Long Valley, about 2 miles (air) northwest of the intersection of Scott Road and Highway 70, 3.9 miles (air) northwest of Hallelujah Junction | 1448 | Comment | ||
UC106965 | Phlox stansburyi | T. S. Brandegee | 1892-6-22 | Lassen | Honey lake | Comment | ||||
CHSC68854 | Phoenicaulis cheiranthoides | Vernon Oswald; Lowell Ahart | 1997-6-24 | 8622 .1 | Lassen | South of Susanville on the north side of Diamond Mtn. on Forest Rd. 21N52, 1.0 mi southwest of its junction with 29N43. Roadcut. | 2164 | Comment | ||
UC1126723 | Phoenicaulis cheiranthoides | A. Simontacchi | 1940-5-17 | 753 | Lassen | 1.1 mi ssw of Dixie Spring (Lassen National Forest); Lassen National Forest | 1699 | Comment | ||
JEPS127162 | Phoradendron bolleanum | Lowell Ahart, John Dittes | 2016-7-13 | 21136 | Lassen | 0.6 miles south of County Road A-2, 5.3 miles (air) east of Bieber, 7.3 miles (air) southwest of Adin, hills at southern slope of Big Valley. | Comment | |||
RSA518540 | Pinus ponderosa | George K. Helmkamp | 1990-10-4 | 12 | Lassen | South of Susanville in Plumas National Forest; north of Milford Pass. | 1463 | Comment | ||
NY951542 | Pinus ponderosa var. ponderosa | D. H. Goldman | 2004-11-6 | 2941 | Lassen | Along the N side of Forest Road 32N08, just N of Pine Creel Valley and about 1.8 miles E of the intersection with Rt. 44. Crater Lake Mountain, Lassen National Forest | 1725 | Comment | ||
CDA601 | Pinus washoensis | Gordon Leppig, Sylvia Leppig and Juli & Kai Neander | 1998-8-18 | 1065 | Lassen | Modoc National Forest, Blue Lake Campground | Comment | |||
JEPS28710 | Plagiobothrys cognatus | George W. Gillett | 1957-7-28 | 941 | Lassen | Widow Lake Lassen Volcanic National Park (marsh area near w end) | 2072 | Comment | ||
JEPS28716 | Plagiobothrys cognatus | George W. Gillett | 1957-7-29 | 954 | Lassen | Snag Lake Lassen Volcanic National Park (shoreline near e inlet) | 1850 | Comment | ||
CHSC106079 | Plagiobothrys cusickii | Lowell Ahart; John Dittes | 2010-7-31 | 17014 | Lassen | About 2,300 feet north of where the road crosses Hunsinger Draw, 1.9 miles (air) northwest of Moll Reservoir, 2.8 miles (air) west of Ash Valley, 8.4 miles (air) southeast of Adin. | 1510 | Comment | ||
CHSC113070 | Plagiobothrys cusickii | Lowell Ahart; John Dittes | 2013-7-22 | 18870 | Lassen | Drainage filled with dirt from construction of a pond, 10 yards south of the man made pond, about 140 yards north of the four tall poles, Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. | 1267 | Comment | ||
JEPS119643 | Plagiobothrys cusickii | Lowell Ahart, John Dittes | 2012-7-9 | 18284 -A | Lassen | Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. | Comment | |||
RSA0105587 | Plagiobothrys cusickii | Lowell Ahart, John Dittes | 2013-7-22 | 18870 | Lassen | 10 yards south of the man made pond, about 140 yards north of the four tall poles, Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. | 1267 | Comment | ||
SBBG128883 | Plagiobothrys cusickii | L. Ahart, J. Dittes | 2008-6-20 | 14914 | Lassen | vernal pool, ca. 100 yards SW of where the levee rd crosses Big Valley Canal, in Big Valley, ca. 4 mi (air) NE of the Headquarters at Ash Crk State Wildlife Area, ca. 7 mi (air) NE of Bieber | 1263 | Comment | ||
CAS-BOT-BC224973 | Plagiobothrys hispidulus | John Thomas Howell | 1934-7-10 | 12549 | Lassen | Long's [Longs] Well | Comment | |||
CAS-BOT-BC224978 | Plagiobothrys hispidulus | Philip A. Munz | 1947-5-20 | 11891 | Lassen | Milford | 1264 | Comment | ||
CHSC112430 | Plagiobothrys hispidulus | Lowell Ahart; John Dittes, Todd Sloat | 2013-6-8 | 18730 | Lassen | About 30 yards north of the four tall poles, Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. | 1267 | Comment | ||
CHSC113067 | Plagiobothrys hispidulus | Lowell Ahart; John Dittes | 2013-7-22 | 18854 | Lassen | Drainage filled with dirt from construction of a pond, about 30 yards south of the man made pond, about 120 yards north of the four tall poles, Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. | 1267 | Comment | ||
CHSC115562 | Plagiobothrys hispidulus | Lowell Ahart; John Dittes | 2015-7-13 | 20318 | Lassen | About 100 yards southwest of the 4 tall poles, Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. | 1267 | Comment | ||
CAS-BOT-BC224971 | Plagiobothrys hispidulus | Gary Schoolcraft | 1983-8-24 | 1146 | Lassen | Big Dry Lake S of Walsh Mountain | 1615 | Comment | ||
JEPS107963 | Plagiobothrys kingii var. harknessii | Lowell Ahart, John Dittes | 2005-6-1 | 11891 | Lassen | On the north side of Scott Road, Long Valley, about 4 1/4 miles (air) north of the intersection of Scott Road and Highway 70, 5.5 miles (air) northwest of Hallelujah Junction | 1433 | Comment | ||
UC1609123 | Plagiobothrys kingii var. harknessii | Vernon H. Oswald and Lowell Ahart | 1993-6-14 | 5538 | Lassen | n side Eagle Lake Road (Lassen A1) at Sandy Beach Road (w shore of lake, ca 2.0 mi ene of Spaulding Tract Rd. (Rd. 518, 33N89)); Eagle Lake | 1566 | Comment | ||
CAS-BOT-BC228462 | Plagiobothrys mollis | G. Schoolcraft | 1986-7-28 | 1665 | Lassen | Along edge of Moll Res. W of Ash Valley | 1606 | Comment | ||
CHSC110912 | Plagiobothrys mollis var. mollis | Lowell Ahart; John Dittes | 2012-7-9 | 18283 | Lassen | About 100 yards southeast of the tall poles, Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. | 1267 | Comment | ||
CHSC99536 | Plagiobothrys mollis var. mollis | Lowell Ahart; John Dittes | 2008-6-20 | 14921 | Lassen | In vernal pools, about 100 yards southwest of where the levee road crosses Big Valley Canal, in Big Valley, about 4 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7 miles (air) northeast of Bieber. | 1263 | Comment | ||
RSA39738 | Plagiobothrys scouleri var. hispidulus | P. A. Munz | 1947-5-20 | 11891 | Lassen | Milford. | 1265 | Comment | ||
UC101433 | Plagiobothrys tenellus | Marcus E. Jones, A. M. | 1897-6-18 | 7141 | Lassen | Chat | 1524 | Comment | ||
UC496322 | Plagiobothrys tenellus | Doris Keldale Gillespie | 1930-5-12 | 9329 | Lassen | 2 mi s Susanville (on road to Alturas) | Comment | |||
HSC95289 | Platanthera dilatata var. leucostachys | Gordon Leppig, J. Cromwell | 1997-7-26 | 602 | Lassen | Modoc National Forest, Blue Lake Ranch | 1970 | Comment | ||
CHSC30564 | Platanthera leucostachys | Sori H. Shad | 1970-6-19 | 21 | Lassen | Above and east of Galatin Beach. | 1524 | Comment | ||
CHSC96724 | Platanthera leucostachys | Gordon Leppig | 1998-7-12 | 941 | Lassen | Modoc National Forest, Blue Lake Ranch. Peatland in large meadow complex. | 1970 | Comment | ||
CHSC7742 | Plectritis macrocera | Beverly J. Wise | 1969-4-10 | 118 | Lassen | 2.8 mi. north of Susanville on Shasta Forest logging Rd #7-off Hwy 139. | 1341 | Comment | ||
UC1562342 | Pleiacanthus spinosus | Vernon Oswald and Lowell Ahart | 1990-7-25 | 4395 | Lassen | 2.2 mi w Highway 395 (intersection of Hwy 70 and Scott Rd) | 1463 | Comment | ||
UCD92172 | Poa | A. A. Beetle | 1941-6-28 | 2815 | Lassen | 6 miles south of Ravendale, lower slopes of Observation Peak. | Comment | |||
HSC68801 | Poa bolanderi | Gary Schoolcraft | 1980-8-13 | 349 | Lassen | N side of Diamond Mtn. | 1951 | Comment | ||
UCD54537 | Poa bulbosa | Ellen Dean; Petra Unger, Dawn Cunningham | 2005-10-10 | 2722 | Lassen | E. of town of Susanville, along C.R. A27 (Center Rd.) Grounds of California Correctional Facility. Sewage treatment plant area. | 1247 | Comment | ||
UC1024913 | Poa cusickii subsp. cusickii | Leo Whitney | 1935-6-26 | 3369 | Lassen | meadow near Fruit Grower's Supply Company Fruit Grower's Supply Company; Lassen Nat'l Forest | Comment | |||
HSC95280 | Poa leptocoma subsp. leptocoma | Gordon Leppig | 1998-7-12 | 944 | Lassen | Modoc National Forest, Blue Lake Ranch. | 1970 | Comment | ||
CAS-BOT-BC246864 | Poa nervosa | John Thomas Howell | 1934-6-14 | 12170 | Lassen | Near Lost Lake, Warner Mts. | 2438 | Comment | ||
CAS-BOT-BC247320 | Poa pratensis | Ira L. Wiggins; Dorothy B. Wiggins | 1961-6-11 | 16337 -A | Lassen | 13.5 mi. E. of Susanville | Comment | |||
CDA2366 | Poa pratensis | A. A. Beetle | 1941-6-28 | 2797 | Lassen | 10 miles west of Chester. | Comment | |||
UCD91978 | Poa pratensis | L. Whitney | 1933-8-1 | s.n. | Lassen | Slate Creek. | 1920 | Comment | ||
SEINET10867718 | Poa pratensis | Katherine L. Morris | 1973-5-25 | Morris 243 | Lassen | Collected 7.6 mi NW of Jct of Hwy 36 & 44 on Hwy 44, in an area of yellow pine and incense cedar; very moist area. | Comment | |||
CHSC91319 | Poa pratensis subsp. pratensis | Lowell Ahart; John Dittes | 2005-6-1 | 11848 | Lassen | On the west side of the poor dirt road, about 1/2 mile west of Scott Road, Long Valley, about 2 miles (air) northwest of the intersection of Scott Road and Highway 70, 3.9 miles (air) northwest of Hallelujah Junction. | 1448 | Comment | ||
UC1024829 | Poa pratensis subsp. pratensis | Leo Whitney | 1935-6-12 | 3231 | Lassen | Camp 10 Fruit Grower's Supply Company; Lassen Nat'l Forest | Comment | |||
UC60738 | Poa pratensis subsp. pratensis | M. S. Baker and Frank Nutting | 1894-7-9 | Lassen | Pine Creek | Comment | ||||
POM267991 | Poa secunda | D. D. Keck | 1944-7-8 | 5449 | Lassen | 1.5 mi W. of Susanville, on rim of plateau overlooking Susan River canyon | 1341 | Comment | ||
SD34480 | Poa secunda | A. A. Beetle | 1941-6-28 | 2797 | Lassen | 10 miles west of Chester, mountain meadow | 1524 | Comment | ||
SEINET10522723 | Poa secunda | Jeffrey Huber | 1971-6-2 | Huber 106 | Lassen | 4 mi S of Adin along CA Hwy 139 in basalt-clay; valley floor in Artemesia. | 1341 | Comment | ||
CAS-BOT-BC236251 | Poa secunda subsp. juncifolia | John Thomas Howell | 1934-6-14 | 12172 | Lassen | Near Lost Lake, Warner Mountains | 2438 | Comment | ||
CAS-BOT-BC236253 | Poa secunda subsp. juncifolia | John Thomas Howell | 1934-7-6 | 12459 | Lassen | Harvey Valley | Comment | |||
CAS-BOT-BC236258 | Poa secunda subsp. juncifolia | David D. Keck | 1944-7-8 | 5456 | Lassen | 5 miles E of Westwood on road to Fredonyer Pass | 1584 | Comment | ||
UCD92157 | Poa secunda subsp. juncifolia | A. A. Beetle; G. L. Stebbins Jr. | 1942-5-29 | 3370 | Lassen | 5.2 miles E of Bieber, Big Valley. | Comment | |||
UCD92164 | Poa secunda subsp. juncifolia | J. E. Coke | 1932-12-1 | s.n. | Lassen | Lassen County. | Comment | |||
HSC79825 | Poa secunda subsp. secunda | William Rothstrom | 1975-6-9 | Lassen | Johnstonville, 0.25 mi. S of Hwy. 395, W of airport | Comment | ||||
SEINET7294129 | Poa secunda subsp. secunda | John Thomas Howell, Gordon H. True; Margaret Williams | 1973-1 | 49197 | Lassen | In open yellow pine forest, Elysian Valley northwest of Janesville. | 1326 | Comment | ||
UC1024813 | Poa secunda subsp. secunda | Leo Whitney | 1935-6-19 | 3266 | Lassen | Camp 10 Fruit Grower's Supply Company; Lassen Nat'l Forest | 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 | |||
UC1132883 | Poa secunda subsp. secunda | A. Simontacchi | 1940-5-13 | 697 | Lassen | 4.6 mi sw of B. M. 7310 on Blacks Mt; Lassen Nat'l Forest, Halls Flat Quadrangle | Comment | |||
UCD90487 | Poa secunda subsp. secunda | A. A. Beetle | 1941-6-28 | 2797 | Lassen | 10 miles W of Chester. | 1524 | Comment | ||
UCD91578 | Poa wheeleri | Beecher Crampton | 1964-6-25 | 7070 | Lassen | 25 miles northwest of Susanville, State Hwy. 44, Bogard Ranger Station, Lassen National Forest. | 1722 | Comment | ||
UC1609361 | Pogogyne floribunda | Vernon H. Oswald and Lowell Ahart | 1993-7-8 | 5669 | Lassen | ca. 5.4 mi. (air) n.w. Poison Lake (Halls Flat Rd. (33N18), 1.4 mi. s.-s.w. of Pittville Rd. (Lassen 111, 36N01), w. side of rd.) | 1694 | Comment | ||
UCD80867 | Pogogyne floribunda | Robert E. Preston | 2007-7-8 | 2570 | Lassen | Big Valley Mtns, 0.4 mi NE of Big Valley Summit, along Hwy 299. | 1396 | Comment | ||
CHSC112409 | Polemonium micranthum | Lowell Ahart; John Dittes, Todd Sloat | 2013-6-8 | 18743 | Lassen | Drainage filled with dirt from construction of a pond, about 30 yards north of the four tall poles, Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. | 1267 | Comment | ||
JEPS120846 | Polemonium micranthum | Lowell Ahart, John Dittes, Todd Sloat | 2013-6-8 | 18743 | Lassen | About 30 yards N of the four tall poles, Ash Creek State Wildlife Area, about 5.5 air miles NE of Bieber, Big Valley. | Comment | |||
UC1483864 | Polemonium micranthum | M. Meyer | 1980-5-1 | Lassen | e Horse Lake Road (s of Ravendale); , e of Horse Lake Road | 1645 | Comment | |||
JEPS17614 | Polemonium occidentale | Rimo Bacigalupi | 1955-7-20 | 5404 | Lassen | on grade 2.3 mi s Patterson Ranger Station ([and 0.8 mi s of Lassen-Modoc county line], meadowy spots along East Creek, southern end of the Warner Mountains); Modoc National Forest, Warner Mountains, East Creek | 2011 | Comment | ||
NY182309 | Polyctenium fremontii | A. Tiehm | 1984-6-25 | 8825 | Lassen | Rodeo Flat, 2.7 road miles west of the state line on Buckhorn road from Ravendale to highway 81. | 1828.8 | Comment | ||
NY182333 | Polyctenium fremontii | H. D. D. Ripley | 1944-5-30 | 5970 | Lassen | South of Ravensdale. | 1691.6 | Comment | ||
UCD115151 | Polyctenium fremontii | Arnold Tiehm; Margaret Williams, Jan Nachlinger | 1988-6-2 | 11703 | Lassen | 6.6 road miles north of Wendel Road on Highway 395 from Susanville to Alturas. | 1347 | Comment | ||
CAS-BOT-BC167848 | Polygala subspinosa | H. D. Ripley; R. C. Barneby | 1943-6-15 | 5760 | Lassen | E. of Viewland | 1310 | Comment | ||
CHSC64797 | Polygala subspinosa | Vernon H. Oswald | 1995-5-31 | 6815 | Lassen | Modoc Plateau. Smoke Creek Ranch Rd. 2.4 mi e of Hwy. 395, between Litchfield and Ravendale. | 1353 | Comment | ||
UCD109689 | Polygala subspinosa | T. Wendt; E. Lott | 1975-6-12 | 1031 | Lassen | 4.5 mi. E of Rte 395 on Smoke Creek Ranch Road, E. of Mud Flat. | 1371 | Comment | ||
UC1192333 | Polygonum amphibium var. emersum | Verne Grant and Irving Schneider | 1947-7-30 | 8192 | Lassen | Tule Lake; s point of w embayment | Comment | |||
UC1537257 | Polygonum amphibium var. emersum | Gordon H. True | 1936-6-22 | 514 | Lassen | Honey Lake Valley; deep slough | 1219 | Comment | ||
POM104579 | Polygonum amphibium var. stipulaceum | Marcus E. Jones | 1897-6-21 | s.n. | Lassen | Chat. | 1616 | Comment | ||
POM104627 | Polygonum bistortoides | Marcus E. Jones | 1897-6-21 | s.n. | Lassen | Chat. | 1616 | Comment | ||
POM253247 | Polygonum bistortoides | A. A. Heller | 1938-6-23 | 15141 | Lassen | 2 miles E of Westwood | Comment Read comments Jun 1 2009 |
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UC465777 | Polygonum californicum | T. S. Brandegee | 1892-6-30 | Lassen | Susanville | Comment | ||||
JEPS117591 | Polygonum douglasii subsp. douglasii | Lowell Ahart, John Dittes | 2010-7-31 | 16978 | Lassen | About 100 yards northeast of where the road crosses Hunsinger Draw, 1.9 miles (air) northwest of Moll Reservoir, 2.8 miles (air) west of Ash Valley, 8.4 miles (air) southeast of Adin | 1520 | Comment | ||
CHSC64889 | Polygonum douglasii subsp. johnstonii | Vernon H. Oswald; Lowell Ahart | 1995-6-19 | 6880 | Lassen | Between Litchfield and Ravendale on Smoke Creek Ranch Rd., 0.3 mi e of Hwy. 395. In a shallow wash. | 1383 | Comment | ||
UC1553395 | Polygonum douglasii subsp. spergulariiforme | G. Schoolcraft | 1988-6-15 | 1814 | Lassen | 16 mi e Adin; Ash Valley RNA/AEC | 1584 | Comment | ||
RSA0011553 | Polygonum esotericum | Robert F. Thorne, Larry E. DeBuhr | 1975-8-22 | 46999 | Lassen | Along Highway 395 ca. 5 miles north of Madeline and ca. 5.5 miles south of Modoc county line. | 1616 | Comment | ||
CAS-BOT-BC419860 | Polygonum polygaloides subsp. confertiflorum | Malcom A. Nobs; S. Galen Smith; Herbert L. Mason | 1949-5-29 | 757 | Lassen | On Great Northern Railroad, Highway 299, Nubeiber | Comment | |||
CHSC29856 | Polygonum polygaloides subsp. kelloggii | Robin L. Ondricek | 1978-7-5 | 81 | Lassen | In grass and among trees along the ne edge of Mahogany Lake. | 2057 | Comment | ||
CHSC61056 | Polygonum polygaloides subsp. kelloggii | Vernon H. Oswald; Lowell Ahart | 1993-8-3 | 5749 | Lassen | Cooper Swamp located E of Silver Lake just E of the Caribou Wilderness, ca. 13 mi (air) N of Lake Almanor. In small patches of more of less bare ground along the E side of the swamp. | 1932 | Comment | ||
UC1136189 | Polygonum polygaloides subsp. kelloggii | A. Simontacchi | 1940-6-4 | 807 | Lassen | 14.8 mi w Harvey Mtn. Lookout; Lassen National Forest, Halls Flat Quadrangle | Comment | |||
JEPS97417 | Polygonum ramosissimum | Vernon H. Oswald and L. Ahart | 1995-6-19 | 6880 | Lassen | T30N R15E center Sect. 22, 4540 ft, Modoc Plateau, Sagebrush Scrub. Between Litchfield and Ravendale on Smoke Creek Ranch Rd., 0.3 mi e of Hwy. 395 | 1383 | Comment | ||
UC773924 | Polygonum sawatchense subsp. oblivium | L. R. Short | 1936-5-22 | S- 352 | Lassen | Burgess Spring Experiment Range Lassen <National> Forest | 1836 | Comment | ||
CAS-BOT-BC420157 | Polygonum sawatchense subsp. sawatchense | Clarence R. Quick | 1961-6-21 | 61 -18 | Lassen | Adjacent to Road 21, Blacks Mountain Expermental [Experimental] Forest, northeast of Lassen Peak | 1798 | Comment | ||
CAS-BOT-BC420975 | Polygonum spergulariiforme | Ernest C. Twisselmann | 1961-9-21 | 6570 | Lassen | Harvey Valley Road, ca. 14 miles south of Pitville [Pittville] | 1219 | Comment | ||
CHSC112799 | Polypogon monspeliensis | Lowell Ahart; John Dittes | 2013-7-22 | 18874 | Lassen | Drainage filled with dirt from construction of a pond, 40 yards south of the man made pond, about 110 yards north of the four tall poles, Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. | 1267 | Comment | ||
JEPS28708 | Porterella carnosula | George W. Gillett | 1957-7-29 | 938 | Lassen | near w end Widow Lake (Widow Lake, Lassen Volcanic National Park); Lassen Volcanic National Park, Widow Lake | 2072 | Comment | ||
JEPS5602 | Porterella carnosula | G. S. Crew and C. S. Robinson | 71 | Lassen | Feather Lake Lassen National Forest, Feather Lake (sw Lassen Co.) | 1737 | Comment | |||
UC803937 | Porterella carnosula | G. L. Stebbins Jr. | 1949-8-6 | 4002 | Lassen | edge Feather Lake (between Susanville and McArthur Mud Flats) | 1676 | Comment | ||
OBI75891 | Porterella carnosula | Anthony Baniaga and D. Lepley, D. Lepley | 2011-8-17 | 502 | Lassen | Lassen Natl Forest. Unnamed ephemeral pool, E of Silver Bowl Camp. Bogard Buttes quad. T31N R7E sec 35 SW of SE | 1905 | Comment | ||
SEINET5334401 | Portulaca oleracea | Unknown | 1942-8-31 | s.n. | Lassen | Honey Lake Valley. | 1067 | 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 | ||
UCR228122 | Potamogeton diversifolius | R. F. Thorne, Larry E. DeBuhr | 1975-8-22 | 47201 | Lassen | Modoc Plateau, Hwy 395, c. 5 mi north of Madeline [at Smith Reservoir] and c. 5.5 mi south of Modoc Co. line | 1616 | Comment | ||
CHSC4840 | Potamogeton filiformis | R. Carter | 1967-7-13 | 594 | Lassen | Ca. 5 mi e of Eagle Lake Biology Station at point where rd comes nearest to Willow Creek. | 1560 | Comment | ||
POM118853 | Potamogeton foliosus | Marcus E. Jones | 1897-6-21 | s.n. | Lassen | Chat. | 1616 | Comment | ||
UCR196279 | Potamogeton foliosus | Daniel B. Marcum | 2007-7-25 | s.n. | Lassen | 6 mi south of Bieber in Big Valley. Robin Harbert's wild rice field | 1280 | Comment | ||
CHSC66284 | Potamogeton gramineus | Vernon H. Oswald; Lowell Ahart | 1996-6-24 | 7876 | Lassen | Modoc Plateau. Papoose Meadows located ca. 0.5 mi E of Eagle Lake Rd. (A1) and 2.5 mi S of Eagle Lake. In Papoose Creek where it leaves the N end of the meadow. | 1633 | Comment | ||
RSA748317 | Potamogeton natans | K. M. Meyer, A. Townesmith | 2007-7-21 | 146 | Lassen | Lassen National Forest. 1.3 mile on Road 10 to Silver Lake off Road 110. Pine forest, lake. | 1963 | Comment | ||
UC1100072 | Potamogeton pectinatus | Verne Grant, Irving Schneider | 1947-9-6 | 8380 | Lassen | n arm of Eagle Lake | Comment | |||
UC1100075 | Potamogeton pectinatus | Verne Grant, Irving Schneider | 1947-8-1 | 8243 | Lassen | e end of Tule Lake | Comment | |||
UC60849 | Potamogeton striatus | J. B. Davy | Jun 17 1897-Jun 24 1897 | Lassen | Honey Lake Valley, Amedee | Comment | ||||
CHSC6258 | Potentilla biennis | 1944-6-21 | Lassen | Near Eagle Lake shore line. | 1584 | Comment | ||||
CHSC5044 | Potentilla glandulosa subsp. nevadensis | L. B. Barlow | 1967-7-4 | 87 | Lassen | 5 mi s of Eagle Lake Biological Station on Gallatin Beach Road. | 1737 | Comment | ||
CHSC12478 | Potentilla gracilis var. fastigiata | Carol Weld | 1969-6-26 | 35 | Lassen | Papoose Meadow. | 1615 | Comment | ||
NY832928 | Potentilla gracilis var. fastigiata | B. M. Bartholomew | 1988-6-25 | 4373 | Lassen | Long Valley, southern end of the Warner Mountains | 2080 | Comment | ||
UC1142924 | Potentilla gracilis var. fastigiata | A. L. Hormay | 1941-6-23 | 11 | Lassen | Burgess Spring Lassen National Forest | 1676 | Comment | ||
UC1128270 | Potentilla millefolia | Robert W. Gardner | 1937-6-18 | G- 9 | Lassen | Burgess Spring Halls Flat Quad., Burgess Spring | Comment | |||
CAS-BOT-BC158515 | Potentilla millefolia | Clarence R. Quick | 1962-6-17 | 62 -17 | Lassen | North of DeLasmutt Ranch, along a dirt road to Black Mountain E.F. Hdqrts. | 1615 | Comment | ||
POM366603 | Potentilla millefolia | Christopher Davidson | 1975-6-6 | 2721 | Lassen | 2.8 miles W of Bogard Work Center and roadside rest on Hwy 44. | 1684 | Comment | ||
JEPS126563 | Poterium sanguisorba | Lowell Ahart, John Dittes | 2016-6-7 | 20998 | Lassen | On the east side of Stonebreaker Road, 0.6 miles south of County Road A-2, 5.3 miles (air) east of Bieber, 7.3 miles (air) southwest of Adin, hills at the southern slope of Big Valley. | Comment | |||
JEPS62498 | Prunella vulgaris var. lanceolata | Brown and Wieslander | 1922-7-30 | 23 | Lassen | Martin Sprs Eagle Lake; , Martin Sprs | Comment | |||
POM70071 | Prunella vulgaris var. lanceolata | Marcus E. Jones | 1897-7-25 | s.n. | Lassen | Susanville. | 1341 | Comment | ||
CHSC1579 | Prunus andersonii | A. Stone | 1937-5-14 | Lassen | Honey Lake region. | Comment | ||||
SJSU13984 | Prunus andersonii | N. A. Hopkins | 1988-5-16 | 1400 | Lassen | Scott Rd by Long Valley Cr c. 3 mi N of Hwy 70 | 1432 | Comment | ||
OBI10074 | Prunus andersonii | H. E. McMinn | 1932-8-5 | 2969 | Lassen | Susanville to Reno | Comment | |||
RSA0028244 | Prunus andersonii | John F. Emmel | 1994-7-18 | 1335 | Lassen | Long Valley; between Hwy. 395 and railroad tracks at south edge of Doyle. | 1305 | Comment | ||
SEINET3850947 | Prunus virginiana | Dwayne Estes | 2004-1 | 06028 | Lassen | SE side of Horse Lake along E roadside | 1554 | Comment | ||
CHSC6259 | Prunus virginiana var. demissa | R. Gein | 1946-6-11 | Lassen | Eagle Lake. On Pine Creek. | 1580 | Comment | |||
CHSC64853 | Prunus virginiana var. demissa | Vernon H. Oswald | 1995-6-26 | 6931 | Lassen | Modoc Plateau. Ash Valley Rd. (Lassen 527), 9.9 mi w of Madeline, ca. 0.5 mi w of the reservoir at Fleming Sheep Camp and along the stream coming from the same. | 1609 | Comment | ||
CHSC7721 | Prunus virginiana var. demissa | Beverley J. Wise | 1969-5-18 | 192 | Lassen | 18.2 mi. East of Susanville on Las. Co. Rd. 216 off Las. Co. Rd. 215. On canyon wall. | 1554 | Comment | ||
CHSC36103 | Pseudoroegneria spicata subsp. spicata | Terence Finn | 1979-6-18 | 8 | Lassen | .75 mi from Hallelujah Junction, going towards well on old road. | 1524 | Comment | ||
CHSC11770 | Pseudostellaria jamesiana | Wayne O. Baum | 1971-7-6 | 71 -6 | Lassen | E. slope of Gallatin Peak. | 1950 | Comment | ||
UC1136876 | Pseudostellaria jamesiana | L. R. Short and Wm. Gansberg | 1936-6-16 | S- 438 | Lassen | Burgess Spring Experimental Range; Lassen Forest | 1883 | Comment | ||
SEINET5345381 | Pseudotsuga menziesii var. menziesii | D. A. Charlet | 1996-7-8 | 2290 | Lassen | Diamond Mts; Sierra Nevada Janesville Grade, just within National Forest boundary, Great Basin drainage (Honey Lake) | 1855 | Comment | ||
UC1924240 | Psilocarphus brevissimus | Debra Valov | 2004-6-8 | 2004244 | Lassen | Bieber; off County A2 c. 8 km east of Hwy 299 | 1271 | Comment | ||
CHSC112453 | Psilocarphus brevissimus var. brevissimus | Lowell Ahart; John Dittes, Todd Sloat | 2013-6-8 | 18756 | Lassen | About 30 yards north of the four tall poles, Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. | 1267 | Comment | ||
JEPS109637 | Psilocarphus brevissimus var. brevissimus | Dean W. Taylor | 2002-6-21 | 18174 | Lassen | Highway 139 ca. 10 miles N of Susanville, ca. 1 mile south of the southerly end of Willow Creek Valley | 1524 | Comment | ||
CAS-BOT-BC328200 | Psilocarphus elatior | Marcus E. Jones | 1897-6-24 | s.n. | Lassen | 10 to 15 miles west from Amedee | 1219 | Comment | ||
CHSC60879 | Psilocarphus oregonus | Vernon H. Oswald; Lowell Ahart | 1993-7-8 | 5672 | Lassen | Halls Flat Rd. (33N18), 1.4 mi SSW of Pittville Rd. (Lassen 111, 36N01), ca. 5.4 mi (air) NW of Poison Lake. On the W side of the road. | 1694 | Comment | ||
POM27927 | Psoralidium lanceolatum | Marcus E. Jones | 1897-6-22 | s.n. | Lassen | 10 miles south of Amedee. [Lassen or Plumas Co.] | 1220 | Comment | ||
HSC93745 | Pterospora andromedea | Gordon Leppig, Sylvia Leppig, Juli Neander, Kai Neander | 1998-8-18 | 1059 | Lassen | Blue Lake Campground, Modoc National Forest. | 1860 | Comment | ||
JEPS117492 | Pterospora andromedea | Lowell Ahart, John Dittes | 2010-7-31 | 17007 | Lassen | On the sout side of the road, about 50 yards east of the large culvert, where the road crosses Hunsinger Draw, 1.9 miles (air) northwest of Moll Reservoir, 2.8 miles (air) west of Ash Valley, 8.4 miles (air) southeast of Adin | 1516 | Comment | ||
UC773902 | Pterospora andromedea | L. R. Short and D. Gish | 1936-7-15 | S 488 | Lassen | Burgess Spring Experiment Range | 1813 | Comment | ||
HSC22982 | Pterospora andromedea | John Pratt | 1970-7-10 | 70 | Lassen | 1524 | Comment | |||
UCD34874 | Puccinellia distans | Beecher Crampton | 1964-6-27 | 7098 | Lassen | Lassen County, ca. 8 miles S.E. of Ravendale, BLM Spanish Springs rec. area. | Comment | |||
UCD91859 | Puccinellia distans | Malcolm A. Nobs; S. Galen Smith | 1949-7-22 | 1070 | Lassen | NE shore of Eagle Lake. | Comment | |||
CAS-BOT-BC239824 | Puccinellia lemmonii | James Jokerst | 1983-7-24 | 1884 | Lassen | Near Madeline Plains | 1614 | Comment | ||
JEPS114875 | Puccinellia lemmonii | Lowell Ahart, John Dittes | 2008-6-20 | 14967 | Lassen | Saline area, about 10 yards west of where the levee road crosses Big Valley Canal, in Big Valley, about 4 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7 miles (air) northeast of Bieber | 1263 | Comment | ||
RSA0042600 | Puccinellia lemmonii | Lowell A. Ahart, John Dittes, Todd Sloat | 2013-6-9 | 18788 | Lassen | On the south side of the road, on the south side of McArthur Diversion Canal, 0.32 mile east of Tule River, 2.8 air-miles northwest of McArthur, Fall River Valley, McArthur Swamp. | 1008 | Comment | ||
JEPS103184 | Puccinellia nuttalliana | G. Schoolcraft | 2000-6-12 | 2908 | Lassen | Cold Spring Reservoir at NE end of Madeline Plains | 1645 | Comment | ||
CDA32668 | Puccinellia nuttalliana | M. D. Collins | Jun 1923 | Lassen | Edge of Honey Lake | 0 | Comment | |||
CHSC13644 | Purshia tridentata | M. S. Taylor | 1974-6-25 | 260 | Lassen | Surrounding meadow, ca. 2 mi e of Gallatin Beach, ca. 1/2 mi s of Eagle Lake, ca. 13 mi nw of Susanville. | 1524 | Comment | ||
HSC19581 | Purshia tridentata var. tridentata | L. H. Myers | 1963-4-5 | 29 | Lassen | W of Hwy. 395 near Janesville | 1280 | Comment | ||
UC1137303 | Purshia tridentata var. tridentata | George A. Fischer and Irwin H. Johnson | 1933-7-12 | F 212 | Lassen | Lassen National Forest | 1722 | Comment | ||
JEPS28673 | Pyrola asarifolia | George W. Gillett | 1957-7-24 | 900 | Lassen | Cameron Meadow | 1950 | Comment | ||
CHSC6238 | Pyrola dentata | P. Balch | 1955-7-26 | Lassen | Roadside pine forest between Eagle Lake and Pittville road. | 1676 | Comment | |||
CAS-BOT-BC462755 | Pyrola dentata | Marcus E. Jones | 1897-6-28 | s.n. | Lassen | Diamond Mt., Susanville. Perkin's Ranch | 2133 | Comment | ||
RSA0083372 | Pyrola dentata | Christopher Davidson | 1974-7-24 | 2485 | Lassen | Ca. 4 mi W of Janesville on rd to Antelope Valley. | 2134 | Comment | ||
RSA0084317 | Pyrola picta | Diana D. Jolles, Mary M. Jolles | 2011-8-7 | 479 | Lassen | Lassen National Forest, within a couple miles north of Susan River on Route 44. | 1684 | Comment | ||
OBI75873 | Pyrola picta | Anthony Baniaga | 2011-8-10 | 496 | Lassen | Lassen Natl Forest. About 1/4 mi SE of Swain Mdw, S of Robbers Ck. Swain Mtn quad T29N R8E sec 35 NE of SW | 1721 | Comment | ||
RSA0084884 | Pyrola picta | Christopher Davidson | 1974-7-24 | 2485 | Lassen | Ca. 4 mi W of Janesville on rd to Antelope Valley. | 2134 | Comment | ||
UCD18973 | Pyrola picta | Raymond D. Ratliff | 1965-7-29 | 35 | Lassen | Lassen National Forest, Harvey Valley and Champ's Flat Allotments (HV 19-13, CF 19-6). | 1706 | Comment | ||
HSC81545 | Pyrrocoma carthamoides var. cusickii | Thomas W. Nelson, Jane P. Nelson | 1980-7-6 | 6049 | Lassen | Along Ash Creek at Ash Creek Campground | 1494 | Comment | ||
CAS-BOT-BC362263 | Pyrrocoma carthamoides var. cusickii | John Thomas Howell; Gordon H. True; Wayne Dakan | 1974-7-30 | 50695 | Lassen | Steep rocky slope south and southeast of Diamond Mt. | 2286 | Comment | ||
UC1136851 | Pyrrocoma hirta var. lanulosa | L. R. Short and J. Warren | 1936-8-17 | S- 496 | Lassen | Burgess Spr. Exp. Range | 1783 | Comment | ||
UC35838 | Pyrrocoma hirta var. lanulosa | M. S. Baker and Frank Nutting | 1894-7-12 | Lassen | Pine Creek | Comment | ||||
JEPS25905 | Pyrrocoma lanceolata var. lanceolata | John H. Weiler, L Constance, and E. Molseed | 1960-6-13 | 60162 | Lassen | along US Hwy 395 10.9 mi ne Litchfield | 1219 | Comment | ||
JEPS100334 | Pyrrocoma lucida | Dean W. Taylor | 2001-7-19 | 17839 | Lassen | meadow along jeep road southward from Doyle Grade and 1 air mile South therefrom, just E of Plumas County line, Plumas National Forest | 2042 | Comment | ||
CAS-BOT-BC362321 | Pyrrocoma racemosa var. paniculata | H. M. Hall | 1925-8-31 | 12214 | Lassen | Amedee, Honey Lake Valley | Comment | |||
JEPS107803 | Quercus kelloggii | Lowell Ahart, John Dittes | 2005-6-2 | 11942 | Lassen | Along a small stream, about 1 1/2 miles northeast of the Anderson Ranch home, Long Valley, about 6 miles (air) north of the intersection of Scott Road and Highway 70, 7.5 miles (air) northwest of Hallelujah Junction | 1601 | Comment | ||
POM106363 | Quercus kelloggii | Marcus E. Jones | 1897-6-21 | s.n. | Lassen | Chat. | 1616 | Comment | ||
CAS-BOT-BC104478 | Quercus vacciniifolia | Brighton C. Cain | 1925-8-24 | 95 | Lassen | Mt Lassen Volcanic National Park 1 mi below Drakesbad | 1645 | Comment | ||
CHSC25909 | Ranunculus | K. R. Stern | 1967-6-25 | 2434 | Lassen | Meadow on road to Eagle Lake Biological Station, ca. 7 mi. S of Eagle Lake. | 1828 | Comment | ||
UC1609182 | Ranunculus alismifolius var. alismifolius | Vernon H. Oswald and Lowell Ahart | 1993-5-12 | 5380 | Lassen | canal crossing Hwy 44 3.5 mi nw A21 (to Westwood) (n side of road and e side of canal) | 1729 | Comment | ||
CHSC61174 | Ranunculus alismifolius var. lemmonii | Vernon H. Oswald; Lowell Ahart | 1993-5-12 | 5380 | Lassen | Canal crossing Hwy. 44, 3.5 mi NW of A21 (to Westwood). On the N side of the road and on the E side of the canal. | 1729 | Comment | ||
JEPS107311 | Ranunculus aquatilis var. aquatilis | Lowell Ahart, John Dittes | 2005-6-1 | 11904 | Lassen | Bottom of a depression, on the north side of Scott Road, east side of the railroad underpass, Long Valley, about 4 3/4 miles (air) north of the intersection of Scott Road and Highway 70, 6.2 miles (air) northwest of Hallelujah Junction | 1459 | Comment | ||
CHSC23755 | Ranunculus aquatilis var. capillaceus | M. S. Taylor | 1974-7-10 | 282 | Lassen | In creek in meadow, ca. 1/2 mi e of Gallatin Beach, ca. 1/2 mi s of Eagle Lake, ca. 12 mi nw of Susanville. | 1524 | Comment | ||
CHSC8743 | Ranunculus aquatilis var. capillaceus | S. Chulasmai | 1966-5-13 | 35 | Lassen | Vernal pool, (Johnstonville). | Comment | |||
POM172668 | Ranunculus aquatilis var. capillaceus | Franklin Nutting | 1894-7-25 | s.n. | Lassen | Eagle Lake | Comment | |||
SEINET10536136 | Ranunculus cymbalaria | Mary Susan Taylor | 1974-1 | Taylor 268 | Lassen | Vicinity of Eagle Lake, ca. 13 mi NW of Susanville. | Comment | |||
CHSC13944 | Ranunculus cymbalaria var. saximontanus | M. S. Taylor | 1974-6-27 | 268 | Lassen | Around marsh, ca. 1/4 mi n of Eagle Lake Field Station, ca. 13 mi nw of Susanville. | 1524 | Comment | ||
CHSC55400 | Ranunculus glaberrimus | Charlie Crannell | 1991-4-21 | 16 | Lassen | South end of Lassen County youth camp property bordering Eagle Lake Field Station; 200 ft from Eagle Lake. | 1560 | Comment | ||
CHSC77228 | Ranunculus glaberrimus var. glaberrimus | G. Schoolcraft | 1996-3-30 | 2517 | Lassen | West of Susanhills subdivision, S. of Susanville. | 1432 | Comment | ||
UC1924217 | Ranunculus occidentalis | Debra Valov | 2004-6-9 | 2004266 | Lassen | Bieber; off County A2 c. 8 km east of Hwy 299 | 1274 | Comment | ||
SBBG28521 | Ranunculus occidentalis var. ultramontanus | M. S. Baker | 1952-5-23 | Lassen | Hwy 36, between Chester and Fredonyer Pass | Comment | ||||
HSC69599 | Ranunculus testiculatus | Gary Schoolcraft | 1980-4-25 | Lassen | Susanville | 1311 | Comment | |||
CAS-BOT-BC58196 | Rhododendron columbianum | Brighton C. Cain | 1925-8-24 | 101 | Lassen | Mt. Lassen Vilcanic National Park, 1 mi. below Drakesbad. | 1645 | Comment | ||
CHSC7759 | Ribes aureum | Beverley J. Wise | 1969-5-4 | 101 | Lassen | 0.5 mi. south on Las. Co. Rd. 305 off junction of Hwy 395. | 1249 | Comment | ||
UC465786 | Ribes cereum | Franklin P. Nutting | 1894-7-5 | Lassen | Dixie Valley | Comment | ||||
RSA0037147 | Ribes cereum | J. R. Keck Jr. | 1977-7-13 | s.n. | Lassen | Near Puls Camp east of Blacks Mountain, Lassen National Forest. | 1830 | Comment | ||
CHSC84861 | Ribes cereum var. cereum | L. P. Janeway; B. Castro | 2003-10-5 | 8003 | Lassen | High Cascade Range. 3.6 km (air) southwest of Bogard Buttes; along Lassen National Forest road 32N09C 0.5 km north of road 32N09. | 2020 | Comment | ||
JEPS94487 | Ribes cereum var. cereum | Vernon H. Oswald and Lowell Ahart | 1997-5-27 | 8515 | Lassen | 2.6 mi ne of Highway 139 (Williams Reservoir on Forest Route 38N04, between Highway 139 near Willow Creek Guard Station and Coyote Flat); Williams Reservoir on Forest Route 38N04 | 1682 | Comment | ||
CAS-BOT-BC212580 | Ribes montigenum | Blanche Clear | 1938-7-13 | s.n. | Lassen | Loop highway on road to Summit Lake | Comment | |||
UC1127641 | Ribes roezlii | A. Simontacchi | 1940-6-4 | 723 | Lassen | 6.8 mi sw Jacks Lake; Lassen National Forest, Halls Flat Quadrangle | Comment | |||
CHSC12424 | Ribes velutinum | Anne Linda Brisk | 1969-6-19 | 1 | Lassen | 1/4 mi NE of ELBS. | 1554 | Comment | ||
RSA0023959 | Ribes viscosissimum | Marcus E. Jones | 1897-6-28 | s.n. | Lassen | Top of Diamond Mt., Susanville, Perkin's Ranch. | 2226 | Comment | ||
CAS-BOT-BC363009 | Rigiopappus leptocladus | G. Schoolcraft | 1989-6-7 | 1905 | Lassen | Lower NE slope of Shaffer Mtn. | Comment | |||
JEPS88202 | Rigiopappus leptocladus | Vernon H. Oswald and Lowell Ahart | 1996-6-17 | 7795 | Lassen | s side of Bizz Johnson Trail just e Devils Corral Trailhead (trailhead located off Hwy 36 ca. 7 mi w of Susanville); Modoc Plateau | 1420 | Comment | ||
SD131593 | Rigiopappus leptocladus | Arnold Tiehm, Margaret Williams, Jan Nachlinger | 1988-6-2 | 11700 | Lassen | south side of Shaffer Mt., 3.4 road miles north of the Wendel road on highway 395 from susanville to Alturas west of the highway | 1385 | Comment | ||
UC10717 | Rorippa curvisiliqua | M. S. Baker and F. Nutting | 1894-7-1 | Lassen | Dixey Mts. | Comment | ||||
UCD107036 | Rorippa curvisiliqua | Tim Kuhn | 2006-7-18 | 11 | Lassen | Eagle Lake Ranger District. | Comment | |||
CHSC117291 | Rorippa curvisiliqua var. orientalis | Lowell Ahart; John Dittes | 2016-7-13 | 21115 | Lassen | 100 yards east of Stonebreaker Road, 0.6 miles south of County Road A-2, 5.3 miles (air) east of Bieber, 7.3 miles (air) southwest of Adin, hills at the southern slope of Big Valley. | 1289 | Comment | ||
CDA25121 | Rorippa nasturtium-aquaticum | Gordon Leppig | 1998-7-12 | 959 | Lassen | Northern California Peatlands; Modoc National Forest, Blue Lake Ranch. | Comment | |||
CHSC36472 | Rorippa nasturtium-aquaticum | Jeffrey R. Peek | 1982-6-4 | 33 | Lassen | Ca. 50 yds along Willow Creek from its beginning in Murrers Upper Meadow. | Comment | |||
CHSC5023 | Rorippa nasturtium-aquaticum | L. G. Bennett | 1967-6-24 | 45 | Lassen | Murrers Meadow, near Eagle Lake. | 1493 | Comment | ||
CHSC75480 | Rorippa nasturtium-aquaticum | Vernon H. Oswald; Lowell Ahart | 1999-6-9 | 9736 | Lassen | Northeast of Susanville on County Rd. 216 (to Karlo and Biscar Wildlife Management Area) 0.3 mi west of Hwy. 395. In marsh. | 1353 | Comment | ||
CHSC5241 | Rorippa palustris var. occidentalis | V. Holt | 1945-6-5 | Lassen | Aspen Grove, Eagle Lake. | 1584 | Comment | |||
CHSC68870 | Rubus parviflorus | Vernon Oswald; Lowell Ahart | 1997-6-24 | 8614 | Lassen | South of Susanville on the north side of Diamond Mtn. along Forest Rd. 29N43, 5.4 miles east of Gold Run Rd. (29N10), 0.7 mi east of Lassen NF boundary. | 1889 | Comment | ||
RSA768027 | Rumex acetosella | L. Ahart, John Dittes | 2010-7-31 | 17001 | Lassen | About 50 yards east of the large culvert, where the road crosses Hunsinger Draw, 1.9 air miles northwest of Moll Reservoir, 2.8 air miles west of Ash Valley, 8.4 air miles southeast of Adin | 1516 | Comment | ||
SEINET10479396 | Rumex acetosella | Paul Gallian, David B. Dunn | 1971-6-2 | Gallian 482 | Lassen | 5 mi S of Milford near Honey Lake on US Hwy 395; along roadside in grass-Artemesia tridentata assoc.; Quercus-Jeffrey Pine on mountain range to W at approximately the same altitude. | 1250 | Comment | ||
UC465808 | Rumex crispus | J. Burtt Davy | Jun 17 1897-Jun 24 1897 | 3378 | Lassen | Honey Lake Valley | Comment | |||
UC748311 | Rumex crispus | Annie M. Alexander and Louise Kellogg | 1946-8-11 | 5151 | Lassen | Madeline | Comment | |||
CAS-BOT-BC433243 | Rumex crispus | John Thomas Howell; Gordon H. True; Margaret Williams | 1973-6-28 | 49419 | Lassen | Elysian Valley, west of Janesville | 1325 | Comment | ||
UC748316 | Rumex maritimus | Annie M. Alexander and Louise Kellogg | 1946-8-11 | 5154 A | Lassen | nw end Eagle Lake (Sam Webb's Hunting Cabins) | Comment | |||
CHSC101061 | Rumex paucifolius | John Dittes | 2008-5-22 | 1530 | Lassen | Modoc Plateau; ca. 15.3 air miles southeast of Adin, ca. 3.5 air miles east of Hayden Hill, ca 700 feet east of intersection of Hwy 139 and FS Road 36N02; alluvial terrace of Willow Creek. | 482 | Comment | ||
UC1101218 | Rumex salicifolius var. lacustris | Verne Grant and Irving Schneider | 1947-8-1 | 8224 | Lassen | w end Section 19 (State Fish & Game nesting area); Madeline Plain | Comment | |||
UC6952 | Rumex salicifolius var. lacustris | M. S. Baker and Frank Nutting | 1894-7-30 | Lassen | Silver Lake; ; Silver Lake, Lassen Co. | Comment | ||||
SDSU9722 | Rumex salicifolius var. lacustris | D. F. Howe | 1966-8-25 | Lassen | 41.0 Miles s of Alturas on #3954.2 miles N of juction with #12, on #1. | 1676 | Comment | |||
CHSC111165 | Rumex triangulivalvis | Lowell Ahart; John Dittes | 2012-7-9 | 18302 | Lassen | about 100 yards southeast of the tall poles, Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. | 1267 | Comment | ||
CAS-BOT-BC434261 | Rumex triangulivalvis | John Thomas Howell | 1975-7-23 | 51404 | Lassen | Along Hwy. 395 between Johnstonville and Janesville | 1280 | Comment | ||
CAS-BOT-BC434263 | Rumex triangulivalvis | Annie M. Alexander; Louise Kellogg | 1946-8-11 | 5153 | Lassen | Northwest end Grasshopper Valley. | Comment | |||
JEPS29739 | Rumex venosus | Rimo Bacigalupi, and L. R. Heckard | 1962-5-28 | 8494 | Lassen | 10 mi s Milford (along U.S. Hwy 395) | 1219 | Comment | ||
RSA249402 | Rumex venosus | Thomas W. Nelson, S. Dowty | 1971-7-22 | 19300 | Lassen | Along Hwy 395, about 4 miles east of Standish | Comment | |||
SEINET4176560 | Rumex venosus | Cahlan | 1932-5-31 | 1413 | Lassen | Between Doyle and Susanville | Comment | |||
SD257945 | Sagina saginoides | D. F. Howe | 1964-7-31 | 3900 | Lassen | Parsnip Creek, Warner Mts., Modoc National Forest. | 1829 | Comment | ||
CHSC5006 | Sagittaria cuneata | L. G. Bennett | 1968-7-8 | 124 | Lassen | Murrers Meadow, north end, near Eagle Lake. | 1493 | Comment | ||
HSC2897 | Sagittaria cuneata | R. G. Means | 1962-7-4 | 70 | Lassen | 19.5 mi. N of Susanville, Hwy. 139 | 1524 | Comment | ||
RSA0011560 | Sagittaria cuneata | Robert F. Thorne, Larry E. DeBuhr | 1975-8-22 | 46992 | Lassen | Along Highway 395 ca. 5 miles north of Madeline and ca. 5.5 miles south of Modoc county line | 1616 | Comment | ||
CHSC96721 | Salix arctica | Gordon Leppig | 1998-7-12 | 938 | Lassen | Modoc National Forest, Blue Lake Ranch. Peatland in large meadow complex. | 1970 | Comment | ||
POM362636 | Salix bonplandiana | Christopher Davidson | 1975-6-6 | 2725 | Lassen | Ca 3.5 miles on road to Thompson Peak. Branching E of rd 204 ca 7.5 miles SW of Susanville. (Rd 204 follows Gold Run Cr.) | 1677 | Comment | ||
UCD110753 | Salix boothii | T. I. Storer | 1932-7-31 | s.n. | Lassen | Upper King Creek Meadows, Lassen Volc. Nat'l Park. | 2225 | Comment Read comments Jul 11 2013 |
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CHSC65121 | Salix eastwoodiae | Vernon H. Oswald; Lowell Ahart | 1995-7-24 | 7141 | Lassen | Along Pine Creek on the upstream side of Forest Road 31N25, at the NW corner of Upper Stephens Mdws., ca. 3 mi NNE of Silver Lake, N of Lake Almanor. | 1905 | Comment | ||
CHSC91187 | Salix exigua | Lowell Ahart; John Dittes | 2005-6-1 | 11905 | Lassen | On the north side of Scott Road, east side of the railroad underpass, Long Valley, about 4 3/4 miles (air) north of the intersection of Scott Road and Highway 70, 6.2 miles (air) northwest of Hallelujah Junction. | 1459 | Comment | ||
JEPS107443 | Salix exigua | Lowell Ahart, John Dittes | 2005-6-1 | 11905 | Lassen | On the north side of Scott Road, east side of the railroad underpass, Long Valley, about 4 3/4 miles (air) north of the intersection of Scott Road and Highway 70, 6.2 miles (air) northwest of Hallelujah Junction | 1459 | Comment | ||
RSA715622 | Salix exigua | L. Ahart, John Dittes | 2005-6-1 | 11905 | Lassen | North side of Scott Road, east side of the railroad underpass, Long Valley, about 4 3/4 mile (air) north of the intersection of Scott Road and Highway 70, 6.2 miles (air) northwest of Hallelujah junction. | 1460 | Comment | ||
UC481924 | Salix exigua var. hindsiana | Mrs. H. P. Bracelin | 1931-6-29 | 485 | Lassen | at edge of Pit River McArthur | 960 | Comment | ||
CAS-BOT-BC107958 | Salix geyeriana | John Thomas Howell | 1976-7-20 | s.n. | Lassen | Bottom flats along Willard Creek near its confluence with Susan River, about 5 miles west of Fredonyer Pass - Sierra Nevada | 1432 | Comment | ||
JEPS95771 | Salix gooddingii | George Argus and Susan D'Alcamo | 1998-7-27 | 13806 | Lassen | Long Creek,on Hwy. 95, 9 mi N of Hallelujah Junction | Comment | |||
JEPS114627 | Salix lasiandra subsp. lasiandra | Lowell Ahart, John Dittes | 2008-6-22 | 15044 | Lassen | On the bottom of a deep ditch, on the south side of the road levee, in Big Valley, about 2.4 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber | 1257 | Comment | ||
CAS-BOT-BC128171 | Salix lasiandra var. lasiandra | John Thomas Howell; Gordon H. True | 1973-7-31 | 50042 | Lassen | On road from Janesville to Thompson Peak, Diamond Range - Sierra Nevada | 1783 | Comment | ||
CAS-BOT-BC128173 | Salix lasiandra var. lasiandra | Hans Leschke | 1960-8-8 | 1736 | Lassen | Below trail ski hut, Crumbaugh Lake | 1981 | Comment | ||
CAS-BOT-BC128126 | Salix lasiandra var. lasiandra | G. Schoolcraft | 1999-5-7 | 2821 | Lassen | Susanville, along BJ Trail near 4 mi. marker. | 1371 | Comment | ||
CHSC13668 | Salix lemmonii | E. L. Smith | 1971-4-28 | 946 A | Lassen | On Dry Creek at Clear Creek Junction. | 1493 | Comment | ||
SEINET10417120 | Salix lucida subsp. caudata | G. Schoolcraft | 1995-5-14 | 2477 | Lassen | W of Susan Hills subdivision, SW of Susanville. | 1372 | Comment | ||
CHSC93562 | Salix lucida subsp. lasiandra | Lowell Ahart; John Dittes | 2005-6-2 | 11925 | Lassen | Long Valley, along a small ditch, along the road, near the Anderson Ranch home, about 4 3/4 miles (air) north of the interesection of Scott Road and Highway 70, 6.2 miles (air) northwest of Hallelujah Junction. | 1459 | Comment | ||
POM106677 | Salix scouleriana | Marcus E. Jones | 1897-6-28 | s.n. | Lassen | Diamond Mountain; Susanville; Perkin's Ranch. | 1829 | Comment | ||
CDA36352 | Salsola gobicola | B. Villegas | 2011-8-25 | Lassen | Near Wendel; on Wendel Rd., 0.4 mile from Amadee Rd. | 0 | Comment | |||
UCD170117 | Salsola paulsenii | R. Breckenridge; K. Filippini | 2007-6-14 | s.n. | Lassen | Wendell Plains. | Comment | |||
CHSC68752 | Salvia aethiopis | Vernon H. Oswald; Lowell Ahart | 1997-5-27 | 8482 | Lassen | West side of Hwy. 139 at Lassen Community College just north of Susanville. | 1310 | Comment | ||
JEPS117362 | Salvia aethiopis | Lowell Ahart, John Dittes | 2010-8-30 | 17091 | Lassen | South side of the road, between Elkins Lane and Walters Road, 550 feet south of Modoc County Line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley | 1274 | Comment | ||
UCD125448 | Salvia aethiopis | J. M. Tucker | 1950-7-26 | 1979 | Lassen | outskirts of Susanville, on east side of town. | Comment | |||
SEINET7976568 | Salvia dorrii | M. J. Williams, A. Tiehm, J. Nachlinger | 1988-1 | 88- 27 -1 | Lassen | Hwy 395 0.4 mile east of Susanville road after turn to Alturas. | Comment | |||
JEPS93816 | Salvia dorrii var. dorrii | Vernon H. Oswald and Lowell Ahart | 1998-6-4 | 9145 | Lassen | s of Constantia (spur road on n side of Red Rock Road 0.6 mi e of Highway 395); Red Rock Road | 1389 | Comment | ||
JEPS62690 | Salvia dorrii var. incana | Duncan Dunning | 1923-6-6 | Lassen | rocks below Ravendale | Comment | ||||
UCD137207 | Sambucus nigra subsp. caerulea | P. B. Schultz | 1967-7-12 | 78 | Lassen | 14 miles southeast of Adin on State Highway 139. | 1524 | Comment | ||
UC1924239 | Sanguisorba annua | Debra Valov | 2004-6-8 | 2004245 | Lassen | Bieber; off County A2 c. 8 km east of Hwy 299 | 1271 | Comment | ||
POM83011 | Sanicula graveolens | Marcus E. Jones | 1897-7-2 | s.n. | Lassen | Susanville Summit | 1829 | Comment | ||
UC1598734 | Sanicula tuberosa | M. S. Baker and Frank Nutting | 1894-7-9 | Lassen | Pine Creek | Comment | ||||
CAS-BOT-BC110335 | Sarcobatus vermiculatus | John Thomas Howell | 1975-7-23 | 51414 | Lassen | Sierra Nevada. On Highway 395 about 5 miles southeast of Doyle. | 1310 | Comment | ||
CHSC110311 | Sarcobatus vermiculatus | L. P. Janeway; B. Castro | 2012-7-2 | 10923 | Lassen | Modoc Plateau. Honey Lake Valley, northeast side of Honey Lake; 0.6 km west of Wendel Road, 4.8 air km southeast of Wendel. | 1221 | Comment | ||
UC1136501 | Sarcobatus vermiculatus | E. Sawyer | 1935-6-27 | 216 | Lassen | Sierraville Quad., Long Valley | Comment | |||
UCR67389 | Sarcobatus vermiculatus | George K. Helmkamp | 1990-9-23 | D- 5 | Lassen | 20 mi north of Litchfield along US Hwy 395 | 1437 | Comment | ||
CHSC4972 | Sarcodes sanguinea | R. Carter | 1967-6-22 | 536 | Lassen | ca 1/4 mi S of Five Corners on Peans Ridge Road. | 1584 | Comment Read comments Jan 31 2011 |
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JEPS17632 | Saxifraga oregana | Rimo Bacigalupi with G. Thomas Robbins | 1955-7-20 | 5403 | Lassen | 0.8 mi s of Lassen-Modoc County Line (below and s of Patterson Ranger Station, along East Creek, southern end of the Warner Mountains); Warner Mountains, East Creek | 2011 | Comment | ||
RSA0009383 | Saxifraga oregana | Marcus E. Jones | 1897-6-30 | s.n. | Lassen | Susanville, 4 miles below Eagle Lake. | 1524 | Comment | ||
UCD65649 | Schedonorus arundinaceus | John Thomas Howell; Gordon H. True and Margaret Williams | 1973-6-28 | 49474 | Lassen | Sierra Nevada. Elysian Valley west of Janesville. | 1325 | Comment | ||
UC2134 | Schoenoplectus acutus var. occidentalis | J. Burtt Davy | Jun 17 1897-Jun 24 1897 | 3312 | Lassen | Honey Lake Valley Honey Lake Valley (tules of sloughs and w end of lake) | Comment | |||
RSA0009705 | Schoenoplectus acutus var. occidentalis | Marcus E. Jones | 1897-6-24 | s.n. | Lassen | 10 to 15 miles west from Amedee. | 1219 | Comment | ||
SEINET10751251 | Scirpus acutus var. occidentalis | Andrew Townesmith, Karen M. Meyer | 2007-7-22 | Townesmith 842 | Lassen | Lassen National Forest, Almanor Ranger District. Little Tule Lake, 6.1 miles west county road A21 on county road 110 and Forest Service road 10. T31N R7E S35 NW 1/4. | 1980 | Comment | ||
UC1100770 | Scirpus acutus var. occidentalis | Herbert L. Mason, Verne Grant | 1947-7-9 | 13298 | Lassen | irrigation ditch 5 mi e Bieber; e of Bieber | Comment | |||
CHSC61594 | Scirpus microcarpus | Arthur G. Barrett | 1915-8-18 | 35 | Lassen | Plumas National Forest. Laufman Ranger Station. | 1463 | Comment | ||
JEPS87446 | Scirpus nevadensis | Vernon H. Oswald and Lowell Ahart | 1993-6-14 | 5521 | Lassen | ca 2.0 mi ene Spaulding Tract Rd. (Rd. 518, 33N89) (Eagle Lake Rd. (Lassen A1) at Sandy Beach on the w shore Eagle Lake, upper beach between rd. & lake); Sandy Beach, w shore Eagle Lake | 1566 | Comment | ||
UC2198 | Scirpus pungens | J. Burtt Davy | Jun 17 1897-Jun 24 1897 | 3286 | Lassen | sloughs Susan River (Honey Lake Valley); , Honey Lake Valley | Comment | |||
CHSC5917 | Scrophularia californica subsp. floribunda | J. B. Kimsey | 1946-6-20 | Lassen | Eagle Lake. Grasshopper Valley. | 1615 | Comment | |||
SEINET5324784 | Scutellaria holmgreniorum | A. Tiehm, Raymond Evans; James Young | 1984-6-7 | 8591 | Lassen | Flats on the northwest side of Shaffer Mountain, 7.5 air miles north-northwest of Litchfield. | 1372 | Comment | ||
CAS-BOT-BC214270 | Scutellaria nana | John Thomas Howell; Gordon H. True; Wayne Dakan | 1974-7-30 | 50692 | Lassen | Slope south and southeast of Diamond Mt., Sierra Nevada | 2286 | Comment | ||
HSC82199 | Scutellaria nana | Thomas W. Nelson, Jane P. Nelson | 1980-7-6 | 6054 | Lassen | Along Ash Creek at Ash Creek Campground | 1494 | Comment | ||
RSA128297 | Scutellaria nana | Peter H. Raven, Otto T. Solbrig | 1958-6-17 | 13270 | Lassen | Along U.S. Highway 395, 19.0 miles south of Ravendale. | Comment | |||
RSA201224 | Scutellaria nana | Clarence R. Quick | 1964-8-1 | 64 -92 | Lassen | Cal Mt. east of Poison Lake. | 1768 | Comment | ||
RSA488564 | Scutellaria nana | Arnold Tiehm, Raymond Evans, James Young | 1984-6-7 | 8591 | Lassen | Flats on the northwest side of Schaffer Mountain, 7.5 air miles north-northwest of Litchfield | 1372 | Comment | ||
UC1137775 | Scutellaria nana | August L. Hormay | 1934-7-2 | Lassen | 1/4 mi nw of Black's Mountain; Lassen National Forest | 1706 | Comment | |||
CHSC64815 | Secale cereale | Vernon H. Oswald | 1995-6-7 | 6831 | Lassen | Modoc Plateau. Wendel Rd. (Lassen 320) at milepost 9.0, 3.6 mi e of Wendel, ne of Susanville. | 1231 | Comment | ||
UC790980 | Secale cereale | A. A. Beetle | 1941-6-28 | 2811 | Lassen | 6 mi s of Ravendale (Observation Peak); Observation Peak | Comment | |||
UCD92548 | Secale cereale | A. A. Beetle | 1941-6-28 | 2811 | Lassen | 6 miles south of Ravendale, lower slopes Observation Peak. | Comment | |||
CHSC60327 | Senecio fremontii var. fremontii | Mary Ann Showers | 1992-6-28 | 2700 | Lassen | Lassen Volcanic National Park. Cliffs west of Soda Lake and below tarn at base of north facing cirque between Pilot Pinnacle and Mt. Diller. | 2438 | Comment | ||
UC1583967 | Senecio hydrophilus | G. Schoolcraft | 1990-8-14 | 2122 | Lassen | between M.P. 56 and 57 on Highway 139 s Adin | 1432 | Comment | ||
HSC28835 | Senecio integerrimus | D. H. Norris, T. Nelson, S. Dowty | 1971-6-22 | 19263 | Lassen | In Harvey Valley near Cone Springs | Comment | |||
SEINET10799215 | Senecio integerrimus | Jeffrey Huber | 1971-6-2 | Huber 129 | Lassen | Approx. 30 mi. N of Susanville, on Calif. Hwy. 139, in basalt; Pinus-Artemisia-Juniper Assoc. | 1646 | Comment | ||
SEINET10799218 | Senecio integerrimus | David B. Dunn, Billy Joe Cox | 1971-6-2 | Dunn 17788 | Lassen | 6 mi. N of Hallelujah Jct. on U.S. Hwy. 395, in Artemisia tridentata, Pinyon pine, Jeffery Pine along high ridge & in sandy wash. | 1402 | Comment | ||
SEINET10833711 | Senecio integerrimus | Billy Joe Cox | 1971-6-2 | Cox 3106 | Lassen | Approx. 30 mi. N of Susanville, on Calif. Hwy. 139, in basalt. Assoc.: Pinus-Artemisia-Juniper. | 1646 | Comment | ||
UCD135546 | Senecio integerrimus | Grady L. Webster | 1989-5-13 | 7702 | Lassen | Butterfly Valley area. Aound 1 mile northwest of crossing of Big Blackhawk Creek. | 1066 | Comment | ||
CHSC23517 | Senecio integerrimus var. exaltatus | Wayne O. Baum | 1971-6-28 | 71 -18 | Lassen | E. slope of Gallatin Peak. | 1920 | Comment | ||
CHSC60723 | Senecio integerrimus var. exaltatus | Vernon H. Oswald; Lowell Ahart | 1993-6-3 | 5480 | Lassen | Champs Flat Rd. (Lassen 105, 32N28Y), where it diverges from Lassen 21 (32N02) to Eagle Lake, on the S side of Pine Creek Valley, between Poison Lake and Susanville. Meadow. | 1725 | Comment | ||
OBI76934 | Senecio integerrimus var. exaltatus | Anthony Baniaga | 2011-6-11 | 336 | Lassen | Lassen Natl forest. Along 105, W of Champs Flat. Champs Flat quad T33N R9E sec 27 NW of SW | 1686 | Comment | ||
UCD55305 | Senecio integerrimus var. exaltatus | Ellen Dean; Gary Schoolcraft | 2006-5-16 | 3134 | Lassen | East of town of Susanville, along County Road A27 (Center Road). Private land north of California Correctional Facility owned by Virginia Johnston, to be purchased by state for expansion of alfalfa fields. | 1251 | Comment | ||
RSA0065436 | Senecio multilobatus | Marion P. Harthill | 1972-6-17 | 811 | Lassen | Ravendale. | 1767 | Comment | ||
CDA36706 | Shepherdia argentea | T. C. Fuller | 1980-8-6 | 20320 | Lassen | Along a bench on the south slope of the Rush Creek Drainage, 0.3 km south of the Smoke Creek Ranch Road, 2 km west of the stateline. | 0 | Comment | ||
CHSC59754 | Sidalcea glaucescens | Mary Meyer | 1980-5-15 | Lassen | Above Secret Creek. | Comment | ||||
HSC82190 | Sidalcea glaucescens | Thomas W. Nelson, Jane Nelson | 1980-7-6 | 6039 | Lassen | Along Ash Creek at Ash Creek Campground | 1494 | Comment | ||
UCD116670 | Sidalcea glaucescens | C. J. W. | 1913-6-1 | 9 | Lassen | Grass Valley. | Comment | |||
CAS-BOT-BC205777 | Sidalcea oregana | Ralph K. Gierisch | 1968-7-11 | 3354 | Lassen | Lassen National Forest, Harvey Valley | 1706 | Comment | ||
CAS-BOT-BC205780 | Sidalcea oregana | David D. Keck; J. Clausen | 1935-6-24 | 3740 | Lassen | 2 mi. S. of Ravendale | 1464 | Comment | ||
CAS-BOT-BC205782 | Sidalcea oregana | Alice Eastwood; John Thomas Howell | 1940-6-11 | 7999 | Lassen | Bieber | Comment | |||
SEINET11986397 | Sidalcea oregana | N. E. Heiken | 1978-1 | 86 | Lassen | Colman Lake, several mi S of Eagle Lake | 1963 | Comment | ||
HSC82270 | Sidalcea oregana subsp. oregana | Thomas W. Nelson, Jane Nelson | 1980-7-6 | 5996 | Lassen | Along Adin-Madelin Rd., 16 mi. E of Adin in Ash Valley | 1555 | Comment | ||
UC506975 | Sidalcea oregana subsp. oregana | George A. Fischer, Irwin H. Johnson | 1933-7-12 | F- 227 | Lassen | Lassen Forest , Patterson Flat | 1737 | Comment | ||
POM260877 | Sidalcea oregana subsp. oregana | Alice Eastwood, J. T. Howell | 1940-6-11 | 7982 | Lassen | Big Valley Mountains. | Comment | |||
CHSC100901 | Sidalcea oregana subsp. spicata | R. A. Schlising; Peter Metropulos | 1974-7-22 | 3154 | Lassen | South of Eagle Lake at Colman Lake. | Comment | |||
HSC69610 | Sidalcea oregana subsp. spicata | Gary Schoolcraft | 1980-7-14 | Lassen | In Ash Valley, NW of the road. | 1537 | Comment | |||
JEPS28713 | Sidalcea oregana subsp. spicata | George W. Gillett | 1957-7-29 | 944 | Lassen | along trail between Butte Lake and Snag Lake; Lassen Volcanic National Park, btw Butte Lake and Snag Lake | 1859 | Comment | ||
UC408410 | Sidalcea oregana subsp. spicata | Milo S. Baker | Lassen | Dixey Valley | Comment | |||||
SCFS927 | Sidalcea oregana subsp. spicata | L. Loeblich | 1964-7-1 | 72 | Lassen | Along Hwy 299 going W, 0.5 mi W of jct of A-2 and Hwy 139 | 1250 | Comment | ||
JEPS28445 | Silene bernardina | George W. Gillett | 1957-7-24 | 896 | Lassen | dry flats between Cameron Meadow and Snag Lake (Lassen Volcanic National Park); , btw Cameron Mdw and Snag Lake | 1950 | Comment | ||
CHSC57274 | Silene bridgesii | Mary Meyer | 1980-7-24 | Lassen | West of rocky outcrop at sharp bend in the Lookout Road. | 2255 | Comment Read comments Aug 11 2014 |
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CAS-BOT-BC136279 | Silene douglasii | A. G. Brennels | 1928-7-3 | 7 | Lassen | Lassen Forest, Jesson Valley | 1463 | Comment | ||
OBI75896 | Silene menziesii | Anthony Baniaga | 2011-8-17 | 507 | Lassen | Lassen Natl Forset. Along Silver Lake Rd (32N10) W of 31N08. Red Cinder Quad T31N R8E SW of SW | 1896 | Comment | ||
CAS-BOT-BC389545 | Silene nuda | M. S. Taylor; B. Hammond | 1982-7-8 | 4790 | Lassen | Along Scott Rd just s of bend, ca. 4 mi ne of Beckwourth Pass | 1432 | Comment | ||
CAS-BOT-BC389551 | Silene nuda | John Thomas Howell | 1974-7-10 | 50547 | Lassen | Elysian Valley | 1325 | Comment | ||
CAS-BOT-BC389553 | Silene nuda | Louella Bass | 1973-6-15 | 107 | Lassen | Elysian Valley | 1325 | Comment | ||
UC1553400 | Silene nuda | G. Schoolcraft | 1988-7-7 | 1818 | Lassen | ca 1 mi s Horne Ranch (se corners of Madeline Plains); , s of Horne Ranch | 1645 | Comment | ||
CAS-BOT-BC74890 | Sinapis alba | John Thomas Howell | 1974-7-8 | 50502 | Lassen | Sierra Nevada. Susanville. | 1295 | Comment | ||
CHSC5235 | Sisymbrium altissimum | L. Harman | 1946-6-26 | Lassen | Webb's, Eagle Lake. | 1584 | Comment | |||
RSA715618 | Sisymbrium altissimum | L. Ahart, John Dittes | 2005-6-1 | 11850 | Lassen | On the west side of the poor dirt road, about 1/2 mile west of Scott Road, Long Valley, About 2 miles (air) northwest of the intersection of Scott Road and Highway 70, 3.9 miles (air) northwest of Hallelujah Junction. | 1449 | Comment | ||
UC1126792 | Sisymbrium altissimum | E. Sawyer | 1935-6-27 | 224 | Lassen | Long Valley | 1310 | Comment | ||
CHSC64775 | Sisymbrium orientale | Vernon H. Oswald | 1995-5-31 | 6803 | Lassen | Modoc Plateau. Smoke Creek Ranch Rd. 0.6 mi e of Hwy. 395, between Litchfield and Ravendale. | 1371 | Comment | ||
RSA0045631 | Sisymbrium orientale | Lowell A. Ahart, John Dittes | 2008-6-20 | 14900 | Lassen | About 100 yards south of where the levee road crosses Big Valley Canal, in Big Valley, about 4 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7 miles (air) northeast of Bieber. | 1263 | Comment | ||
HSC102778 | Sisyrinchium bellum | L. Ahart, John Dittes | 2008-6-20 | 14964 | Lassen | About 7.0 air mi. NE of Bieber, ~4.0 air mi. NE of Headquarters at Ash Creek State Wildlife Area; ~ 10 yds. west of where the levee road crosses Big Valley Canal, in Big Valley. | 1264 | Comment | ||
UC773859 | Sisyrinchium idahoense | L. R. Short, Wm. Gansberg | 1936-6-11 | S 430 | Lassen | Burgess Spring Esperiment Range; Lassen Forest | 1730 | Comment | ||
CDA38565 | Sium | F. A. Taylor | 1939-7-5 | s.n. | Lassen | Bieber. | 0 | Comment | ||
UC21380 | Sium suave | J. Burtt Davy | Jun 17 1897-Jun 24 1897 | 3363 | Lassen | Honey Lake Valley | Comment | |||
UC21381 | Sium suave | J. Burtt Davy | Jun 17 1897-Jun 24 1897 | 3363 | Lassen | Honey Lake Valley | Comment | |||
JEPS117479 | Solanum sarrachoides | Lowell Ahart, John Dittes | 2010-8-31 | 17138 | Lassen | On the east side of Walters Road, 4235 feet south of Modoc County Line, about 4.3 miles (air) south-southwest of Adin, about 7.0 miles (air) northeast of Bieber, Big Valley | 1276 | Comment | ||
NY820340 | Solanum triflorum | J. T. Howell | 1973-7-10 | 49797 | Lassen | Susanville, in city park | 1295 | Comment | ||
UC1191779 | Solanum triflorum | Verne Grant, Irving Schneider | 1947-8-1 | 8234 | Lassen | east end of Tule Lake Tule Lake | Comment | |||
UC1192245 | Sonchus asper | Verne Grant and Irving Schneider | 1947-7-30 | 8190 | Lassen | s point w embayment Tule Lake; s point of w embayment Tule Lake | Comment | |||
CAS-BOT-BC158899 | Sorbus scopulina | John Thomas Howell; Gordon H. True | 1973-8-1 | 50151 | Lassen | Gold Run Creek Road south of Susanville, Diamond Range - Sierra Nevada | 1584 | Comment | ||
HSC95260 | Sparganium emersum | Gordon Leppig, Tony LaBanca, Leonel Arguello | 1997-6-29 | 530 | Lassen | Modoc National Forest, Blue Lake Ranch | 1970 | Comment | ||
UC1099936 | Sparganium emersum var. emersum | Verne Grant and Irving Schneider | 1947-8-24 | 8271 | Lassen | nw shore Blue Lake (n Lassen County) | Comment | |||
NY482319 | Spergularia diandra | G. Schoolcraft | 1998-6-8 | 2734 | Lassen | N. base of Ft. Sage Mtns. | 1249.7 | Comment | ||
POM161479 | Sphenosciadium capitellatum | Franklin P. Nutting | 1894-7-28 | s.n. | Lassen | Bridge Creek | Comment | |||
UC21374 | Sphenosciadium capitellatum | M. S. Baker and Frank Nutting | 1894-7-28 | Lassen | Bridge Creek | Comment | ||||
CAS-BOT-BC149627 | Spiraea douglasii | B. C. Cain | 1925-8-24 | 80 | Lassen | 1 mile below Drakesbad, Mt. Lassen Nat. Park | 1645 | Comment | ||
HSC95268 | Spiranthes romanzoffiana | Gordon Leppig, J. Cromwell | 1997-7-26 | 601 | Lassen | Modoc National Forest, Blue Lake Ranch | 1970 | Comment | ||
SEINET3818362 | Spiranthes romanzoffiana | A. A. Heller | 1938-1 | Lassen | Comment | |||||
CHSC66279 | Spirodela polyrhiza | Vernon H. Oswald; Lowell Ahart | 1996-6-24 | 7883 | Lassen | Modoc Plateau. Papoose Meadows located ca. 0.5 mi E of Eagle Lake Rd. (A1) and 2.5 mi S of Eagle Lake. In a meadow on th E side of Papoose Creek N of the springs. | 1633 | Comment | ||
RSA746511 | Stachys ajugoides var. rigida | K. M. Meyer, A. Townesmith | 2007-7-21 | 142 | Lassen | Lassen National Forest. CA, 1.3 mi. on road 110, off Hwy A21, | 1821 | Comment | ||
CAS-BOT-BC60961 | Stanleya pinnata var. pinnata | G. Schoolcraft | 1989-5-31 | 1880 | Lassen | Near intersection of Skedaddle Ranch and Wendel Roads. | 1249 | Comment | ||
JEPS95975 | Stanleya viridiflora | Vernon H. Oswald and L. Ahart | 1999-6-9 | 9744 | Lassen | Northeast of Susanville on County Rd. 216 (to Karlo and Biscar Wildlife Management Area) 5.2 mi west of Hwy. 395, 0.2 mi east of the RR crossing at Karlo: T31N R15E SE1/4 Sect. 7, 4440 ft elevation, sagebrush scrub, white volcanic ash substrate | 1353 | Comment | ||
HSC95299 | Stellaria longipes subsp. longipes | Gordon Leppig, Tony LaBanca, Leonel Arguello | 1997-6-29 | 544 | Lassen | Modoc National Forest, Blue Lake Ranch | 1970 | Comment | ||
JEPS114768 | Stellaria longipes var. longipes | Lowell Ahart, John Dittes | 2008-6-20 | 14956 | Lassen | About 200 yards west of where the levee road crosses Big Valley Canal, in Big Valley, about 4 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7 miles (air) northeast of Bieber | 1263 | Comment | ||
SEINET10537644 | Stellaria longipes var. longipes | Mary Merello | 1993-6-28 | Merello 756 | Lassen | Lassen National Forest. At end of Forest Service Road 31N01 at lake. Pine woodland. | 1740 | Comment | ||
UC120067 | Stellaria longipes var. longipes | unknown | 1892-6-23 | Lassen | Honey Lake | Comment | ||||
CHSC92676 | Stenotus acaulis | L. P. Janeway; B. Castro | 2005-7-10 | 8487 | Lassen | Northern High Sierra Nevada. Crest of Diamond Mountains over-looking the northwest end of Honey Lake, more or less at the north end of Stony Ridge. Northeast edge of low flat ridge. | 1993 | Comment | ||
JEPS94472 | Stenotus acaulis | Vernon H. Oswald and Lowell Ahart | 1997-5-27 | 8507 | Lassen | 0.3 mi e of Highway 139 (n of Susanville on Forest Route 38N04 between Hwy 139 near Willow Creek Guard Station and Coyote Flat, betw road and creek paralleling rd to north); Forest Route 38N04 | 1560 | Comment | ||
JEPS17401 | Stephanomeria exigua subsp. exigua | Rimo Bacigalupi and G. T. Robbins | 1955-7-21 | 5425 | Lassen | In drainage of Rush Creek, S of the Smoke Creek Ranch Road, 1.3 mi E of the Nevada State line and 17.5 mi E of U.S. Highway 395. | 1341 | Comment | ||
CAS-BOT-BC375447 | Stephanomeria exigua subsp. exigua | R. F. Thorne; C. W. Tilforth | 1969-9-6 | 39261 | Lassen | On roadside c. 0.7 mi. SE of Milford, along Hwy. 395 (W. of Honey Lake) | 1280 | Comment | ||
CAS-BOT-BC375594 | Stephanomeria lactucina | Clare B. Hardham | 1971-8-22 | 18431 | Lassen | Diamond Mountain | 2346 | Comment | ||
CAS-BOT-BC375596 | Stephanomeria lactucina | Alice Eastwood | 1912-8-22 | s.n. | Lassen | Trail from Morgans Springs to Lassen Butte Region | Comment | |||
CHSC23504 | Stephanomeria tenuifolia | Wayne O. Baum | 1971-7-19 | 71 -76 | Lassen | E. slope of Gallatin Peak. | 2072 | Comment | ||
CHSC29899 | Stephanomeria tenuifolia | Robin L. Ondricek | 1978-8-2 | 110 | Lassen | On top of ridge se of Eagle Lake Field Station. | 1609 | Comment | ||
UC1523732 | Stephanomeria tenuifolia | Gary Schoolcraft | 1981-7-7 | 513 | Lassen | nw of Susanville Peak | 2011 | Comment | ||
HSC80000 | Stipa hymenoides | William Rothstrom | 1975-6-9 | Lassen | Johnstonville, 0.25 mi. S of Hwy. 395, W of airport | Comment | ||||
CHSC118491 | Stipa hymenoides | Don Lepley | 2015-6-16 | Lassen | Lassen National Forest. Eagle Lake Ranger District. A little north of County Road A-1 about 1/3 mile southwest of Sandy Beach cinder pits and two air miles north of Spalding marina. UTM 686984 x 4506793 | 1563 | Comment | |||
SEINET10448890 | Streptanthus cordatus | Paul Gallian, David B. Dunn | 1971-6-2 | Gallian 470 | Lassen | 6 mi. N. Of hallelujah jct. On us 395, in artemesia tridentata, pinyon pine, jeffrey pine along high ridge and in sandy wash. | 1402 | Comment | ||
UCD138352 | Stuckenia pectinata | Verne Grant; Irving Schneider | 1947-8-1 | 8244 | Lassen | East end of Tule Lake. | Comment | |||
UC768817 | Suaeda moquinii | R. F. Hoover | 1940-10-5 | 4669 | Lassen | Wendel | Comment | |||
CHSC76098 | Suaeda occidentalis | Lowell Ahart; Vernon H. Oswald | 1999-9-13 | 8211 A | Lassen | In a field, about 150 yards southwest of the parking area, about 1 mile south of the sign in station, Honey Lake Wildlife Area, 5 1/2 miles (air) southeast of Standish. | 1207 | Comment | ||
JEPS126467 | Symphoricarpos albus | Lillie Pennington, Jillian Pastick, Rachael Payer, Andrea Stuemsky | 2015-8-11 | CA 350 -057 | Lassen | North on 395, right on 502, right on 503 (Horn Road), right on Observation Peak Road. | Comment | |||
JEPS123497 | Symphoricarpos longiflorus | Wilson Collison, Jaileen Merced | 2015-8-8 | CA 320 -143 | Lassen | To Highway 139 W (North) from Termo - Grasshopper Road continue 4.5 mi (1 mile after entering forest). Turn right on to Grand Road (37N29). Continue uphill (East), right at 1st fork, straight at 2nd. | Comment | |||
CHSC60349 | Symphoricarpos rotundifolius var. rotundifolius | Mary Ann Showers | 1992-6-13 | 2532 | Lassen | Lassen Volcanic National Park. East shore of Butte Lake, ca 0.3 miles south of Butte Creek outlet. | 1841 | Comment | ||
UC1136760 | Symphyotrichum ascendens | L. R. Short | 1936-8-24 | S- 498 | Lassen | Burgess Spr. Exp. Range | 1792 | Comment | ||
CAS-BOT-BC97605 | Symphyotrichum campestre | James Jokerst | 1983-7-23 | 1867 | Lassen | Grasshopper Valley Quad. Near Madeline Plains | 1614 | Comment | ||
UCD107503 | Symphyotrichum foliaceum | Tim Kuhn | 2006-7-18 | 49 | Lassen | Eagle Lake Ranger District. | Comment | |||
UC2027325 | Symphyotrichum foliaceum var. parryi | Anthony Baniaga | 2011-9-8 | 512 | Lassen | Lassen National Forest. Caribou Wilderness; N of Long Lake. Red Cinder quadrangle. | Comment | |||
UCD18966 | Symphyotrichum spathulatum | Raymond D. Ratliff | 1965-8-5 | 46 | Lassen | Lassen National Forest, Gooch Valley Allotment, Mosquito Flat (Gooch V. 70-1). | 1889 | Comment | ||
CAS-BOT-BC221914 | Taeniatherum caput-medusae | John Thomas Howell | 1976-7-19 | 51956 | Lassen | On Gold Run Creek southwest of Susanville | 1356 | Comment | ||
CAS-BOT-BC221916 | Taeniatherum caput-medusae | Lee E. Wheeler | 1960-6-15 | s.n. | Lassen | Ca 4 mi SE/Susanville | Comment | |||
RSA324710 | Taeniatherum caput-medusae | A. Tiehm, James Young, Raymond Evans | 1984-6-7 | 8597 | Lassen | Flats on the northwest side of Shaffer Mountain, 9 air miles north-northwest of Litchfield. | 1387 | Comment | ||
SEINET11686811 | Taeniatherum caput-medusae | A. Tiehm, Evans, R.; Young, J. | 1984-1 | 8597 | Lassen | NW side of Shaffer Mountain, 9 air mi NNW of Litchfield | 1387 | Comment | ||
CHSC27714 | Taraxia tanacetifolia | Robert A. Schlising | 1978-7-6 | 3311 | Lassen | Dry Lake, SE of Eagle Lake. | 1645 | Comment | ||
JEPS114747 | Taraxia tanacetifolia | Lowell Ahart, John Dittes | 2008-6-22 | 15037 | Lassen | About 220 yards west of the road levee, on the banks of a small natural drainage, in Big Valley, about 2.1miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 5 miles (air) northeast of Bieber | 1262 | Comment | ||
UC1143007 | Taraxia tanacetifolia | August L. Hormay | 1934-5-14 | Lassen | Poison Lake Lassen <National> Forest | 1706 | Comment | |||
UC1368460 | Taraxia tanacetifolia | R. K. Gierisch | 1969-7-18 | 3550 | Lassen | near Modoc <National Forest>; Madeline Plains | Comment | |||
UC1594647 | Taraxia tanacetifolia | Vernon H. Oswald and Lowell Ahart | 1992-7-16 | 5102 | Lassen | s side of Hwy 44 between Old Station and Susanville (1.2 mi se of County Rd A21); Long Lake | 1745 | Comment | ||
UC1537604 | Taraxia tanacetifolia | Gordon H. True Jr. | 1936-6-26 | 543 | Lassen | Honey Lake-Willow Creek Valley Road | 1493 | Comment | ||
CAS-BOT-BC329047 | Tetradymia canescens | Elmer I. Applegate | 1897-6-4 | 3034 | Lassen | Madeline Plains | Comment | |||
CHSC64761 | Tetradymia canescens | Vernon H. Oswald | 1995-6-7 | 6838 | Lassen | Modoc Plateau. Ridge on the n side of Wendel Rd. (Lassen 320) at milepost 11.0, 5.6 mi e of Wendel, ne of Susanville. | 1261 | Comment | ||
UC1136973 | Tetradymia canescens | L. R. Short | 1936-9-13 | S 503 | Lassen | Burgess Spring Experimental Range Lassen Forest | 1761 | Comment | ||
UC501445 | Tetradymia canescens | Frank W. Peirson | 1932-7-20 | 10354 | Lassen | 20 mi se Susanville | Comment | |||
UCD136828 | Tetradymia canescens | Margaret Williams; Steven Williams | 1974-7-26 | 74- 2 -28 | Lassen | near Hallelujah Junction, west of Hwy 395 and south of Hwy 70. | 1493 | Comment | ||
JEPS17907 | Tetradymia glabrata | Rimo Bacigalupi with G. T. Robbins | 1955-7-21 | 5431 | Lassen | 8 mi e U. S. 395 (along Smoke Creek Ranch road, se part of Secret Valley); Secret Valley | 1402 | Comment | ||
RSA94936 | Tetradymia glabrata | F. W. Peirson | 1926-6-24 | 6854 | Lassen | On Madeline Plain | Comment | |||
UCR244047 | Tetradymia spinosa | Jim Andre | 1993-6-1 | 19717 | Lassen | Sierra Nevada/Great Basin, Honey Lake Valley, north end of Honey Lake, c. 20 mi. E of Susanville, at Wendel | 1218 | Comment | ||
UC117310 | Thelypodium crispum | Brandegee | 1892-6-26 | Lassen | Milford | Comment | ||||
HSC69588 | Thelypodium flexuosum | Gary Schoolcraft | 1980-5-16 | Lassen | SE of Wendel | 1220 | Comment | |||
NY215495 | Thelypodium flexuosum | A. Tiehm | 1980-5-29 | 5745 | Lassen | North end of Honey Lake Valley, just north of Hot Springs 1.1 air miles NNW of Wendel. | 1231.4 | Comment | ||
SEINET12380928 | Thelypodium flexuosum | M. J. Williams, G. Schoolcraft, A. Tiehm | 1986-5-12 | 86- 23 -1` | Lassen | Smoke Creek Road, E of Hwy 395, 1 mile W of the NV-CA border. | 1341 | Comment | ||
CAS-BOT-BC88090 | Thelypodium howellii subsp. howellii | Mrs. H. C. Cantelow | 1940-5-31 | 3764 | Lassen | 7.3 miles east of Bieber. | Comment | |||
CDA25201 | Thelypodium integrifolium subsp. complanatum | T. C. Fuller | 1980-9-4 | 20336 | Lassen | 0.3 km south of the Smoke Creek Ranch Road, 2 km west of the state line, Rush Creek drainage. | 0 | Comment | ||
CHSC100889 | Thelypodium integrifolium subsp. complanatum | L. P. Janeway | 2008-8-2 | 9531 | Lassen | Modoc Plateau. Just above the flats along the south side of Rush Creek; south side of Smokey Creek Ranch Road 1.8 km west of the CA-NV line. | 1349 | Comment | ||
JEPS17734 | Thelypodium integrifolium subsp. complanatum | Rimo Bacigalupi with G. T. Robbins | 1955-7-21 | 5428 | Lassen | 1.3 mi w Nevada State line (Rush Creek, s of Smoke Creek Ranch Rd, 17.5 mi e of U.S. Hwy 395); Rush Creek | Comment | |||
RSA285952 | Thelypodium integrifolium subsp. complanatum | T. C. Fuller | 1980-9-4 | 20336 | Lassen | 0.3 km S of the Smoke Creek Ranch Road, 2 km W of the state line, Rush Creek drainage. | Comment | |||
SEINET13762483 | Thelypodium integrifolium subsp. complanatum | T. C. Fuller | 1980-8-6 | 20321 | Lassen | 0.3 km. S. of Smoke Creek Ranch Road, 2 km. W. of the state like, Rush Creek drainage | Comment | |||
UC727098 | Thermopsis californica var. argentata | A. A. Heller | 1941-6-26 | 16229 | Lassen | ridge w Nieubieber | Comment | |||
CAS-BOT-BC193469 | Thinopyrum ponticum | R. E. Frenkel | 1964-10-1 | 918 | Lassen | On California Hwy. 36, 1.0 mile east of California Hwy. 44, west of Susanville | 1493 | Comment | ||
UCD93343 | Thinopyrum ponticum | John Thomas Howell | 8-9 Jul 1974 | 50506 | Lassen | Sierra Nevada. Susanville. | 1295 | Comment | ||
CAS-BOT-BC88135 | Thlaspi arvense | Ball | 1933-6-10 | s.n. | Lassen | Unspecified. | Comment | |||
CAS-BOT-BC88162 | Thysanocarpus curvipes | Doris Kildale Gillespie | 1930-5-12 | 9332 | Lassen | 2 miles north of Susanville on road to Alturas. | Comment | |||
UC61148 | Tiquilia nuttallii | J. Burtt Davy | Jun 17 1897-Jun 24 1897 | Lassen | Amedee Honey Lake Valley, Amedee | Comment | ||||
SD6323 | Tofieldia glutinosa subsp. occidentalis | Mrs. R. M. Austin | 1882-8-7 | Lassen | King's Valley. | Comment | ||||
HSC95288 | Torreyochloa pallida var. pauciflora | Gordon Leppig, Juli Neander, Kai Neander | 1997-7-26 | 689 | Lassen | Modoc National Forest, Blue Lake Ranch | 1970 | Comment | ||
SEINET7295160 | Torreyochloa pallida var. pauciflora | Malcolm A. Nobs, S. Galen Smith | 1949-1 | 1078 | Lassen | Canal, east side of Chester | Comment | |||
CHSC106584 | Toxicoscordion paniculatum | C. Dow; D. Garrison | 2008-5-3 | Lassen | Fort Sage Mtns. OHV Trailhead and Trail to Indian Springs. | 1439 | Comment | |||
CHSC71891 | Tribulus terrestris | Vernon H. Oswald; Lowell Ahart | 1998-9-8 | 9585 | Lassen | Ash Creek and Big Swamp 2.2 mi north of Bieber on County Road 91 (Bieber-Lookout Rd.). | 1258 | Comment | ||
CHSC58843 | Trichostema oblongum | Vernon H. Oswald; Lowell Ahart | 1992-7-16 | 5127 | Lassen | Bridge Creek Spring Rd. (County Rd. 112, Forest Rd. 31N06), 1.0 mi E of Willow Spring Rd. (Forest Rd. 31N56), between Old Station and Susanville. | 1745 | Comment | ||
CDA40981 | Trichostema simulatum | L. Ahart | 2003-8-17 | 10514 | Lassen | On the west side of the paved road, on the east side of Highway 36, about 1/4 mile southwest of the Susan River, about 8 miles (air) southwest of Susanville. | Comment | |||
CHSC31975 | Trichostema simulatum | L. Ahart; J. T. Howell | 1974-7-9 | 527 | Lassen | Along road, 3 mi w of Susanville. | 1584 | Comment | ||
CHSC84439 | Trichostema simulatum | Lowell Ahart | 2003-8-17 | 10514 | Lassen | On the west side of the paved road, on the east side of Highway 36, about 1/4 mile southwest of the Susan River, about 8 miles (air) southwest of Susanville. | 1433 | Comment | ||
JEPS104431 | Trichostema simulatum | Lowell Ahart | 2003-8-17 | 10514 | Lassen | On the w side of the paved road, on the e side of Highway 36, ca 1/4 mi sw of the Susan River, ca 8 mi (air) sw of Susanville. | 1433 | Comment | ||
UCLA55045 | Trichostema simulatum | Robert F. Hoover | 1940-9-21 | 4603 | Lassen | 4 mi W of Susanville | Comment | |||
CAS-BOT-BC219011 | Trifolium andersonii subsp. andersonii | Jean Langenheim | 1957-6-26 | 4369 | Lassen | Northwest Said Valley, northeastern part of Lassen County. In silty area | Comment | |||
CAS-BOT-BC219013 | Trifolium andersonii subsp. andersonii | Jas. Vale; Keith Wagnon; Walter Knight; Irja Knight | 1981-5-24 | 4114 | Lassen | Between Eagle Lake and Susanville on state hwy. 139 | Comment | |||
UC16418 | Trifolium andersonii var. andersonii | M. S. Baker and Frank Nutting | 1894-6-30 | Lassen | Big Valley | Comment | ||||
SBBG3808 | Trifolium beckwithii | H. and M. Dearing | 1939-6-6 | 3568 | Lassen | Pitt River, Bieber | Comment | |||
UC165623 | Trifolium breweri | Milo S. Baker | Lassen | Comment | ||||||
UCR267410 | Trifolium cyathiferum | Jim Andre | 1993-6-10 | 29998 | Lassen | along US Hwy 395, c. 10 mi south of Ravendale, west-southwest of Shinn Mountain | 1579 | Comment | ||
POM260739 | Trifolium cyathiferum | Alice Eastwood, John T. Howell | 1940-6-11 | 7990 | Lassen | Big Valley Mountains. | Comment | |||
UCSC010335 | Trifolium eriocephalum subsp. cusickii | Unknown | 2016-7-15 | 21231 | Lassen | About 80 yards west of the road, about 100 yards southwest of where the levee road crosses Big Valley Canal, in Big Valley, about 4 air miles northeast of the Headquarters at Ash Creek State Wildlife Area, about 7 air miles northeast of Bieber | 1268 | Comment | ||
CAS-BOT-BC219031 | Trifolium gymnocarpon subsp. plummerae | David D. Keck; J. Clausen | 1935-6-24 | 3742 | Lassen | 2 mi. S. of Ravendale | 1464 | Comment | ||
UCD109133 | Trifolium gymnocarpon subsp. plummerae | Brad D. Schafer | 2003-5-24 | 125 | Lassen | 1 mile W of Robinson Canyon and 2 miles SW of Doyle. | 1889 | Comment | ||
JEPS127632 | Trifolium longipes | Alejandro Brambila, Michael Dolan | 2016-7-7 | CA 320 -156 | Lassen | Ash Valley road 1 mi past Holbrook Reservoir. | Comment | |||
CHSC61150 | Trifolium longipes subsp. hansenii | Vernon H. Oswald; Lowell Ahart | 1993-5-12 | 5384 | Lassen | Hwy. 44 between Old Station and A21 (to Westwood), at a cattle guard 1.6 mi NW of Rd. 32N08 to Crater Lake. | 1751 | Comment | ||
JEPS107432 | Trifolium longipes var. nevadense | Lowell Ahart, John Dittes | 2005-6-1 | 11867 | Lassen | On the west side of the poor dirt road, about 1/2 mile west of Scott Road, Long Valley, about 2 miles (air) northwest of the intersection of Scott Road and Highway 70, 3.9 miles (air) northwest of Hallelujah Junction | 1448 | Comment | ||
RSA0037000 | Trifolium longipes var. nevadense | Lowell A. Ahart, John Dittes | 2008-6-20 | 14955 | Lassen | About 200 yards west of where the levee road crosses Big Valley Canal, in Big Valley, about 4 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7 miles (air) northeast of Bieber. | 1263 | Comment | ||
JEPS126520 | Trifolium macrocephalum | Lowell Ahart, John Dittes | 2016-6-7 | 20985 | Lassen | 30 yards east of the Stonebreaker Road, 0.6 miles south of County Road A-2, 5.3 miles (air) east of Bieber, 7.3 miles (air) southwest of Adin, hills at the southern slope of Big Valley. | Comment | |||
CHSC93693 | Trifolium variegatum var. geminiflorum | Lowell Ahart; John Dittes | 2005-6-2 | 11991 | Lassen | Along a small wash, west side of a poor dirt road, Long Valley, about 4 1/2 miles (air) northeast of the intersection of Scott Road and Highway 70, 6.0 miles (air) northwest of Hallelujah Junction. | 1427 | Comment | ||
CDA28075 | Trifolium wormskioldii | Gordon Leppig | 1998-7-12 | 961 | Lassen | Northern California Peatlands.; Modoc National Forest. Blue Lake Ranch. | Comment | |||
NY717693 | Trifolium wormskioldii | G. Schoolcraft | 1985-7-17 | 1466 | Lassen | Upper Smoke Creek | 1509 | Comment | ||
POM27706 | Trifolium wormskioldii | Marcus E. Jones | 1897-6-24 | s.n. | Lassen | 10 to 15 miles west from Amedee. | 1220 | Comment | ||
JEPS120924 | Triglochin scilloides | Lowell Ahart, John Dittes, Todd Sloat | 2013-6-8 | 18777 | Lassen | About 30 yards N of the four tall poles, Ash Creek Wildlife Area, about 5.5 air miles NE of Bieber, Big Valley. | Comment | |||
UC1024647 | Trisetum canescens | Leo Whitney | 1933-8-21 | 2208 | Lassen | ca 1 mi se Millford (near Humphrey's Cabin, se Lassen County) | Comment | |||
CAS-BOT-BC133480 | Triteleia crocea | A. M. Vollmer; L. Beane | 1953-7-1 | 80 | Lassen | Along Halls Flat road, beginning 6 miles west of Susanville to McArthur | 1554 | Comment | ||
CHSC5930 | Triteleia hyacinthina | M. West | 1946-6-13 | Lassen | Pine Creek, Eagle Lake. | 1584 | Comment | |||
UC1136927 | Triteleia hyacinthina | L. R. Short and Wm. Gansberg | July 1936 | S- 486 | Lassen | Burgess Spr. Exp. Range Lassen National Forest, Burgess Spr. Exp. Range | 1795 | Comment | ||
UC421857 | Triteleia hyacinthina | J. Burtt Davy | Jun 17 1897-Jun 24 1897 | 3386 | Lassen | Adobe Meadows Honey Lake Valley | Comment | |||
CAS-BOT-BC522010 | Triteleia hyacinthina | Alice Eastwood | 1912-8-22 | 1811 | Lassen | Trail from Morgans Springs to Lassen Butte | Comment | |||
RSA0008976 | Triteleia hyacinthina | Marcus E. Jones | 1897-6-21 | s.n. | Lassen | Chat. | 1616 | Comment | ||
RSA378064 | Triteleia hyacinthina | Hutchinson | s.n. | Lassen | [no additional locality information provided] | Comment | ||||
CHSC4753 | Triteleia montana | R. Carter | 1967-7-14 | 611 | Lassen | Hog Flat Reservoir, between highway 92 and shore of reservoir. | Comment | |||
CAS-BOT-BC73950 | Turritis glabra | Louella Bass | 1973-5-29 | 76 | Lassen | Sierra Nevada. Elysian Valley. | 1325 | Comment | ||
UC1241801 | Typha domingensis | Malcolm A. Nobs and S. Galen Smith | 1949-8-20 | 1473 | Lassen | n shore Honey Lake (Honey Lake Valley, one mi s of Milford); Honey Lake Valley | Comment | |||
UC1241777 | Typha latifolia | Verne Grant and Irving Schneider | 1947-8-1 | 8231 | Lassen | s Cross Hills (near State Fish and Game nesting area, Madeline Plain); s of Cross Hills, Madeline Plain | Comment | |||
CHSC65316 | Utricularia vulgaris | Vernon H. Oswald | 1995-8-21 | 7214 | Lassen | Warner Mtns. Blue Lake located ca. 13 mi SE of Likely. At the SW corner of the lake. | 1859 | Comment | ||
UCD99487 | Vaccaria hispanica | R. N. Raynor | 1938-7-16 | s.n. | Lassen | Honey Lake Valley. | Comment | |||
CAS-BOT-BC194022 | Vaccinium cespitosum | M. S. Baker; Frank Nutting | 1894-7-30 | s.n. | Lassen | Silver Lake | Comment | |||
CHSC12457 | Verbascum thapsus | Robert W. Severin | 1969-6-21 | 3 | Lassen | Beach of Eagle Lake, E.L.B.S. property in area of boat ramps. | 1554 | Comment | ||
SEINET10818429 | Verbascum thapsus | Karen M. Meyer, Andrew Townesmith | 2007-7-19 | Meyer 136 | Lassen | Lassen National Forest. Ca. 0.2 mi. on 29N03, off Hwy. 36 on pullout just past a dry creek. | 1459 | Comment | ||
CHSC65363 | Verbena bracteata | Vernon H. Oswald; Lowell Ahart | 1995-8-14 | 7177 | Lassen | Modoc Plateau. Hwy. 395 at the N end of a flooded playa (Mud Flat) 3.4 mi N of Smoke Creek Ranch Rd., N of Susanville. | 1348 | Comment | ||
RSA152586 | Verbena bracteata | I. L. Wiggins, Dorothy Wiggins | 1961-6-11 | 16338 | Lassen | Margin of reservoir N of road, 13.5 mi E of Susanville. | Comment | |||
SEINET9186959 | Verbena bracteata | G. Schoolcraft | 1998-8-4 | 2800 | Lassen | Along Hwy 395 berm. | 1341 | Comment | ||
CHSC4900 | Veronica americana | Bill Wilson | 1967-6-28 | 68 | Lassen | Collected at Upper Murrer Meadow, 2.5 mi. E of Eagle Lake Biological Station, 10 mi. N of Susanville. | 1524 | Comment | ||
CHSC7758 | Veronica americana | Beverly J. Wise | 1969-5-18 | 112 | Lassen | 18.2 mi. East of Susanville on Las. Co. Rd. 216 off Las. Co. Rd. 215. | 1554 | Comment | ||
SEINET10547662 | Veronica americana | Jeffrey Huber | 1971-6-11 | Huber 321 | Lassen | 3 mi e of westwood, on calif hwy 36 in volcanic soils, in pinus jeffreyi. | 1608 | Comment | ||
CHSC63722 | Veronica anagallis-aquatica | Vernon H. Oswald | 1994-9-6 | 6470 | Lassen | Willow Creek Wildlife Area on Hwy. 139, ca. 10 mi (air) N of Susanville. | 1490 | Comment | ||
JEPS107379 | Veronica arvensis | Lowell Ahart, John Dittes | 2005-6-1 | 11903 | Lassen | On the north side of Scott Road, east side of the railroad underpass, Long Valley, about 4 3/4 miles (air) north of the intersection of Scott Road and Highway 70, 6.2 miles (air) northwest of Hallelujah Junction | 1459 | Comment | ||
RSA715625 | Veronica arvensis | L. Ahart, John Dittes | 2005-6-1 | 11903 | Lassen | On the south side of Scott Road, east side of the railroad underpass, Long Valley, about 4.75 miles (air) north of the intersection of Scott Road and Hwy 70, 6.2 miles (air) northwest of Hallelujah Junction. | 1460 | Comment | ||
CAS-BOT-BC238143 | Veronica cusickii | Louella Bass | 1973-6-17 | 115 | Lassen | Elysian Valley | 1325 | Comment | ||
CHSC64899 | Veronica peregrina subsp. xalapensis | Vernon H. Oswald | 1995-6-19 | 6898 | Lassen | Modoc Plateau. Between Litchfield and Ravendale on Smoke Creek Ranch Rd., 4.9 mi e of Hwy. 395. | 1383 | Comment | ||
RSA0035398 | Veronica peregrina subsp. xalapensis | Lowell Ahart, John Dittes | 2008-6-20 | 14924 | Lassen | About 100 yards southwest of where the levee road crosses Big Valley Canal, in Big Valley, about 4 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7 miles (air) northeast of Bieber. | 1263 | Comment | ||
UC1583994 | Veronica peregrina subsp. xalapensis | G. Schoolcraft | 1990-5-15 | 2045 | Lassen | about 3 mi s of Nubieber (John's Valley area); John's Valley area | 1402 | Comment | ||
CHSC76789 | Veronica wormskjoldii | L. P. Janeway | 1999-9-5 | 6557 | Lassen | Upper Pine Creek near Stephens Camp; northwest corner of Upper Stephens Meadow. | 1900 | Comment | ||
SEINET10931714 | Vicia | Paul Gallian, David B. Dunn | 1971-6-2 | Gallian 485 | Lassen | 5 mi s of milford near honey lake on us hwy 395, along roadside in grass, Jeffery pine on mtn range to w at approximately the same altitude. | 1250 | Comment | ||
CHSC83990 | Vicia americana var. americana | K. R. Stern | 1967-6-24 | 2407 | Lassen | Murrer Meadow, ca. 3 mi. SE of Eagle Lake Biological Station. | 1554 | Comment | ||
UC1562635 | Vicia americana var. americana | Barbara Ertter | 1987-7-24 | 7298 | Lassen | ca 0.75 mi ene Beckwourth Pass (at end of old crumbling paved road) | 1524 | Comment | ||
POM28600 | Vicia americana var. americana | Marcus E. Jones | 1897-6-28 | s.n. | Lassen | Diamond Mountain; Susanville; Perkins Ranch. | 1829 | Comment | ||
RSA152662 | Vicia americana var. americana | I. L. Wiggins, Dorothy B. Wiggins, Bruce Wiggins | 1961-6-11 | 16330 | Lassen | 13.5 mi E. of Susanville | Comment | |||
CHSC112765 | Vicia villosa subsp. villosa | Lowell Ahart; John Dittes | 2013-7-23 | 18900 | Lassen | East side of the road levee, about 100 yards west of the four tall poles, Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. | 1267 | Comment | ||
UC1762504 | Viola bakeri | Milo S. Baker | 1947-8-12 | 11975 | Lassen | Cleistog Mt. Lassen National Park (Hwy 89 near lower margin of devastated area) | 1828 | Comment | ||
SEINET6176958 | Viola hallii | Leigh A. Johnson | 1993-4-23 | 93 -003 | Lassen | Jct. HWY 395 and road to Ramhorn Campground and Painter Flat ca. 60 miles south of Alturis.; 0 | 1650 | Comment | ||
UC1567387 | Viola lobata subsp. integrifolia | G. Schoolcraft | 1989-5-8 | 1869 | Lassen | SW slope of Hayden Hill. | 1798 | Comment | ||
HSC21869 | Viola nephrophylla | Jim Vaughn | 1956-8-11 | Lassen | Horseshoe Lake, Lassen Volcanic National Park | 1982 | Comment | |||
CHSC5926 | Viola purpurea subsp. dimorpha | J. B. Kimsey | 1946-6-17 | Lassen | Eagle Lake. Mt. Fredonyer. | 2133 | Comment | |||
RSA59746 | Viola purpurea subsp. venosa | N. N. Thompson | 1950-5-19 | 14785 | Lassen | 16.5 mi W of Madeline on rd from Adin. | 1677 | Comment | ||
UCD93679 | Vulpia microstachys | John Thomas Howell; Gordon H. True | 1973-5-12 | 49202 | Lassen | Elysian Valley NW of Janesville. | 1325 | Comment | ||
CAS-BOT-BC184672 | Vulpia myuros subsp. megalura | John Thomas Howell; Gordon H. True; Margaret Williams | 1973-5-12 | 49190 | Lassen | Elysian Valley northwest of Janesville | 1325 | Comment | ||
CHSC93659 | Vulpia myuros var. hirsuta | Lowell Ahart; John Dittes | 2005-6-2 | 11976 | Lassen | Stream edge, Long Valley, about 4 1/2 miles (air) northeast of the intersection of Scott Road and Highway 70, 5.7 miles (air) northwest of Hallelujah Junction. | 1408 | Comment | ||
UCD55298 | Vulpia myuros var. hirsuta | Ellen Dean; Gary Schoolcraft | 2006-5-16 | 3119 | Lassen | East of town of Susanville, along County Road A27 (Center Road). Private land north of California Correctional Facility owned by Virginia Johnston, to be purchased by state for expansion of alfalfa fields. | 1283 | Comment | ||
CHSC5222 | Wyethia mollis | W. Vinyard | 1946-6-12 | Lassen | Aspen Grove on Pine Creek, Eagle Lake. | 1580 | Comment | |||
UC1136970 | Wyethia mollis | L. R. Short and Wm. Gansberg | 1936-6-16 | S- 440 | Lassen | Burgess Spr. Exp. Range Lassen National Forest | 1841 | Comment | ||
UC1137288 | Wyethia mollis | K. E. Bradshaw | 1939-5-27 | 240 | Lassen | n end of plot Lassen National Forest, Black Mountain E. F. Plot 39-1 | 1767 | Comment | ||
UC89850 | Wyethia mollis | T. S. Brandegee | 1882-6-26 | Lassen | Milford | Comment | ||||
CAS-BOT-BC383485 | Wyethia mollis | Doris Kildale Gillespie | 1930-5-14 | 9378 | Lassen | 5 miles west of Susanville | Comment | |||
RSA302669 | Wyethia mollis | J. R. Shevock | 1972-5-20 | 1820 | Lassen | Near Doyle, Hwy 395. | 1220 | Comment | ||
SEINET10914998 | Wyethia mollis | Jeffrey Huber | 1971-6-2 | Huber 109 | Lassen | 4 mi. S of Adin along Calif. Hwy. 139 in basalt-clay; valley floor in Artemisia. | 1341 | Comment | ||
UCD62828 | X Pseudelymus saxicola | Beecher Crampton | 1954-7-5 | 2062 | Lassen | Along Hwy 36, 4.5 miles west of Susanville. | 1432 | Comment | ||
POM115267 | X Stiporyzopsis bloomeri | Marcus E. Jones | 1897-6-18 | s.n. | Lassen | Chat | 1524 | Comment | ||
CDA37850 | Xanthium spinosum | Michael Pitcairn | 2012-7-11 | s.n. | Lassen | Susanville; Wood Ranch. | 0 | Comment | ||
UC1099973 | Zannichellia palustris | Verne Grant and Irving Schneider | 1947-7-31 | 8214 | Lassen | irrigation ditch ne quarter of George Williams Section 19 Madeline Plain | Comment | |||
SEINET10534264 | Zigadenus paniculatus | Paul Gallian, David B. Dunn | 1971-1 | Lassen | Comment | |||||
HSC69618 | Zigadenus venenosus var. venenosus | Gary Schoolcraft | 1980-4-25 | Lassen | N of Wendell | 1311 | Comment |
Copyright © 2019 Regents of the University of California — Updated 11 January 2019 |