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Specimen ID
Determination *
Collector
Collection Date
Collection Number
County
Locality
Elevation in meters
Feedback
CHSC8733
Alisma triviale
S. Chulasmai
1966-4-30
17
Shasta
Vernal pond 0.2 mile from Hat Creek R.
Comment
CHSC8756
Alisma gramineum
S. Chulasmai
1966-4-30
12
Shasta
Vernal pond 0.5 mile from Hat Creek River.
Comment
CHSC8755
Sagittaria
S. Chulasmai
1966-4-30
16
Shasta
0.5 mile from Hat Creek River.
Comment
CDA13514
Angelica breweri
G. F. Hrusa, T. D. Wilfred
1996-7-22
13340
Shasta
Lassen National Forest; Adjacent to Hwy 89, approx. 2 miles S of intersection with USFS S16. Sheet 1 of 2
Comment
CDA40898
Angelica breweri
G. F. Hrusa, T. D. Wilfred
1996-7-22
13340
Shasta
Lassen National Forest; Adjacent to Hwy 89, approx. 2 miles S of intersection with USFS S16. Sheet 2 of 2
Comment
SBBG21900
Asclepias speciosa
D. Myrick
1964-7-24
944
Shasta
Hwy 89, near Big Spring between Manzanita Lake and Mt Shasta
1371
Comment
CHSC8764
Lemna minor
S. Chulasmai
1966-4-30
30
Shasta
Vernal pond (0.5 miles from Hat Creek River).
Comment
CHSC8762
Spirodela polyrhiza
S. Chulasmai
1966-4-30
29
Shasta
Vernal pool 0.5 mile from Hat Creek River.
Comment
UC1873020
Asarum hartwegii
David Keil
2004-7-10
30313
Shasta
Along California Routes 44/89 SW of Old Station. Lassen National Forest.
1485
Comment
CDA13518
Agoseris glauca var. laciniata
G. F. Hrusa, T. D. Wilfred
1996-7-22
13344
Shasta
Lassen National Forest; Adjacent to Hwy 89, approx. 2 miles S of intersection with USFS S16.
Comment
CHSC75445
Agoseris heterophylla
G. F. Hrusa; T. D. Wilfred
1996-6-11
13034
Shasta
Lassen National Forest. W side of Hwy 89-44 approx. 1/2 mile S of Big Spring.
1440
Comment
UC1927953
Antennaria rosea
David Keil
2004-7-10
30321
Shasta
Along California Routes 44/89 southwest of Old Station. Lassen National Forest. Vicinity of 40 37.859'N x 121 28.610'W
Comment
UC1927952
Arnica chamissonis
David Keil
2004-7-10
30324
Shasta
Along California Routes 44/89 southwest of Old Station. Lassen National Forest. Vicinity of 40 36.386'N x 121 31.381'W
Comment
UC53881
Arnica chamissonis
H. M. Hall and E. B. Babcock
1903-6-24
4270
Shasta
near, Great Spring; Sierra Nevada Mountains, Hat Creek
1402
Comment
GH387042
Chrysothamnus viscidiflorus
W. W. Eggleston
1911-8-5
7501
Unknown
Big Spring Ranger Station, Hat Creek
Comment
CDA13516
Erigeron inornatus var. inornatus
G. F. Hrusa, T. D. Wilfred
1996-7-22
13342
Shasta
Lassen National Forest; adjacent to Hwy 89, approx. 2 miles S of intersection with USFS S16.
Comment
OBI55511
Erigeron inornatus var. inornatus
David J. Keil, Kathleen Keil
1992-7-25
23590
Shasta
Lassen NF along hwy 89. 6.5 mi N of Lassen Natl Park boundary
Comment
UC1080201
Eriophyllum lanatum var. achilleoides
George Gillett
1953-7-9
266
Shasta
on basalt flow above highway 89 (at Big Spring, n end of Lassen Volcanic National Park); Lassen Volcanic National Park, Big Spring
Comment
JEPS28545
Gnaphalium palustre
George W. Gillett
1957-7-8
674
Shasta
5.8 mi ne of Manzanita Lake (0.25 mi s of Burney Highway, Lost Creek); Lassen Volcanic National Park, Lost Creek
1584
Comment
JEPS28565
Gnaphalium palustre
George W. Gillett
1957-7-9
699
Shasta
about 2 mi s of Big Springs (confluence of Hat Creek and Lost Creek n of Park); Lassen Volcanic National Park
1524
Comment
CAS-BOT-BC313435
Hemizonella minima
John Thomas Howell
1961-6-20
36543
Shasta
Lassen Highway 1 mi. nw. of Lost Creek Bridge, Lassen Volcanic National Park
1798
Comment
JEPS28538
Hemizonella minima
George W. Gillett
1957-7-8
665
Shasta
1/4 mi s Burney Highway (5.8 mi ne of Manzanita Lake entrance station); Lassen Volcanic National Park, Lost Creek
1584
Comment
JEPS29570
Hemizonella minima
John Thomas Howell
1961-6-20
36543
Shasta
Lassen Hwy 1 mi nw Lost Creek Bridge; Lassen Volcanic National Park
1798
Comment
UC1927951
Hieracium scouleri
David Keil
2004-7-10
30319
Shasta
Along California Routes 44/89 southwest of Old Station. Lassen National Forest. Vicinity of 40 37.859'N x 121 28.610'W
Comment
OBI55510
Stephanomeria tenuifolia
David J. Keil, Kathleen Keil
1992-7-25
23589
Shasta
Lassen Natl Forest along Hwy 89. 6.5 mi N of Lassen Natl Park boundary
Comment
CDA13045
Alnus incana subsp. tenuifolia
G. F. Hrusa, T. D. Wilfred
1996-6-1
12976
Shasta
Lassen National Forest; Hat Creek approximately 400 meters downstream from Big Spring.
Comment
JEPS28546
Cryptantha affinis
George W. Gillett
1957-7-8
675
Shasta
0.25 mi s Burney Highway (5.8 mi ne of Manzanita Lake Entrance Station); Lassen Volcanic National Park, Lost Creek
1584
Comment
JEPS28563
Cryptantha ambigua
George W. Gillett
1957-7-9
697
Shasta
about 2 mi n Big Springs (confluence of Hat Creek and Lost Creek, n ofLassen Volcanic National Park); Hat Creek, Lost Creek
1524
Comment
CDA41496
Lithospermum ruderale
G. F. Hrusa, T. D. Wilfred
1996-6-1
12993
Shasta
Lassen National Forest; NW side of Hwy 44 1 m. SW of USFS N12 to Twin Bridges.
Comment
UCD119500
Lithospermum ruderale
G. F. Hrusa; T. D. Wilfred
1996-6-10
12993
Shasta
NW side of Hwy 44 1 m. SW of USFS N12 to Twin Bridges. Lassen National Forest.
1555
Comment
CDA13480
Nama lobbii
G. F. Hrusa, T. D. Wilfred
1996-7-22
13326
Shasta
Lassen National Forest; Along USFS S16 on ridge to W of Bunchgrass Valley.
Comment
UC54515
Phacelia linearis
H. M. Hall and E. B. Babcock
June, 1903
4272
Shasta
Great Spring Sierra Nevada Mountains, Hat Creek
1371
Comment
JEPS28544
Plagiobothrys hispidulus
George W. Gillett
1957-7-8
673
Shasta
along creek 1/4 mi s Burney Hy. (5.8 mi ne of Manzanita Lake Ranger Station); Lassen Volcanic National Park, Lost Creek
1584
Comment
JEPS28559
Plagiobothrys cusickii
George W. Gillett
1957-7-9
692
Shasta
confluence of Hat Creek and Lost Creek (n of Lassen Volcanic National Park, about 2 mi s of Big Springs)
1524
Comment
SBBG21893
Plagiobothrys hispidus
D. Myrick
1964-7-24
940
Shasta
Hwy 89, ca 10 mi N of Manzanita Lake
1524
Comment
CDA13064
Arabis holboellii var. retrofracta
G. F. Hrusa, T. D. Wilfred
1996-6-1
12992
Shasta
Lassen National Forest; NW side of Hwy 44, 1 mi. SW of USFS N12 to Twin Bridges.
Comment
CDA13069
Arabis divaricarpa
G. F. Hrusa, T. D. Wilfred
1996-6-1
12998
Shasta
Lassen National Forest; NW side of Hwy 44 1 mi. SW of USFS N12 to Twin Bridges.
Comment
CHSC85466
Boechera retrofracta
G. F. Hrusa; T. D. Wilfred
1996-6-11
13011
Shasta
Northern California. Lassen National Forest. E side of Hwy 89 approx. 1/2 mile N of Old Station Trailer Park, and between USFS N99 and N91. Latitude: 40 degrees 41' N. Longitude: 121 degrees 26' W.
1386
Comment
CAS-BOT-BC54560
Erysimum capitatum
G. B. Rossbach; R. P. Rossbach
1938-7-20
888
Shasta
By Route 89, between Hat Creek and Manzanita Lake.
1524
Comment
UC1034728
Erysimum capitatum var. capitatum
G. B. and R. P. Rossbach
1938-7-20
888
Shasta
by Route 89 between Hat Creek and Manzanita Lake
1524
Comment
JEPS28540
Heterocodon rariflorum
George W. Gillett
1957-7-8
667
Shasta
0.25 mi s Burney Highway (Lost Creek, 5.8 mi ne of Manzanita Lake entrance station); Lassen Volcanic National Park, Lost Creek
1584
Comment
JEPS28564
Heterocodon rariflorum
George W. Gillett
1957-7-9
698
Shasta
about 2 mi s Big Springs (confluence of Hat Creek and Lost Creek, n of Lassen Volcanic National Park); Lassen Volcanic National Park
1524
Comment
CDA13062
Symphoricarpos rotundifolius var. rotundifolius
G. F. Hrusa, T. D. Wilfred
1996-6-1
12990
Shasta
Lassen National Forest; NW side of Hwy 44 1 m. SW of USFS N12 to Twin Bridges.
Comment
UCD137472
Symphoricarpos rotundifolius var. rotundifolius
G. F. Hrusa; T. D. Wilfred
1996-6-10
12990
Shasta
NW side of Hwy 44 1 m. SW of USFS N12 to Twin Bridges.
1555
Comment
JEPS28446
Cerastium fontanum subsp. vulgare
George W. Gillett
1957-7-8
672
Shasta
5.8 mi. n.e. Manzanita Lake Entrance Station (1/4 mi. s. of Burney Hwy., Lost Creek); Lassen Volcanic Nat'l Park, Lost Creek
1584
Comment
JEPS28435
Sagina saginoides
George W. Gillett
1957-7-8
678
Shasta
5.8 mi. n.e. Manzanita Lake Entrance Station (1/4 mi. s. of Burney Hwy., Lost Creek); Lassen Volcanic Nat'l Park, Lost Creek
1584
Comment
CDA13517
Silene occidentalis
G. F. Hrusa, T. D. Wilfred
1996-7-22
13343
Shasta
Lassen National Forest; Adjacent to Hwy 89, approx. 2 miles S of intersection with USFS S16.
Comment
CHSC85447
Silene douglasii
G. F. Hrusa; T. D. Wilfred
1996-7-22
13339
Shasta
Northeast California. Lassen National Forest. Approx. 4-5 miles S of Old Station.
1386
Comment
JEPS28431
Stellaria longipes var. longipes
George W. Gillett
1957-7-8
670
Shasta
5.8 mi ne Manzanitz Lake entrance station (0.25 mi s of Burney Highway, Lost Creek); Lassen Volcanic National Park, Lost Creek
1584
Comment
CHSC8778
Ceratophyllum demersum
S. Chulasmai
1966-4-30
18
Shasta
Vernal pond (0.5 mile from Hat Creek River).
Comment
JEPS28553
Chenopodium pumilio
George W. Gillett
1957-7-9
684
Shasta
confluence of Hat Creek and Lost Creek (n of Park, about 2 mi s of Big Springs); Lassen Volcanic National Park
1524
Comment
UC1953802
Calystegia occidentalis subsp. occidentalis
David Keil
2004-7-10
30318
Shasta
Along California Routes 44/89 southwest of Old Station. Lassen National Forest.
Comment
CDA12174
Carex simulata
G. F. Hrusa
1991-6-25
8502
Shasta
Sierra Nevada; Under power lines on S side of Pit River on road to Sam Wolfen Spr. Approx. 3/4 m. downstream from Pit 1 Powerhouse.
Comment
CDA12175
Carex subfusca
G. F. Hrusa
1991-6-25
8499
Shasta
Sierra Nevada; S side of Pit River on road to Sam Wolfen Spr. approx. 1/2 m. downsteam from Pit 1 Powerhouse.
Comment
CDA12176
Carex utriculata
G. F. Hrusa, S. Towers
1991-6-25
8473
Shasta
Sierra Nevada; E side of Hat Creek immediately E of Hwy. 299 bridge. also immediately W of Pit River here.
Comment
CDA13066
Carex multicostata
G. F. Hrusa, T. D. Wilfred
1996-6-1
12995
Shasta
Lassen National Forest; NW side of Hwy 44 1 m. SW of USFS N12 to Twin Bridges.
Comment
CDA13100
Carex rossii
G. F. Hrusa, T. D. Wilfred
1996-6-11
13035
Shasta
Lassen National Forest; NW side of Hwy 44 1 m. SW of USFS N12 to Twin Bridges.
Comment
CHSC92528
Carex multicostata
G. F. Hrusa; T. D. Wilfred
1996-6-10
12995
Shasta
NW side of Hwy 44 1 m. SW of USFS N12 to Twin Bridges. Edge of Jeffrey pine forest at base of large volcanic lava flow. Lassen National Forest.
1550
Comment
OBI77183
Carex aurea
Anthony Baniaga
2011-7-14
452
Shasta
Lassen NF. About 1/4 mi SE of Los Crk. Manzanita Lake quad T32N R4E sec 22 SW of SW
1547
Comment
UCD140193
Carex brainerdii
G. F. Hrusa; T. D. Wilfred
1996-6-11
13035
Shasta
Lassen National Forest. NW side of Highway 44 1 mile southwest of USFS N12 to Twin Bridges.
1550
Comment
CDA13507
Chamaesyce serpillifolia subsp. serpillifolia
G. F. Hrusa, T. D. Wilfred
1996-7-22
13332
Shasta
Lassen National Forest; Turnout on Hwy 89. About 2 miles N. of intersection of USFS 32N16.
Comment
CHSC85452
Chamaesyce serpillifolia subsp. serpillifolia
G. F. Hrusa; T. D. Wilfred
1996-7-22
13332
Shasta
Northeast California. Lassen National Forest. At turnout on Hwy 89. About 2 miles N. of intersection of USFS S16.
1550
Comment
SBBG21854
Euphorbia crenulata
D. Myrick
1964-7-24
943
Shasta
Hwy 89, near Big Spring between Manzanita Lake and Mt Shasta
1371
Comment
UC1036263
Euphorbia crenulata
George W. Gillett
1952-6-28
50
Shasta
near Big Springs (on Hat Creek, along State Hwy 89, ne of Lassen Volcanic National Park); Lassen National Forest
1402
Comment
JEPS28475
Lotus purshianus var. purshianus
George W. Gillett
1957-7-8
679
Shasta
0.25 mi s Burney Highway (5.8 mi ne of Manzanita Lake Entrance Station); Lassen Volcanic National Park, Lost Creek
1584
Comment
CHSC85685
Lupinus argenteus var. palmeri
G. F. Hrusa; T. D. Wilfred
1996-6-11
13022
Shasta
Lassen National Forest. E side of Hwy 89 approx. 1/2 m. N of Old Station Trailer Park, and between USFS N99 and N91. At base of slope N of N99. Latitude: 40 degrees 41' N. Longitude: 121 degrees 26' W.
1385
Comment
SEINET10431709
Lupinus apertus
Anthony Baniaga
2011-7-12
447
Shasta
Lassen National Forest, along Lost Creek, NW of junction 32N13 and N" spur. T31N R4E sec 3 SW of NE
1675
Comment
UCSB16021
Lupinus lepidus var. sellulus
Breedlove, Dennis
1962-6-12
Shasta
Along State Highway 89, 7.8 miles south of Old Station; Cascade Range
1584
Comment
JEPS28477
Trifolium monanthum var. monanthum
George W. Gillett
1957-7-9
686
Shasta
ca 2 mi s Big Springs (confluence of Hat Creek and Lost Creek); Lassen Volcanic National Park
Comment
JEPS28490
Trifolium microcephalum
George W. Gillett
1957-7-9
700
Shasta
2 mi s Big Springs (confluence of Hat Creek and Lost Creek, n of Park); Lassen Vocanic National Park
Comment
CDA13060
Vicia americana var. americana
G. F. Hrusa, T. D. Wilfred
1996-6-1
12988
Shasta
Lassen National Forest; NW side of Hwy 44 1 m. SW of USFS N12 to Twin Bridges.
Comment
CDA13070
Vicia americana subsp. americana
G. F. Hrusa, T. D. Wilfred
1996-6-1
12999
Shasta
Lassen National Forest; NW side of Hwy 44 1 m. SW of USFS N12 to Twin Bridges.
Comment
SBBG21864
Vicia americana subsp. americana
D. Myrick
1964-7-24
938
Shasta
Hwy 89, ca 10 mi N of Manzanita Lake
1524
Comment
UCD108715
Vicia americana subsp. americana
G. F. Hrusa; T. D. Wilfred
1996-6-10
12999
Shasta
Lassen National Forest. NW side of Hwy 44 1 m. SW of USFS N12 to Twin Bridges.
1550
Comment
JEPS28557
Gentianopsis simplex
George W. Gillett
1957-7-9
690
Shasta
ca. 2 mi. s. Big Springs (confluence of Hat Creek and Lost Creek n. of Lassen Volcanic Nat'l Park)
1524
Comment
CAS-BOT-BC108749
Ribes cereum
D. E. Breedlove
1962-6-12
3418
Shasta
Along State Highway 89, 7.8 miles south of Old Station. Cascade Range.
1584
Comment
CAS-BOT-BC108750
Ribes cereum
D. E. Breedlove
1962-6-12
3418
Shasta
Along State Highway 89, 7.8 miles south of Old Station. Cascade Range.
1584
Comment
UCSB15995
Ribes cereum var. cereum
Breedlove, Dennis
1962-6-12
Shasta
along State Highway. 89; 7.8 miles south of Old Station; Cascade Range
1584
Comment
CHSC8737
Myriophyllum sibiricum
S. Chulasmai
1966-4-30
22
Shasta
Hat Creek River.
Comment
CHSC8740
Myriophyllum quitense
S. Chulasmai
1966-4-30
20
Shasta
Vernal pond, 0.5 mile from Hat Creek River.
Comment
CHSC8745
Myriophyllum sibiricum
S. Chulasmai
1966-4-30
21
Shasta
Hat Creek River.
Comment
CHSC8771
Egeria densa
S. Chulasmai
1960-4-30
23
Shasta
Locality: Hat Creek River.
Comment
CHSC8770
Elodea canadensis
S. Chulasmai
1966-4-30
14
Shasta
Hat Creek River.
Comment
UC1024371
Hypericum formosum var. scouleri
George W. Gillett
1952-7-22
93
Shasta
along State Hwy. 89 n.e. of Lassen Volcanic Nat'l Park (Hat Creek near Old Station); Lassen Nat'l Forest, Hat Creek
1371
Comment
CHSC105143
Juncus ensifolius
Peter F. Zika
2008-7-14
23889
Shasta
Common in shady riparian zone of Lost Creek, with Carex pellita, C. pachystachya, Juncus nevadensis var. nevadensis, J. balticus subsp. ater, SE side of Routes 44 and 89, 3 air km SE of Bear Wallow Butte (Cascade Range Highlands CaRH)
1555
Comment
JEPS28542
Juncus mexicanus
George W. Gillett
1957-7-8
669
Shasta
0.25 mi s Burney Highway (5.8 mi ne of Manzanita Lake entrance station); Lassen Volcanic National Park, Lost Creek
1584
Comment
JEPS28562
Juncus bufonius
George W. Gillett
1957-7-9
696
Shasta
about 2 mi s Big Springs (confluence of Hat Creek and Lost Creek, n of Lassen Volcanic National Park); Lassen Volcanic National Park, Hat Creek, Lost Creek
1524
Comment
CDA13063
Agastache parvifolia
G. F. Hrusa, T. D. Wilfred
1996-6-1
12991
Shasta
Lassen National Forest; NW side of Hwy 44 1 mi. SW of USFS N12 to Twin Bridges.
Comment
HSC94097
Agastache parvifolia
G. Fred Hrusa, T. D. Wilfred
1996-6-10
12991
Shasta
NW side of Hwy. 44 1 mi. SW of USFS N12 to Twin Bridges, near summit of large volcanic lava flow
1555
Comment
SBBG21844
Agastache urticifolia
D. Myrick
1964-7-24
934
Shasta
Hwy 89, ca 10 mi N of Manzanita Lake
1524
Comment
SBBG6367
Agastache urticifolia
H. and M. Dearing
1938-6-27
2156
Shasta
Big Spring
1524
Comment
SBBG6369
Agastache urticifolia
H. and M. Dearing
1938-6-27
2156
Shasta
Big Spring
1524
Comment
UC1506460
Agastache urticifolia
J. E. Vogelmann
1980-7-28
56
Shasta
on Route 89, 7.8 mi n Lassen Volcanic Park boundary (Lassen National Forest); , n of Lassen Volcanic Park boundary
Comment
UC711964
Agastache parvifolia
Roxana S. Ferris and Laura Lorraine
1941-8-10
10482
Shasta
State Highway #89 between Lassen National Park boundary and Old Station 5 1/2 mi s Old Station; btw Lassen National Park boundary and Old Station
Comment
UCD124636
Agastache parvifolia
G. F. Hrusa; T. D. Wilfred
1996-6-10
12993
Shasta
NW side of Hwy 44 1 m. SW of USFS N12 to Twin Bridges.
1555
Comment
UCLA72474
Agastache parvifolia
Roxana S. Ferris and Laura Lorraine
1941-8-10
10482
Shasta
between boundary of Lassen National Park and Old Station 5 1/2 mi s Old Station ([Hat Creek drainage]); btw Lassen National Park and Old Station [Hat Creek drainage
Comment
CDA13523
Scutellaria nana
G. F. Hrusa, T. D. Wilfred
1996-7-22
13349
Shasta
Lassen National Forest; Along Hwy 89, approx. 2 m. N. of intersection with USFS S16.
Comment
SBBG21880
Scutellaria nana
D. Myrick
1964-7-24
939
Shasta
Hwy 89, ca 10 mi N of Manzanita Lake
1524
Comment
JEPS28539
Stachys ajugoides var. rigida
George W. Gillett
1957-7-8
666
Shasta
1/4 mi s Burney Highway (5.8 mi ne of Manzanita Lake Entrance Station); Lassen Volcanic National Park, Lost Creek
1584
Comment
UC54594
Stachys ajugoides var. ajugoides
H. M. Hall and E. B. Babcock
June, 1903
4270
Shasta
near Great Spring; Sierra Nevada Mountains, Hat Creek
1402
Comment
CHSC8741
Utricularia vulgaris
S. Chulasmai
1966-4-30
26
Shasta
Pond (0.5 mile from Hat Creek River).
Comment
CHSC8747
Utricularia vulgaris
S. Chulasmai
1966-4-30
27
Shasta
Vernal pond (0.5 mile from Hat Creek River).
Comment
SEINET3218829
Disporum hookeri var. trachyandrum
C. W. Sharsmith
1966-6-18
7459
Shasta
Southeastern Shasta County.
Comment
JEPS28551
Mentzelia dispersa
George W. Gillett
1957-7-9
682
Shasta
about 2 mi s Big Springs (Confluence of Hat Creek and Lost Creek north of Park); Lassen Volcanic National Park
1524
Comment
UC54501
Sidalcea oregana subsp. spicata
H. M. Hall and E. B. Babcock
June, 1903
4272
Shasta
Great Spring Sierra Nevada, Hat Creek, Great Spring (Hat Creek, eastern Shasta County)
1371
Comment
CHSC13884
Clarkia gracilis subsp. gracilis
D. Joley
1968-5-5
39
Shasta
Found growing ca. 10 mi. N of Lassen Park on Hwy. 44.
Comment
CHSC85454
Gayophytum heterozygum
G. F. Hrusa; T. D. Wilfred
1996-7-22
13336
Shasta
Northeast California. Lassen National Forest. About 4-5 miles S of Old Station.
1386
Comment
SBBG5075
Gayophytum diffusum subsp. parviflorum
H. and M. Dearing
1938-6-27
2158
Shasta
Big Spring
1524
Comment
UCSB11463
Gayophytum diffusum subsp. parviflorum
Dearing, Hugh; Dearing, Margaret
1938-6-27
Shasta
Big Springs
1524
Comment
JEPS9327
Castilleja applegatei subsp. pinetorum
George W. Gillett
1953-7-9
269
Shasta
ne of Lassen Volcanic National Park (along State Highway 89, Big Springs); Lassen National Forest, Big Springs
1402
Comment Read comments Sep 21 2009
OBI77202
Castilleja arachnoidea
Anthony Baniaga
2011-7-20
513
Shasta
Lassen NF. Jctn of 32N17Y and 32N13, ca 1 mi SE of Ashpan Snowmobile Park. Manzanita Lake qud T32N R4E sec 33 NE of NE
1592
Comment
SBBG21819
Castilleja applegatei
D. Myrick
1964-7-24
942
Shasta
Hwy 89, near Big Spring between Manzanita Lake and Mt Shasta
1371
Comment
UC1036186
Castilleja applegatei subsp. pinetorum
George W. Gillett
1953-7-9
269
Shasta
ne of Lassen Volcanic National Park (along State Highway 89, Big Springs); Lassen National Forest, Big Springs
1402
Comment
UC1036305
Castilleja applegatei subsp. pinetorum
George W. Gillett
1952-8-21
211
Shasta
8 mi n Manzanita Lake Checking Station (along State Highway 89, ne of Lassen Volcanic National Park); Lassen National Forest
1402
Comment
OBI76939
Diplacus mephiticus
Anthony Baniaga
2011-7-12
449
Shasta
Lassen Natl forest. Along Lost Crk, near jctn 32N13 and 32N12. West Prospect Peak quad. T32N R5E sec 13SE of SW
1460
Comment
CDA13073
Mimulus layneae
G. F. Hrusa, T. D. Wilfred
1996-6-1
13002
Shasta
Lassen National Forest; NW side of Hwy 44 1 m. SW of USFS N12 to Twin Bridges.
Comment
JEPS18881
Mimulus layneae
George W. Gillett
1957-7-9
681
Shasta
about 2 mi s Big Springs (confluence of Hat Creek and Lost Creek, n of Lassen Volcanic National Park near its boundary); Hat Creek, Lost Creek
1524
Comment
JEPS28550
Mimulus layneae
George W. Gillett
1957-7-9
681
Shasta
about 2 mi s Big Springs (confluence of Hat Creek and Lost Creek, n of Lassen Volcanic National Park); Hat Creek, Lost Creek
1524
Comment
JEPS28558
Mimulus breweri
George W. Gillett
1957-7-9
691
Shasta
about 2 mi n Big Springs (confluence of Hat Creek and Lost Creek n of Park); Lassen Volcanic National Park
1524
Comment
JEPS3326
Mimulus layneae
George Gillett
1952-8-14
188
Shasta
5.9 mi n Manzanita Lake Checking Station (on n shoulder of Park Highway (State Highway #89)); Lassen Volcanic National Park
Comment
JEPS3327
Mimulus torreyi
George Gillett
1952-8-14
186
Shasta
6.2 mi n Manzanita Lake Checking Station (along Park Highway); Lassen Volcanic National Park
Comment
JEPS9328
Mimulus torreyi
George W. Gillett
1953-7-17
281
Shasta
ne Lassen Volcanic National Park (along State Highway 89, w side of road opposite Big Springs); Lassen National Forest
1402
Comment
JEPS9329
Mimulus torreyi
George W. Gillett
1953-7-9
265
Shasta
ne Lassen Volcanic National Park (along State Highway 89, between park boundary and subway Cave 4.6 mi w Big Springs); Lassen National Forest
1584
Comment
UC1024356
Mimulus torreyi
George W. Gillett
1953-7-9
265
Shasta
4.6 mi w Big Spring (along State Hwy 89 ne of Lassen Volcanic National Park, between park boundary and Subway Cave); Lassen National Forest
1584
Comment
UC1036204
Mimulus torreyi
George W. Gillett
1953-7-17
281
Shasta
opposite Big Springs (w side of Hwy 89, ne of Lassen Volcanic National Park); Lassen National Forest
1402
Comment
CHSC8777
Callitriche hermaphroditica
S. Chulasmai
1966-4-30
15
Shasta
Hat Creek River.
Comment
CDA13059
Penstemon speciosus
G. F. Hrusa, T. D. Wilfred
1996-6-1
12987
Shasta
Lassen National Forest; NW side of Hwy 44 1 m. SW of USFS N12 to Twin Bridges.
Comment
CDA13067
Penstemon speciosus
G. F. Hrusa, T. D. Wilfred
1996-6-1
12996
Shasta
Lassen National Forest; NW side of Hwy 44 1 m. SW of USFS N12 to Twin Bridges.
Comment
CDA13515
Penstemon neotericus
G. F. Hrusa, T. D. Wilfred
1996-7-22
13341
Shasta
Lassen National Forest; Adjacent to Hwy 89, approx. 2 miles S of intersection with USFS S16.
Comment
JEPS9322
Penstemon deustus var. pedicellatus
George W. Gillett
1953-7-9
268
Shasta
along State Highway 89 ne Lassen Volcanic National Park (Big Springs); , Lassen National Forest
1402
Comment
JEPS9347
Penstemon speciosus
George W. Gillett
1957-7-9
270
Shasta
near creek below Big Spring (along State Highway 89 ne of Lassen Volcanic National Park); Lassen Volcanic National Park, Lassen National Forest
1402
Comment
NY601597
Penstemon heterodoxus var. shastensis
H. M. Hall
06 1903
4273
Shasta
"Great Spring", Hat Creek, Sierra Nevada Mountains
1371.6
Comment
UC1036147
Penstemon deustus var. pedicellatus
George W. Gillett
1953-7-9
268
Shasta
along State Highway 89 ne Lassen Volcanic National Park (Big Springs, Lassen National Forest); ne of Lassen Volcanic National Park, Lassen National For
1402
Comment
UC1036191
Penstemon speciosus
George W. Gillett
1953-7-9
270
Shasta
along State Highway 89 ne Lassen Volcanic National Park (near creek below Big Spring, Lassen National Forest); ne of Lassen Volcanic National Park, Lassen National For
1402
Comment
UC54617
Penstemon heterodoxus var. shastensis
H. M. Hall and E. B. Babcock
June, 1903
4273
Shasta
Great Spring Sierra Nevada Mountains, Hat Creek (north-eastern Shasta County)
1371
Comment
JEPS28555
Veronica serpyllifolia subsp. humifusa
George W. Gillett
1957-7-9
687
Shasta
about 2 mi s of Big Springs (Confluence of Hat Creek and Lost Creek n of Lassen Volcanic National Park); Lassen Volcanic National Park
1524
Comment
UC1036274
Veronica americana
George W. Gillett
1952-7-22
96
Shasta
Hat Creek near Old Station, along State Hwy 89, ne of Lassen Volcanic National Park Hat Creek; Lassen National Forest, Hat Creek
1371
Comment
CDA13481
Achnatherum nelsonii subsp. dorei
G. F. Hrusa, T. D. Wilfred
1996-7-22
13327
Shasta
Lassen National Forest; Perennial bunchgrass, occasional within cutover forest along USFS S16 on ridge to W of Bunchgrass Valley. Apparently uncommon in this area.
Comment
CDA13524
Achnatherum occidentale subsp. californicum
G. F. Hrusa, T. D. Wilfred
1996-7-22
13350
Shasta
Lassen National Forest; Along Hwy 89, approx. 2 m. N. of intersection with USFS S16. Bunching perennial. Dry volcanic dust at edge of Arctostaphylos patula chaparral in partial shade. Uncommon here.
Comment
UCD54021
Achnatherum occidentale subsp. californicum
G. F. Hrusa; T. D. Wilfred
1996-7-22
13350
Shasta
Along Hwy 89, approx. 2 m. N. of intersection with USFS S16.
472
Comment
UCD54022
Achnatherum nelsonii subsp. dorei
G. F. Hrusa; T. D. Wilfred
1996-7-22
13327
Shasta
Along USFS S16 on ridge to W of Bunchgrass Valley.
2000
Comment
CAS-BOT-BC139291
Agrostis idahoensis
George Wilson Gillett
1957-7-9
688
Shasta
Lassen Volcanic National Park. Confluence of Hat Creek and Lost Creek north of Park. About 2 miles south of Big Springs.
1524
Comment
CDA1698
Agrostis gigantea
A. A. Beetle
1941-6-3
2845
Shasta
Lassen National Forest, 10 miles northeast of Manzanita Lake, along Hat Creek
Comment
JEPS28265
Agrostis idahoensis
George W. Gillett
1957-7-9
688
Shasta
about 2 mi s Box Springs (confluence of Hat Creek and Lost Creek n of Lassen Volcanic National Park)
1524
Comment
SEINET3222771
Agrostis scabra
George K. Helmkamp
1985-8-20
885 -15
Mono
Meadow and edge of stream along the Owens River at Big Springs Campground, 7 air miles NE of Mammoth Lakes, above Arcularius Ranch.
2190
Comment Read comments Oct 23 2014
UC790921
Agrostis alba
A. A. Beetle
1941-6-30
2845
Shasta
10 mi ne Manzanita Lake (lava rock along creek); Lassen Nat'l Forest, Hat Creek
Comment
UCD53617
Agrostis stolonifera
A. A. Beetle
1941-6-30
2845
Shasta
lassen National Forest, 10 miles northeast of Manzanita Lake, lava rock along Hat Creek.
Comment
UCR133543
Agrostis stolonifera
A. A. Beetle
1941-6-30
2845
Shasta
Lassen National Forest, 10 mi NE of Manzanita Lake, along Hat Creek
1433
Comment
UC167220
Alopecurus aequalis
H. M. Hall and E. B. Babcock
June, 1903
4275
Shasta
Hat Creek Sierra Nevada Mts., n.e. Shasta Co., Hat Creek
1371
Comment
SEINET190970
Elymus glaucus subsp. glaucus
A. A. Beetle
1941-6-30
2844
Shasta
Lassen National Forest ; Along Hat Creek 10 mi NE of Manzanita Lake
0
Comment
CDA13072
Festuca occidentalis
G. F. Hrusa, T. D. Wilfred
1996-6-1
13001
Shasta
Lassen National Forest; NW side of Hwy 44 1 m. SW of USFS N12 to Twin Bridges. Flats at edge of Jeffrey pine forest at base of large volcanic lava flow. Bunching perennial, common.
Comment
UCD66136
Festuca occidentalis
G. F. Hrusa; T. D. Wilfred
1996-6-10
13001
Shasta
Lassen National Forest. NW side of Hwy 44, 1 m. SW of USFS N12 to Twin Bridges.
1550
Comment
UCD66137
Festuca occidentalis
G. F. Hrusa; T. D. Wilfred
1996-6-10
13001
Shasta
Lassen National Forest. NW side of HWY 44, 1 m. SW of USFS N12 to Twin Bridges.
1550
Comment
CAS-BOT-BC280773
Holcus lanatus
A. A. Beetle
1941-6-30
2843
Shasta
Lassen Nat'l. Forest, 10 miles northeast of Manzanita Lake, lava rock along Hat Creek
609
Comment
CAS-BOT-BC280774
Holcus lanatus
A. A. Beetle
1941-6-30
2843
Shasta
Lassen Nat'l. Forest, 10 miles northeast of Manzanita Lake, lava rock along Hat Creek
609
Comment
UC790923
Holcus lanatus
A. A. Beetle
1941-6-30
2843
Shasta
10 mi ne Manzanita Lake (along Hat Creek, Lassen Nat'l Forest); Lassen Nat'l Forest, ne of Manzanita Lake, Hat Creek
609
Comment
CAS-BOT-BC255923
Poa nervosa
A. A. Beetle
1941-6-30
2848
Shasta
Banks of Hat Creek, Lassen Nat'l Forest
1219
Comment
CAS-BOT-BC255924
Poa nervosa
A. A. Beetle
1941-6-30
2848
Shasta
Banks of Hat Creek, Lassen Nat'l Forest
1219
Comment
JEPS28552
Collomia tinctoria
George W. Gillett
1957-7-9
683
Shasta
confluence of Hat Creek and Lost Creek n Park (about 2 mi s of Big Springs); Lassen Volcanic National Park
1524
Comment
SBBG21889
Collomia linearis
D. Myrick
1964-7-24
941
Shasta
Hwy 89, ca 10 mi N of Manzanita Lake
1524
Comment
OBI77558
Ipomopsis aggregata subsp. formosissima
Anthony Baniaga
2011-7-13
450
Shasta
Lassen Natl forest. Along Hat Crk, near Big Spring. Old Station quad. T32N R4E, sec 12 NE of NE
1352
Comment
RSA0020048
Ipomopsis aggregata subsp. formosissima
Anthony Baniaga
2011-7-13
450
Shasta
Lassen National Forest. Along Hat Creek, near Big Spring.
1352
Comment
CDA13065
Linanthus pungens
G. F. Hrusa, T. D. Wilfred
1996-6-1
12994
Shasta
Lassen National Forest; NW side of Hwy 44 1 m. SW of USFS N12 to Twin Bridges.
Comment
CHSC85462
Linanthus pungens
G. F. Hrusa; T. D. Wilfred
1996-6-10
12994
Shasta
Northern California. Lassen National Forest. NW side of Hwy 44 1 m. SW of USFS N12 to Twin Bridges.
1550
Comment
UCD118698
Linanthus pungens
G. F. Hrusa; T. D. Wilfred
1996-6-10
12994
Shasta
Lassen National Forest. NW side of Hwy 44 , 1 mile SW of USFS N12 to Twin Bridges.
1550
Comment
JEPS28541
Navarretia intertexta subsp. propinqua
George W. Gillett
1957-7-8
668
Shasta
0.25 mi s Burney Highway (5.8 mi ne of Manzanite Lake Entrance Station); Lassen Volcanic National Park, Lost Creek
1584
Comment
JEPS28543
Navarretia divaricata
George W. Gillett
1957-7-8
671
Shasta
0.25 mi s Burney Highway (5.8 mi ne of Manzanita Lake Entrance Station); Lassen Volcanic National Park, Lost Creek
1584
Comment
JEPS28548
Phlox gracilis
George W. Gillett
1957-7-8
677
Shasta
5.8 mi ne Manzanita Lake Entrance Station (0.25 mi s of Burney Highway); Lassen Volcanic National Park, Lost Creek
1584
Comment
JEPS28554
Phlox gracilis
George W. Gillett
1957-7-9
685
Shasta
about 2 mi s Big Springs (confluence of Hat Creek and Lost Creek, n of Lassen Volcanic National Park); Lassen Volcanic National Park, Hat Creek, Lost Creek
1524
Comment
JEPS28560
Eriogonum vimineum
George W. Gillett
1957-7-9
694
Shasta
about 2 mi s Big Springs (confluence of Hat Creek and Lost Creek north of Park); Lassen Volcanic National Park, Hat Creek, Lost Creek
1524
Comment
SBBG21284
Eriogonum vimineum
D. Myrick
1964-7-24
937
Shasta
Hwy 89, ca 10 mi N of Manzanita Lake
1524
Comment
SBBG21286
Eriogonum nudum var. nudum
D. Myrick
1964-7-24
935
Shasta
Hwy 89, ca 10 mi N of Manzanita Lake
1524
Comment
UC1036324
Eriogonum vimineum
George W. Gillett
1952-8-14
187
Shasta
5.9 mi n Manzanita Lake Checking Station (along State Highway 89 ne of Lassen Volcanic National Park); Lassen National Forest
1584
Comment
CDA37308
Ranunculus aquatilis
B. Villegas
2008-7-11
s.n.
Shasta
Hat Creek, southwest of Old Station, between McElroy Road & Sugar Loaf Lane, along California Scenic Highway 89/44.
0
Comment
CDA37309
Ranunculus aquatilis
B. Villegas
2008-7-11
s.n.
Shasta
Hat Creek, southwest of Old Station, between McElroy Road & Sugar Loaf Lane, along California Scenic Highway 89/44.
0
Comment
CHSC114932
Ranunculus aquatilis
B. Villegas
2008-7-11
Shasta
Hat Creek, southwest of Old Station, between McElroy Road and Sugar Loaf Lane, along California Scenic Highway 89/44.
Comment
UC1024372
Ranunculus occidentalis
George W. Gillett
1952-7-22
94
Shasta
near Old Station (along State Hwy 89 ne of Lassen Volcanic National Park, on stream bank); Lassen National Forest, Hat Creek
1371
Comment
UC1024373
Ranunculus aquatilis var. capillaceus
George W. Gillett
1952-7-22
97
Shasta
near Big Spring (along State Hwy 89 ne of Lassen Volcanic National Park); Lassen National Forest, Hat Creek
1402
Comment
CDA13071
Ceanothus velutinus var. velutinus
G. F. Hrusa, T. D. Wilfred
1996-6-1
13000
Shasta
Lassen National Forest; NW side of Hwy 44 1 m. SW of USFS N12 to Twin Bridges.
Comment
UCD112770
Ceanothus velutinus
G. F. Hrusa; T. D. Wilfred
1996-6-10
13000
Shasta
Lassen National Forest. NW side of Hwy 44 1 m. SW of USFS N12 to Twin Bridges.
1550
Comment
CDA13506
Chamaebatiaria millefolium
G. F. Hrusa, T. D. Wilfred
1996-7-22
13331
Shasta
Lassen National Forest; Along Hwy 89 about 2 miles N. of intersection with USFS S16.
Comment
CHSC85726
Chamaebatiaria millefolium
G. F. Hrusa; T. D. Wilfred
1996-7-22
13331
Shasta
Lassen National Forest. Along Hwy 89. About 2 miles N. of intersection with USFS S16.
1550
Comment
OBI55509
Chamaebatiaria millefolium
David J. Keil, Kathleen Keil
1992-7-25
23588
Shasta
Lassen Natl Forest along hwy 89. 6.5 mi N of Lassen Natl Park boundary
Comment
SBBG21849
Chamaebatiaria millefolium
D. Myrick
1964-7-24
933
Shasta
Hwy 89 ca. 10 mi N of Manzanita Lake
1524
Comment
UC1036275
Chamaebatiaria millefolium
George W. Gillett
1952-7-22
98
Shasta
10 mi n of Manzanita Lake Checking Station (along State Hwy 89 ne of Lassen Volcanic National Park); Lassen National Forest
1463
Comment
SBBG21847
Holodiscus discolor var. glabrescens
D. Myrick
1964-7-24
936
Shasta
Hwy 89 ca. 10 mi N of Manzanita Lake
1524
Comment
JEPS28547
Horkelia tridentata
George W. Gillett
1957-7-8
676
Shasta
1/4 mi s of Burney Highway (5.8 mi ne of Manzanita Lake Entrance Station.); Lassen Volcanin National Park, Lost Creek
1584
Comment
UC1036306
Potentilla millefolia
George W. Gillett
1952-8-21
212
Shasta
along State Highway 89 ne of Lassen Volcanic National Park 6.5 mi n Manzanita Lake Checking Station; ne of Lassen Volcanic National Park, Lassen Natl Forest
1463
Comment
CHSC61113
Prunus virginiana var. demissa
Vernon H. Oswald
1993-7-12
5678
Shasta
Intersection of Hwy. 44/89 and Twin Bridges Rd. (32N12), N of Lassen Volcanic Park between Manzanita Lake and Old Station. Along this section of highway.
1490
Comment
CDA13061
Purshia tridentata var. tridentata
G. F. Hrusa, T. D. Wilfred
1996-6-1
12989
Shasta
Lassen National Forest; NW side of Hwy 44, 1 m. SW of USFS N12 to Twin Bridges. S
Comment
UCD113270
Purshia tridentata var. tridentata
G. F. Hrusa; T. D. Wilfred
1996-6-10
12989
Shasta
Lassen National Forest. NW side of Highway 44, 1 mile SW of USFS N12 to Twin Bridges.
1550
Comment
JEPS28556
Galium trifidum
George W. Gillett
1957-7-9
689
Shasta
confluence of Hat Creek and Lost Creek n Park (about 2 mi s of Big Springs); Lassen Volcanic National Park
1524
Comment
UC1036276
Kelloggia galioides
George W. Gillett
1952-7-22
99
Shasta
6 mi n Manzanita Lake check station (along State Highway 89, ne of Lassen Volcanic National Park); Lassen National Forest
1005
Comment
UCD139050
Maianthemum racemosum
G. F. Hrusa; T. D. Wilfred
1996-6-10
12997
Shasta
Lassen National Forest. NW side of Hwy 44 1 m. SW of USFS N12 to Twin Bridges.
1550
Comment
CDA13068
Smilacina racemosa
G. F. Hrusa, T. D. Wilfred
1996-6-1
12997
Shasta
Lassen National Forest; NW side of Hwy 44 1 m. SW of USFS N12 to Twin Bridges.
Comment
CHSC85469
Salix boothii
G. F. Hrusa
1996-5-2
12860
Shasta
Lassen National Forest. Banks of Hat Creek approx. 1/2 mile S of Old Station Trailer Park, on Hwy 44-89 along Hwy 44-89. Latitude: 40 degrees 40' N. Longitude: 121 degrees 27' W.
1450
Comment
CHSC85470
Salix lemmonii
G. F. Hrusa
1996-5-2
12858
Shasta
Lassen National Forest. Banks of Hat Creek approx. 1/2 mile S of Old Station Trailer Park, on Hwy 44-89. Latitude: 40 degrees 40' N. Longitude: 121 degrees 27' W.
1450
Comment
CDA13508
Arceuthobium campylopodum
G. F. Hrusa, T. D. Wilfred
1996-7-22
13333
Shasta
Lassen National Forest; Host growing on volcanic basalt in vicinity of Manzanita Lake.
Comment
SEINET3246927
Arceuthobium campylopodum
R. L. Mathiasen
2011-1
1157
Unknown
Jct. of St. Routes 89 and 299. Burnney Jct.
1630
Comment
CHSC85464
Cystopteris fragilis
G. F. Hrusa
1996-5-2
12867
Shasta
Lassen National Forest. Cliffs, approx. 1/2 mile S of Old Station Trailer Park. Along Hwy 44-89. Latitude: 40 degrees 40' N. Longitude: 121 degrees 27' W.
1460
Comment