|
Search Results
— 2000 specimen records retrieved (1580 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 |
Download Options: |
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. |
Click on column header to sort data (* sorts by family); click in leftmost checkbox to select record. CCH Help Page.
A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ... |
||||||||||
? | Specimen ID | Determination * | Collector | Collection Date | Collection Number | County | Locality | Elevation in meters | Feedback | |
---|---|---|---|---|---|---|---|---|---|---|
CDA465 | Abies concolor | Mark Lubinski | 2000-10-12 | PDR# 1103214 | Lassen | 5 mi. W of Susanville by Hwy. 44. | Comment | |||
CHSC13794 | Abies magnifica | Cathy Crittenden | 1970-7-9 | 39 | Lassen | 2 1/2 miles east of Antelope Mtn. lookout on road to Eagle Lake Resort. | 1981 | 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 | ||
CDA18380 | Acer negundo | G. D. Barbe | 1978-7-11 | 2400 | Lassen | Madeline Plains; Madeline Plains, West Side Rd. W of Termo. | 1615 | Comment | ||
CAS-BOT-BC334175 | Acer negundo var. californicum | J. T. Howell | 1975-7-23 | s.n. | Lassen | Susanville, in park | 1295 | Comment | ||
CAS-BOT-BC28648 | Achillea millefolium | Louella Bass | 1973-5-29 | 72 | Lassen | Elysian Valley | 1325 | Comment | ||
CAS-BOT-BC28649 | Achillea millefolium | Lassen 1927 G. S. Crew | 1927-7-15 | 78 | Lassen | Lassen County | 1725 | Comment | ||
CAS-BOT-BC260404 | Achnatherum hymenoides | L. P. Janeway | 1990-7-4 | 3769 | Lassen | Near E side of saddle ca 0.8 mile NE of Meadowview Peak | 1981 | Comment | ||
CHSC30582 | Achnatherum hymenoides | M. A. Dubin | 1975-7-20 | 9 | Lassen | Eagle Lake Field Station 50 yards north of Kitchen. | 1569 | Comment | ||
UC60714 | Achnatherum hymenoides | J. Burtt Davy | Jun 17 1897-Jun 24 1897 | Lassen | Long Valley Honey Lake Valley | Comment | ||||
UCD50597 | Achnatherum lemmonii | Beecher Crampton | 1954-7-5 | 2054 | Lassen | Along Hwy. 36, 4.5 miles west of Susanville. | 1432 | Comment | ||
UCD50603 | Achnatherum lemmonii | John Thomas Howell | 1976-7-19 | 51980 | Lassen | Transition Zone forest on Gold Run Creek southwest of Susanville. Lassen County. | 1386 | Comment | ||
CAS-BOT-BC216803 | Achnatherum occidentale | John Thomas Howell | 1934-7-10 | 12535 | Lassen | Between Harvey Valley and Patterson Flats | Comment | |||
UCD54017 | Achnatherum occidentale | John Thomas Howell; Gordon H. True | 1973-8-1 | 50069 | Lassen | Canadian Zone forest, east slope of Diamond Range south of Susanville, Lassen County. | 2362 | Comment | ||
SEINET7593424 | Achnatherum occidentale | John Thomas Howell | 1934-1 | 12431 | Lassen | Hall's Flat | Comment | |||
CAS-BOT-BC216451 | Achnatherum occidentale subsp. californicum | John Thomas Howell | 1969-8-7 | 45884 | Lassen | Butte Lake, Lassen Park | Comment | |||
CHSC106321 | Achnatherum occidentale subsp. californicum | Lowell Ahart; John Dittes | 2010-7-31 | 17027 | 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 | ||
RSA129521 | Achnatherum occidentale subsp. californicum | L. R. Short, Wm Gansberg | 1936-6-2 | S- 366 | Lassen | MDM, Burgess Spr. Exp. Range | 1859 | Comment | ||
UCD51136 | Achnatherum occidentale subsp. californicum | L. Whitney | 1935-6-18 | 3262 b | Lassen | Logan Mountain, 13 miles north of Lassen Peak, Lassen National Forest. | 1981 | Comment | ||
CAS-BOT-BC218610 | Achnatherum occidentale subsp. pubescens | John Thomas Howell | 1976-7-19 | 51981 | Lassen | Gold Run Creek southwest of Susanville, Sierra Nevada | 1386 | Comment | ||
UC1143012 | Achnatherum occidentale subsp. pubescens | August L. Hormay | 1934-6-30 | Lassen | Harvey Mtn. Lassen National Forest | 2133 | Comment | |||
UCD32666 | Achnatherum occidentale subsp. pubescens | Beecher Crampton | 1954-7-5 | 2066 | Lassen | Lassen County, 5.5 miles west of Susanville, along highway 36. | 1447 | Comment | ||
UCD51169 | Achnatherum occidentale subsp. pubescens | A. L. Hormay | 1934-6-30 | s.n. | Lassen | on Harvey Mountain, Lassen National Forest. | 2133 | Comment | ||
UCD51205 | Achnatherum occidentale subsp. pubescens | Beecher Crampton | 1954-7-5 | 2069 | Lassen | Along US Hwy. 395, 1 mile east of Johnstonville. | Comment | |||
UCD51209 | Achnatherum occidentale subsp. pubescens | Beecher Crampton | 1954-7-5 | 2051 | Lassen | Along Hwy. 36, 4.5 miles west of Susanville. | 1432 | Comment | ||
UCD51228 | Achnatherum occidentale subsp. pubescens | George A. Fischer; Irwin H. Johnson | 1933-7-12 | F 218 | Lassen | Lassen County. | 1722 | Comment | ||
UC1026712 | Achnatherum thurberianum | Leo Whitney | 1935-6-25 | 3311 | Lassen | 13 mi w of upper end Eagle Lake; Ashurst Mountain | Comment | |||
UCD51422 | Achnatherum thurberianum | L. Whitney | 1935-6-19 | 3267 | Lassen | Camp 10, Fruit Grower's Supply Company, Lassen National Forest. | Comment | |||
UCD51427 | Achnatherum thurberianum | B. L. Kay | 1961-6-28 | s.n. | Lassen | 6 miles NW of Madeline. | Comment | |||
UCD55295 | Achnatherum thurberianum | Ellen Dean; Gary Schoolcraft | 2006-5-16 | 3116 | 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. | 1274 | Comment | ||
UC579786 | Achnatherum webberi | David D. Keck and J. Clausen | 1935-6-24 | 3749 | Lassen | 2 mi s, on borders of an alkali mud flat Ravendale | 1465 | Comment | ||
CHSC105251 | Acmispon americanus var. americanus | Lowell Ahart; John Dittes | 2010-7-31 | 16999 | Lassen | On the north side of the road, about 15 yards west 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 | ||
CHSC29909 | Acmispon americanus var. americanus | Robin L. Ondricek | 1978-7-15 | 99 | Lassen | East side of Lower Dry Lake. | 1645 | Comment | ||
CAS-BOT-BC412874 | Aconogonon davisiae | G. Schoolcraft | 1997-8-6 | 2664 | Lassen | N of Dimond [Diamond] Rock Peak | 2316 | Comment | ||
CAS-BOT-BC418769 | Aconogonon phytolaccifolium | Alice Eastwood | 1912-8-22 | 1878 | Lassen | Morgans Springs [Morgans Hot Springs, el. 5000 ft.], Lassen Butte Region | Comment | |||
CHSC112436 | Aegilops cylindrica | Lowell Ahart; John Dittes, Todd Sloat | 2013-6-9 | 18787 | Lassen | On the east side 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 | ||
CHSC12958 | Agastache parvifolia | K. R. Stern; D. B. Joley, J. G. Geschke | 1974-6-22 | 5804 | Lassen | W side of Hwy. 139, ca. 7.7 mi n of Murrer Ranch turnoff, ca. 100 yds. s of Colley Point overlooking Eagle Lake. | Comment | |||
JEPS28682 | Agastache parvifolia | George W. Gillett | 1957-7-26 | 909 | Lassen | along e shore Butte Lake (Butte Lake, Lassen Volcanic National Park); Lassen Volcanic National Park, Butte Lake | 1859 | Comment | ||
SEINET10814664 | Agastache parvifolia | Andrew Townesmith, Karen M. Meyer | 2007-7-22 | Townesmith 847 | Lassen | Lassen National Forest, Eagle Lake Ranger District. Intersection of Forest Service road 32N09 and Forest Service route 10, 6 miles SW of state route 44. | 1971 | Comment | ||
SEINET11261376 | Agastache parvifolia | Mary Merello, H. H. Schmidt; L. Woodruff | 1993-6-28 | 746 | Lassen | Poison Lake. Along Hwy 44 just south of the Hwy 89, Hyw 44 instersection.; 0 | 1700 | Comment | ||
CHSC23525 | Agastache urticifolia | Wayne O. Baum | 1971-7-14 | 71 -68 | Lassen | N slope of Gallatin Peak. | 2011 | Comment | ||
JEPS18703 | Ageratina occidentalis | Brown and Wieslander | 1922-7-23 | 62 | Lassen | Martin Springs Eagle Lake, Martin Springs | Comment | |||
UC1483833 | Ageratina occidentalis | G. Schoolcraft | 1979-8-15 | 180 | Lassen | Tule Mountain area Tule Mountain | 2042 | Comment | ||
CAS-BOT-BC30232 | 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-BC30234 | Ageratina occidentalis | Hans Leschke | 1961-8-18 | 1832 | Lassen | Summit area of Diamond Peak | 2423 | Comment | ||
CHSC64836 | Agoseris glauca var. glauca | Vernon H. Oswald | 1995-6-26 | 6944 | Lassen | Modoc Plateau. Spooner Rd. ca. 0.3-0.4 mi E of its junction with Ash Valley Rd. (Lassen 527) in Ash Valley. | 1542 | Comment | ||
CAS-BOT-BC15350 | Agoseris heterophylla | Doris Kildale Gillespie | 1930-5-13 | 9370 | Lassen | Between Susanville and Janesville | Comment | |||
CAS-BOT-BC22893 | Agoseris heterophylla | Margaret J. Williams; Gary Schoolcraft; Arnold Tiehm | 1986-5-12 | 82- 19 -1 | Lassen | Smoke Creek Rd., 0.1 mi E of Hwy 395 | 1371 | Comment | ||
CAS-BOT-BC433230 | Agoseris heterophylla | K. L. Chambers; Peter G. Dorris | 1963-5-11 | s.n. | Lassen | Red Rock Road, just east of Hwy. 395 (and just w. of Nevada State Line), ca. 10 mi. n. of Hwy. 70 junction, and s. of Constantia. | Comment | |||
SEINET6738695 | Agoseris heterophylla | M. J. Williams, G. Schoolcraft, A. Tiehm | 1986-5-12 | 80- 19 -1 | Lassen | Smoke Creek Rd., 0.1 mile E of Hwy 395 | 1372 | Comment | ||
UC29359 | Agoseris heterophylla var. heterophylla | M. S. Baker and Frank Nutting | 1894-7-2 | Lassen | s side Dixey Mts. | Comment | ||||
CAS-BOT-BC13231 | Agoseris monticola | G. D. Hanna | 1958-9-22 | s.n. | Lassen | Road from Caribou Lake to Cone Lake | Comment | |||
UC1125451 | Agoseris parviflora | A. Simontacchi | 1940-6-8 | 838 | Lassen | 1.2 mi ne Ebey Lake; Halls Flat Quad. | 1699 | Comment | ||
UC1143046 | Agoseris parviflora | L. R. Short and J. Warren | 1936-6-5 | S- 372 | Lassen | Burgess Spring Experimental Range Lassen National Forest | 1798 | Comment | ||
UC1136778 | Agoseris retrorsa | L. R. Short and W. McNulty | 1936-6-15 | S- 436 | Lassen | Burgess Spring Exp. Range | 1848 | Comment | ||
UCD149818 | Agropyron cristatum subsp. pectinatum | Harry George | 1965-6-1 | s.n. | Lassen | Susanville Airport. | Comment | |||
SEINET10509717 | Agropyron desertorum | Douglas G. LeDoux, David B. Dunn | 1973-5-24 | LeDoux 859 | Lassen | Collected at jct of hwy 70 & 395 at arco station. | Comment | |||
SEINET13680160 | Agropyron desertorum | P. Gallian, David B. Dunn | 1971-6-2 | 484 | Lassen | 5 mi. S of Milford near Honey Lake on U.S. Hwy. 395.; 0 | 1250 | Comment | ||
CAS-BOT-BC127238 | Agrostis exarata | Malcom A. Nobs; S. Galen Smith | 1949-7-21 | 1057 | Lassen | 4 miles north of Madeline. | Comment | |||
CAS-BOT-BC127239 | Agrostis exarata | John Thomas Howell; Gordon H. True | 1973-8-1 | 50182 | Lassen | Sierra Nevada. Gold Run Creek road south of Susanville, Diamond Range. | 1584 | Comment | ||
UCD39949 | Agrostis exarata | A. H. Murphy | 1953-6-24 | HG 48 | Lassen | Lassen County?: Hog Lake, James pasture. | 762 | Comment | ||
UCD52428 | Agrostis exarata | L. Whitney | 1933-8-2 | 2152 | Lassen | Slate Creek, 8 miles northwest of Eagle Lake, Lassen National Forest. | 1920 | Comment | ||
CAS-BOT-BC139680 | Agrostis gigantea | Clare B. Hardham | 1969-8-28 | 17427 | Lassen | Sierra Nevada. West of Janesville. | Comment | |||
CAS-BOT-BC139450 | Agrostis hyemalis | Leo Whitney | 1933-8-4 | 2228 | Lassen | Meadow near Sheepshead. | 1889 | Comment | ||
UC1024638 | Agrostis pallens | Leo Whitney | 1934-7-10 | 2225 | Lassen | meadow near Harvey Spring (ca 14 mi w of Eagle Lake); Lassen National Forest, Harvey Valley | 1737 | Comment | ||
CAS-BOT-BC138802 | Agrostis scabra | John Thomas Howell | 1973-7-10 | 49768 | Lassen | Sierra Nevada. Near Westwood. | 1554 | Comment | ||
CHSC29905 | Agrostis scabra | Robin L. Ondricek | 1978-8-4 | 114 | Lassen | Near edge of Eagle Lake along grassy shoreline. | 1554 | Comment | ||
UCD53272 | Agrostis scabra | L. Whitney | 1933-8-4 | 2228 | Lassen | Sheepshead, 10 miles northwest of north end of Eagle Lake, Lassen National Forest. | 1889 | Comment | ||
CAS-BOT-BC138623 | Agrostis stolonifera | Margaret Williams; Steven Williams | 1974-7-26 | 74 -L-39 | Lassen | Sierra Nevada. Near Hallelujah Junction west of Highway 395 and south of Highway 70. | 1493 | Comment | ||
CAS-BOT-BC138625 | Agrostis stolonifera | John Thomas Howell | 1973-7-10 | s.n. | Lassen | Sierra Nevada. In city park, Susanville. | 1295 | Comment | ||
CAS-BOT-BC138626 | Agrostis stolonifera | G. Schoolcraft | 1999-9-8 | 2884 | Lassen | Along Susan River west of Susanville. | 1341 | Comment | ||
SEINET4342189 | Agrostis stolonifera | B. L. Wilson, D. Lytjen | 2005-7-25 | 11489 | Lassen | Deep Creek, near confluence with a smaller stream | 1359 | 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 | |||
UCD137906 | Alisma gramineum | Malcolm A. Nobs; S. Galen Smith | 1949-7-22 | 1074 | Lassen | along Willow Creek, Willow Creek Valley, 10 miles north of Susanville. | Comment | |||
GMDRC7739 | Allium acuminatum | J. M. Andre, G. Clifton | 1993-6-1 | 33419 | Lassen | Modoc Plateau: along US Hwy 395 approx 11 mi. SE of Ravendale, just north of Tule Patch Spring, east of Snowstorm Mtn | 1588 | Comment | ||
CHSC99735 | Allium bisceptrum var. bisceptrum | Lowell Ahart; John Dittes | 2008-6-20 | 14975 | Lassen | Upland on the northeast side of Big Valley, about 5.3 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 8.3 miles (air) northeast of Bieber. | 1287 | Comment | ||
CHSC30581 | Allium campanulatum | Sori H. Shad | 1970-7-25 | 48 | Lassen | Found on the way to Papoose Valley, about 9 miles south of E. L. B. S. | 1653 | Comment | ||
UC1136928 | Allium lemmonii | L. R. Short | 1936-6-10 | S- 416 | Lassen | Burgess Spr. Exp. Range Lassen Forest, Burgess Spr. Exp. Range | 1798 | Comment | ||
CAS-BOT-BC474045 | Allium parvum | Doris Kildale Gillespie | 1930-5-13 | 9371 | Lassen | Between Susanville and Janesville | Comment | |||
CAS-BOT-BC474046 | Allium parvum | Louella Bass | s.n. | Lassen | Elysian Valley | Comment | ||||
CAS-BOT-BC474047 | Allium parvum | Louella Bass | 1973-4-15 | 20 | Lassen | Elysian Valley | 1325 | Comment | ||
JEPS47583 | Allium platycaule | Hilda W. Grinnell | 1934-6-1 | Lassen | 8 mi sw Susanville | 1950 | Comment | |||
POM110002 | Allium platycaule | Marcus E. Jones | 1897-6-28 | s.n. | Lassen | Diamond Mountain. Susanville. Perkin s Ranch. | 1829 | Comment | ||
RSA59747 | Allium platycaule | E. K. Balls | 1950-5-19 | 14782 | Lassen | 16.5 miles west of Madeline on road from Adin. | 1677 | 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 | ||
CHSC91199 | Alnus incana subsp. tenuifolia | Lowell Ahart; John Dittes | 2005-6-2 | 11945 | 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 | ||
NY526213 | Alnus incana subsp. tenuifolia | G. Schoolcraft | 1982-8-18 | 887 | Lassen | Along Doyle Grade Road, west of Doyle | 1554.5 | Comment | ||
CDA28189 | Alopecurus aequalis | A. A. Beetle | 1941-6-28 | Lassen | Route 36, 10 mi west of Chester | 0 | Comment | |||
SEINET7295647 | Alopecurus aequalis | A. A. Beetle | 1941-1 | 2795 | Lassen | 10 miles west of Chester, rte 36 | Comment | |||
UCD55830 | Alopecurus aequalis | L. Whitney | 1933-8-4 | 2200 | Lassen | Lassen National Forest, ca. 8 miles northwest of Eagle Lake, Slate Creek. | 1920 | Comment | ||
UCD55845 | Alopecurus aequalis | A. A. Beetle | 1941-6-28 | 2795 | Lassen | 10 miles W of Chester, rte 36. | Comment | |||
CHSC99293 | Alopecurus geniculatus | Lowell Ahart; John Dittes | 2008-6-20 | 14960 | Lassen | About 300 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 | ||
UC1951066 | Alopecurus saccatus | Debra Valov | 2007-5-22 | 2007074 | Lassen | Bieber, ca. 12 km east of Hwy 299 via County Rd A2. | Comment | |||
JEPS87507 | Alyssum desertorum | Vernon H. Oswald and Lowell Ahart | 1993-6-14 | 5534 | Lassen | 20 mi e.-n.e. of Spaulding Tract Road ((Rd. 518, 33N89), Eagle Lake Road (Lassen Al) at Sandy Beach on the w. shore of Eagle Lake); Eagle Lake, Sandy Beach | 1566 | 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 | |||
CHSC5065 | Amaranthus albus | D. L. Stites | 1967-7-1 | 143 | Lassen | Ca. 200 yds ne of Eagle Lake Biology Station. | 1524 | Comment | ||
HSC31339 | Amaranthus blitoides | D. H. Norris, T. Nelson, S. Dowty | 1971-6-22 | 19304 | Lassen | Along Hwy. 395 about 4 mi. E of Standish | Comment | |||
CAS-BOT-BC42891 | Ambrosia acanthicarpa | Margaret Williams; Steven Williams | 1974-7-26 | 74 -L-10 | Lassen | Burned area near Hallelujah Junction, west of Hwy 395 and south of Hwy 70 | 1493 | Comment | ||
JEPS95745 | Ambrosia acanthicarpa | Vernon H. Oswald and L. Ahart | 1995-8-14 | 7191 | Lassen | T33N R14E SW1/4 Sec. 2, 5400 ft, Modoc Plateau, Sagebrush Scrub. Horse Lake Rd. (Lassen 536) 1.8 mi W of Hwy. 395, N of Susanville | 1645 | Comment | ||
UC1118423 | Ambrosia acanthicarpa | C. W. Hanks | 1934-9-25 | 86 | Lassen | floor of, (near Plumas National Forest) Long Valley; Sierraville Quad., Plumas National Forest | 1371 | Comment | ||
UC761997 | Ambrosia acanthicarpa | R. F. Hoover | 1940-10-5 | 4666 | Lassen | Wendel | Comment | |||
RSA132023 | Ambrosia acanthicarpa | Delzie Demaree | 1959-8-18 | 41520 | Lassen | P.O. Termo. | Comment | |||
CHSC29918 | Amelanchier alnifolia var. pumila | Robin L. Ondricek | 1978-5-25 | 26 | Lassen | .5 mi S of tunnel crossing on road to Eagle Lake Field Station. | 1554 | Comment | ||
SEINET10931749 | Amelanchier gracilis | Jeffrey Huber | 1971-6-11 | Huber 331 | Lassen | 1 mile w of westwood, on cal hwy 36, scattered pinus ponderosa, pseudotsuga Menziesii, arctostaphylos, and ceanothus, all volcanic soils, rather flat and Arid | Comment | |||
CHSC25302 | Amelanchier pallida | Pauleen Broyles | 1977-5-30 | 147 | Lassen | Spencer Spring ca 8 km nne of Herlong. Canyon below spring. | 1620 | Comment | ||
CAS-BOT-BC142541 | Amelanchier utahensis | Brighton C. Cain | 1925-8-24 | 116 | Lassen | 1 mile below Drakesbad, Mt. Lassen Volcanic National Park | 1645 | Comment | ||
UC1924571 | Amelanchier utahensis | Debra Valov | 2006-5-29 | 2006021 | Lassen | Bieber off County Rd A2 c. 8.7 km east of Hwy 299 | 1285 | Comment | ||
CHSC109980 | Amphiscirpus nevadensis | Richard R. Halse | 2010-8-25 | 8087 | Lassen | Along State Hwy. 139 ca. 26.2 miles north of Susanville on the northeast shore of Eagle Lake. | 1559 | Comment | ||
CHSC76307 | Amphiscirpus nevadensis | Lowell Ahart; Vernon H. Oswald | 1999-9-13 | 8228 | Lassen | Along a small slough, on the south side of Mapes Road, about 200 yards east of Lambert Lane, about 3 1/2 miles (air) southeast of Standish. | 1210 | Comment | ||
UCD146584 | Amphiscirpus nevadensis | Richard R. Halse | 2010-8-25 | 8087 | Lassen | along State Highway 139 around 26.2 miles north of Susanville on the northeast shore of Eagle Lake. | 1559 | Comment | ||
CAS-BOT-BC222252 | Amsinckia | Alice Eastwood; John Thomas Howell | 1940-6-11 | 7967 | Lassen | Eastern Fall River Valley | Comment | |||
CHSC99503 | Amsinckia intermedia | Lowell Ahart; John Dittes | 2008-6-20 | 14935 | 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. | 1263 | Comment | ||
SEINET10455819 | Amsinckia menziesii | Billy Joe Cox, Paul Gallian | 1971-6-2 | Cox 2582 | Lassen | 6 mi S of Adin; along CA Hwy 139 right-of-way; in basalt-clay, grassy road bank; Artemesia-Juniper assoc. | 1372 | Comment | ||
SEINET12509727 | Amsinckia tessellata | F. B. Headley | 1915-5-28 | s.n. | Lassen | Honey Lake. | Comment | |||
CHSC5192 | Anaphalis margaritacea | 1944-7-19 | Lassen | Juniper Lake. | 2055 | Comment | ||||
POM82276 | Angelica breweri | Marcus E. Jones | 1897-6-25 | s.n. | Lassen | Susanville. | 1341 | Comment | ||
SEINET6735001 | Anisocoma acaulis | F. B. Headley | 1915-5-28 | s.n. | Lassen | Honeylake | Comment | |||
CHSC23527 | Antennaria argentea | Wayne O. Baum | 1971-7-12 | 71 -54 | Lassen | E. slope of Gallatin Peak. | 1950 | Comment | ||
SEINET3145644 | Antennaria argentea | M. E. Jones | 1897-6-25 | sn | Lassen | Susanville | 1341 | Comment | ||
CAS-BOT-BC63875 | Antennaria argentea | C. L. Hitchcock | 1940-5-26 | 6616 | Lassen | Ca. 12 miles north of Fall River Mills (Shasta Co.) on Fall River | 1371 | 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 | ||
UC1137285 | Antennaria dimorpha | K. E. Bradshaw | 1939-5-27 | 244 | Lassen | near s end of Black Mt. Experimental Forest; Lassen National Forest, Halls Flat Quad., Thompson Meadow | 1737 | Comment | ||
UC773914 | Antennaria dimorpha | L. R. Short | 1936-6-8 | S- 386 | Lassen | Burgess Sp. Exp. Range Thompson Meadow | 1743 | Comment | ||
CAS-BOT-BC69137 | Antennaria geyeri | John Thomas Howell | 1934-7-9 | 12520 | Lassen | Pine Creek Flat | Comment | |||
UC506910 | Antennaria geyeri | George A. Fischer and Irwin H. Johnson | 1933-7-17 | F- 267 | Lassen | Lassen National Forest | 1722 | Comment | ||
UC773955 | Antennaria geyeri | L. R. Short and Wm. Gansberg | 1936-7-3 | S- 475 | Lassen | Burgess Spring Experiement Range | 1828 | Comment | ||
CAS-BOT-BC69142 | Antennaria geyeri | Christopher Davidson | 1974-7-24 | 2487 | Lassen | jCa. 4 mi W of Janesville on rd to Antelope Valley | 2133 | Comment | ||
SJSU7638 | Antennaria geyeri | J. W. Tilden | 1960-6-27 | 1510 | Lassen | foot of Moonlight Road in outskirts Westwood | 1524 | Comment | ||
RSA715539 | Antennaria luzuloides | L. Ahart | 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 air miles northwest of the intersection of Scott Road and Highway 70, 3.9 air miles northwest of Hallelujah Junction. | 1449 | Comment | ||
CHSC68730 | Antennaria luzuloides subsp. luzuloides | Vernon H. Oswald; Lowell Ahart | 1997-5-27 | 8506 | 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 | ||
CAS-BOT-BC77284 | Antennaria microphylla | John Thomas Howell; Gordon H. True; Margaret Williams | 1973-6-28 | 49414 | Lassen | Elysian Valley, west of Janesville | 1325 | Comment | ||
CAS-BOT-BC26645 | Antennaria pyramidata | Marcus E. Jones | 1897-6-18 | s.n. | Lassen | Chat | 1524 | Comment | ||
JEPS95747 | 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 | ||
JEPS120872 | Apera interrupta | Lowell Ahart, John Dittes, Todd Sloat | 2013-6-8 | 18733 | Lassen | About 30 yards N of the 4 tall poles, Ash Creek State Wildlife Area, about 5.5 air miles NE of Bieber, Big Valley. | Comment | |||
UC1523746 | Apera interrupta | Gary Schoolcraft | 1981-6-8 | 618 | Lassen | s of Beaver Creek | 1249 | Comment | ||
CHSC66370 | Apocynum androsaemifolium | Vernon H. Oswald; Lowell Ahart | 1996-6-17 | 7777 | Lassen | Modoc Plateau. Bizz Johnson Trail accessed at Devils Corral Trailhead located off of Hwy. 36 ca. 7 mi W of Susanville. | 1432 | Comment | ||
UC773901 | Apocynum androsaemifolium | L. R. Short and D. Gish | 1936-8-5 | S- 492 | Lassen | Burgess Spring Experiment Range Lassen Forest, Burgess Spring Experiment Range | 1783 | 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 | ||
SEINET12319576 | Apocynum pumilum | Unknown | 1978-1 | 48 | Lassen | Colman Lake, several mi SE of Eagle L., T31N R11E sec27 | 1963 | Comment | ||
CHSC30594 | Aquilegia formosa | Marc Held | 1972-7-7 | 41 | Lassen | Collected on the roadside above Gallatin Beach. | Comment | |||
CHSC12461 | Aquilegia formosa var. truncata | Robert W. Severin | 1969-6-25 | 15 | Lassen | West side of Murrer's Upper Meadow. 2 mi ESE E.L.B.S. | 1584 | Comment | ||
CHSC12479 | Aquilegia formosa var. truncata | Carol Weld | 1969-6-25 | 25 | Lassen | Murrer's Meadow. | 1524 | Comment | ||
SEINET10480699 | Arabis | Mary Susan Taylor | 1982-5-7 | Taylor 4425 | Lassen | T22N R17E n/nw sec 5. Beckwourth Pass quad. Reno Jct and along old road paralleling Hwy 70, just e of Beck- wourth Pass, ca. 1/4 mi w of Hallelujah Jct on Hwy 395. Sagebrush Scrub; 5000 ft. | 1524 | Comment | ||
SEINET10480742 | Arabis drummondii | Jeffrey Huber | 1971-6-2 | Huber 125 | Lassen | Ca 30 mi n of susanville, on state hwy 139, in basatl. Pinus-artemesia-juniper Association. | 1646 | Comment | ||
NY119565 | Arabis sparsiflora | H. D. D. Ripley | 1944-5-29 | 5948 | Lassen | South of Constantia | 1447.8 | Comment | ||
UC1523810 | Arabis sparsiflora var. sparsiflora | Gary Schoolcraft | 1983-5-24 | 957 | Lassen | w. Doyle (along Doyle Grade Rd.) | 1645 | Comment | ||
NY119619 | Arabis sparsiflora var. subvillosa | R. C. Rollins | 1981-5-31 | 81179 | Lassen | About three miles north of Eagle Lake | Comment | |||
CHSC91321 | Arceuthobium campylopodum | Lowell Ahart; John Dittes | 2005-6-1 | 11894 | Lassen | On the west side of Scott Road, Long Valley, about 4 1/2 miles (air) north of the intersection of Scott Road and Highway 70, 5.9 miles (air) northwest of Hallelujah Junction. | 1465 | Comment | ||
SEINET3239995 | Arceuthobium campylopodum | R. L. Mathiasen | 2010-1 | 1032 | Lassen | 14.4 km W of Susanville on Rte. 36. | 1460 | Comment | ||
CDA6787 | Arctium minus | T. C. Fuller | 1959-7-7 | 4725 | Lassen | Highway 395 at Secret Creek Bridge, 3.3 miles north of road to Karlo. | 0 | Comment | ||
SD64322 | Arctium minus | Darley F. Howe | 1966-8-24 | Lassen | 32 miles northeast of Litchfield on Hwy #395. | 1399 | Comment | |||
SDSU6214 | Arctium minus | D. F. Howe | 1966-8-24 | 4297 | Lassen | 32 miles northeast of Litchfield on #395. | 1402 | Comment | ||
RSA38477 | Arctostaphylos manzanita subsp. manzanita | P. A. Munz | 1947-5-18 | 11865 | Lassen | Fredonyer Forestry Public Camp Ground, west of Susanville. | 1509 | Comment | ||
RSA46474 | Arctostaphylos nevadensis | Doris K. Kildale | 1926-9-11 | 2764 | Lassen | Juniper Lake. | 2055 | Comment | ||
UC21853 | Arctostaphylos nevadensis | M. S. Baker and Frank Nutting | 1894-1 | Lassen | Comment | |||||
HSC67173 | Arctostaphylos patula | J. P. Smith, J. O. Sawyer | 1972-5-6 | 5238 | Lassen | Lassen National Forest, Boundary Campground on Hwy. 89 S of Burney | 1067 | Comment Read comments Apr 29 2013 |
||
NY223210 | Arctostaphylos patula | P. A. Munz | 1947-5-18 | 11865 | Lassen | Fredonyer Forestry Public Camp Ground, west of Susanville. | 1508.8 | Comment | ||
SD43498 | Arctostaphylos patula | Philip A. Munz | 1947-5-18 | 11865 | Lassen | Fredoyner Forestry Public Campground, W of Susanville | 1509 | Comment | ||
CAS-BOT-BC42165 | Arctostaphylos patula subsp. patula | Ida M. Gifford | 1933-12-27 | s.n. | Lassen | Near Susanville | 1310 | Comment | ||
CHSC36457 | Arctostaphylos patula subsp. patula | Susan H. Euing | 1982-6-5 | 11 | Lassen | Base of northeast slope, Gallatin Peak, 1000 ft approx. from summit. | Comment | |||
UC465891 | Arenaria congesta var. subcongesta | Franklin P. Nutting | Lassen | Dixey Valley | Comment | |||||
UC1249269 | Arenaria congesta var. subcongesta | Arthur Cronquist, Arthur H. Holmgren | 1959-6-17 | 8463 | Lassen | 50 m se Susanville | Comment | |||
UC1299621 | Arenaria congesta var. subcongesta | Freed W. Hoffman | 1946-6-8 | 911 | Lassen | Dry Creek, Highway 395 | Comment | |||
UCD95199 | Argemone munita | Verne Grant; Irving Schneider | 1947-9-5 | 8367 | Lassen | northwest shore of Eagle Lake, by Sam Webb's place (Spaulding.) | Comment | |||
JEPS124520 | Argemone munita | Virginia Hardham | 1965-7-12 | 115 | Lassen | 1.9 mi. north of Milford on HW 395 | Comment | |||
CHSC65320 | Argemone munita subsp. rotundata | Vernon H. Oswald; Lowell Ahart | 1995-8-14 | 7204 | Lassen | Modoc Plateau. Horse Lake Rd. (Lassen 536) near the S end of Horse Lake, 15.3 mi W of Hwy. 395, N. of Susanville. | 1566 | Comment | ||
CAS-BOT-BC401792 | Argemone munita subsp. rotundata | Elmer I. Applegate | 1921-9-4 | 3545 | Lassen | Hills north of Susanville | Comment | |||
SEINET10940510 | Argemone platyceras var. hispida | Douglas G. LeDoux, David B. Dunn | 1973-5-24 | LeDoux 864 | Lassen | Collected on raod bank 24 mi n of calif state line of hwy 395. | Comment | |||
RSA0011559 | Arnica | R. F. Thorne, Larry E. DeBuhr | 1975-8-22 | 46993 | Lassen | Along Highway 395 ca. 5 miles north of Madeline and ca. 5.5 miles south of Modoc county line. | 1616 | Comment | ||
CHSC66713 | Arnica chamissonis | Vernon H. Oswald; Lowell Ahart | 1996-8-1 | 8109 | Lassen | Mountain Meadows Reservoir SW of Westwood. | 1539 | 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 | ||
HSC12534 | Arnica chamissonis | M. S. Baker | 28 Jul [year missing] | Lassen | South of Eagle Lake | Comment | ||||
CHSC99739 | Arnica chamissonis subsp. foliosa | 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 | ||
POM203853 | Arnica chamissonis subsp. foliosa | J. T. Howell | 1934-7-8 | 12512 | Lassen | Harvey Valley | Comment | |||
RSA0059627 | 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 | ||
UC726334 | Arnica cordifolia | A. A. Heller | 1938-6-4 | 15146 | Lassen | 1 mi e, on State Highway #36 Fredonyer Pass | 1737 | Comment | ||
CHSC89756 | Arnica mollis | L. P. Janeway | 2004-6-26 | 8166 | Lassen | High Cascade Range. 0.6 km east-southeast of Patterson Flat along Road 33N71; Blacks Mountain Experimental Forest. | 1785 | Comment | ||
UCD129144 | Arnica sororia | G. Schoolcraft | 1994-6-9 | 2298 | Lassen | Ash Valley RNA between Adin and Madeline, CA. | 1600 | Comment | ||
RSA78915 | Artemisia arbuscula subsp. arbuscula | E. K. Balls, Percy C. Everett | 1952-10-10 | 18142 | Lassen | 8 mi. SE of Ravendale, Hwy 395, between Susanville and Alturas. | 1280 | Comment | ||
UC217036 | Artemisia arbuscula subsp. arbuscula | H. M. Hall | 1921-9-10 | 11674 | Lassen | eastern Lassen County | Comment | |||
UCD129263 | Artemisia biennis | Malcolm A. Nobs; Galen Smith | 1949-8-20 | 1482 | Lassen | Long Creek, 1 mile north of Doyle, Honey Lake Valley. | Comment | |||
UC1037293 | Artemisia douglasiana | Leo Whitney | 1934-9-5 | 1664 | Lassen | dry wash near Fredonyer Pass; Lassen National Forest | 1584 | Comment | ||
CHSC42149 | Artemisia ludoviciana | C. E. Laver | 1985-7-15 | Lassen | Ca. 7.8 mi E of Madeline and 4 mi N of Spooner Reservoir. | 1584 | Comment | |||
JEPS37008 | Artemisia ludoviciana subsp. incompta | W. L. Jepson | 1918-8-4 | 7809 | Lassen | Horse Lake | 1554 | Comment | ||
CAS-BOT-BC90766 | Artemisia ludoviciana subsp. ludoviciana | G. H. True | 1937-7-10 | 783 | Lassen | Bull Flat (n. of Honey Lake) | Comment | |||
UCD129329 | Artemisia ludoviciana subsp. ludoviciana | K. M. Meyer; A. Townesmith | 2007-7-19 | 134 | Lassen | Lassen National Forest. Ca. 0.2 mile on 29N03, off Hwy 36 on pullout just past a dry creek. | 1459 | Comment | ||
RSA719608 | Artemisia nova | A. Tiehm, Gary Schoolcraft | 2003-9-11 | 14368 | Lassen | 2.9 miles north of Karlo Road on highway 395 from Litchfield to Alturas, just east of highway | 1402 | 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 | ||
UCD129340 | Artemisia nova | W. A. Williams | 1951-8-6 | s.n. | Lassen | Black's Mountain Range Experiement Station, (old Hell's Flat Ranger Station site). 25 miles south of Pittville. | 1584 | Comment | ||
UCD55270 | Artemisia spinescens | Ellen Dean | 2006-5-15 | 3080 | 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. Northern part of Johnston property near sandy wash. | 1249 | Comment | ||
UC29711 | Artemisia tridentata | J. Burtt Davy | Jun 17 1897-Jun 24 1897 | 3343 | Lassen | Honey Lake Valley | Comment | |||
UCR67441 | Artemisia tridentata | George K. Helmkamp | 1990-9-23 | D- 7 | Lassen | 20 mi north of Litchfield along US Hwy 395 | 1437 | Comment | ||
CAS-BOT-BC97327 | Artemisia tridentata subsp. tridentata | R. K. Gierisch; D. H. Esplin | 1969-8-27 | 3599 | Lassen | Lassen National Forest | 1706 | Comment | ||
CHSC66846 | Artemisia tridentata subsp. tridentata | Vernon H. Oswald | 1996-10-3 | 8294 | Lassen | Modoc Plateau. Hwy. 395 N of Susanville between Litchfield and Ravendale, 10.4 mi N of Smoke Creek Ranch Rd. | 1402 | Comment | ||
UC1136978 | Artemisia tridentata subsp. tridentata | George A. Fisher and Irwin H. Johnson | 1933-9-8 | F 282 | Lassen | Patterson Flat Lassen National Forest, Patterson Flat | 1706 | Comment | ||
CHSC77188 | Artemisia tridentata subsp. vaseyana | G. Schoolcraft | 1994-9-13 | 2431 | Lassen | Just above gate along road to Fredonyer Pk. lookout. | 2255 | Comment | ||
UC1035970 | Asclepias cordifolia | Helen K. Sharsmith | 1955-6-27 | 4514 | Lassen | near Fall River Mills (in forest adjacent to State Highway 299); Lassen National Forest | 1219 | Comment | ||
SEINET178457 | Asclepias fascicularis | Unknown | 1897-6-25 | Lassen | Susanville | 1341 | Comment | |||
RSA401104 | Asclepias speciosa | George Willet | 1935-6-27 | s.n. | Lassen | Susanville | Comment | |||
POM39868 | Aster campestris | Marcus E. Jones | 1897-6-26 | s.n. | Lassen | Susanville, Perkin's Ranch. | 1463 | 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 | ||
UCR73170 | Astragalus | G. L. Webster | 1989-5-13 | 7721 | Lassen | 2.5 mi. east of Beckworth Pass | 1500 | Comment | ||
UCR73175 | Astragalus | G. L. Webster | 1989-5-13 | 7710 | Lassen | 2.5 mi. east of Beckworth Pass | 1500 | Comment | ||
RSA0027352 | Astragalus | John F. Emmel | 1994-7-17 | 1327 | Lassen | Summit area of Observation Peak. | 2378 | Comment | ||
CAS-BOT-BC177435 | Astragalus andersonii | Margaret Williams | 1974-8-4 | 74 -L-83 | Lassen | Near Hallelujah Junction, west of Hwy 395 and south of Hwy 70 | 1493 | Comment | ||
CAS-BOT-BC177437 | Astragalus andersonii | John Thomas Howell | 1934-6-10 | 11846 | Lassen | 4 miles south of Omira | Comment | |||
CHSC77208 | Astragalus andersonii | G. Schoolcraft | 1996-5-13 | 2520 | Lassen | Fort Sage OHV area 3 miles ne of Doyle. | 1402 | Comment | ||
JEPS107970 | 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 | ||
NY791370 | Astragalus andersonii | A. J. Cronquist | 1959-6-16 | 8453 | Lassen | 25 miles northwest of Reno | Comment | |||
NY791375 | Astragalus andersonii | W. W. Eggleston | 1911-5-29 | 6730 | Lassen | Vicinity of Doyle Station | 1290 | Comment | ||
POM45143 | Astragalus andersonii | Marcus E. Jones | 1897-6-19 | s.n. | Lassen | Chat. | 1524 | Comment | ||
CAS-BOT-BC177436 | Astragalus andersonii | John Thomas Howell | 1962-6-19 | 37890 | Lassen | 3 miles south of Hallelujah Junction | 1524 | Comment | ||
CAS-BOT-BC27614 | Astragalus anxius | Robert J. Meinke; Kaye | 1991-7-16 | 6108 | Lassen | Ash Valley, ca. 25 km W of Madeline, along Ash Valley Rd. | 1550 | Comment | ||
HSC42428 | Astragalus anxius | Barbara Kelly | 1977-8-9 | 558 | Lassen | 16 1/4 mi. E of Madeline on the dirt road from Adin | Comment | |||
SEINET8358141 | Astragalus anxius | Unknown | 1991-7-16 | 6108 | Lassen | Ash Valley ca 25 km W of Madeline, along Ash Valley Rd. | 1550 | Comment | ||
CAS-BOT-BC178765 | Astragalus canadensis var. brevidens | G. Schoolcraft | 1988-7-7 | 1821 | Lassen | Madeline Plains N. of Observation Pk. & Horne Ranch Rd. | 1645 | Comment | ||
CAS-BOT-BC178767 | Astragalus canadensis var. brevidens | Leo Whitney | 1934-7-4 | 2073 | Lassen | Sand dunes near north shore of Eagle Lake, Lassen N.E. | 158 | Comment | ||
CAS-BOT-BC178763 | Astragalus canadensis var. brevidens | John Thomas Howell | 1977-8-11 | 52718 | Lassen | EAst of Beckwourth Pass, near Halleluja Junction - Sierra Nevada | 1554 | Comment | ||
CAS-BOT-BC178766 | Astragalus canadensis var. brevidens | G. Schoolcraft | 1999-6-29 | 2845 | Lassen | Along road to Buckhorn Res. east of Madeline Plains. | 1712 | 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 | ||
UCD53891 | Astragalus canadensis var. brevidens | A. M. Shapiro | 2005-6-10 | s.n. | Lassen | 1 mi. SE Beckwourth Pass. | 1524 | Comment | ||
CDA26649 | Astragalus curvicarpus | T. C. Fuller | 1965-6-3 | 13607 | Lassen | 1.3 miles west-northwest of Janesville. | 0 | Comment | ||
NY803536 | Astragalus curvicarpus var. curvicarpus | P. Gallian | 1971-6-2 | 509 | Lassen | 6 miles north of Hallelujah Jct. on U.S. Highway 395 | 1402 | Comment | ||
SEINET5325006 | Astragalus curvicarpus var. curvicarpus | G. Schoolcraft | 1993-6-10 | 2286 | Lassen | Along US Highway 395 near road to Clark Ranch. | 1280 | 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 | ||
HSC100805 | Astragalus filipes | Lowell Ahart, John Dittes | 2010-7-31 | 16976 | Lassen | 100 yd. NE of where the road crosses Hunsinger Draw, 1.9 (air) mi. NW of Moll Reservoir, 2.8 (air) mi. W of Ash Valley, and 8.4 (air) mi. SE of Adin. | 1521 | Comment | ||
NY658484 | Astragalus filipes | T. W. Nelson | 1980-7-6 | 6001 | Lassen | Likely Quad. Along Adin-Madelin Rd. (Ash Valley road), 16 miles East of Adin in Ash Valley | 1554.5 | Comment | ||
CHSC116921 | Astragalus geyeri | J. P. Bergmann | 2011-4-30 | Lassen | Fort Sage OHV Recreation Area. | 1450 | Comment | |||
CHSC63395 | Astragalus gibbsii | V. H. Oswald; G. Schoolcraft, M. Dolan, B. Corbin | 1994-6-26 | 6355 | Lassen | Ash Valley between Adin and Madeline, ca. 0.5 mi along the road leading SE from the right-angle turn on Lassen 527 near the gravel pit. | 1554 | Comment | ||
NY674271 | Astragalus gibbsii | P. A. Munz | 1947-5-20 | 11889 | Lassen | Milford | 1265 | Comment | ||
CAS-BOT-BC186913 | Astragalus inversus | H. D. Ripley; R. C. Barneby | 1943-6-14 | 5749 | Lassen | W. of Susanville | 1310 | Comment | ||
CAS-BOT-BC186915 | Astragalus inversus | Marcus E. Jones | 1897-6-25 | s.n. | Lassen | Susanville | 1341 | Comment | ||
CAS-BOT-BC186916 | Astragalus inversus | Marcus E. Jones | 1897-6-25 | s.n. | Lassen | Susanville | 1341 | Comment | ||
UC83864 | Astragalus inversus | T. S. Brandegee | 1892-7-1 | Lassen | Susanville | 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-BC229045 | Astragalus lemmonii | Marcus E. Jones | 1897-6-19 | s.n. | Lassen | Chat | 1615 | Comment | ||
CAS-BOT-BC229047 | Astragalus lemmonii | Marcus E. Jones | 1897-6-19 | s.n. | Lassen | Chat | 1615 | Comment | ||
POM45395 | Astragalus lemmonii | Marcus E. Jones | 1897-6-19 | s.n. | Lassen | Chat. | 1524 | Comment | ||
UCD35735 | Astragalus lentiginosus | Beecher Crampton | 1960-6-20 | 5738 | Lassen | Harvey Valley, 6 miles north of Bogard Ranger Station. | 1676 | Comment | ||
CAS-BOT-BC187156 | Astragalus lentiginosus var. chartaceus | John Thomas Howell | 1934-7-6 | 12437 | Lassen | Harvey Valley | Comment | |||
JEPS118159 | Astragalus lentiginosus var. floribundus | Dean W. Taylor | 2009-5-20 | 20605 | Lassen | Widow Valley; Big Valley Mountains, logging road ca. 1 air mi NW of Brown Cabin (USGS map, site) | 1478 | Comment | ||
CHSC7665 | Astragalus lentiginosus var. platyphyllidius | Beverley J. Wise | 1969-5-23 | 54 | Lassen | 34.5 mi. S.E. of Susanville on Las. Co. Rd. 320. | 1249 | Comment | ||
CHSC99125 | Astragalus lentiginosus var. salinus | Lowell Ahart; John Dittes | 2008-6-19 | 14898 | 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 | ||
UC13411 | Astragalus malacus | Mrs. C. C. Bruce | June 1898 | 2214 | Lassen | Madaline Plains Madaline Plains (Lassen Co. and Modoc) | Comment | |||
UC13459 | Astragalus obscurus | M. S. Baker and Frank Nutting | 1894-7-2 | Lassen | Dixey Mts. | Comment | ||||
UC570045 | Astragalus pulsiferae | E. Sawyer | 1935-6-27 | 237 | Lassen | Long Valley Sierraville Quad., Long Valley | 1310 | Comment | ||
CHSC98311 | Astragalus pulsiferae var. pulsiferae | R. Ondricek-Fallscheer | 1999-7-2 | 196 | Lassen | About 3/4 air mi SW of Hallelujah Junction (the junction of Hwy 70 and Hwy 395). | 1499 | Comment | ||
CHSC25301 | Astragalus purshii | Pauleen Broyles | 1977-5-30 | 144 | Lassen | Spencer's Basin ca 8 km n of Herlong. | 1770 | Comment | ||
HSC82244 | Astragalus purshii var. lectulus | Thomas W. Nelson, Jane P. Nelson | 1980-7-6 | 5989 | Lassen | Along Adin-Madelin Rd., 16 mi. E of Adin in Ash Valley | 1555 | Comment | ||
RSA0007957 | Astragalus purshii var. lectulus | H. D. Ripley, R. C. Barneby | 1944-5-30 | 5983 | Lassen | 2 miles N of Madeline. | 1707 | Comment | ||
CAS-BOT-BC194088 | Astragalus purshii var. purshii | Marcus E. Jones | 1897-6-28 | s.n. | Lassen | Perkin's Ranch, top of Diamond Mt., Susanville | 2225 | Comment | ||
CAS-BOT-BC194099 | Astragalus purshii var. purshii | John Thomas Howell | 1934-6-10 | 11876 | Lassen | Janesville | Comment | |||
JEPS108699 | Astragalus purshii var. purshii | H. Chappel, K. Moran, K. Strassman | 2002-6-27 | ALT- 13 | Lassen | Pit River Valley / Beaver Creek | 1258 | Comment | ||
CAS-BOT-BC194089 | Astragalus purshii var. purshii | C. R. Quick | 1964-7-28 | 64 -84 | Lassen | Edge of Halls Flat , Black's Mt. Experimental Forest | Comment | |||
RSA110893 | Astragalus purshii var. purshii | H. D. Ripley, R. C. Barneby, F. C. Ripley Jr. | 1943-6-14 | 5741 | Lassen | West of Susanville. | 1311 | Comment | ||
UC1299224 | Astragalus purshii var. tinctus | Freed W. Hoffman | 1946-6-8 | 913 | Lassen | Highway 395 Dry Creek (Dry Creek) | Comment | |||
UC100818 | Astragalus whitneyi | Milo S. Baker | Lassen | Dixey Mts. | Comment | |||||
UC13372 | Astragalus whitneyi | M. S. Baker and F. Nutting | 1894-7-3 | Lassen | s side Dixey Mts. | Comment | ||||
JEPS94456 | Astragalus whitneyi var. confusus | Vernon Oswald and Lowell Ahart | 1997-6-24 | 8634 | 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 | ||
CAS-BOT-BC199136 | Astragalus whitneyi var. siskiyouensis | Duane Isely; Isabelle Isely | 1971-7-11 | 11378 | Lassen | Near apex of ascent south of Eagle Lake, near state #139 | 1676 | Comment | ||
SEINET3025881 | Astragalus whitneyi var. sonneanus | Marcus E. Jones | 1897-6-28 | Lassen | Top of Diamond Peak, Susanville, Perkins Ranch. | Comment | ||||
CHSC72311 | Astragalus whitneyi var. whitneyi | L. P. Janeway; Glenn Clifton | 1998-7-8 | 5722 | Lassen | Ridgetop saddle about 2.4 mi northwest of Red Rock; along Road 213, 0.1 mi east of the junction of Roads 28N08, 29N10, 213, and 28N55. | 1988 | Comment | ||
CHSC107993 | Athysanus pusillus | Lowell Ahart; John Dittes | 2011-6-20 | 17491 | Lassen | About 40 yards east of the stream, about 70 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 | ||
CHSC76274 | Atriplex triangularis | Lowell Ahart; Vernon Oswald | 1999-9-13 | 8209 | Lassen | On the edge of a flooded field just south 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 | ||
JEPS117922 | Atriplex truncata | L. P. Janeway | 2008-8-2 | 9528 | Lassen | just above the flats along the south side of Rush Creek Modoc Plateau (south side fo Smokey Creek Ranch Road 1.8 km west of the CA-NV line.) | 1349 | Comment | ||
CDA10419 | Balsamorhiza hirsuta | T. C. Fuller | 1963-6-11 | 10663 | Lassen | West side of Highway 395 at road to Horse Lake, 1.5 miles south of Ravendale. | 0 | Comment | ||
CHSC7646 | Balsamorhiza hookeri | Beverly J. Wise | 1969-4-17 | 14 | Lassen | 1 mi north on Hwy 139. | 1341 | Comment | ||
JEPS1758 | Balsamorhiza hookeri | Milo S. Baker | 1952-5-23 | 12432 | Lassen | 1/2 mi w of, along Hwy. 36 Fredonyer Pass | 1752 | Comment | ||
JEPS30490 | Balsamorhiza hookeri | Peter H. Raven and Otto T. Solbrig | 1958-6-17 | 13292 | Lassen | o.4 mi s, along U.S. Highway 395 Ravendale | Comment | |||
JEPS94113 | Balsamorhiza hookeri | Vernon H. Oswald and Lowell Ahart | 1998-5-22 | 90889 | Lassen | Hwy. 36 between Fredonyer Summit and Susanville (0.4 mi. w. of the Susan R. & Bizz Johnston Trail) | 1417 | Comment | ||
CAS-BOT-BC106492 | Balsamorhiza hookeri | Mrs. H. C. Cantelow | 1941-5-22 | s.n. | Lassen | Fredonyer Pass, 13 1/2 mi. w. of Susanville State Hwy #36 | Comment | |||
SEINET10859166 | Balsamorhiza hookeri | David B. Dunn, Billy Joe Cox | 1971-6-2 | Dunn 17769 | Lassen | Approx. 12 mi. S of Adin on CA Hwy. 139, in basalt & clay; along edge of road on rolling knoll, in Artemisia-Juniper assoc. | 1372 | Comment | ||
CHSC31967 | Balsamorhiza sagittata | Wayne O. Baum | 1971-6-21 | 71 -30 | Lassen | S. slope of Gallatin Peak. | 2042 | Comment | ||
CDA43005 | Barbarea orthoceras | L. Ahart, John Dittes | 2008-6-2 | 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. | Comment Read comments Oct 5 2019 |
|||
CHSC5234 | Barbarea orthoceras | A. Santos | 1946-6-12 | Lassen | Eagle Lake. Pine Creek. | 1584 | Comment | |||
CHSC63703 | Bassia hyssopifolia | Vernon H. Oswald | 1994-9-6 | 6469 | Lassen | Willow Creek Wildlife Area on Hwy. 139, ca. 10 mi (air) N of Susanville. Common in the parking lot and along the levee road on the N side of the creek. | 1490 | 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 | |||
UCD56795 | Beckmannia syzigachne | R. Tofsrud | 1947-7-1 | 247 | Lassen | Between Bieber and Nubieber. | Comment | |||
CAS-BOT-BC76025 | Berberis repens | Parkison | 1916-6-17 | 13 | Lassen | Lassen Forest. North slope Crater Mountain. | 1706 | Comment | ||
CDA20580 | Berteroa incana | C. Battis | 2005-8-2 | s.n. | Lassen | Modoc Plateau; Anderson Ranch (southern Lassen County). | 1478 | Comment Read comments Aug 25 2008 |
||
SEINET3100770 | Berteroa incana | Arnold 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. | 1490 | Comment | ||
UCR182884 | Berteroa incana | D. Mcdonald | 2005-7-18 | PDR 1307852 | Lassen | Modoc Plateau, Hallelujah Junction | Comment | |||
HSC95177 | Bidens cernua | Gordon Leppig, Juli Neander, Kai Neander | 1997-7-25 | 678 | Lassen | Modoc National Forest, Blue Lake Ranch | 1970 | Comment | ||
CAS-BOT-BC413000 | Bistorta bistortoides | A. M. Vollmer; L. Beane | 1953-7-1 | 65 | Lassen | Along Halls Flat road, beginning 6 miles west of Susanville to McArthur | 1554 | Comment | ||
CAS-BOT-BC128033 | Blepharipappus scaber | Clare B. Hardham | 1961-6-16 | 7451 | Lassen | Gold Run Creek south of Susanville | Comment | |||
CAS-BOT-BC128048 | Blepharipappus scaber | A. M. Vollmer; L. Beane | 1953-7-1 | 99 | Lassen | Along Halls Flat road, beginning 6 miles west of Susanville to McArthur | 1554 | Comment | ||
JEPS108588 | Blepharipappus scaber | L. P. Janeway | 2005-7-4 | 8462 | Lassen | High Cascade Range. Ridge top north above Long Valley; 0.4 km west of Road 34N41 | 1752 | Comment | ||
POM31775 | Blepharipappus scaber | Marcus E. Jones | 1897-6-24 | s.n. | Lassen | 10 to 15 miles west from Amedee. | 1219 | Comment | ||
UC1302428 | Blepharipappus scaber | Clare B. Hardham | 1961-6-16 | 7451 | Lassen | s of Susanville (Gold Run Creek, Sierra Nevada Mountains); Sierra Nevada Mountains, Gold Run Creek | 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 | ||
UC604683 | Blepharipappus scaber | Farris Farris | 1935-5-20 | Lassen | Susanville | 1341 | Comment | |||
CAS-BOT-BC127952 | Blepharipappus scaber | Donald Myrick | 1968-6-19 | 1958 | Lassen | On roadside along Highway #395, 23 miles south of Alturas. | 1524 | Comment | ||
CAS-BOT-BC128035 | Blepharipappus scaber | Margaret Williams | 1974-8-4 | 74 - L. - 73 | Lassen | Burned area near Hallelujah Junction, west of Hwy 395 and south of Hwy 70 | 1493 | Comment | ||
CAS-BOT-BC128036 | Blepharipappus scaber | Lemmon | April 18 188 | s.n. | Lassen | Madaline plains | Comment | |||
CAS-BOT-BC128049 | Blepharipappus scaber | D. Toren; B. Trowbridge | 1975-6-20 | 5255 a | Lassen | Roadside, Jess Valley to Blue Lake Campground | 1676 | Comment | ||
HSC42530 | Blepharipappus scaber | Barbara Kelly | 1977-8-9 | 566 | Lassen | 14.3 mi. E of Madeline on the dirt road from Adin | Comment | |||
UC1537354 | Blepharipappus scaber | Gordon H. True Jr. | 1937-7-10 | 790 | Lassen | mesa n Skeedaddle Creek; Hot Spring Mountain | 1493 | Comment | ||
UC1609118 | Boechera | Vernon H. Oswald and Lowell Ahart | 1993-6-14 | 5546 | Lassen | ca 2.0 mi ene Spaulding Tract Rd. (Rd. 518, 33N89) (Eagle Lake Rd (Lassen A1) at Sandy Beach on w shore of Eagle Lake, n side of rd); Eagle Lake | 1566 | Comment | ||
UC1924569 | Boechera | Debra Valov | 2006-5-30 | 2006041 | Lassen | Bieber off County Rd A2 c. 12 km east of Hwy 299 | 1285 | 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 | ||
CHSC13946 | Boechera pinetorum | M. S. Taylor | 1974-7-12 | 313 | Lassen | Above road bank by Clear Lake in Lassen National Forest. | Comment | |||
CHSC99134 | Boechera puberula | Lowell Ahart; John Dittes | 2008-6-19 | 14883 | 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 | ||
JEPS100335 | Boechera puberula | Dean W. Taylor | 2001-7-19 | 17841 | Lassen | Diamond Mountains, ridgecrest ca. 1 air mile South of Doyle Grade | 2072 | Comment | ||
CAS-BOT-BC25512 | Boechera retrofracta | John Thomas Howell; Gordon H. True | 1973-7-31 | 50039 | Lassen | Sierra Nevada. Diamond Range on road from Janesville to Thompson Peak. | 1737 | Comment | ||
JEPS95056 | Boechera retrofracta | Vernon H. Oswald and Lowell Ahart | 1997-5-27 | 8495 | Lassen | North of Susanville on Forest Route 38N04 (between Highway 139 near Willow Creek Guard Station and Coyote Flat), 0.1 mi east of Highway 139. | 1546 | Comment | ||
UC1126590 | Boechera retrofracta | A. Simontacchi | 1940-5-13 | 699 | Lassen | 7.5 mi wsw Cone Ranch Hdq.; Lassen National Forest, Halls Flat Quad. | 1920 | Comment | ||
CAS-BOT-BC25507 | Boechera retrofracta | Doris Kildale Gillespie | 1930-5-14 | 9383 | Lassen | 5 miles west of Susanville. | Comment | |||
CHSC99127 | Boechera sparsiflora | Lowell Ahart; John Dittes | 2008-6-19 | 14885 | 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 | ||
JEPS88209 | Boechera sparsiflora | Vernon H. Oswald and Lowell Ahart | 1996-6-17 | 7774 | Lassen | ca. 7 mi. w. Susanville (Bizz Johnson Trail accessed at Devils Corral Trailhead located off of Hwy. 36, slope at the bridge spanning the Susan R. on n. side of Hwy 36); Modoc Plateau, Bizz Johnson Trail | 1432 | Comment | ||
JEPS94610 | Boechera sparsiflora | Vernon H. Oswald and Lowell Ahart | 1997-5-27 | 8512 | Lassen | on Forest Route 38N04 1.4 mi e Hwy. 139 ((between Hwy 139 near Willow Springs Guard Station and Coyote Flat), n of Susanville) | 1645 | Comment | ||
CAS-BOT-BC25707 | Boechera sparsiflora | H. D. Ripley; R. C. Barneby | 1943-6-13 | 5702 | Lassen | South of Gifford. | 1569 | Comment | ||
OBI48088 | Boechera sparsiflora | Rhonda Riggins | 1989-4-27 | 1649 | Lassen | US 395, 1.1 mi N Madeline, 8.8 mi S Modoc Co. line | 1676 | Comment | ||
CHSC76305 | Bolboschoenus maritimus subsp. paludosus | Lowell Ahart; Vernon H. Oswald | 1999-9-13 | 8221 | Lassen | On the edge of a flooded field, just south 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 | ||
CAS-BOT-BC149496 | Bromus briziformis | John Thomas Howell | 1977-6-22 | 52398 | Lassen | Northeast of Susanville on road to Eagle Lake. | Comment | |||
CHSC30560 | Bromus briziformis | Sori H. Shad | 1970-7-1 | 10 | Lassen | 4 miles N.E. of Hiway 139. | 1524 | Comment Read comments Jun 19 2008 |
||
UC506924 | Bromus carinatus var. carinatus | George A. Fischer, Irwin H. Johnson | 1933-7-14 | F 251 | Lassen | Lassen National Forest | 1767 | Comment | ||
UC773968 | 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 | ||
CHSC66419 | Bromus commutatus | Vernon H. Oswald; Lowell Ahart | 1996-6-17 | 7788 | Lassen | Modoc Plateau. Bizz Johnson Trail accessed at Devils Corral Trailhead located off of Hwy. 36 ca. 7 mi W of Susanville. On the edge of the trail at the Hwy. 36 bridge spanning the Susan River. | 1402 | Comment | ||
UC70688 | Bromus inermis subsp. inermis | J. Burtt Davy | Jun 17 1897-Jun 24 1897 | Lassen | Honey Lake Valley | Comment | ||||
CHSC64901 | Bromus japonicus | Vernon H. Oswald; Lowell Ahart | 1995-6-19 | 6874 | Lassen | Modoc Plateau. Between Litchfield and Ravendale on Smoke Creek Ranch Rd., 0.3 mi e of Hwy. 395. | 1383 | Comment | ||
JEPS124392 | Bromus japonicus | Lowell Ahart, John Dittes | 2015-7-13 | 20310 | Lassen | Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. | Comment | |||
SEINET11261383 | 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 | ||
UCD58874 | Bromus japonicus | Beecher Crampton | 1954-7-6 | 2067 | Lassen | Along U. S. Hwy. 395. 15 miles south of Ravendale. | 1676 | Comment | ||
SEINET10717734 | Bromus japonicus | Vernon H. Oswald, Lowell Ahart | 1999-6-9 | Oswald 9750 | Lassen | T31N R15E SE 1/4 Sect. 18. Northeast of Susanville on County Rd. 216 at Biscar Wildlife Management Area. | Comment | |||
UC1037125 | Bromus marginatus | Leo Whitney | 1935-6-19 | 3262 a | Lassen | near Camp 10 (Lassen National Forest, Fruit Grower's Supply Company); Lassen National Forest, Fruit Grower's Supply Company | Comment | |||
UC53747 | Bromus secalinus | J. Burtt Davy | Jun 17 1897-Jun 24 1897 | Lassen | Honey Lake Valley | Comment | ||||
HSC22362 | Bromus sterilis | D. E. Anderson | 1969-7-5 | 4998 | Lassen | Freedonyer Pass, 15 mi. W of Susanville | 1752 | Comment | ||
CHSC44553 | Bromus tectorum | Lowell Ahart; John Thomas Howell | 1974-7-9 | 520 | Lassen | Along the edge of Eagle Lake Road, about 5 miles north-west of Susanville. | 1584 | Comment | ||
HSC9348 | Bromus tectorum | C. S. Chavez | 1965-5-1 | 60 | Lassen | 20 mi. N of Susanville on Hwy. 395. | 1220 | Comment | ||
RSA126866 | Bromus tectorum | L. R. Short, J. Warren | 1936-6-9 | S- 409 | Lassen | Burgess Spr. Exp. Range; Lassen Forest. | 1860 | Comment | ||
RSA715626 | Bromus tectorum | L. Ahart, John Dittes | 2005-6-1 | 11909 | 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. | Comment | |||
UCD59756 | Bromus tectorum | August L. Hormay | 1932-5-20 | s.n. | Lassen | Lassen National Forest. Hat Creek. | Comment | |||
SEINET10515052 | Bromus tectorum | Paul Gallian, David B. Dunn | 1971-6-2 | Gallian 522 | 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 | ||
CHSC99528 | Calandrinia ciliata | Lowell Ahart; John Dittes | 2008-6-22 | 15030 | 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 | ||
CAS-BOT-BC438314 | Calandrinia ciliata | T. L. Secrest | 1961-6-8 | s.n. | Lassen | Edge of McCoy Flat Reservoir, ca. 14 mi. n. of Westwood | Comment | |||
CHSC68744 | Callitriche hermaphroditica | Vernon H. Oswald; Lowell Ahart | 1997-5-27 | 8514 | 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 | ||
CHSC12475 | Calocedrus decurrens | Carol Weld | 1969-6-20 | 12 | Lassen | Forest Service number 516.2. | 1676 | Comment | ||
CHSC27601 | Calocedrus decurrens | George Deniso | 1978-7-24 | 99 | Lassen | Roadside between Gallatin Peak and Miners Bay, SE side of Eagle L. | 1597 | Comment | ||
SEINET10531060 | Calocedrus decurrens | Katherine L. Morris | 1973-5-25 | Morris 226 | Lassen | Collected in an area of sugar pine, Libocedrus, and yellow pine. 2.5 mi N of Jct 36 & Hwy 44. | Comment | |||
CHSC4778 | Calochortus leichtlinii | R. Carter | 1967-6-27 | 552 | Lassen | Ca. 10 yds. Off N side of Rd., 1.75 mi W of Eagle Lake Biology Station. | 1584 | Comment | ||
SBBG15290 | Calochortus leichtlinii | H. and M. Dearing | 1938-7-1 | 2237 | Lassen | top of pass W of Susanville | 1762 | Comment | ||
UC843660 | Calochortus leichtlinii | A. A. Heller | 1938-6-23 | 15200 | Lassen | e of Fredonyer Pass | Comment | |||
JEPS124668 | Calochortus leichtlinii | Laurel Loeblich | 1964-6-30 | 59 | Lassen | Highway 139 8.7 miles north of Susanville. | Comment | |||
POM109600 | Calochortus macrocarpus | Marcus E. Jones | 1897-7-1 | s.n. | Lassen | Susanville at Perkins Ranch | 1524 | Comment | ||
HSC63946 | Calyptridium monospermum | Teresa Prendusi | 1980-7-14 | Lassen | Ash Valley, about 15 mi. W of Madeline along Ash Valley Rd. | 1524 | Comment | |||
CHSC64890 | Calyptridium umbellatum | Vernon H. Oswald | 1995-6-26 | 6938 | Lassen | Modoc Plateau. Gravel pit on the e side of Ash Valley Rd. (Lassen 527) 0.2 mi n of Spooner Rd. in Ash Valley. | 1542 | Comment | ||
SEINET196249 | Calyptridium umbellatum | F. Farris | 1936-6-15 | Lassen | Eagle Lake Rd | 1676 | Comment | |||
UCD39132 | Calyptridium umbellatum | Beecher Crampton | 1964-6-25 | 7074 | Lassen | 25 miles n.w. Susanville State Hwy. 44, Bogard Ranger Station, Lassen National Forest. | 1722 | Comment | ||
UC1123631 | Calystegia occidentalis subsp. occidentalis | A. Simontacchi | 1940-6-30 | 901 | Lassen | 2.6 mi s Ladder Butte; Halls Flat, Lassen National Forest, Ladder Butte | Comment | |||
SD61074 | Calystegia occidentalis subsp. occidentalis | Darley F. Howe | 1964-8-1 | 3915 | Lassen | Parsnip Creek, Modoc National Forest, Warner Mountains. | 1830 | Comment | ||
SEINET230279 | Calystegia polymorpha | Noel H. Holmgren, Patricia K. Holmgren | 1980-7-9 | 9581 | Lassen | Surprise Valley 23.7 km south of Fort Bidwell | 1400 | Comment | ||
CHSC7660 | Camassia quamash | Beverly J. Wise | 1969-5-18 | 142 | Lassen | Gallatin Creek, 1/4 to 1/2 mi. upstream (south) from Eagle Lake. | 1554 | Comment | ||
CHSC99737 | Camassia quamash subsp. breviflora | Lowell Ahart; John Dittes | 2008-6-20 | 14905 | 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 7.0 miles (air) northeast of Bieber. | 1263 | Comment | ||
UC726042 | Camassia quamash subsp. breviflora | A. A. Heller | 1938-6-4 | 15140 | Lassen | 2 mi e of Westwood | 1493 | Comment | ||
CAS-BOT-BC497551 | Camassia quamash subsp. breviflora | Elmer I. Applegate | 1934-5-4 | 8936 | Lassen | Elysian Valley northwest of Janesville | 1325 | Comment | ||
CHSC66238 | Camelina microcarpa | Vernon H. Oswald; Lowell Ahart | 1996-6-24 | 7881 | Lassen | Modoc Plateau. Papoose Meadows located ca. 0.5 mi E of Eagle Lake Rd. (A1) and 2.5 mi S of Eagle Lake. At the NE corner of the meadow (ca. 0.1 mi E of where Papoose Creek leaves the N end of the meadow). | 1636 | Comment | ||
SEINET10480825 | Camelina microcarpa | David B. Dunn, Billy Joe Cox | 1971-6-2 | Dunn 17759 | Lassen | Approx 12 mi s of adin on state hwy 139, in basalt and clay; along edge of rd on rolling knoll, in artemisia-juniper assoc. | 1372 | Comment | ||
RSA38438 | Camissonia boothii subsp. alyssoides | P. A. Munz | 1947-5-19 | 11869 | Lassen | 19 miles south of Ravendale, on Hwy 395. | 1341 | Comment | ||
HSC63958 | Camissonia claviformis subsp. cruciformis | Teresa Prendusi | 1980-5-6 | Lassen | Honey Lake area | Comment | ||||
POM38767 | Camissonia parvula | Marcus E. Jones | 1897-6-22 | s.n. | Lassen | 10 miles south of Amedee. [Lassen or Plumas Co.] | 1220 | Comment | ||
RSA74347 | Camissonia subacaulis | Milo S. Baker | 1952-5-23 | 12418 | Lassen | Wet Spot, E of Chester, Hwy 36. | Comment | |||
CAS-BOT-BC160833 | Camissonia tanacetifolia subsp. quadriperforata | James Jokerst | 1983-5-31 | 1787 | Lassen | Near Madeline Plains | 1583 | Comment | ||
CAS-BOT-BC160835 | Camissonia tanacetifolia subsp. quadriperforata | John Thomas Howell | 1934-6-10 | 11857 | Lassen | 3 miles n. of Omira | Comment | |||
POM204165 | Camissonia tanacetifolia subsp. tanacetifolia | J. T. Howell | 1934-7-8 | 12505 | Lassen | Spalding s, Eagle Lake. | Comment | |||
CAS-BOT-BC160865 | Camissonia tanacetifolia subsp. tanacetifolia | Peter H. Raven | 1963-5-29 | 18426 | Lassen | Along U. S. Highway 395, 0.9 miles north of Ravendale | Comment | |||
CAS-BOT-BC160866 | Camissonia tanacetifolia subsp. tanacetifolia | A. R. Kruckeberg | 1954-6-22 | 3322 | Lassen | Along roadbanks, 6 miles s. of Likely on Highway 395 | Comment | |||
CAS-BOT-BC160867 | Camissonia tanacetifolia subsp. tanacetifolia | Ira L. Wiggins; Dorothy B. Wiggins | 1961-6-11 | 16364 | Lassen | Roadside along California Highway 139, about 1 mile N of Grasshopper Valley | Comment | |||
CAS-BOT-BC160870 | Camissonia tanacetifolia subsp. tanacetifolia | Peter H. Raven | 1963-5-29 | 18423 | Lassen | U. S. Highway 395, 11.1 miles north of Litchfield | Comment | |||
RSA38463 | Camissonia tanacetifolia subsp. tanacetifolia | P. A. Munz | 1947-5-19 | 11883 | Lassen | Madeline | 1677 | Comment | ||
UC773929 | Capsella bursa-pastoris | L. R. Short and J. Warren | 1936-6-9 | S 408 | Lassen | Lassen National Forest, Burgess Spring Experiment Range Burgess Spring Experiment Range; Lassen National Forest, Burgess Spring Experiment Range | 1844 | Comment | ||
CHSC68853 | Cardamine breweri | Vernon Oswald; Lowell Ahart | 1997-6-24 | 8618 | Lassen | South of Susanville on the north side of Diamond Mtn. at an impoundment on the edge of Forest Rd. 29N43 ca. 7.4 miles east of Gold Run Rd. (29N10), ca. 2.7 mi east of Lassen NF boundary. On the edge of a streamlet entering the impoundment. | 2036 | Comment | ||
JEPS87505 | Cardamine breweri | Vernon H. Oswald and Lowell Ahart | 1993-8-3 | 5743 | Lassen | ca 13 mi (air) n. Lake Almanor (s.w. edge Cooper Swamp located e. of Silver Lake just e. of the Caribou Wilderness); Cooper Swamp | 1932 | Comment | ||
CHSC61025 | Cardamine breweri var. breweri | Vernon H. Oswald; Lowell Ahart | 1993-8-3 | 5743 | Lassen | Cooper Swamp located E of Silver Lake just E of the Caribou Wilderness, ca. 13 mi (air) N of Lake Almanor. At the SW edge of the swamp. | 1932 | Comment | ||
JEPS94075 | Cardaria pubescens | Vernon H. Oswald and Lowell Ahart | 1998-9-8 | 9580 | Lassen | Ash Creek and Big Swamp 2.2 mi. n. Bieber (on County Rd. 91 (Bieber-Lookout Rd.)) | 1258 | Comment | ||
SEINET515879 | Cardaria pubescens | Vernon H. Oswald | 1998-9-8 | 9580 | Lassen | Ash Creek and Big Swamp 2.2 mi N of Bieber on County road 91 (Bieber-Lookout Rd.). | 1259 | Comment | ||
UC1137782 | Carex | August L. Hormay | 1934-5-14 | Lassen | Gray's Flat Well Lassen National Forest | 1706 | Comment | |||
CHSC76790 | Carex angustata | L. P. Janeway | 1999-9-5 | 6574 | Lassen | High Cascade Range. Upper Pine Creek near Stephens Camp; northwest corner of Upper Stephens Meadow. | 1900 | Comment | ||
CAS-BOT-BC18107 | Carex athrostachya | James Stokes | 1939-6-15 | s.n. | Lassen | Bullard Lake west of Grasshopper Valley. | Comment | |||
CHSC60428 | Carex athrostachya | Mary Ann Showers | 1992-6-13 | Lassen | Lassen Volcanic National Park. Shoreline at western end of Widow Lake. | 2072 | Comment | |||
UC506936 | Carex athrostachya | George A. Fischer, Irwin H. Johnson | 1933-7-12 | F 237 | Lassen | Patterson flat | 1737 | Comment | ||
POM313130 | Carex athrostachya | H. L. Mason | 1947-7-9 | 13300 | Lassen | Irrigation ditch 5 miles east of Bieber. | Comment | |||
SEINET7550707 | Carex athrostachya | John Thomas Howell | 1934-7-7 | 12472 | Lassen | Pine Creek Flat. | 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 | ||
UC1108041 | Carex brainerdii | E. B. Copeland | 1932-8-15 | Lassen | below Raker Peak (woods by Lost Creek); Mount Lassen, Lost Creek | 1889 | Comment | |||
CHSC96431 | Carex cusickii | Gordon Leppig; J. Cromwell | 1997-7-27 | 620 | Lassen | Modoc National Forest. Blue Lake Ranch. | 1970 | Comment | ||
JEPS100621 | Carex douglasii | Dean W. Taylor | 1974-6-14 | 3716 | Lassen | Poison Lake, on Hwy 44 ca. 2 miles W from the junction with Pittville Road | 1615 | Comment | ||
UC803 | Carex douglasii | J. Burtt Davy | Jun 17 1897-Jun 24 1897 | 3289 | Lassen | Honey Lake Valley | Comment | |||
CAS-BOT-BC19776 | Carex douglasii | L. P. Janeway | 1990-7-4 | 3766 | Lassen | Plumas National Forest. Milford Ranger District. East side of saddle, ca. 0.8 mile northeast of Meadowview Peak. | 1981 | Comment | ||
CAS-BOT-BC75502 | Carex echinata var. ormantha | Leo Whitney | 1934-8-2 | 1967 | Lassen | Bridge Creek Camp. | 1737 | Comment | ||
CAS-BOT-BC19917 | Carex epapillosa | L. S. Smith | 1918-8-11 | 1018 | Lassen | Modoc Forest. Trail to Lost Lake-T38-16. | 2438 | Comment | ||
UC1133498 | Carex filifolia var. erostrata | Robert W. Gardner | 1939-7-6 | G- 30 | Lassen | Grass Valley Halls Flat Quadrangle | Comment | |||
UC1142952 | Carex filifolia var. erostrata | A. L. Hormay | 1941-6-26 | 238 | Lassen | Bogard Ranger Station Lassen National Forest, Pine Creek | 1706 | Comment | ||
CAS-BOT-BC22237 | Carex haydeniana | John Thomas Howell | 1934-6-14 | 12163 | Lassen | Near Lost Lake. Warner Mountains. | 2438 | Comment | ||
CHSC85990 | Carex heteroneura var. heteroneura | L. P. Janeway | 2003-7-24 | 7915 A | Lassen | High Cascade Range. Along Forest Service Road 30N14 1.1 km from Road 30N21; small side drainage of upper Susan River 4.7 (air) km west of Clover Valley. | 1932 | Comment | ||
CHSC85978 | Carex hoodii | L. P. Janeway | 2003-7-24 | 7917 | Lassen | High Cascade Range. Along Forest Service Road 30N14 1.1 km from Road 30N21; small side drainage of upper Susan River 4.7 (air) km west of Clover Valley. | 1932 | 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 | ||
CHSC61066 | Carex lasiocarpa | Vernon H. Oswald; Lowell Ahart | 1993-8-3 | 5752 | Lassen | Cooper Swamp located E of Silver Lake just E of the Caribou Wilderness, ca. 13 mi (air) N of Lake Almanor. In the NW part of the swamp. | 1932 | 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 | ||
CHSC96450 | Carex limosa | Gordon Leppig; T. LaBanca, L. Arguello | 1997-6-29 | 543 | Lassen | Modoc National Forest. Blue Lake Ranch. | 1970 | Comment | ||
CHSC97050 | Carex limosa | Gordon Leppig; J. Cromwell | 1997-7-27 | 610 | Lassen | Modoc National Forest. Blue Lake Ranch. | 1970 | Comment | ||
HSC95192 | Carex limosa | Gordon Leppig, T. LaBanca, L. Arguello | 1997-6-29 | 543 | Lassen | Modoc National Forest, Blue Lake Ranch | 1970 | Comment | ||
UC1609199 | Carex livida | Vernon H. Oswald and Lowell Ahart | 1993-8-3 | 5742 | Lassen | e Silver Lake (just e of the Caribou Wilderness, ca 13 mi (air) n of Lake Almanor); Cooper Swamp | 1932 | Comment Read comments May 19 2014 |
||
SEINET7568445 | Carex multicaulis | L. P. Janeway | 2001-6-20 | 7207 | Lassen | Coble Mountain 7.5' Quad. High Cascade Range, 0.6 km east of Road 111 and 1.3 km south of Road 35N60, about 11 km west of Little Valley, 3.9 km east-northeast of Coble Mountain. | 1402 | Comment | ||
CHSC29957 | Carex multicostata | Robin L. Ondricek | 1978-6-27 | 78 | Lassen | On Coleman Lake Rd., .7 mi ne of Lassen Co. Rd. A1. | 1950 | Comment | ||
CHSC66271 | Carex nebrascensis | Vernon H. Oswald; Lowell Ahart | 1996-6-24 | 7882 | Lassen | Papoose Meadows located ca. 0.5 mi E of Eagle Lake Rd. (A1) and 2.5 mi S of Eagle Lake. Modoc Plateau. Meadow on the E side of Papoose Creek N of the springs. | 1633 | Comment | ||
SEINET7568738 | Carex nebrascensis | L. P. Janeway | 2003-7-24 | 7914 | Lassen | Pegleg Mountain 7.5' quad. 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 | ||
UC2031885 | Carex nebrascensis | Nick Otting | 2003-7-16 | 688 | Lassen | Modoc Plateau, Smoke Creek, 1200 feet downstream of Rye Patch Road crossing, 15 air miles southeast of Ravendale. | Comment | |||
HSC103619 | Carex nebrascensis | Thomas W. Nelson, Jane Nelson | 1985-8-10 | 8014 | Lassen | Along north side of Silver Lake | 1829 | 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-BC119255 | Carex pachystachya | John Thomas Howell | 1934-7-6 | 12452 | Lassen | Harvey Valley. | Comment | |||
CHSC61593 | Carex pellita | Arthur C. Barrett | 1915-8-18 | 36 | Lassen | Plumas National Forest. Along stream near Laufman Sta. | 1508 | Comment | ||
CHSC77245 | Carex pellita | G. Schoolcraft | 1995-7-11 | 2504 | Lassen | Along Silver Creek. | 1767 | Comment | ||
UC70637 | Carex pellita | Jos. Burtt Davy | Jun 17 1897-Jun 24 1897 | Lassen | Honey Lake Valley | Comment | ||||
CHSC98386 | Carex petasata | Dean Wm. Taylor | 2007-6-14 | 20126 | Lassen | Stream channel sraining Lower Gooch Valley into Gordon Valley. | 1828 | Comment | ||
UC1133449 | Carex petasata | Robert W. Gardner | 1937-6-18 | G 6 | Lassen | Burgess Spring Experimental Range | 1699 | Comment | ||
CHSC77249 | Carex praegracilis | G. Schoolcraft | 1997-7-30 | 2625 | Lassen | W slope of Diamond Mtn. | 1889 | Comment | ||
SEINET7572130 | Carex praegracilis | Lowell Ahart, John Dittes | 2005-6-1 | 11877 | Lassen | About 3/4 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. | 1470 | Comment | ||
UC1542937 | Carex praegracilis | G. Schoolcraft | 1987-5-5 | 1695 | Lassen | near Stone Ranch; Eagle Lake | 1554 | Comment | ||
UC1583985 | Carex praegracilis | G. Schoolcraft | 1990-6-12 | 2087 | Lassen | about 17 mi e Ravendale; Pine Dunes RNA | 1706 | Comment | ||
UC1776678 | Carex praegracilis | G. Schoolcraft | 1995-5-22 | 2484 | Lassen | East of Skedaddle Ranch | 1554 | Comment | ||
CAS-BOT-BC118402 | Carex praegracilis | G. Schoolcraft | 1987-5-5 | 1695 | Lassen | Along shore of Eagle Lake near Stone Ranch. | 1554 | Comment | ||
CHSC118476 | Carex praegracilis | Don Lepley | 2015-6-16 | Lassen | Lassen National Forest. Eagle Lake Ranger District. Sandy Beach of Eagle Lake, ~1.6 air miles north of Spalding marina. | 1559 | Comment | |||
CAS-BOT-BC118026 | Carex rossii | John Thomas Howell; Gordon H. True; Margaret Williams | 1973-5-12 | 49195 | Lassen | Elysian Valley NW of Janesville. | 1325 | Comment | ||
CHSC53660 | Carex rossii | L. P. Janeway; Oscar V. Janeway, Lillian D. Janeway | 1987-5-27 | 2101 | Lassen | Near S end of Eagle Lake. Along Eagle Lake Rd at jct with road to Pikes Pk. | 1569 | Comment | ||
CAS-BOT-BC117702 | Carex simulata | Peter H. Raven; Otto Thomas Solbrig | 1958-6-17 | 13278 | Lassen | Near a spring, along US HWY 395, 13.1 mi S of Ravendale. | Comment | |||
CHSC96453 | Carex simulata | Gordon Leppig; J. Cromwell | 1997-7-27 | 619 | Lassen | Modoc National Forest. Blue Lake Ranch. | 1970 | Comment | ||
HSC95226 | Carex simulata | Gordon Leppig | 1998-8-17 | 1046 | Lassen | Modoc National Forest, Blue Lake Ranch | 1970 | Comment | ||
UC1142951 | Carex simulata | A. L. Hormay | 1941-6-23 | 14 | Lassen | Burgess Spring Lassen National Forest | 1676 | Comment | ||
UC1108042 | Carex specifica | E. B. Copeland | 1932-8-15 | Lassen | woods between Hat Lake and Summit Lake; Mount Lassen | 1981 | Comment | |||
SEINET13715331 | Carex straminiformis | G. Schoolcraft | 1997-8-6 | 2669 | Lassen | Diamond Mountain, N slope | 2317 | Comment | ||
CAS-BOT-BC116606 | Carex subfusca | Clare B. Hardham | 1969-8-28 | 17440 | Lassen | West of Janesville. | Comment | |||
CAS-BOT-BC116624 | Carex subfusca | John Thomas Howell | 1973-7-10 | 49779 | Lassen | Fredonyer Pass. | 1737 | Comment | ||
CHSC89751 | Carex subfusca | L. P. Janeway | 2004-6-26 | 8169 | Lassen | High Cascade Range. Along Road 33N15 (Lassen Trail) between Patterson Flat and Aspen Flat; Blacks Mountain Experimental Forest. Roadside ditch. | 1790 | Comment | ||
CAS-BOT-BC116611 | Carex subfusca | Hans Leschke | 1954-7-5 | s.n. | Lassen | Hat Lake | 1965 | Comment | ||
SEINET4170122 | Carex subfusca | Unknown | 1966-6-24 | Lassen | Above Blue Lake, Warner Mountains, ca. 18 mi airline mi S. E. of Likely | 1905 | Comment | |||
JEPS28336 | Carex utriculata | George W. Gillett | 1957-7-22 | 885 | Lassen | near campsite at s end of lake; Lassen Volcanic National Park, Snag Lake | 1850 | Comment | ||
SEINET7579515 | Carex utriculata | George W. Gillett | 1957-7-22 | 885 | Lassen | Lassen Volcanic National Park, Snag Lake, near campsite at south end of lake. | 1850 | 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 | ||
RSA275376 | Carex whitneyi | D. H. Norris, Thomas W. Nelson, S. Dowty | 1971-6-22 | 19241 | Lassen | About 2 miles north of Westwood. | Comment | |||
RSA298353 | Carex whitneyi | D. H. Norris, Thomas W. Nelson, S. Dowty | 1971-6-22 | 19241 | Lassen | About 2 miles north of Westwood. | Comment | |||
CHSC106687 | Castilleja angustifolia | Zachary Garcia | 2008-5-3 | Lassen | Fort Sage Mtns. OHV Trailhead and trail to Indian Springs. | 1439 | Comment | |||
CHSC75539 | Castilleja angustifolia | Vernon H. Oswald; Lowell Ahart | 1999-6-9 | 9746 | 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. | Comment | |||
JEPS94129 | Castilleja angustifolia | Vernon H. Oswald and Lowell Ahart | 1998-5-22 | 9108 | 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 | ||
CAS-BOT-BC249618 | Castilleja applegatei subsp. pinetorum | B. J. Hammerly | 1941-6-20 | 44 | Lassen | 8 mi. S.-E. of Likely on Blue Lake road | 1676 | Comment | ||
CAS-BOT-BC249619 | Castilleja applegatei subsp. pinetorum | Alice Eastwood; John Thomas Howell | 1940-6-15 | 8326 | Lassen | Grasshopper Valley | Comment | |||
CHSC36455 | Castilleja applegatei subsp. pinetorum | Susan H. Euing | 1982-6-5 | 9 | Lassen | Ca. 3 1/2 mi s of jct of forest service roads 5.16 and 5.17. | Comment | |||
CHSC7749 | Castilleja applegatei subsp. pinetorum | Beverley J. Wise | 1969-5-11 | 103 | Lassen | West city limits of Susanville at 'Inspiration Point. | 1341 | Comment | ||
HSC23468 | Castilleja applegatei subsp. pinetorum | John Pratt | 1970-6-21 | 29 | Lassen | 1738 | Comment | |||
POM260676 | Castilleja applegatei subsp. pinetorum | Alice Eastwood, John T. Howell | 1940-6-15 | 8326 | Lassen | Grasshopper Valley. | Comment | |||
RSA747544 | Castilleja applegatei subsp. pinetorum | K. M. Meyer, A. Townesmith | 2007-7-23 | 152 | Lassen | Lassen National Forest. 6 miles SW on 32N10 off Hwy. 44. (Turn at rest area on Hwy. 44). At junction of 32N10, 32N09 and 31N36. | 1993 | Comment | ||
UC1063044 | Castilleja applegatei subsp. pinetorum | K. E. Bradshaw | 1939-5-27 | 238 | Lassen | n end Black Mountain Experimental Forest (Plot 39-1); Lassen National Forest, Halls Flat Quad. | 1767 | Comment | ||
CAS-BOT-BC249620 | Castilleja applegatei subsp. pinetorum | F. Farris | 1935-5-15 | s.n. | Lassen | Ramsey ranch near Susanville | 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 | ||
JEPS23848 | Castilleja campestris subsp. campestris | Peter H. Raven and Otto T. Solbrig | 1959-6-17 | 13295 | Lassen | 4.8 mi s Madeline (along U.S. Hwy 395) | Comment | |||
UC1137570 | Castilleja campestris subsp. campestris | A. Simontacchi | 1940-6-30 | 913 | Lassen | s shore Government Lake; Lassen National Park, Halls Flat Quad. | 1524 | Comment | ||
CHSC117210 | Castilleja lacera | Lowell Ahart; John Dittes | 2016-6-7 | 20993 | Lassen | West of pond, 110 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 | ||
CHSC1714 | Castilleja linariifolia | 1944-7-5 | Lassen | Bogard. | 1722 | Comment | ||||
JEPS80682 | Castilleja linariifolia | L. R. Heckard and T. I. Chuang | 1981-6-10 | 5533 | Lassen | e side (s end) Eagle Lake (along Route 139) | 1524 | Comment | ||
UC26450 | Castilleja linariifolia | Milo S. Baker | 1894-7-25 | Lassen | Eagle Lake | 1524 | 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 | ||
HSC69066 | Castilleja linariifolia | Gary Schoolcraft | 1979-7-5 | 124 | Lassen | Near top of Observation Peak | 2134 | Comment | ||
RSA505356 | Castilleja miniata | R. C. Bacigalupi, G. Thomas Robbins | 1955-7-20 | 5402 | Lassen | Along East Creek on grade 2.3 miles south of and below Patterson Ranger Station (and 0.8 mile s. of Lassen - Modoc County line). Southern end of the Warner Mts. | 2012 | Comment | ||
RSA0035914 | Castilleja pilosa | Lowell A. Ahart, John Dittes | 2008-6-20 | 14947 | 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 | ||
UC1483790 | Castilleja pilosa | Mary Meyer | 1980-7-1 | Lassen | Champs Flat | 1677 | Comment | |||
CHSC93692 | Castilleja tenuis | Lowell Ahart; John Dittes | 2005-6-1 | 11902 | 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 | ||
JEPS121270 | Castilleja tenuis | Lowell Ahart | 2013-7-22 | 18840 | Lassen | W margin of duck field, about 30 yards SE of the four tall poles, Ash Creek State Wildlife Area, about 5.5 air miles NE of Bieber, Big Valley. | Comment | |||
RSA0037002 | Castilleja tenuis | Lowell A. Ahart, John Dittes | 2008-6-19 | 14874 | Lassen | 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 | ||
UC1063260 | Castilleja tenuis | A. Simontacchi | 1940-6-5 | 812 | Lassen | 3.9 mi nw Cone Mtn.; Lassen National Forest, Halls Flat Quad. | 1767 | Comment | ||
UC1609289 | Castilleja tenuis | Vernon H. Oswald and Lowell Ahart | 1993-6-28 | 5576 | Lassen | 0.2 mi n Highway 44 (Harvey Valley Rd. (33N02), e side of Grays Valley, e of Poison Lake); Grays Valley | 1749 | Comment | ||
UC1924576 | Castilleja tenuis | Debra Valov | 2006-5-29 | 2006027 | Lassen | Bieber off County Rd A2 c. 8.7 km east of Hwy 299 | 1285 | Comment | ||
CHSC115601 | Caulanthus major var. nevadensis | Lowell Ahart; John Dittes | 2015-7-14 | 30329 | 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 of Ash Creek State Wildlife Area, about 7 miles (air) northeast of Bieber. | 1267 | Comment | ||
SEINET5341299 | Caulanthus pilosus | F. B. Headley | 1915-5-28 | s.n. | Lassen | Honey Lake. | Comment | |||
CAS-BOT-BC48706 | Ceanothus cordulatus | John Thomas Howell | 1974-7-9 | 50480 | Lassen | Coniferous forest between Susanville and SW end of Eagle lake | 1828 | Comment | ||
CAS-BOT-BC49071 | Ceanothus cuneatus | Alice Eastwood; J. T. Howell | 1940-6-11 | 7992 | Lassen | Big Valley Mts. | Comment | |||
CAS-BOT-BC52052 | Ceanothus prostratus | Milo S. Baker | 1894-7-30 | s.n. | Lassen | Near Silver Lake | 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 | |||
CHSC107342 | 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 | ||
RSA122353 | Ceanothus prostratus | C. B. Bradshaw | 1939-5-27 | 233 | Lassen | S end Black Mt. EF Plot 39-1, s15. | 1753 | Comment | ||
SBBG14876 | Ceanothus prostratus var. prostratus | A. I. Richardson | 1961-5-30 | 4 | Lassen | rd S of Eagle Lake, 13 mi W of Susanville | Comment | |||
JEPS107853 | Ceanothus velutinus var. velutinus | Lowell Ahart, John Dittes | 2005-6-2 | 11943 | 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 | ||
CAS-BOT-BC184969 | Cenchrus longispinus | T. C. Fuller | 1965-10-13 | 14198 | Lassen | On north side of old road to Susanville, 1 mile west of Johnstonville. | Comment | |||
CAS-BOT-BC281208 | Centaurea stoebe subsp. micranthos | Lee E. Wheeler | 1962-8-15 | s.n. | Lassen | Doyle area | Comment | |||
RSA186838 | Centaurea virgata subsp. squarrosa | T. C. Fuller | 1966-7-20 | 14961 | Lassen | Both sides of road from 0.1 to 0.9 miles south of the bridge at Pittville | Comment | |||
CAS-BOT-BC279593 | Centromadia pungens subsp. pungens | Gordon H. True | 1973-8-22 | 7656 | Lassen | North shore of Honey Lake, ca. 5 miles east of Janesville and just west of Hartson Reservoir | Comment | |||
CAS-BOT-BC279595 | Centromadia pungens subsp. pungens | Gladys L. Smith; Margaret Williams; Loring Williams; Charles Smith | 1983-9-15 | 8392 | Lassen | Along Lassen 3-A, the Susanville By-pass for Rte. 395 | 1219 | Comment | ||
JEPS114633 | Cerastium glomeratum | Lowell Ahart, John Dittes | 2008-6-20 | 14966 | 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 7.0 miles (air) northeast of Bieber | 1263 | Comment | ||
HSC23531 | Ceratophyllum demersum | R. Carter | 1967-7-13 | 593 | Lassen | 5 mi. E of Eagle Lake Biology Station at point where road comes nearest to Willow Creek | 1561 | Comment | ||
SDSU8985 | Cercocarpus betuloides | D. F. Howe | 1961-8-4 | 3134 | Lassen | 11.5 miles east of McArthur on US 299. | 1372 | Comment | ||
UCD22434 | Cercocarpus betuloides var. betuloides | Brian Vanden Heuvel | 2003-4-10 | 196 | Lassen | Shasta National Forest. East slope of Big Valley Mountains. 0.7 miles north of CA 299 on Foothill Road (Four Corners Road), just east of the road. | Comment | |||
CHSC21174 | Cercocarpus ledifolius var. ledifolius | M. S. Taylor | 1974-5-4 | 226 | Lassen | Scattered on e side of marsh, ca. 1/2 mi n of Eagle Lake Field Station, ca. 13 mi nw of Susanville. | Comment | |||
CHSC29948 | Cercocarpus ledifolius var. ledifolius | Robin L. Ondricek | 1978-6-8 | 45 | Lassen | Ridge E of Lower Dry Lake. | 1767 | Comment | ||
JEPS122364 | Chaenactis douglasii | Jaycee Leonard, Mike Dolan | 2012-8-3 | CA 320 -120 | Lassen | From Alturas head south on Highway 395. At the town of Termo turn left onto Juniper Ridge road. Then turn left onto Cold Springs road. Collection is at top of Cold Springs mountain along ridge | 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-BC276614 | Chaenactis douglasii var. douglasii | Louella Bass | 1978-7-11 | 78 -10 | Lassen | Elysian Valley | 1325 | Comment | ||
CHSC111255 | Chaenactis douglasii var. douglasii | L. P. Janeway; B. Castro | 2012-7-3 | 10938 | Lassen | Modoc Plateau. Near top of Shaffer Mountain, southeast-facing slope, steep and very rocky with lots of outcrops of hard dark volcanic rock. | 2012 | Comment | ||
CHSC48134 | Chaenactis douglasii var. douglasii | Vernon Oswald | 1986-6-15 | 2116 | Lassen | Hwy 139, 8.6 mi ne of Susanville. | 1615 | Comment | ||
HSC28855 | Chaenactis douglasii var. douglasii | D. H. Norris, Thomas W. Nelson, S. Dowty | 1971-6-22 | 19288 | Lassen | Along Hwy. 395, 4 mi. E of Standish | Comment | |||
UCR7839 | Chaenactis douglasii var. douglasii | Marilyn Malin | 1968-6-19 | 250 | Lassen | Eagle Lake Biological Station[Chico State Biological Station], 50 ft. NE of the A-Frame cabin | 59 | Comment | ||
CHSC64751 | Chaenactis stevioides | Vernon H. Oswald | 1995-6-7 | 6839 | 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 | ||
UC1542162 | Chamaesaracha nana | Paul Covel | 1986-6-6 | Lassen | e of Chester (Lake Almanor dike); Lake Almanor | Comment | ||||
UC26091 | Chamaesaracha nana | M. S. Baker and Frank Nutting | 1894-7-12 | Lassen | Pine Creek | Comment | ||||
CHSC66385 | Chamaesyce serpillifolia subsp. serpillifolia | Vernon H. Oswald; Lowell Ahart | 1996-6-17 | 7771 | Lassen | Modoc Plateau. Bizz Johnson Trail accessed at Devils Corral Trailhead located off of Hwy. 36 ca. 7 mi W of Susanville. On the trail on the N side of Hwy. 36 ca. 0.2 mi E of the 7 mile post. | 1432 | Comment | ||
CHSC66863 | Chamaesyce serpillifolia subsp. serpillifolia | Vernon H. Oswald; Lowell Ahart | 1996-9-10 | 8278 | Lassen | Mountain Meadows Reservoir SW of Westwood. On the embankment of the railroad at the northwest edge of the reservoir. | 1539 | Comment | ||
RSA756354 | Chenopodium | Barbara Ertter | 1987-7-24 | 7301 | Lassen | ca 3/4 mi ENE of Beckwourth Pass at end of old crumbling paved road. | 1524 | Comment | ||
CHSC45516 | Chimaphila menziesii | Lowell Ahart; John Thomas Howell | 1974-7-9 | 538 | Lassen | On the south side of Eagle Lake Road, near the south edge of Eagle Lake. | 1584 | Comment | ||
POM77432 | Chimaphila menziesii | Marcus E. Jones | 1897-6-28 | s.n. | Lassen | Diamond Mountain; Susanville; Perkin's Ranch. | 1829 | Comment | ||
UC1557992 | Chimaphila menziesii | Barbara Ertter | 1988-7-25 | 7872 | Lassen | ca. 10 airmiles due s. Susanville (ridge of Diamond Mts., ca. 1.5 mi. e. of Diamond Peak); Diamond Mts. | 2255 | Comment | ||
CAS-BOT-BC247863 | Chorizanthe watsonii | Clare B. Hardham | 1961-6-17 | 7499 | Lassen | Baxter Cr. south of Susanville | 1524 | Comment | ||
JEPS57772 | Chorizanthe watsonii | W. L. Jepson | 1918-8-2 | 7766 | Lassen | Beckwith Pass | 1463 | Comment | ||
CHSC30554 | Chrysolepis sempervirens | Sori H. Shad | 1970-6-26 | 20 | Lassen | Found at the edge of Deans Meadow. | 1828 | Comment | ||
SEINET10730905 | Chrysolepis sempervirens | Andrew Townesmith, Karen M. Meyer | 2007-7-22 | Townesmith 841 | 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 | ||
CDA46 | Chrysothamnus albidus | O. W. Newman | Aug 1915 | s.n. | Lassen | Susanville. | Comment | |||
UC773961 | Chrysothamnus humilis | L. R. Short and J. Warren | 1936-8-17 | S- 495 | Lassen | Burgess Spring Experiment Range Lassen Forest | 1760 | Comment | ||
CDA19740 | Chrysothamnus viscidiflorus | D. Tillotson | 1942-6-1 | s.n. | Lassen | Modoc Plateau; Madeline. | 0 | Comment | ||
CAS-BOT-BC106023 | Chrysothamnus viscidiflorus subsp. lanceolatus | Ynez Whilton Winblad | 1935-9-23 | s.n. | Lassen | Susanville | Comment | |||
CAS-BOT-BC105909 | Chrysothamnus viscidiflorus subsp. viscidiflorus | Carl B. Wolf | 1931-9-4 | 1271 | Lassen | Big Valley, 2.6 miles from Bieber on road to Alturas | 1267 | Comment | ||
JEPS21409 | Chrysothamnus viscidiflorus subsp. viscidiflorus | W. L. Jepson | 1918-8-4 | 7813 | Lassen | e of Eagle Lake; Horse Lake | 1554 | Comment | ||
SEINET515878 | Chrysothamnus viscidiflorus subsp. viscidiflorus | Vernon H. Oswald | 1998-9-8 | 9587 | Lassen | Kramer Rd. 3.1 mi S of Lookout. | 1280 | Comment | ||
UC761845 | Chrysothamnus viscidiflorus subsp. viscidiflorus | R. F. Hoover | 1940-10-5 | 4664 | Lassen | Wendel | Comment | |||
UC921129 | Chrysothamnus viscidiflorus subsp. viscidiflorus | Vesta Holt | 1945-8-11 | Lassen | Eagle Lake | Comment | ||||
JEPS103168 | Chylismia claviformis subsp. cruciformis | Beth Corbin | 2002-5-1 | 1065 | Lassen | Honey Lake Valley, about 2 mi SE of Wendel. | 1234 | Comment | ||
JEPS29747 | Chylismia claviformis subsp. cruciformis | Rimo Bacigalupi, and L. R. Heckard | 1962-5-28 | 8502 | Lassen | 2 mi e Wendel junction (on road past Flanagan to Pyramid Lake, Nevada, in low areas n of Honey Lake) | 1219 | Comment | ||
POM35787 | Cichorium intybus | Marcus E. Jones | 1897-6-26 | s.n. | Lassen | Susanville, Perkin's Ranch. | 1463 | 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 | ||
CDA1127 | Cirsium canescens | G. D. Barbe | 1982-7-12 | 3875 | Lassen | Madeline Plain. 3 mi. north of Termo-Grasshopper Rd., on Westside Rd. at base of Dry Valley Ridge. | 0 | Comment | ||
CDA1129 | Cirsium canescens | T. C. Fuller | 1966-7-22 | 14981 -B | Lassen | Madeline Plains 10 mi w. of Termo, 3 mi N of paved road. E of road at E base of Dry Valley Ridge, Madelaine Plains . | Comment | |||
CDA1166 | Cirsium cymosum | T. C. Fuller | 1959-7-7 | 2762 | Lassen | Hwy 395; 1.7 mi. south of Ravendale. | 0 | Comment | ||
CDA1174 | Cirsium cymosum | G. D. Barbe | 1982-7-13 | 3882 | Lassen | Madeline Plain Scattered along Westside Rd. at base of Dry Valley Ridge, 3 mi. n. of Termo- Grasshopper Rd. | 0 | Comment | ||
CAS-BOT-BC278001 | Cirsium cymosum | John Thomas Howell | 1934-6-10 | 11908 | Lassen | Madeline Plains near Termo | Comment | |||
CDA1173 | Cirsium cymosum | G. D. Barbe | 1982-7-12 | 3870 | Lassen | Grasshopper Valley; South Grasshopper Rd, 0.8 miles northeast of Hwy 139. | 0 | Comment | ||
JEPS30611 | Cirsium cymosum var. cymosum | Peter H. Raven and Otto T. Solbrig | 1958-6-17 | 13279 | Lassen | 13.1 mi s Ravendale (along U.S. Highway 395) | Comment | |||
JEPS30797 | Cirsium cymosum var. cymosum | Peter H. Raven and Otto T. Solbrig | 1958-6-17 | 13303 | Lassen | along US Hwy 395 8.0 mi n Madeline | Comment | |||
UC773846 | Cirsium cymosum var. cymosum | L. R. Short and Wm. Gansberg | 1936-7-9 | S- 479 | Lassen | Burgess Spring Experiment Range | 1807 | Comment | ||
CAS-BOT-BC278091 | Cirsium douglasii var. breweri | Peter H. Raven; Otto T. Solbrig | 1958-6-17 | 13280 | Lassen | Along United States Highway 395, 13.1 miles south of Ravendale | Comment | |||
CDA1526 | Cirsium ochrocentrum | T. C. Fuller | 1966-7-22 | 14980 | Lassen | Madeline Plains 10 mi w. of Termo, 3 mi N of paved road. E of road at E base of Dry Valley Ridge, Madelaine Plains . | Comment | |||
RSA186826 | Cirsium ochrocentrum | T. C. Fuller | 1966-7-22 | 14983 | Lassen | East of road at the east base of Dry Valley Ridge, Madelaine Plains, 3 miles north of paved road, 10 miles west of Termo. | Comment | |||
CAS-BOT-BC280428 | Cirsium ochrocentrum | T. C. Fuller | 1959-7-7 | 2737 | Lassen | M. A. Mallory ranch, Richmond Road, ca. 4 mi. SE/Susanville | Comment | |||
CAS-BOT-BC280429 | Cirsium ochrocentrum | T. C. Fuller | 1965-10-13 | 14199 | Lassen | E. of rd. at the e. base of Dry Valley Ridge, Madelaine [Madeline] Plains, 3 mi. n. of paved road, 10 mi. w. of Termo | Comment | |||
CDA1520 | Cirsium ochrocentrum var. ochrocentrum | T. C. Fuller | 1966-7-22 | 14980 | Lassen | Madeline Plains 10 mi w. of Termo, 3 mi N of paved road. E of road at E base of Dry Valley Ridge, Madelaine Plains . | Comment | |||
CDA1521 | Cirsium ochrocentrum var. ochrocentrum | G. D. Barbe | 1982-7-12 | 3876 | Lassen | Madeline Plain. 3 mi. north of Termo-Grasshopper Rd., on Westside Rd. at base of Dry Valley Ridge. | 0 | Comment | ||
RSA127309 | Cirsium remotifolium var. rivulare | J. T. Howell | 1952-7-11 | 28836 | Lassen | Just S of Oregon line on road to Smith River, Del Norte County | Comment | |||
CAS-BOT-BC286308 | Cirsium scariosum | John Thomas Howell; Gordon H. True; Margaret Williams | 1973-6-28 | 49427 | Lassen | Elysian Valley, west of Janesville | 1325 | Comment | ||
CAS-BOT-BC286309 | Cirsium scariosum | Louella Bass | 1973-6-17 | 117 | Lassen | Elysian Valley | 1325 | Comment | ||
CDA1557 | Cirsium scariosum | T. C. Fuller, E. E. Fix | 1959-7-23 | 2825 | Lassen | Near Ravendale. | 0 | Comment | ||
CHSC5203 | Cirsium scariosum | P. Balch | 1955-7-19 | Lassen | Eagle Lake. Roadside meadow 3 1/2 mi from Antelope Lookout. | 1981 | Comment | |||
CHSC23510 | Cirsium vulgare | Wayne O. Baum | 1971-7-6 | 71 -56 | Lassen | Slope of Gallatin Peak. | 1981 | Comment | ||
CAS-BOT-BC233914 | Cistanthe umbellata | Carl B. Wolf | 1929-9-1 | 3788 | Lassen | Mt. Lassen National Park, between Grassy and Snag Lakes | Comment | |||
CAS-BOT-BC163164 | Clarkia lassenensis | A. M. Vollmer; L. Beane | 1953-7-1 | 98 | Lassen | Along Halls Flat road, beginning 6 mi. W of Susanville to McArthur | 1554 | Comment | ||
CHSC27720 | Clarkia lassenensis | Robert A. Schlising; S. Morey, D. Ikeda | 1978-6-8 | 3284 | Lassen | E of Eagle Lake, on slopes between Lower Dry Lake and Murrers Upper Meadow. | 1569 | Comment | ||
CHSC92741 | Clarkia lassenensis | L. P. Janeway | 2005-7-3 | 8452 | Lassen | High Cascade Range. Junction of Road 35N38 (road to Blacks Ridge Lookout Tower) and Road 22; 3.7 air km north-northwest of the lookout. | 1536 | Comment | ||
UCR244103 | Clarkia lassenensis | Jim Andre, G. L. Clifton | 1993-6-9 | 19699 | 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 | ||
CAS-BOT-BC163410 | Clarkia purpurea subsp. quadrivulnera | H. D. Ripley; R. C. Barneby | 1943-6-13 | 5718 | Lassen | South of Johnstonville | 1325 | Comment | ||
RSA122142 | Clarkia rhomboidea | L. R. Short, Wm. Gansberg | 1936-7-3 | S- 358 | Lassen | MDM. Burgess Spr. Exp. Range. Lassen National Forest | 1848 | Comment | ||
UC773908 | Clarkia rhomboidea | L. R. Short and Wm. Gansberg | 1936-7-3 | S- 358 | Lassen | Burgess Spring Experiment Range Lassen Forest | 1847 | Comment | ||
RSA122141 | Clarkia stellata | L. R. Short | 1936-6-23 | S- 448 | Lassen | Burgess Spring Exp. Range, Lassen forest | 1799 | Comment | ||
HSC63829 | Clarkia stellata | Teresa Prendusi | 1980-7-1 | Lassen | McCoy Flat, 5 mi. E of northern tip of Eagle Lake | 1646 | Comment | |||
SEINET5336402 | Claytonia perfoliata subsp. intermontana | J. Young | 1978-4-13 | s.n. | Lassen | Meyers Ranch, Adin CA. | Comment | |||
CHSC117188 | Claytonia rubra subsp. rubra | Lowell Ahart; John Dittes | 2016-6-7 | 21012 | 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. | 1397 | Comment | ||
CHSC34942 | Claytonia rubra subsp. rubra | P. Fehr | 1974-4-24 | 4 | Lassen | Ca. 1.75 mi n of junction of Cherry Terrace and Piute Creek, Susanville. | 1219 | Comment | ||
JEPS118455 | Claytonia rubra subsp. rubra | Lowell Ahart, John Dittes | 2011-6-20 | 17486 | 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 | ||
UC7897 | Claytonia rubra subsp. rubra | M. S. Baker and Frank Nutting | 1894-7-12 | Lassen | Pine Creek | Comment | ||||
UC452681 | Claytonia umbellata | Milo S. Baker | 1890-1 | Lassen | Milford | Comment | ||||
NY222826 | Cleome platycarpa | G. Schoolcraft | 1989-5-31 | 1891 | Lassen | East end of Skedaddle Mtns. near stateline. | Comment | |||
CAS-BOT-BC32957 | Cleomella alata | C. C. (Mrs.) Bruce | 1898-6-1 | 2364 | Lassen | Shumway | Comment | |||
NY242101 | Cleomella hillmanii | G. Schoolcraft | 1989-5-31 | 1883 | Lassen | 3 mi. N. Wendel Rd. along Skedaddle Ranch Rd. | 1463.0 | Comment | ||
UC1567444 | Cleomella hillmanii | G. Schoolcraft | 1989-5-31 | 1883 | Lassen | 3 mi n Wendel Rd. (along Skedaddle Ranch Rd) | 1463 | Comment | ||
CAS-BOT-BC423197 | Cleomella parviflora | Arnold Tiehm | 1980-5-29 | 5748 | Lassen | North end of Honey Lake Valley, just north of Hot Springs 1.1 air miles NNW of Wendel | 1231 | Comment | ||
JEPS42688 | Cleomella parviflora | J. Burtt Davy | Jun 17 1897-Jun 24 1897 | 3352 | Lassen | Amedee Honey Lake Vally | Comment | |||
CAS-BOT-BC423224 | Cleomella plocasperma | Arnold Tiehm | 1980-5-29 | 5746 | Lassen | North end of Honey Lake Valley, just north of Hot Springs 1.1 air miles NNW of Wendel | 1231 | Comment | ||
UC1143004 | Collinsia parviflora | August L. Hormay | 1934-5-9 | Lassen | Lassen Nation Forest, Black Mountain Headquarters Black Mountain Headquarters; Lassen Nation Forest, Black Mountain Headquarters | 1706 | Comment | |||
HSC63960 | Collinsia parviflora | Teresa Prendusi | 1980-5-19 | Lassen | Saddle Rock. | 1524 | Comment | |||
HSC75889 | Collinsia torreyi | D. H. Norris, T. Nelson, S. Dowty | 1971-6-22 | 19259 | Lassen | Harvey Valley near Cone Springs | Comment | |||
JEPS21731 | Collinsia torreyi var. torreyi | L. R. Short | 1936-6-25 | S- 455 | Lassen | Burgess Spr. Exp. Range; Lassen Forest | 1752 | Comment | ||
CHSC23513 | Collomia grandiflora | Wayne O. Baum | 1971-7-19 | 71 -77 | Lassen | E. slope of Gallatin Peak. | 2042 | Comment | ||
CHSC25140 | Collomia grandiflora | R. Clicquennoi | 1967-6-30 | 28 | Lassen | W central shore of Eagle Lake, 1/2 mi s of Pelican Point. | 1554 | Comment | ||
CHSC4774 | Collomia grandiflora | R. Carter | 1967-6-27 | 565 | Lassen | Ca. 10 yds off S side of Rd. 1.75 mi W of Eagle Lake Biology Station. | 1584 | Comment | ||
CHSC59776 | Collomia grandiflora | Mary Meyer | 1980-5-15 | Lassen | On slopes near creek along Secret Creek Canyon. | 1371 | Comment | |||
CHSC6198 | Collomia grandiflora | P. Collett | 1946-6-24 | Lassen | Spalding's, Eagle Lake. | 1554 | Comment | |||
POM75605 | Collomia grandiflora | Marcus E. Jones | 1897-6-26 | 10168 | Lassen | Susanville, Perkin's Ranch. | 1463 | Comment | ||
UC773904 | Collomia grandiflora | L. R. Short and J. Warren | S- 362 | Lassen | Burgess Spr. Exp. Range Lassen <National> Forest | 1844 | Comment | |||
HSC23534 | Collomia grandiflora | R. Carter | 1967-7-13 | 585 | Lassen | S side of rd. to Eagle Lake Biology Station and Willow Creek | 1585 | Comment | ||
UC23615 | Collomia linearis | M. S. Baker and Frank Nutting | 1894-7-12 | Lassen | Pine Creek | Comment | ||||
CHSC5005 | Collomia tinctoria | K. C. Newman | 1967-7-2 | 59 | Lassen | Collected about 50 yds. NE of ELBS just beyond the men's dorm. | 1554 | Comment | ||
CHSC60835 | Collomia tinctoria | Vernon H. Oswald; Lowell Ahart | 1993-6-28 | 5597 | Lassen | Harvey Valley Rd. (33N02), 2.0 mi N of Hwy 44, between Grays Valley and Harvey Valley, E of Poison Lake. Along the edge of the road. | 1734 | 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 | ||
SBBG58209 | Collomia tinctoria | E. Rockwell | -Jun-1925 | Lassen | Eagle Lake | 1554 | Comment | |||
UC699727 | Collomia tinctoria | Farris Farris | 1936-6-15 | Lassen | Diamond Mountain | 1828 | Comment | |||
HSC95148 | Comarum palustre | Gordon Leppig | 1998-7-12 | 934 | Lassen | Modoc National Forest, Blue Lake Ranch | 1970 | Comment | ||
JEPS121290 | Conium maculatum | Lowell Ahart, John Dittes | 2013-7-23 | 18901 | Lassen | W side of the road levee, about 80 yards W of the four tall poles, Ash Creek State Wildlife Area, about 5.5 air miles NE of Bieber, Big Valley. | Comment | |||
UC1483856 | Corallorhiza maculata | G. Schoolcraft | 1980-7-15 | 308 | Lassen | w Bieber; Big Valley Mountain timber sale area (Bureau of Land Managem | 1798 | Comment | ||
POM107536 | Corallorhiza maculata | Marcus E. Jones | 1897-6-28 | s.n. | Lassen | Diamond Mountain; Susanville; Perkins Ranch. | 1829 | Comment | ||
JEPS17409 | Cordylanthus kingii subsp. helleri | Rimo Bacigalupi with G. T. Robbins | 1955-7-21 | 5427 | Lassen | s Smoke Creek Ranch Rd. (1.3 m <e?> of Nevada line, 17.5 m w of US Hwy 395); drainage of Rush Creek | Comment | |||
JEPS57534 | Cordylanthus maritimus subsp. canescens | Harry George | 1963-8-15 | Lassen | shores of Honey Lake | Comment | ||||
JEPS95014 | Cornus sericea subsp. sericea | Vernon Oswald and Lowell Ahart | 1997-6-24 | 8611 | Lassen | 0.7 mi e of Lassen National Forest boundary (5.4 mi e of Gold Run Road (29N10), s of Susanville on n side of Diamond Mountain at a springy slope with streamlets along Forest Road 29N43); Diamond Mountain, Forest Road 29N43 | 1889 | 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 | ||
CHSC64752 | Crepis bakeri | Vernon H. Oswald | 1995-5-31 | 6796 | Lassen | Modoc Plateau. Smoke Creek Ranch Rd. 0.4 mi e of Hwy. 395, between Litchfield and Ravendale. | 1383 | Comment | ||
CAS-BOT-BC291550 | Crepis intermedia | G. L. Stebbins; J. A. Jenkins | 1937-7-14 | 2335 | Lassen | Burgers Springs Experimental Range | 1706 | Comment | ||
SEINET8513568 | Crepis occidentalis | A. Rosenblum, A. Ortega, O. Schilling, M. Gray | 2015-6-24 | NV 030 -1092 | Lassen | Plumas Allotment, Highway 395 into California, first median crossing after check station, turn right, follow road right (South) take, 2nd left, follow uphill road bearing Southeast until reach gray metal gate, along roadside | 1541 | Comment | ||
CAS-BOT-BC290742 | Crepis occidentalis subsp. costata | G. L. Stebbins, Jr.; J. A. Jenkins | 1937-7-10 | 2320 | Lassen | Black Mountain about a mile below the summit | 1940 | Comment | ||
SEINET2142793 | Crepis occidentalis subsp. occidentalis | Noel H. Holmgren, Holmgren, Patricia K. | 1978-6-11 | 8929 | Lassen | upper Smoke Creek, south side of Observation Peak, 7.6 km (4.7 mi) northeast of Rye Patch Canyon summit, 18.5 km (11.5 mi) airline distance east-southeast of Ravendale | 1700 | Comment | ||
UC581276 | Crepis occidentalis subsp. occidentalis | G. L. Stebbins Jr. and J. A. Jenkins | 1937-7-11 | 2320 | Lassen | w-facing slope about 1 mi below summit; Black Mt. | 1940 | Comment | ||
CAS-BOT-BC376546 | Crepis occidentalis subsp. occidentalis | G. L. Stebbins, Jr.; J. A. Jenkins | 1937-7-8 | 2217 | Lassen | Seven miles southwest of Ravendale | 1660 | Comment | ||
UC1136844 | Crepis occidentalis subsp. pumila | L. R. Short and Wm. Gansberg | 1936-7-7 | S- 476 | Lassen | Burgess Spring Experiment Station Lassen <National> Forest | 1764 | Comment | ||
CAS-BOT-BC290821 | Crepis occidentalis subsp. pumila | G. L. Stebbins, Jr.; J. A. Jenkins | 1937-7-15 | 2362 A | Lassen | In Big Valley 2 miles west of Adin | 1060 | Comment | ||
POM203850 | Crepis occidentalis subsp. pumila | J. T. Howell | 1934-6-10 | 11872 | Lassen | Janesville | Comment | |||
CAS-BOT-BC299712 | Crocidium | G. Schoolcraft | 1987-4-29 | 1686 | Lassen | Susanville | 1554 | Comment | ||
CDA1925 | Crypsis schoenoides | Lee Wheeler | 1963-9-17 | Lassen | State Fish & Game | 0 | Comment | |||
SBBG6231 | Cryptantha affinis | H. and M. Dearing | 1938-6-30 | 2226 | Lassen | ca. 50 mi W of Susanville | Comment | |||
SDSU20202 | Cryptantha schoolcraftii | Ronald B. Kelley | 2005-5-26 | 886 | Lassen | South end of Coppersmith Hills, on top edge of north-to-south running canyon of west facing steep slopes, 0.75 miles north of Tuledad Valley Road (CR506), T37N R17E sec.35 NE1/4 of NW1/4. Also found at 41 deg. 02.022'N, 120 deg. 0.529'W (WGS64), 5540' elev. | 1715 | Comment | ||
CHSC68850 | Cryptantha simulans | Vernon Oswald; Lowell Ahart | 1997-6-24 | 8594 | Lassen | South of Susanville on the north side of Diamond Mtn. on Forest Rd. 29N43, 1.2 miles east of Gold Run Rd. (29N10). On the edge of the road. | 1685 | Comment | ||
RSA164363 | Cryptantha simulans | Clare B. Hardham | 1961-6-17 | 7505 | Lassen | Baxter Creek S of Susanville. | Comment | |||
CHSC27582 | Cryptantha watsonii | N. E. Heiken | 1978-6-27 | 54 | Lassen | SE end of Eagle Lake, near Eagle Lake Field Station. | 1554 | Comment | ||
SEINET8191424 | Cryptantha watsonii | F. B. Headley | 1915-5-28 | s.n. | Lassen | Honey Lake | Comment | |||
CHSC110773 | Cuscuta howelliana | Dean Wm. Taylor | 2012-7-18 | 21275 | Lassen | Windmill Flat (tributary Juniper Creek, Pit River watershed, 11 miles S of Aden). | 1706 | Comment | ||
OBI75868 | Cuscuta occidentalis | Anthony Baniaga | 2011-8-9 | 492 | 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 | 1958 | Comment | ||
UC367201 | Cycladenia humilis var. humilis | J. G. Lemmon | 1446 | Lassen | near Shasta (Black Cone); ; Black Cone, near Shasta | Comment Read comments Feb 19 2015 |
||||
CHSC60296 | Cymopterus terebinthinus var. californicus | Mary Ann Showers | 1992-6-13 | 2560 | Lassen | Lassen Volcanic National Park. Volcanic outcrops southwest of Widow Lake. | 2072 | Comment | ||
JEPS127269 | Cyperus squarrosus | Lowell Ahart, John Dittes | 2016-7-13 | 21139 | Lassen | 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. | Comment | |||
CAS-BOT-BC70564 | Cystopteris fragilis | Louella Bass | 1973-6-18 | EU- 126 | Lassen | Elysian Valley | 1325 | Comment | ||
CHSC23486 | Cystopteris fragilis | Wayne O. Baum | 1971-6-28 | 71 -51 | Lassen | E. slope of Gallatin Peak. | 2087 | Comment | ||
UCR244032 | Dactylis glomerata | Jim Andre, G. L. Clifton | 1993-6-3 | 19702 | Lassen | Foothills of Sierra Nevada Mtns., Honey Lake Valley near Laufman Ranger Station, c. 4 mi. SSE of Milford (at U.S. 395), c. 30 mi. south of Susanville, just inside Plumas NF boundary | 1477 | Comment | ||
CAS-BOT-BC445517 | Damasonium californicum | Arnold Tiehm; Gary Schoolcraft | 1984-8-14 | 9245 | Lassen | Buckhorn Reservoir on the south side of Buckhorn road to Ravendale, about 6 road miles west of the state line | 1698 | Comment | ||
JEPS127244 | Damasonium californicum | Lowell Ahart, John Dittes | 2016-7-13 | 21138 | Lassen | 50 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 | |||
UC1100145 | Damasonium californicum | Malcolm A. Nobs, Calvin McMillan | 1949-6-15 | 784 | Lassen | Nubieber | Comment | |||
UC1137760 | Damasonium californicum | August L. Hormay | 1934-5-14 | Lassen | Poison Lake Lassen Nat'l Forest, Poison Lake | 1706 | Comment | |||
CAS-BOT-BC445515 | Damasonium californicum | M. S. Taylor | 1982-6-12 | 4647 | Lassen | On n side of Susan River (West Fork), s side of hwy 36, at jct with Willow Creek Rd, ca. 8 mi w of Susanville. | 1463 | Comment | ||
HSC68921 | Danthonia californica | Gary Schoolcraft | 1980-7-28 | 329 | Lassen | E of Tule Mountain and S of Blue Lake. | 2043 | Comment | ||
POM115072 | Danthonia californica | Marcus E. Jones | 1897-6-30 | s.n. | Lassen | Eagle Lake, 27 miles from Susanville. | 1524 | Comment | ||
UCD61015 | Danthonia californica | John Thomas Howell; Gordon H. True and Margaret Williams | 1973-6-28 | 49487 | Lassen | Sierra Nevada. Elysian Valley west of Janesville. | 1325 | Comment | ||
RSA0065387 | Danthonia californica | M. P. Harthill | 1972-6-17 | 834 | Lassen | Madeline. | 1676 | Comment | ||
POM172479 | Danthonia californica var. americana | Franklin P. Nutting | 1894-7-12 | s.n. | Lassen | Pine Creek | Comment | |||
CAS-BOT-BC192330 | Danthonia unispicata | John Thomas Howell; Gordon H. True; Wayne Dakan | 1974-7-30 | 50691 | Lassen | South and southeast of Diamond Mt. | 2286 | Comment | ||
CHSC66420 | Danthonia unispicata | Vernon H. Oswald; Lowell Ahart | 1996-6-17 | 7803 | 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 | ||
UC1609107 | Danthonia unispicata | Vernon H. Oswald and Lowell Ahart | 1993-6-28 | 5579 | Lassen | Harvey Valley Rd. (33N02) 0.2 mi n Hwy 44 (e side of valley, e of Poison Lake); Grays Valley | 1749 | Comment | ||
UCD61297 | Danthonia unispicata | F. C. Raney | 1966-6-25 | Lassen | Harvey Valley, Lassen National Forest. | Comment | ||||
CHSC48859 | Dasiphora fruticosa | Vernon Oswald | 1986-8-7 | 2270 | Lassen | Hwy 36, 12.6 mi e of the Lassen-Plumas County line, 0.8 mi e of Fredonyer Pass. Roadcut. | 1706 | Comment | ||
CAS-BOT-BC291777 | Deinandra lobbii | John Thomas Howell | 1934-7-3 | 12380 | Lassen | Big Valley near Bieber | Comment | |||
CHSC4983 | Delphinium andersonii | R. Clicquennoi | 1967-6-24 | 38 | Lassen | Meadow. 4 mi e of Eagle Lake Biology Station at Murrer's Upper Meadow. | 1524 | Comment | ||
CHSC67595 | Delphinium andersonii | James D. Jokerst | 1983-5-30 | 1794 | Lassen | Ca. 1.5 mi N of Eagle Lake, ca. 50 m W of Hwy. 139, ca. 1.0 mi N of Eagle Lake Rd. | Comment | |||
CHSC71132 | Delphinium andersonii | Vernon H. Oswald; Lowell Ahart | 1998-5-22 | 9125 | Lassen | Road to summit of Fort Sage Mtns. 2.7 mi east of Fort Sage Rd., ca. 5 mi NE of Doyle. | 1463 | 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 | ||
JEPS95130 | Delphinium andersonii | Vernon H. Oswald and Lowell Ahart | 1997-5-27 | 8511 | Lassen | n of Susanville (on Forest Rte 38N04 between Hwy 139 near Willow Creek Guard Station and Coyote Flat, 0.3 mi e of Hwy 139); Forest Rte 38N04 | 1560 | Comment | ||
SEINET5337963 | Delphinium andersonii | F. B. Headley | Unknown | s.n. | Lassen | Honeylake, Calif. | Comment | |||
CHSC6242 | Delphinium glaucum | A. Santos | 1946-6-20 | Lassen | Eagle Lake. Grasshopper Valley. | 1624 | Comment | |||
CAS-BOT-BC9943 | Delphinium nudicaule | H. D. Ripley; R. C. Barneby | 1943-6-14 | 5128 | Lassen | Fredonyer Pass | 1706 | Comment | ||
HSC27070 | Delphinium nudicaule | John Pratt | 1970-6-11 | 4 | Lassen | Fredonyer Pass | 1738 | Comment | ||
RSA398661 | Delphinium nudicaule | Christopher Davidson | 1975-6-6 | 2722 | Lassen | 3.9 miles from jct of county roads 204 and 205 on road 204 along Gold Run Creek, SW of Susanville. | 1395 | 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 | ||
UC1131416 | Deschampsia cespitosa | H. S. Yates | 1936-8-12 | 6087 | Lassen | Westwood Susanville Quad., Westwood | Comment | |||
CAS-BOT-BC194261 | Deschampsia cespitosa subsp. cespitosa | John Thomas Howell; Gordon H. True | 1973-8-1 | 50230 | Lassen | Headwaters of Boxter Creek, east slope of Diamond Range south of Susanville | 2133 | Comment | ||
POM114825 | Deschampsia cespitosa subsp. cespitosa | Marcus E. Jones | 1897-6-30 | s.n. | Lassen | Susanville, 4 miles below Eagle Lake. | 1524 | Comment | ||
UC1137794 | Deschampsia cespitosa subsp. cespitosa | George A. Fischer and Irwin H. Johnson | 1933-7-15 | F 244 | Lassen | Patterson Flat Lassen Forest, Patterson Flat | 1737 | Comment | ||
UC506928 | Deschampsia cespitosa subsp. cespitosa | George A. Fischer and Irwin H. Johnson | 1933-7-14 | F 244 | Lassen | Patterson Flat Lassen Forest, Patterson Flat | 1737 | Comment | ||
CAS-BOT-BC192740 | Deschampsia danthonioides | A. A. Beetle | 1941-6-28 | 2799 | Lassen | 10 miles west of Chester | Comment | |||
CHSC112783 | Deschampsia danthonioides | Lowell Ahart; John Dittes, Todd Sloat | 2013-6-8 | 18754 | Lassen | Drainage filled with dirt from the 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 | ||
CHSC117220 | Deschampsia danthonioides | Lowell Ahart; John Dittes | 2016-6-7 | 20994 | Lassen | West of pond, 110 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 | ||
HSC100183 | Deschampsia danthonioides | J. P. Smith, J. O. Sawyer | 2011-8-15 | 13379 | Lassen | Along Hwy. 36 at the intersection with the Bizz Johnson Trailhead Road. | Comment | |||
UC1024884 | Deschampsia danthonioides | Leo Whitney | 1935-5-26 | 3137 | Lassen | 10 mi. e. Adin (Ash Creek); Ash Creek | Comment | |||
UCD61878 | Deschampsia danthonioides | A. A. Beetle | 1941-6-28 | 2799 | Lassen | 10 miles W of Chester. | 1524 | Comment | ||
UCD62514 | Deschampsia danthonioides | L. Whitney | 1935-6-20 | 3251 | Lassen | Camp 10, Fruit Grower's Supply Company, Lassen National Forest. | 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 | |||
UC53606 | Deschampsia elongata | M. S. Baker and Frank Nutting | 1894-7-5 | Lassen | Davis Creek | Comment | ||||
CHSC7706 | Descurainia incana | Beverley J. Wise | 1969-4-29 | 38 | Lassen | 3.4 mi. north of Susanville on Rnd Valley Rd off Hwy 139. | 1371 | Comment | ||
CHSC106682 | Descurainia paradisa | B. Ignacio | 2008-5-3 | Lassen | Fort Sage Mountains. | 1520 | Comment | |||
CHSC25061 | Descurainia pinnata | L. B. Barlow | 1967-6-23 | 7 | Lassen | Vic. Eagle Lake Biological Station, east central side of Eagle Lake. | 1554 | Comment | ||
CDA43000 | Descurainia sophia | L. Ahart, John Dittes | 2008-6-2 | 14912 | 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. | Comment Read comments Oct 5 2019 |
|||
CHSC93563 | Descurainia sophia | Lowell Ahart; John Dittes | 2005-6-2 | 11925 A | Lassen | Long Valley, 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 | ||
RSA0035397 | Descurainia sophia | Lowell Ahart, John Dittes | 2008-6-20 | 14912 | 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 | ||
JEPS25534 | Dichelostemma multiflorum | Rimo Bacigalupi with Lincoln Constance | 1959-6-16 | 7148 | Lassen | 3.7 mi s Susanville to Adin road junction with road to Bieber (along county road from Susanville to Adin) | 1615 | Comment | ||
UCD21046 | Dieteria canescens | E. Bortiri | 2002-7-19 | WFC 82 | Lassen | Poison Lake, in pine forest on side of road, Lassen NF, off Hwy 44 | Comment | |||
CAS-BOT-BC299811 | Dieteria canescens var. canescens | Mrs. H. C. Cantelow | 1940-10-5 | s.n. | Lassen | About 1 1/2 mi. N.W. of Johnstonville, east of Sierra Nevada Mts. | Comment | |||
CHSC14068 | Dieteria canescens var. canescens | K . R. Stern; D. B. Joley, J. G. Geschke | 1974-6-22 | 5817 | Lassen | Ca. 16.5 mi w of Madeline, on Madeline-Adin Road. | 1548 | Comment | ||
SFV18616 | Dieteria canescens var. shastensis | T. W. Nelson, J. P. Nelson | 1990-7-14 | 8773 | Lassen | Bogard rest area. | 1730 | 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 | ||
CHSC23562 | Diplacus mephiticus | W. O. Baum | 1971-7-9 | 27 | Lassen | S and e slopes of Gallatin Peak. | 2042 | Comment | ||
CHSC5000 | Diplacus mephiticus | K. C. Newman | 1967-7-1 | 58 | Lassen | Collected ca. 3 mi NW of ELBS on the other side of the lake along rd to Spauldings. | 1554 | Comment | ||
SEINET13714183 | Diplacus mephiticus | M. J. Williams | 1974-7-26 | 74 -L-35 | Lassen | S of Hwy 70, 2 miles W of Hallelujah Junction. | 1494 | Comment | ||
CAS-BOT-BC151431 | Diplacus nanus | A. M. Vollmer; L. Beane | 1953-7-1 | 104 | Lassen | Along Halls Flat Road, beginning 6 miles wet of Susanville to McArthur | 1554 | Comment | ||
CAS-BOT-BC154008 | Diplacus torreyi | Ira L. Wiggins; Dorothy B. Wiggins | 1961-6-10 | 16316 | Lassen | 2 miles E of Plumas-Lassen County line, along California Highway 36, near Westwood | Comment | |||
CAS-BOT-BC208725 | Distichlis spicata | A. A. Beetle | 1941-6-28 | 2807 | Lassen | 6 miles south of Ravendale, lower slopes of Observation Peak | Comment | |||
CAS-BOT-BC208726 | Distichlis spicata | Malcom A. Nobs; S. Galen Smith | 1949-7-22 | 1069 | Lassen | Northeast shore of Eagle Lake on drying shore. | Comment | |||
CAS-BOT-BC208727 | Distichlis spicata | John Thomas Howell | 1973-7-10 | 49764 | Lassen | Near Westwood - Sierra Nevada | 1554 | Comment | ||
JEPS123846 | Distichlis spicata | Lowell Ahart, John Dittes | 2015-7-14 | 20333 | Lassen | About 4 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7 miles (air) northeast of Bieber. | Comment | |||
CHSC7735 | Dodecatheon alpinum | Beverley J. Wise | 1969-4-20 | 82 | Lassen | 14.7 mi. north of Susanville on Hwy 139. | 1463 | Comment | ||
UC444833 | Dodecatheon alpinum | Franklin P. Nutting | Lassen | Pine Creek Northern California, Pine Creek | Comment | |||||
UC1553397 | Dodecatheon conjugens | G. Schoolcraft | 1988-4-25 | 1783 | Lassen | Ash Valley RNA/ACEC 16 mi e Adin; Ash Valley RNA/ACEC e of Adin | 1554 | Comment | ||
UC1609465 | Dodecatheon conjugens | Vernon H. Oswald and Lowell Ahart | 1993-5-12 | 5381 | Lassen | Forest Rd. 32N08 to Crater Lake 0.5 mi ne Hwy 44 (between A21 (to Westwood) and Poison Lake, edge of meadowy opening along creek); Pine Creek | 1737 | Comment | ||
UC1951077 | Dodecatheon conjugens | Debra Valov | 2009-4-25 | 2009014 | Lassen | Bieber; property on south side of County A2 c. 5.4 mi east of Hwy 299 | Comment | |||
UC1137648 | Dodecatheon pulchellum | A. Simontacchi | 1940-5-10 | 695 | Lassen | 4.4 mi sse of B.M. 7310 on Blacks Mtn; Lassen National Forest, Halls Flat Quad. | Comment | |||
JEPS120905 | Downingia bacigalupii | Lowell Ahart, John Dittes, Todd Sloat | 2013-6-8 | 18738 | Lassen | About 30 yards N of the 4 tall poles, Ash Creek State Wildlife Area, about 5.5 air miles NE of Bieber, Big Valley. | Comment | |||
JEPS127713 | Downingia bacigalupii | Alejandro Brambila, Michael Dolan | 2016-7-20 | CA 320 -168 | Lassen | Portuguese Flat Road North. | Comment | |||
RSA436116 | Downingia bacigalupii | Rockwell | 1925-7-1 | s.n. | Lassen | Eagle Lake | Comment | |||
UC1483852 | Downingia bacigalupii | G. Schoolcraft | 1980-7-15 | 313 | Lassen | n end Nelson Corral Reservoir | 1804 | Comment | ||
CHSC30606 | Downingia bicornuta | T. M. Lane | 1975-6-23 | 28 | Lassen | 50 m n of spring headwaters of Willow Cr; 3.2 km ese of Eagle Lake Field Station; 22.4 km n of Susanville. | 1589 | Comment | ||
CHSC59527 | Downingia bicornuta | Mary Meyer | 1980-7-9 | 506 | Lassen | Horse Camp Springs, down-stream in cow pod. | 1706 | Comment | ||
JEPS22793 | Downingia bicornuta var. bicornuta | August L. Hormay | 1934-5-15 | Lassen | 1 mi ne Halls Flat Railroad Station (on the Keddie-Nubieber (freight) branch of the W.P.R.R.) | 1554 | Comment | |||
UC28984 | Downingia bicornuta var. bicornuta | J. Burtt Davy | Jun 17 1897-Jun 24 1897 | 3348 | Lassen | Honey Lake Valley | Comment | |||
SFV3644 | Downingia elegans | I. L. Wiggins, D. B. Wiggins | 1961-6-16 | 16532 | Lassen | Dry, roadside swale in Big Valley, 2.5 miles east of Modoc-Lassen County liine. | 1280 | Comment | ||
SEINET12329657 | Downingia elegans | N. H. Holmgren, Holmgren, P. K. | 1978-1 | 8902 | Lassen | Madeline Plains, Coyote flat, 14.5 km (9 mi.) east-northeast of Termo and 13 km (8 mi.) airline | 1630 | Comment | ||
UC614648 | Downingia insignis | L. Constance | 1938-6-11 | 2328 | Lassen | Litchfield, overflow of the Susan River Susan River | 1219 | Comment | ||
SEINET10702760 | Downingia insignis | David B. Dunn | 1956-7-3 | Dunn 11924 | Lassen | Alkaline sink by roadside, extra runoff from Hwy. 395. 11 mi. S of Madeline. | Comment | |||
CHSC99496 | Downingia laeta | Lowell Ahart; John Dittes | 2008-6-20 | 14928 | Lassen | Bottom of 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 | ||
POM68166 | Downingia laeta | Marcus E. Jones | 1897-6-24 | s.n. | Lassen | 10 to 15 miles west from Amedee. | 1220 | Comment | ||
RSA530016 | Downingia laeta | D. W. Taylor, Clifton, Palmer, Buck | 1988-6-6 | 9005 | Lassen | Big Valley; road from Bieber to Lookout, 0.5 miles south of the Modoc County Line. | 1250 | Comment | ||
CAS-BOT-BC41952 | Draba albertina | John Thomas Howell | 1934-6-30 | 12132 | Lassen | Warner Mountains. Near Lost Lake. | 2438 | Comment | ||
SEINET10481008 | Draba aurea | John G. Lemmon | Lemmon s.n. | Lassen | Lassen's peak in volcanic ashes, CA. | Comment | ||||
JEPS94484 | Draba verna | Vernon H. Oswald and Lowell Ahart | 1997-5-27 | 8522 | Lassen | 3.6 mi ne of Highway 139 (small impoundment on Coyote Flat Draw crossing Forest Route 38N04, between Hwy 139 near Willow Creek Guard Station and Coyote Flat); Coyote Flat Draw crossing Forest Route 38N04 | 1731 | Comment | ||
UC1951080 | Draba verna | Debra Valov | 2009-4-24 | 2009011 | Lassen | Bieber; property on south side of County A2 c. 5.4 mi east of Hwy 299 | Comment | |||
CHSC61140 | Draba verna var. aestivalis | Vernon H. Oswald; Lowell Ahart | 1993-5-12 | 5391 | Lassen | Butte Lake Rd., 1.4 mi S of Hwy. 44, between Old Station and Poison Lake. Along the road. | 1652 | 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 | ||
JEPS118282 | 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 | ||
CHSC65308 | Drosera anglica | Vernon H. Oswald; Beth Corbin, Mike Dolan | 1995-8-26 | 7216 | Lassen | Warner Mtns. Blue Lake located ca. 13 mi SE of Lik ... Field redacted by CHSC, contact the data manager for more information | 1859 | Comment | ||
JEPS97330 | Drosera anglica | Vernon H. Oswald | 1995-8-21 | 7216 | Lassen | T38N R15E Sec. 20, 6100 ft, Warner Mtns., Fresh-water Marsh in Yellow Pine Forest. Blue Lake located ca. 13 mi SE of Likely | 1859 | Comment | ||
CAS-BOT-BC527338 | Drymocallis glandulosa var. reflexa | John Thomas Howell | 1977-6-22 | 52405 | Lassen | West of Susanville near the confluence of Willard Creek and Susan River, Sierra Nevada | 1432 | 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 | ||
UC1028268 | Drymocallis lactea var. austiniae | A. Simontacchi | 1940-6-6 | 825 | Lassen | 9.3 mi se Nigger Cabin; Lassen National Forest, Halls Flat Quad. | Comment Read comments Oct 7 2008 |
|||
CHSC27594 | Dysphania botrys | George Deniso | 1978-7-22 | 85 | Lassen | E shore of Eagle L., in basalt rock and cattle manure, several ft S of Little Traxel Pt. | 1584 | Comment | ||
JEPS120897 | Elatine | Lowell Ahart, John Dittes, Todd Sloat | 2013-6-8 | 18752 | Lassen | Near pond, about 80 yards N of the 4 tall poles, Ash Creek State Wildlife Area, about 5.5 air miles NE of Bieber, Big Valley. | Comment | |||
JEPS121283 | Elatine | Lowell Ahart, John Dittes | 2013-7-22 | 18882 | 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 | |||
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 | ||
CHSC112770 | Eleocharis acicularis | Lowell Ahart; John Dittes | 2013-7-22 | 18880 | 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 | ||
JEPS28331 | Eleocharis acicularis | George W. Gillett | 1957-7-22 | 878 | Lassen | Snag Lake Lassen Volcanic National Park (margin of gravel bars along s shore) | 1844 | Comment | ||
JEPS28332 | Eleocharis acicularis | George W. Gillett | 1957-7-28 | 933 | Lassen | Widow Lake Lassen Volcanic National Park (shore) | 2072 | Comment | ||
CHSC66272 | Eleocharis bella | Vernon H. Oswald | 1996-6-24 | 7851 | Lassen | Papoose Meadows located ca. 0.5 mi E of Eagle Lake Rd. (A1) and 2.5 mi S of Eagle Lake. Modoc Plateau. On the W side of the meadow just S of the cabins. | 1633 | Comment | ||
CHSC60450 | Eleocharis macrostachya | Mary Ann Showers | 1992-6-13 | 2555 | Lassen | Lassen Volcanic National Park. Shoreline at western end of Widow Lake. | 2072 | Comment | ||
UCD55301 | Eleocharis macrostachya | Ellen Dean; Gary Schoolcraft | 2006-5-16 | 3130 | 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 | ||
SEINET7586406 | Eleocharis montevidensis | Unknown | 1969-9-6 | 39258 | Lassen | Along Long Valley Creek, c 14 mi SE of Milford. | 1311 | Comment | ||
RSA127038 | Eleocharis quinqueflora | Robert W. Gardner | 1939-6-15 | G- 36 | Lassen | Little Harvey Valley | 1700 | Comment | ||
HSC10943 | Elymus X hansenii | M. T. Milligan | 1964-8-6 | 210 | Lassen | Eagle Lake, near shore at Eagle Lake General Store. | 1677 | Comment | ||
RSA647554 | Elymus X hansenii | Marion P. Harthill | 1972-6-17 | 813 | Lassen | Ravendale | Comment | |||
JEPS127354 | Elymus caput-medusae | Lowell Ahart, John Dittes | 2016-7-13 | 21145 | 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 | |||
SD71040 | Elymus caput-medusae | Leo E. Wheeler | 1960-6-15 | Lassen | edge of valley plain, ca. 4 mi. se. of Susanville | 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 | |||
SEINET10521741 | Elymus cinereus | Paul Gallian, David B. Dunn | 1971-6-2 | Gallian 490 | Lassen | 5 mi. S. of Milford near Honey Lake on U.S. Hwy 395; along roadside in grass - Artemesia tridentata assoc.; Quercus - Jeffrey Pine on mountain range to west at approximately the same altitude. | 1250 | Comment | ||
CAS-BOT-BC227491 | Elymus elymoides | G. Schoolcraft | 1989-6-19 | 1917 | Lassen | Ash Valley RNA/ACEC | Comment | |||
JEPS122360 | Elymus elymoides | Joseph Broberg, Jaycee Leonard | 2012-7-31 | CA 320 -117 | Lassen | From Alturas head south on Highway 395. At the town of Termo turn left onto Juniper Ridge road. Then turn left into the Mendibourne wildlife game management area. Collection is across a fence in BLM land | Comment | |||
RSA152628 | Elymus elymoides | I. L. Wiggins, Dorothy Wiggins | 1961-6-11 | 16343 | Lassen | 13.5 mi. E. of Susanville | Comment | |||
SEINET10527886 | Elymus elymoides | Paul Gallian, David B. Dunn | 1971-6-2 | Gallian 515 | Lassen | 6 mi N of Hallelujah Jct on US hwy 395, in Artemesia tridentata, Jeffery pine, along high ridge & in sandy wash. | 1402 | Comment | ||
CHSC5256 | Elymus elymoides subsp. elymoides | P. Balch | 1955-7-23 | Lassen | Stafford's Eagle Lake Resort. | 1569 | Comment | |||
CHSC7687 | Elymus elymoides subsp. elymoides | Beverley J. Wise | 1969-5-23 | 136 | Lassen | 34.5 mi. S.E. of Susanville on Las. Co. Rd. 320. | 1249 | Comment | ||
UC1136931 | Elymus elymoides subsp. elymoides | L. R. Short and J. Warren | 1936-6-29 | S- 461 | Lassen | Burgess Spr. Exp. Range Lassen <National> Forest | 1820 | 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 | |||
CDA31743 | Elymus glaucus | A. A. Beetle | 1941-6-28 | 2803 | Lassen | Near Route 36, 10 miles west of Chester | 0 | Comment | ||
CHSC112796 | Elymus glaucus | Lowell Ahart; John Dittes | 2013-7-23 | 18893 | Lassen | About 30 feet northeast of the four tall poles, Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. | 1267 | Comment | ||
CAS-BOT-BC206732 | Elymus glaucus subsp. glaucus | John Thomas Howell | 1976-7-19 | 51977 | Lassen | Gold Run Creek southwest of Susanville - Sierra Nevada | 1386 | Comment | ||
CAS-BOT-BC234094 | Elymus multisetus | John Thomas Howell; Gordon H. True; Margaret Williams | 1973-6-28 | 49447 | Lassen | Elysian Valley west of Janesville, Sierra Nevada | 1325 | Comment | ||
JEPS127708 | Elymus spicatus | Alejandro Brambila, Michael Dolan | 2016-7-13 | CA 320 -161 | Lassen | Juniper Ridge Road, before split with Juniper Tree Road. Population North of road. | Comment | |||
UCD51690 | Elymus spicatus | John Thomas Howell | 1976-7-20 | 52002 | Lassen | about 5 miles west of Fredonyer Pass near confluence of Susan River and Willard Creek. | 1432 | Comment | ||
UCR17282 | Elymus spicatus | Frank C. Vasek | 1975-7-11 | 750711- 32 | Lassen | Modoc National Forest, Hayden Hill Road c. 0.75-1.0 mi SW of Calif. Hwy 139 | 1829 | Comment | ||
UCD62664 | Elymus trachycaulus | L. Whitney | 1935-6-24 | Lassen | Squaw Valley. | Comment | ||||
CHSC92829 | Elymus trachycaulus subsp. subsecundus | Lowell Ahart; John Dittes | 2005-6-1 | 11880 | Lassen | Near springs on a small hill, about 3/4 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. | 1470 | Comment | ||
SEINET12757019 | Elymus triticoides | B. L. Wilson, D. Lytjen, N. Otting | 2005-7-29 | 11527 | Lassen | Smith Flat on Cedar Creek, 6 or 7 miles E of Madeline, N of County Road 510; Blue Door Flat. | 1692 | Comment | ||
CDA2041 | Elytrigia elongata | T. C. Fuller | 1963-7-15 | 10887 | Lassen | South of road to Little Valley, 2.9 miles southeast of Pittville. | 0 | Comment | ||
CHSC30602 | Ephedra viridis | L. J. Dawson | 1975-7-7 | 43 | Lassen | 6 mi from Hwy. 395 on Ravensdale Road. | 1584 | Comment | ||
SEINET12541858 | Epilobium brachycarpum | C. G. Gulling | 1905-1 | s.n. | Lassen | Big Meadows. | Comment | |||
CHSC106066 | Epilobium campestre | Lowell Ahart; John Dittes | 2010-7-31 | 16996 | 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 | ||
CHSC27715 | Epilobium campestre | Robert A. Schlising | 1978-7-6 | 3310 | Lassen | Dry Lake, SE of Eagle Lake. | 1645 | Comment | ||
UC764398 | Epilobium campestre | R. F. Hoover | 1940-9-21 | 4602 | Lassen | 4 mi w Susanville | Comment | |||
CHSC112448 | Epilobium ciliatum subsp. ciliatum | Lowell Ahart; John Dittes, Todd Sloat | 2013-6-8 | 18740 | 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 | ||
CHSC113008 | Epilobium ciliatum subsp. ciliatum | Lowell Ahart; John Dittes | 2013-7-22 | 18856 | 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 | ||
UC1583987 | Epilobium ciliatum subsp. ciliatum | G. Schoolcraft | 1990-7-11 | 2108 | Lassen | n Moon Lake (at reservoir edge); McCabe Spring | 1669 | Comment | ||
NY1001473 | Epilobium ciliatum var. ciliatum | V. E. Grant | 1947-9-6 | 8388 | Lassen | Irrigation ditch west of Fleming Ranch headquarters, near Wendel | Comment | |||
CHSC59090 | Epilobium glaberrimum subsp. glaberrimum | Vernon H. Oswald; Lowell Ahart | 1992-8-25 | 5183 | Lassen | Lassen Volcanic National Park. Grassy Creek at the S end of Snag Lake. Bottom of a cutbank of the creek where it enters the lake. | 1853 | Comment | ||
CHSC63405 | Epilobium hallianum | Vernon H. Oswald; Beth Corbin, Michael Dolan | 1994-6-18 | 6317 | Lassen | Cold Springs near Clarks Valley Rd. (Lassen 510) ca. 11 mi E of Madeline. In a meadow. | 1871 | Comment | ||
HSC26606 | Epilobium hallianum | D. H. Norris, Thomas W. Nelson, S. Dowty | 1971-6-22 | 19179 | Lassen | Harvey Valley near Cone Springs | Comment | |||
CHSC77220 | Epilobium oregonense | G. Schoolcraft | 1993-7-20 | 2330 | Lassen | About 1 mile s. of Boot Lake. Along creek. | 1950 | Comment | ||
UC1122349 | Epilobium pallidum | A. Simontacchi | 1940-6-5 | 853 | Lassen | 7.0 mi wnw Cones Headquarters; Lassen National Forest, Halls Flat Quadrangle | Comment | |||
RSA123008 | Epilobium paniculatum | L. R. Short, Wm. Gansberg | 1936-8-11 | S- 493 | Lassen | Lassen Forest, Burgess Spr. Exp. Range | 1747 | Comment | ||
RSA508633 | Epipactis gigantea | Mrs. R. M. Austin | 1880-8-3 | s.n. | Lassen | Mount Dyer | 1829 | Comment | ||
CHSC25739 | Equisetum arvense | John Steiner | 1977-6-30 | 82 | Lassen | Along Hat Creek at the n end of Paradise Meadow. Lassen Volcanic National Park. | 2134 | Comment | ||
CHSC27602 | Equisetum laevigatum | Jerry Snodgrass | 1978-7-8 | 58 | Lassen | Willard Creek, 2 mi S of Hwy 36 at Forest Service campsite. | 1499 | Comment | ||
JEPS88087 | Equisetum laevigatum | Vernon H. Oswald and Lowell Ahart | 1996-6-17 | 7820 | Lassen | ca. 7 mi w Susanville (Bizz Johnson Trail accessed at Devils Corral Trailhead off Hwy. 36, at 6 mi post of Devil's Corral Trailhead); Modoc Palteau | 1420 | Comment | ||
UC62615 | Equisetum laevigatum | Baker and Nutting | 1894-7-5 | Lassen | <Dixay> Valley | 1066 | Comment | |||
RSA26289 | Equisetum laevigatum | Alice Eastwood, J. T. Howell | 1940-6-11 | 7996 | Lassen | Bieber | Comment | |||
OBI76981 | Eremogone congesta | Anthony Baniaga | 2011-6-23 | 390 | Lassen | Lassen Natl Forest. Windy Gap Well vicinity. Harvey Mtn quad T32N R8e sec 6 NE of SW | 1675 | Comment | ||
JEPS124510 | Eremogone congesta | Lynne C. Carter | 1967-7-11 | 87 | Lassen | Willow Creek Campground, Modoc Natl. Forest, about 300 ft. up the ridge North of Ranger Station. | Comment | |||
CAS-BOT-BC174200 | Eremogone congesta var. congesta | David D. Keck; J. Clausen | 1935-6-24 | 3746 | Lassen | 2 mi. S. of Ravendale | 1464 | Comment | ||
NY1057003 | Eremogone congesta var. simulans | B. J. Ertter | 1987-6-16 | 7193 | Lassen | Skeedaddle Mountains on northeast side of Honey Lake; saddle on east side of Hot Springs Peak | 2195 | Comment | ||
RSA0057704 | Eremogone congesta var. subcongesta | Barbara Ertter | 1987-6-16 | 7193 | Lassen | Skeedaddle Mountains on NE side of Honey Lake; saddle on E side of Hot Springs Peak. | 2195 | Comment | ||
CAS-BOT-BC159992 | Eremothera boothii subsp. alyssoides | G. L. Stage | 1962-6-14 | 62 -131 | Lassen | 19 miles southeast of Ravendale | Comment | |||
SEINET4132785 | Eremothera boothii subsp. alyssoides | A. Tiehm | 1980-1 | 5754 | Lassen | North end of Honey Lake Valley, 2 air miles northwest of Wendel | 1231 | Comment | ||
CHSC64796 | Eremothera minor | Vernon H. Oswald | 1995-5-24 | 6766 | Lassen | Modoc Plateau. Wendel Rd. (Lassen 320) 5.0 mi e of Amedee Rd. at Wendel. On flat bordering the road. | 1219 | Comment | ||
SEINET14592139 | Eriastrum signatum | R. R. Halse | 2004-7-21 | 6669 | Lassen | At junction of US Hwy 395 and State Road A 26, ca 11 miles SE of Milford. | 1274 | Comment | ||
UC23545 | Eriastrum signatum | J. Burtt Davy | Jun 17 1897-Jun 24 1897 | 3408 | Lassen | Amedee Honey Lake Valley | Comment | |||
UC526132 | Eriastrum signatum | John Thomas Howell | 1934-6-10 | 11840 | Lassen | near Plumas Junction | Comment | |||
CDA39986 | Eriastrum signatum | T. C. Fuller | 1980-8-6 | 20323 | Lassen | 0.2 km south of Smoke Creek Ranch Road, 2 km west of the state line, 28.8 km (18.6 miles) northeast of Highway 395, northeast of Ravendale. | 0 | Comment | ||
JEPS116750 | Eriastrum signatum | David Gowen | 2006-8-2 | 656 | Lassen | Hallelujah Junction along frontage road on east side of Hwy 395. | Comment | |||
RSA0125157 | Eriastrum signatum | Reino Alava | 1957-7-5 | 1138 | Lassen | Along Highway no. 395, 4.25 miles S of Ravendale. | Comment | |||
CAS-BOT-BC286602 | Ericameria bloomeri | G. Schoolcraft | 1987-9-1 | 1770 | Lassen | About midway up N. slope of Observation Mtn. along road | 2072 | Comment | ||
CAS-BOT-BC298172 | Ericameria nauseosa var. oreophila | C. B. Wolf | 1931-9-6 | 2403 | Lassen | Honey Lake Valley, 3 miles from Wendel on the road to Janesville | 1219 | Comment | ||
JEPS21524 | Ericameria nauseosa var. oreophila | W. L. Jepson | 1918-8-4 | 7808 | Lassen | Horse Lake | 1554 | Comment | ||
UCD54569 | Ericameria nauseosa var. oreophila | Ellen Dean; Dawn Cunningham | 2005-10-25 | 2752 | Lassen | East of the town of Susanville. Property N of California Correctional Facility. | 1248 | Comment | ||
JEPS21495 | Ericameria nauseosa var. speciosa | R. F. Hoover | 1940-9-27 | 4628 | Lassen | Susanville | Comment | |||
UC773959 | Ericameria nauseosa var. speciosa | L. R. Short | 1936-9-14 | S- 503 | Lassen | Burgess Spring Experiment Range Lassen Forest | 1761 | 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 | ||
SEINET201631 | Erigeron aphanactis | A. Cronquist, AH Holmgren | 1959-6-17 | 8466 | Lassen | 50 mi SE of Susanville | 1372 | Comment | ||
JEPS80681 | Erigeron bloomeri | L. R. Heckard and T. I. Chuang | 1981-6-10 | 5532 | Lassen | North Eagle Lake Campground Eagle Lake (nw corner of lake) | 1524 | Comment | ||
CAS-BOT-BC294489 | Erigeron bloomeri var. bloomeri | Ralph K. Gierisch | 1968-7-11 | 3343 | Lassen | Lassen National Forest. Harvey Valley | 1676 | Comment | ||
CHSC68733 | Erigeron bloomeri var. bloomeri | Vernon H. Oswald; Lowell Ahart | 1997-5-27 | 8486 | Lassen | East side of Hwy. 139 at a small farm pond 38.2 mi north of Susanville, 7.4 mi north of Eagle Lake Rd. | 1627 | Comment | ||
JEPS114758 | Erigeron bloomeri var. bloomeri | Lowell Ahart, John Dittes | 2008-6-19 | 14894 | 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 | ||
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 | ||
CAS-BOT-BC296847 | Erigeron divergens | John Thomas Howell; Alice Eastwood | 1940-6-16 | 8340 | Lassen | Janesville | Comment | |||
CHSC66373 | Erigeron divergens | Vernon H. Oswald; Lowell Ahart | 1996-6-17 | 7808 | Lassen | Modoc Plateau. Bizz Johnson Trail accessed at Devils Corral Trailhead located off of Hwy. 36 ca. 7 mi W of Susanville. On the edge of the Susan River E of Devils Corral Trailhead and W of the 6.0 mile post. | 1402 | Comment | ||
CHSC75455 | Erigeron divergens | Vernon H. Oswald; Lowell Ahart | 1999-6-9 | 9748 | Lassen | Northeast of Susanville on County Rd. 216 at Biscar Wildlife Management Area. Below the dam of the reservoir. | 1353 | Comment | ||
JEPS97306 | Erigeron divergens | Vernon H. Oswald and L. Ahart | 1995-8-14 | 7193 | Lassen | T33N R14E NE1/4 Sec. 10, 5500 ft, Modoc Plateau, Sagebrush Scrub. Horse Lake Rd. (Lassen 536) 2.5 mi W of Hwy. 395 at a small intermittent stream, N of Susanville | 1676 | Comment | ||
UC1924238 | Erigeron divergens | Debra Valov | 2004-6-8 | 2004246 | Lassen | Bieber; off County A2 c. 8 km east of Hwy 299 | 1271 | Comment | ||
CAS-BOT-BC296846 | Erigeron divergens | John Thomas Howell | 1973-7-10 | 49773 | Lassen | Near Westwood, Sierra Nevada | 1554 | Comment | ||
CAS-BOT-BC300371 | Erigeron eatonii var. plantagineus | B. Bartholomew; B. Anderson | 1988-6-25 | 4374 | Lassen | Long Valley, southern end of the Warner Mountains | 2080 | Comment | ||
CHSC89752 | Erigeron eatonii var. plantagineus | L. P. Janeway | 2004-6-26 | 8156 | 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 | ||
POM32997 | Erigeron eatonii var. plantagineus | Marcus E. Jones | 1897-6-30 | s.n. | Lassen | Eagle Lake, 27 miles from Susanville. | 1524 | Comment | ||
UC87694 | Erigeron filifolius | T. S. Brandegee | 1892-6-26 | Lassen | Milford | Comment | ||||
JEPS109853 | Erigeron inornatus var. calidipetris | Dean W. Taylor | 2006-6-29 | 19558 | Lassen | vicinity Long Lake; Highway 44 at the junction of County Road A21, southwest quadrant, near the junction with Forest Road 31N89 | 1737 | Comment | ||
UC2027204 | Erigeron inornatus var. calidipetris | Anthony Baniaga | 2011-8-3 | 485 | Lassen | Lassen National Forest. N of 30N61, W of A21. Swain Mountain quadrangle | Comment | |||
CHSC92960 | Erigeron inornatus var. inornatus | L. P. Janeway | 2005-8-27 | 8521 | Lassen | High Cascade Range. Along Road 22, 2.1 road km west of its beginning/end at Road 35N05 in Little Valley. | 1415 | Comment | ||
RSA712921 | Erigeron inornatus var. inornatus | L. P. Janeway | 2005-8-27 | 8522 | Lassen | High Cascade Range. Along Road 22, 11.3 road km east of Little Valley; above Davis Creek. | 1460 | Comment | ||
RSA719702 | Erigeron inornatus var. inornatus | Michael A. Vincent, K. Levings | 2006-7-29 | 12910 | Lassen | Along Rt. 36, 14.3 miles west of Susanville. | Comment Read comments Feb 21 2013 |
|||
SEINET5708487 | Erigeron inornatus var. inornatus | Lowell E. Urbatsch, Vesna Karaman, Castro | 2000-1 | 7715 | Lassen | Grasshopper Valley. Collected along CA 139.; Grasshopper Valley | 1586 | Comment | ||
CHSC77195 | Erigeron nevadincola | G. Schoolcraft | 1998-6-30 | Lassen | N. slope of Ft. Sage Mtns. | 1950 | Comment | |||
CAS-BOT-BC295959 | Erigeron philadelphicus | Marcus E. Jones | 1897-6-30 | s.n. | Lassen | Susanville, 4 miles below Eagle Lake | 1524 | 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 | |||
JEPS94532 | Erigeron pumilus var. intermedius | Vernon Oswald and Lowell Ahart | 1997-6-24 | 8648 | Lassen | s of Susanville (at the small pond on the crest of Diamond Mountain, about midway between Aspen Flat and Red Rock Lookout); crest of Diamond Mountain | 2249 | Comment | ||
UC1609097 | Erigeron pumilus var. intermedius | Vernon H. Oswald and Lowell Ahart | 1993-6-28 | 5578 | Lassen | Harvey Valley Rd (33N02) 0.2 mi n Hwy 44 (e side of valley, e of Poison Lake); Grays Valley | 1749 | Comment | ||
CAS-BOT-BC300117 | Erigeron pumilus var. intermedius | Gary Schoolcraft | 1989-6-19 | 1916 | Lassen | Ash Valley RWA/ACEC | Comment | |||
CAS-BOT-BC255400 | Eriogonum | Mike Vasey | 1990-6-30 | 9061 | Lassen | Ash Valley, along primitive road south of junction of Ash Valley Road and Spooner Raod, Modoc National Forest | 1500 | Comment | ||
NY243318 | Eriogonum baileyi | G. Schoolcraft | 1985-7-29 | 1490 | Lassen | Western slopes of Ft. Sage Mtns. | 1402.1 | Comment | ||
UC1409081 | Eriogonum baileyi var. baileyi | R. F. Thorne and C. W. Tilforth | 1969-9-6 | 39260 | Lassen | ca. 0.7 mi se along Hwy 395 Milford (w of Honey Lake) | 1280 | Comment | ||
UC762657 | Eriogonum baileyi var. baileyi | R. F. Hoover | 1940-10-5 | 4672 | Lassen | Pass between Shaffer Mt. and Warren Peak | Comment | |||
UCR67382 | Eriogonum baileyi var. baileyi | George K. Helmkamp | 1990-10-4 | M 9 A | Lassen | Eastern Sierra Nevada Mountains, Plumas National Forest, south of Susanville, north of Milford Pass | 1463 | Comment | ||
RSA79264 | Eriogonum baileyi var. baileyi | E. K. Balls, Percy C. Everett | 1952-10-10 | 18139 | Lassen | 5.5 miles NE of Litchfield, Hwy 395, between Susanville and Alturas | 1280 | Comment | ||
NY242927 | Eriogonum caespitosum | B. M. Bartholomew | 1993-5-13 | 6567 | Lassen | U.S. Hwy 395 1.3 km S of railroad crossing and 12.9 km N of Litchfield. | 1330 | Comment | ||
CAS-BOT-BC241831 | Eriogonum caespitosum | A. A. Heller | 1938-6-23 | 15216 | Lassen | On U. S. Highway #395, south of Ravendale | Comment | |||
CHSC23494 | Eriogonum douglasii var. meridionale | K. R. Stern | 1974-6-26 | 5866 | Lassen | E end of Champs Flat. | Comment | |||
UC1736000 | Eriogonum douglasii var. meridionale | Dean W. Taylor | 1992-5-7 | 12544 | Lassen | Willow Creek drainage, ca. 0.4 road miles from Highway 139 on road to Smith Flat, | 1524 | Comment | ||
CAS-BOT-BC246510 | Eriogonum elatum var. elatum | John Thomas Howell; Gordon H. True; Wayne Dakan | 1974-7-30 | 50666 | Lassen | Summit ridge of Diamond Mt. | 2346 | Comment | ||
RSA125289 | Eriogonum maculatum | Peter H. Raven, Otto T. Solbrig | 1958-6-17 | 13271 | Lassen | Along U.S. Highway 395, 19.0 miles south of Ravendale. | Comment | |||
CAS-BOT-BC263048 | Eriogonum maculatum | Peter H. Raven; Otto T. Solbrig | 1958-6-17 | 13271 | Lassen | Along United States Highway 395, 19.0 miles south of Ravendale | Comment | |||
RSA78919 | Eriogonum microtheca var. ambiguum | E. K. Balls, Percy C. Everett | 1952-10-10 | 18143 | Lassen | 8 mi. SE of Ravendale, Hwy 395, Susanville to Alturas. | 1280 | Comment | ||
UC585235 | Eriogonum microthecum var. laxiflorum | E. B. Babcock, G. L. Stebbins Jr. | 1936-6-7 | 1753 | Lassen | nw facing slope of ridge e Red Rock | 1600 | Comment | ||
CAS-BOT-BC261445 | Eriogonum nudum var. nudum | Clare B. Hardham | 1969-8-28 | 17442 | Lassen | West of Janesville | Comment | |||
OBI76957 | Eriogonum nudum var. nudum | Anthony Baniaga | 2011-7-5 | 420 | Lassen | Lassen Natl Forest, e of Willard Crk. Fredonyer Pass quad. T29NR10E sec 25 NE of NW | 1485 | 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 | ||
JEPS56616 | Eriogonum nudum var. pubiflorum | Joseph Grinnell | 1928-6-26 | Lassen | Cinder Cone | 2103 | Comment | |||
SEINET530683 | Eriogonum nummulare | Paul Opler | 2007-7-7 | Lassen | N end Turtle Mountain. | 1288 | Comment | |||
SEINET5330981 | Eriogonum nummulare | A. Tiehm | 1978-1 | 4767 | Lassen | 7.2 road miles NE of Doyle on road 327 to Flanigan. About 1.7 miles W of the Nevada line | 1524 | Comment | ||
POM105327 | Eriogonum ochrocephalum var. ochrocephalum | Marcus E. Jones | 1897-6-28 | s.n. | Lassen | Diamond Mountain; Susanville; Perkin's Ranch. | 1829 | Comment | ||
CHSC114416 | Eriogonum ovalifolium var. depressum | Don Lepley | 2012-7-26 | Lassen | Windy Hollow, west of Highway 44 about three miles southeast of Bogard Rest Area. (plants also in Section 14 and probably Sec. 15 of T31N R08E) | 1722 | 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 | ||
HSC63563 | Eriogonum prociduum | Thomas W. Nelson, Jane P. Nelson | 1980-7-6 | 6004 | Lassen | Along Adin-Madelin Rd., 16 mi. E of Adin in Ash Valley | 1555 | Comment | ||
CAS-BOT-BC258146 | Eriogonum prociduum var. prociduum | E. K. Balls | 1950-5-19 | 14780 | Lassen | 16.5 miles W. of Madeline on rd. from Adin | 1676 | Comment | ||
CHSC68901 | Eriogonum spergulinum var. reddingianum | Vernon Oswald; Lowell Ahart | 1997-6-24 | 8596 | Lassen | South of Susanville on the north side of Diamond Mtn. on Forest Rd. 29N43, 1.2 miles east of Gold Run Rd. (29N10). Along the edge of the road. | 1685 | Comment | ||
UC1032335 | Eriogonum spergulinum var. reddingianum | A. Simontacchi | 1940-6-5 | 811 | Lassen | 3.9 mi nw Cone Mt.; Lassen National Forest, Halls Flat Quadrangle | Comment | |||
SBBG65541 | Eriogonum sphaerocephalum | S. W. Hutchinson | -Jun-1925 | 856 | Lassen | Eagle Lake | 1584 | Comment | ||
CAS-BOT-BC271960 | Eriogonum sphaerocephalum var. halimioides | B. J. Hammerly | 1941-6-21 | 46 | Lassen | 8 mi. SE. of Likely on Blue Lake Road | Comment | |||
CHSC25314 | Eriogonum sphaerocephalum var. halimioides | Pauleen Broyles | 1977-6-1 | 165 | Lassen | Spencer Basin, 8 km n of Herlong. | 1770 | 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 | ||
RSA700235 | Eriogonum sphaerocephalum var. halimioides | L. P. Janeway | 2001-6-20 | 7200 | 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 | ||
CHSC1330 | Eriogonum sphaerocephalum var. sphaerocephalum | V. Holt | 1946-6-17 | Lassen | Mt. Fredonyer. | 2377 | Comment | |||
UC726566 | Eriogonum sphaerocephalum var. sphaerocephalum | A. A. Heller | 1938-6-23 | 15214 | Lassen | s Secret Valley (on U. S. Highway #395) | 1371 | Comment | ||
NY283383 | Eriogonum strictum | G. Schoolcraft | 1985-6-12 | 1422 | Lassen | Near intersection of Horse Lake Road & Highway 139 | 1487.4 | Comment | ||
CAS-BOT-BC262744 | Eriogonum strictum var. anserinum | John Thomas Howell | 1934-7-7 | 12478 | Lassen | Harvey Valley | Comment | |||
JEPS117571 | 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 | ||
RSA768778 | Eriogonum strictum var. anserinum | L. Ahart, John Dittes | 2010-7-31 | 16989 | Lassen | About 2300 feet north 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. | 1511 | Comment | ||
JEPS88218 | Eriogonum umbellatum var. modocense | Vernon H. Oswald and Lowell Ahart | 1996-6-17 | 7799 | Lassen | Bizz Johnson Trail accessed at Devils Corral Trailhead located off of Hwy. 36 ca. 7 mi W of Susanville | 1420 | Comment | ||
CAS-BOT-BC265101 | Eriogonum umbellatum var. nevadense | Frank W. Peirson | 1926-6-24 | 6848 | Lassen | A few miles southward from the Madeline Plain | Comment | |||
CDA22684 | Eriogonum umbellatum var. nevadense | S. E. Piper | 1943-7-2 | Lassen | 0.5 mile east of Herlong. | 0 | Comment | |||
CHSC68902 | Eriogonum umbellatum var. nevadense | Vernon Oswald; Lowell Ahart | 1997-6-24 | 8640 | Lassen | South of Susanville near the small pond on the crest of Diamond Mtn., about midway between Aspen Flat and Red Rock Lookout. | 2249 | Comment | ||
CHSC71131 | Eriogonum umbellatum var. nevadense | Vernon H. Oswald; Lowell Ahart | 1998-5-22 | 9115 | Lassen | Road to ORV parking area in Fort Sage Mtns. 0.6 mi east of Fort Sage Rd., ca. 5 mi NNE of Doyle. | 1402 | Comment | ||
SEINET10479566 | Eriogonum umbellatum var. nevadense | Taylor | 1982-8-27 | Taylor 5056 | 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 | |||
JEPS117588 | Eriogonum umbellatum var. polyanthum | Lowell Ahart, John Dittes | 2010-7-31 | 16988 | Lassen | About 2300 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 | ||
CAS-BOT-BC262364 | Eriogonum vimineum | John Thomas Howell | 1934-7-8 | 12493 | Lassen | Spalding's, Eagle Lake | Comment | |||
CHSC56867 | Eriogonum vimineum | Mary Meyer | 1980-7-3 | Lassen | North of Jeep trail going up drainage above camping pullover. | 1584 | Comment | |||
JEPS22038 | Eriogonum vimineum | Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. | 1957-6-29 | 5994 | Lassen | about 1 mi n Sage Hen siding on Southern Pacific R.R. line (just e of U.S. Highway No.395, 7.0 mi n of Madeline) | Comment | |||
JEPS56154 | Eriogonum vimineum | W. L. Jepson | 1918-8-2 | 7764 | Lassen | Beckwith Pass | 1463 | Comment | ||
UC412830 | Eriogonum vimineum | Lewis S. Rose | 1940-6-16 | 40596 | Lassen | Janesville | 1280 | Comment | ||
UC767818 | Eriogonum vimineum | R. F. Hoover | 1940-10-5 | 4672 a | Lassen | pass between Shaffer Mt. and Warren Peak | Comment | |||
CAS-BOT-BC262355 | Eriogonum vimineum | David D. Keck | 1930-7-23 | 951 | Lassen | Susanville | 1280 | Comment | ||
CAS-BOT-BC262357 | Eriogonum vimineum | Mrs. H. C. Cantelow | 1940-10-5 | 4177 | Lassen | N. W. of Johnsville | Comment | |||
SEINET10299460 | Eriogonum vimineum | W. L. Jepson | 1918-8-5 | 7817 | Lassen | Madelin Plains | 1615 | Comment | ||
CDA38977 | Eriophorum gracile | Gordon Leppig and T. LaBanca | 1997-6-29 | 531 | Lassen | Blue Lake Ranch; Modoc National Forest. | Comment | |||
HSC28861 | Eriophyllum lanatum | D. H. Norris, Thomas W. Nelson, S. Dowty | 1971-6-22 | 19174 | Lassen | Harvey Valley near Cone Springs | Comment | |||
RSA647563 | Eriophyllum lanatum | Marion P. Harthill | 1972-6-17 | 810 | Lassen | Ravendale | 1768 | Comment | ||
SEINET10672051 | Eriophyllum lanatum | Jeffrey Huber | 1971-6-2 | Huber 139 | Lassen | 6 mi. N of Halleluja Jct. on U.S. Hwy. 395, in Artemesia tridentata, Pinyon pine, Jeffrey pine along high rigdge and in sandy wash. | 1402 | Comment | ||
UCR244036 | Eriophyllum lanatum var. achilleoides | Jim Andre | 1993-6-5 | 19706 | Lassen | Sierra Nevada/Great Basin, Honey Lake Valley, c. 3 mi. SE of Susanville, just south of airport | 1256 | Comment | ||
UCR18727 | Eriophyllum lanatum var. grandiflorum | Frank C. Vasek | 1975-7-11 | 750711- 06 | Lassen | Modoc Plateau, State Hwy 139, [Said Valley] 2 mi north of Grasshopper Valley at the junction with Termo Rd. | 1650 | Comment | ||
CAS-BOT-BC301528 | Eriophyllum lanatum var. integrifolium | Ralph K. Gierisch | 1968-7-11 | 3355 | Lassen | Lassen National Forest. Highway 44 | 1737 | Comment | ||
CAS-BOT-BC301529 | Eriophyllum lanatum var. integrifolium | H. D. Ripley; R. C. Barneby | 1943-6-13 | 5717 | Lassen | South of Johnstonville | 1325 | Comment | ||
CHSC25127 | Eriophyllum lanatum var. integrifolium | Paul Lyman | 1970-5-2 | 27 | Lassen | Honey Lake Valley; Janesville. Found on Bald mountain, 75 yds. north of cattle guard at south entrance. | 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 | ||
UC1136993 | Eriophyllum lanatum var. integrifolium | George A. Fischer and Irwin H. Johnson | 1935-7-21 | F 200 | Lassen | Grass Valley Lassen National Forest | 1697 | Comment | ||
CHSC116092 | Erodium cicutarium | Lowell Ahart; John Dittes | 2015-7-13 | 20320 | 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 | ||
UC1924572 | Erodium cicutarium | Debra Valov | 2006-5-29 | 2006022 | Lassen | Bieber off County Rd A2 c. 8.7 km east of Hwy 299 | 1280 | Comment | ||
CHSC72213 | Eryngium alismifolium | Vernon H. Oswald | 1998-9-14 | 9620 | Lassen | Windy Hollow on the west side of Hwy. 44 ca. 1 mi northwest of its intersection with A21 (to Westwood). | 1737 | Comment | ||
JEPS66448 | Eryngium alismifolium | L. R. Heckard and P. Rubtzoff | 1971-8-4 | 2709 | Lassen | ca. 10 mi. n. Terms (along U.S. Hwy. 395) | Comment | |||
UC809839 | Eryngium alismifolium | G. L. Stebbins Jr. with P. Dansereau, C. McMillan, and K. Narayan | 1949-8-5 | 4000 | Lassen | n.w. Susanville (Hog Flat); Hog Flat | 1676 | Comment | ||
UC809840 | Eryngium alismifolium | G. L. Stebbins Jr. with P. Dansereau, C. McMillan, and K. Narayan | 1949-8-6 | 3999 | Lassen | n.w. Susanville (Hog Flat); Hog Flat | 1676 | Comment | ||
UC1137587 | Erysimum capitatum var. capitatum | A. Simontacchi | 1940-6-15 | 868 | Lassen | 0.6 mi wsw Blacks Mt.; Lassen National Forest, Halls Flat Quadrangle | Comment | |||
UC477504 | Erysimum capitatum var. capitatum | Geo. O. Fisher | 1928-6-21 | 28 | Lassen | Lassen <National> Forest | 1615 | Comment | ||
UC773887 | Erysimum capitatum var. capitatum | L. R. Short and B. H. Short | 1936-6-15 | S- 437 | Lassen | Longs Well Lassen Forest | 1712 | Comment | ||
CHSC80542 | Erysimum repandum | Vernon H. Oswald | 2001-5-4 | 9996 | Lassen | Ash Creek Wildlife Area, Wayman Barn at the west end of Hunt Rd. | 1267 | Comment | ||
JEPS118155 | Erysimum repandum | Dean W. Taylor | 2009-5-21 | 20607 | Lassen | Susanville; Susanville Peak, northerly flank along logging roads ca. 1.5 air mi E of Round Valley Reservoir | 1706 | 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 | ||
CHSC99532 | Erythranthe guttata | Lowell Ahart; John Dittes | 2008-6-20 | 14978 -A | 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 | ||
SEINET14291746 | Erythranthe guttata | C. G. Gulling | 1905-1 | 1546 | Lassen | Big Meadows. | Comment | |||
CHSC71394 | Erythranthe inflatula | V. Oswald; B. Corbin, M. Dolan, V. Sanger, G. Schoolcraft | 1998-7-13 | 9257 | Lassen | Moll Reservoir in Ash Valley southeast of Adin. Along upper edge of the reservoir. | 1615 | Comment | ||
SD7074 | Erythranthe lewisii | Mrs. R. M. Austin | 1882-8-7 | Lassen | King's Valley | 2133 | Comment | |||
CHSC5010 | Erythranthe primuloides | L. G. Bennett | 1967-7-7 | 112 | Lassen | Deans Meadow, near Eagle Lake. | 1706 | Comment | ||
SEINET13754534 | Erythranthe pulsiferae | C. L. Hitchcock | 1940-1 | 6611 | Lassen | Lava beds ca. 12 miles north of Fall River Mills (Shasta Co.) on Fall River | 1370 | Comment | ||
JEPS51782 | Eschscholzia californica | W. L. Jepson | 1918-8-2 | 7774 | Lassen | Beckwith Pass | 1463 | Comment | ||
RSA518978 | Eucephalus breweri | Barbara Ertter | 1988-7-25 | 7865 | Lassen | ridge of Diamond Mtns, ca. 1.5 mi. E of Diamond Peak, ca. 10 air miles due S of Susanville. | 2256 | Comment | ||
CHSC54180 | Euclidium syriacum | Vernon H. Oswald | 1991-5-28 | 4616 | Lassen | Wayman Barn at the west end of Hunt Rd, Ash Creek Wildlife Area, ca. 5 miles northeast of Bieber. On the east side of the barn. | 1264 | Comment | ||
UC1586591 | Euclidium syriacum | Vernon H. Oswald | 1991-5-28 | 4616 | Lassen | 5 mi ne of Bieber (Wayman Barn at w end of Hunt Road, Ash Creek Wildlife Area); Ash Creek Wildlife Area | 1264 | Comment | ||
CHSC5248 | Euphorbia crenulata | L. Harman | 1946-6-23 | Lassen | Eagle Lake. Near top of Roop Mt. | 2133 | Comment | |||
CDA14324 | Euphorbia crenulata | B. Corbin | 1998-7-23 | s.n. | Lassen | Lassen National Forest; Hwy 36, immed. E of junction w/Hwy 147, on Lassen NF. | 0 | Comment | ||
UCSC000449 | Euphorbia dictyosperma | M. S. Baker | 02 Julyunknown year | s.n. | Lassen | South side of Dixey Mts. Lassen Mts. | Comment | |||
CHSC71858 | Euthamia occidentalis | Vernon H. Oswald; Lowell Ahart | 1998-9-8 | 9579 | Lassen | Ash Creek and Big Swamp 2.2 mi north of Bieber on County Road 91 (Bieber-Lookout Rd.). | 1258 | Comment | ||
CAS-BOT-BC278459 | Festuca idahoensis | John Thomas Howell | 1934-6-14 | 12169 | Lassen | Near Lost Lake, Warner Mts. | 2438 | Comment | ||
POM112032 | Festuca idahoensis | Marcus E. Jones | 1897-6-21 | s.n. | Lassen | Chat. | 1616 | Comment | ||
RSA0092308 | Festuca idahoensis | Jim M. Andre, Tasha La Doux, Senna Andre, Elias Andre | 2013-7-12 | 31434 | Lassen | Along north side of Hwy 44 at south end of Grays Valley, along NF Rd# 33N02, north of Bogard Buttes, about 30 mi. west of Susanville. | 1732 | Comment | ||
RSA715621 | Festuca idahoensis | L. Ahart, John Dittes | 2005-6-1 | 11880 | Lassen | About 3/4 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. | 1471 | Comment | ||
UC1026711 | Festuca idahoensis | Leo Whitney | 1935-6-23 | 3295 | Lassen | Camp 10, Fruit Grower's Supply Company | Comment | |||
UC1136814 | Festuca idahoensis | George A. Fischer and Irwin H. Johnson | 1933-7-12 | F 216 | Lassen | Lassen National Forest | 1722 | Comment | ||
UCD65965 | Festuca idahoensis | Beecher Crampton | 1960-6-18 | 5715 | Lassen | N. E. Lassen County: Southern Warner Mountains, 1.25 miles north of Blue Lake, in vicinity of Blue Lake Ranch area. | 1981 | Comment | ||
UCR244064 | Festuca microstachys | Jim Andre, G. L. Clifton | 1993-6-9 | 19690 | 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 | ||
UC53777 | Festuca pratensis | M. S. Baker and Frank Nutting | 1894-6-30 | Lassen | near Bieber; Big Valley | Comment | ||||
JEPS28300 | Festuca rubra | George W. Gillett | 1957-7-28 | 923 | Lassen | upper end Butte Lake (trail to Widow Lake above junction w/ Snag Lake trail, dry wash 100 yds. above trail junction); Lassen Volcanic Nat'l Park, Butte Lake | 1859 | Comment | ||
UC188917 | Festuca rubra | Milo S. Baker | Lassen | Eagle Lake | 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 | ||
CAS-BOT-BC282537 | Festuca viridula | Parkison | 1916-6-16 | 27231 | Lassen | North slope Crater Mountain, Lassen forest | 1767 | Comment | ||
JEPS19565 | Floerkea proserpinacoides | Milo S. Baker and F. P. Nutting | 1894-6-15 | Lassen | Meadow in the Big Valley Mountains situated nw of Big Valley in which Bieber and Nubieber are located, northwestern Lassen County Big Valley; Big Valley Mountains | Comment | ||||
UC173146 | Floerkea proserpinacoides | T. S. Brandegee | 1892-7-2 | Lassen | Susanville | Comment | ||||
CHSC60393 | Fragaria virginiana | Mary Ann Showers | 1992-6-12 | 2521 | Lassen | Lassen Volcanic National Park. Meadow, Butte Lake. | 1859 | Comment | ||
CAS-BOT-BC459438 | Fragaria virginiana subsp. platypetala | Louella Bass | 1973-4-13 | 15 | Lassen | Elysian Valley, Sierra Nevada | 1325 | Comment | ||
SJSU6086 | Frasera albicaulis var. nitida | J. W. Tilden | 1960-6-27 | 1509 | Lassen | outskirts of Westwood at foot of Moonlight Rd | 1524 | Comment | ||
UC1134589 | Fritillaria atropurpurea | K. E. Bradshaw | 1939-3-27 | 232 | Lassen | s end of Black Mountain Experimental Forest, Lassen National Forest Black Mountain Experimental Forest; Lassen National Forest, Black Mountain Experimental Forest | 1752 | Comment | ||
RSA367711 | Fritillaria atropurpurea | Christopher Davidson | 1975-6-7 | 2727 | Lassen | 2.1 mi W of Westwood on Hwy 36. | 1555 | Comment | ||
CHSC42207 | Fritillaria pudica | Kimber Hostetter | 1986-3-26 | 1 | Lassen | Eagle Lake Field Station, Eagle Lake, ca. 17 km nw of Susanville. Ca. 0.5 km n of korm of CSUC field station. | 1700 | Comment | ||
CHSC7658 | Fritillaria pudica | Beverly J. Wise | 1969-3-29 | 143 | Lassen | 2 mi. north of Susanville on Hwy 139. | 1341 | Comment | ||
HSC79827 | Fritillaria recurva | William E. Rodstrom | 1975-5-23 | Lassen | Near Day in most NW township of Lassen, 0.5 mi. E of Cinder Pit Mine, N of Hwy. 299 | 1280 | Comment | |||
SEINET3886822 | 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.; 0 | 1067 | Comment | ||
JEPS25525 | Galium aparine | Rimo Bacigalupi with Lincoln Constance | 1959-7-16 | 7137 | Lassen | US Hwy 395 one fourth mi s junction of road to Smokey Creek (playa beside road) | 1341 | Comment | ||
HSC68928 | Galium multiflorum | Gary Schoolcraft | 1980-5-30 | 245 | Lassen | Bird Canyon, SW of Herlong | 1433 | Comment | ||
RSA517307 | Galium multiflorum | Barbara Ertter, Gary Schoolcraft | 1987-6-16 | 7175 | Lassen | Skeeadaddle Mtns on the NE side of Honey Lake. E side of road over saddle on W side of range. | 1646 | Comment | ||
UC1561784 | Galium multiflorum | Barbara Ertter with Gary Schoolcraft | 1987-6-16 | 7175 | Lassen | ne side Honey Lake (e of road over saddle on w side of range); Skeedaddle Mountains | 1645 | Comment | ||
UC1025088 | Galium trifidum | Leo Whitney | 1934-7-27 | 1745 | Lassen | near Bridge Creek (ca 7-8 mi sw of Eagle Lake); Lassen National Forest, Bridge Creek Camp | 1737 | Comment | ||
UC28233 | Galium trifidum | M. S. Baker and Frank Nutting | 1894-7-28 | Lassen | Bridge Creek | Comment | ||||
OBI77063 | Garrya fremontii | Anthony Baniaga | 2011-6-7 | 310 | Lassen | Lassen NF.. W of 34N60. Burney Mtn East quad. T34N r3E sec 35 SW of NE | 1747 | Comment | ||
CHSC36176 | Gayophytum diffusum | Jerry Snodgrass | 1978-6-28 | 1 | Lassen | Lower Dry Lakes e of Eagle Lake. | 1645 | Comment | ||
POM355365 | Gayophytum diffusum subsp. parviflorum | Christopher Davidson | 1975-6-7 | 2759 | Lassen | 1 mile E of Beckwourth Pass on Hwy 70. | 1524 | Comment | ||
UC1258488 | Gayophytum diffusum subsp. parviflorum | G. Schoolcraft | 1979-7-3 | 116 | Lassen | up road to Observation Lookout 4.7 mi from Horne Ranch Road intersection | 2103 | Comment | ||
POM38702 | Gayophytum helleri var. glabrum | Marcus E. Jones | 1897-6-18 | s.n. | Lassen | Chat. [also Chats, a former settlement] | 1524 | Comment | ||
UC1122567 | Gayophytum heterozygum | H. P. Hagge | 1929-9-12 | 26 | Lassen | Logan Mtn. Eagle Lake Quadrangle | Comment | |||
HSC63969 | Gayophytum humile | Teresa Prendusi | 1980-7-1 | 1121 | Lassen | Champs Flat, 8 mi. W of N Eagle Lake. | 1677 | Comment | ||
RSA122206 | Gayophytum humile | L. R. Short, J. Warren | 1936-6-23 | S 450 | Lassen | Burgess Spr. Exp. Range, Lassen National Forest | 1762 | Comment | ||
SEINET10492287 | Gayophytum nuttallii | Douglas G. LeDoux, David B. Dunn | 1973-5-25 | LeDoux 870 | Lassen | Collected 3 mi n of milford, on hwy 395 at honey lake campgrounds. | Comment | |||
CHSC6191 | Gayophytum ramosissimum | R. Gein | 1946-6-12 | Lassen | Webb's Camp, Eagle Lake. | 1554 | Comment | |||
HSC93314 | Gentiana calycosa | Vernon H. Oswald, L. Ahart | 1996-8-1 | 8119 | Lassen | FS Rd. 28N56 (D-line), 2 mi. N of Dyer Mtn. Lookout, SSW of Westwood | 1738 | Comment | ||
UC726252 | Gentiana newberryi | A. A. Heller | 1937-9-1 | 15341 | Lassen | 2 mi e Westwood | 1524 | Comment | ||
HSC8435 | Gentiana newberryi | Fred J. Kindel | 1955-8-1 | Lassen | Mt. Meadows Reservoir | Comment | ||||
POM253026 | Gentiana newberryi | A. A. Heller | 1937-9-1 | 15341 | Lassen | About a mile east of Westwood. | 1524 | Comment | ||
UC1037290 | Gentianella amarella subsp. acuta | Leo Whitney | 1934-7-24 | 1690 | Lassen | ca 7-8 mi sw Eagle Lake (Bridge Creek Camp near Bridge Creek); Lassen National Forest | 1737 | Comment | ||
JEPS60511 | Geum triflorum | Brown and Wieslander | 1922-7-23 | 22 | Lassen | Eagle Lake, Martin Springs Eagle Lake; , Martin Springs | Comment | |||
UC1127985 | Geum triflorum | A. Simontacchi | 1940-6-3 | 724 | Lassen | 8.2 mi se of Alcohol Jacks Cabin (Lassen National Forest); Lassen National Forest | 1706 | Comment | ||
UC477497 | Geum triflorum | A. G. Brenneis | 1928-7-3 | 14 | Lassen | Lassen National Forest, Jesson Valley Jesson Valley; Lassen National Forest, Jesson Valley | 1463 | Comment | ||
RSA0086587 | Gilia | Bonnie C. Templeton | 1938-4-15 | s.n. | Lassen | Near Roscoe. | Comment | |||
UCR201713 | Gilia | Ken Osborne | 2005-4-23 | s.n. | Lassen | 3 miles SE of Honey Lake, 0.5 mile west of Turtle Mountain | 1276 | Comment | ||
RSA91465 | Gilia brecciarum | Verne Grant | 1955-6-8 | 9669 | Lassen | 3.6 mi n of Halleluja Jct. on hwy 395. | 1311 | Comment | ||
SEINET200250 | Gilia capillaris | Herbert L. Mason | 1955-7-31 | 14643 | Lassen | Near Westwood Junction (railroad station 15mi west of Susanville) | Comment | |||
SEINET14643952 | Gilia inconspicua | P. B. Kennedy | 1901-6-10 | s.n. | Lassen | Constantia, railroad station. | Comment | |||
NY964494 | Gilia inconspicua var. sinuata | W. W. Eggleston | 1911-5-20 | 6743 | Lassen | Vicinity of Doyle Station | 1290 | Comment | ||
CHSC7766 | Gilia modocensis | Beverley J. Wise | 1969-5-18 | 76 | Lassen | 16.8 mi. East of Susanville on Las. Co. Rd 216 off Las. Co. Rd. 215. | 1371 | 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 | ||
UC604679 | Gilia modocensis | Farris Farris | 1935-6-15 | Lassen | Susanville | 1310 | Comment | |||
JEPS69702 | Gilia sinuata | J. W. Blankinship | 1911-11-29 | Lassen | Red Rock | Comment | ||||
CHSC99290 | Gnaphalium palustre | Lowell Ahart; John Dittes | 2008-6-22 | 15032 | Lassen | About 120 yards west of the road levee, on the banks of a small natural drainage, open meadow area, 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 | ||
HSC82197 | Gnaphalium palustre | Thomas W. Nelson, Jane P. Nelson | 1980-7-6 | 6052 | Lassen | Along Ash Creek at Ash Creek Campground | 1494 | Comment | ||
JEPS28799 | Gnaphalium palustre | George W. Gillett | 1957-9-4 | 1124 | Lassen | e margin of Widow Lake near inlet in drying mud Lassen Volcanic National Park, Widow Lake (on drying margin of pond about 100 yds w of Widow Lake) | 2072 | Comment | ||
UC1536868 | Gnaphalium palustre | G. H. True Jr. | 1938-7-14 | 956 | Lassen | near Janesville | 1280 | Comment | ||
CAS-BOT-BC302592 | Gnaphalium palustre | George W. Gillett | 1957-9-4 | 1124 | Lassen | Lassen Volcanic National Park. Widow Lake | 2072 | Comment | ||
CHSC117760 | Gratiola heterosepala | Virginia Dains; Joanne Crawford | 2016-6-9 | Lassen | Modoc Plateau. BLM Eagle Lake Field Office. 8 km southeast of Horse Lake, 23 km northwest of Shaffer Mtn. | 1470 | Comment | |||
RSA772749 | Gratiola heterosepala | Robert F. Thorne, Larry E. DeBuhr | 1975-8-22 | 47210 | Lassen | Along Highway 395 ca. 5 miles north of Madeline and ca. 5.5 miles south of Modoc county line. | 1616 | Comment | ||
CHSC31131 | Grayia spinosa | J. S. White | 1980-4-14 | 118 | Lassen | On 2% s slope, 1 mi ne of Wendel. | 1295 | Comment | ||
CHSC5231 | Grayia spinosa | V. Holt | 1944-6-28 | Lassen | S slope of Rocky Point, w side of Eagle Lake. | 1627 | Comment | |||
UC1537382 | Grayia spinosa | Gordon H. True Jr. | 1936-6-26 | 551 | Lassen | flats s.e. Standish; Honey Lake Valley | 1219 | Comment | ||
JEPS124633 | Grindelia nana | Laurie Hooker | 1965-7-13 | 117 | Lassen | 1.4 miles past junction of A-2 and 299. | Comment | |||
CAS-BOT-BC304679 | Grindelia squarrosa | M. S. Taylor | 1982-8-19 | 5024 | Lassen | E side of Hwy 395, ca. 4 mi n of its jct with Hwy 70 at Hallelujah Jct. | 1493 | Comment | ||
CHSC60757 | Gymnosteris parvula | Vernon H. Oswald; Lowell Ahart | 1993-6-3 | 5485 | 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. In a meadow. | 1731 | Comment | ||
UC1533130 | Gymnosteris parvula | G. Schoolcraft | 1986-5-14 | 1567 | Lassen | near road at stateline in Tuledad Canyon Tuledad Canyon | 1524 | Comment Read comments Nov 4 2011 |
||
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 | |||
SEINET4173700 | Habenaria leucostachys | Marcus E. Jones | 1897-1 | Lassen | Comment | |||||
CHSC118792 | Hackelia amethystina | L. P. Janeway; B. Castro | 2017-7-2 | 12341 | Lassen | Northern High Sierra Nevada. Along the crest of the Diamond Mtns 4.0 air-km west of Diamond Mtn; at the junction of Skyline Motorway, Diamond Mtn Road, and Diamond Mtn Motorway. | 2004 | Comment | ||
HSC69598 | Hackelia californica | Gary Schoolcraft | 1980-7-15 | 310 | Lassen | W of Biebes | 1799 | Comment | ||
UC1483851 | Hackelia californica | G. Schoolcraft | 1980-7-15 | 310 | Lassen | w of Bieber; Big Valley Mountain | 1798 | Comment | ||
UC773869 | Hackelia californica | L. R. Short, J. Warren | 1936-6-26 | S 458 | Lassen | Burgess Spring Experiment Range; Lassen National Forest | 1853 | Comment | ||
CDA3149 | Halogeton glomeratus | E. E. Fix | Jun 1949 | Lassen | Western Pacific Railroad right-of-way on Nevada-California line. Near Herlong. | 0 | Comment | |||
UCR109608 | Halogeton glomeratus | T. C. Fuller | 1962-8-28 | 9475 | Lassen | Adjacent to railroad tracks, Herlong Siding | 1250 | Comment Read comments Apr 14 2011 |
||
CDA36354 | Halogeton glomeratus | B. Villegas | 2011-8-25 | Lassen | Near Wendel; on Wendel Rd., 0.4 mile from Amadee Rd. | 0 | Comment | |||
OBI4720 | Halogeton glomeratus | T. C. Fuller | 1962-8-28 | 9475 | Lassen | Herlong Siding, Hoeny Lake Valley | Comment | |||
UCD98898 | Halogeton glomeratus | Roy V. Parker; M. Ingle, G. Randall | 1955-8-29 | s.n. | Lassen | About 6 miles east of Amedee (northern fringe of Sierra Ordnance depot). | Comment | |||
UC1192217 | Helianthus annuus | Verne Grant and Irving Schneider | 1947-7-31 | 8215 | Lassen | irrigation ditch ne quarter George Williams section 19; Madeline Plain | 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 | |||
CHSC64756 | Helianthus cusickii | Vernon H. Oswald | 1995-5-31 | 6798 | Lassen | Modoc Plateau. Smoke Creek Ranch Rd. 0.4 mi e of Hwy. 395, between Litchfield and Ravendale. | 1383 | Comment | ||
CHSC7636 | Helianthus cusickii | Beverley J. Wise | 1969-5-15 | 22 | Lassen | 28.9 mi. East of Susanville on Hwy 395. | 1554 | Comment | ||
JEPS25527 | Helianthus cusickii | Rimo Bacigalupi with Lincoln Constance | 1959-6-16 | 7141 | Lassen | beside Hwy 395 one-fourth mi s of junction road to Smoke Creek | 1341 | Comment | ||
CAS-BOT-BC305663 | Helianthus cusickii | Elmer I. Applegate | 1934-5-4 | 8927 | Lassen | South of Secret Valley | Comment | |||
CAS-BOT-BC305665 | Helianthus cusickii | A. A. Heller | 1938-6-23 | 15209 | Lassen | On the grade east of Mapes on U. S. Highway #395 | 1371 | Comment | ||
SEINET3871713 | Heliotropium curassavicum | Richard R. Halse | 2010-8-25 | 8086 | Lassen | Along State Hwy. 139 ca 26/2 miles N of Susanville on the NE shore of Eagle Lake.; 0 | 1559 | Comment | ||
UCD142986 | Heliotropium curassavicum | Richard R. Halse | 2010-8-25 | 8086 | Lassen | along State Highway 139 around 26.2 miles north of Susanville on the northeast shore of Eagle Lake. | 1559 | Comment | ||
UC1137704 | Hemizonella minima | A. Simontacchi | 1940-5-28 | 788 | Lassen | 3.2 mi wsw Patterson Mtn.; Lassen National Forest, Halls Flat Quadrangle | Comment | |||
CDA7799 | Hemizonia pungens subsp. pungens | D. French | 1970-10-8 | Lassen | Blickenstaff Road #311. | 0 | Comment | |||
UC1567384 | Hesperochiron californicus | G. Schoolcraft | 1989-5-3 | 1866 | Lassen | s of Karlo (n end of Secret Valley); Secret Valley | 1341 | Comment | ||
UCD55304 | Hesperochiron californicus | Ellen Dean; Gary Schoolcraft | 2006-5-16 | 3133 | 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 | ||
HSC63725 | Hesperochiron californicus | Teresa Prendusi | 1980-4-29 | Lassen | Five Springs Mtn. | 1402 | Comment | |||
SEINET5498645 | Hesperochiron californicus | D. E. Brix | 1962-5-2 | s.n. | Lassen | Spring 2 miles from Junction of Red Rock Rd. and Hwy 395 | 1433 | Comment | ||
UCD119473 | Hesperochiron californicus | Geo C. Wood | 1940-4-22 | s.n. | Lassen | Madeline Plains. | Comment | |||
JEPS32314 | Hesperolinon micranthum | T. S. Brandegee | 1892-6-30 | Lassen | Susanville | Comment | ||||
UC1523712 | Hesperolinon micranthum | Gary Schoolcraft | 1981-6-25 | 478 | Lassen | East Fork of Wellard Creek | 1584 | Comment | ||
HSC68915 | Hesperolinon micranthum | Gary Schoolcraft | 1980-7-10 | 302 | Lassen | Along Hwy. 139 just N of turn off to Eagle Lake campground. | 1585 | Comment | ||
RSA165544 | Hesperolinon micranthum | Clare B. Hardham | 7537 | Lassen | Lava flows. Rte. 395 between Alturas and Susanville. | 1524 | Comment | |||
SJSU7861 | Hesperolinon micranthum | V. Hardham | 1965-7-12 | 127 | Lassen | Willow Cr c. 13 mi SE of Adin (Siskiyou County) on State Rt 139 | 1463 | Comment | ||
UC17267 | Hesperolinon micranthum | Mrs. Brandegee | Lassen | Comment | ||||||
UC593455 | Hesperostipa comata | E. B. Babcock and G. L. Stebbins Jr. | 1936-6-7 | 1743 | Lassen | e-facing slope of gully on mountain above Red Rock | 1420 | 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 | ||
UC1562324 | Heterotheca villosa var. minor | Vernon Oswald and Lowell Ahart | 1990-7-25 | 4397 | Lassen | 2.2 mi w Hwy 395 (intersection of Hwy 70 and Scott Rd) | 1463 | Comment | ||
RSA41674 | Heterotheca villosa var. minor | Marcus E. Jones | 1897-6-18 | s.n. | Lassen | Chat. [also Chats, a former settlement] | 1524 | Comment | ||
CAS-BOT-BC312417 | Hieracium albiflorum | Clare B. Hardham | 1971-8-22 | 18378 | Lassen | Diamond Mountain | 2133 | Comment | ||
UC1136852 | Hieracium albiflorum | George A. Fischer and Irwin H. Johnson | 1933-7-14 | F 269 | Lassen | Lassen <National> Forest | 1737 | Comment | ||
CAS-BOT-BC312415 | Hieracium albiflorum | Alice Eastwood | 1912-8-22 | 1781 | Lassen | Trail from Morgans Springs to Sulphur Works, Lassen Butte Region | 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 | ||
JEPS103187 | Hieracium scouleri | G. Schoolcraft | 2000-7-5 | 2911 | Lassen | On slopes of Shinn Mountain | 2011 | Comment | ||
JEPS105682 | Hieracium scouleri | L. P. Janeway | 2001-6-20 | 7196 | Lassen | along 22 Road about 1.8 km W of Black Hole, about 11.9 km N-NE of Harvey Mountain | 460 | Comment | ||
CHSC87105 | Hieracium scouleri var. scouleri | L. P. Janeway | 2001-6-20 | 7196 | Lassen | Modoc Plateau. Along '22' Road about 1.8 km west of Black Hole, about 11.9 km north-northeast of Harvey Mountain. | 1510 | Comment | ||
UC20698 | Hippuris vulgaris | J. Burtt Davy | Jun 17 1897-Jun 24 1897 | 3334 | Lassen | Honey Lake Valley, Honey Lake | 1219 | Comment | ||
JEPS124840 | Hippuris vulgaris | B. Corwin | 1964-6-30 | 119 | Lassen | 16 miles north of Susanville. | Comment | |||
UCD170233 | Holodiscus discolor var. glabrescens | K. M. Meyer; A. Townesmith | 2007-7-23 | 150 | Lassen | Lassen National Forest. 6 miles SW on 32N10 off Hwy. 44. (Turn at rest area on Hwy. 44). At junction of 32N10, 32N09 and 31N36. | 1993 | Comment | ||
CHSC112406 | Holosteum umbellatum subsp. umbellatum | Lowell Ahart; John Dittes, Todd Sloat | 2013-6-8 | 18728 | 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 | ||
RSA755003 | Holosteum umbellatum subsp. umbellatum | L. Ahart, John Dittes | 2008-6-20 | 14922 | Lassen | About 10-100 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. | 1264 | Comment | ||
UCD55283 | Holosteum umbellatum subsp. umbellatum | Ellen Dean; Gary Schoolcraft | 2006-5-16 | 3102 | 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 | ||
RSA647541 | Hordeum brachyantherum | Marion P. Harthill | 1972-6-17 | 829 | Lassen | Madeline | 1677 | Comment | ||
UCD85482 | Hordeum brachyantherum | L. Whitney | 1935-3-28 | Lassen | Fruit Growers Supply Co. Camp #10. | Comment | ||||
UC1100324 | Hordeum brachyantherum subsp. brachyantherum | Malcolm A. Nobs, S. Galen Smith | 1949-7-21 | 1055 | Lassen | 4 mi N of Madelaine | Comment | |||
CHSC5060 | Hordeum jubatum | D. L. Stites | 1967-6-25 | 54 | Lassen | Ca. 2 mi. w ELBS Pellican Point. | 1524 | Comment | ||
UCD85769 | Hordeum jubatum | R. Tofsrud | 1947-7-1 | 226 | Lassen | Between Johnstonville and Standish. | Comment | |||
UCD85908 | Hordeum marinum subsp. gussoneanum | L. Whitney | 1933-8-12 | s.n. | Lassen | Black's Lake. | Comment | |||
UC1924567 | Hordeum murinum subsp. glaucum | Debra Valov | 2006-5-28 | 2006039 | Lassen | Bieber off County Rd. A2 c. 12 km east of Hwy 299 | 1279 | Comment | ||
JEPS44575 | Horkelia fusca subsp. tenella | C. S. Robinson | 1930-7-20 | 37 | Lassen | near Westwood Jct.; Norval Flat, Lassen Forest | 1747 | Comment | ||
SEINET10483367 | Horkelia fusca subsp. tenella | Mary Merello | 1993-6-28 | Merello 752 | Lassen | Lassen National Forest, Poison Lake. Along Hwy. 44 just south of the Hwy. 89, Hwy. 44 intersection. Open pine-scrub and wetlands around lake. Volcanic soils. | 1700 | Comment | ||
UC1609471 | Horkelia fusca subsp. tenella | Vernon H. Oswald and Lowell Ahart | 1993-6-28 | 5577 | Lassen | 0.2 mi n Hwy 44 (Harvey Valley Rd (33N02), e side of Grays Valley, e of Poison Lake); e of Poison Lake, e side of Grays Valley | 1749 | Comment | ||
CAS-BOT-BC143981 | Horkelia fusca var. tenella | Lassen 1927 G. S. Crew | 1927-6-25 | 37 | Lassen | Norval Flat, Lassen National Forest | 1747 | Comment | ||
HSC25727 | Horkelia fusca var. tenella | D. H. Norris, Thomas W. Nelson, S. Dowty | 1971-6-22 | 19181 | Lassen | Harvey Valley near Cone Springs | Comment | |||
NY170061 | Hutchinsia procumbens | N. H. Holmgren | 1978-6-11 | 8907 | Lassen | Vicinity of spring at fork to Painters Flat on E side of Observation Peak, 28 km (17.4 mi) east of Ravendale and 22.5 km (14 mi) airline distance. | 1680 | Comment | ||
RSA88526 | Hypericum androsaemum | P. H. Raven | 1951-7-27 | 3627 | Lassen | Lake Ediya | Comment | |||
SEINET5344266 | Hypericum scouleri | C. G. Gulling | 1905-1 | s.n. | Lassen | Big Meadows | Comment | |||
UC117500 | Idahoa scapigera | T. S. Brandegee | 1892-6-30 | Lassen | Susanville | Comment | ||||
SD61029 | Iliamna bakeri | Darley F. Howe | 1964-8-2 | 3924 | Lassen | Hillside above Parsnip Creek, Warner Mountains; Modoc National Forest. | 1829 | Comment | ||
CDA35742 | Iliamna bakeri | D. R. Hill & L. Wheeler | 1968-7-15 | Lassen | Pat Morris Rd & Highway 139 to Adin, 30 miles north of Susanville. | 0 | Comment | |||
JEPS816 | Ipomopsis aggregata | Jos. Grinnell | 1928-6-26 | Lassen | Butte Lake | 1889 | Comment | |||
CHSC13883 | Ipomopsis aggregata subsp. formosissima | S. Villard | 1973-7-12 | 65 | Lassen | Gallatin Peak. | 1066 | Comment | ||
RSA0063614 | Ipomopsis aggregata subsp. formosissima | G. A. Fischer, Irwin H. Johnson | 1933-7-14 | F- 256 | Lassen | Forest: Lassen. | 1784 | Comment | ||
HSC42419 | Ipomopsis congesta | Barbara Kelly | 1977-8-9 | 561 | Lassen | 16 1/4 mi. E of Madeline on the dirt road from Adin | Comment | |||
JEPS95973 | Ipomopsis congesta subsp. congesta | Vernon H. Oswald and L. Ahart | 1999-6-9 | 9745 | 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 | ||
UCR183236 | Ipomopsis depressa | Jim Andre, G. L. Clifton | 1993-6-2 | 7719 | Lassen | Honey Lake, Honey Lake Valley, along Smoke Creek Valley Road, c. 10 mi west of the Nevada border, near Herlong Siding, south of Skedaddle Mtns | 1243 | Comment | ||
CHSC60707 | Isoetes nuttallii | Vernon H. Oswald; Lowell Ahart | 1993-6-3 | 5476 | Lassen | Champs Flat Rd. (Lassen 21/105, Forest 32N02), 3.7 mi N of Hwy 44 at spur road 32N02E, on the SE side of Pine Creek Valley, between Poison Lake and Susanville. | 1731 | Comment | ||
JEPS88085 | Isoetes nuttallii | Vernon H. Oswald and Lowell Ahart | 1996-6-24 | 7848 | Lassen | 2.5 mi s Eagle Lake (ca 0.5 mi e of Eagle Lake Rd (A1), Papoose Meadows, w side of meadow just s of the cabins); Modoc Plateau | 1633 | Comment | ||
CAS-BOT-BC324778 | Iva axillaris | P. Monnet | 1913-7-4 | 826 | Lassen | Honey Lake | 1219 | Comment | ||
CAS-BOT-BC324779 | Iva axillaris | M. S. Taylor | 1982-8-19 | 5022 | Lassen | E side of Highway 395 ca. 4 miles north of its junction with Highway 70 at Hallalujah Junction | 1493 | Comment | ||
JEPS41099 | Iva axillaris subsp. robustior | W. L. Jepson | 1918-8-2 | 7787 | Lassen | Long Valley | 1371 | Comment | ||
UC2062433 | Ivesia baileyi var. baileyi | Barbara Ertter with Gary Schoolcraft | 1987-6-16 | 7200 | Lassen | Skeedaddle Mountains on NE side of Honey Lake; tuffaceous at head of Wendel Canyon. | Comment | |||
SEINET3860245 | Ivesia paniculata | Barbara Kelly | 1977-8-9 | 559 | Lassen | Along dirt road from Adin 16 1/4 mi W of Madeline.; 0 | Comment | |||
CAS-BOT-BC109935 | Juncus | John Thomas Howell | 1976-7-19 | 51988 | Lassen | Sierra Nevada. On Gold Creek southwest of Susanville. | 1386 | Comment | ||
SEINET7421696 | Juncus balticus | A. L. Hormay | 1941-1 | 25441 | Lassen | Sec. 31, T 33N, R 9 E, Little Harvey Valley. Altitude 5500 ft. | 2007 | Comment | ||
UC1142944 | Juncus balticus subsp. ater | A. L. Hormay | 1941-6-18 | 4 | Lassen | Little Harvey Valley Lassen National Forest | 1676 | Comment | ||
JEPS121285 | Juncus bufonius var. bufonius | Lowell Ahart, John Dittes | 2013-7-23 | 18907 | Lassen | On the SW side of a man-made pond, about 160 yards NW of the four tall poles, Ash Creek State Wildlife Area, about 5.5 air miles NE of Bieber, Big Valley. | Comment | |||
UC1107336 | Juncus bufonius var. occidentalis | Jean Langenheim | 1957-6-22 | 4364 | Lassen | near Eagle Lake edge; Eagle Lake | Comment | |||
CHSC13585 | Juncus ensifolius | J. Pitts | 1972-6-22 | 254 | Lassen | 140 yds. ne of Eagle Lake Field Station above marsh. | Comment | |||
HSC29691 | Juncus hemiendytus var. abjectus | D. Norris, Thomas W. Nelson, S. Dowty | 1971-6-22 | 19271 | Lassen | Harvey Valley near Cone Springs | Comment | |||
CAS-BOT-BC110131 | Juncus luciensis | John Thomas Howell | 1974-7-10 | 50538 | Lassen | Sierra Nevada. Elysian Valley (near Janesville). | 1325 | Comment | ||
CAS-BOT-BC110768 | Juncus mertensianus | John Thomas Howell; Gordon H. True | 1973-8-1 | 50249 | Lassen | Sierra Nevada. Diamond Range. Gold Run Creek road south of Susanville. | 1950 | Comment | ||
CAS-BOT-BC110769 | Juncus mertensianus | Clare B. Hardham | 1969-8-28 | 17441 | Lassen | Sierra Nevada. West of Janesville. | Comment | |||
UC1136936 | Juncus mexicanus | George A. Fischer and Irwin H. Johnson | 1933-7-12 | F- 238 | Lassen | Patterson Flat Lassen National Forest | 1737 | Comment | ||
CHSC58859 | Juncus nevadensis | Vernon H. Oswald; Lowell Ahart | 1992-7-16 | 5124 | Lassen | Swamp on Bridge Creek, W of the Cinder Pit on the logging road paralleling the E side of the creek, 1.3 mi N of Hwy. 44 and McCoy Flat Reservoir, between Old Station and Susanville. | 1719 | Comment | ||
JEPS121289 | Juncus nevadensis var. nevadensis | Lowell Ahart, John Dittes | 2013-7-23 | 18906 | Lassen | On the SW side of a man-made pond, about 160 yards NW of the four tall poles, Ash Creek State Wildlife Area, about 5.5 air miles NE of Bieber, Big Valley. | Comment | |||
HSC22875 | Juncus orthophyllus | John Pratt | 1970-6-13 | 11 | Lassen | 1677 | Comment | |||
JEPS126568 | Juncus tiehmii | Lowell Ahart, John Dittes | 2016-6-7 | 20989 | Lassen | 50 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 | |||
CHSC66417 | Juncus trilocularis | Vernon H. Oswald; Lowell Ahart | 1996-6-17 | 7805 | 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 | ||
CDA39253 | Juncus xiphioides | Gordon Leppig | 1998-7-12 | 945 | Lassen | Northern California Peatlands; Modoc National Forest, Blue Lake Ranch. | Comment | |||
UCD133732 | Juniperus californica | Grady L. Webster; with Bot. 102 class | 1989-5-13 | 7703 | Lassen | Scattered in sagebrush scrub on rolling slopes 2.5 mi E of Beckworth Pass. | 1493 | 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 | |||
SEINET10834011 | Juniperus occidentalis | David B. Dunn | 1956-7-3 | Dunn 11918 | Lassen | Collected on rolling gravelly-rocky slopes with scattered juniper open field. Considerable Artemisia tridentata ( Hwy 395). | Comment | |||
RSA519137 | Juniperus occidentalis var. occidentalis | George K. Helmkamp | 1990-9-23 | D- 6 | Lassen | 20 miles N of Litchfield along U.S. Hwy 395 | 1433 | Comment | ||
RSA719706 | Juniperus occidentalis var. occidentalis | Michael A. Vincent, K. Levings | 2006-7-29 | 12922 | Lassen | Along Rt. 395 pull-off, 3.1 miles north of Rt. 70, 7.7 miles north of Sierra County line | Comment | |||
SEINET11056886 | Juniperus occidentalis var. occidentalis | D. Charlet | 1993-7-13 | 1582 | Lassen | Fort Sage Mountains, along road W of OHV trailhead. | 1450 | Comment | ||
CHSC57200 | Kelloggia galioides | Mary Meyer | 1980-7-21 | Lassen | Beneath white fir stand. | 2103 | Comment | |||
HSC69049 | Kelloggia galioides | Gary Schoolcraft | 1979-7-3 | 111 | Lassen | 4.3 mi. up the road from Observation Peak | 2134 | Comment | ||
POM68596 | Kelloggia galioides | Marcus E. Jones | 1897-6-26 | s.n. | Lassen | Susanville, Perkin's Ranch. | 1463 | 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 | ||
UC1374967 | Kelloggia galioides | Noel H. Holmgren, John J. Fay, and Barton L. Bethers | 1970-6-24 | 4374 | Lassen | 2 mi w Westwood (at edge of airstrip) | 1554 | Comment | ||
UC303069 | Kelloggia galioides | Pearl Safford | Lassen | Susanville [uncertain locality] | 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 | ||
UC1024950 | Koeleria macrantha | Leo Whitney | 1935-6-28 | 3316 | Lassen | ca 13 mi w of n end Eagle Lake (Squaw Valley); , w of n end Eagle Lake | Comment | |||
UC1609258 | Koeleria macrantha | Vernon H. Oswald and Lowell Ahart | 1993-6-28 | 5586 | Lassen | e Poison Lake (Harvey Valley Rd. (33N02) 1.2 mi n of Hwy 44, e side of Grays Valley); Grays Valley, e of Poison Lake | 1731 | Comment | ||
CHSC59078 | Lactuca serriola | Vernon H. Oswald; Lowell Ahart | 1992-8-25 | 5190 | Lassen | Lassen Volcanic National Park. West shore of Snag Lake near the islands. | 1851 | Comment | ||
JEPS121276 | Lactuca serriola | Lowell Ahart, John Dittes | 2013-7-23 | 18887 | 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 | |||
CAS-BOT-BC341484 | Lagophylla ramosissima | John Thomas Howell | 1934-6-10 | 11863 | Lassen | Honey Lake Valley, 37 miles s. of Susanville | Comment | |||
UC1523782 | Lagophylla ramosissima | Gary Schoolcraft | 1981-6-9 | 438 | Lassen | s Pittville | 1249 | Comment | ||
JEPS114639 | Lamium amplexicaule | Lowell Ahart, John Dittes | 2008-6-20 | 14962 | Lassen | In meadow, about 30 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 | ||
CHSC25306 | Lappula redowskii var. cupulata | Pauleen Broyles | 1977-6-1 | 153 | Lassen | Skedaddle Ranch Road at South Fork Reservoir turn-off ca 8 km ne of Herlong. | 1660 | 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 | ||
POM29621 | Lathyrus | Marcus E. Jones | 1897-6-28 | s.n. | Lassen | Diamond Mountain; Susanville; Perkins Ranch. | 1829 | Comment | ||
CHSC7669 | Lathyrus brownii | Beverley J. Wise | 1969-5-9 | 58 | Lassen | 10.5 mi West of Susanville on Forest service rd. no. 8246 off Hwy 36. | 1615 | Comment | ||
UC864541 | Lathyrus brownii | A. A. Heller | 1938-6-4 | 15147 | Lassen | 1 mi e Fredonyer Pass | 1706 | Comment | ||
CHSC92742 | Lathyrus nevadensis var. nevadensis | L. P. Janeway | 2005-7-3 | 8451 | Lassen | High Cascade Range. Junction of Road 35N38 (road to Blacks Ridge Lookout Tower) and Road 22; 3.7 air km north-northwest of the lookout. | 1536 | Comment | ||
CHSC60718 | Layia glandulosa | Vernon H. Oswald; Lowell Ahart | 1993-6-14 | 5535 | 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 | ||
CHSC91322 | Layia glandulosa | Lowell Ahart; John Dittes | 2005-6-1 | 11889 | 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 | ||
CAS-BOT-BC321495 | Layia glandulosa | M. S. Taylor | 1982-5-29 | 4571 | Lassen | 500 yds NE of the jct of Hwy 70 with Hwy 395 at Hallelulia Jct, ca 23 mi N of Reno. | 1524 | Comment | ||
CAS-BOT-BC321497 | Layia glandulosa | Margaret Williams | 1974-7-27 | 74- 2 -51 | Lassen | Burned area near Hallelujah Junction, W of Hwy 395 and S of Hwy 70 | 1493 | Comment | ||
SEINET10759249 | Layia glandulosa | Billy Joe Cox | 1971-6-2 | Cox 3089 | 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 | ||
SEINET10879114 | Layia glandulosa | David B. Dunn, Billy Joe Cox | 1971-6-2 | Dunn 17795 | Lassen | 6 mi. N of Hallelujah Jact. on U.S. Hwy. 395, in Artemisia tridentata, Pinyon pine, Jeffery Pine along high ridge & in sandy wash. | 1402 | 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 | ||
POM30358 | Layia glandulosa subsp. glandulosa | Marcus E. Jones | 1897-6-18 | s.n. | Lassen | Chat. [also Chats, a former settlement] | 1524 | Comment | ||
CHSC4847 | Lemna minor | R. Carter | 1967-7-13 | 590 | Lassen | Along shore of Willow Creek. | Comment | |||
JEPS89219 | Lemna minuscula | Mrs. R. M. Austin | June, 1894 | Lassen | Cold Springs, Willow Creek Valley Willow Creek Valley; North East California, Cold Springs, Willow Creek Valley | Comment | ||||
UC55668 | Lemna minuscula | Mrs. R. M. Austin | Jun 1894 | Lassen | Willow Creek Valley, Cold Springs Cold Springs; Willow Creek Valley, Cold Springs | Comment | ||||
SEINET11586251 | Lemna trisulca | B. L. Wilson, R. Brainerd, D. Lytjen, B. Newhouse, N. Otting | 2004-8-24 | 11166 | Lassen | Snowstorm Creek, at a spring; upstream of Biscar Reservoir, W of an old railroad right of way | 1463 | Comment | ||
JEPS407 | Lemna turionifera | W. L. Jepson | 1918-8-16 | 8000 | Lassen | Merrillville | 1524 | Comment | ||
CAS-BOT-BC88820 | Lepidium campestre | Louella Bass | 1973-6-15 | 110 | Lassen | Sierra Nevada. Elysian Valley. | 1325 | Comment | ||
CDA42959 | Lepidium chalepense | L. Ahart, John Dittes, Todd Sloat | 2013-6-9 | 18786 | Lassen | On the east side 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. | Comment | |||
CHSC99531 | Lepidium chalepense | Lowell Ahart; John Dittes | 2008-6-20 | 14978 -B | Lassen | 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-BC89168 | Lepidium draba | Louella Bass | 1977-6-12 | 77 -4 | Lassen | Elysian Valley. | Comment | |||
CHSC110310 | Lepidium perfoliatum | L. P. Janeway; B. Castro | 2012-7-2 | 10926 | 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 | ||
CAS-BOT-BC12812 | Lepidium perfoliatum | Margaret Williams | 1974-7-27 | 74 -L-48 | Lassen | Sierra Nevada. Near Hallelujah Junction west of Highway 70. | 1493 | Comment | ||
SEINET10448293 | Lepidium perfoliatum | Mary Susan Taylor | 1982-5-29 | Taylor 4565 | Lassen | T22N R17E se sec 23. Loyalton quad. NW corner of the jct of Scott Rd and Hwy 395, ca. 20 mi n of Reno; in Sagebrush Scrub. 4900 ft. | 1493 | Comment | ||
JEPS53770 | Lepidium virginicum var. virginicum | W. L. Jepson | 1918-8-2 | 7763 | Lassen | Beckwith Pass | 1463 | Comment | ||
UC1137585 | Leptodactylon pungens | A. Simontacchi | 1940-6-30 | 911 | Lassen | 4.2 mi s Blacks Mtn.; Lassen National Forest, Halls Flat Quad. | Comment | |||
CHSC91188 | Leptosiphon ciliatus | Lowell Ahart; John Dittes | 2005-6-2 | 11936 | Lassen | Along a poor dirt road, 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. | 1600 | 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 | ||
POM74002 | Leptosiphon ciliatus | Marcus E. Jones | 1897-6-28 | s.n. | Lassen | Diamond Mountain; Susanville; Perkin's Ranch. | 1829 | Comment | ||
CHSC29874 | Leptosiphon harknessii | Robin L. Ondricek | 1978-7-15 | 69 | Lassen | S of Mahogany Peak. | 2072 | Comment | ||
CHSC4771 | Leptosiphon harknessii | R. Carter | 1967-6-27 | 562 | Lassen | Ca. 10 yds. off n side of rd., 1.75 mi w of Eagle Lake Biology station. | 1584 | Comment | ||
POM74199 | Leptosiphon harknessii | Marcus E. Jones | 1897-7-2 | 10394 | Lassen | Susanville | 1524 | Comment | ||
RSA702599 | Leptosiphon harknessii | L. P. Janeway | 2004-7-26 | 8147 | Lassen | High Cascade Range. Halls Flat; about 0.3 km east of Road 33N13 3.5 km north of junction of Road 33N18 | 1714 | Comment | ||
SEINET3364450 | Leptosiphon harknessii | Marcus E. Jones | 1897-7-2 | Lassen | Susanville | Comment | ||||
JEPS55592 | Leucocrinum montanum | W. Roderick | 1961-5-3 | Lassen | ca. 4 road mi SE of Said Valley Reservoir and 17 road mi W of Termo | Comment Read comments Aug 12 2008 |
||||
UC1553405 | Leucocrinum montanum | Gary Schoolcraft | 1988-5-11 | 1794 | Lassen | n of Said Valley Reservoir (along Hwy 139) | 1676 | Comment | ||
CAS-BOT-BC508365 | Leucocrinum montanum | G. Schoolcraft | 1988-5-11 | 1794 | Lassen | Along Hwy. 139 n. of Said Valley Reservoir | 1676 | Comment | ||
CAS-BOT-BC508366 | Leucocrinum montanum | Rhonda Riggins | 1989-4-27 | 1650 | Lassen | US 395, 1.1 mile north Madeline, 8.8 mile south Modoc Co. line | 1676 | Comment | ||
CAS-BOT-BC508367 | Leucocrinum montanum | John Thomas Howell; Gordon H. True; Margaret Williams | 1973-5-12 | 49164 | Lassen | Elysian Valley northwest of Janesville, Sierra Nevada | 1325 | Comment | ||
HSC38587 | Leucocrinum montanum | J. P. Smith, J. O. Sawyer | 1971-5-23 | Lassen | 3 mi. N of junction of Hwy. 139 and turnoff to Thermo | Comment | ||||
SEINET8480557 | Leucocrinum montanum | M. J. Williams | 1969-5-24 | s.n. | Lassen | Hwy 44, near Bogart Ranger Station. | 1646 | Comment | ||
CHSC68756 | Lewisia nevadensis | Vernon H. Oswald; Lowell Ahart | 1997-5-27 | 8523 | Lassen | Meadow along Coyote Flat Draw crossing Forest Route 38N04 (between Hwy. 139 near Willow Creek Guard Station and Coyote Flat), 3.6 mi north-east of Hwy. 139. | 1731 | Comment | ||
OBI79710 | Lewisia rediviva | Anthony Baniaga | 2011-6-11 | 334 | Lassen | Lassen National Forest. Along Highway 139, ca. 4 mi S of Adin. quadrangle. | 1326 | Comment | ||
JEPS28403 | Lewisia triphylla | George W. Gillett | 1957-7-21 | 863 | Lassen | 300 yds n Juniper Lake - Cameron meadow trail summit; Lassen Volcanic National Park | 2118 | Comment | ||
JEPS128173 | Leymus cinereus | M. C. Mahoney, J. A. Nash | 2017-8-22 | CA 350 -88 | Lassen | South of Pilgrim Lake of Buckhorn Byway. From Susanville take Highway 395 north to Buckhorn Byway and follow the road east past Buckhorn Reservoir and Dry Lake. Then take a right onto an unnamed road that is right on the CA/NV border. Continue for 1/2 mile. Population is on either side of the road. | Comment | |||
JEPS68547 | Leymus cinereus | W. L. Jepson | 1918-8-2 | 7795 a | Lassen | Raker Ranch Honey Lake Valley | 1219 | Comment | ||
UC1037143 | Leymus cinereus | Leo Whitney | 3335 | Lassen | Camp 10 <of> Fruit Grower's Supply Company Lassen National Forest | Comment | ||||
UC573939 | Leymus cinereus | H. S. Yates | 1936-8-12 | 9086 | Lassen | McKenzie Meadow Susanville Quadrangle | Comment | |||
SEINET239966 | Leymus triticoides | G. L. Clifton | 1996-6-5 | 34629 | Lassen | East of Herlong close to the railroad. | 1234 | Comment | ||
UCD87762 | Leymus triticoides | L. G. Stiles | 1927-6-2 | s.n. | Lassen | Milford. | Comment | |||
CAS-BOT-BC274464 | Leymus triticoides | G. Schoolcraft | 1999-6-28 | 2843 | Lassen | Flats se. of Herlong | 1219 | Comment | ||
CAS-BOT-BC436029 | Ligusticum grayi | George W. Gillett | 1957-7-21 | 870 | Lassen | Lassen Volcanic National Park: Cameron Meadow | 1950 | Comment | ||
JEPS28660 | Ligusticum grayi | George W. Gillett | 1957-7-21 | 870 | Lassen | Lassen Volcanic Nat'l Park, Cameron Meadow | 1950 | Comment | ||
RSA0035910 | Lilaea scilloides | Lowell A. Ahart, John Dittes | 2008-6-20 | 14943 | 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 | ||
RSA772872 | Limosella acaulis | Robert F. Thorne, Larry E. DeBuhr | 1975-8-22 | 47206 | Lassen | Along Highway 395 ca. 5 miles north of Madeline and ca. 5.5 miles south of Modoc county line. | 1616 | 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 | ||
CHSC66265 | Limosella aquatica | Vernon H. Oswald; Lowell Ahart | 1996-6-24 | 7879 | 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 | ||
JEPS121274 | Limosella aquatica | Lowell Ahart, John Dittes | 2013-7-23 | 18889 | 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 | |||
RSA772871 | Limosella aquatica | Robert F. Thorne, Larry E. DeBuhr | 1975-8-22 | 47205 | Lassen | Along Highway 395 ca. 5 miles north of Madeline and ca. 5.5 miles south of Modoc county line. | 1616 | Comment | ||
UC1609099 | Limosella aquatica | Vernon H. Oswald and Lowell Ahart | 1993-6-28 | 5602 | Lassen | Rd 35N04 at Aspen Well n of Hwy 44 on the nw edge Harvey Valley (ne of Poison Lake); ne of Poison Lake | 1725 | Comment | ||
JEPS107873 | Linanthus ciliatus | Lowell Ahart, John Dittes | 2005-6-2 | 11936 | Lassen | Along a poor dirt road, 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 | 1600 | Comment | ||
CHSC1262 | Linanthus pungens | K. Chew | 1954-7-6 | Lassen | North end of Eagle Lake. | 1616 | Comment | |||
CDA33308 | Linanthus pungens | F. Taylor, Agric. Comm. | 1932-9-1 | Lassen | Beiber; near Niles Ranch | 0 | Comment | |||
UC1553388 | Linaria genistifolia subsp. dalmatica | G. Schoolcraft | 1988-8-23 | 1852 | Lassen | sw corner of Chestnut and Grand in Susanville Susanville | 1310 | Comment | ||
CHSC106064 | Linum lewisii var. lewisii | Lowell Ahart; John Dittes | 2010-7-31 | 16981 | Lassen | Dry meadow 10 yards northeast 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 | ||
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 | |||
CHSC5297 | Linum lewisii var. lewisii | W. Vinyard | 1946-6-20 | Lassen | Eagle Lake. Grasshopper Valley. | 1624 | Comment | |||
CHSC61430 | Linum lewisii var. lewisii | Vernon H. Oswald; Lowell Ahart | 1993-8-18 | 5832 | Lassen | Lassen Volcanic National Park. Summit ridge of Mt. Conard, near the S boundary of the park. Common in loose rock approaching the highest point on the ridge from the north. | 2484 | Comment | ||
UCD35730 | Linum lewisii var. lewisii | Beecher Crampton | 1960-6-18 | 5714 | Lassen | Southern Warner Mtns., vicinity of Blue Lake Ranch. | 1981 | Comment | ||
CHSC13605 | Lithophragma | Lynn R Thomas | 1969-4-17 | 96 | Lassen | Ca. 200 yds. up hillside e of Rice Canyon Rd., 5 mi n of junction with 'back road to Litchfield'. Ca 12 mi e of Susanville. | 1310 | Comment | ||
CHSC61177 | Lithophragma glabrum | Vernon Oswald; Lowell Ahart | 1993-5-12 | 5385 | 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 | ||
CAS-BOT-BC435431 | Lithophragma glabrum | H. C. Cantelow | 1941-5-22 | s.n. | Lassen | Fredonyer Pass, 13.5 miles west of Susanville | Comment | |||
SEINET6032241 | Lithophragma glabrum | J. A. Young | 1978-4-13 | s.n. | Lassen | Meyers Ranch, Adin | Comment | |||
CAS-BOT-BC428415 | Lithophragma tenellum | John Thomas Howell; Gordon H. True; Margaret Williams | 1973-5-12 | 49165 | Lassen | Elysian Valley northwest of Janesville. | 1325 | Comment | ||
CAS-BOT-BC428416 | Lithophragma tenellum | Doris Kildale Gillespie | 1930-5-13 | 9369 | Lassen | Between Susanville and Janesville | Comment | |||
CAS-BOT-BC428422 | Lithophragma tenellum | John Thomas Howell | 1934-6-14 | 12129 | Lassen | Near Lost Lake, Warner Mts. | 2438 | 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 | ||
UC506915 | Lithospermum ruderale | George A. Fischer and Irwin H. Johnson | 1933-7-19 | F 262 | Lassen | Lassen; Sec. 2 | 1783 | Comment | ||
CAS-BOT-BC269059 | Lolium perenne | John Thomas Howell; Gordon H. True | 1973-8-1 | 50187 | Lassen | Gold Run Creek road south of Susanville, Diamond Range | 1584 | Comment | ||
SEINET8588605 | Lomatium austiniae | A. Rosenblum, A. Ortega | 2015-5-28 | NV 030 -1063 | Lassen | Plumas allotment. HWY 395 into CA, first median crossing after check station, turn right, follow road left (north) to proposed fence site perpendicular to power line | 1460 | Comment | ||
CHSC42595 | Lomatium bicolor var. leptocarpum | Vernon Oswald | 1986-5-28 | 2048 | Lassen | Hwy 36, 11.3 mi e of the Plumas-Lassen Co. line, 0.5 mi sw of Fredonyer Pass. | 1691 | Comment | ||
JEPS15825 | Lomatium bicolor var. leptocarpum | M. S. Baker and Franklin P. Nutting | 1894-6-20 | Lassen | near Bieber (Big Valley); Big Valley | Comment | ||||
HSC21524 | Lomatium caruifolium var. denticulatum | B. R. Templeton | 1962-4-24 | Lassen | 2 mi W of Millville | Comment | ||||
RSA452590 | Lomatium donnellii | Christopher Davidson | 1975-6-7 | 2755 | Lassen | 1 mile E of Beckwourth Pass on Hwy 70. | 1524 | Comment | ||
JEPS125805 | Lomatium foeniculaceum subsp. macdougalii | William Harnach | 2010-6-8 | 1243 | Lassen | 2 miles west of the California Nevada state line, north side of Fort Sage Road, northeast of Doyle, CA. | Comment | |||
SEINET8584736 | Lomatium foeniculaceum subsp. macdougalii | W. Harnach | 2010-6-8 | 1243 | Lassen | 2 miles west of the California Nevada state line, north side of Fort Sage Road, northeast of Doyle, CA. | 1219 | Comment | ||
CHSC71064 | Lomatium macrocarpum | Vernon H. Oswald; Lowell Ahart | 1998-5-22 | 9110 | Lassen | Road to ORV parking area in Fort Sage Mtns. 0.6 mi east of Fort Sage Rd., ca. 5 mi NNE of Doyle. | 1402 | Comment | ||
UC1523794 | Lomatium nevadense | Gary Schoolcraft | 1981-4-23 | 365 | Lassen | Ash Valley | 1524 | Comment | ||
CHSC7745 | Lomatium plummerae | Beverly J. Wise | 1969-4-13 | 117 | Lassen | 2.9 mi. east of junction of Hwy 395 on Las. co. rd. 338 (Smoke Creek Road). | 1554 | Comment | ||
LA84783 | Lomatium ravenii | Tracy Call; Viola Call | 1961-5-30 | 2048 | Lassen | about 2 mi. S of Ravendale | 1462 | Comment | ||
CDA27193 | Lotus crassifolius | L. E. Allen | 1967-6-4 | Lassen | Pinecrest Ranch, 0.5 mile south of Susanville. | 0 | Comment | |||
HSC23526 | Lotus salsuginosus | R. Carter | 1967-6-27 | 554 | Lassen | 10 yds. off N side of rd., 1.75 mi. W of Eagle Lake Biology Station | 1585 | Comment | ||
POM253309 | Lotus unifoliolatus | A. A. Heller | 1938-7-28 | 15300 | Lassen | Just east of Westwood. | Comment | |||
CHSC110911 | Ludwigia palustris | Lowell Ahart; John Dittes | 2012-7-9 | 18291 | 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 | ||
RSA0028052 | Lupinus | John F. Emmel | 1996-7-14 | 1426 | Lassen | Long Valley; between Hwy. 395 and railroad tracks at south edge of Doyle. | 1305 | 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 | |||
JEPS97402 | Lupinus angustiflorus | Vernon H. Oswald and L. Ahart | 1994-7-24 | 7131 | Lassen | T31N R7E ca. center of N side of Sec. 23, 6400 ft, High Cascade Range, Red Fir Forest. N of Lake Almanor on Forest Route 10, ca. 3 mi N of Silver Lake and 1 mi W of Upper Stephens Mdws., just S of Pine Creek | 1950 | Comment | ||
CHSC118483 | Lupinus angustiflorus | Don Lepley | 2015-6-14 | Lassen | Lassen National Forest. Eagle Lake Ranger District. Along Road 32N73 about 0.4 air mile east-southeast of Antelope Mt. Lookout and about 18 air miles northwest of Susanville. UTM 677436 x 4495404 | 2244 | Comment | |||
UC727083 | Lupinus arbustus | A. A. Heller | 1938-6-4 | 15142 | Lassen | just w Fredonyer Pass (e of Westwood); just w of Fredonyer Pass | 1706 | Comment | ||
SEINET5327708 | Lupinus arbustus | J. Young | 1978-4-13 | s.n. | Lassen | Meyers Ranch, Adin, CA | Comment | |||
HSC63936 | Lupinus arbustus subsp. calcaratus | Teresa Prendusi | 1980-7-21 | Lassen | Fredonyer Peak near summit | 2393 | Comment | |||
NY732864 | Lupinus arbustus subsp. calcaratus | G. Schoolcraft | 1985-6-12 | 1417 | Lassen | 1/2 mile south of Cleghorn Flat | 1890 | Comment | ||
CAS-BOT-BC196340 | Lupinus argenteus var. argenteus | Alice Eastwood; John Thomas Howell | 1940-6-11 | 8003 | Lassen | Big Valley | Comment | |||
CAS-BOT-BC208739 | Lupinus argenteus var. heteranthus | Mrs. H. C. Cantelow | 1941-5-22 | s.n. | Lassen | In lava country, 11.7 miles south of Ravendale, on U.S. 395 | Comment | |||
CAS-BOT-BC208743 | Lupinus argenteus var. heteranthus | Roxana S. Ferris; Rena Duthie | 1919-6-13 | 18 | Lassen | Madaline | Comment | |||
CAS-BOT-BC208745 | Lupinus argenteus var. heteranthus | John Thomas Howell | 1974-7-8 | 50461 | Lassen | Susanville - Sierra Nevada | 1295 | Comment | ||
CAS-BOT-BC208746 | Lupinus argenteus var. heteranthus | John Thomas Howell | 1934-7-10 | 12560 | Lassen | Black's Mt. | Comment | |||
CAS-BOT-BC208747 | Lupinus argenteus var. heteranthus | John Thomas Howell; Gordon H. True; Margaret Williams | 1973-5-12 | 49232 | Lassen | On Hwy. 395 NW of Doyle on road to Milford - Sierra Nevada | 1280 | Comment | ||
CAS-BOT-BC208768 | Lupinus argenteus var. heteranthus | A. B. Clawson | 1935-7-13 | C- 213 | Lassen | 3 mi. SW of Madeline | Comment | |||
CHSC909 | Lupinus argenteus var. heteranthus | L. Harman | 1946-6-22 | Lassen | Webb's camp, Eagle Lake. | 1554 | Comment | |||
CHSC93684 | Lupinus argenteus var. heteranthus | Lowell Ahart; John Dittes | 2005-6-1 | 11873 | 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, 3.8 miles (air) northwest of Hallelujah Junction. | 1448 | Comment | ||
RSA0037007 | Lupinus argenteus var. heteranthus | Lowell A. Ahart, John Dittes | 2008-6-19 | 14873 | Lassen | 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 | ||
UC1191476 | Lupinus argenteus var. heteranthus | Verne Grant, Irving Schneider | 1947-8-1 | 8232 | Lassen | Madeline Plain; irrigation ditch running sw into State Fish and Game nesting area on w end of S19 | Comment | |||
UCD106809 | Lupinus argenteus var. heteranthus | R. N. Raynor | 1939-6-3 | s.n. | Lassen | Susanville. | Comment | |||
SEINET10484833 | Lupinus aridus | Billy Joe Cox | 1971-6-11 | Cox 3190 | Lassen | 6 mi w. Of susanville on calif. Hwy 36; in volcanic soil; association with Pinus ponderosa forest. | 1615 | Comment | ||
NY746669 | Lupinus brevicaulis | M. J. Williams | 1986-5-14 | 86- 40 --1 | Lassen | Near Highway 395, at Noble Emigrant Trail Sign, 7 road miles north of Litchfield | 1524 | Comment | ||
UC1184055 | Lupinus breweri | Jean Langenheim | 1957-6-26 | 4401 | Lassen | nw Said Valley (northeastern part of Lassen County); nw Said Valley | Comment | |||
CAS-BOT-BC196639 | Lupinus breweri var. breweri | Marcus E. Jones | 1897-6-21 | s.n. | Lassen | Chat | 1615 | Comment | ||
RSA160037 | Lupinus caudatus | David B. Dunn | 1956-7-3 | 11914 | Lassen | At junction of Highway 395 and 36 near Johnstonville. 6 miles east of Susanville. | Comment | |||
RSA59517 | Lupinus caudatus | E. K. Balls | 1950-5-21 | 14824 | Lassen | Standish, 7 miles from junction of Highway 36 and 395. | 1250 | Comment | ||
RSA91348 | Lupinus caudatus | F. W. Peirson | 1926-6-24 | 6852 | Lassen | Madeline Plain. | Comment | |||
SD51227 | Lupinus confertus | Darley F. Howe | 1960-9-21 | 2993 | Lassen | 2 miles north of Janesvill on Hwy 395 | 1280 | Comment | ||
SEINET10687175 | Lupinus croceus | Karen M. Meyer, Andrew Townesmith | 2007-7-23 | Meyer 154 | Lassen | Lassen National Forest. 6 miles SW on 32N10 off Hwy. 44. (Turn at rest area on Hwy. 44). At junction of 32N10, 32N09 and 31N36. | 1993 | Comment | ||
JEPS126477 | Lupinus holosericeus | Lillie Pennington, Jillian Pastick, Rachael Payer, Andrea Stuemsky | 2015-7-28 | CA 350 -068 | Lassen | Take 395 to Ravendale. Follow county road 527 to Buckhorn Byway. Follow for approximately 15 miles then turn right at the south end of Pilgrim Lake. Drive past two gates and through Painter's Creek. About 500 meters out of the creek on Painter's Flat. | Comment | |||
SEINET5332986 | Lupinus lepidus var. confertus | R. R. Halse | 2004-7-22 | 6670 | Lassen | Along U.S. Hwy 395, ca. 7.8 miles southeast of Susanville. | 1293 | Comment | ||
UC1982376 | Lupinus lepidus var. confertus | Richard R. Halse | 2004-6-22 | 6670 | Lassen | Along U. S. Hwy. 395 ca. 7.8 miles southeast of Susanville. | Comment | |||
UCD108246 | 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 | ||
UC1609421 | Lupinus leucophyllus | Vernon H. Oswald and Lowell Ahart | 1993-6-28 | 5607 | Lassen | Rd 35N04 n Hwy 44 (nw edge of valley, ne of Poison Lake); Harvey Valley, Aspen Well | 1725 | Comment | ||
SEINET10452640 | Lupinus meionanthus | Taylor | 1982-8-27 | Taylor 5050 | 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 | |||
UCSC010319 | Lupinus microcarpus var. microcarpus | Unknown | 2016-6-7 | 21018 | Lassen | West edge of State Highway 299, Big Valley Mountains, 0.4 air miles northeast of Big Valley Summit, 5.0 air miles southwest of Bieber. | 1398 | Comment | ||
CAS-BOT-BC323945 | Lupinus nevadensis | M. S. Taylor | 1982-5-29 | 4567 | Lassen | Along dirt road paralleling Hwy 395, on its E side, ca 0.5 mi N of Hwy 395 jct with Scott Rd, ca. 20 mi N of Reno. | Comment | |||
JEPS94110 | Lupinus nevadensis | Vernon H. Oswald and Lowell Ahart | 1998-5-22 | 9113 | Lassen | ca. 5 mi. n.-n.e. Doyle (rd. to ORV parking area in Fort Sage Mts., 0.6 mi. e. of Fort Sage Rd.); Fort Sage Mts. | 1402 | Comment | ||
SCFS2168 | Lupinus polyphyllus var. burkei | L. Loeblich | 1964-6-30 | 63 | Lassen | 17.6 mi N of Susanville on Hwy 139 in ditch 2 m E of hwy | 488 | Comment | ||
UC82153 | Lupinus polyphyllus var. burkei | T. S. Brandegee | 1892-7-28 | Lassen | Janesville | Comment | ||||
NY747608 | Lupinus polyphyllus var. saxosus | G. Schoolcraft | 1985-5-15 | 1386 | Lassen | Along Hwy 139 about 2 miles [illegible word] of Hayden Hill turnoff | 1463 | Comment | ||
NY747611 | Lupinus polyphyllus var. saxosus | H. D. D. Ripley | 1944-5-30 | 5982 | Lassen | 2 miles south of Madeline | 1707 | Comment | ||
HSC69591 | Lupinus pusillus subsp. intermontanus | Gary Schoolcraft | 1980-5-30 | 246 | Lassen | On S side of road into Diaz Ranch at N end of Mud Flat | 1360 | 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 | ||
SEINET6191823 | Lupinus sellulus subsp. sellulus | B. J. Cox | 1971-1 | 3186 | Lassen | 3 mi E of Westwood on CA 36 | 1608 | Comment | ||
SEINET10490228 | Lupinus sellulus var. artulus | Katherine L. Morris | 1973-5-25 | Morris 233 | Lassen | Collected 7.6 mi nw of jct of hwy 36 and 44 on hwy 44, in an area of yellow Pine and incense cedar. Very moist area. | Comment | |||
UC1523742 | Lycium barbarum | Gary Schoolcraft | 1981-7-21 | 522 | Lassen | Hayden Hill townsite | 1767 | Comment | ||
UC766758 | Lycium halimifolium | R. F. Hoover | 1940-10-1 | 4652 | Lassen | Johnstonville | Comment | |||
CDA40729 | Lycopus uniflorus | Gordon Leppig, J. Cromwell | 1997-7-27 | 625 | Lassen | Modoc National Forest. Blue Lake Ranch. | Comment | |||
CHSC66727 | Lythrum portula | Vernon H. Oswald; Lowell Ahart | 1996-8-1 | 8104 | Lassen | Mountain Meadows Reservoir of Westwood. On shore of reservoir NE of Indian Ole Dam. | 1539 | Comment | ||
HSC93435 | Lythrum portula | Vernon H. Oswald, L. Ahart | 1996-8-1 | 8104 | Lassen | Mtn. Meadows Reservoir SW of Westwood, receding shore NE of Indian Ole Dam | 1540 | Comment | ||
RSA518407 | Machaeranthera canescens var. canescens | George K. Helmkamp | 1990-10-4 | M- 5 | Lassen | South of Susanville in Plumas National Forest; north of Milford Pass. | 1463 | Comment | ||
SEINET10872918 | Machaerocarpus californicus | Mary Susan Taylor | 1982-6-12 | Taylor 4647 | Lassen | T29N R10E ne/nw sec 13. Westwood quad. Aquatic in still pond on n side of West Fork of Susan River, s side of Hwy 36 at jct w/ Willow Cr Rd, 8 mi w Susanville. | Comment | |||
UCSB48516 | Madia | Clare B. Hardham | 1961-6-16 | 7451 | Lassen | collected at Gold Run Creek S of Susanville | Comment | |||
UC1567356 | Madia citriodora | G. Schoolcraft | 1989-6-5 | 1897 | Lassen | intersection of Highway 139 and A2 s Adin | 1341 | Comment | ||
SD132249 | Madia elegans | G. Helmkamp | 1990-9-23 | A 6 | Lassen | 3.0 miles east of Susanville, along State Road 36. | 1340 | Comment | ||
UC296085 | Madia elegans | E. B. Babcock and J. L. Collins | 1926-7-21 | 88 | Lassen | near Peter Lassne's grave; Susanville | Comment | |||
CAS-BOT-BC343692 | Madia elegans | Gary Schoolcraft | 1985-8-5 | 1501 | Lassen | South of Doyle | 1402 | Comment | ||
SEINET11601334 | Madia elegans | M. J. Williams, G. L. Smith | 1983-1 | 83- 155 -2 | Lassen | 5 mi E of Hwy 395 on A-3 which joins the road to Alturas | 1372 | Comment | ||
UC1053319 | Madia glomerata | J. M. Tucker | 1950-7-25 | 1975 | Lassen | road from Pittville 33 mi nw Susanville | Comment | |||
CAS-BOT-BC334690 | Madia glomerata | David D. Keck | 1930-7-23 | 955 | Lassen | Fifteen miles west of Susan ville, Sierra Nevada | 1524 | Comment | ||
OBI55501 | Madia glomerata | David J. Keil, Kathleen Keil | 1992-7-25 | 23607 | Lassen | Along hwy 36, 9.1 mi E of Plumas County line, W of Susanville | Comment | |||
CAS-BOT-BC343054 | Madia gracilis | David D. Keck | 1930-7-23 | 949 | Lassen | Susanville | 1280 | Comment | ||
SEINET11601669 | Malacothrix glabrata | F. B. Henning | 1915-5-28 | s.n. | Lassen | Honeylake, Calif. | Comment | |||
SEINET11601737 | Malacothrix sonchoides | G. Schoolcraft | 1980-5-16 | 236 | Lassen | Behind kiln overn along Wendel Highway | 1280 | Comment | ||
RSA252423 | Marsilea vestita | R. F. Thorne, C. W. Tilforth | 1969-9-5 | 39139 | Lassen | Said Valley Reservoir. | Comment | |||
SEINET3816871 | Matricaria discoidea | Noel H. Holmgren, Patricia K. Holmgren | 1980-7-5 | 9522 | Lassen | Upper smoke creek drainage, 20.4 km from U.S. highway 395 via Rye Patch Canyon, 24 km airline distance southeast of Ravendale, | 1580 | 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 | ||
CHSC66389 | Medicago lupulina | Vernon H. Oswald; Lowell Ahart | 1996-6-17 | 7812 | Lassen | Modoc Plateau. Bizz Johnson Trail accessed at Devils Corral Trailhead located off of Hwy. 36 ca. 7 mi W of Susanville. On the edge of the trail at the 6.0 mile post E of Devils Corral Trailhead. | 1420 | Comment | ||
CHSC101026 | Melica fugax | John Dittes | 2008-5-22 | 1535 | 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 | ||
CHSC71342 | Melica fugax | Vernon H. Oswald | 1998-6-22 | 9232 | Lassen | Champs Flat Rd. (A-21) 1.8 mi north of Hwy. 44, ca. 18 air mi north of Westwood. | 1749 | Comment | ||
UCD37478 | Melica fugax | Beecher Crampton | 1960-6-18 | 5726 | Lassen | Lassen County, southern Warner Mountains, 1.25 miles north of Blue lake, in vicinity of Blue Lake Ranch. | 1981 | Comment | ||
UC593538 | Melica stricta | E. B. Babcock, G. L. Stebbins Jr. | 1936-6-7 | 1771 | Lassen | Red Rock | 1280 | Comment | ||
SCFS2161 | Melilotus albus | C. Meek | 1969-7-8 | 77 | Lassen | On roadside along Hwy 139, 2 mi E of Ravenville Rd. | 1524 | Comment | ||
CHSC30586 | Melilotus indicus | P. V. Caldwell | 1972-6-30 | 270 | Lassen | Jct. of Horse Lake Rd. and Hwy. 395. | Comment | |||
RSA0011454 | Mentha arvensis | Robert F. Thorne, Larry E. DeBuhr | 1975-8-22 | 46983 | Lassen | Along Highway 395 ca. 6 miles north of Madeline and 4.5 miles south of Modoc county line. | 1616 | 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 | ||
CHSC64791 | Mentzelia albicaulis | Vernon H. Oswald | 1995-5-31 | 6813 | Lassen | Modoc Plateau. Smoke Creek Ranch Rd. 2.0 mi e of Hwy. 395, between Litchfield and Ravendale. | 1341 | Comment | ||
CHSC71128 | Mentzelia albicaulis | Vernon H. Oswald | 1998-5-22 | 9137 | Lassen | Fort Sage Rd. 2.3 mi north of Hackstaff Rd., ca. 3.5 mi north of Doyle. | 1341 | Comment | ||
CHSC4437 | Mentzelia dispersa | K. R. Stern | 1967-6-30 | 2448 | Lassen | West Central side of Eagle Lake. | 1554 | Comment | ||
UC1191589 | Mentzelia dispersa | Verne Grant, Irving Schneider | 1947-8-1 | 8228 | Lassen | w end Section 19 (Irringation ditch running southwest into State Fish & Game nesting area.); Medelain Plain | Comment | |||
UCR73830 | Mentzelia montana | G. L. Webster | 1989-5-13 | 7705 | Lassen | 2.5 mi. east of Beckworth Pass | 1500 | Comment | ||
JEPS95001 | Mertensia ciliata | Vernon Oswald and Lowell Ahart | 1997-6-24 | 8617 | Lassen | 2.7 mi e of Lassen National Forest boundary (7.4 mi e of Gold Run Road (29N10), s of Susanville on n side of Diamond Mountain at an impoundment on the edge of Forest Road 29N43); Diamond Mountain, Forest Road 29N43 | 2036 | Comment | ||
CHSC61179 | Micranthes nidifica | Vernon H. Oswald; Lowell Ahart | 1993-5-12 | 5388 | Lassen | Hwy. 44 between Poison Lake and A21 (to Westwood), 1.6 mi SE of Pittsville Rd. Meadow on the S side of the road. | 1719 | Comment | ||
SD8331 | Micranthes odontoloma | Mrs. R. M. Austin | 1882-8-1 | Lassen | Lassen Co | Comment | ||||
SEINET10800109 | Microseris laciniata | Katherine L. Morris, Douglas G. LeDoux; David B. Dunn | 1973-5-25 | Morris 223 | Lassen | Collected in an area of sugar pine, Libocedrus, and yellow pine. 2.5 mi. N of Jct. 36 & Hwy 44. | Comment | |||
CHSC77197 | Microseris laciniata subsp. laciniata | G. Schoolcraft | 1993-6-1 | 2274 | Lassen | Secret Creek area S. of TulePatch Spring. Meadow. | 1463 | Comment | ||
CHSC99301 | Microseris laciniata subsp. laciniata | Lowell Ahart; John Dittes | 2008-6-22 | 15036 | Lassen | About 220 yards west of the road levee, open dry meadow area, 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 | ||
CHSC99143 | Microseris nutans | Lowell Ahart; John Dittes | 2008-6-19 | 14871 | Lassen | Along a small wash, 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 | ||
RSA702595 | Microseris nutans | L. P. Janeway | 2004-6-26 | 8152 | Lassen | High Cascade Range. Halls Flat; about 0.3 km east of Road 33N13; 3.5 km north of junction of Road 33N18. | 1714 | Comment | ||
CHSC112452 | Microsteris gracilis | Lowell Ahart; John Dittes, Todd Sloat | 2013-6-8 | 18741 | 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 | ||
CHSC61166 | Microsteris gracilis | Vernon H. Oswald; Lowell Ahart | 1993-5-12 | 5376 | Lassen | Canal crossing Hwy. 44, 3.5 mi NW of A21 ( to Westwood). | 1729 | Comment | ||
UC1609365 | Mimulus breviflorus | Vernon H. Oswald and Lowell Ahart | 1993-7-8 | 5652 | Lassen | 1.9 mi n Hwy. 44 (Pittville Rd. (Lassen 111, 36N01), se edge of lake, on the e side of the railroad, which parallels the lake shore at this point); Poison Lake | 1709 | Comment | ||
UC1778584 | Mimulus breviflorus | S. E. Schoenig | 1998-7-5 | 98 -71 | Lassen | Moist clayey soil. East side of Poison Lake, 50 meters W of Pitville Rd., 1.8 mi NW of Hwy 44. East of Railroad track and wet ditch. | 1749 | Comment | ||
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 | ||
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 | |||
HSC95322 | Mimulus guttatus | Gordon Leppig, Tony LaBanca, Leonel Arguello | 1997-6-29 | 533 | Lassen | Modoc National Forest, Blue Lake Ranch | 1970 | Comment | ||
JEPS28988 | Mimulus guttatus | Frances D. Payne | 1929-7-12 | 97 | Lassen | near s extremity Warner Range; Upper Silver Creek | 2499 | Comment | ||
JEPS23735 | Mimulus inflatulus | Rimo Bacigalupi with S. Galen Smith | 1957-6-28 | 5989 | Lassen | 7.0 mi n of Madeline (about 1 mi n of Sage Hen siding on Southern Pacific Railroad, just e of U.S. Highway 395) | 1676 | Comment | ||
UC27139 | Mimulus layneae | M. S. Baker and Frank Nutting | Lassen | Big Valley | Comment | |||||
JEPS10491 | Mimulus microphyllus | Jos. Grinnell | 1928-6-16 | Lassen | Eagle Lake | 1584 | Comment | |||
UC1136833 | Mimulus microphyllus | L. R. Short and J. Warren | 1936-6-10 | S- 417 | Lassen | Burgess Spring Experiment Range Lassen <National> Forest | 1856 | Comment | ||
UC773851 | Mimulus microphyllus | L. R. Short and J. Warren | 1936-6-10 | S- 417 | Lassen | Burgess Spring Experiment Range Lassen <National> Forest | 1856 | Comment | ||
UC27054 | Mimulus moniliformis | M. S. Baker and Frank Nutting | 1894-7-9 | Lassen | Pine Creek | Comment | ||||
CHSC59100 | Mimulus moschatus | Vernon H. Oswald; Lowell Ahart | 1992-8-25 | 5182 | Lassen | Lassen Volcanic National Park. Grassy creek near the S end of Snag Lake. | 1853 | Comment | ||
RSA411323 | Mimulus nanus var. jepsonii | Christopher Davidson | 1974-7-25 | 2499 | Lassen | Lassen Volcanic Nat. Park. At Juniper Lake. | 2134 | Comment | ||
HSC63954 | Mimulus nanus var. mephiticus | Teresa Prendusi | 1980-7-1 | Lassen | Champ's Flat | 1707 | Comment | |||
LA95554 | Mimulus nanus var. mephiticus | Frank W. Peirson; | 6853 | Lassen | Madeline Plain | Comment | ||||
RSA60367 | Mimulus nanus var. nanus | E. K. Balls | 1950-5-9 | 15952 | Lassen | 6 miles south of Milford, Hwy 395. | 1296 | Comment | ||
JEPS11060 | Mimulus primuloides | Brown and Wieslander | 1922-7-30 | 27 | Lassen | Martin Springs Eagle Lake | Comment | |||
JEPS88207 | Mimulus pulsiferae | Vernon H. Oswald and Lowell Ahart | 1996-6-24 | 7865 | 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 cabins. | 1633 | 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 | ||
POM43553 | Mimulus suksdorfii | Marcus E. Jones | 1897-6-19 | s.n. | Lassen | Chat. | 1524 | Comment | ||
NY813498 | Mirabilis laevis var. retrorsa | M. Bourell | 1997-5-31 | 5881 | Lassen | Wendel Road 10.9 miles southeast of Highway 395. | Comment | |||
UCD150408 | Mirabilis laevis var. retrorsa | William Anderson | 1963-6-23 | s.n. | Lassen | Wendel. | Comment | |||
SEINET10498937 | Monardella odoratissima | Mary Susan Taylor | 1974-1 | Taylor 275 | Lassen | Vicinity of Eagle Lake, ca. 13 mi NW of Susanville. | 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 | ||
CHSC5272 | Monardella odoratissima subsp. glauca | J. B. Kimsey | 1946-6-11 | Lassen | Pine Creek, near Eagle Lake. | 1580 | Comment | |||
UC1124581 | Monardella odoratissima subsp. glauca | H. P. Hagge | 1929-9-11 | 19 | Lassen | Logan Mtn. Eagle Lake Quadrangle | Comment | |||
UCR268963 | Monardella odoratissima subsp. glauca | Jim Andre, Tasha La Doux, Senna T. Andre, Elias Andre | 2013-7-12 | 31425 | 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 | ||
CAS-BOT-BC213933 | Monardella odoratissima subsp. pallida | Clare B. Hardham | 1969-8-28 | 17455 | Lassen | Slope west of Janesville, Sierra Nevada | Comment | |||
CHSC12413 | Monardella odoratissima subsp. pallida | Anne Linda Brisk | 1969-7-10 | 42 | Lassen | 6 mi from ELBS on Road 5A. | 1889 | Comment | ||
CHSC27651 | Monardella odoratissima subsp. pallida | N. E. Heiken | 1978-7-27 | 94 | Lassen | Beneath Pine Creek Birdge, just W of fish trap. | 1560 | Comment | ||
RSA18163 | Monardella odoratissima subsp. pallida | Carl B. Wolf | 1929-9-1 | 3782 | Lassen | Mt. Lassen Nat l Park, between Grassy Lake and Snag Lake. | Comment | |||
UC124968 | Monardella odoratissima subsp. pallida | T. S. Brandegee | 1892-6-26 | Lassen | Milford | Comment | ||||
JEPS122366 | Monardella sheltonii | Joseph Broberg, Jaycee Leonard | 2012-8-27 | CA 320 -127 | Lassen | From Alturas head South on Highway 395. At the town of Likely turn left onto county road 64, and continue to Jess Valley. Turn right at fork onto county road 258. Continue past Blue Lake, and turn onto Clark Valley road. Collection site is just after border between BLM and USFS land. South of aspen stand | Comment | |||
OBI77205 | Monolepis nuttalliana | Anthony Baniaga | 2011-7-23 | 462 | Lassen | Lassen NF. Poison Lake. Poison Lake quad T32N R7E sec 4 | 1700 | Comment | ||
UC851254 | Monolepis nuttalliana | Milo S. Baker | 1936-6-16 | 8365 | Lassen | ca. 30 mi. n. Susanville | Comment | |||
POM103154 | Monolepis spathulata | Marcus E. Jones | 1897-6-19 | s.n. | Lassen | Chat | 1524 | Comment | ||
CAS-BOT-BC444692 | Montia chamissoi | John Thomas Howell | 1934-6-14 | s.n. | Lassen | Near Lost Lake, Warner Mts. | 2438 | Comment | ||
CAS-BOT-BC444846 | Montia fontana | G. Schoolcraft | 1995-5-16 | 2478 | Lassen | 2 mi. east of Bull Flat. | 1615 | Comment | ||
NY497780 | Montia linearis | N. H. Holmgren | 1978-6-11 | 8915 | Lassen | Vicinity of spring at fork to Painters Flat on east side of Observation Peak, 28 km (17.4 miles) east of Ravendale and 22.5 km (14 miles) airline distance. | 1680 | Comment | ||
RSA715990 | Montia linearis | L. Ahart, John Dittes | 2005-6-2 | 11956 | Lassen | Along poor dirt road, 1 mile E of Anderson Ranch home, Long Valley, 4.5 miles air N of the intersection of Scott Road and Hwy 70, 6 miles NW of Hallelujah jct. | 1426 | Comment | ||
RSA129317 | Muhlenbergia asperifolia | H. S. Yates | 1936-8-11 | 6059 | Lassen | Near Red Rock. | 1341 | Comment | ||
UC1137155 | Muhlenbergia asperifolia | August L. Hormay | 1932-8-12 | Lassen | se edge of lake Lassen National Forest, Eagle Lake | Comment | ||||
HSC63924 | Muhlenbergia filiformis | Teresa Prendusi | 1980-7-1 | Lassen | Champs Flat, 8 mi. W of N Eagle Lake. | 1677 | Comment | |||
UCD86722 | Muhlenbergia filiformis | L. Whitney | 1933-8-15 | s.n. | Lassen | Meadow near Sheepshead. | 1889 | Comment | ||
RSA0115568 | Muhlenbergia richardsonis | Jim M. Andre, G. Clifton | 1993-6-11 | 33424 | Lassen | Modoc Plateau: NW of Snowstorm Mtn, approx. 3 mi. east of Horse Lake, 12 mi. S of Ravendale. | 1545 | Comment | ||
UCD86985 | Muhlenbergia richardsonis | L. D. Whitney | 1935-6-23 | s.n. | Lassen | Fruit Grower's Supply Company, Camp #10. | Comment | |||
RSA0011555 | Muhlenbergia richardsonis | R. F. Thorne, Larry E. DeBuhr | 1975-8-22 | 46997 | Lassen | Along Highway 395 ca. 5 miles north of Madeline and ca. 5.5 miles south of Modoc county line | 1616 | Comment | ||
UCD55275 | Muilla transmontana | Ellen Dean | 2006-5-15 | 3090 | 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. | 1246 | Comment | ||
HSC63965 | Muilla transmontana | Teresa Prendusi | 1980-5-8 | Lassen | Balls Canyon N of Shaffer Mtn. 6 mi. W of Hwy. 395 | 1372 | Comment | |||
CHSC118856 | Myosurus minimus | L. P. Janeway; B. Castro | 2015-6-5 | 11769 | Lassen | Great Basin, Modoc Plateau. Along County Road 512 16.9 road-km south from Surprise Valley Road towards Tuledad Canyon; ina small northwestern drainage into Post Canyon; 2.3 air-km east-southeast of Little Hat Mountain. | 1837 | Comment | ||
CHSC64893 | Myosurus minimus | Vernon H. Oswald; Lowell Ahart | 1995-6-19 | 6895 | Lassen | Modoc Plateau. Between Litchfield and Ravendale on Smoke Creek Ranch Rd., 4.9 mi e of Hwy. 395. | 1383 | Comment | ||
RSA0062303 | Myosurus minimus | Lowell Ahart, John Dittes | 2011-6-21 | 17531 | Lassen | Just west of the fence, about 300 yards southwest of the Parking Area west of the old barn, on the west side of Elkins Lane, Ash Creek State Wildlife Area, about 4.4 miles (air) west of Adin, about 7.2 miles (air) northeast of Bieber, Big Valley. | 1268 | Comment | ||
RSA233733 | Myriophyllum sibiricum | Robert F. Thorne, C. W. Tilforth | 1969-9-5 | 39134 | Lassen | Said Valley Reservoir. | Comment | |||
RSA17432 | Nama aretioides | Elmer I. Applegate | 1934-5-4 | 8929 | Lassen | Secret Valley, 20 miles south of Ravendale. | Comment | |||
JEPS29749 | Nama aretioides var. multiflora | Rimo Bacigalupi and L. R. Heckard | 1962-5-28 | 8503 | Lassen | in area n of Honey Lake (2 mi e of Wendel Junction on road from U.S. 395 past Flanagan to Pyramid Lake, Nevada) | 1219 | Comment | ||
RSA123149 | Navarretia breweri | L. R. Short, J. Warren | 1936-6-5 | S- 374 | Lassen | Lassen [National] Forest: MDM, Burgess Spr. Exp. Range | 1799 | Comment | ||
UC1184057 | Navarretia breweri | Jean Langenheim | 1957-6-22 | 4365 | Lassen | Said Valley Reservoir, ne part of Lassen County Said Valley Reservoir | Comment | |||
UC1537486 | Navarretia breweri | Gordon H. True Jr. | 1936-6-25 | 541 | Lassen | e of Harvey Ranger Station; Harvey Valley | 1706 | Comment | ||
CHSC117216 | Navarretia intertexta | Lowell Ahart; John Dittes | 2016-6-7 | 21001 | Lassen | Near Stonebreaker Road, 0.7 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 | ||
CHSC113069 | Navarretia intertexta subsp. intertexta | Lowell Ahart; John Dittes | 2013-7-22 | 18869 | 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 | ||
CHSC58848 | Navarretia intertexta subsp. propinqua | Vernon H. Oswald; Lowell Ahart | 1992-7-16 | 5111 | Lassen | Bridge Creek entering McCoy Flat Reservoir on the S side of Hwy. 44 between Old Station and Susanville. On the bed of the creek on the bed of the reservoir. Blue-flowered plants collected at Long Lake. | 1691 | Comment | ||
UC1594648 | Navarretia intertexta subsp. propinqua | Vernon H. Oswald and Lowell Ahart | 1992-7-16 | 5101 | Lassen | 1.2 mi se County Rd. A21 (Long Lake on the s of Hwy 44, between Old Station and Susanville); Long Lake | 1745 | Comment | ||
UCD32653 | Navarretia intertexta subsp. propinqua | Beecher Crampton | 1954-7-5 | 2047 | Lassen | Lassen County, 4.5 miles west of Susanville, along state highway 36. | 1432 | Comment | ||
RSA91887 | Navarretia intertexta subsp. propinqua | Beecher Crampton | 1954-7-5 | 2047 | Lassen | State Highway 36, 4.5 miles west of Susanville | 1433 | Comment | ||
UCD48605 | Navarretia intertexta subsp. propinqua | John M. Tucker | 1950-7-25 | 1977 | Lassen | On road from Pittville, 33 miles northwest of Susanville, Lassen County, California. | Comment | |||
GMDRC6949 | Navarretia leptalea subsp. leptalea | J. M. Andre, T. La Doux, Senna & Elias Andre | 2013-7-12 | 31423 | Lassen | along north side of Hwy 44 at south end of Grays Valley, along NF Rd# 33N02, north of Bogard Buttes, about 30 mi. west of Susanville. | 1733 | Comment | ||
SEINET3860229 | Navarretia leucocephala subsp. leucocephala | Leigh A. Johnson | 2006-1 | 06 -147 | Lassen | Lassen Natl. Forest: south side of Champs Flat Road, east end of Champs flat, a little west of Dow Flat road.; 0 | 1693 | 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 | ||
UC1058208 | Navarretia leucocephala subsp. minima | C. McMillan | 1949-6-15 | 1542 | Lassen | 5 mi w Bieber | Comment | |||
SEINET200214 | Navarretia minima | C. MIcMillan | 1949-6-15 | 1542 | Lassen | 5 miles W of Bleber. | Comment | |||
UCSB30253 | Nemacladus interior | Hardham, Clare | 1961-6-16 | Lassen | Gold Run Creek south of Susanville | Comment | ||||
CHSC93691 | 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 | ||
RSA38472 | Nemophila parviflora var. austiniae | P. A. Munz | 1947-5-18 | 11860 | Lassen | Fredonyer Forestry Public Camp Ground. W of Susanville. | 1509 | Comment | ||
CHSC112404 | Nemophila pedunculata | Lowell Ahart; John Dittes, Todd Sloat | 2013-6-8 | 18724 | 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 | ||
CHSC4447 | Neoholmgrenia andina | K. R. Stern | 1967-6-24 | 2416 | Lassen | Murrer Meadow Road, ca. 3 mi. E of Eagle Lake Biological Station. | 1554 | Comment | ||
CHSC4786 | Neoholmgrenia andina | R. Carter | 1967-6-29 | 572 | Lassen | On roadside, N side of Rd. Along road to Murrer's Meadow, Eagle Lake. | 1584 | Comment | ||
JEPS19729 | Neoholmgrenia andina | Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. | 1957-6-28 | 5992 | Lassen | about 1 mi n Sage Hen siding on S.P. Railway (along U.S. Hwy 395, and 7.0 mi n of Madeline) | 1676 | Comment | ||
CAS-BOT-BC349855 | Nestotus stenophyllus | Alice Eastwood; John Thomas Howell | 1940-6-15 | 8314 | Lassen | Upper Willow Creek east of Hayden Hill | Comment | |||
CDA41136 | Nicotiana attenuata | T. C. Fuller | 1959-7-7 | 4734 | Lassen | Highway 395, 2.4 miles south of road to Karlo. | 0 | Comment | ||
JEPS124603 | Nicotiana attenuata | G. R. Ostrander | 1965-7-12 | 256 | Lassen | Growing along U. S. 395 15 miles N. of the junction of Calif. 70 & U. S. 395. | Comment | |||
SJSU11381 | Nicotiana attenuata | M. R. Kempf | 1965-7-12 | 294 | Lassen | Eagle Lake | 1584 | Comment | ||
CHSC54175 | Nothocalais troximoides | Vernon H. Oswald | 1991-5-28 | 4627 | Lassen | Wayman Barn at the west end of Hunt Rd, Ash Creek Wildlife Area, ca. 5 miles northeast of Bieber. East of the barn. | 1264 | Comment | ||
UC1111001 | Nuphar lutea subsp. polysepala | Herbert L. Mason | 1957-7-7 | 14727 | Lassen | Valley s of Eagle Lake | Comment | |||
CDA20352 | Oenothera alyssoides var. villosa | D. Tillotson | 1942-6-1 | s.n. | Lassen | Modoc Plateau; Mud Flat Grade. | 0 | Comment | ||
CAS-BOT-BC171461 | Oenothera boothii subsp. alyssoides | Louella Bass | 1982-6-20 | s.n. | Lassen | Cemetery gate, McKissick | Comment | |||
JEPS124825 | Oenothera deltoides | C. Meek | 1969-7-8 | 68 | Lassen | Along Hi #395, 1 mi south of intersection to Herlong Army Depot, 8 mi. south of Milford. | 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 | ||
NY998638 | Oenothera deltoides var. piperi | W. W. Eggleston | 1911-9-3 | 7705 | Lassen | Vicinity of Doyle Station | 1290 | 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 | ||
UCR248227 | Onopordum acanthium | D. B. Joley | 1976-6-16 | 001 | Lassen | West side of Grasshopper Lake, on Hwy 139, 33 mi north of Susanville. | 1626 | Comment | ||
HSC103620 | Oreostemma alpigenum var. andersonii | Thomas W. Nelson, Jane Nelson | 1985-8-10 | 8015 | Lassen | Along north side of Silver Lake | 1829 | Comment | ||
SEINET230278 | Orobanche corymbosa | Noel H. Holmgren, Patricia K. Holmgren | 1980-7-4 | 9509 | Lassen | Observation Peak south side of mountain 18 km (11mi) airline distance east of Ravendale. | 1890 | Comment | ||
RSA0077927 | Orobanche corymbosa subsp. corymbosa | Clare B. Hardham | 1961-6-17 | 7530 | Lassen | Route 395 between Alturas and Susanville. | 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 | |||
SEINET3836941 | Orthocarpus cuspidatus subsp. copelandii | Marcus E. Jones | 1897-6-28 | Lassen | Diamond Mt., Susanville, Perkin's Ranch | 2225 | Comment | |||
UC1609287 | Orthocarpus cuspidatus subsp. cryptanthus | Vernon H. Oswald and Lowell Ahart | 1993-6-28 | 5604 | Lassen | Rd 35N04 at Aspen Well (n of Hwy 44 on nw edge of valley, ne of Poison Lake); Harvey Valley, ne of Poison lake | 1725 | Comment | ||
UC773854 | Orthocarpus cuspidatus subsp. cryptanthus | L. R. Short and J. Warren | 1936-6-23 | S- 453 | Lassen | Burgess Spr. Exp. Range; Lassen Forest, Burgess Spr. Exp. Range | 1743 | Comment | ||
RSA39737 | Orthocarpus lacerus | Philip A. Munz | 1947-5-20 | 11890 | Lassen | Milford. | 1265 | Comment | ||
NY404414 | Oxytheca dendroidea | E. K. Balls | 1952-10-10 | 18140 | Lassen | 5.5 miles northeast of Litchfield, Highway 395, between Susanville and Alturas | 1280.2 | 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 | ||
CAS-BOT-BC316858 | Packera eurycephala var. eurycephala | C. C. (Mrs.) Bruce | 1898-6-1 | 2176 | Lassen | Shumway | Comment | |||
CAS-BOT-BC316859 | Packera eurycephala var. eurycephala | Michael A. Vincent | 1999-6-9 | 8581 | Lassen | Along US Rte. 395, south of Ravendale Fire Station, 1.8 miles north of rest area, and 24.8 miles north of Litchfield. | 1524 | Comment | ||
UC35937 | Packera indecora | M. S. Baker and Frank Nutting | 1894-7-9 | Lassen | Pine Creek | Comment Read comments Sep 26 2006 |
||||
CHSC118854 | Packera multilobata | L. mP. Janeway; B. Castro | 2015-6-5 | 11774 | Lassen | Great Basin, Modoc Plateau. Along Tuledad Road (County Road 506) 4.7 road-km south of the junction at the west end ofTuledad Canyon; 2.6 air-km east-northeast of Dodge Reservoir. | 1846 | Comment | ||
CAS-BOT-BC317057 | Packera multilobata | Louella Bass | 1982-5-30 | s.n. | Lassen | Hillside near Biscar dam, Karlo Road northeast of Susanville | Comment | |||
POM99648 | Paeonia brownii | Marcus E. Jones | 1897-6-28 | s.n. | Lassen | Top of Diamond Mt., Susanville, Perkin's Ranch. | 2226 | Comment | ||
RSA59891 | Paeonia brownii | E. K. Balls | 1950-5-19 | 14774 | Lassen | Above Ash Creek Public Camp, off rd. from Adin to Madeline | 1585 | Comment | ||
CHSC112794 | Panicum | Lowell Ahart; John Dittes | 2013-7-23 | 18909 | Lassen | On the east side of the gravel road, north-south road west of Big Canal, 0.76 mile north of State Highway 299, 4.9 miles (air) northeast of Bieber, Big Valley. | 1257 | Comment | ||
CAS-BOT-BC259613 | Pascopyrum smithii | James Jokerst | 1983-7-25 | 1886 | Lassen | Near Madeline Plains | 1614 | Comment | ||
CDA5492 | Pastinaca sativa | T. C. Fuller | 1959-7-7 | 2793 | Lassen | North of Cornell Street, west of Foss Street, Susanville. | 0 | Comment | ||
JEPS107455 | 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 | ||
CHSC5898 | Pedicularis attollens | M. West | 1946-6-20 | Lassen | Eagle Lake. Grasshopper Valley. | 1624 | Comment | |||
SBBG68675 | Pedicularis attollens | S. W. Hutchinson | -Jun-1925 | 1092 | Lassen | Eagle Lake | 1554 | Comment | ||
JEPS94553 | Pedicularis groenlandica | Vernon Oswald and Lowell Ahart | 1997-6-24 | 8652 | 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 | ||
UC41744 | Pedicularis groenlandica | M. S. Baker and Frank Nutting | 1894-7-12 | Lassen | Comment | |||||
UC506905 | Pedicularis semibarbata | George A. Fischer, Irwin H. Johnson | 1933-7-19 | F 272 | Lassen | Lassen National Forest | 1737 | Comment | ||
SD6613 | Pedicularis semibarbata | Mrs. R. M. Austin | 1880-1 | Lassen | Dutch Hill | Comment | ||||
CHSC12945 | Penstemon cinicola | K. R. Stern | 1974-6-26 | 5852 | Lassen | Vicinity of Cold Spring, e of Butte Lake, Cinder Cone trail, Lassen Volcanic National Park. | 1859 | Comment | ||
CHSC80281 | Penstemon deustus | Jeanne Boze | 1981-6-12 | 119 | Lassen | 0.25 mi south of Eagle Lake Field Station. | 1615 | Comment | ||
CHSC4272 | Penstemon deustus var. pedicellatus | K. R. Stern | 1967-6-24 | 2426 | Lassen | Murrer Meadow Road, ca. 3 mi. E of Eagle Lake Biological Station. | 1554 | Comment | ||
HSC81803 | Penstemon deustus var. pedicellatus | Thomas W. Nelson, Jane P. Nelson | 1980-7-6 | 6035 | Lassen | Ash Valley, along branch road off Adin-Madeline Rd., just S of bridge over Ash Creek, 16 mi. SE of Adin, 2.5 mi. SE of junction with main road | 1555 | Comment | ||
JEPS28681 | Penstemon deustus var. pedicellatus | George W. Gillett | 1957-7-26 | 908 | Lassen | e shore Butte Lake Lassen Volcanic National Park, e shore Butte Lake | 1859 | Comment | ||
CHSC80282 | Penstemon gracilentus | Jeanne Boze | 1981-6-11 | 103 | Lassen | About 5 m from road, along Horse Lake Road, 5.5 mi from Hwy 139. | 1676 | Comment | ||
JEPS28707 | Penstemon gracilentus | George W. Gillett | 1957-7-28 | 936 | Lassen | near w shore, Widow Lake Lassen Volcanic National Park, Widow Lake | 2072 | Comment | ||
NY600703 | Penstemon gracilentus | G. Schoolcraft | 1990-7-9 | 2109 | Lassen | East slope of Tule Mountains | 1770 | Comment | ||
RSA537557 | Penstemon gracilentus | Barbara Ertter | 1988-7-25 | 7866 | Lassen | ridge of Diamond Mtns, ca. 1.5 mi. E of Diamond Peak, ca. 10 air miles due S of Susanville. | 2256 | Comment | ||
SEINET10917288 | Penstemon gracilentus | Karen M. Meyer, Andrew Townesmith | 2007-7-23 | Meyer 157 | Lassen | Lassen National Forest. 3.9 miles SW on 32N10 off Hwy. 44. (Turn at rest area). | 1900 | Comment | ||
HSC22978 | Penstemon gracilentus | John Pratt | 1970-6-21 | 31 | Lassen | 1738 | Comment | |||
SEINET5328215 | Penstemon gracilentus | G. Schoolcraft | 1994-7-7 | 2370 | Lassen | about 1 mi W of Boot Lake | 235 | Comment | ||
SEINET11262098 | Penstemon neotericus | Robert L. Johnson, Mikel R. Stevens | 2015-7-10 | 3937 | Lassen | Southern Cascade Range. North side of Westwood 0.3 rd mi west of jct with Mooney Rd on CA-36. N side of rd.; 0 | 1563 | Comment | ||
NY627256 | Penstemon neotericus | K. A. Vincent | 1987-8-5 | 4499 | Lassen | Sierra Nevada, Roop Mountain; along CA A1, ca. 4 miles northwest of jct. CA 36, site ca. 6 air miles west-northwest of Susanville | 1737.4 | Comment | ||
SEINET10547622 | Penstemon oreocharis | Mary Susan Taylor | 1974-1 | Taylor 287 | Lassen | Vicinity of Eagle Lake, ca. 13 mi NW of Susanville. | Comment | |||
CHSC7753 | Penstemon roezlii | Beverly J. Wise | 1969-5-15 | 109 | Lassen | 24.5 mi. East on Hwy 395 on the West side of Hwy. | 1554 | Comment | ||
HSC30182 | Penstemon roezlii | D. H. Norris, Thomas W. Nelson, S. Dowty | 1971-6-22 | 19289 | Lassen | Along Hwy. 395, 4 mi. E of Standish | Comment | |||
JEPS94531 | Penstemon roezlii | Vernon Oswald and Lowell Ahart | 1997-6-24 | 8623 .1 | Lassen | s of Susanville (on n side of Diamond Mountain on Forest Road 21N52 1.0 mi sw of its junction with 29N43); Diamond Mountain, Forest Road 21N52 | 2164 | Comment | ||
NY641730 | Penstemon roezlii | R. G. Olmstead | 1984-6-27 | 582 | Lassen | 10.3 miles east from U.S. 395 pm Rye Patch Canyon road. | 1603.3 | Comment | ||
NY641735 | Penstemon roezlii | K. A. Vincent | 1986-6-14 | 4321 | Lassen | Upper Long Valley; along east side of US 395, ca. 5.5 miles north of jct. US 70, ca. 13.2 road miles north of Bordertown and Nevada state line | 1463.0 | Comment | ||
UC1063511 | Penstemon roezlii | A. Simontacchi | 1940-6-20 | 851 A | Lassen | 4.1 mi w Harvey Mountain Lookout; Lassen National Forest, Hall's Flat Quad. | Comment | |||
UC423646 | Penstemon roezlii | David D. Keck | 1930-7-23 | 954 | Lassen | 12 mi w Susanville; Sierra Nevada | 1675 | Comment | ||
SEINET201570 | Penstemon roezlii | A. Cronquist, AH Holmgren | 1959-6-17 | 8470 | Lassen | 50 mi SE of Susanville | 1372 | Comment | ||
UCD124154 | Penstemon roezlii | Mrs. H. C. Cantelow | 1941-5-24 | s.n. | Lassen | Balls Canyon, south of Secret Valley. | Comment | |||
CAS-BOT-BC239494 | Penstemon rydbergii var. oreocharis | Lassen 1927 G. S. Crew | 1927-7-1 | 49 | Lassen | Lassen National Forest, Bogard R.S. pasture | 1712 | Comment | ||
CAS-BOT-BC239500 | Penstemon rydbergii var. oreocharis | John Thomas Howell | 1934-7-7 | 12460 | Lassen | Board Ranger Station | Comment | |||
CHSC116103 | Penstemon rydbergii var. oreocharis | Lowell Ahart; John Dittes | 2015-7-13 | 20316 | 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 | ||
CHSC12483 | Penstemon rydbergii var. oreocharis | Carol Weld | 1969-6-20 | 15 | Lassen | Dean's Meadow. | 1950 | Comment | ||
JEPS124372 | Penstemon rydbergii var. oreocharis | Lowell Ahart, John Dittes | 2015-7-13 | 20316 | Lassen | Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. | Comment | |||
NY650948 | Penstemon rydbergii var. oreocharis | H. D. D. Ripley | 1943-6-13 | 5706 | Lassen | 8 miles south of Milford | 1859.3 | Comment | ||
NY651292 | Penstemon rydbergii var. oreocharis | A. A. Heller | 1938-6-22 | 15182 | Lassen | 1 mile south of Westwood | 1524.0 | Comment | ||
UC1063479 | Penstemon rydbergii var. oreocharis | Robert W. Gardner | 1937-6-20 | G- 19 | Lassen | Burgess Spring Halls Flat Quad., Burgess Spring | Comment | |||
UC1063480 | Penstemon rydbergii var. oreocharis | A. Simontacchi | 1940-6-3 | 792 | Lassen | 8.3 mi se Alcohol Jacks Cabin; Lassen National Forest, Halls Flat Quad. | 1706 | Comment | ||
UC696714 | Penstemon rydbergii var. oreocharis | David D. Keck | 1938-6-22 | 15182 | Lassen | one mi e Westwood; e of Westwood | 1524 | Comment | ||
CHSC98580 | Penstemon speciosus | B. Castro; L. P. Janeway | 2005-7-10 | 1495 | 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 | ||
HSC63768 | Penstemon speciosus | Teresa Prendusi | 1980-7-1 | Lassen | Champs Flat, 6 mi. W of N tip of Eagle Lake | 1768 | Comment | |||
NY661031 | Penstemon speciosus | J. T. Howell | 1934-6-19 | 11882 | Lassen | 12 miles north of Susanville on road to Horse Lake | Comment | |||
POM195125 | Penstemon speciosus | D. D. Keck | 1930-7-23 | 950 | Lassen | Susanville. | 1280 | Comment | ||
POM44889 | Penstemon speciosus | Marcus E. Jones | 1897-6-28 | s.n. | Lassen | Top of Diamond Mt., Susanville, Perkin's Ranch. | 2226 | Comment | ||
SBBG26836 | Penstemon speciosus | D. D. Keck | 1930-7-23 | 47 | Lassen | Reno Junction | 1219 | Comment | ||
UC1063512 | Penstemon speciosus | A. Simontacchi | 1940-6-8 | 24250 | Lassen | 4.1 mi e Halls Flat Ranger Station; Lassen National Forest, Halls Flat Quad. | 1737 | Comment | ||
UC506982 | Penstemon speciosus | George A. Fischer and Irwin H. Johnson | 1933-7-12 | F 220 | Lassen | Lassen National Forest | 1706 | Comment | ||
CDA33279 | Penstemon speciosus | T. C. Fuller | 1963-6-11 | 10665 | Lassen | West side of Highway 395 at road to Horse Lake, 1.5 miles south of Ravendale. | 0 | Comment | ||
NY660811 | Penstemon speciosus | D. W. McNeal | 1983-6-5 | 2836 | Lassen | Road bank beside Highway #395, 9.2 miles north of the Plumas Co. line. | Comment | |||
NY660820 | Penstemon speciosus | H. D. D. Ripley | 1943-6-13 | 5672 | Lassen | South of Constantia | 1463.0 | Comment | ||
NY660833 | Penstemon speciosus | F. W. Pennell | 1940-6-10 | 25786 | Lassen | Route 36, 3 miles northwest of Westwood | 1645.9 | Comment | ||
NY661063 | Penstemon speciosus | D. D. Keck | 1935-6-25 | 3768 | Lassen | Ca. 2 miles west of Westwood on road to Chester at Co. line. | Comment | |||
CAS-BOT-BC239663 | Penstemon sudans | Francis W. Pennell | 1940-7-23 | 26253 | Lassen | Route 36, west of Susanville | 1371 | Comment | ||
CAS-BOT-BC239665 | Penstemon sudans | John Thomas Howell; Gordon H. True | 1973-8-1 | 50153 | Lassen | Gold Run Creek road south of Susanville, Diamond Range | 1584 | Comment | ||
CAS-BOT-BC239666 | Penstemon sudans | John Thomas Howell | 1974-7-9 | 50479 | Lassen | Between Susanville and SW end of Eagle Lake | 1828 | Comment | ||
CHSC23482 | Penstemon sudans | Wayne O. Baum | 1971-7-9 | 71 -86 | Lassen | E slope of Gallatin Peak. | 2072 | Comment | ||
CHSC4798 | Penstemon sudans | R. Carter | 1967-7-13 | 587 | Lassen | On S. side of Rd. ca. 1 mi NE of Eagle Lake Biology Station. | 1584 | Comment | ||
CHSC66408 | Penstemon sudans | Vernon H. Oswald | 1996-6-17 | 7781 | 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 Hwy. 36 between the trail and highway bridges spanning the Susan River. | 1432 | Comment | ||
NY661796 | Penstemon sudans | A. A. Heller | 1938-6-23 | 15194 | Lassen | East of Fredonyer Pass | 1615.4 | Comment | ||
UC27436 | Penstemon sudans | J. Burtt Davy | Jun 17 1897-Jun 24 1897 | 3401 | Lassen | Willow Creek , Willow Creek (Honey Lake Valley) | Comment | |||
RSA0029641 | Penstemon sudans | Anthony Baniaga, R. Bomberger | 2011-7-28 | 478 | Lassen | Lassen National Forest. Highway 36, ca. 1/4 mile E of 'Fredonyer Pass Winter OHV Parking Lot.' | 1950 | Comment | ||
SEINET5323636 | Penstemon sudans | N. H. Holmgren, P. K. Holmgren | 1978-6-12 | 8937 | Lassen | Rye Patch Canyon, 4.3 km (2.7 mi) E of U.S. Hwy 395, just above Ramhorn Campground, 14.5 km (9 mi) airline distrance SE of Ravendale | 1740 | Comment | ||
SEINET5323637 | Penstemon sudans | G. Schoolcraft | 1998-7-14 | 2761 | Lassen | In rimrock NE of Shaffer Mtn | 1356 | Comment | ||
JEPS83459 | Penstemon venustus | Vernon Oswald | 1986-7-22 | 2219 | Lassen | 1 mi ne of Fredonyer Pass (Highway 36); Highway 36 | 1706 | Comment | ||
SEINET7356257 | Penstemon venustus | Robert L. Johnson, Mikel R. Stevens | 2015-7-10 | 3935 | Lassen | E of Freydonyer Pass. 6.2 rd mi west on Hwy 36 after jct with Hwy 44. S side of rd. Ca 11 air mi wsw of Susanville.; 0 | 1659 | Comment | ||
SEINET12335380 | Penstemon venustus | K. A. Vincent | 1987-1 | 4500 | Lassen | Sierra Nevada, SE side of Fredonyer Butte, N side of CA 36 ca 11.5 mi WSW of Susanville | 1585 | Comment | ||
CHSC7723 | Peraphyllum ramosissimum | Beverley J. Wise | 1969-5-4 | 193 | Lassen | 1.5 mi. west of Shaeffer Mtn lookout access road off Hwy 395 (approx. 1 mi. south of Las Co. 338). | 1676 | Comment | ||
RSA59742 | Peraphyllum ramosissimum | E. K. Balls | 1950-5-19 | 14789 | Lassen | 1.6 miles S of Modoc county line, Hwy. 395, between Madeline and Likely. | 1463 | Comment | ||
CHSC27656 | Perideridia bolanderi | Jerry Snodgrass | 1978-7-11 | 54 | Lassen | Papoose Creek, SE corner of Eagle L. | 1584 | Comment | ||
CHSC29907 | Perideridia bolanderi | Robin Ondricek; Wesley Dempsey | 1978-6-7 | 43 | Lassen | Ridge E of Lower Dry Lake, 12.5 mi N of Susanville. | 1706 | Comment | ||
CHSC42647 | Perideridia bolanderi subsp. bolanderi | Vernon Oswald | 1986-5-28 | 2049 | Lassen | Hwy 36, 11.3 mi e of the Plumas-Lassen Co. line, 0.5 mi sw of Fredonyer Pass. | 1691 | Comment | ||
NY1102214 | Perideridia bolanderi subsp. bolanderi | G. Schoolcraft | 1989-5-31 | 1889 | Lassen | Skedaddle Ranch Rd. about 6 miles north of Wendel Road | 1494 | Comment | ||
UCD20364 | Peritoma platycarpa | Joe DiTomaso | 2002-6-4 | s.n. | Lassen | About 3 miles northwest of the junction between Nevada, Modoc and Lassen counties. Study plots near Susanville. | Comment | |||
CHSC6232 | Persicaria | 1945-7-1 | Lassen | Eagle Lake. | 1554 | Comment | ||||
CHSC13648 | Persicaria amphibia | M. S. Taylor | 1974-7-10 | 312 | Lassen | Abundant in floating masses along w shore of Eagle Lake in vicinity of Grebe Nesting Area, ca. 13 mi nw of Susanville. | 1524 | Comment | ||
CHSC13862 | Persicaria amphibia | F. T. Griggs | 1973-4-25 | 100 | Lassen | Northwest shore of Black Mountain in Eagle Lake. | Comment | |||
CHSC71885 | Persicaria lapathifolia | Vernon H. Oswald | 1998-9-8 | 9583 | Lassen | Ash Creek and Big Swamp 2.2 mi north of Bieber on County Road 91 (Bieber-Lookout Rd.) | 1258 | Comment | ||
CHSC77223 | Persicaria lapathifolia | G. Schoolcraft | 1996-9-11 | 2560 | Lassen | Lower end of Willow Creek below petroglyphs and above dam. | 1341 | Comment | ||
CHSC64878 | Phacelia adenophora | Vernon H. Oswald; Lowell Ahart | 1995-6-19 | 6884 | Lassen | Modoc Plateau. Between Litchfield and Ravendale on Smoke Creek Ranch Rd., 0.7 mi e of Hwy. 395. | 1371 | Comment | ||
CHSC704 | Phacelia adenophora | A. Santos | 1946-6-20 | Lassen | Grasshopper Valley. | 1615 | Comment | |||
CHSC7682 | Phacelia adenophora | Beverley J. Wise | 1969-5-3 | 49 | Lassen | 6.1 mi. junction with Hwy 395 on Las. Co. Rd. 338. | 1615 | 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 | ||
JEPS95723 | Phacelia adenophora | Vernon H. Oswald and L. Ahart | 1995-6-19 | 6884 | Lassen | T30N R15E NE1/4 SE1/4 Sect. 22, 4500 ft, Modoc Plateau, Sagebrush Scrub. Between Litchfield and Ravendale on Smoke Creek Ranch Rd., 0.7 mi e of Hwy. 395 | 1371 | Comment | ||
POM266184 | Phacelia adenophora | J. T. Howell | 1934-6-10 | 11898 | Lassen | Horse Lake | Comment | |||
SJSU9143 | Phacelia adenophora | M. R. Kempf | 1965-7-13 | 296 | Lassen | by Hwy 139, 14 mi N of Susanville | 1524 | Comment | ||
UCD120257 | Phacelia adenophora | Arnold Tiehm; Margaret Williams, Jan Nachlinger | 1988-6-2 | 11701 | Lassen | South side of Shaffer Mt., 3.4 road miles north of the Wendel road on highway 395 from Susanville to Alturas. | 1386 | Comment | ||
POM230485 | Phacelia adenophora | D. D. Keck, Jens Clausen | 1935-6-24 | 3736 | Lassen | 2 miles south of Ravendale. | 1463 | Comment | ||
CHSC93554 | Phacelia hastata subsp. compacta | Lowell Ahart; John Dittes | 2005-6-2 | 11950 | Lassen | Long Valley, along a poor dirt road, about 1 mile northeast of the Anderson Ranch home, about 5 1/2 miles (air) north of the intersection of Scott Road and Highway 70, 6.7 miles (air) northwest of Hallelujah Junction. | 1498 | Comment | ||
RSA152678 | Phacelia heterophylla subsp. virgata | I. L. Wiggins, Dorothy Wiggins | 1961-6-11 | 16362 | Lassen | On ridge and along road, near northeast end of Eagle Lake. | Comment | |||
CHSC28594 | Phacelia humilis | M. S. Taylor | 1974-7-9 | 266 | Lassen | Scattered ca 3 ft e side of Whitehead Rd, ca. 1/4 mi n of Eagle Lake Field Station, ca. 13 mi nw of Susanville. | Comment | |||
JEPS2119 | Phacelia humilis | Brown and Wieslander | 1922-7-18 | 63 | Lassen | Martin Sprs. Eagle Lake | Comment | |||
NY1057845 | Phacelia humilis | B. J. Ertter | 1987-6-16 | 7196 | Lassen | Skeedaddle Mountains on northeast side of Honey Lake; saddle on east side of Hot Springs Peak | 2195 | Comment | ||
UC1537529 | Phacelia humilis | Gordon H. True Jr. | 1936-6-27 | 565 | Lassen | n slope Hot Springs Mountain | 1676 | Comment | ||
SDSU6647 | Phacelia humilis | D. F. Howe | 1964-7-1 | 3914 | Lassen | 4.8 miles from Harvey Creek on ridge road, warner Mts. Modoc National Forest. | 2134 | Comment | ||
UC24375 | Phacelia humilis | M. S. Baker and Frank Nutting | 1894-7-7 | Lassen | Harvey's Ranch | Comment | ||||
RSA201834 | Phacelia humilis var. humilis | Jack Major | 1966-6-24 | s.n. | Lassen | Above Blue Lake, Warner Mountains, Modoc National Forest, northeastern part of the county (ca. 18 miles airline southeast of Likely). | 1905 | Comment | ||
RSA516986 | Phacelia humilis var. humilis | Barbara Ertter, Gary Schoolcraft | 1987-6-16 | 7196 | Lassen | Skeedaddle Mountains on northeast side of Honey Lake; saddle on east side of Hot Springs Peak. | 2195 | Comment | ||
CHSC58500 | Phacelia hydrophylloides | Vernon H. Oswald | 1992-7-3 | 5060 | Lassen | Lassen Volcanic National Park. Trail between Juniper and Horseshoe lakes, on the W side of the ridge between the lakes. | 2078 | Comment | ||
CHSC5263 | Phacelia imbricata | 1944-7-6 | Lassen | Eagle Lake. Harvey Valley. | 1694 | Comment | ||||
CHSC5051 | Phacelia linearis | L. B. Barlow | 1967-6-23 | 3 | Lassen | Vic. Eagle Lake Biological Station, east central side of Eagle Lake. | 1554 | Comment | ||
CHSC60748 | Phacelia linearis | Vernon H. Oswald; Lowell Ahart | 1993-6-14 | 5532 | 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). | 1566 | Comment | ||
CHSC68751 | Phacelia linearis | Vernon H. Oswald; Lowell Ahart | 1997-5-27 | 8526 | Lassen | Coyote Flat on Forest Route 38N04 4.9 mi northeast of Hwy.139. | 1813 | Comment | ||
CHSC71090 | Phacelia linearis | Vernon H. Oswald; Lowell Ahart | 1998-5-22 | 9106 | 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 | ||
SD6842 | Phacelia linearis | Mrs. R. M. Austin | 1879-1 | Lassen | Eagle Lake | Comment | ||||
NY998461 | Phacelia linearis | J. T. Howell | 1934-6-10 | 11901 | Lassen | 3 miles south of Ravendale | Comment | |||
POM73491 | Phacelia linearis | Marcus E. Jones | 1897-6-18 | s.n. | Lassen | Chat. [also Chats, a former settlement] | 1524 | Comment | ||
RSA428037 | Phacelia linearis | Rockwell | 1925-7-1 | s.n. | Lassen | Eagle Lake | Comment | |||
UCD120559 | Phacelia linearis | Tracy I. Storer | 1961-6-7 | s.n. | Lassen | State Highway 395, 13 miles southeast of Susanville. | Comment | |||
NY1056436 | Phacelia lutea var. glandulifera | P. A. Munz | 1947-5-19 | 11879 | Lassen | Highway 395 4 miles south of Madeline | Comment | |||
UC107396 | Phacelia procera | T. S. Brandegee | 1892-7-2 | Lassen | Susanville | Comment | ||||
UC24457 | Phacelia ramosissima var. eremophila | Milo S. Baker | 1894-7-25 | Lassen | Eagle Lake | 1524 | Comment | |||
CAS-BOT-BC159229 | Phacelia ramosissima var. subglabra | John Thomas Howell | 1934-6-30 | 11873 | Lassen | Janesville | Comment | |||
JEPS109642 | Phacelia thermalis | Dean W. Taylor | 2002-6-21 | 18170 | Lassen | Highway 139 ca. 10 miles N of Susanville, ca. 1 mile south of the southerly end of Willow Creek Valley | 1524 | Comment | ||
RSA38633 | Phacelia thermalis | P. A. Munz | 1947-5-19 | 11878 | Lassen | Highway 395, 4 miles south of Madeline. | Comment | |||
CHSC66740 | Phalaris arundinacea | Vernon H. Oswald; Lowell Ahart | 1996-8-1 | 8108 | Lassen | Mountain Meadows Reservoir SW of Westwood. On the shore of the reservoir NE of Indian Ole Dam. | 1539 | Comment | ||
UCD88537 | Phalaris arundinacea | R. Tofsrud | 1947-7-20 | 257 | Lassen | Near Pittville. | Comment | |||
CAS-BOT-BC253549 | Phleum alpinum | G. Schoolcraft | 1997-8-6 | 2668 | Lassen | Diamond Mtn. | 2316 | Comment | ||
JEPS114635 | Phlox gracilis | Lowell Ahart, John Dittes | 2008-6-20 | 14929 | Lassen | Around 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 | ||
JEPS94134 | Phlox gracilis | Vernon H. Oswald and Lowell Ahart | 1998-5-22 | 9100 | Lassen | ca. 3 mi. n. Doyle (Hackstaff Rd. 1.0 mi. s. of Laver Crossing Rd., 0.2 mi. n. of Fort Sage Rd.) | 1316 | Comment | ||
UC1137763 | Phlox gracilis | August L. Hormay | 1934-5-9 | Lassen | Black Mt. Headquarters Lassen National Forest | 1706 | Comment | |||
CHSC4263 | Phlox speciosa | K. R. Stern | 1967-6-24 | 2412 | Lassen | Murrer Meadow Road, ca. 3 mi. E of Eagle Lake Biological Station. | 1554 | Comment | ||
NY963723 | Phlox speciosa | LeDoux | 1973-5-25 | 867 | Lassen | Collected 3 miles north of Milford, on Highway 395 at Honey Lake campgrounds | Comment | |||
CHSC1306 | Phlox speciosa subsp. occidentalis | M. Anthony | 1953-4-27 | Lassen | Susanville. | 1280 | Comment | |||
OBI76927 | Phlox speciosa subsp. occidentalis | Anthony Baniaga | 2011-6-11 | 333 | Lassen | Lassen Natl forest. At intersection of A1 and Sydnes Rd, N side of Eagle lake. Troxel Point quad T33N R11E sec 21 | 1623 | Comment | ||
RSA715978 | Phlox speciosa subsp. occidentalis | L. Ahart, John Dittes | 2005-6-2 | 11928 | Lassen | about 1.4 miles 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. | 1499 | Comment | ||
UC23964 | Phlox speciosa subsp. occidentalis | M. S. Baker and Frank Nutting | 1894-7-3 | Lassen | Dixie Mts. | Comment | ||||
CHSC106668 | Phlox stansburyi | B. Ignacio | 2008-5-3 | Lassen | Fort Sage Mountains. | 1520 | Comment | |||
CHSC35953 | Phlox stansburyi | M. S. Taylor | 1982-5-29 | 4572 | Lassen | Ca. 500 yds ne of the jct of Hwys 70 and 395 at Hallululia Jct, ca 23 mi n of Reno. | Comment | |||
CHSC36495 | Phlox stansburyi | Theresa Costa | 1982-6-4 | 31 | Lassen | Ca. .5 mi e of Murrers Upper Meadow, rd along e edge. | Comment | |||
CHSC64803 | Phlox stansburyi | Vernon H. Oswald | 1995-5-31 | 6802 | Lassen | Modoc Plateau. Smoke Creek Rance Rd. 0.4 mi e of Hwy. 395, between Litchfield and Ravendale. | 1383 | Comment | ||
JEPS94127 | Phlox stansburyi | Vernon H. Oswald and Lowell Ahart | 1998-5-22 | 9114 | Lassen | ca. 5 mi. n.-n.e. Doyle (rd. to ORV parking area in Fort Sage Mts. 0.6 mi. e. of Fort Sate Rd.); Fort Sage Mts. | 1402 | Comment | ||
RSA303543 | Phoenicaulis cheiranthoides | J. R. Shevock | 1971-4-9 | 945 | Lassen | Hwy 299, E of Dana. | 1159 | Comment | ||
UC117651 | Phoenicaulis cheiranthoides | T. S. Brandegee | 1892-7-30 | Lassen | Susanville | Comment | ||||
POM94709 | Phoenicaulis cheiranthoides | Marcus E. Jones | 1897-6-28 | s.n. | Lassen | Top of Diamond Mt. Susanville. Perkin's Ranch. | 2226 | Comment | ||
RSA0027357 | Phoradendron juniperinum | John F. Emmel | 1994-7-17 | 1332 | Lassen | Along road near north base of Observation Peak. | 1768 | Comment | ||
UC769862 | Phragmites australis | R. F. Hoover | 1940-10-11 | 4682 | Lassen | s Doyle; Long Valley | Comment | |||
CHSC4886 | Pinus contorta subsp. murrayana | Bill Wilson | 1967-7-15 | 204 | Lassen | Collected at the edge of Silver Lake, 20 mi. NW of Susanville. | 1889 | Comment | ||
UCD133167 | Pinus contorta subsp. murrayana | Beecher Crampton | 1960-6-21 | 5743 | Lassen | Gurnsey Creek. 3.5 miles E of Child's Meadow, along State Hwy. 36. | 1463 | Comment | ||
SEINET11604123 | Pinus jeffreyi | D. Charlet, Darryl LeMaire | 1994-7-8 | 1941 | Lassen | Sierra Nevada, Near summit of Doyle grade | 1707 | Comment | ||
CAS-BOT-BC80047 | Pinus washoensis | John Thomas Howell | 1969-8-7 | 45886 | Lassen | Between Butte Lake and Cinder Cone | Comment | |||
UC1951062 | Plagiobothrys | Debra Valov | 2007-5-22 | 2007086 | Lassen | Bieber, ca. 12 km east of Hwy 299 via County Rd A2. | Comment | |||
CHSC60332 | Plagiobothrys cognatus | Mary Ann Showers | 1992-6-13 | 2547 | Lassen | Lassen Volcanic National Park. Shoreline at western end of Widow Lake. | 2072 | Comment | ||
CHSC84879 | Plagiobothrys cognatus | Samantha Mackey Hillaire; Linnea Hanson, Catie Bishop | 2003-9-21 | 355 | 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 | ||
CHSC117547 | Plagiobothrys cusickii | Lowell Ahart; John Dittes | 2016-7-13 | 21114 | 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 northern slope of Big Valley. | 1289 | Comment | ||
CHSC93708 | Plagiobothrys cusickii | Lowell Ahart; John Dittes | 2005-6-1 | 11906 | Lassen | 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 | ||
CAS-BOT-BC224978 | Plagiobothrys hispidulus | Philip A. Munz | 1947-5-20 | 11891 | Lassen | Milford | 1264 | Comment | ||
JEPS87509 | Plagiobothrys hispidulus | Vernon H. Oswald and Lowell Ahart | 1993-6-14 | 5510 | Lassen | ca 3 mi (air) w. Eagle Lake (junction of Lassen A1 (Eagle Creek Rd.) with Lassen A21 (32N02)) | 1813 | Comment | ||
UC1609215 | Plagiobothrys hispidulus | Vernon H. Oswald and Lowell Ahart | 1993-6-14 | 5510 | Lassen | ca 3 mi (air) w. Eagle Lake (junction of Lassen A1 (Eagle Creek Rd.) with Lassen A21 (32N02)) | 1813 | Comment | ||
RSA666368 | Plagiobothrys hispidus | Barbara Ertter | 1987-7-25 | 7318 | Lassen | Hwy 44 ca 1 mi E of Shasta Co. line. | 1646 | Comment | ||
RSA0001862 | Plagiobothrys humifusa | Marcus E. Jones | 1897-6-18 | s.n. | Lassen | Chat. [also Chats, a former settlement] | 1524 | Comment | ||
CHSC71078 | Plagiobothrys leptocladus | Vernon H. Oswald; Lowell Ahart | 1998-5-22 | 9099 | 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. On the bed of a vernal pool. | 1316 | Comment | ||
HSC31353 | Plagiobothrys mollis | D. H. Norris, Thomas W. Nelson, S. Dowty | 1971-6-22 | 19273 | Lassen | Harvey Valley near Cone Springs | Comment | |||
CAS-BOT-BC228466 | Plagiobothrys mollis | Clarence R. Quick | 1962-6-17 | 62 25 B | Lassen | Swains Hole, S of Blacks Mountain Experimental Station | 1554 | 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 | ||
CHSC117214 | Plagiobothrys stipitatus var. micranthus | Lowell Ahart; John Dittes | 2016-6-7 | 20978 | Lassen | Strand of the pond, about 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 | ||
POM368959 | Plagiobothrys tenellus | Christopher Davidson | 1975-6-7 | 2766 | Lassen | 1 mi E of Beckwourth Pass on Hwy 70. | 1524 | Comment | ||
POM89198 | Plagiobothrys tenellus | Milo S. Baker | 1890-1 | s.n. | Lassen | Milford. | Comment | |||
RSA60317 | Plagiobothrys tenellus | E. K. Balls | 1950-5-9 | 15950 | Lassen | 12 miles north of Doyle, Hwy 395. | 1296 | Comment | ||
SEINET3152918 | Plagiobothrys tenellus | E. K. Balls | 1950-5-9 | 15950 | Lassen | 12 miles N of Doyle, hwy 395. | 1295 | Comment | ||
CAS-BOT-BC136632 | Platanthera | A. M. Vollmer; L. Beane | 1953-7-1 | 74 | Lassen | Field redacted by CAS, contact the data manager for more information | 1554 | Comment | ||
SJSU9125 | Platanthera dilatata var. leucostachys | H. L. Buckalew | 1961-7-2 | Lassen | Blue Lake near Blue Lake Road | Comment | ||||
CHSC12462 | Platanthera leucostachys | Robert W. Severin | 1969-6-26 | 21 | Lassen | 7.2 mi along road from E. L. B. S. to Galatin Beach. 3 mi. s of E. L. B. S. | 1645 | Comment | ||
CHSC6278 | Platanthera leucostachys | M. West | 1946-7-7 | Lassen | Butte Creek. | Comment | ||||
CHSC67073 | Platanthera leucostachys | Willis Ball | 1969-6-26 | 41 | Lassen | Above Gallatin Beach. | 1615 | Comment | ||
SD7498 | Platanthera sparsiflora | Mrs. R. M. Austin | 1880-1 | Lassen | No further locality information given on label on specimen sheet. | Comment | ||||
CHSC29955 | Plectritis macrocera | Robin L. Ondricek | 1978-5-25 | 24 | Lassen | Eagle Lake Field Station. | 1554 | Comment | ||
CAS-BOT-BC326710 | Pleiacanthus spinosus | John Thomas Howell | 1961-9-25 | 36971 | Lassen | East side of Beckwourth Pass, Sierra Nevada | 1554 | Comment | ||
UCD92181 | Poa | J. B. Davy | 17-24 Jun 1897 | 3319 | Lassen | Honey Lake Valley. Byer's Ranch. | Comment | |||
SEINET10863882 | Poa | David B. Dunn, Billy Joe Cox | 1971-6-2 | Dunn 17758 | Lassen | Approx. 12 mi S of Adin on Calif. Hwy 139, in basalt & clay; along edge of road on rolling knoll, in Artemesia_Juniper assoc. | 1372 | Comment | ||
HSC68801 | Poa bolanderi | Gary Schoolcraft | 1980-8-13 | 349 | Lassen | N side of Diamond Mtn. | 1951 | Comment | ||
UCD90701 | Poa bulbosa | F. H. Taylor | 1932-5-1 | s.n. | Lassen | India Valley. | Comment | |||
CAS-BOT-BC255033 | Poa compressa | John Thomas Howell | 1974-7-10 | 50553 | Lassen | Elysian Valley | 1325 | Comment | ||
RSA716274 | Poa cusickii | L. Ahart, John Dittes | 2005-6-2 | 11927 | Lassen | about 1.4 miles 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. | 1499 | Comment | ||
UCD90919 | Poa cusickii | Leo Whitney | 1935-6-10 | 3219 | Lassen | Camp 10, Fruit Grower's Supply Company, Lassen National Forest. | Comment | |||
UCD90921 | Poa cusickii | L. D. Whitney | 1935-6-26 | s.n. | Lassen | Near Fruit Grower's Supply Co., Camp 10. | Comment | |||
UC1024814 | Poa cusickii subsp. cusickii | Leo Whitney | 1935-6-19 | 3265 | Lassen | Camp 10 Fruit Grower's Supply Company; Lassen Nat'l Forest | Comment | |||
UC1132870 | Poa cusickii subsp. cusickii | A. Simontacchi | 1940-5-17 | 746 | Lassen | 5.9 mi s Patterson Mt; Lassen Nat'l Forest, Halls Flat Quadrangle | Comment | |||
JEPS118453 | Poa cusickii subsp. epilis | Lowell Ahart, John Dittes | 2011-6-20 | 17507 | Lassen | Meadow about 40 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 | ||
UC589886 | Poa palustris | H. S. Yates | 1936-8-12 | 6079 | Lassen | McKenzie Meadow; Susanville Quadrangle | 1524 | Comment | ||
UC1132873 | Poa pratensis subsp. pratensis | Robert W. Gardner | 1937-6-18 | G- 8 | Lassen | Burgess Spring Experimental Range; Halls Flat Quadrangle | Comment | |||
UC60738 | Poa pratensis subsp. pratensis | M. S. Baker and Frank Nutting | 1894-7-9 | Lassen | Pine Creek | Comment | ||||
JEPS126492 | Poa secunda | Jennifer Mueller, A. Brambila | July 6-15, 2016 | CA 370 -227 | Lassen | Head south through Eagleville, CA to Bare Ranch. | Comment | |||
JEPS127715 | Poa secunda | Alejandro Brambila, Michael Dolan | 2016-7-25 | CA 320 -170 | Lassen | Clarks Valley Road west off 395 right after Likely Mtn. About 1Mile before Christensen Corral | Comment | |||
SEINET175720 | Poa secunda | Marcus E. Jones | 1897-6-25 | Lassen | Susanville | 1341 | Comment | |||
UCD90323 | Poa secunda | A. A. Beetle; G. L. Stebbins Jr. | 1942-5-29 | 3367 | Lassen | 5.2 miles E of Bieber, Big Valley. | Comment | |||
UCR266833 | Poa secunda | G. B. Stabler | 1922-7-9 | s.n. | Lassen | Constantia [former settlement, in Long Valley 45 miles (72 km) southeast of Susanville] | 1372 | Comment | ||
SEINET10966852 | Poa secunda | Billy Joe Cox, Paul Gallian | 1971-6-2 | Cox 2602 | Lassen | Hallelujah Jct. intersection of US Hwy 395 & CA Hwy 70; in open waste area adjacent to Artemisia tridentata community. | 1433 | Comment | ||
JEPS123838 | Poa secunda subsp. juncifolia | Lowell Ahart, John Dittes | 2015-7-14 | 20331 | Lassen | About 4 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7 miles (air) northeast of Bieber. | Comment | |||
UC188907 | Poa secunda subsp. juncifolia | Milo S. Baker | Lassen | Dixie Valley | Comment | |||||
UC699670 | Poa secunda subsp. juncifolia | Gus Hormay | 1944-7-2 | Lassen | Halls Flat | Comment | ||||
UC718008 | Poa secunda subsp. juncifolia | David D. Keck | 1944-7-8 | 5456 | Lassen | 5 mi e Westwood (on rd to Fredonyer Pass); Sierra Nevada | 1584 | Comment | ||
UCD18953 | Poa secunda subsp. juncifolia | Jack N. Reppert | 1965-7-12 | 28 | Lassen | Lassen National Forest, Harvey Valley Allot. (HV 17-11). | 1682 | 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 | |||
UCD92397 | Poa secunda subsp. juncifolia | A. H. Shunk | 1923-8-5 | 9 | Lassen | Bogard Ranger Station. | Comment | |||
CAS-BOT-BC236184 | Poa secunda subsp. secunda | John Thomas Howell | 1976-7-20 | 52008 | Lassen | About 5 miles W of Fredonyer Pass near confluence of Susan River and Willard Creek | 1432 | Comment | ||
CHSC33317 | Poa secunda subsp. secunda | Hank Thompson | 1980-4-14 | 19 | Lassen | Ca. 20 mi E of Susanville. | 1310 | Comment | ||
CHSC91208 | Poa secunda subsp. secunda | Lowell Ahart; John Dittes | 2005-6-1 | 11845 | 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 | ||
UC1136990 | Poa secunda subsp. secunda | George A. Fischer and Irwin H. Johnson | 1933-7-12 | F 206 | Lassen | Grass Valley; Lassen Nat'l Forest | 1699 | Comment | ||
UC506987 | Poa secunda subsp. secunda | George A. Fischer and Irwin H. Johnson | 1933-7-12 | F- 219 | Lassen | Lassen Nat'l Forest | 1722 | Comment | ||
CAS-BOT-BC244269 | Podagrostis humilis | George W. Gillett | 1957-7-28 | 925 a | Lassen | Lassen Volcanic National Park. Trail to Widow Lake above junction with Snag Lake trail at upper end of Butte Lake, 100 yards above trail junction | 1859 | Comment | ||
CHSC60907 | Pogogyne floribunda | Vernon H. Oswald; Lowell Ahart | 1993-7-8 | 5675 | Lassen | N side of 34N12 just E of the railroad at Halls Flat Well, ca. 11 mi (air) NNW of Poison Lake. | 1737 | Comment | ||
NY963445 | Polemonium micranthum | A. Tiehm | 1986-5-14 | 10378 | Lassen | 1.5 road miles southwest of Dodge Reservoir on the main road to Ravendale, near a windmill | 1707 | Comment | ||
RSA104308 | Polemonium micranthum | Verne Grant, Alva Grant | 1956-5-18 | 21755 | Lassen | 4 miles S of Ravendale. | 1280 | Comment | ||
SDSU3228 | Polemonium occidentale | D. F. Howe | 1964-8-2 | 3918 | Lassen | East Creek, Warner Mtns., Modoc National Forest | 2012 | Comment | ||
UC23986 | Polemonium occidentale subsp. occidentale | M. S. Baker and Frank Nutting | 1894-7-31 | Lassen | Bridge Creek | Comment | ||||
CAS-BOT-BC74171 | Polyctenium fremontii | Gary Schoolcraft | 1984-7-9 | 1287 | Lassen | On s. south of Fillman Road 3.8 miles west of Highway 395. | 1609 | Comment | ||
CHSC68619 | Polyctenium fremontii var. fremontii | Vernon H. Oswald; Lowell Ahart | 1997-5-7 | 8405 | Lassen | Mud Flat along Smoke Creek Ranch Rd. 1.7 mi east of Hwy. 395. | 1356 | Comment | ||
NY661121 | Polyctenium williamsiae | B. Corbin | 2002-6-4 | 1078 | Lassen | Mud Flat-south end, East side of Highway 395. | 1347.2 | Comment | ||
RSA0004886 | Polygala lasseniana | A. A. Heller | 1938-6-23 | 15213 | Lassen | South of Secret Valley. | Comment | |||
JEPS28709 | Polygonum | George W. Gillett | 1957-7-29 | 939 | Lassen | near w end of Widow Lake, Lassen Volcanic National Park Widow Lake; Lassen Volcanic National Park, Widow Lake | 2072 | Comment | ||
NY404577 | Polygonum amphibium | G. H. True Jr. | 1936-6-22 | 514 | Lassen | Honey Lake Valley | 1219.2 | Comment | ||
UC1536795 | Polygonum amphibium var. emersum | Gordon H. True Jr. | 1939-8-5 | 1041 | Lassen | near Madeline; Tule Reservoir | Comment | |||
UC1536797 | Polygonum amphibium var. emersum | Gordon H. True Jr. | 1939-7-6 | 1038 | Lassen | George Bailey Ranch Honey Lake Valley | Comment | |||
SEINET10479337 | Polygonum aviculare | Mary Susan Taylor | 1982-8-19 | Taylor 5021 | Lassen | T23N R17E ne sec 23? Beckwourth Pass quad. E side of Hwy 395, ca. 4 mi n of its jct with Hwy 70 at Hallelujah Jct. Sagebrush Scrub; 4900 ft. | 1493 | Comment | ||
JEPS81643 | Polygonum aviculare subsp. neglectum | M. S. Taylor | 1982-8-19 | 5021 | Lassen | e side of Hwy 395 ca 4 mi n jct with Hwy 70 at Hallalujah Junction; Beckwourth Pass quad. | 1493 | Comment | ||
POM104627 | Polygonum bistortoides | Marcus E. Jones | 1897-6-21 | s.n. | Lassen | Chat. | 1616 | Comment | ||
CDA22783 | Polygonum davisiae | C. Siebe | 1971-6-19 | Lassen | Near cattle corrals at southwest end of Westwood. | 0 | Comment | |||
CAS-BOT-BC414491 | Polygonum douglasii | John Thomas Howell; Gordon H. True; Wayne Dakan | 1974-7-30 | 50683 | Lassen | Slope south and southeast of Diamond Mt. | 2286 | Comment | ||
UC1567352 | Polygonum douglasii subsp. austiniae | G. Schoolcraft | 1989-7-3 | 1946 | Lassen | Diamond Peak Diamond Mtsn. | 2346 | 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 | ||
UC773925 | Polygonum douglasii subsp. douglasii | L. R. Short and J. Warren | July, 1936 | S- 420 | Lassen | Burgess Spring Experiment Range | 1856 | Comment | ||
CHSC84438 | Polygonum douglasii subsp. spergulariiforme | Lowell Ahart | 2003-8-17 | 10515 | 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 | ||
RSA768026 | Polygonum douglasii subsp. spergulariiforme | L. Ahart, John Dittes | 2010-7-31 | 16979 | 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 | ||
UC1137781 | Polygonum douglasii subsp. spergulariiforme | August L. Hormay | 1934-7-2 | Lassen | 1/4 mi nw Black's Mtn. Headquarters; Lassen National Forest | 1706 | 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 | ||
JEPS28705 | Polygonum minimum | George W. Gillett | 1957-7-28 | 931 | Lassen | draw 1 mi above Butte Lake (on Widow Lake Trail); Lassen Volcanic National Park | 1905 | Comment | ||
UC1609321 | Polygonum polygaloides subsp. confertiflorum | Vernon H. Oswald and Lowell Ahart | 1993-6-28 | 5593 | Lassen | Harvey Valley Rd (33N02) 1.7 mi n Hwy 44 (e side of valley, e of Poison Lake); Grays Valley | 1719 | Comment | ||
JEPS51287 | Polygonum polygaloides subsp. kelloggii | Brown and Wieslander | 1922-7-30 | 48 | Lassen | Martin Sprs. Eagle Lake | Comment | |||
UC1609438 | Polygonum sawatchense subsp. sawatchense | Vernon H. Oswald and Lowell Ahart | 1993-6-14 | 5518 | Lassen | Eagle Lake Rd (Lassen A1) 0.5 mi w Spaulding Tract Rd. (Rd. 518, 33N89) (ca 3 mi w of Eagle Lake) | 1810 | Comment | ||
SBBG128041 | Polygonum spergulariiforme | L. Ahart, J. Dittes | 2010-7-31 | 16979 | Lassen | ca. 100 yards NE of where the rd crosses Hunsinger Draw, 1.9 mi NW of Moll Reservoir, 2.8 mi W of Ash Valley, 8.4 mi SE of Adin | 1520 | Comment | ||
CHSC110900 | Polypogon monspeliensis | Lowell Ahart; John Dittes | 2012-7-9 | 18300 | Lassen | Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. About 100 yards southeast of the tall poles. | 1267 | Comment | ||
CHSC12480 | Populus tremuloides | Carol Weld | 1969-6-25 | 21 | Lassen | Murrer's Meadow. | 1524 | Comment | ||
CHSC71386 | Porterella carnosula | V. Oswald; B. Corbin, M. Dolan, V. Sanger, G. Schoolcraft | 1998-7-13 | 9259 | Lassen | Moll Reservoir in Ash Valley southeast of Adin. | 1615 | Comment | ||
JEPS23859 | Porterella carnosula | Peter H. Raven with Otto T. Solbrig | 1958-6-17 | 13294 | Lassen | along United States Highway 395, 4.8 mi s Madeline | Comment | |||
UC130334 | Porterella carnosula | M. S. Baker and Frank Nutting | 1894-7-21 | Lassen | near Eagle Lake; near Eagle Lake | 1524 | Comment | |||
UC803937 | Porterella carnosula | G. L. Stebbins Jr. | 1949-8-6 | 4002 | Lassen | edge Feather Lake (between Susanville and McArthur Mud Flats) | 1676 | Comment | ||
SEINET10460827 | Porterella carnosula | Hormay | 1934-5-14 | HORMAY s.n. | Lassen | T32N R9E | 1676 | Comment | ||
SEINET10460829 | Porterella carnosula | Howell | 1934-7-7 | Howell 12466 | Lassen | Near Feather Lake | Comment | |||
SEINET10460844 | Porterella carnosula | Baker | 1894-7-21 | Baker s.n. | Lassen | Near Eagle Lake. | 1524 | Comment | ||
SEINET12329667 | Porterella carnosula | N. H. Holmgren, Holmgren, P. K. | 1980-1 | 9463 | Lassen | Madeline Plains, along U.S. Highway 395, 5.6 km (3.5 mi.) S of Madeline, T36N, R13E, S9 | 1620 | Comment | ||
CHSC7716 | Portulaca oleracea | Beverley J. Wise | 1969-6-3 | 6 | Lassen | Susanville, 833 Mark St. | 1310 | Comment | ||
CHSC4837 | Potamogeton | R. Carter | 1967-7-13 | 595 | Lassen | Ca. 5 mi e of Eagle Lake Biology Station at point where rd comes nearest to Willow Creek. | 1560 | Comment | ||
UC1099904 | Potamogeton amplifolius | Verne Grant, Irving Schneider | 1947-8-24 | 8269 | Lassen | nw shore of Blue Lake (northern Lassen County) | Comment | |||
UC1099866 | Potamogeton foliosus | Verne Grant, Irving Schneider | 1947-7-29 | 8181 | Lassen | 1 mi e (upstream) of Tule Lake; Cedar Creek | Comment | |||
SEINET10704662 | Potamogeton natans | Karen M. Meyer, Andrew Townesmith | 2007-7-21 | Meyer 146 | Lassen | Lassen National Forest. 1.3 mi. on Road 10 to Silver Lake off Road 110. | 1963 | Comment | ||
CAS-BOT-BC453914 | Potamogeton pectinatus | Verne Grant; Irving Schneider | 1947-9-6 | 8380 | Lassen | North arm of Eagle Lake | Comment | |||
UC1100047 | Potamogeton pusillus var. pusillus | Malcolm A. Nobs, S. Galen Smith | 1949-7-20 | 1045 | Lassen | Bieber, along Highway 299 Bieber | Comment | |||
OBI82315 | Potamogeton richardsonii | R. F. Thorne, Larry E. DeBuhr | 1975-8-22 | 47200 | Lassen | Hwy 395, c. 5 mi north of Madeline [at Smith Reservoir] and c. 5.5 mi south of Modoc Co. line | 1616 | Comment | ||
UC60849 | Potamogeton striatus | J. B. Davy | Jun 17 1897-Jun 24 1897 | Lassen | Honey Lake Valley, Amedee | Comment | ||||
UC334643 | Potamogeton striatus | J. G. Lemmon | Lassen | Hot Spring near Honey Lake | Comment | |||||
CHSC65370 | Potamogeton zosteriformis | Vernon H. Oswald; Beth Corbin, Mike Dolan | 1995-8-26 | 7220 | Lassen | Warner Mtns. Blue Lake located ca. 13 mi SE of Likely. Along the W shore of the lake. | 1859 | Comment | ||
UC1100087 | Potamogeton zosteriformis | Verne Grant, Irving Schneider | 1947-8-24 | 8272 | Lassen | nw shore of Blue Lake (Northern Lassen County) | Comment | |||
UCD113701 | Potentilla biennis | Verne Grant; Irving Schneider | 1947-7-30 | 8189 | Lassen | South point of west embayment, Tule Lake. | Comment | |||
CDA26098 | Potentilla glandulosa | T. C. Fuller | 1963-7-15 | 10903 | Lassen | Prescott Canyon, 2.5 miles north of Hayden Hill, ca. 15.5 miles south of Adin. | 0 | Comment | ||
POM366534 | Potentilla glandulosa subsp. ashlandica | Rockwell | 1925-7-1 | s.n. | Lassen | Eagle Lake | Comment | |||
CHSC89733 | Potentilla gracilis var. fastigiata | L. P. Janeway | 2004-6-26 | 8159 | Lassen | High Cascade Range. At Patterson Well in Patterson Flat; Blacks Mountain Experimental Forest. | 1767 | Comment | ||
UC1137589 | Potentilla gracilis var. fastigiata | A. Simontacchi | 1940-7-8 | 939 | Lassen | 3.9 mi se Blacks Mtn; Lassen National Forest, Halls Flat Quad. | Comment | |||
CAS-BOT-BC540360 | Potentilla gracilis var. fastigiata | Marcus E. A M Jones | 1897-6-19 | s. n. | Lassen | Chat | 1615 | Comment | ||
CHSC113015 | Potentilla gracilis var. flabelliformis | Lowell Ahart; John Dittes | 2013-7-23 | 18899 | Lassen | Along a small drainage, west 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 | ||
HSC81543 | Potentilla gracilis var. flabelliformis | Thomas W. Nelson, Jane P. Nelson | 1980-7-6 | 6042 | Lassen | Along Ash Creek at Ash Creek Campground | 1494 | Comment | ||
CAS-BOT-BC158476 | Potentilla gracilis var. gracilis | A. M. Vollmer; L. Beane | 1953-7-1 | 81 | Lassen | Along Halls Flat road beginning 6 miles west of Susanville to McArthur | 1554 | Comment | ||
CAS-BOT-BC158477 | Potentilla gracilis var. gracilis | Alice Eastwood; John Thomas Howell | 1940-6-11 | 7997 | Lassen | Bieber | 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 | ||
CHSC12434 | Prunella vulgaris | Robert W. Severin | 1969-6-25 | 13 | Lassen | At sw corner Murrer's Upper Meadow, 50' n mouth of Bly Tunnel; 2 mi ese E. L. B. S. | 1584 | Comment | ||
CHSC27652 | Prunella vulgaris var. lanceolata | Jerry Snodgrass | 1978-7-11 | 55 | Lassen | Papoose Creek, SE corner of Eagle Lake. | 1572 | Comment | ||
CHSC114712 | Prunus andersonii | B Villegas | 2011-3-26 | Lassen | Hellelujah Junction. NE corner of HWY 395 and HWY 70 intersection. | Comment | ||||
OBI77048 | Prunus andersonii | Anthony Baniaga | 2011-7-1 | 412 | Lassen | Ownership unk. E of Doyle, alongrd to Fort Sage Mts. | 1288 | Comment | ||
SEINET3157217 | Prunus andersonii | E. K. Balls | 1950-5-9 | 15947 | Lassen | 6 mi S of Doyle, hwy 395 | 1372 | Comment | ||
SJSU8180 | Prunus andersonii | M. D. Fleschner | 1965-7-12 | Lassen | 2 mi SE of Milford near Honey L | 1249 | Comment | |||
SEINET3850947 | Prunus virginiana | Dwayne Estes | 2004-1 | 06028 | Lassen | SE side of Horse Lake along E roadside | 1554 | Comment | ||
CAS-BOT-BC154772 | Prunus virginiana var. demissa | Alice Eastwood; John Thomas Howell | 1940-6-11 | 7994 | Lassen | Nubieber | Comment | |||
CHSC6286 | Prunus virginiana var. demissa | R. Clicquennoi | 1967-7-1 | 22 | Lassen | 4 mi s of Eagle Lake Biological Station, on Gallatin Beach Rd. | 1554 | 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 | ||
UC1128504 | Prunus virginiana var. demissa | A. Simontacchi | 1940-6-4 | 800 | Lassen | 7.1 mi sw of Jacks Lake (Lassen National Forest); Lassen National Forest | 1836 | Comment | ||
CAS-BOT-BC361666 | Pseudognaphalium thermale | John Thomas Howell; Gordon H. True | 1973-7-31 | 50022 | Lassen | On road from Janesville to Thompson Peak, Diamond Range | 1737 | Comment | ||
CAS-BOT-BC239800 | Pseudoroegneria spicata | John Thomas Howell | 1976-7-20 | 51997 | Lassen | About 5 miles west of Fredonyer Pass near confluence of Susan River and Willard Creek | 1432 | Comment | ||
CHSC11770 | Pseudostellaria jamesiana | Wayne O. Baum | 1971-7-6 | 71 -6 | Lassen | E. slope of Gallatin Peak. | 1950 | Comment | ||
JEPS94550 | Pseudostellaria jamesiana | Vernon Oswald and Lowell Ahart | 1997-6-24 | 8619 | Lassen | 2.7 mi e of boundary of Lassen National Forest (7.4 mi e of God Run Road (29N10), s of Susanville on n side of Diamond Mountain at an impoundment of the edge of Forest Road 29N43); Diamond Mountain, Forest Road 29N43 | 2036 | Comment | ||
CAS-BOT-BC80093 | Pseudotsuga menziesii | John Thomas Howell; Gordon H. True; Margaret Williams | 1973-6-28 | 49409 | Lassen | Elysian Valley, west of Janesville | 1325 | Comment | ||
JEPS120861 | Psilocarphus brevissimus var. brevissimus | Lowell Ahart, John Dittes, Todd Sloat | 2013-6-8 | 18756 | 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 | |||
JEPS30616 | Psilocarphus brevissimus var. brevissimus | Peter H. Raven with Otto T. Solbrig | 1958-6-17 | 13284 | Lassen | along United States Highway 395 1.9 me s Ravendale | Comment | |||
JEPS96091 | Psilocarphus oregonus | Vernon H. Oswald and Lowell Ahart | 1996-6-17 | 7794 | Lassen | Devils Corral Trailhead Modoc Plateau (shallow ditch just sw of parking area, located off Hwy 36 ca. 7 mi w, trailhead is access to Bizz Johnson Trail) | 1420 | Comment | ||
NY702516 | Psoralidium lanceolatum | G. Schoolcraft | 1991-6-12 | 2159 | Lassen | On Sierra Army Depot north of Herlong | 1234 | Comment | ||
UC1587090 | Psoralidium lanceolatum | G. Schoolcraft | 1991-6-12 | 2159 | Lassen | on Sierra Army Depot n Herlong; n of Herlong, Sierra Army Depot | 1234 | 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 | ||
HSC63951 | Puccinellia distans | Teresa Prendusi | 1980-7-9 | 1114 | Lassen | Horse Camp Spring about 39 mi. N of Susanville. | 1707 | Comment | ||
CHSC112789 | Puccinellia lemmonii | Lowell Ahart; John Dittes, Todd Sloat | 2013-6-9 | 18788 | Lassen | Depression, 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. | 1007 | Comment | ||
CHSC109221 | Purshia tridentata | B. Castro; L. P. Janeway | 2003-10-5 | 1460 | Lassen | High Cascade Range. Caribou Wilderness Area; ca 3 mi SW of Bogard Buttes and 1 mi E of Black Butte, along trail betweenCone Lake and Triange Lade, ca 0.8 mi S of Cone Lake and end of USFS Rd 32N09A. | 2103 | Comment | ||
CHSC25129 | Purshia tridentata | Paul Lyman | 1970-5-2 | 29 | Lassen | Bald Mountain; Janesville. On south slope of Bald Mountain, 10 miles East of Susanville. | Comment | |||
CHSC5019 | Purshia tridentata | L. G. Bennett | 1967-7-1 | 81 | Lassen | 4 miles from Eagle Lake Biological Station on road to Gallatin Beach. | 1676 | Comment | ||
SJSU14476 | Purshia tridentata | W. D. Pitts | 1990-5-24 | 300 | Lassen | by Hwy 395, 5 mi N of Doyle | 1310 | Comment | ||
UCD113288 | Purshia tridentata | G. L. Webster | 1989-5-13 | 7715 | Lassen | 2.5 miles E of Beckworth Pass. | 1493 | Comment | ||
SEINET10542465 | Purshia tridentata | Billy Joe Cox, Paul Gallian | 1971-6-2 | Cox 2592 | Lassen | Ca 6 miles s of susanville at junction of us hwy 395 and cal hwy 36 to Susanville, near johnstonville. Assoc.; Purshia-artemesia | 1311 | Comment | ||
SEINET7463175 | Purshia tridentata | F. B. Headley | 1905-5-28 | s.n. | Lassen | Honey Lake. | Comment | |||
HSC19587 | Purshia tridentata var. tridentata | J. J. Wagoner | 1965-5-1 | 50 | Lassen | 22 mi. N of Susanville on Hwy. 395 | Comment | |||
HSC79989 | Purshia tridentata var. tridentata | William Rothstrom | 1975-6-9 | Lassen | Johnstonville, 1/4 mi. S of Hwy. 395, W of airport. | 1265 | Comment | |||
RSA86630 | Purshia tridentata var. tridentata | F. W. Peirson | 1932-7-20 | 10355 | Lassen | 20 miles SE of Susanville. | Comment | |||
UC467830 | Purshia tridentata var. tridentata | Franklin P. Nutting | Lassen | Pine Creek | Comment | |||||
RSA0083372 | Pyrola dentata | Christopher Davidson | 1974-7-24 | 2485 | Lassen | Ca. 4 mi W of Janesville on rd to Antelope Valley. | 2134 | Comment | ||
CAS-BOT-BC362262 | Pyrrocoma carthamoides var. cusickii | Clarence R. Quick | 1964-7-29 | 64 -91 | Lassen | Blacks Mt. Experimental Forest | 1798 | Comment | ||
UCR163275 | Pyrrocoma hirta | Jim Andre | 1993-6-29 | 1408 | Lassen | Madeline Plains about 2 miles south of Madeline along Hwy 395 | 1616 | Comment | ||
UC1136851 | Pyrrocoma hirta var. lanulosa | L. R. Short and J. Warren | 1936-8-17 | S- 496 | Lassen | Burgess Spr. Exp. Range | 1783 | Comment | ||
UC35842 | Pyrrocoma hirta var. lanulosa | M. S. Baker and F. Nutting | 1894-7-21 | Lassen | Eagle Lake | Comment | ||||
SEINET13710357 | Pyrrocoma lanceolata | Lowell William Ahart, Lowell William Ahart | 1999-1 | 8231 | Lassen | Willow Creek Wildlife Area, Hwy. 139, 4800 Ft (T31N, R12E, sec 4, SW 1/4) | 1463 | Comment | ||
CDA8517 | Pyrrocoma lanceolata var. lanceolata | T. C. Fuller | 1980-8-6 | 20315 | 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 | ||
UC1583970 | Pyrrocoma racemosa var. paniculata | G. Schoolcraft | 1990-9-13 | 2129 | Lassen | upper end of Stoney creek Stoney Creek | 1463 | Comment | ||
CAS-BOT-BC379462 | Ranunculus alismifolius | Lassen G. S. Crew | 1927-5-25 | 3 | Lassen | Lassen Forest, Norval Flat | 1747 | Comment | ||
SEINET5338283 | Ranunculus alismifolius var. hartwegii | J. Young | 1982-6-9 | s.n. | Lassen | M.Meyers Ranch, Adin, Ca. | 1372 | Comment | ||
RSA0011456 | Ranunculus aquatilis var. capillaceus | Robert F. Thorne, Larry E. DeBuhr | 1975-8-22 | 46981 | Lassen | Along Highway 395 ca. 6 miles north of Madeline and 4.5 miles south of Modoc county line. | 1616 | Comment | ||
CHSC57503 | Ranunculus cymbalaria var. saximontanus | Shelly A Kirn | 1991-4-21 | 21 | Lassen | S of Lassen County Youth Camp bordering Eagle Lake Field Station property. | 1560 | Comment | ||
CHSC6247 | Ranunculus cymbalaria var. saximontanus | M. West | 1946-7-2 | Lassen | Pine Creek, Eagle Lake. | 1584 | Comment | |||
CHSC60612 | Ranunculus flammula var. ovalis | Mary Ann Showers | 1992-6-13 | 2549 | Lassen | Lassen Volcanic National Park. Shoreline at western end of Widow Lake. | 2072 | Comment | ||
CHSC67295 | Ranunculus glaberrimus | James D. Jokerst | 1991-5-29 | 3313 | Lassen | Modoc Plateau. Survey for reroute of Hwy. 139 ca. 0.75 N of the N end of Eagle Lake, E of the highway +/- 500 ft on top of ridge N of a drainage. | 1584 | Comment | ||
UC1608992 | Ranunculus glaberrimus var. ellipticus | Vernon H. Oswald and Lowell Ahart | 1993-5-12 | 5383 | Lassen | Forest Rd 32N08 (to Crater Lake) 0.5 mi ne Hwy 44 (between A21 (to Westwood) and Poison Lake, along creek); Pine Creek | 1737 | Comment | ||
JEPS60696 | Ranunculus occidentalis | Frances D. Payne | 1929-7-12 | 99 A | Lassen | Upper Silver Creek; ne Lassen Co. | Comment | |||
UC1137287 | Ranunculus occidentalis | K. E. Bradshaw | 1939-5-27 | 242 | Lassen | near S. end of Black Mountain Experimental Forest Plot 39-4; Lassen National Forest, Halls Flat Quadrangle | 1737 | Comment | ||
UC1584003 | Ranunculus occidentalis | G. Schoolcraft | 1990-5-15 | 2050 | Lassen | about 4 mi s Nubieber; John's Valley | 1310 | Comment | ||
NY494769 | Ranunculus occidentalis var. ultramontanus | W. W. Eggleston | 1911-5-29 | 6759 | Lassen | Vicinity of Doyle Station | 1290 | Comment | ||
SBBG28521 | Ranunculus occidentalis var. ultramontanus | M. S. Baker | 1952-5-23 | Lassen | Hwy 36, between Chester and Fredonyer Pass | Comment | ||||
NY494904 | Ranunculus sceleratus var. multifidus | G. Schoolcraft | 1991-6-27 | 2174 | Lassen | North of Johnstnville Road, 3 miles east of Susanville | 1280.2 | Comment | ||
CDA3492 | Ranunculus testiculatus | T. C. Fuller | 1969-5-22 | 18480 | Lassen | County fairgrounds, Susanville. | 0 | Comment | ||
JEPS28453 | Ranunculus uncinatus | George W. Gillett | 1957-7-28 | 926 | Lassen | on trail to Widow Lake 100 yd above junction with Snag Lake Trail; Lassen Volcanic National Park, Butte Lake | 1859 | Comment | ||
JEPS127178 | Rhaponticum repens | Lowell Ahart, John Dittes | 2016-7-15 | 21229 | Lassen | 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 | |||
JEPS127350 | Rhaponticum repens | Lowell Ahart, John Dittes | 2016-7-13 | 21103 | Lassen | 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. | Comment | |||
UC1587100 | Rhaponticum repens | G. Schoolcraft | 1991-7-31 | 2203 | Lassen | just n of Hall Spring; Shinn Mts. | 1706 | 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 | ||
JEPS124781 | Rhus aromatica | C. Meek | 1969-7-9 | 85 | Lassen | On south facing slope overlooking the Pitt Gorge off Hi #299; 2 mi West of Fall River Mills. | Comment | |||
CAS-BOT-BC92389 | Ribes aureum var. aureum | Doris K. Kildale | 1930-5-12 | 9358 | Lassen | Between Susanville and Leavitt Lake. | Comment | |||
CHSC12425 | Ribes cereum | Anne Linda Brisk | 1969-6-20 | 15 | Lassen | Found 1/4 mi NE ELBS in flat, basaltic, rocky area. | 1554 | Comment | ||
CHSC23566 | Ribes cereum | W. O. Baum | 1971-6-28 | 40 | Lassen | E slope of Gallatin Peak at edge of fire trail. | 1920 | Comment | ||
CHSC67058 | Ribes cereum | Willis Ball | 1969-6-19 | 8 | Lassen | Found approx. 100 yds. N.E. of E.L.B.S. | 1615 | Comment | ||
UC465786 | Ribes cereum | Franklin P. Nutting | 1894-7-5 | Lassen | Dixie Valley | Comment | ||||
UCR17254 | Ribes cereum | Frank C. Vasek | 1975-7-11 | 750711- 18 | Lassen | Modoc Plateau, State Hwy 139, [Said Valley] 2 mi north of Grasshopper Valley at the junction with Termo Rd. | 1650 | 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 | ||
JEPS49414 | Ribes inerme var. inerme | Franklin P. Nutting | 1894-7-12 | Lassen | Pine Creek | Comment | ||||
RSA0023962 | Ribes velutinum | Marcus E. Jones | 1897-6-25 | s.n. | Lassen | Susanville. | 1341 | Comment | ||
RSA0020889 | Ribes viscosissimum | K. M. Meyer, A. Townesmith | 2007-7-23 | 151 | Lassen | Lassen National Forest. 6 miles SW on 32N10 off Hwy. 44. (Turn at rest area on Hwy. 44). At junction of 32N10, 32N09 and 31N36. | 1993 | Comment | ||
CHSC117224 | Rigiopappus leptocladus | Lowell Ahart; John Dittes | 2016-6-7 | 20976 | Lassen | 20 yards west of the pond, about 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 | ||
UC1126739 | Rorippa curvisiliqua | A. Simontacchi | 1940-6-4 | 806 | Lassen | 14.8 mi w Harvey Mountain Lookout; Halls Flat Quad., Lassen National Forest | Comment | |||
RSA0065538 | Rorippa curvisiliqua | Marion P. Harthill | 1971-6-20 | 216 | Lassen | Susanville. | Comment | |||
CHSC101064 | Rorippa curvisiliqua var. orientalis | John Dittes | 2008-5-22 | 1527 | Lassen | Modoc Plateau; ca. 15.3 air miles southeast of Adin, ca. 3.5 air miles east of Hayden Hill, ca 480 feet southeast of intersection of Hwy 139 and FS Road 36N02; channel of Willow Creek. | 482 | Comment | ||
CDA25121 | Rorippa nasturtium-aquaticum | Gordon Leppig | 1998-7-12 | 959 | Lassen | Northern California Peatlands; Modoc National Forest, Blue Lake Ranch. | Comment | |||
JEPS95970 | Rorippa nasturtium-aquaticum | Vernon H. Oswald and L. 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: T31N R15E NW1/4 Sect. 2, 4440 ft elevation, springy marsh surrounded by sagebrush scrub | 1353 | Comment | ||
JEPS95871 | Rorippa sinuata | Vernon H. Oswald and L. Ahart | 1999-6-9 | 9735 | Lassen | Hwy. 395 northeast of Susanville and north of Smoke Creek Ranch Rd. at Mud Flat: T30N R15E Sect. 3, 4425 ft elevation, dry playa surrounded by sagebrush scrub. Small part of a perennial forming a colony on the bank between the highway and the playa. | 1348 | Comment | ||
CHSC12477 | Rosa woodsii subsp. ultramontana | Carol Weld | 1969-6-26 | 42 | Lassen | Springs near roadside, 7.8 miles S.W. of Eagle Lake Field Station. | 1584 | Comment | ||
CHSC60400 | Rosa woodsii subsp. ultramontana | Mary Ann Showers | 1992-6-13 | 2533 | Lassen | Lassen Volcanic National Park. East shore of Butte Lake, ca. .3 miles south of Butte Creek outlet. West of trail, near shoreline. | 1841 | Comment | ||
CHSC61590 | Rosa woodsii subsp. ultramontana | Arthur C. Barrett | 1915-8-18 | 33 | Lassen | Plumas Forest. Laufman Ranger Station. | 1463 | Comment | ||
JEPS114901 | Rosa woodsii var. ultramontana | Lowell Ahart, John Dittes | 2008-6-20 | 14972 | 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 | ||
CHSC23481 | Rubus leucodermis | Wayne O. Baum | 1971-7-5 | 71 -84 | Lassen | E. slope of Gallatin Peak. | 2072 | Comment | ||
UC1191289 | Rumex crispus | Malcolm A. Nobs and S. Galen Smith | 1949-8-20 | 1481 | Lassen | 1 mi n Doyle; Long Creek | Comment | |||
CDA23167 | Rumex hymenosepalus | Sterling O. Mattoon | 1977-5-3 | Lassen | Highway 395 at North Access Road to Herlong. | 0 | Comment | |||
NY324109 | Rumex lacustris | M. S. Baker | 1894-1 | s.n. | Lassen | Silver Lake [according to annotation by Rech. f.] | Comment | |||
SD64325 | Rumex lacustris | Darley F. Howe | 1966-8-25 | Lassen | 41 miles south of Alturas on hwy #395 | 1676 | Comment | |||
CHSC65317 | Rumex occidentalis | Vernon H. Oswald | 1995-8-21 | 7210 | Lassen | Warner Mtns. Blue Lake located ca. 13 mi SE of Likely. On the marshy edge of the lake. | 1859 | Comment | ||
CHSC67689 | Rumex salicifolius var. lacustris | James D. Jokerst | 1983-7-25 | 1891 | Lassen | Madeline Plains W of Termo. | Comment | |||
JEPS97683 | Rumex salicifolius var. lacustris | Annetta M. Carter | 1946-8-18 | 1776 | Lassen | S end of Grasshopper Valley, N of Eagle Lake. | 1615 | Comment | ||
CHSC113065 | Rumex stenophyllus | Lowell Ahart; John Dittes | 2013-7-22 | 18866 | Lassen | North margin of road levee, about 100 yards east of the four tall poles, Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. | 1267 | Comment | ||
JEPS121296 | Rumex stenophyllus | Lowell Ahart, John Dittes | 2013-7-22 | 18866 | Lassen | North margin of road levee, about 100 yards E of the four tall poles, Ash Creek State Wildlife Area, about 5.5 air miles NE of Bieber, Big Valley. | Comment | |||
JEPS121294 | Rumex triangulivalvis | Lowell Ahart, John Dittes | 2013-7-22 | 18867 | Lassen | 30 yards S of the man-made pond, about 120 yards E of the four tall poles, Ash Creek State Wildlife Area, about 5.5 air miles NE of Bieber, Big Valley. | Comment | |||
CAS-BOT-BC434263 | Rumex triangulivalvis | Annie M. Alexander; Louise Kellogg | 1946-8-11 | 5153 | Lassen | Northwest end Grasshopper Valley. | Comment | |||
CAS-BOT-BC109417 | Rumex venosus | P. B. Kennedy | 1901-6-10 | s.n. | Lassen | Railroad Station, Constantia. | Comment | |||
JEPS74706 | Rumex venosus | Wayne Roderick | 1969-5-24 | Lassen | along Hwy 395 near Janesville | Comment | ||||
SEINET4176394 | Rumex venosus | P. B. Kennedy | 1901-6-10 | s.n. | Lassen | R.R. Station, Constantia | Comment | |||
CAS-BOT-BC445671 | Sagittaria cuneata | L. S. Smith | 1918-7-22 | 1009 | Lassen | Modoc National Forest. Blue Lake | 1874 | Comment | ||
CHSC12427 | Sagittaria cuneata | Robert W. Severin | 1969-6-25 | 17 | Lassen | East side of Murrer's Upper Meadow, in irrigation ditch, 2 miles ese from E.L.B.S. | 1584 | Comment | ||
CAS-BOT-BC332741 | Sagittaria cuneata | R. F. Thorne; Larry E. DeBuhr | 1975-8-22 | 46992 | Lassen | Along Hwy 395 ca 5 miles N of Medeline and 5.5 miles S of Modoc county line | 1615 | Comment | ||
CAS-BOT-BC132739 | Salix arctica | E. B. Copeland | 1931-8-16 | s.n. | Lassen | Mount Lassen, on the south shore of Emerald Lake | 2370 | Comment | ||
CAS-BOT-BC102812 | Salix boothii | Mrs. H. P. Bracelin | 1934-6-14 | 820 | Lassen | Upper Silver Creek, near Silver Lake (Lost Lake), Warner Mountains | 2316 | Comment | ||
RSA0035819 | Salix exigua | Lowell A. Ahart, John Dittes | 2008-6-22 | 15043 | Lassen | 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 | ||
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 | ||
CAS-BOT-BC106964 | Salix lasiolepis | G. Schoolcraft | 1999-5-7 | 2820 | Lassen | Along B.J. Trail near 4 mi. marker w. of Susanville | 1371 | Comment | ||
RSA746513 | Salix lasiolepis | K. M. Meyer, A. Townesmith | 2007-7-19 | 138 | Lassen | Lassen National Forest. CA, 0.2 mi. on 29N03, off HWY 36 on pullout just past a dry creek. | 1459 | Comment | ||
RSA0045640 | Salix lasiolepis var. lasiolepis | Lowell Ahart, John Dittes | 2008-6-22 | 15044 | Lassen | 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 | ||
JEPS87437 | Salix lemmonii | Vernon H. Oswald and Lowell Ahart | 1993-6-3 | 5489 | Lassen | n. of Hwy. 44 between Poison Lake and Susanville (Bridge Creek Spring Rd. (Lassen 112, Forest 31N06) at Bridge Creek, s. edge of rd.); betw Poison Lake and Susanville, Bridge Creek | 1746 | Comment | ||
POM209470 | Salix lemmonii | Carleton R. Ball, Emily Smith, H. P. Bracelin | 1932-7-24 | 685 | Lassen | Mt. Lassen Hwy. 0.6 mile N of Sulfur Works Checking Station. Lassen Volcanic National Park. | 2043 | Comment | ||
NY187800 | Salix lucida subsp. caudata | J. T. Howell | 1973-5-12 | 49221 | Lassen | Elysian Valley northwest of Janesville | 1325.9 | Comment | ||
SEINET10417120 | Salix lucida subsp. caudata | G. Schoolcraft | 1995-5-14 | 2477 | Lassen | W of Susan Hills subdivision, SW of Susanville. | 1372 | Comment | ||
POM107066 | Salix melanopsis | Marcus E. Jones | 1897-6-25 | s.n. | Lassen | Susanville. | 1341 | Comment | ||
CHSC13655 | Salix scouleriana | E. L. Smith | 1971-7-26 | 987 | Lassen | At Eagle Lake Field Station ca. 20 mi nw of Susanville. | 1615 | Comment | ||
UCR67403 | Salsola gobicola | George K. Helmkamp | 1990-9-23 | B- 16 -90 | Lassen | Northern Sierra Nevada Mountains, 3 mi east of Susanville, along State Road 36 | 1345 | Comment | ||
UC1037333 | Salsola tragus | Leo Whitney | 1934-9-1 | 1957 | Lassen | Fredonyer Pass Lassen Nat'l Forest, Fredonyer Pass | 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 | ||
UC104453 | Salvia aethiopis | T. Brandegee | 1892-6-30 | Lassen | streets of Susanville | Comment | ||||
UCD125446 | Salvia aethiopis | Collector Unknown | 1950-1 | s.n. | Lassen | Susanville. | Comment | |||
HSC31743 | Salvia dorrii | Donald Spalinger | 1974-5-16 | 67 | Lassen | Near Hwy. leading from Wendel to Flanigan | 1280 | Comment | ||
UCLA27615 | Salvia dorrii var. dorrii | Mrs. H. C. Cantelow | 1941-5-22 | Lassen | 2.5 mi n Secret Valley (C.C.C. Camp on U.S. Hwy 395 to Alturas from Quincy) | Comment | ||||
JEPS62690 | Salvia dorrii var. incana | Duncan Dunning | 1923-6-6 | Lassen | rocks below Ravendale | Comment | ||||
CHSC5226 | Sambucus melanocarpa | A. Santos | 1946-6-17 | Lassen | E side of Eagle Lake. | 1615 | Comment | |||
CHSC26166 | Sambucus mexicana | Detzer; M. Sacks | 1977-7-15 | 5 | Lassen | Ca. 3.5 mi SE of Milford, 1 mi SE of Laufman Rngr. Stn. on unimproved USFS road. | 1420 | 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 | ||
HSC28306 | Sanicula tuberosa | D. H. Norris, Thomas W. Nelson, S. Dowty | 1971-6-22 | 19154 | Lassen | 3 mi. N of Westwood | Comment | |||
JEPS123840 | Saponaria officinalis | Lowell Ahart, John Dittes | 2015-7-14 | 20323 | Lassen | About 4 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7 miles (air) northeast of Bieber. | Comment | |||
CAS-BOT-BC110336 | Sarcobatus vermiculatus | Louella Bass | 1982-6-20 | s.n. | Lassen | West of Karlo. | Comment | |||
CDA23526 | Sarcobatus vermiculatus | Robin Breckenridge | 2007-5-1 | PDR# 1349824 A | Lassen | Wendel. | 0 | Comment | ||
CHSC30601 | Sarcobatus vermiculatus | L. J. Dawson | 1975-7-7 | 44 | Lassen | Ca. 500 yd e of Horselake. | 1584 | Comment | ||
CHSC66854 | Sarcobatus vermiculatus | Vernon H. Oswald | 1996-9-21 | 8288 | Lassen | Modoc Plateau. Willow Creek Wildlife Area on Hwy. 139 ca. 10 mi (air) N of Susanville. Growing on the edge of the levee road along the N side of Wlillow Creek ca. 0.5 mi E of the parking area on the highway. | 1490 | Comment | ||
RSA79261 | Sarcobatus vermiculatus | E. K. Balls | 1952-10-10 | 18136 | Lassen | 5.2 miles W of Standish, Hwy 395, Susanville to Alturas. | 1250 | Comment | ||
UCD54536 | Sarcobatus vermiculatus | Ellen Dean; Petra Unger, Dawn Cunningham | 2005-10-10 | 2721 | Lassen | E. of town of Susanville, along C.R. A27 (Center Rd.) Grounds of California Correctional Facility. Sewage treatment plant area. | 1247 | Comment | ||
HSC17991 | Sarcodes sanguinea | M. T. Milligan | 1964-7-17 | 146 | Lassen | 3.5 mi. W of Eagle Lake Rd. on Marrill Flat Rd. | 1677 | Comment | ||
JEPS1765 | Saxifraga nidifica var. nidifica | Milo S. Baker | 1952-5-23 | 12422 | Lassen | e of Chester (Hwy 36) | 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 | ||
UC1100752 | Scirpus acutus var. occidentalis | Malcolm A. Nobs, S. Galen Smith | 1949-8-20 | 1487 | Lassen | 1 mi s Doyle; Long Creek, s of Doyle | Comment | |||
CHSC66415 | Scirpus microcarpus | Vernon H. Oswald; Lowell Ahart | 1996-6-17 | 7819 | Lassen | Bizz Johnson Trail accessed at Devils Corral Trailhead located off of Hwy. 36 ca. 7 mi W of Susanville. Modoc Plateau. In a marshy pool at the 6.0 mile post E of Devils Corral Trailhead. | 1420 | Comment | ||
HSC95197 | Scirpus microcarpus | Gordon Leppig | 1998-7-12 | 943 | Lassen | Modoc National Forest, Blue Lake Ranch | 1970 | Comment | ||
UC2166 | Scirpus nevadensis | J. Burtt Davy | Jun 17 1897-Jun 24 1897 | 3311 | Lassen | Amedee Honey Lake Valley, Amedee | Comment | |||
CDA39106 | Scirpus pungens | T. C. Fuller | 1964-10-8 | 12708 | Lassen | Wendel Hot Springs, ca. 1 mile west of Wendel. | 0 | Comment | ||
CAS-BOT-BC240002 | Scribneria bolanderi | Alice Eastwood; John Thomas Howell | 1940-6-11 | 7974 | Lassen | Big Valley Mts. | Comment | |||
SDSU11023 | Scrophularia lanceolata | D. F. Howe | 1962-8-2 | 3923 | Lassen | Warner Mtns, Modoc National Forest. | 1829 | Comment | ||
CAS-BOT-BC214188 | Scutellaria | John Thomas Howell | 1976-7-19 | 51978 | Lassen | Gold Run Creek southwest of Susanville, Sierra Nevada | 1386 | Comment | ||
CHSC77219 | Scutellaria holmgreniorum | G. Schoolcraft | 1998-7-14 | 2762 | Lassen | N. of Shaffer well on E. side of Tablelands. | 1371 | Comment | ||
RSA450332 | Scutellaria holmgreniorum | Gary Schoolcraft | 1986-6-25 | 1641 | Lassen | S. of Observation Peak about 1.5 mi. east of Post Camp. | 1677 | 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 | ||
RSA0003996 | Scutellaria holmgreniorum | Noel Holmgren, Pat Holmgren | 1980-7-5 | 9524 | Lassen | Upper Smoke Creek drainage, 21.9 km. from U.S. Hwy. 395 via Rye Patch Can. | Comment | |||
CAS-BOT-BC214264 | Scutellaria nana | M. S. Baker; Frank Nutting | 1894-7-12 | s.n. | Lassen | Pine Creek | Comment | |||
GMDRC7735 | Scutellaria nana | J. M. Andre, G. Clifton | 1993-6-1 | 33412 | 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 | ||
JEPS62885 | Scutellaria nana | L. S. Smith | C. 1918 | Lassen | Bieber Range, nw Lassen County Bieber Range | 1371 | Comment | |||
RSA719468 | Scutellaria nana | L. P. Janeway | 2005-4-7 | 84614 | Lassen | High Cascade Range. Ridge top north above Long Valley; 0.4 km west of Road 34N41. | 534 | Comment | ||
CAS-BOT-BC240082 | Secale cereale | Margaret Williams; Steven Williams | 1974-7-26 | 74 -L-38 | Lassen | Near Hallelujah Junction, west of Hwy 395 and south of Hwy 70 | 1493 | Comment | ||
UC790980 | Secale cereale | A. A. Beetle | 1941-6-28 | 2811 | Lassen | 6 mi s of Ravendale (Observation Peak); Observation Peak | Comment | |||
SEINET10517203 | Secale cereale | Douglas G. LeDoux, David B. Dunn | 1973-5-25 | LeDoux 887 | Lassen | Collected 3 mi N of Milford. On Hwy 395 at Honey Lake Campgrounds. | Comment | |||
CAS-BOT-BC46020 | Sedum lanceolatum | Clare B. Hardham | 1971-8-22 | 18425 | Lassen | Diamond Mountain | 2346 | Comment | ||
UC205197 | Sedum stenopetalum | Franklin P. Nutting | Lassen | Dixey Valley Dixey Valley (sage-brush flat) | Comment | |||||
UC11232 | Sedum stenopetalum | M. S. Baker and Frank Nutting | 1894-7-7 | Lassen | Harvey's Ranch | Comment | ||||
UC506921 | Senecio aronicoides | George A. Fischer and Irwin H. Johnson | 1933-7-14 | F- 253 | Lassen | Lassen Forest | 1783 | Comment | ||
SEINET10801294 | Senecio aronicoides | Katherine L. Morris, David B. Dunn; Melvin L. Conrad | 1973-5-25 | Morris 230 | 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 | |||
CDA38660 | Senecio eurycephalus var. lewisrosei | B. Villegas | 2010-6-17 | PDR# 1535022 | Lassen | South of Adin; Hwy. 139 at Milepost 58. | 0 | Comment | ||
UC1586592 | Senecio hydrophiloides | Vernon H. Oswald | 1991-5-28 | 4628 | Lassen | ca 7 mi ne Bieber (s end of Elkins Ln (100 ft s of Modoc-Lassen county line)); Ash Creek Wildlife Area | 1267 | Comment | ||
HSC95277 | Senecio hydrophilus | Gordon Leppig | 1998-8-17 | 1057 | Lassen | Modoc National Forest, Blue Lake Ranch | 1970 | Comment | ||
OBI75864 | Senecio hydrophilus | Anthony Baniaga | 2011-9-8 | 511 | Lassen | Lassen Natl Forest. Caribou Wilderness; Long Lake, W shore peninsula. Red Cinder quad T30N R7E sec 16 SW of NW | 2103 | Comment | ||
UC1137289 | Senecio integerrimus var. exaltatus | K. E. Bradshaw | 1939-5-27 | 239 | Lassen | Black Mt. Experimental Forest, Plot 39-1 Lassen Forest | 1767 | Comment | ||
UC1137573 | Senecio integerrimus var. exaltatus | A. Simontacchi | 1940-7-10 | 922 | Lassen | 4.6 mi sw Schoonamaker Lake; Lassen National Forest, Halls Flats Quad. | 1889 | Comment | ||
UC1608996 | Senecio integerrimus var. exaltatus | Vernon H. Oswald and Lowell Ahart | 1993-6-3 | 5480 | Lassen | Champs Flat Rd (Lassen 105, Forest 32N28Y) where it diverges from Lassen 21 (32N02) to Eagle Lake (s side of valley, between Poison Lake and Susanville); Pine Creek Valley | 1725 | Comment | ||
UC1776693 | Senecio integerrimus var. exaltatus | G. Schoolcraft | 1994-7-7 | 2368 | Lassen | About 1 mile west of Boot Lake | 219 | Comment | ||
RSA0124944 | Senecio integerrimus var. exaltatus | E. K. Balls | 1950-5-19 | 14 .772 | Lassen | Above Ash Creek Public Camp, off rd. from Adin to Madeline. | 1616 | Comment | ||
CAS-BOT-BC341186 | Senecio lugens | John Thomas Howell | 1934-6-14 | 12159 | Lassen | Near Lost Lake, Warner Mts. | 2438 | Comment | ||
JEPS117478 | Setaria viridis | Lowell Ahart, John Dittes | 2010-8-31 | 17139 | 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 | ||
UC1143016 | Sidalcea glaucescens | August L. Hormay | 1934-7-2 | Lassen | 1/4 mi nw Black's Mtn; Lassen National Forest, nw of Black's Mtn | 1706 | Comment | |||
UC1587031 | Sidalcea glaucescens | G. Schoolcraft | 1991-7-30 | 2198 | Lassen | East slope of Widow Mountain | 1859 | Comment | ||
UCD107434 | Sidalcea glaucescens | Tim Kuhn | 2006-1 | 15 | Lassen | Eagle Lake Ranger District. | Comment | |||
CAS-BOT-BC205779 | Sidalcea oregana | B. Bartholomew; B. Anderson | 1988-7-22 | 4506 | Lassen | Mosquito Creek ca. 2 km SW of Patterson Meadow, southern end of the Warner Mountain | 2080 | Comment | ||
CAS-BOT-BC205778 | Sidalcea oregana | H. D. Ripley; R. C. Barneby | 1943-6-18 | 5766 | Lassen | Smoke Creek, N.E. of Viewland | 1341 | Comment | ||
UCD116829 | Sidalcea oregana | P. B. Kennedy | 1927-6-13 | s.n. | Lassen | Fall River, by intake above dtich. | Comment | |||
CHSC100901 | Sidalcea oregana subsp. spicata | R. A. Schlising; Peter Metropulos | 1974-7-22 | 3154 | Lassen | South of Eagle Lake at Colman Lake. | Comment | |||
CHSC66729 | Sidalcea oregana subsp. spicata | Vernon H. Oswald; Lowell Ahart | 1996-8-1 | 8114 | Lassen | N shore of the Hamilton Branch of the N. Fork of the Feather River ca. 0.1 mi downstream from Indian Ole Dam on Mountain Meadows Reservoir, SW of Westwood. | 1524 | Comment | ||
UC408410 | Sidalcea oregana subsp. spicata | Milo S. Baker | Lassen | Dixey Valley | Comment | |||||
CAS-BOT-BC383113 | Silene douglasii | Andrew Townesmith; Karen M. Meyer | 2007-7-22 | 846 | Lassen | Lassen National Forest, Eagle Lake Ranger District. Intersection of Forest Service road 32N09 and Forest Service route 10, 6 miles SW of state route 44 | 1971 | Comment | ||
JEPS50913 | Silene douglasii | Brown and Wieslander | 1922-7-23 | 33 | Lassen | Martin Sprs Eagle Lake, Martin Sprs | Comment | |||
CHSC106846 | Silene nuda | Barbara Ertter | 1988-7-25 | 7867 | Lassen | Ridge of Diamond Mts ca 1.5 mi E of Diamond Peak, ca 10 airmiles due S of Susanville. | 2255 | Comment | ||
JEPS87996 | Silene nuda | Barbara Ertter | 1988-7-25 | 7867 | Lassen | ca 1.5 mi e Diamond Peak (ca 10 airmi due s of Susanville, ridge of Diamond Mts.); ridge of Diamond Mts., e of Diamond Peak | 2255 | Comment | ||
CAS-BOT-BC389544 | Silene nuda | Paul F. Covel | 1937-7-19 | 755 | Lassen | Westwood Airport | Comment | |||
SEINET8411725 | Silene nuda | Elmer I. Applegate | 1923-9-30 | 4035 | Lassen | Constantia, Honey Lake Valley. | Comment | |||
RSA716268 | Sisymbrium altissimum | L. Ahart, John Dittes | 2005-6-2 | 11921 | Lassen | Along the road, near the Anderson Ranch home, Long Valley, about 4.75 miles (air) N of the intersection of Scott Road and Hwy 70, 6.2 miles (air) NW of Hallelujah Junction. | 1460 | Comment | ||
RSA0035823 | Sisyrinchium bellum | Lowell A. Ahart, John Dittes | 2008-6-20 | 14964 | 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 | ||
CHSC7183 | Sisyrinchium douglasii | Lynn R. Thomas | 1969-4-18 | 103 | Lassen | On bluff directly behind Lassen Memorial Hospital (area of old city dump), Susanville. (USGS 'Susanville') | 1341 | 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 | |||
UC3888 | Smilacina stellata | J. Burtt Davy | Jun 17 1897-Jun 24 1897 | 3387 | Lassen | Adobe Meadows Honey Lake Valley, Byer's Ranch | Comment | |||
CDA34234 | Solanum sarrachoides | L. Ahart, J. Dittes | 2010-8-31 | 17138 | Lassen | On the east side of Walters Road, 4,235 feet from Modoc County Line, about 4.3 miles (air) south-southwest of Adin, about 7.0 miles (air) northeast of Bieber, Big Valley. | Comment | |||
HSC42458 | Solanum triflorum | Barbara Kelly | 1977-8-9 | 571 | Lassen | 9.2 mi. E of Madeline on the dirt rd. from Adin | 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 | ||
HSC95263 | Sparganium emersum | Gordon Leppig, J. Cromwell | 1997-7-27 | 626 | Lassen | Modoc National Forest, Blue Lake Ranch. | 1970 | Comment | ||
UC1537628 | Sparganium eurycarpum var. eurycarpum | Gordon H. True Jr. | 1939-7-6 | 1024 | Lassen | Honey Lake Valley; George Bailey Ranch | Comment | |||
CAS-BOT-BC213214 | Sphaeralcea grossulariifolia | P. Monnet | 1913-7-1 | 803 | Lassen | Hot Spring Peak | 1524 | Comment | ||
CHSC64792 | Sphaeralcea grossulariifolia subsp. grossulariifolia | Vernon H. Oswald | 1995-6-7 | 6837 | Lassen | Modoc Plateau. Rocky ridge on the n side of Wendel Rd. (Lassen 320) at milepost 11.0, 5.6 mi east of Wendel, ne of Susanville. | 1261 | Comment | ||
UC845562 | Spiranthes romanzoffiana | A. A. Heller | 1938-7-28 | 15297 | Lassen | meadow about 1 mi e Westwood | 1524 | Comment | ||
CHSC5277 | Stachys ajugoides var. rigida | P. Balch | 1955-7-17 | Lassen | Papoose Creek, near Gallatin's. Eagle Lake. | 1615 | Comment | |||
UC1137688 | Stachys ajugoides var. rigida | L. R. Short and Wm. Gansberg | 1936-7-9 | S- 485 | Lassen | Burgess Spr. Exp. Range Lassen Forest | 1795 | Comment | ||
HSC25048 | Stanleya viridiflora | John Pratt | 1970-7-2 | 46 | Lassen | 1220 | Comment | |||
UCD115760 | Stanleya viridiflora | Louella Bass | 1982-7-25 | 10 -82 | Lassen | near Karlo, about 12 miles north of Litchfield. | 1356 | Comment | ||
CHSC229 | Stellaria longipes var. longipes | 1944-6-30 | Lassen | Grasshopper Valley near Eagle Lake. | 1615 | Comment | ||||
CDA19745 | Stenotus stenophyllus | D. Tillotson | 1942-6-1 | s.n. | Lassen | Modoc Plateau; Eagle Lake. | 0 | Comment | ||
CAS-BOT-BC375066 | Stephanomeria | Gordon H. True | 1973-8-22 | 7657 | Lassen | North shore of Honey Lake ca. 5 miles east of Janesville & just west of Hartson Reservoir | 1219 | Comment | ||
CAS-BOT-BC375067 | Stephanomeria | Clare B. Hardham | 1969-8-28 | 17423 | Lassen | Slope west of Janesville | Comment | |||
SEINET11262513 | Stephanomeria lactucina | Robert L. Johnson, Mikel R. Stevens | 2015-7-10 | 3939 | Lassen | Southern Cascade Range. North side of Westwood 0.3 rd mi west of jct with Mooney Rd on CA-36. N side of rd.; 0 | 1563 | Comment | ||
UC1037278 | Stephanomeria lactucina | Leo Whitney | 1934-7-22 | 1747 | Lassen | 6 mi w Eagle Lake, lower end (near Antelope Mountain); Lassen National Forest | 1889 | Comment | ||
HSC83372 | Stephanomeria lactucina | R. W. Becking | 1987-7-29 | Lassen | Lassen National Forest, Caribou Wilderness, Gem Lake | Comment | ||||
UC303058 | Stephanomeria lactucina | Pearl Safford | Lassen | Susanville [uncertain locality] | Comment | |||||
CHSC71870 | Stephanomeria paniculata | Vernon H. Oswald; Lowell Ahart | 1998-9-8 | 9588 | Lassen | Kramer Rd. 3.1 mi south of Lookout. | 1280 | Comment | ||
CDA18266 | Stephanomeria spinosa | G. D. Barbe | 1974-8-2 | 1929 | Lassen | Long Valley; Hallelujah Junction, northwest corner of jct of US Hwy 395 and Hwy 70. | 1524 | Comment | ||
CDA8868 | Stephanomeria spinosa | E. E. Fix | 1946-7-21 | Lassen | Susanville. | 0 | Comment | |||
RSA518409 | Stephanomeria virgata | George K. Helmkamp | 1990-9-23 | E 14 | Lassen | 20 miles N of Litchfield along U.S. Hwy 395 | 1433 | Comment | ||
CHSC118490 | Stipa comata var. comata | Don Lepley | 2015-6-16 | Lassen | Lassen National Forest. Eagle Lake Ranger District. About 140 yards souteast of central entrance to Sandy Beach cinder pits and 1.9 air miles north-northwest of Spalding marina. UTM 687661 x 4506890. | 1563 | Comment | |||
UC1140903 | Stipa exigua | L. D. Whitney | 1935-6-16 | 3272 | Lassen | base Crater Mt. | Comment | |||
SEINET10443621 | Stipa thurberiana | M. Church | 2016-6-21 | 5 | Lassen | Between Hwy 395 and Petersen Mountain, N of Hallelujah Junction. | 1507 | Comment | ||
UCR17287 | Stipa thurberiana | Frank C. Vasek | 1975-7-11 | 750711- 37 | Lassen | Modoc National Forest, Hayden Hill Road c. 0.75-1.0 mi SW of Calif. Hwy 139 | 1829 | Comment | ||
SEINET10523055 | Stipa thurberiana | Billy Joe Cox, Paul Gallian | 1971-6-2 | Cox 2873 | Lassen | Hallelujah Jct. intersection of US Hwy 395 & Calif. Hwy 70; in open waste area adjacent to Artemisia tridentata community. | 1433 | Comment | ||
CHSC57125 | Streptanthus | Mary Meyer | 1980-7-21 | Lassen | Near sharp bend in road on way to Fire Lookout. | 2316 | Comment | |||
CAS-BOT-BC61289 | Streptanthus cordatus var. cordatus | Alice Eastwood; John Thomas Howell | 1940-6-15 | 8309 | Lassen | Willow Creek near Hayden Hill. | Comment | |||
CHSC64784 | Suaeda moquinii | Vernon H. Oswald | 1995-6-7 | 6835 | Lassen | Modoc Plateau. Wendel Rd. (Lassen 320) near milepost 10.5, 4.9 mi e of Wendel, ne of Susanville. Flat near the railroad. | 1231 | Comment | ||
UC1537510 | Swertia albicaulis | Gordon H. True Jr. | 1936-6-25 | 539 | Lassen | e of Harvey Ranger Station; Harvey Valley | 1767 | Comment | ||
JEPS94613 | Swertia albicaulis var. albicaulis | Vernon H. Oswald and Lowell Ahart | 1997-5-27 | 8488 | Lassen | e side of Hwy 139 at a small farm stock pond 38.2 mi n Susanville (7.4 mi n of Eagle Lake Rd.) | 1627 | Comment | ||
UC477492 | Swertia albicaulis var. nitida | A. G. Brenneis | 1928-5-29 | 6 | Lassen | 1 to 1.5 mi se Willow Sprgs.; Lassen Forest; Lassen Forest, Lassen Co. | 1371 | Comment | ||
CAS-BOT-BC237073 | Symphoricarpos rotundifolius | John Thomas Howell | 1977-6-22 | 52396 | Lassen | Northeast of Susanville on road to Eagle Lake, Sierra Nevada | Comment | |||
JEPS5932 | Symphoricarpos rotundifolius var. rotundifolius | Frances D. Payne | 1929-7-12 | 84 | Lassen | ridge above Lost Lake (se extremity of Warner Mountains); Warner Mountains | 2499 | Comment | ||
CHSC5024 | Symphoricarpos vaccinioides | L. G. Bennett | 1967-7-17 | 182 | Lassen | 20 yards from shore of Mahogany Lake, near entrance rd. | 2060 | Comment | ||
CAS-BOT-BC97606 | Symphyotrichum campestre | Margaret Williams | 1974-7-27 | 74 -L-67 | Lassen | Burned area near Hallelujah Junction, west of Hwy 395 and south of Hwy 70 | 1493 | Comment | ||
CAS-BOT-BC98933 | Symphyotrichum foliaceum var. parryi | Alice Eastwood | 1912-8-22 | 1917 | Lassen | Battle Creek Meadows - Lassen Butte Region | Comment | |||
UCR270428 | Symphyotrichum spathulatum | John F. Emmel | 2000-7-30 | 1673 | Lassen | Northern Sierra Nevada Mountains, Bogard Campground, at west end of Pine Creek Valley | 1753 | 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 | ||
CHSC84880 | Symphyotrichum spathulatum var. yosemitanum | Samantha Mackey Hillaire; Linnea Hanson, Catie Bishop | 2003-9-21 | 356 | 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 | ||
RSA201220 | Taeniatherum caput-medusae | Lee E. Wheeler | 1960-6-15 | s.n. | Lassen | Ca. 4 miles SE of Susanville. | Comment | |||
CHSC71103 | Tamarix parviflora | Vernon H Oswald; Lowell Ahart | 1998-5-22 | 9096 | Lassen | Hwy 395 at an intermittent drainage crossing the road 2.3 mi south of Milford. | 1255 | Comment | ||
CHSC60755 | Taraxia subacaulis | Vernon H. Oswald; Lowell Ahart | 1993-6-3 | 5479 | Lassen | Champs Flat Rd. (Lassen 21/1.5, Forest 32N02), 4.0 mi N of Hwy 44, 0.3 mi NE of spur road 32N02E, on the SE side of Pine Creek Valley, between Poison Lake and Susanville. In a meadow. | 1731 | Comment | ||
UC1542935 | Taraxia subacaulis | G. Schoolcraft | 1987-5-19 | 1703 | Lassen | Ash Valley RNA | 1554 | Comment | ||
CHSC58503 | Taraxia tanacetifolia | Vernon H. Oswald | 1992-7-3 | 5051 | Lassen | Lassen Volcanic Park. Grassy Creek on the S shore of Snag Lake. | 1851 | Comment | ||
CHSC99278 | 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 | ||
JEPS107459 | Taraxia tanacetifolia | Lowell Ahart, John Dittes | 2005-6-1 | 11856 | Lassen | In the center 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 | ||
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 | ||
UCD107052 | Taraxia tanacetifolia | R. Carter | 1967-6-23 | 547 | Lassen | Upper part of Murrer's Meadow. | 1584 | Comment | ||
CAS-BOT-BC329046 | Tetradymia canescens | Elmer I. Applegate | 1897-6-4 | 855 | Lassen | North end of Madeline Plains, northern Lassen County | Comment | |||
CAS-BOT-BC329047 | Tetradymia canescens | Elmer I. Applegate | 1897-6-4 | 3034 | Lassen | Madeline Plains | Comment | |||
JEPS17732 | Tetradymia canescens | Rimo Bacigalupi with G. T. Robbins | 1955-7-21 | 5421 | Lassen | 16.3 mi e U. S. 395 (and 2.5 w of Calif-Nevada State line, tributary of Rush Creek (head of Smoke Creek drainage)); Rush Creek, Smoke Creek | 1389 | Comment | ||
LA204037 | Tetradymia canescens | Lewis S. Rose; | 1934-7-23 | 34409 | Lassen | Reno Junction | 1371 | Comment | ||
CDA8930 | Tetradymia glabrata | G. D. Barbe | 1982-7-13 | 3883 | Lassen | On Madeline Plain, along Westside Road, east base of Dry Valley Ridge, 3 miles north of Dry Valley Gap. | Comment | |||
UC585130 | Tetradymia glabrata | E. B. Babcock, G. L. Stebbins Jr. | 1936-6-7 | 1737 | Lassen | mountain above Red Rock | 1420 | Comment | ||
UC830638 | Tetradymia glabrata | A. A. Heller | 1938-6-23 | 15205 | Lassen | near Mapes (on U.S. Hwy 395) | 1310 | Comment | ||
JEPS38098 | Tetradymia spinosa | J. B. Davy | June 1897 | 3341 | Lassen | Honey Lake Valley | Comment | |||
CAS-BOT-BC392358 | Thalictrum fendleri | John Thomas Howell | 1934-6-14 | 12118 | Lassen | Near Lost Lake, Warner Mts. | 2438 | 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 | ||
RSA334864 | Thelypodium howellii | A. Tiehm, Gary Schoolcraft | 1984-6-25 | 8826 | Lassen | Rodeo Flat, 2.7 miles west of the state line on Buckhorn road from Ravendale to Hwy 81 | 1829 | Comment | ||
CAS-BOT-BC88087 | Thelypodium howellii subsp. howellii | G. Schoolcraft | 1986-6-11 | 1613 | Lassen | Along Buckhorn road near East edge of Madeline Plalins. | 1645 | Comment | ||
UC2031889 | Thelypodium integrifolium subsp. complanatum | Barbara L. Wilson with Richard Brainerd, Danna Lytjen, Bruce Newhouse and Nick Otting | 2004-8-27 | 11183 | Lassen | Grazing exclosure at Phone Spring, property of the Bureau of Land Management. | Comment | |||
CAS-BOT-BC207183 | Thinopyrum intermedium subsp. intermedium | John Thomas Howell; Gordon H. True | 1973-8-1 | 50186 | Lassen | Gold Run Creek Road south of Susanville, Diamond Range - Sierra Nevada | 1584 | 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 | ||
CAS-BOT-BC193472 | Thinopyrum ponticum | T. C. Fuller | 1963-7-15 | 10887 | Lassen | S. of road to Little Valley 2.9 mi. SE of Pittville | Comment | |||
JEPS124377 | Thlaspi arvense | Lowell Ahart, John Dittes | 2015-7-13 | 20309 | Lassen | Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. | Comment | |||
UC496326 | Thysanocarpus curvipes | Doris Kildale Gillespie | 1930-5-12 | 9332 | Lassen | on road to Alturas 2 mi n Susanville | Comment | |||
HSC28503 | Tiquilia nuttallii | D. H. Norris, Thomas W. Nelson, S. Dowty | 1971-6-22 | 19287 | Lassen | Along Hwy. 395, 4 mi. E of Standish | Comment | |||
JEPS17736 | Tiquilia nuttallii | Rimo Bacigalupi with G. T. Robbins | 1955-7-21 | 5423 | Lassen | s. of Smoke Creek Ranch Rd., 17.5 mi. e. of U.S. 395, 1.3 mi. w. of Nevada State line Rush Creek | 1353 | Comment | ||
UCD93238 | Torreyochloa pallida var. pauciflora | L. Whitney | 1933-8-2 | s.n. | Lassen | Slate Creek. | 1920 | Comment | ||
RSA152631 | Tragopogon porrifolius | I. L. Wiggins, Dorothy Wiggins | 1961-6-11 | 16354 | Lassen | 2 miles E of Susanville. | Comment | |||
HSC93311 | Triantha occidentalis subsp. occidentalis | Vernon H. Oswald, L. Ahart | 1996-8-1 | 8122 | Lassen | USFS Rd. 28N56 2 mi. N of Dyer Mtn. Lookout, SSW of Westwood | 1738 | Comment | ||
HSC97190 | Trichostema simulatum | L. Ahart | 2003-8-17 | 10514 | Lassen | E side of Hwy. 36, 1/4 mi. SW of the Susan River, 8 air mi. SW of Susanville | 1434 | Comment | ||
POM70273 | Trichostema simulatum | Marcus E. Jones | 1897-6-25 | s.n. | Lassen | Susanville. | 1341 | Comment | ||
SBBG119831 | Trichostema simulatum | L. Ahart | 2003-8-17 | 10514 | Lassen | E side of Hwy 36, ca. 0.25 air mi SW of the Susan River, ca. 8 air mi SW of Susanville | 1433 | Comment | ||
UCLA55045 | Trichostema simulatum | Robert F. Hoover | 1940-9-21 | 4603 | Lassen | 4 mi W of Susanville | Comment | |||
JEPS107473 | Trifolium andersonii var. andersonii | Lowell Ahart, John Dittes | 2005-6-1 | 11844 | Lassen | On both sides 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 | ||
JEPS118479 | Trifolium beckwithii | Lowell Ahart, John Dittes | 2011-6-21 | 17535 | Lassen | About 100 yards north 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 | ||
RSA0035825 | Trifolium beckwithii | Lowell A. Ahart, John Dittes | 2008-6-20 | 14906 | 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 | ||
UC165623 | Trifolium breweri | Milo S. Baker | Lassen | Comment | ||||||
CHSC5292 | Trifolium cyathiferum | P. Balch | 1955-7-18 | Lassen | Eagle Lake. Roadside meadow near Antelope Lookout. | 2342 | Comment | |||
JEPS127181 | Trifolium longipes subsp. hansenii | Lowell Ahart, John Dittes | 2016-7-15 | 21230 | Lassen | 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 | |||
CHSC107995 | Trifolium longipes var. nevadense | Lowell Ahart; John Dittes | 2011-6-20 | 17478 | 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 | ||
JEPS114641 | Trifolium longipes var. nevadense | Lowell 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 | ||
JEPS118268 | Trifolium longipes var. nevadense | Lowell Ahart, John Dittes | 2011-6-20 | 17478 | 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 | ||
CHSC68864 | Trifolium productum | Vernon Oswald; Lowell Ahart | 1997-6-24 | 8636 | Lassen | South of Susanville near the small pond on the crest of Diamond Mtn., about midway between Aspen Flat and Red Rock Lookout. | 2249 | Comment | ||
CHSC117226 | Trifolium ultramontanum | Lowell Ahart; John Dittes | 2016-6-7 | 20986 | Lassen | West edge of pond, 120 yards east of Stonebreaker Road, 0.6 miles south of County Road A-2, 5.3 miles (air) southwest of Adin, hills at the Bieber, 7.3 miles (air) southwest of Adin, hills at the southern slope of Big Valley. | 1289 | Comment | ||
UC16719 | Trifolium wormskioldii | J. Burtt Davy | Jun 17 1897-Jun 24 1897 | 3347 | Lassen | Honey Lake Valley | Comment | |||
CHSC66276 | Triglochin scilloides | Vernon H. Oswald; Lowell Ahart | 1996-6-24 | 7878 | 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 | ||
CAS-BOT-BC199575 | Trisetum canescens | John Thomas Howell | 1976-7-19 | 51972 | Lassen | On Gold Run Creek southwest of Susanville | 1386 | Comment | ||
CHSC68890 | Trisetum spicatum | Vernon Oswald; Lowell Ahart | 1997-6-24 | 8646 | Lassen | South of Susanville near the pond on the crest of Diamond Mtn., about midway between Aspen Flat and Red Rock Lookout. | 2249 | Comment | ||
CAS-BOT-BC522008 | Triteleia hyacinthina | Ella Dales Cantelow | 1935-6-8 | 905 | Lassen | 13 miles west of Bieber | Comment | |||
SEINET3890348 | Triteleia hyacinthina | Arnold Tiehm, Jan Nachlinger; Margaret Williams | 1988-6-2 | 11705 | Lassen | East side of Snowstorm Mt., 18.1 road miles north of Wendel road on highway 395 from Susanville to Alturas.; 0 | 1402 | Comment | ||
UCD55290 | Uropappus lindleyi | Ellen Dean; Gary Schoolcraft | 2006-5-16 | 3111 | 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 | ||
HSC95256 | Utricularia macrorhiza | Gordon Leppig, Kai Neander, Juli Neander | 1997-7-25 | 683 | Lassen | Modoc National Forest, Blue Lake Ranch | 1970 | Comment | ||
UC35006 | Utricularia macrorhiza | J. Burtt Davy | Jun 17 1897-Jun 24 1897 | 3339 | Lassen | w. end of lake Honey Lake Valley | 1219 | Comment | ||
CHSC65315 | Utricularia minor | Vernon H. Oswald | 1995-8-21 | 7215 | Lassen | Warner Mtns. Blue Lake located ca. 13 mi SE of Likely. At the SW corner of the lake. | 1859 | Comment | ||
CHSC117542 | Ventenata dubia | Lowell Ahart; John Dittes | 2016-7-13 | 21148 | 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 east of Bieber, 7.3 miles (air) southwest of Adin, hills at the southern slope of Big Valley. | 1289 | Comment | ||
CHSC66423 | Ventenata dubia | Vernon H. Oswald; Lowell Ahart | 1996-6-17 | 7791 .1 | Lassen | Modoc Plateau. Bizz Johnson Trail accessed at Devils Corral Trailhead located off of Hwy. 36 ca. 7 mi W of Susanville. At trailside just SE of the Hwy. 36 bridge spanning the Susan River. | 1402 | Comment | ||
CHSC66734 | Veronica scutellata | Vernon H. Oswald; Lowell Ahart | 1996-8-1 | 8113 | Lassen | Mountain Meadows Reservoir SW of Westwood. | 1539 | Comment | ||
CHSC61062 | Veronica serpyllifolia subsp. humifusa | Vernon H. Oswald; Lowell Ahart | 1993-8-3 | 5746 | Lassen | Cooper Swamp located E of Silver Lake just E of the Caribou Wilderness, ca. 13 mi (air) N of Lake Almanor. | 1932 | Comment | ||
CHSC30614 | Vicia americana var. americana | L. Maslin | 1975-7-1 | 8 | Lassen | Corn lily meadow, over the ridge s of Deans mdw. | 1920 | Comment | ||
CHSC99302 | Vicia americana var. americana | Lowell Ahart; John Dittes | 2008-6-20 | 14936 | 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. | 1263 | Comment | ||
UC16938 | Vicia americana var. americana | M. S. Baker and Frank Nutting | 1894-7-3 | Lassen | Dixie Mts. | Comment | ||||
UC921155 | Viola adunca | Loyd Swift | 1928-5-23 | Lassen | Lassen National Forest | Comment | ||||
UC773911 | Viola praemorsa subsp. linguifolia | L. R. Short | 1936-5-7 | S 345 | Lassen | Burgess Spring Experiment Range; Lassen National Forest, Burgess Spring Experiment Range | 1859 | Comment | ||
CHSC36499 | Viola purpurea subsp. dimorpha | Theresa Costa | 1982-6-3 | 27 | Lassen | Ca. .9 mi e jct forest service rd 5.16 and 5.17, ca. 20 yd e 5.16 heading over Black Mtn. | Comment | |||
HSC31750 | Viola purpurea subsp. venosa | Donald Spalinger | 1974-5-16 | 63 | Lassen | 300 yds. S of intersection of Rd. A3 and H 395 | 1250 | Comment | ||
CHSC7740 | Viola sororia subsp. affinis | Beverley J. Wise | 1969-5-18 | 120 | Lassen | 18.2 mi. East of Susanville on Las. Co. Rd. 216 off Las. Co. Rd. 215. | 1554 | Comment | ||
CHSC93560 | Vulpia myuros var. hirsuta | Lowell Ahart; John Dittes | 2005-6-1 | 11914 | Lassen | Long Valley, on the north side of Scott road, east side of the railroad underpass, 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 | ||
CHSC23561 | Wyethia mollis | W. O. Baum | 1971-6-28 | 37 | Lassen | S slope of Gallatin Peak. | 2011 | Comment | ||
JEPS28718 | Wyethia mollis | George W. Gillett | 1957-7-29 | 957 | Lassen | near Butte Lake trail (above Snag Lake); Lassen Volcanic National Park, Snag Lake | 1859 | Comment | ||
SD61008 | Wyethia mollis | Darley F. Howe | 1964-8-2 | 3922 | Lassen | East Creek, Warner Mountains, Modoc National Forest | 1980 | Comment | ||
UC729642 | Wyethia mollis | Carl B. Wolf | 1929-9-1 | 3777 | Lassen | between Grassy and Snag Lakes; Mt. Lassen National Park | Comment | |||
UCD62826 | X Pseudelymus saxicola | G. L. Stebbins Jr.; J. A. Jenkins | 1937-7-13 | 2341 | Lassen | Ca. 3 mi. east of Champs. | 2042 | Comment | ||
SD6322 | Xerophyllum tenax | Mrs. R. M. Austin | 1878-1 | Lassen | Snake Lake. | Comment | ||||
RSA772869 | Zannichellia palustris | Robert F. Thorne, Larry E. DeBuhr | 1975-8-22 | 47203 | Lassen | Along Highway 395 ca. 5 miles north of Madeline and ca. 5.5 miles south of Modoc county line | 1616 | Comment | ||
UCD150398 | Zeltnera exaltata | William Anderson | 1963-7-9 | s.n. | Lassen | Hartson Reservoir. | Comment | |||
HSC30044 | Zigadenus paniculatus | D. H. Norris, Thomas W. Nelson, S. Dowty | 1971-6-22 | 19200 | Lassen | Harvey Valley near Cone Springs | Comment | |||
HSC30072 | Zigadenus paniculatus | D. H. Norris, Thomas W. Nelson, S. Dowty | 1971-6-22 | 19158 | Lassen | 3 mi. N of Westwood | Comment | |||
HSC30121 | Zigadenus paniculatus | D. H. Norris, Thomas W. Nelson, S. Dowty | 1971-6-22 | 19307 | Lassen | Along Hwy. 395, 4 mi. E of Standish | Comment | |||
UC773858 | Zigadenus paniculatus | L. R. Short and J. Warren | 1936-6-12 | S- 434 | Lassen | Burgess Spring Experiment Range Lassen Forest, (Lassen National Forest?) | 1844 | Comment | ||
HSC15756 | Zigadenus paniculatus | K. P. St. John | 1965-5-6 | 27 | Lassen | 2 mi. E of Litchfield on Hwy. 395 | Comment | |||
CAS-BOT-BC534213 | Zigadenus venenosus | Luella Bass | 1980-6-14 | EV 3 -80 | Lassen | Elysian Valley | 1325 | Comment | ||
HSC22870 | Zigadenus venenosus var. venenosus | John Pratt | 1970-6-13 | 7 | Lassen | 1677 | Comment |
Copyright © 2019 Regents of the University of California — Updated 11 January 2019 |