Click on column header to sort data (* sorts by family); click in leftmost checkbox to select record. CCH Help Page .
Turn on yellow flags to show possible range discrepancies.
Read more ...
?
Specimen ID
Determination *
Collector
Collection Date
Collection Number
County
Locality
Elevation in meters
Feedback
CAS-BOT-BC78037
Abies concolor
Herman Knoche
1919-6-14
Series A, No. 846
Los Angeles
Mt. Lowe
1828
Comment
GH366109
Acacia baileyana
L. C. Wheeler
1969-3-16
Unknown
San Gabriel Mountains: Millard Canyon T2N R12W SE1/4 sec. 32
Comment
RSA639733
Acacia baileyana
L. C. Wheeler
1969-3-16
s.n.
Los Angeles
San Gabriel Mountains: Millard Canyon
426
Comment
CDA3987
Acacia dealbata
L. C. Wheeler
1969-3-16
s.n.
Los Angeles
San Gabriel Mtns.: Middle Fork W Ravine, remote from road but near water supply tunnel.
Comment
UCR100768
Acacia dealbata
L. C. Wheeler
1969-2-15
s.n.
Los Angeles
San Gabriel Mtns., Canyon Crest Drive, Millard Canyon
404
Comment
UCR111671
Acacia dealbata
L. C. Wheeler
1969-3-16
s.n.
Los Angeles
San Gabriel Mtns., Middle Fork West Ravine, remote from road but near water supply tunnel
549
Comment
RSA600706
Acacia mearnsii
L. C. Wheeler
1969-2-15
s.n.
Los Angeles
San Gabriel Mountains. Canyon Crest Drive, Millard Canyon.
403
Comment
RSA632005
Acacia mearnsii
L. C. Wheeler
1969-3-16
s.n.
Los Angeles
San Gabriel Mountains: Middle fork west ravine, remote from road but near water supply tunnel
548
Comment
A363601
Acer macrophyllum
J. G. Jack
1907-7-12
Unknown
Pasadena, Millards Canon
Comment
CAS-BOT-BC331526
Acer macrophyllum
Fordyce Grinnell, Jr.
1916-9-2
s.n.
Los Angeles
San Gabriel Mt. near Pasadena
Comment
CAS-BOT-BC331560
Acer macrophyllum
Joseph Andorfer Ewan
1932-7-4
7582
Los Angeles
Millards Canyon above the falls, San Gabriel Mts.
Comment
CAS-BOT-BC331562
Acer macrophyllum
J. H. Thomas
1957-5-11
6755
Los Angeles
San Gabriel Mountains about 3 miles N of La Canada near Angeles Crest Hwy.
762
Comment
CAS-BOT-BC331564
Acer macrophyllum
Jun Hu; Weena Sangkatavat
2000-4-22
01
Los Angeles
Transverse Ranges, San Gabriel Mts., Millard Canyon, 2 mi N of Altadena. First trail on the right immediately before Millard Campground
548
Comment
HSC12514
Acer macrophyllum
Wendell Wood
1970-6-17
9
Los Angeles
Chevy Chase and Linda Vista Rd., Glendale
366
Comment
HSC2803
Acer macrophyllum
C. E. Fellows
1965-8-22
119
Los Angeles
1.1 mi. N of Angeles Crest fire station on Angeles Crest Hwy.
762
Comment
JEPS42646
Acer macrophyllum
C. E. Hutchinson
1892-8-10
Los Angeles
Altadena
243
Comment
POM183629
Acer macrophyllum
Joseph A. Ewan
1929-5-18
1254
Los Angeles
Las Flores Canyon
Comment
POM184685
Acer macrophyllum
Joseph A. Ewan
1932-6-17
7361
Los Angeles
San Gabriel Mountains. Upper Arroyo Seco. Upper Sonoran zone. Fine trees along stream with sycamores.
1098
Comment
RSA329739
Acer macrophyllum
Gary D. Wallace
1966-3-25
217
Los Angeles
Millard Canyon north of Pasadena
915
Comment
RSA394172
Acer macrophyllum
L. E. Hoffman
1932-3-14
s.n.
Los Angeles
Millard's Canyon, Angeles National Forest [San Gabriel Mountains].
Comment
RSA394178
Acer macrophyllum
Robert Gustafson
1977-4-5
402
Los Angeles
Angeles Crest Hwy, about 5 miles from the junction with Foothill Blvd.
Comment
RSA394185
Acer macrophyllum
L. E. Hoffman
1933-3-23
17108
Los Angeles
Millard's Canyon, San Gabriel Mts.
Comment
RSA623971
Acer macrophyllum
Raymond J. Dobbs
1927-3-25
798
Los Angeles
Switzer's, San Gabriel Mts.
Comment
RSA650008
Acer macrophyllum
G. Foster
1961-1
s.n.
Los Angeles
Angeles Crest Highway, 200 yds from Rd. 1 mile north of ranger station.
Comment
RSA650009
Acer macrophyllum
Peter Gail
1961-5-27
s.n.
Los Angeles
North side of canyon approx. 50 ft. off Angeles Crest Hwy, 3 miles N of Ranger Station.
Comment
RSA700382
Acer macrophyllum
Tim Thibault
2003-9-21
56
Los Angeles
west side of Highway 2, 1.1 miles north of entry to Angeles National Forest
735
Comment
SD41292
Acer macrophyllum
Edith A. Purer
1931-3-7
1525
Los Angeles
Oakwilde [campground]
Comment Read comments Jul 10 2010
SEINET4068103
Acer macrophyllum
R. Gustafson
1977-1
402
Los Angeles
Off Angeles Crest Highway, about 5 miles from the junction with Foothill Blvd., San Gabriel Mountains.
Comment
UCR104747
Acer macrophyllum
David Charlton
1989-4-30
2975
Los Angeles
San Gabriel Mtns., George's Gap, Angeles Crest Highway, approximately 10 miles north of the southern boundary of the Angeles National Forest, c. 1 mi. (airline) NW of Switzer Camp.
1159
Comment
UCR132296
Acer macrophyllum
John F. Green
2003-7-17
s.n.
Los Angeles
San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect one
381
Comment
UCR172704
Acer macrophyllum
Jun Hu, Weena Sangkatavat
2000-4-22
01
Los Angeles
Transverse Ranges; San Gabriel Mtns., Millard Canyon, 2 mi N of Altadena. First trail on the right immediately before Millard Campground
549
Comment
UCR4151
Acer macrophyllum
R. H. Sauer
1965-4-13
s.n.
Los Angeles
San Gabriel Mtns, Pasadena, Arroyo Seco Canyon, along road c. 2.5 miles into the canyon
426
Comment
RSA606909
Acer palmatum
Louis C. Wheeler
1973-6-20
s.n.
Los Angeles
Altadena.
Comment
UCR132940
Acer saccharinum
Michael D. Wilcox
2003-8-30
s.n.
Los Angeles
San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Prop. Laboratory
381
Comment
CDA28088
Achnatherum coronatum
T. C. Fuller, T. Suzuki
1958-5-9
s.n.
Los Angeles
Millard Canyon, Cheney Trail above Altadena.
0
Comment
POM353048
Achnatherum coronatum
L. E. Hoffman
1934-5-13
s.n.
Los Angeles
Millard's Canyon, Angeles National Forest. [San Gabriel Mountains.]
Comment
POM353051
Achnatherum coronatum
L. E. Hoffman
1934-5-13
s.n.
Los Angeles
Millard's Canyon, Angeles National Forest. [San Gabriel Mountains.]
Comment
SEINET4692060
Achnatherum coronatum
T. R. Van Devender
1984-1
84 -118
Los Angeles
In Switzer picnic area; San Gabriel Mountains, Angeles National Forest
Comment
UC677605
Achnatherum coronatum
A. A. Beetle
1942-4-18
3086
Los Angeles
Angles Crest Blvd., Rt. 2 San Gabriel Mts.
914
Comment
UCD50274
Achnatherum coronatum
Joseph Andorfer Ewan
1932-7-4
7591
Los Angeles
Upper Millards Canyon. San Gabriel Mts. Los Angeles County. Upper Sonoran Zone.
1188
Comment
UCD50312
Achnatherum coronatum
A. A. Beetle
1942-4-18
3086
Los Angeles
Los Angeles Crest Blvd. Rocky slopes of San Gabriels Mts.
914
Comment
RSA601562
Achnatherum diegoense
L. C. Wheeler
1967-6-16
9843
Los Angeles
San Gabriel Mountains : Sunset Ridge by Millard Canyon; north side NE of Coulter Reservoir.
640
Comment
POM365957
Achnatherum hymenoides
H. M. Ritter
1931-4-15
38 -131
Los Angeles
Alta Dena
Comment
CAS-BOT-BC213407
Acmispon argophyllus var. argophyllus
Geo. B. Grant
1901-5-23
s.n.
Los Angeles
Mt. Lowe
Comment
CHSC36033
Acmispon heermannii
R. Vandenburgh
1972-6-28
15
Los Angeles
1/2 mi. W. of Mt. Wilson in San Gabriel Mts/ on Los Angeles Crest Hwy.
Comment
A345399
Adenostoma fasciculatum
J. G. Jack
1907-7-13
Unknown
Pasadena, Las Casetas Canon
Comment
CAS-BOT-BC133185
Adenostoma fasciculatum
W. R. Dudley
1899-7-22
s.n.
Los Angeles
Mt. Lowe, San Gabriel Mts.
Comment
CDA25689
Adenostoma fasciculatum
T. C. Fuller, T. Suzuki
1958-5-9
s.n.
Los Angeles
Millard Canyon, Cheney Trail above Altadena.
0
Comment
HSC12512
Adenostoma fasciculatum
Wendell Wood
1970-6-17
7
Los Angeles
Linda Vista Rd. and Chevy Chase, Glendale
366
Comment
RSA390572
Adenostoma fasciculatum
Howard Mullins
1931-4-19
s.n.
Los Angeles
Hillside chaparral, Flintridge
Comment
SFV16228
Adenostoma fasciculatum
P. A. Krueger
1994-5-18
52
Los Angeles
San Gabriel Mountains 0.2 miles south on Chaney Trail from Millard Campground.
550
Comment
UC72959
Adenostoma fasciculatum
unknown
May 1902
Los Angeles
foothills near Los Angeles and Pasadena
Comment
UC72960
Adenostoma fasciculatum
Miss E. D. Palmer
1904-11-12
Los Angeles
vicinity Los Angeles (Rubio Canyon); Rubio Canyon
Comment
UCR103759
Adenostoma fasciculatum
David Charlton
1989-4-30
3000
Los Angeles
San Gabriel Mtns., George's Gap, Angeles Crest Highway c. 2.5 mi. (airline) north of the southern boundary of the Angeles National Forest, c. 1.25 mi. west of Lower Switzer Campground
1311
Comment
RSA390484
Adenostoma fasciculatum var. fasciculatum
L. E. Hoffman
1926-3-18
s.n.
Los Angeles
Arroyo Seco Canyon
Comment
RSA390487
Adenostoma fasciculatum var. fasciculatum
L. E. Hoffman
1931-11-9
s.n.
Los Angeles
San Gabriel Mountains: Millards Canyon, Angeles National Forest.
Comment
RSA390562
Adenostoma fasciculatum var. fasciculatum
Fordyce Griffiths Jr.
1910-06
s.n.
Los Angeles
Long Canyon, San Gabriel Mountains.
Comment
RSA390567
Adenostoma fasciculatum var. fasciculatum
Fordyce Griffiths Jr.
1910-06
s.n.
Los Angeles
Long Canyon, San Gabriel Mountains.
Comment
RSA250344
Adenostoma sparsifolium
Robert F. Thorne, Larry E. DeBuhr
1972-8-18
42233
Los Angeles
Near top of steep roadbank where Angeles Crest Hwy crosses head of Canyon c. 2 miles W of Clear Creek Sta. at jct with Angeles Forest Hwy
915
Comment
SD90407
Adenostoma sparsifolium
Robert F. Thorne, Larry DeBuhr
1972-8-18
42233
Los Angeles
San Gabriel Mts., Angeles National Forest: neartop of steep roadbank where Angeles Crest Hwy crosses head of canyon c. 2 miles W of Clear Creek Sta. at jct with Angeles Forest Hwy
914
Comment
CAS-BOT-BC65569
Adiantum capillus-veneris
Parish
1904-6-17
6292
Los Angeles
Arroyo Seco Canyon
Comment
UC185222
Adiantum capillus-veneris
Geo. B. Grant
1904-6-17
24
Los Angeles
Arroyo Seco Canyon
Comment
RSA142664
Aesculus californica
Wesley O. Griesel
1961-5-20
s.n.
Los Angeles
Millard Canyon
610
Comment
RSA607514
Aesculus californica
Louis C. Wheeler
1973-6-20
s.n.
Los Angeles
San Gabriel Mountains: Chaney Trail, south side Sunset Ridge, by Millard Canyon.
Comment
SD230241
Aesculus californica
Louis C. Wheeler
1973-6-20
Los Angeles
San Gabriel Mountains: Chaney Trail, south side Sunset Ridge, by Millard Canyon.
Comment
SFV16227
Aesculus californica
P. A. Krueger
1994-5-18
50
Los Angeles
San Gabriel Mountains 0.1 miles north on Mount Lowe Truck Trail from Chaney Trail.
700
Comment
UCR102382
Aesculus californica
L. C. Wheeler
1973-6-20
s.n.
Los Angeles
San Gabriel Mtns, Chaney Trail, south side Sunset Ridge, by Millard Canyon
555
Comment
UCR261561
Aesculus californica
Richard Minnich
2015-5-28
s.n.
Los Angeles
San Gabriel Mountains, Altadena, at base of mountains along Cheney Trail just below a ridge dividing a south-facing slope descending to Altadena from a north-facing slope of Millard Canyon
610
Comment
RSA747739
Ageratina adenophora
Scott D. White, J. Wood, C. Huntley, J. Miner
2009-5-12
12692
Los Angeles
San Gabriel Mountains: Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road.
549
Comment
RSA765312
Ageratina adenophora
Doris Bowers
1957-3-24
936
Los Angeles
Millard's Canyon N/o Altadena
1220
Comment
UCR109685
Ageratina adenophora
R. D. Goeden, Don W. Ricker
1968-4-11
s.n.
Los Angeles
San Gabriel Mtns., Millard Canyon Campground, Altadena
610
Comment
UCR136836
Ageratina adenophora
John F. Green
2003-6-24
s.n.
Los Angeles
Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory
381
Comment
UCR207542
Ageratina adenophora
O. F. Clarke
2004-4-27
s.n.
Los Angeles
San Gabriel Mtns., Arroyo Seco near Pasadena
Comment
UCR213790
Ageratina adenophora
Scott D. White, Justin M. Wood, Chris Huntley, Jamie Miner
2009-5-12
12692
Los Angeles
San Gabriel Mountains, Millard Canyon, north of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lower Fire Road
707
Comment
CAS-BOT-BC14787
Agoseris retrorsa
Wesley O. Griesel
1962-5-1
s.n.
Los Angeles
Switzers Inlet, Upper Arroyo Seco, San Gabriel Mountains
914
Comment
RSA607826
Agrostis exarata
L. C. Wheeler
1947-6-8
6515
Los Angeles
San Gabriel Mountains: Millard Canyon.
Comment
CAS-BOT-BC139056
Agrostis pallens
Geo. B. Grant
1904-6-17
s.n.
Los Angeles
Arroyo Seco Canyon.
Comment
UCR2550
Agrostis pallens
F. M. Reed
1925-5-18
5135
Los Angeles
La Canyada [La Canada]
396
Comment
UCR136835
Agrostis viridis
John F. Green
2003-6-24
s.n.
Los Angeles
Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory
381
Comment
RSA608330
Alisma triviale
L. C. Wheeler
1951-8-20
6836
Los Angeles
Pasadena: Devils Gate Dam.
Comment
UCR101246
Alisma triviale
L. C. Wheeler
1951-8-20
6836
Los Angeles
Pasadena: Devils Gate Dam
305
Comment
JEPS520
Allium monticola
F. W. Peirson
1918-6-10
1
Los Angeles
divide between Lowe and Markham
1630
Comment Read comments Oct 16 2006
POM83381
Allium monticola
Geo L. Moxley
1925-5-28
1130
Los Angeles
Granite rock slides between Mt. Lowe and Mt. Markham
Comment
RSA595180
Allium monticola
L. C. Wheeler
1970-5-24
s.n.
Los Angeles
San Gabriel Mountains: Saddle between Mt. Markham and Mt. Lowe.
1615
Comment
RSA679920
Allium monticola
LeRoy Gross, Bill Hogshead, Orlando Mistretta, Valerie Soza
2003-5-23
929
Los Angeles
Southwest ridge that climbs to Mt. Markham (between Mt. Markham and the Mt. Lowe dirt road (2N50.1).
1631
Comment
RSA70172
Allium monticola
F. W. Peirson
1920-6-10
1
Los Angeles
San Gabriel Mountains, trail along west slope of Mt. Markham
1646
Comment
UCR95749
Allium monticola
L. C. Wheeler
1970-5-24
s.n.
Los Angeles
San Gabriel Mtns., Saddle between Mt. Markham and Mt. Lowe.
1616
Comment
CHSC35460
Allophyllum divaricatum
James Henrickson
1973-5-12
9570 a
Los Angeles
5.4 (rd) miles N of La Canada along Angeles Crest Hwy (2), in roadside.
853
Comment
RSA410053
Allophyllum divaricatum
Albert J. Perkins
1920-5-29
s.n.
Los Angeles
Arroyo Seco.
Comment
RSA682116
Allophyllum divaricatum
Valerie L. Soza, Bill Hogshead, Amber Maurice
2003-5-17
s.n.
Los Angeles
Mount Lowe Road (2N50). From junction with Mount Wilson Road southwest to the junction with Chantry Flats Trail (2N65) above Altadena; (Mt. Wilson).
915
Comment Read comments Jul 21 2016
RSA802350
Allophyllum divaricatum
Orlando Mistretta, Cher Batchelor
2011-7-27
5985
Los Angeles
Arroyo Seco Cyn drainage. Angeles Crest Hwy, near mile market no. 31.
975
Comment
LA210334
Allophyllum glutinosum
S. B. Parish;
May 1926
Los Angeles
Pasadena, Arroyo Seco
Comment
CAS-BOT-BC170972
Alnus rhombifolia
Lewis S. Rose
1935-12-26
34503
Los Angeles
Arroyo Seco, Altadena
Comment
CAS-BOT-BC170977
Alnus rhombifolia
Fordyce Grinnell
1903-12-22
29
Los Angeles
Arroyo Seco Canon [canyon], near Pasadena
Comment
CAS-BOT-BC170978
Alnus rhombifolia
Fordyce Grinnell, Jr.
1916-9-2
s.n.
Los Angeles
near Pasadena, San Gabriel Mts.
Comment
CAS-BOT-BC170981
Alnus rhombifolia
Geo. B. Grant
1901-6-1
36
Los Angeles
Pasadena Cal. South Central part of California
1524
Comment
CAS-BOT-BC171433
Alnus rhombifolia
George B. Grant
1901-1-1
36
Unknown
Arroyo Seco Canyon. So. Cal.
152
Comment Read comments Mar 24 2019
CAS-BOT-BC171445
Alnus rhombifolia
W. R. Dudley
1899-7-22
s.n.
Los Angeles
Alpine Tavern, Mt. Lowe
Comment
JEPS58604
Alnus rhombifolia
C. E. Hutchinson
1892-8-10
Los Angeles
in small canyon near Altadena
243
Comment
RSA329732
Alnus rhombifolia
Gary D. Wallace
1966-3-25
214
Los Angeles
San Gabriel Mountains: Millard Canyon 5 miles north of Pasadena
915
Comment
RSA452779
Alnus rhombifolia
Geo C. Johnstone
1927-10-30
15739
Los Angeles
Arroyo Seco Canyon above Switzer's
Comment
RSA452785
Alnus rhombifolia
Anstruther Davidson
1891-06
s.n.
Los Angeles
Millards Canyon
Comment
RSA603197
Alnus rhombifolia
L. C. Wheeler
1972-12-21
12792
Los Angeles
San Gabriel Mountains: Millard Canyon, ca. 200 yards upstream from Southern California Edison Co. high tension line.
526
Comment
SD41258
Alnus rhombifolia
Edith A. Purer
1931-3-7
1526
Los Angeles
Oakwilde
Comment Read comments Jul 10 2010
UC56683
Alnus rhombifolia
Ernest Braunton
1903-1-10
788
Los Angeles
Arroyo Seco
Comment
UCR104745
Alnus rhombifolia
David Charlton
1989-4-30
2999
Los Angeles
San Gabriel Mtns., George's Gap, Angeles Crest Highway, approximately 10 miles north of the southern boundary of the Angeles National Forest, c. 1 mi. (airline) NW of Switzer Camp.
1159
Comment
UCR208346
Alnus rhombifolia
O. F. Clarke
2004-7-11
s.n.
Los Angeles
San Gabriel Mtns., Arroyo Seco near Pasadena
Comment
RSA0110813
Amaranthus albus
R. G. Swinney
2011-10-18
15821
Los Angeles
San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy.
1021
Comment
UCR273222
Amaranthus albus
R. G. Swinney
2011-10-18
15821
Los Angeles
San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy
1037
Comment Read comments Aug 24 2017
RSA0106485
Ambrosia acanthicarpa
R. G. Swinney
2011-10-18
15822
Los Angeles
San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy.
1021
Comment
UCR273225
Ambrosia acanthicarpa
R. G. Swinney
2011-10-18
15822
Los Angeles
San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy
1037
Comment Read comments Aug 24 2017
UCSB27676
Ambrosia acanthicarpa
Lavinger, S.
1975-10-6
Los Angeles
On Los Angeles Crest Highway, 0.3 miles north of Angeles Crest Ranger Station; San Gabriel Mountains
762
Comment
RSA607674
Ammannia robusta
Louis C. Wheeler
1951-8-20
6834
Los Angeles
Pasadena: Devils Gate Dam.
Comment
OBI13395
Amorpha californica
Wesley O. Griesel
1962-5-24
s.n.
Los Angeles
San Rafael HIlls, Glendale
305
Comment
SEINET895797
Amorpha californica
George B. Grant
1901-1
39
Unknown
Pasedena. Southern California
Comment Read comments Jan 5 2015
CAS-BOT-BC180650
Amorpha californica var. californica
Wesley O. Griesel
1962-5-24
s.n.
Los Angeles
San Rafael Hills, Glendale
304
Comment
RSA80007
Amsinckia eastwoodiae
F. W. Peirson
1919-3-26
333
Los Angeles
vacant lot on south side of New York Drive, east of Hill Ave., Altadena.
Comment
SEINET3293460
Amsinckia menziesii
G. B. Grant
40 A
Unknown
Pasadena, Pasadena, Southern CA.
Comment Read comments Jan 11 2015
RSA465138
Anagallis arvensis
L. E. Hoffman
1929-6-8
s.n.
Los Angeles
Arroyo Seco, Angeles National Forest
Comment
UCR95315
Anagallis arvensis
L. C. Wheeler
1967-5-7
9284
Los Angeles
San Gabriel Mtns, vicinity of Coulter Reservoir, Sunset Ridge, south of Millard Canyon, north side of Sunset Ridge, northeast of reservoir
625
Comment
CAS-BOT-BC137847
Andropogon glomeratus var. glomeratus
John Thomas Howell
1928-2-18
3346
Los Angeles
San Gabriel Mountains. On trail to Switer'z. Arroyo Seco.
Comment
RSA600681
Andropogon glomeratus var. scabriglumis
L. C. Wheeler
1967-12-10
s.n.
Los Angeles
San Gabriel Mountains: Fern Canyon, off Arroyo Seco at Brown Mountain Road.
701
Comment
RSA644563
Andropogon glomeratus var. scabriglumis
L. C. Wheeler
1956-11
7271
Los Angeles
San Gabriel Mountains: Upper Arroyo Seco near Ladybug Canyon, on north side Angeles Crest Highway.
Comment
RSA86715
Andropogon glomeratus var. scabriglumis
F. W. Peirson
1926-3-20
6517
Los Angeles
Arroyo Seco, near Altadena. Alt. 2500 ft.
762
Comment
SD181779
Andropogon glomeratus var. scabriglumis
Louis C. Wheeler
Nov 1956
7271
Los Angeles
San Gabriel Mountains, upper Arroyo Seco near Ladybug Canyon, on north side [of] Angeles Crest Highway, on seasonal seep, the rock declivity was cut by the highway builders.
Comment
SD230130
Andropogon glomeratus var. scabriglumis
Louis C. Wheeler
1972-4-9
Los Angeles
San Gabriel Mountains: Arroyo Seco, Angeles Crest Highway ca. 1/4 mile ESE Colby Canyon. South-facing, moist crevices in cliff, full sun.
1096
Comment
UC2026509
Andropogon glomeratus var. scabriglumis
Louis C. Wheeler
1972-4-9
s. n.
Los Angeles
SAN GABRIEL MOUNTAINS: Arroyo Seco, Angeles Crest High way ca. 1/4 miles ESE Colby Canyon.
Comment
UCR142741
Andropogon glomeratus var. scabriglumis
L. C. Wheeler
1972-4-9
s.n.
Los Angeles
San Gabriel Mtns., San Gabriel Mountains: Arroyo Seco, Angeles Crest Highway c. 0.25 mile ESE Colby Canyon
1098
Comment
UCR146871
Andropogon glomeratus var. scabriglumis
L. C. Wheeler
1956-1
7271
Los Angeles
Transverse Ranges; San Gabriel Mountains region, San Gabriel Mountains: Upper Arroyo Seco near Ladybug Canyon, on north side Angeles Crest Highway
Comment
UCR231793
Anemopsis californica
Darren T. Hasegawa
2007-6-1
s.n.
Los Angeles
San Gabriel Mtns, Pasadena, c. 1 mile north of Rose Bowl
305
Comment
UCR132937
Anthemis cotula
Michael D. Wilcox
2003-8-30
s.n.
Los Angeles
San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Prop. Laboratory
381
Comment
UCR136837
Anthemis cotula
John F. Green
2003-6-24
s.n.
Los Angeles
Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory
381
Comment
UCR231789
Anthemis cotula
Darren T. Hasegawa
2007-6-1
s.n.
Los Angeles
San Gabriel Mtns., Pasadena, Devils Gate Reservoir, c. 0.5 mi. east of 210 Fwy
320
Comment
RSA747735
Anthriscus caucalis
Scott D. White, J. Wood, J. Miner
2009-5-12
12697
Los Angeles
Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road.
549
Comment
UCR213788
Anthriscus caucalis
Scott D. White, Justin M. Wood, Jamie Miner
2009-5-12
12697
Los Angeles
San Gabriel Mountains, Millard Canyon, north of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lower Fire Road
707
Comment
UCSB33679
Antirrhinum coulterianum
Miller, Brian
1960-7-14
Los Angeles
Switzer's Inlet; San Gabriel Mountains
914
Comment
JEPS5280
Antirrhinum kelloggii
F. W. Peirson
1918-6-4
189
Los Angeles
just ne Altadena (foothills e of Rubio Canyon); Angeles National Forest
609
Comment
JEPS83291
Antirrhinum multiflorum
David M. Thompson
1983-8-1
382
Los Angeles
vicinity Red Box Gap and Red Box Gap Ranger Station (about 0.1 mi w on Hwy 2 (Angeles Crest Hwy) from its junction with road to Mt. Wilson Observatory, Chilao Flat Quad. (7.5', 1959)); Angeles National Forest, San Gabriel Mts.
1432
Comment
POM354862
Antirrhinum multiflorum
G. R. Johnstone
1930-9-14
s.n.
Los Angeles
Edison Rd. above Dark Canyon Calif. San Gabriel Mts.
762
Comment
POM354870
Antirrhinum multiflorum
Geo. L. Moxley
1915-7-4
s.n.
Los Angeles
Arroyo Seco Canyon, San Gabriel Mountains.
Comment
RSA653046
Antirrhinum multiflorum
A. C. Sanders, D. Malueg
1998-6-24
22056
Los Angeles
San Gabriel Mtns.: CCC Ridge, off Hwy 2 just N of Pasadena city limit, So. Cal. Edison Mesa-Vincent transmission line at tower 16-2
823
Comment
RSA80433
Antirrhinum multiflorum
F. W. Peirson
1951-1
190
Los Angeles
Summit of Mt. Lowe
Comment
RSA80434
Antirrhinum multiflorum
F. W. Peirson
1924-5-26
4643
Los Angeles
Trail to Switzers Camp, San Gabriel Mts
930
Comment
SBBG83200
Antirrhinum multiflorum
M. N. Ackley
1927-6-5
1014
Los Angeles
trail to Switzerland
Comment
UCR114185
Antirrhinum multiflorum
A. C. Sanders, D. Malueg
1998-6-24
22056
Los Angeles
San Gabriel Mtns., CCC Ridge, off Hwy 2 just north of Pasadena city limits, So. Cal. Edison Mesa-Vincent transmission line at tower 16-2
823
Comment
POM366912
Aquilegia formosa
Anstruther Davidson
1893-6-12
1923
Los Angeles
Switzer's Trail.
Comment
UCR124968
Aquilegia formosa
Geo. L. Moxley
1915-7-4
360
Los Angeles
San Gabriel Mtns., Arroyo Seco Canyon
1000
Comment
RSA0128853
Arabis sparsiflora
Wayne Law, Jun Hu
2000-4-30
08
Los Angeles
Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground.
518
Comment
UCR172774
Arabis sparsiflora
Wayne Law, Jun Hu
2000-4-30
08
Los Angeles
Transverse Ranges; San Gabriel Mtns., Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground.
823
Comment
RSA277203
Arbutus unedo
J. L. Huber
1969-6-16
1045
Los Angeles
Residential, abandoned planting, Altadena.
Comment
CAS-BOT-BC23588
Arctostaphylos crustacea
June Giddings
no date on label
s.n.
Los Angeles
Mount Lowe, Pasadena High School
Comment
CHSC3737
Arctostaphylos glandulosa
Sue Boerqadine
1966-5-26
Los Angeles
Switzer's Camp.
762
Comment
GH350295
Arctostaphylos glandulosa
J. F. Collins
1929-5-1
Unknown
Mt. Lowe
Comment
RSA626710
Arctostaphylos glandulosa
Raymond J. Dobbs
1924-4-30
934
Los Angeles
1/2 mile below Switzers.
Comment
CAS-BOT-BC23201
Arctostaphylos glandulosa subsp. glandulosa
W. R. Dudley
1899-7-22
s.n.
Los Angeles
Mt. Lowe, San Gabriel Mts.
365
Comment
CAS-BOT-BC23202
Arctostaphylos glandulosa subsp. glandulosa
Vernon O. Bailey
1907-9-25
1287
Los Angeles
Mt. Lowe, San Gabriel Mts.
Comment
CAS-BOT-BC23240
Arctostaphylos glandulosa subsp. glandulosa
G. B. Grant
1901-5-23
s.n.
Los Angeles
Mt. Lowe
Comment
JEPS38673
Arctostaphylos glandulosa subsp. glandulosa
F. W. Peirson
1918-5-19
142
Los Angeles
2 mi n Altadena; San Gabriel Mts., Echo Mountain
1036
Comment
UCD56653
Arctostaphylos glandulosa subsp. glaucomollis
Louis C. Wheeler
1967-6-16
9859
Los Angeles
San Gabriel Mountains. North side of Sunset Ridge under power line.
595
Comment
CAS-BOT-BC23061
Arctostaphylos glandulosa subsp. mollis
Mrs. Joseph Clemens
1922-5-30
s.n.
Los Angeles
Mt. Love
Comment
CAS-BOT-BC23062
Arctostaphylos glandulosa subsp. mollis
Mrs. Joseph Clemens
1922-5-30
s.n.
Los Angeles
Mt. Love
Comment
CAS-BOT-BC23068
Arctostaphylos glandulosa subsp. mollis
Walter Knight; Irja Knight
1986-11-26
6308
Los Angeles
San Gabriel Mountains: 1.3 miles below Clear Creek Campground (en route to la Canada Flintridge)
Comment
CAS-BOT-BC24693
Arctostaphylos glandulosa subsp. mollis
John Thomas Howell
1928-2-18
3347
Los Angeles
On trail to Switzer's, Arroyo Seco, San Gabriel Mts.
Comment
POM367283
Arctostaphylos glandulosa subsp. mollis
Ella M. Kennedy
1923-3-12
s.n.
Los Angeles
Arroyo Seco
Comment
RSA182015
Arctostaphylos glandulosa subsp. mollis
F. W. Peirson
1918-5-19
142
Los Angeles
Echo Mountain;, 2 mi. n of Altadena
1037
Comment
RSA601621
Arctostaphylos glandulosa subsp. mollis
L. C. Wheeler
1967-6-16
9859
Los Angeles
San Gabriel Mountains: North side of Sunset Ridge under power line.
595
Comment
RSA706430
Arctostaphylos glandulosa subsp. mollis
Tim Thibault, K. E. Olshewsky
2004-5-22
278
Los Angeles
fire road off Hwy. 2
910
Comment
RSA70850
Arctostaphylos glandulosa subsp. mollis
F. W. Peirson
1920-5-9
142
Los Angeles
east trail to Mt. Lowe
1341
Comment
RSA70854
Arctostaphylos glandulosa subsp. mollis
F. W. Peirson
1922-5-30
4724
Los Angeles
West spur of Mt. Lowe.
1280
Comment
UC421663
Arctostaphylos glandulosa subsp. mollis
John Thomas Howell
1928-2-18
3347
Los Angeles
Arroyo Seco San Gabriel Mountains
Comment
UCSB4723
Arctostaphylos glandulosa subsp. mollis
Sage, Paul
1958-2-21
Los Angeles
On ridge 0.2 mi. below reservoir above Millard Canyon, 100 yards NW of Chainy Trail, Altadena
762
Comment
UCSB4773
Arctostaphylos glandulosa subsp. mollis
Decker, Helen
1946-4-14
Los Angeles
Arroyo Seco Canyon near Switzer's Camp
1036
Comment
UCSB4775
Arctostaphylos glandulosa subsp. mollis
Decker, Helen
1946-4-14
Los Angeles
South slope of Arroyo Seco Canyon Switzer's Camp, Arroyo Seco Canyon, San Gabriel Mountains
1036
Comment
CAS-BOT-BC39331
Arctostaphylos glauca
Fordyce Grinnell
1903-12-22
32
Los Angeles
Arroyo Seco Canyon, near Pasadena
Comment
CAS-BOT-BC39332
Arctostaphylos glauca
Fordyce Grinnell
1903-12-22
37
Los Angeles
Arroyo Seco Canyon, near Pasadena
Comment
GH350349
Arctostaphylos glauca
Mrs. T. C. Pease
1910-5-10
Unknown
Mt. Lowe
Comment
JEPS38733
Arctostaphylos glauca
F. W. Peirson
1919-1-29
315
Los Angeles
trail San Gabriel Mts., Mt. Lowe
1341
Comment
JEPS49532
Arctostaphylos glauca
Joseph Andorfer Ewan
1932-7-4
7588
Los Angeles
Upper Millards Canyon San Gabriel Mts.
1097
Comment
RSA367290
Arctostaphylos glauca
Elbert Benjamine
1929-2-10
8454
Los Angeles
Arroyo Seco, above Pasadena
914
Comment
RSA367299
Arctostaphylos glauca
L. E. Hoffman
1931-9-25
s.n.
Los Angeles
San Gabriel Mountains, Angeles National Forest: Dark Canyon.
Comment
RSA367377
Arctostaphylos glauca
Fordyce Grinnell Jr.
1910-6-20
2821
Los Angeles
Long Canyon
1067
Comment
RSA631695
Arctostaphylos glauca
Raymond J. Dobbs
1927-2-3
938
Los Angeles
Switzers.
945
Comment
RSA631697
Arctostaphylos glauca
Raymond J. Dobbs
1924-4-30
937
Los Angeles
1/2 mile below Switzers.
Comment
RSA651552
Arctostaphylos glauca
Claude T. Powers
1949-01
s.n.
Los Angeles
In original spot but now an ornamental. 5050 Angeles Crest. La Canada.
512
Comment
RSA706404
Arctostaphylos glauca
Tim Thibault, K. E. Olshewsky
2004-5-22
277
Los Angeles
fire road off Hwy. 2
910
Comment
RSA70872
Arctostaphylos glauca
F. W. Peirson
1919-1-29
315
Los Angeles
Inspiration Point, Mt. Lowe
1372
Comment
RSA70873
Arctostaphylos glauca
Mabel Peirson
1925-2-14
5433
Los Angeles
Arroyo Seco, not far above the stadium, Pasadena
Comment
SJSU3880
Arctostaphylos glauca
C. W. Sharsmith
1964-1-1
7178
Los Angeles
W fork San Gabriel R (near head), San Gabriel Mts
1219
Comment
UC456161
Arctostaphylos glauca
I. J. Condit
1907-1-3
Los Angeles
Mt. Lowe Pasadena
Comment
UC56685
Arctostaphylos glauca
Ernest Braunton
1903-1-10
790
Los Angeles
Arroyo Seco
Comment
UCR104746
Arctostaphylos glauca
David Charlton
1989-4-30
2977
Los Angeles
San Gabriel Mtns., George's Gap, Angeles Crest Highway, approximately 10 miles north of the southern boundary of the Angeles National Forest, c. 1 mi. (airline) NW of Switzer Camp.
1159
Comment
UCSB4736
Arctostaphylos glauca
Wilson, Richard
1958-5-10
Los Angeles
6 miles N of Foothill Blvd. on Angeles Crest Highway, San Gabriel Highway
914
Comment
POM50326
Arctostaphylos glauca var. glauca
Fordyce Grinnell Jr.
1903-12-22
32
Los Angeles
Arroyo Seco Canyon
Comment
HSC12675
Arctostaphylos mewukka
Wendell Wood
1970-6-24
51
Los Angeles
Switzer's Camp, Angeles Crest Hwy., 9 mi. beyond intersection with Foothill Blvd.
915
Comment
CAS-BOT-BC44356
Arctostaphylos pringlei subsp. drupacea
George B. Grant
1901-1-1
10651
Los Angeles
Pasadena, Mt. Loma
Comment
A362353
Arctostaphylos tomentosa
J. G. Jack
1907-7-15
Unknown
Mt. Lowe
Comment
GH362395
Arctostaphylos viscida
J. F. Collins
1918-4-16
Unknown
above Alpine Tavern, Mt. Lowe
Comment
RSA434285
Argemone corymbosa
K. C. Zakar
1969-07
s.n.
Los Angeles
Switzer's Camp, Angeles Crest Hwy, ca. 10 miles north of La Canada, San Gabriel Mtns.
1524
Comment
CHSC3665
Argemone munita
Mary Mae Arthur
1966-6-4
48
Los Angeles
San Gabriel Mts.- past Wilson turnoff on Angeles Crest Hy. Sandy turn out of road.
1219
Comment
LA9333
Aristida divaricata
F. M. Reed;
1905-4-2
3623
Los Angeles
Altadena
Comment
SEINET3127927
Aristida divaricata
G. B. Grant
1905-4-2
66 -6459
Los Angeles
Altadena
Comment
UCR2169
Aristida purpurea var. parishii
George B. Grant
1905-4-2
66- 6459
Los Angeles
San Gabriel Mtns. Foothills, Altadena
732
Comment
CAS-BOT-BC146298
Aristida ternipes var. gentilis
George B. Grant
1905-4-2
66 -6459
Los Angeles
Altadena.
Comment
CAS-BOT-BC146299
Aristida ternipes var. gentilis
George B. Grant
1904-3-1
66
Los Angeles
Altadena.
Comment
CAS-BOT-BC146300
Aristida ternipes var. gentilis
G. B. Grant
1901-3-9
941
Los Angeles
Altadena.
Comment
CAS-BOT-BC146302
Aristida ternipes var. gentilis
Geo. B. Grant
1905-4-2
66 -6459
Los Angeles
Altadena.
Comment
RSA385027
Aristida ternipes var. gentilis
George B. Grant
1905-4-2
s.n.
Los Angeles
Altadena
Comment
RSA86724
Aristida ternipes var. hamulosa
F. W. Peirson
1919-11-17
1590
Los Angeles
in dense tufts, trail to Mt. Lowe, west of Eaton Canyon
609
Comment
UC167155
Aristida ternipes var. hamulosa
Geo. B. Grant
1905-4-2
66 -6459
Los Angeles
Altadena
Comment
RSA565757
Artemisia biennis
Mike Hammitt, Jason Rick
1991-6-25
s.n.
Los Angeles
Arroyo Seco Canyon; ca. half-way between the debris dam and Oakwilde Picnic Area along Gabrielino Trail
548
Comment
POM305684
Artemisia californica
Henry J. Ramsey, Henry J. Ramsey
1937-8-29
982
Los Angeles
Altadena.
396
Comment
RSA656870
Artemisia californica
Joseph M. Keefe
2001-1-24
31010
Los Angeles
Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena.
250
Comment
CAS-BOT-BC90341
Artemisia douglasiana
Wesley O. Griesel
1961-9-2
s.n.
Los Angeles
Switzers Camp, San Gabriel Mts.
762
Comment
RSA0103475
Artemisia douglasiana
R. G. Swinney
2011-10-18
15810
Los Angeles
San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy
1021
Comment
UCR132943
Artemisia douglasiana
Michael D. Wilcox
2003-8-30
s.n.
Los Angeles
San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Prop. Laboratory
381
Comment
UCR273263
Artemisia douglasiana
R. G. Swinney
2011-10-18
15810
Los Angeles
San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy
1037
Comment Read comments Aug 24 2017
CAS-BOT-BC93829
Artemisia dracunculus
Fordyce Grinnell
1903-12-22
30
Los Angeles
Arroyo Seco Canyon [Canon] near Pasadena
Comment
CAS-BOT-BC93831
Artemisia dracunculus
Geo. B. Grant
1898-1-3
s.n.
Los Angeles
Altadena
Comment
CAS-BOT-BC93868
Artemisia dracunculus
F. Grinnell Jr.
1917-6-30
s.n.
Los Angeles
Altadena
457
Comment
RSA0106497
Artemisia dracunculus
R. G. Swinney
2011-10-18
15833
Los Angeles
San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy.
1021
Comment
UCR273217
Artemisia dracunculus
R. G. Swinney
2011-10-18
15833
Los Angeles
San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy
1037
Comment Read comments Aug 24 2017
RSA599735
Arundo donax
L. C. Wheeler
1967-12-5
s.n.
Los Angeles
San Gabriel Mountains: West Ravine, near La Vina.
Comment
RSA599736
Arundo donax
L. C. Wheeler
1967-11-24
s.n.
Los Angeles
San Gabriel Mountains: Millard Canyon at Canyon Crest Road.
412
Comment
JEPS49874
Asclepias eriocarpa
F. W. Peirson
1918-6-28
148
Los Angeles
e of Rubio Canyon; San Gabriel Mts.
609
Comment
CAS-BOT-BC68854
Aspidotis californica
Ethel, Miss Graves
1900-3-1
s.n.
Los Angeles
Millards Canyon
Comment
JEPS340
Asplenium vespertinum
A. J. McClatchie
Mar. 1894
Los Angeles
Pasadena, Millard's Canyon
Comment
UC42282
Asplenium vespertinum
A. J. McClatchie
March 1894
Los Angeles
near Pasadena; Millard's Canyon
Comment
GH386735
Aster greatae
F. Grinnell, Jr.
1908-10-8
Unknown
Switzer Camp, San Gabriel Mts.
914
Comment
GH386736
Aster greatae
F. Grinnell, Jr.
1908-10-8
Unknown
Switzer Camp, San Gabriel Mts.
914
Comment
GH386737
Aster greatae
L. E. Hoffman
1931-9-25
Unknown
Dark Canyon, San Gabriel Mts.
Comment
POM21166
Aster greatae
Fordyce Grinnell Jr.
1917-9-23
s.n.
Los Angeles
Negro Canyon near Pasadena; San Gabriel Mts.
Comment
POM324421
Aster greatae
Peter H. Raven, W. O. Griesel
1961-10-13
16842
Los Angeles
Upper Arroyo Seco, above Switzer's Camp
762
Comment
RSA144635
Aster greatae
Wesley O. Griesel
1961-9-2
s.n.
Los Angeles
Switzers Camp, Upper Arroyo Seco
762
Comment
RSA144636
Aster greatae
Wesley O. Griesel
1961-9-2
s.n.
Los Angeles
Switzers Camp, Upper Arroyo Seco
762
Comment
RSA417668
Aster greatae
L. E. Hoffman
1931-9-25
s.n.
Los Angeles
San Gabriel Mountains, Angeles National Forest: Dark Canyon.
Comment
RSA417670
Aster greatae
Geo L. Moxley
1914-9-6
274
Los Angeles
Little Bear Canyon; San Gabriel Mts.
Comment
RSA417671
Aster greatae
Fordyce Grinnell Jr.
1915-9-4
3119
Los Angeles
Above Arroyo Seco-West Fork Divide.
Comment
RSA565750
Aster greatae
Mike Hammitt, Jason Rick
1991-6-25
s.n.
Los Angeles
mouth of Pine Canyon at its confluence with Arroyo Seco Canyon
Comment
UCR142533
Aster greatae
P. H. Raven, Wesley O. Griesel
1970-10-13
16842
Los Angeles
San Gabriel Mtns., Upper Arroyo Seco, about 200 yards above Switzers Camp
762
Comment
RSA415703
Astragalus trichopodus var. phoxus
L. E. Hoffman
1926-3-18
s.n.
Los Angeles
Arroyo Seco, Los Angeles
Comment
SBBG70417
Athysanus pusillus
M. N. Ackley
1928-2-12
124
Los Angeles
Eaton Wash
365
Comment
RSA86728
Avena barbata
F. W. Peirson
1918-04
1600
Los Angeles
Altadena.
Comment
RSA86729
Avena fatua
F. W. Peirson
1918-04
1599
Los Angeles
At 1085 New York Drive, Altadena
Comment
RSA599732
Baccharis pilularis
L. C. Wheeler
1967-12-10
s.n.
Los Angeles
San Gabriel Mountains: Pine Canyon, off Arroyo Seco
694
Comment
RSA601711
Baccharis pilularis
L. C. Wheeler
1967-10-23
s.n.
Los Angeles
San Gabriel Mountains: Angeles Crest Highway at Twin Canyon (7 1/2'' topo map Pasadena: Slide Canyon on bridge)
808
Comment
GH386807
Baccharis pilularis subsp. consanguinea
L. C. Wheeler
1967-12-10
Unknown
San Gabriel Mountains: Pine Canyon, off Arroyo Seco. T2N R32W NW1/4 sec. 29, just below Brown Mountain Road
693
Comment
CHSC25950
Baccharis salicifolia
James Henrickson
1972-3-17
7179
Los Angeles
5 road miles along Angeles Crest Hwy 5, NE of La Canada in San Gabriel Mts.
822
Comment
HSC24843
Baccharis salicifolia
James Henrickson
1972-3-17
7179
Los Angeles
5 road miles along Angeles Crest Hwy. 5, NE of La Canada in San Gabriel Mtns.
823
Comment
LA203018
Baccharis salicifolia
M. Zaitlin;
1951-3-17
Los Angeles
San Gabriel Mountains, Angeles Crest Highway S side
761
Comment
POM306259
Baccharis salicifolia
Henry J. Ramsey, Henry J. Ramsey
1938-1-2
1419
Los Angeles
North Craig Ave., Altadena.
Comment
POM350351
Baccharis salicifolia
H. Wells
1968-3-17
11
Los Angeles
4 Miles north-northeast junction of State Hwy. 118 and State Hwy 2
762
Comment
POM350359
Baccharis salicifolia
Howard Mullins
1931-3-7
s.n.
Los Angeles
one mile above Switzer's landing
Comment
RSA329723
Baccharis salicifolia
Gary D. Wallace
1966-3-25
226
Los Angeles
San Gabriel Mountains: Millard Canyon 5 miles north of Pasadena
915
Comment
SEINET774602
Baccharis salicifolia
T. Reeves, S. Jordan
1975-5-18
R- 2646
Los Angeles
San Gabriel Mts., 0.9mi NE of La Canada on Hwy 2
Comment
UCR4154
Baccharis salicifolia
R. H. Sauer
1965-4-13
s.n.
Los Angeles
San Gabriel Mtns, Pasadena, Arroyo Seco Canyon, along road c. 2.5 miles into the canyon
426
Comment
UCSB12932
Baccharis salicifolia
Suter, Richard
1961-3-30
Los Angeles
On west bank of Devil's Gate Dam reservoir, 0.5 miles north of Devil's Gate Dam north of Pasadena
274
Comment
UCSB6384
Baccharis salicifolia
Kamb, Peter
1848-1-10
Los Angeles
Upper Sonoran Zone, Millard's Canyon, San Gabriel Mts.
670
Comment Read comments Jan 29 2017
JEPS21269
Baccharis salicifolia subsp. salicifolia
Frank W. Peirson
1918-10-15
283
Los Angeles
foot of trail, Rubio Canyon, San Gabriel Mountains Echo Mtn.; San Gabriel Mountains, Rubio Canyon
548
Comment
JEPS21270
Baccharis salicifolia subsp. salicifolia
F. W. Peirson
1919-3-29
353
Los Angeles
San Gabriel Mountains, Rubio Canon
548
Comment
JEPS40679
Baccharis salicifolia subsp. salicifolia
Elizabeth Day Palmer
1908-8-15
Los Angeles
Arroyo Seco
Comment
UC1118900
Baccharis salicifolia subsp. salicifolia
F. H. Raymond
1930-3-3
55
Los Angeles
San Rafael Mountains Pasadena Quadrangle, San Rafael Mountains
243
Comment
UC166762
Baccharis salicifolia subsp. salicifolia
Geo. B. Grant
1904-5-5
97
Los Angeles
Arroyo Seco Canyon San Gabriel Mts., Arroyo Seco Canyon
609
Comment
CAS-BOT-BC400047
Berberis
Joseph Andorfer Ewan
1932-7-4
7590
Los Angeles
Millards [Millard] Canyon, San Gabriel Mts.
1158
Comment
CAS-BOT-BC75758
Berberis nevinii
Margaret Stason; John Thomas Howell
1927-3-22
s.n.
Los Angeles
Pasadena. At the Devil's Gate in the Arroyo Seco.
Comment
JEPS52981
Berberis nevinii
Frank W. Peirson
1920-3-28
646
Los Angeles
1/2 way from food of mts to Devil's Gate Arroyo Seco; San Gabriel Mts
335
Comment
PASA1272
Berberis nevinii
Frank W. Peirson
1920-3-28
Los Angeles
Arroyo Seco
335
Comment
RSA311436
Berberis nevinii
Kerry Knudsen
1976-11-22
s.n.
Los Angeles
Near corner of Arroyo Blvd. and Washington, Pasadena
Comment
RSA435910
Berberis nevinii
F. W. Peirson
1921-3-3
s.n.
Los Angeles
Near stream, Arroyo Seco
335
Comment
RSA435911
Berberis nevinii
Luellapearl Hammer
1929-04
s.n.
Los Angeles
Sandy slope, Arroyo Seco
Comment
RSA85318
Berberis nevinii
F. W. Peirson
1920-3-28
646
Los Angeles
About halfway between Devil's Gate and the mountains, Arroyo Seco, west of Altadena
335
Comment
CAS-BOT-BC75812
Berberis pinnata
Fordyce Grinnell
1904-7-4
18
Los Angeles
Switzers Trail Arroyo Seco Canon [Canyon], Sierra Madre Mountains.
Comment
CAS-BOT-BC75813
Berberis pinnata
F. Grinnell Jr.
1908-10-8
s.n.
Los Angeles
Switzer Camp. San Gabriel Mountains.
914
Comment
CAS-BOT-BC75814
Berberis pinnata
F. Grinnell Jr.
1910-6-11
s.n.
Los Angeles
Switzers Trail. San Gabriel Mountains.
1066
Comment
CAS-BOT-BC75816
Berberis pinnata
Fordyce Grinnell
1916-3-18
s.n.
Los Angeles
Switzers Camp. San Gabriel Mountains.
Comment
SBBG60901
Bidens pilosa
M. N. Ackley
1928-2-12
229
Los Angeles
Eaton Wash
365
Comment
UCR132312
Bidens pilosa
John F. Green
2003-7-17
s.n.
Los Angeles
San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect one
381
Comment
UCR136841
Bidens pilosa
John F. Green
2003-6-24
s.n.
Los Angeles
Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory
381
Comment
CDA3997
Bituminaria bituminosa
T. C. Fuller
1963-4-25
10298
Los Angeles
San Gabriel Mountains: Brown Mountain, 0.5 mile northwest above Millard Canyon campground at end of pavement.
0
Comment
CDA4001
Bituminaria bituminosa
T. C. Fuller
1963-4-25
10298
Los Angeles
San Gabriel Mountains: Brown Mountain, 0.5 mile northwest above Millard Canyon campground at end of pavement.
0
Comment
CDA4003
Bituminaria bituminosa
P. A. Munz
1962-5-29
24319
Los Angeles
San Gabriel Mountains: Millard Canyon.
Comment
HSC24305
Bituminaria bituminosa
Wesley O. Griesel
1962-5-28
620
Los Angeles
Fire Road W of Lower Millard Canyon. San Gabriel Mts.
61
Comment
OBI2624
Bituminaria bituminosa
Wesley O. Griesel
1962-5-28
620
Los Angeles
Fire rd W of lower Millard Cyn; San Gabriel Mts
610
Comment
RSA155806
Bituminaria bituminosa
P. A. Munz
1962-5-29
24319
Los Angeles
lower Millard Canyon near fire road
610
Comment
RSA155807
Bituminaria bituminosa
P. A. Munz
1962-5-29
24319
Los Angeles
lower Millard Canyon near fire road
610
Comment
RSA157742
Bituminaria bituminosa
Wesley O. Griesel
1961-4-11
s.n.
Los Angeles
Millard Canyon
610
Comment
RSA247403
Bituminaria bituminosa
Wesley O. Griesel
1962-5-28
620
Los Angeles
lower Millard Canyon near fire road
610
Comment
RSA678138
Bituminaria bituminosa
Valerie L. Soza, Monica Acosta, Tasha La Doux, Michael Wall
2001-6-28
1308
Los Angeles
Upper Forest Service Road 2N66, between Fern Canyon and Pine Canyon.
Comment
SD80978
Bituminaria bituminosa
Wesley O. Griesel
1962-5-28
620
Los Angeles
Fire road west of lower Millard Canyon, San Gabriel Mountains.
609
Comment
UCD105591
Bituminaria bituminosa
P. A. Munz
1962-5-29
24319
Los Angeles
Millard Canyon, San Gabriel Mts.
609
Comment
JEPS5908
Bloomeria crocea
Frank Peirson
1918-6-28
6
Los Angeles
foothills e. of Rubio Canyon; base s. of San Gabriel Mts.
Comment
RSA601574
Bloomeria crocea
L. C. Wheeler
1967-6-16
9845
Los Angeles
San Gabriel Mountains : Sunset Ridge by Millard Canyon; north side NE of Coulter Reservoir.
640
Comment
RSA367309
Bloomeria crocea var. crocea
L. E. Hoffman
1929-6-8
s.n.
Los Angeles
Arroyo Seco Canyon
Comment
CAS-BOT-BC167118
Boechera
Wayne Law; Jun Hu
2000-4-30
08
Los Angeles
Transverse Ranges; San Gabriel Mtns.: Millard Canyon, campground 2 mi N of Altadena, up the stream immediatley after Millard campground
823
Comment
CAS-BOT-BC15865
Boechera arcuata
G. B. Grant
1906-6-10
6679
Los Angeles
Mount Lowe. Castle Canyon.
1219
Comment
CHSC95760
Boechera arcuata
LeRoy Gross; Bill Hogshead, Orlando Mistretta, Valerie Soza
2003-5-23
932
Los Angeles
Transverse Ranges; San Gabriel Mountains region: Southwest ridge that climbs to Mt. Markham (between Mt. Markham and the Mt. Lowe dirt road (2N50.1)). Near the saddle between Mt. Markham and Mt. Lowe.
1631
Comment
RSA482644
Boechera arcuata
Robert Gustafson
1973-5-17
s.n.
Los Angeles
3 mi southwest of the Mt. Wilson turnoff on Angeles Crest Highway
1585
Comment Read comments Feb 15 2016
RSA679923
Boechera arcuata
LeRoy Gross, Bill Hogshead, Orlando Mistretta, Valerie Soza
2003-5-23
932
Los Angeles
Southwest ridge that climbs to Mt. Markham (between Mt. Markham and the Mt. Lowe dirt road (2N50.1).
1631
Comment
SFV17371
Boechera arcuata
J. N. Hogue
1998-4-7
106 .1
Los Angeles
San Gabriel Mountains Arroy Seco at Switzer's Picnic Area.
976
Comment
UC111290
Boechera arcuata
O. M. Oleson
1907-3-28
Los Angeles
near Pasadena; Rubio Canyon
Comment
CAS-BOT-BC16087
Boechera californica
George B. Grant
1904-5-5
6197
Los Angeles
Arroyo Seco Canyon.
Comment
POM307358
Boechera californica
Henry J. Ramsey
1937-3-21
2181
Los Angeles
North Craig Ave., Altadena.
Comment
RSA482648
Boechera californica
Geo C. Johnstone
1925-4-10
s.n.
Los Angeles
Mount Lowe
Comment
RSA482650
Boechera californica
Frank M. Yocom
1914-5-15
s.n.
Los Angeles
Rubio Canyon.
731
Comment
SBBG16020
Boechera californica
W. G. Webb
1935-4-17
Los Angeles
Arroyo Seco
Comment
CAS-BOT-BC420338
Boykinia rotundifolia
F. Grinnell Jr.
1917-7-29
s.n.
Los Angeles
Upper Millards Canyon, San Gabriel Mountains
Comment
HSC12469
Boykinia rotundifolia
Wendell Wood
1970-6-24
45
Los Angeles
Switzer's Camp. Angeles Crest Hwy., 9 mi. beyond intersection with Foothill Blvd.
915
Comment
POM21368
Boykinia rotundifolia
Fordyce Grinnell Jr.
1917-7-29
s.n.
Los Angeles
Upper Millard's Canyon, San Gabriel Mountains.
Comment
RSA466771B
Boykinia rotundifolia
Anstruther Davidson
1893-6-12
s.n.
Los Angeles
Switzer's Trail
Comment
RSA466772
Boykinia rotundifolia
Anstruther Davidson
1891-08
s.n.
Los Angeles
Millard s Canyon.
Comment
RSA0107447
Brassica geniculata
R. G. Swinney
2011-10-18
15823
Los Angeles
San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy.
1021
Comment
UCR273226
Brassica geniculata
R. G. Swinney
2011-10-18
15823
Los Angeles
San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy
1037
Comment Read comments Aug 24 2017
UCR95748
Brassica geniculata
L. C. Wheeler
1967-3-3
9171
Los Angeles
San Gabriel Mtns., Sunset Ridge, west of Chaney Trail
Comment
RSA66080
Brassica rapa
F. W. Peirson
1919-1-26
306
Los Angeles
Hills east of Rubio Canyon
548
Comment
RSA66083
Brassica rapa
F. W. Peirson
1918-03
s.n.
Los Angeles
At Altadena.
Comment
CAS-BOT-BC100418
Brickellia californica
F. Grinnell Jr.
1908-10-8
s.n.
Los Angeles
Switzer Camp, San Gabriel Mts.
914
Comment
CAS-BOT-BC100423
Brickellia californica
Wesley O. Griesel
1961-9-23
s.n.
Los Angeles
[Switzers] Switzer Camp, San [Gavriel] Gabriel Mts.
762
Comment
CAS-BOT-BC100424
Brickellia californica
R. J. Dobbs
1924-8-30
s.n.
Los Angeles
1/4 mi. N. of Switzer Stream Trail
Comment
CAS-BOT-BC100432
Brickellia californica
Fordyce Grinnell, Jr.
1916-9-2
s.n.
Los Angeles
San Gabriel Mts. - near Pasadena
Comment
CAS-BOT-BC100433
Brickellia californica
Fordyce Grinnell
1915-9-4
s.n.
Los Angeles
Upper Arroyo Seco [Canon] Canyon - San Gabriel Mt.
Comment
GH386494
Brickellia californica
L. C. Wheeler
1952-10-11
6373
Unknown
Chevy Chase Drive, San Rafael Hills west of Pasadena
365
Comment
GH386495
Brickellia californica
L. O. Gaiser
1948-11-23
Unknown
Altadena
Comment
GH386496
Brickellia californica
L. O. Gaiser
1948-11-24
Unknown
Altadena
Comment
GH386497
Brickellia californica
L. O. Gaiser
1948-11-19
Unknown
Altadena
Comment
GH386524
Brickellia californica
J. A. Ewan
1929-9-21
3482
Unknown
Mouth of Millards Canyon, San Gabriel Mts.
457
Comment
LA203090
Brickellia californica
Harlan Lewis;
1940-12-7
sn
Los Angeles
San Gabriel Mountains, Angeles Crest Highway
1066
Comment
LA39080
Brickellia californica
Harlan Lewis;
1940-12-7
sn
Los Angeles
San Gabriel Mountains, Angeles Crest Highway
1066
Comment
POM351114
Brickellia californica
L. E. Hoffman
1931-5-11
s.n.
Los Angeles
Millard's Canyon, Angeles Nat'l Forest.
Comment
POM351119
Brickellia californica
Geo C. Johnstone
1930-9-14
s.n.
Los Angeles
Edison Rd. above Dark Canyon
Comment
RSA0106494
Brickellia californica
R. G. Swinney
2011-10-18
15830
Los Angeles
San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy.
1021
Comment
RSA609526
Brickellia californica
L. C. Wheeler
1952-10-11
6373
Los Angeles
San Rafael Hills: Chevy Chase Drive.
Comment
UCR108330
Brickellia californica
L. C. Wheeler
1952-10-11
6373
Los Angeles
San Rafael Hills, Chevy Chase Drive
Comment
UCR273284
Brickellia californica
R. G. Swinney
2011-10-18
15830
Los Angeles
San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy
1037
Comment Read comments Aug 24 2017
CAS-BOT-BC106133
Brickellia nevinii
Fordyce Grinnell
1915-11-1
s.n.
Los Angeles
Echo Mt. near Pasadena
Comment
CAS-BOT-BC106148
Brickellia nevinii
Fordyce Grinnell
1915-9-5
s.n.
Los Angeles
Echo Mts. - San Gabriel Mts.
Comment
GH404172
Brickellia nevinii
L. C. Wheeler
1952-10-11
6372
Unknown
Chevy Chase Drive, San Rafael Hills west of Pasadena
365
Comment
GH404177
Brickellia nevinii
L. C. Wheeler
1952-10-11
6374
Unknown
Chevy Chase Drive, San Rafael Hills west of Pasadena
365
Comment
JEPS22869
Brickellia nevinii
Rimo Bacigalupi with Reino Alava
1958-7-21
6444
Los Angeles
above canyon of Arroyo Seco (along Angeles Crest Highway (Calif. Hwy 2), San Gabriel Mountains); San Gabriel Mountains, Angeles Crest Highway (Calif. Hwy. 2)
944
Comment
RSA609525
Brickellia nevinii
L. C. Wheeler
1952-10-11
6372
Los Angeles
San Rafael Hills: Chevy Chase Drive.
Comment
RSA609527
Brickellia nevinii
L. C. Wheeler
1952-10-11
6374
Los Angeles
San Rafael Hills: Chevy Chase Drive.
Comment
RSA659836
Brickellia nevinii
Orlando Mistretta, Mike Hammitt
1991-6-21
s.n.
Los Angeles
Fern Canyon.
793
Comment
UCR108331
Brickellia nevinii
L. C. Wheeler
1952-10-11
6372
Los Angeles
San Rafael Hills, Chevy Chase Drive
Comment
RSA624639
Bromus arizonicus
L. C. Wheeler
1973-5-12
s.n.
Los Angeles
San Gabriel Mountains: Gould Mesa Picnic Ground.
427
Comment
UC188874
Bromus arizonicus
Geo. B. Grant
Apr. 1902
4093
Los Angeles
Altadena; Southern California, Altadena
Comment
GH361740
Bromus carinatus
L. C. Wheeler
1973-5-12
Unknown
San Gabriel Mountains: Gould Mesa Picnic Ground. T2N R12W NW1/4NE1/4 sec. 31.
426
Comment
SEINET14397471
Bromus carinatus
L. C. Wheeler
1972-4-9
Los Angeles
San Gabriel Mountains: Georges Gap on divide between Clear Creek and Arroyo Seco
1098
Comment
RSA611065
Bromus carinatus var. carinatus
L. C. Wheeler
1970-5-4
s.n.
Los Angeles
55 E. Pine Street, Altadena.
Comment
UCR108642
Bromus carinatus var. carinatus
L. C. Wheeler
1970-5-4
s.n.
Los Angeles
Altadena, 55 E. Pine Street
Comment
POM353049
Bromus diandrus
L. E. Hoffman
1934-5-13
s.n.
Los Angeles
Millard's Canyon, Angeles National Forest. [San Gabriel Mountains.]
Comment
RSA592164
Bromus diandrus
L. C. Wheeler
1967-5-7
9288
Los Angeles
San Gabriel Mountains. Vicinity of Coulter Reservoir, Sunset Ridge, south of Millard Canyon
625
Comment
RSA660214
Bromus diandrus
Yvonne Rasmussen, Deborah Rasmussen
1984-5-5
16
Los Angeles
3.8 miles from Pasadena city limits sign, on Angeles Crest Highway.
Comment
CAS-BOT-BC155580
Bromus grandis
Geo. B. Grant
1906-6-10
s.n.
Los Angeles
Mount Lowe. Pasadena.
1524
Comment
POM364033
Bromus grandis
T. M. Bonser
1891-6-30
s.n.
Los Angeles
[San Gabriel Mountains] Mt. Lowe.
Comment
RSA462417
Bromus grandis
Gary D. Wallace
1979-5-26
1849
Los Angeles
San Gabriel Mountains: along Angeles Forest Highway just west of Clear Creek Ranger Station
Comment
UCR9397
Bromus grandis
D. H. Wilken
1965-6-24
294
Los Angeles
San Gabriel Mountains, Upper Arroyo Seco near Strawberry Peak
1067
Comment
SBBG56574
Bromus hordeaceus
M. N. Ackley
--
45
Los Angeles
Altadena
365
Comment
CAS-BOT-BC162341
Bromus madritensis
John Thomas Howell
1928-2-18
3348
Los Angeles
On trail to Switzer's, Arroyo Seco, San Gabriel Mountains.
Comment
RSA601176
Bromus madritensis subsp. madritensis
L. C. Wheeler
1967-6-27
9919
Los Angeles
San Gabriel Mountains : Sunset Ridge, NE of Cogswell Reservoir.
640
Comment Read comments Feb 4 2015
CDA1837
Bromus madritensis subsp. rubens
L. C. Wheeler
1972-5-21
s.n.
Los Angeles
San Gabriel Mountains: Millard Canyon, just about at the national forest boundary. .
0
Comment
LA13824
Bromus rubens
Carl Epling;
May 1925
sn
Los Angeles
Arroyo Seco
Comment
POM363931
Bromus rubens
George R. Johnstone
1925-4-11
s.n.
Los Angeles
Mt. Lowe
Comment
RSA601631
Bromus rubens
L. C. Wheeler
1967-6-16
9852
Los Angeles
San Gabriel Mountains: North side of Sunset Ridge, south of Millard Canyon.
640
Comment
RSA604199
Bromus rubens
L. C. Wheeler
1972-5-21
s.n.
Los Angeles
San Gabriel Mountains: Millard Canyon, just inside National Forest Boundary.
Comment
RSA623782
Bromus rubens
A. Stephenson
1965-5-9
10
Los Angeles
1/4 mile along Arroyo Seco Trail past Lower Switzer Campground, Angeles National Forest, [San Gabriel Mountains].
1381
Comment
RSA623783
Bromus rubens
Raymond J. Dobbs
1927-4-19
169
Los Angeles
Switzer's, San Gabriel Mountains.
Comment
CDA1845
Bromus sterilis
L. C. Wheeler
1973-5-12
s.n.
Los Angeles
Transverse Ranges; San Gabriel Mountains region; San Gabriel Mountains: Gould Mesa Picnic Ground.
Comment
RSA625156
Bromus sterilis
L. C. Wheeler
1973-5-12
s.n.
Los Angeles
San Gabriel Mountains: Gould Mesa Picnic Ground.
427
Comment
RSA679919
Bromus tectorum
LeRoy Gross, Bill Hogshead, Orlando Mistretta, Valerie Soza
2003-5-23
928
Los Angeles
Southwest ridge that climbs to Mt. Markham (between Mt. Markham and the Mt. Lowe dirt road (2N50.1).
1631
Comment
JEPS5837
Calandrinia breweri
Frank W. Peirson
1919-3-27
357
Los Angeles
hills w Arroyo Seco; San Gabriel Mountains
426
Comment
RSA717414
Calandrinia ciliata
Gary Kovnat, LeRoy Gross
2003-1-19
2
Los Angeles
Angeles National Forest, Gold Creek Ecological Preserve, south terrace mid meadow.
Comment
CLARK-A1528-3356
Callistemon salignus
Carlos D. Jativa
1973-5-15
2753
Los Angeles
Pasadena
Comment
UCR132305
Calocedrus decurrens
John F. Green
2003-7-17
s.n.
Los Angeles
San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect two
396
Comment
CHSC26513
Calochortus albus
P. Bailey
1971-5-28
56
Los Angeles
Millard Canyon, 6 miles N of Pasadena, San Gabriel Mts.
457
Comment
PASA518
Calochortus albus
J. E. Giguette
May , '26
Los Angeles
Flintridge
Comment
RSA565756
Calochortus plummerae
Mike Hammitt, Jason Rick
1991-6-25
s.n.
Los Angeles
San Gabriel Mountains: Arroyo Seco Canyon; above the debris dam and below Oakwilde Picnic Area along the Gabrielino Trail
Comment
RSA68638
Calochortus plummerae
Frank W. Peirson
1918-6-12
8
Los Angeles
Burnt area in hills east of Rubio Canyon, San Gabriel Mountains.
Comment
JEPS52562
Calyptridium monandrum
Frank W. Peirson
1918-6-4
33
Los Angeles
Foothills e of Rubio Canyon
609
Comment
JEPS31648
Calystegia macrostegia subsp. intermedia
F. W. Peirson
1918-6-28
151
Los Angeles
foothills e Rubio Canyon (San Gabriel Mountains); , fthills e of Rubio Canyon
579
Comment
RSA394913
Calystegia macrostegia subsp. intermedia
Fordyce Grinnell Jr.
1910-04
s.n.
Los Angeles
San Rafael Hills, Pasadena
Comment
RSA71099
Calystegia macrostegia subsp. intermedia
F. W. Peirson
1920-4-22
151
Los Angeles
foothills east of Rubio Canyon
533
Comment
CHSC70114
Calystegia occidentalis subsp. fulcrata
Robert A. Schlising
1971-7-10
2994
Los Angeles
0.8 mi W of Red box Jct to Mt. Wilson, along Angeles Crest Highway (Hwy2).
Comment
POM184691
Calystegia occidentalis subsp. fulcrata
Joseph A. Ewan
1932-6-17
7351
Los Angeles
Long canyon of Arroyo Seco
1098
Comment
UC1178601
Calystegia occidentalis subsp. fulcrata
Peter Kamb
1947-6-1
556
Los Angeles
Angeles Crest Highwy 1 mi below Red Box Gap (San Gabriel Mountains); , below Red Box Gap
1341
Comment
POM305882
Camissonia bistorta
Henry J. Ramsey, Henry J. Ramsey
1937-5-16
1138
Los Angeles
Altadena, North Craig Avenue.
396
Comment
RSA465665
Camissonia bistorta
Howard Mullins
1931-4-15
s.n.
Los Angeles
Flintridge
Comment
RSA466150
Camissonia californica
L. E. Hoffman
1934-5-13
s.n.
Los Angeles
Millard's Canyon, Angeles National Forest. [San Gabriel Mountains.]
Comment
RSA466153
Camissonia californica
M. Bisbee
1917-5-24
1931
Los Angeles
San Rafael Hills, north of Eagle Rock.
Comment
UCR132345
Camissonia californica
John F. Green
2003-7-17
s.n.
Los Angeles
San Gabriel Mtns., Arroyo Seco, Pasadena, c. 1 mile north of Jet Prop. Lab., transect three
427
Comment
UCR111526
Camissonia hirtella
A. C. Sanders, D. Malueg
1998-6-22
22033
Los Angeles
San Gabriel Mtns., La Canada, SCE Gould Substation off Hwy 2, Gould Canyon
595
Comment
SBBG15852
Camissoniopsis bistorta
W. G. Webb
1935-4-17
Los Angeles
Arroyo Seco
Comment
UC54695
Camissoniopsis bistorta
L. A. Greata
May, 1903
312
Los Angeles
Arroyo Seco
Comment
JEPS89948
Camissoniopsis confusa
Dean W. Taylor
1992-5-1
12492
Los Angeles
1 mi. e. Georges Gap (on Angeles Crest Hwy.); San Gabriel Mts.
1219
Comment
UCD103464
Camissoniopsis hirtella
A. C. Sanders; D. Malueg
1998-6-22
22033
Los Angeles
San Gabriel Mountains. La Canada, SCE Gould Substation off Hwy. 2, Gould Canyon.
595
Comment
RSA66536
Capsella bursa-pastoris
F. W. Peirson
1920-4-20
2106
Los Angeles
1085 New York Drive, Altadena.
Comment
CAS-BOT-BC37456
Cardamine californica
Ernest Braunton
1903-1-10
789
Los Angeles
Arroyo Seco.
Comment
CAS-BOT-BC37466
Cardamine californica
George B. Grant
1905-5-5
6184
Los Angeles
Arroyo Seco Canyon.
Comment
CAS-BOT-BC37468
Cardamine californica
George B. Grant
1901-4-14
5724
Los Angeles
Arroyo Seco Canyon.
Comment
SD38003
Cardamine californica
Edith A. Purer
1931-3-7
1527
Los Angeles
Oakwilde [campground]
Comment Read comments Jul 10 2010
UC56684
Cardamine californica
Ernest Braunton
1903-1-10
789
Los Angeles
Arroyo Seco
Comment
JEPS53396
Cardamine californica var. integrifolia
Frank W. Peirson
1918-5-21
265 a
Los Angeles
Arroyo Seco San Gabriel Mountains, Arroyo Seco
487
Comment
UCR101169
Cardamine oligosperma
L. C. Wheeler
1957-3-31
7248
Los Angeles
San Rafael Hills, Normandy Drive, c. 100 yds north of Los Angeles County-Pasadena city line
338
Comment
UCR136842
Carduus pycnocephalus
John F. Green
2003-6-24
s.n.
Los Angeles
Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory
381
Comment
CAS-BOT-BC17656
Carex alma
George B. Grant
1904-6-17
6305
Los Angeles
Arroyo Seco Canyon.
Comment
RSA0106496
Carex alma
R. G. Swinney
2011-10-18
15832
Los Angeles
San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy.
1021
Comment
UC822622
Carex alma
Bryan
1929-7-4
Los Angeles
Switzer's Camp Arroyo Secco
975
Comment
UCR273286
Carex alma
R. G. Swinney
2011-10-18
15832
Los Angeles
San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy
1037
Comment Read comments Aug 24 2017
CAS-BOT-BC32081
Carex multicaulis
George B. Grant
1901-5-1
s.n.
Los Angeles
Mt. Lowe
Comment
POM80374
Carex multicaulis
George B. Grant
1901-05
s.n.
Los Angeles
Mt. Lowe
Comment
CAS-BOT-BC115635
Carex triquetra
George Bernard Grant
1901-8-1
139
Los Angeles
Aroyo Seco Canyon.
609
Comment
UC72398
Carex triquetra
Geo. B. Grant
Aug, 1901
139
Los Angeles
Arroyo Seco Canyon San Gabriel Mts.
609
Comment
UCR92585
Carex triquetra
F. M. Reed
1925-6-12
5242
Los Angeles
San Gabriel Mtns/San Fernando Valley region, Sierra Madre Mountains, wash near La Canada.
701
Comment
UCR114184
Castilleja
A. C. Sanders, D. Malueg
1998-6-24
22057
Los Angeles
San Gabriel Mtns., CCC Ridge, off Hwy 2 just north of Pasadena city limits, So. Cal. Edison Mesa-Vincent transmission line at tower 16-2
823
Comment
UCR175044
Castilleja applegatei
Holly Summers
2006-6-4
s.n.
Los Angeles
San Gabriel Mountains, 2 miles north of Foothill Blvd. on Angeles Crest Highway (Hwy 2), near Brown Canyon
701
Comment
JEPS13643
Castilleja applegatei subsp. martinii
Peter Kamb
1947-6-1
548
Los Angeles
n slope Mt. Disappointment; San Gabriel Mts.
1463
Comment
JEPS16670
Castilleja applegatei subsp. martinii
Rimo Bacigalupi with C. L. Custer
1954-4-4
4391
Los Angeles
directly back of Altadena (Millard's Public Camp, in Millard's Canyon, lower s reaches of San Gabriel Mountains); San Gabriel Mountains, Angeles National Forest, Millard's Ca
556
Comment
JEPS5153
Castilleja applegatei subsp. martinii
F. W. Peirson
1918-5-19
209
Los Angeles
Millards Canyon San Gabriel Mountains
853
Comment
RSA296368
Castilleja applegatei subsp. martinii
R. C. Bacigalupi, C. L. Custer
1954-4-4
4391
Los Angeles
Millard's Public Camp, Angeles National Forest, in Millard's Canyon, lower reaches of the San Gabriel Mountains, directly back of Altadena
556
Comment
RSA448671
Castilleja applegatei subsp. martinii
Geo. C. Johnstone
1925-4-10
s.n.
Los Angeles
Mount Lowe
Comment
RSA81469
Castilleja applegatei subsp. martinii
F. W. Peirson
1918-5-19
209
Los Angeles
Millard's Canyon, south base of San Gabriel Mts.
Comment
JEPS10622
Castilleja exserta subsp. exserta
Frank W. Peirson
1919-3-27
334
Los Angeles
w of Arroyo Seco; San Gabriel Mountains
457
Comment
UCSB8704
Castilleja foliolosa
Wedberg, Lee
1954-4-26
Los Angeles
Dam, Pasadena; Devil's Gate
548
Comment
CAS-BOT-BC243782
Castilleja gleasoni
F. Grinnell Jr.
1910-6-11
s.n.
Los Angeles
Switzer's Trail, San Gabriel Mountains
1066
Comment
UCR4192
Castilleja martinii
R. H. Sauer
1965-4-13
s.n.
Los Angeles
San Gabriel Mtns, Pasadena, Arroyo Seco Canyon, along road c. 2.5 miles into the canyon
426
Comment
SBBG66918
Castilleja miniata subsp. miniata
M. N. Ackley
1927-6-5
1036
Los Angeles
Old Trail to Switzerland
731
Comment
RSA448774
Castilleja minor subsp. spiralis
Geo. L. Moxley
1915-7-4
362
Los Angeles
Arroyo Seco Canyon, San Gabriel Mountains.
Comment
SBBG66947
Castilleja minor subsp. spiralis
M. N. Ackley
1927-6-5
1035
Los Angeles
trail to Switzerland
762
Comment
UCSC001472
Catalpa bignonioides
Peter Kamb
1947-5-25
542
Los Angeles
Altadena
396
Comment
RSA429525
Caulanthus heterophyllus var. heterophyllus
Anstruther Davidson
1893-05
s.n.
Los Angeles
Rubio Canon, Los Angeles.
Comment
RSA66841
Caulanthus heterophyllus var. heterophyllus
F. W. Peirson
1918-6-6
63
Los Angeles
East of Rubio Canyon
Comment
SBBG15505
Caulanthus lasiophyllus
W. G. Webb
1935-4-17
Los Angeles
Arroyo Seco
Comment
UCR104743
Ceanothus
David Charlton
1989-4-30
2997
Los Angeles
San Gabriel Mtns., George's Gap, Angeles Crest Highway, approximately 10 miles north of the southern boundary of the Angeles National Forest, c. 1 mi. (airline) NW of Switzer Camp.
1159
Comment
A349002
Ceanothus crassifolius
G. B. Grant
1902-06-01 - 1902-07-01
147
Unknown
Mt. Lowe
Comment
A425499
Ceanothus crassifolius
J. G. Jack
1907-7-12
Unknown
Pasadena, Willard's Canon
Comment
CAS-BOT-BC48735
Ceanothus crassifolius
Geo. B. Grant
1906-6-10
6671
Los Angeles
Mt. Lome, Castle Canyon
914
Comment
CAS-BOT-BC48740
Ceanothus crassifolius
Geo. B. Grant
1901-1-1
s.n.
Los Angeles
So. Calif. From Mt. Lowe, S. Cal.
Comment
CAS-BOT-BC48743
Ceanothus crassifolius
Geo. B. Grant
1901-1-1
8988
Los Angeles
So. Calif. From Mt. Lowe, S. Cal.
Comment
CAS-BOT-BC48746
Ceanothus crassifolius
Geo. B. Grant
1901-1-1
s.n.
Los Angeles
So. Calif. From Mt. Lowe, S. Cal.
Comment
CAS-BOT-BC48754
Ceanothus crassifolius
Fordyce Grinnell
1916-3-18
s.n.
Los Angeles
San Gabriel Mts. near Pasadena
Comment
GH349026
Ceanothus crassifolius
L. E. Hoffman
1931-11-5
Unknown
Millard's Canyon, Angeles Nat'l Forest
Comment
GH349027
Ceanothus crassifolius
L. E. Hoffman
1932-3-14
Unknown
Millard's Canyon
Comment
GH349044
Ceanothus crassifolius
G. B. Grant
1902-06-01 - 1902-07-01
Unknown
Mt. Lowe
Comment
HSC12471
Ceanothus crassifolius
Wendell Wood
1970-6-24
43
Los Angeles
Switzer's Camp, Angeles Crest Hwy., 9 mi. beyond intersection with Foothill Blvd.
915
Comment
JEPS42402
Ceanothus crassifolius
Frank W. Peirson
1919-1-19
302 a
Los Angeles
foot of Rubio Canyon; San Gabriel Mts., foot of Rubio Canyon
548
Comment
JEPS42403
Ceanothus crassifolius
Frank W. Peirson
1918-5-19
302
Los Angeles
Millards Canyon San Gabriel Mountains
Comment
RSA329735
Ceanothus crassifolius
Gary D. Wallace
1966-3-25
209
Los Angeles
San Gabriel Mountains: Millard Canyon 5 miles north of Pasadena.
915
Comment
RSA398849
Ceanothus crassifolius
L. E. Hoffman
1932-3-14
s.n.
Los Angeles
Millard's Canyon, Angeles National Forest [San Gabriel Mountains].
Comment
RSA398852
Ceanothus crassifolius
L. E. Hoffman
1931-11-5
s.n.
Los Angeles
Millard's Canyon, Angeles National Forest, San Gabriel Mountains.
Comment
RSA398854
Ceanothus crassifolius
George B. Grant
1903-1
2547
Los Angeles
Mt. Lowe
Comment
RSA398855
Ceanothus crassifolius
Bonnie C. Templeton
1929-12-15
1449
Los Angeles
Arroyo Seco, near Camp Switzers.
900
Comment
RSA398858
Ceanothus crassifolius
Geo. C. Johnstone
1925-4-10
s.n.
Los Angeles
Mount Lowe
Comment
RSA398862
Ceanothus crassifolius
L. E. Hoffman
1932-3-14
16302
Los Angeles
Millard's Canyon, Angeles National Forest [San Gabriel Mountains].
Comment
RSA398867
Ceanothus crassifolius
Elbert Benjamine
1929-2-10
s.n.
Los Angeles
Arroyo Seco, above Pasadena.
915
Comment
RSA654866
Ceanothus crassifolius
A. C. Sanders, D. Malueg
1998-6-22
22032
Los Angeles
San Gabriel Mtns.: La Canada, SCE Gould Substation off Hwy 2, Gould Canyon.
595
Comment
RSA77143
Ceanothus crassifolius
F. W. Peirson
1926-3-20
6514
Los Angeles
Arroyo Seco, near Pasadena
915
Comment
RSA77145
Ceanothus crassifolius
F. W. Peirson
1919-1-19
302
Los Angeles
Rubio Canyon, San Gabriel Mountains.
549
Comment
RSA786777
Ceanothus crassifolius
Doris Bowers
1957-3-24
632
Los Angeles
Millard's Canyon N/o Altadena
1220
Comment
SD146173
Ceanothus crassifolius
Andy C. Sanders, D. Malueg
1998-6-22
22032
Los Angeles
San Gabriel Mtns.: La Canada, SCE Gould Substation off Hwy 2, Gould Canyon (Pasadena 7.5)
594
Comment
SDSU10251
Ceanothus crassifolius
Lorenzo Cook
1932-3-1
Los Angeles
Arroyo Seco Canyon.
Comment
SEINET3162179
Ceanothus crassifolius
G. B. Grant
1901-1
147
Los Angeles
Mt. Lowe, S. Cal.
Comment
SEINET3836782
Ceanothus crassifolius
G. B. Grant
1901-1
3896
Unknown
From Mt. Lowe, So. Cal.
Comment Read comments Nov 13 2015
UC452582
Ceanothus crassifolius
Geo. B. Grant
1901-1
147
Los Angeles
Mt. Lowe
Comment
UCR111527
Ceanothus crassifolius
A. C. Sanders, D. Malueg
1998-6-22
22032
Los Angeles
San Gabriel Mtns., La Canada, SCE Gould Substation off Hwy 2, Gould Canyon
595
Comment
UCSB3867
Ceanothus crassifolius
Sage, Paul
1958-2-21
Los Angeles
On ridge above Millard Canyon in Altadena 0.5 miles above Chaney Trail at a point about 2.3 mi. N. of Loma Alta St.
914
Comment
SBBG71367
Ceanothus crassifolius var. crassifolius
unknown
1894-3-11
Los Angeles
Mt Lowe
Comment
RSA399015
Ceanothus cuneatus
M. B. Dunkle
1936-4-9
4718
Los Angeles
San Rafael Valley
Comment
UC71947
Ceanothus cuneatus var. cuneatus
E. D. Palmer
Mar. 1902
Los Angeles
Echo Mt.
Comment
RSA164759
Ceanothus cyaneus
Wesley O. Griesel
1963-5-17
784
Los Angeles
About 1/4 mi southeast of Devil's gate Dam Pasadena
366
Comment
CAS-BOT-BC50148
Ceanothus integerrimus
Geo. B. Grant
1901-5-23
s.n.
Los Angeles
Mt. Lowe - Alpine Tavern
1584
Comment
CAS-BOT-BC50153
Ceanothus integerrimus
W. R. Dudley
1900-7-9
s.n.
Los Angeles
Mount Lowe, San Gabriel Mt.
Comment
CAS-BOT-BC50156
Ceanothus integerrimus
W. R. Dudley
1899-7-22
s.n.
Los Angeles
Mt. Lowe, San Gabriel Mts.
Comment
CAS-BOT-BC50158
Ceanothus integerrimus
Geo. B. Grant
1904-6-26
s.n.
Los Angeles
Mt. Lowe, Pasadena
1828
Comment
CAS-BOT-BC50163
Ceanothus integerrimus
Herman Knoche
1919-6-14
Series A, No. 853
Los Angeles
Mt. Lowe
1828
Comment
GH349520
Ceanothus integerrimus
Mrs. T. C. Pease
1910-5-10
Unknown
Mt. Lowe
Comment
RSA682124
Ceanothus integerrimus
Valerie L. Soza, Bill Hogshead, Amber Maurice
2003-5-17
s.n.
Los Angeles
Mount Lowe Road (2N50). From junction with Mount Wilson Road southwest to the junction with Chantry Flats Trail (2N65) above Altadena; (Mt. Wilson).
915
Comment
SFV16097
Ceanothus integerrimus
J. M. Kneitel
1995-4-9
19
Los Angeles
San Gabriel Mountains 4.7 miles north of USFS ranger station on Angeles Crest Highway. 50m from road.
279
Comment
UCSB3911
Ceanothus integerrimus
Kamb, Peter
1947-6-1
Los Angeles
North slope of Mt Disappointment, San Gabriel Mts
1463
Comment
CAS-BOT-BC51032
Ceanothus integerrimus var. macrothyrsus
Vernon Bailey
1907-9-25
1289
Los Angeles
Mt. Lowe
1524
Comment
CAS-BOT-BC167242
Ceanothus leucodermis
Wayne Law; Jun Hu
2000-4-30
03
Los Angeles
Transverse Ranges; San Gabriel Mtns.: Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground. First dirt road on left immediately after Millard campground
823
Comment
CAS-BOT-BC50526
Ceanothus leucodermis
W. R. Dudley
1899-7-22
s.n.
Los Angeles
Mt. Lowe, San gabriel Mts.
Comment
CAS-BOT-BC50556
Ceanothus leucodermis
Geo. B. Grant
April 14, ?
s.n.
Los Angeles
Arroy Seco
Comment
CAS-BOT-BC50565
Ceanothus leucodermis
Geo. B. Grant
1901-5-23
s.n.
Los Angeles
Alpine Tavern, Mt. Lowe
Comment
GH349757
Ceanothus leucodermis
L. E. Hoffman
1931-11-5
Unknown
Millard's Canyon, Angeles Nat'l Forest
Comment
HSC12328
Ceanothus leucodermis
Wendell Wood
1970-6-24
42
Los Angeles
Switzer's Camp, Angeles Crest Hwy., 9 mi. beyond intersection with Foothill Blvd.
915
Comment
POM2825
Ceanothus leucodermis
O. Kenney
1893-2-25
s.n.
Los Angeles
Mountain, collected near Pasadena
Comment
RSA399008
Ceanothus leucodermis
Fordyce Grinnell Jr.
1910-06
1931
Los Angeles
Long Canyon, San Gabriel Mountains.
Comment
RSA399753
Ceanothus leucodermis
L. E. Hoffman
1932-3-14
s.n.
Los Angeles
Millard's Canyon, Angeles National Forest [San Gabriel Mountains].
Comment
RSA399755
Ceanothus leucodermis
L. E. Hoffman
1931-11-5
s.n.
Los Angeles
Millard's Canyon, Angeles National Forest
Comment
RSA77163
Ceanothus leucodermis
F. W. Peirson
1918-5-19
112
Los Angeles
Dawn Station along the trolley to Mt. Lowe, San Gabriel Mts.
1037
Comment
SD236394
Ceanothus leucodermis
Wayne Law, Jun Hu
2000-4-30
3
Los Angeles
Transverse Ranges; San Gabriel Mtns.: Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground. First dirt road on left immediately after Millard campground.
518
Comment
UCD112233
Ceanothus leucodermis
Jamie Kneitel
1995-4-9
19
Los Angeles
Angeles National Forest, 4.7 mi. N of U.S.F.S. Ranger Station on Angeles Crest Hwy., 50 m. from road, San Gabriel Mtns.
915
Comment
UCR172775
Ceanothus leucodermis
Wayne Law, Jun Hu
2000-4-30
03
Los Angeles
Transverse Ranges; San Gabriel Mtns., Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground.
823
Comment
UCSB32409
Ceanothus leucodermis
Proctor, Donald
1962-5-4
Los Angeles
Switzers Camp off Angeles Crest Hwy. San Gabriel Mts.
792
Comment
UCSB3914
Ceanothus leucodermis
Kamb, Peter
1947-5-25
Los Angeles
Millard Canyon near Sunset Ridge guard station, San Gabriel Mts
670
Comment
RSA95363
Ceanothus megacarpus
F. W. Peirson
1918-5-5
731
Los Angeles
along road to [Brents] on the Malibu, Santa Monica Mts.
Comment Read comments Apr 20 2019
CAS-BOT-BC50457
Ceanothus oliganthus
Geo. B. Grant
1904-5-5
s.n.
Los Angeles
Arroyo Seco Canyon, S. Cal
Comment
CAS-BOT-BC50458
Ceanothus oliganthus
Geo. B. Grant
1906-6-10
s.n.
Los Angeles
Castle Canyon, Mt. Lowe
914
Comment
CAS-BOT-BC50498
Ceanothus oliganthus
Le Roy Abrams
1899-3-11
292
Los Angeles
Millards Canyon
Comment
LA43648
Ceanothus oliganthus
Zaitlin;
1951-3-17
sn
Los Angeles
Angelus Crest Hwy S Side
731
Comment
POM265803
Ceanothus oliganthus
J. C. Roos
1942-3-7
1106
Los Angeles
On brushy delta, La Canada
Comment
POM2826
Ceanothus oliganthus
O. Kenney
1893-2-15
s.n.
Los Angeles
Mountains, collected near Pasadena
Comment
RSA399723
Ceanothus oliganthus
Louis Greata
1901-04
s.n.
Los Angeles
Arroyo Seco, near Pasadena
Comment
RSA764033
Ceanothus oliganthus
Doris Bowers
1957-3-24
631
Los Angeles
Millard's Canyon N/o Altadena
1220
Comment
SDSU10310
Ceanothus oliganthus
Lorenzo Cook
1932-4-1
Los Angeles
Arroyo Seco Canyon.
Comment
UCSB3952
Ceanothus oliganthus
Decker, Helen
1946-4-14
Los Angeles
Arroyo Seco Canyon, San Gabriel Mountains
1097
Comment
RSA747737
Ceanothus oliganthus subsp. oliganthus
Scott D. White, J. Wood, C. Huntley, J. Miner
2009-5-12
12694
Los Angeles
San Gabriel Mountains: Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road.
549
Comment
CHSC26359
Ceanothus oliganthus var. oliganthus
James Henrickson
1972-3-19
7175
Los Angeles
5 road miles along Angeles Crest Hwy 2 NE of La Canada.
853
Comment
HSC98206
Ceanothus oliganthus var. oliganthus
James Henrickson
1972-3-19
7175
Los Angeles
5 mi along Angeles Crest Hwy. 2 NE of La Canada
854
Comment
POM89885
Ceanothus oliganthus var. oliganthus
F. W. Peirson
1926-3-20
6513
Los Angeles
Arroyo Seco.
1006
Comment
RSA399739
Ceanothus oliganthus var. oliganthus
H. Wells
1968-3-17
10
Los Angeles
Angeles National Forest. 3.7 miles north northeast junction of State Hwy. 118 and State Hwy. 2, on Angeles Crest Hwy.
762
Comment
RSA399742
Ceanothus oliganthus var. oliganthus
Albert J. Perkins
1920-3-20
s.n.
Los Angeles
San Gabriel Mts. Millards Canyon.
Comment
RSA601641
Ceanothus oliganthus var. oliganthus
Louis C. Wheeler
1967-6-16
9860
Los Angeles
San Gabriel Mountains: North side of Sunset Ridge under power line, Millard Canyon.
579
Comment
RSA659840
Ceanothus oliganthus var. oliganthus
Orlando Mistretta, Mike Hammitt
1991-6-21
s.n.
Los Angeles
Fern Canyon. Open ridgetop, firebreak W of 2N66.
756
Comment
UC50448
Ceanothus oliganthus var. oliganthus
H. M. Hall
Apr 1903
3743
Los Angeles
Arroyo Seco
Comment
GH425436
Ceanothus tomentosus
C. C. Kingman
1911-4-15
Unknown
Rubio Canyon, San Gabriel Mts.
Comment
POM351504
Centaurea melitensis
L. E. Hoffman
1929-6-8
s.n.
Los Angeles
Arroyo Seco Canyon
Comment
POM351508
Centaurea melitensis
Howard Mullins
1931-4-19
s.n.
Los Angeles
Flintridge.
Comment
RSA656868
Centaurea melitensis
Joseph M. Keefe
2001-1-24
31011
Los Angeles
Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena.
250
Comment
UCR95473
Centaurea melitensis
L. C. Wheeler
1967-4-23
9191
Los Angeles
San Gabriel Mtns, N slope of Sunset Ridge at edge of firebreak by Millard Canyon
610
Comment
JEPS46376
Centaurium venustum
Frank W. Peirson
1918-6-28
144
Los Angeles
Lower Rubio Canyon San Gabriel Mts.
579
Comment
RSA601628
Centaurium venustum
Louis C. Wheeler
1967-6-16
9857
Los Angeles
San Gabriel Mountains: North side of Sunset Ridge under power line, Millard Canyon.
579
Comment
RSA607828
Centaurium venustum
Louis C. Wheeler
1947-7-4
6539
Los Angeles
San Gabriel Mountains: El Prieto Canyon, off Millard Canyon.
Comment
RSA656869
Ceratonia siliqua
Joseph M. Keefe
2001-1-24
31012
Los Angeles
Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena.
250
Comment
SD181358
Cercocarpus betuloides
J. Henrickson
2000-4-29
20732
Los Angeles
Ca. 11 air miles NE of La Cresenta along Angeles Crest Highway north of Mt. Wilson in the San Gabriel Mountains. Near Red Box Gap.
1399
Comment
UCR146100
Cercocarpus betuloides
James Henrickson
2000-4-29
20731
Los Angeles
c. 2 miles east of La Cresenta along Angeles Crest Highway c. 2-5 miles NE of the 210 Freeway, in Los Angeles National Forest.
1067
Comment
CAS-BOT-BC142102
Cercocarpus betuloides var. betuloides
Geo. B. Grant
1902-6-1
s.n.
Los Angeles
Summit of Mt. Lowe
1676
Comment
JEPS45538
Cercocarpus betuloides var. betuloides
Frank W. Peirson
1919-3-27
340
Los Angeles
road out of Arroyo Seco San Gabriel Mountains
533
Comment
POM453275
Cercocarpus betuloides var. betuloides
L. E. Hoffman
1931-11-9
s.n.
Los Angeles
Millards Canyon.
Comment
RSA453283
Cercocarpus betuloides var. betuloides
Fordyce Griffiths Jr.
1910-06
1931
Los Angeles
Long Canyon, San Gabriel Mountains.
Comment
RSA453290
Cercocarpus betuloides var. betuloides
Fordyce Griffiths Jr.
1910-06
s.n.
Los Angeles
Long Canyon, San Gabriel Mountains.
Comment
RSA656566
Cercocarpus betuloides var. betuloides
James Henrickson
2000-4-29
20732
Los Angeles
Ca. 11 air miles NE of La Cresenta along Angeles Crest Highway north of Mt. Wilson in the San Gabriel Mountains. Near Red Box Gap
1400
Comment
RSA656567
Cercocarpus betuloides var. betuloides
James Henrickson
2000-4-29
20731
Los Angeles
Ca. 2 miles E of La Cresenta along Angeles Crest Highway ca. 2-5 miles NE of the 210 Freeway, in Angeles National Forest
1067
Comment
RSA86673
Cercocarpus betuloides var. betuloides
F. W. Peirson
1919-3-27
340
Los Angeles
Road out of Arroyo Seco.
549
Comment
HSC12510
Cercocarpus montanus var. glaber
Wendell Wood
1970-6-20
15
Los Angeles
Linda Vista Rd. and Figueroa, Glendale
457
Comment
CAS-BOT-BC279510
Chaenactis artemisiifolia
W. R. Dudley
1900-7-1
s.n.
Los Angeles
Mount Lowe
Comment
CAS-BOT-BC279511
Chaenactis artemisiifolia
F. Grinnell Jr.
1910-6-22
s.n.
Los Angeles
Switzers Trail, San Gabriel Mts.
1066
Comment
CAS-BOT-BC279513
Chaenactis artemisiifolia
W. R. Dudley
1900-7-9
s.n.
Los Angeles
Mount Lowe
Comment
CAS-BOT-BC279519
Chaenactis artemisiifolia
M. E. Jones
1902-6-20
s.n.
Los Angeles
Mt. Lowe, Pasadena
Comment
POM30266
Chaenactis artemisiifolia
Marcus E. Jones
1902-6-20
s.n.
Los Angeles
Mt. Lowe
Comment
JEPS34175
Chaenactis glabriuscula
F. W. Peirson
1918-6-28
243
Los Angeles
foothills e of (which is about 2 mi n of Pasadena) Rubio Canyon
609
Comment
UCR111499
Chaenactis glabriuscula
A. C. Sanders, D. Malueg
1998-6-22
22023
Los Angeles
San Gabriel Mtns., Altadena, c. 800 m SSW of Mt. Lowe, N end of Tanoble Dr. at Woodglen Ln., and along trail to the NE
549
Comment
UCR132318
Chaenactis glabriuscula
John F. Green
2003-6-24
s.n.
Los Angeles
Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory
381
Comment
CAS-BOT-BC277346
Chaenactis glabriuscula var. glabriuscula
F. Grinnell Jr.
1917-6-30
s.n.
Los Angeles
Altadena
457
Comment
POM351745
Chaenactis glabriuscula var. lanosa
L. E. Hoffman
1926-3-18
s.n.
Los Angeles
Arroyo Seco river.
Comment
POM351806
Chaenactis santolinoides
Anstruther Davidson
1893-6-12
s.n.
Los Angeles
Mt. Disappointment
Comment
RSA670952
Chamaesyce maculata
Joseph M. Keefe
2001-1-24
31014
Los Angeles
East side of Arroyo Seco, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena.
250
Comment
RSA70398
Chamaesyce serpillifolia
F. W. Peirson
1920-6-14
2162
Los Angeles
At Peirson home, 1082 New York Drive, Altadena
Comment
RSA601627
Chamaesyce serpillifolia subsp. serpillifolia
L. C. Wheeler
1967-6-16
9858
Los Angeles
San Gabriel Mountains: North side of Sunset Ridge under power line, Millard Canyon.
579
Comment
CAS-BOT-BC70022
Cheilanthes covillei
Geo. B. Grant
1902-6-1
s.n.
Los Angeles
Mt. Lowe
1524
Comment
RSA679922
Cheilanthes covillei
LeRoy Gross, Bill Hogshead, Orlando Mistretta, Valerie Soza
2003-5-23
931
Los Angeles
Southwest ridge that climbs to Mt. Markham (between Mt. Markham and the Mt. Lowe dirt road (2N50.1).
1631
Comment
RSA685706
Cheilanthes covillei
Geo L. Moxley
1910-7-20
419
Los Angeles
Mt. Washburb, Near Switzers Camp, Arroyo Seco Canyon
Comment
UC1874981
Cheilanthes covillei
Ruth Kirkpatrick
2001-7-30
1080
Los Angeles
San Gabriel Mountains at Red Box Picnic Area on Angeles Crest Hwy (Hwy 2), Angeles National Forest Red Box Station. Angeles Crest Hwy and Mount Wilson/Red Box
1432
Comment
UC62621
Cheilanthes covillei
Geo. B. Grant
1901-1
247
Los Angeles
Mt Lowe
1524
Comment
RSA0105026
Chenopodium berlandieri
R. G. Swinney
2011-10-18
15814
Los Angeles
San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy.
1021
Comment
UCR273385
Chenopodium berlandieri
R. G. Swinney
2011-10-18
15814
Los Angeles
San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy
1037
Comment Read comments Aug 24 2017
UCR132945
Chenopodium botrys
Michael D. Wilcox
2003-8-30
s.n.
Los Angeles
San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Prop. Laboratory
381
Comment
SEINET5764404
Chenopodium californicum
Unknown
1904-1
167 a
Los Angeles
Pasadena
Comment
UC1971374
Chenopodium desiccatum
Louis C. Wheeler
1973-8-2
s.n.
Los Angeles
SAN GABRIEL MOUNTAINS: Coulter Reservoir, Sunset Ridge.
Comment
RSA631087
Chenopodium multifidum
L. C. Wheeler
1947-4-13
6466
Los Angeles
San Gabriel Mountains; Millard Canyon.
640
Comment
CDA3111
Chenopodium pumilio
L. C. Wheeler
1973-5-12
s.n.
Los Angeles
San Gabriel Mountains: Gould Mesa Picnic Ground.
Comment
RSA601630
Chenopodium pumilio
L. C. Wheeler
1967-6-16
9853
Los Angeles
San Gabriel Mountains: North side of Sunset Ridge, south of Millard Canyon.
640
Comment
RSA624642
Chenopodium pumilio
L. C. Wheeler
1973-5-12
s.n.
Los Angeles
San Gabriel Mountains: Gould Mesa Picnic Ground.
427
Comment
SEINET5765126
Chenopodium pumilio
Unknown
1906-1
7178
Los Angeles
Pasadena
Comment
UC1971343
Chlorogalum pomeridianum
Louis C. Wheeler
1973-8-2
Los Angeles
SAN GABRIEL MOUNTAINS: Coulter Reservoir, Sunset Ridge.
Comment
NY32512
Chorizanthe leptoceras
A. M. Ottley
1920-4-30
510
Los Angeles
Arroyo Seco.
335.3
Comment
GH369880
Chorizanthe parryi
G. B. Grant
1901-06-01 - 1901-07-01
122
Unknown
Pasadena, Mt. Lowe
1219
Comment
CAS-BOT-BC252777
Chorizanthe parryi var. parryi
Geo. B. Grant
1902-6-1
171
Los Angeles
Mt. Lowe, So. Cal.
1219
Comment
CAS-BOT-BC252778
Chorizanthe parryi var. parryi
Geo. B. Grant
1902-6-1
171
Los Angeles
Mt. Lowe, So. Cal.
1219
Comment
JEPS57709
Chorizanthe parryi var. parryi
Frank W. Peirson
1919-5-21
446
Los Angeles
Arroyo Seco San Gabriel Mountains, Arroyo Seco
381
Comment
UC72684
Chorizanthe parryi var. parryi
Geo. B. Grant
Jun 1902
171
Los Angeles
Mount Lowe Mount Lowe (Southern California)
Comment
CAS-BOT-BC244652
Chorizanthe staticoides
G. B. Grant
1904-6-17
s.n.
Los Angeles
Altadena
Comment
CAS-BOT-BC244669
Chorizanthe staticoides
F. Grinnell Jr.
1917-6-30
s.n.
Los Angeles
Altadena
457
Comment
CAS-BOT-BC244715
Chorizanthe staticoides
Grant
1901-5-23
3909
Los Angeles
Echo Mtn near Hotel
Comment
CAS-BOT-BC244725
Chorizanthe staticoides
F. Grinnell Jr.
1917-6-30
s.n.
Los Angeles
Altadena
457
Comment
JEPS57759
Chorizanthe staticoides
Frank W. Peirson
1918-6-12
26
Los Angeles
foothills e Rubio Canyon (San Gabriel Mountains); , foothills e Rubio Canyon
609
Comment
POM306235
Chorizanthe staticoides
Henry J. Ramsey, Henry J. Ramsey
1937-5-27
s.n.
Los Angeles
N. Craig Avenue, Altadena.
Comment
POM307202
Chorizanthe staticoides
Henry J. Ramsey, Henry J. Ramsey
1937-6-23
2068
Los Angeles
North Craig Ave., Altadena.
Comment
RSA18521
Chorizanthe staticoides
Carl B. Wolf
1927-7-24
677
Los Angeles
Chevy Chase Drive between Flintridge and Glendale
Comment
RSA392668
Chorizanthe staticoides
Geo. L. Moxley
1914-5-30
217
Los Angeles
San Rafael Hills
Comment
RSA392697
Chorizanthe staticoides
Anstruther Davidson
1893-6-12
s.n.
Los Angeles
Switzer's Trail.
Comment
RSA65075
Chorizanthe staticoides
Raymond J. Dobbs
1924-6-30
5388
Los Angeles
Near Switzers Camp, San Gabriel Mountains.
915
Comment
UCR1468
Chorizanthe staticoides
Bland Ewing
1961-3-30
5- 13 -
Los Angeles
San Gabriel Mtns., Brown Mtn. Fire Control Rd., Millard Canyon, Altadena
854
Comment
RSA723501
Chrysanthemum parthenium
LeRoy Gross, Sarah M. Siedschlag
2007-6-4
2777
Los Angeles
Southern side of mountains. Along Mount Lukens Road (2N76.2) Road Survey for the National Forest. Near
771
Comment
POM351944
Chrysothamnus nauseosus subsp. bernardinus
Fordyce Grinnell Jr.
1915-9-4
3117
Los Angeles
Above Arroyo Seco-West Fork Divide.
Comment
CAS-BOT-BC285405
Cirsium occidentale var. californicum
F. Grinnell Jr.
1910-6-20
s.n.
Los Angeles
Long Canon [Canyon], San Gabriel Mts.
1066
Comment
CAS-BOT-BC285408
Cirsium occidentale var. californicum
Peter Kamb
1947-6-1
559
Los Angeles
Angeles Crest highway 1 mi. below Red Box Gap, San Gabriel Mts
1341
Comment
POM352154
Cirsium occidentale var. californicum
Geo. L. Moxley
1915-7-4
353
Los Angeles
Arroyo Seco Canyon.
Comment
POM352157
Cirsium occidentale var. occidentale
Howard Mullins
1931-4-19
s.n.
Los Angeles
Chevy Chase, Flintridge
Comment
POM352182
Cirsium occidentale var. occidentale
T. S. Clare, Johnstone
1929-10-20
s.n.
Los Angeles
Eaton Canyon Rd. San Gabriel Mts.
915
Comment
RSA657960
Cirsium occidentale var. occidentale
C. Schapiro
1979-4-10
3
Los Angeles
Verdugo Mountains; On fire road at intersection of Linda Vista Rd. and Figueroa St., North Glendale
762
Comment
RSA529891
Cistus creticus
T. S. Ross
1991-8-16
5796
Los Angeles
Woodwardia canyon, San Gabriel Mtns (N of Pasadena)
819
Comment
RSA654865
Cistus creticus
A. C. Sanders, D. Malueg
1998-6-22
22030
Los Angeles
San Gabriel Mtns.: La Canada, SCE Gould Substation off Hwy 2, Gould Canyon.
595
Comment
SFV17370
Cistus incanus
J. N. Hogue, D. L. Bishop
1998-5-28
110 .5
Los Angeles
San Gabriel Mountains Arroyo Seco near Switzer's Picnic Area.
976
Comment
UC1586238
Cistus incanus
Tim Ross
1991-8-16
5796
Los Angeles
Woodwardia Canyon San Gabriel Mountains, Condor Peak USGS 7.5' quadrangle (n of Pasadena)
818
Comment
RSA529890
Cistus ladanifer
T. S. Ross
1991-8-16
5798
Los Angeles
Woodwardia canyon, San Gabriel Mtns (N of Pasadena)
819
Comment
SFV21727
Cistus ladanifer
S. Kimball, M. Garrido
1999-5-2
78
Los Angeles
San Gabriel Mountains Millard Canyon, on fire road by upper parking lot for trail to Mount Lowe.
700
Comment
UC1586237
Cistus ladanifer
Tim Ross
1991-8-16
5798
Los Angeles
Woodwardia Canyon San Gabriel Mountains, Condor Peak USGS 7.5' quadrangle (n of Pasadena)
Comment
UCR1430
Cistus ladanifer
Bland Ewing
1961-3-30
300361- 9 -16
Los Angeles
San Gabriel Mtns., Brown Mtn. Fire Control Rd., El Prieto Canyon, Altadena
Comment
UCR10204
Cistus laurifolius
A. M. Beck
1970-6-3
92
Los Angeles
San Gabriel Mtns, Angeles Crest Hwy.
945
Comment
UCR111506
Cistus villosus
A. C. Sanders, D. Malueg
1998-6-22
22030
Los Angeles
San Gabriel Mtns., La Canada, SCE Gould Substation off Hwy 2, Gould Canyon
595
Comment
SEINET10956560
Citrus limon
Mary Merello, Heidi H. Schmidt
1999-12-3
Merello 2497
Los Angeles
City of Pasadena. Vartan Family Grocery, 1511 E. Washington Blvd.
270
Comment
CAS-BOT-BC172429
Clarkia bottae
Geo. B. Grant
1906-6-10
6666
Los Angeles
Mt. Lowe, Castle Canyon Trail
Comment
CAS-BOT-BC172434
Clarkia bottae
Raymond J. Dobbs
1927-5-26
s.n.
Los Angeles
Loner Arroyo
Comment
CAS-BOT-BC172435
Clarkia bottae
Raymond J. Dobbs
1924-6-5
s.n.
Los Angeles
Switzer
Comment
CAS-BOT-BC172436
Clarkia bottae
Raymond J. Dobbs
1924-5-22
s.n.
Los Angeles
2 1/2 miles below Switzer, old Trail
Comment
UC173996
Clarkia bottae
G. B. Grant
1906-6-10
6666
Los Angeles
Mt. Lowe
Comment
CHSC3723
Clarkia cylindrica
Sue Boergadine
1966-5-26
Los Angeles
Switzer's Camp.
762
Comment
CAS-BOT-BC164326
Clarkia dudleyana
F. Grinnell Jr.
1910-6-4
s.n.
Los Angeles
San Gabriel Mts., Long [Canon] Canyon
914
Comment
CAS-BOT-BC172100
Clarkia dudleyana
Wesley O. Griesel
1961-6-3
s.n.
Los Angeles
State Hwy. 2 about 3 mi. above La Canada, San Gabriel Mts.
609
Comment
CAS-BOT-BC172101
Clarkia dudleyana
Wesley O. Griesel
1961-6-3
s.n.
Los Angeles
State Hwy. 2 about 3 mi. above La Canada, San Gabriel Mts.
609
Comment
CAS-BOT-BC172103
Clarkia dudleyana
Raymond J. Dobbs
1927-6-28
s.n.
Los Angeles
Fire break near Smilzer's, San Gabriel Mts.
624
Comment
CHSC35191
Clarkia dudleyana
Paul Bailey
1971-5-28
67
Los Angeles
6 mi. N. of Pasadena in Millard Cyn. in San Gabriel foothills.
457
Comment
HSC12679
Clarkia dudleyana
Wendell Wood
1970-6-24
38
Los Angeles
Linda Vista Ave. and Foothill Hwy., Pasadena
305
Comment
RSA448253
Clarkia dudleyana
Geo. L. Moxley
1915-7-4
358
Los Angeles
Arroyo Seco Canyon, San Gabriel Mountains.
Comment
RSA453468
Clarkia dudleyana
Edwin Kline
1924-6-22
s.n.
Los Angeles
Arroyo Seco. San Gabriel Mountains.
Comment
RSA73341
Clarkia dudleyana
F. W. Peirson
1920-6-10
4456
Los Angeles
North slope of Echo Mtn.
915
Comment
RSA747747
Clarkia dudleyana
Scott D. White, J. Wood, J. Miner
2009-5-12
12705
Los Angeles
San Gabriel Mountains: Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road.
549
Comment
SEINET1869740
Clarkia dudleyana
M. D. Wilcox
2003-1
Los Angeles
San Gabriel Mtns.: Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory.
381
Comment
UCR136895
Clarkia dudleyana
Michael D. Wilcox
2003-6-24
s.n.
Los Angeles
San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory
381
Comment
UCSB4359
Clarkia dudleyana
Kamb, Peter
1947-5-25
Los Angeles
Upper Sonoran Zone; Millards Canyon near Sunset Ride guard station; San Gabriel Mts
Comment
CAS-BOT-BC163711
Clarkia purpurea subsp. quadrivulnera
R. J. Dobbs
1924-6-5
s.n.
Los Angeles
Swetzers [Switzer]
Comment
CAS-BOT-BC163716
Clarkia purpurea subsp. quadrivulnera
F. Grinnell Jr.
1917-6-30
s.n.
Los Angeles
Altadena
457
Comment
CLARK-A1528-2658
Clarkia purpurea subsp. quadrivulnera
Robin L. Kobaly
1972-5-17
RLK 720517
Los Angeles
San Gabriel Mountains
Comment
RSA610411
Clarkia purpurea subsp. quadrivulnera
R. S. Woglum
1930-5-17
s.n.
Los Angeles
Western Transverse Ranges: South slope of the San Gabriel Mountains, Pasadena.
Comment
POM184686
Clarkia rhomboidea
Joseph A. Ewan
1932-6-17
7360
Los Angeles
San Gabriel Mountains. Upper Arroyo Seco. Near Waterman Ranger District.
1006
Comment
RSA448582
Clarkia unguiculata
Paul Currie
1969-1
33
Los Angeles
Along road to Mt. Wilson, c. 15 miles northeast of La Canada
1067
Comment
UCR132293
Clarkia unguiculata
John F. Green
2003-7-17
s.n.
Los Angeles
San Gabriel Mtns., Arroyo Seco, Pasadena, just east of Jet Prop. Lab., transect zero below diversion dam
366
Comment
UCR172705
Claytonia perfoliata
Jun Hu, Weena Sangkatavat
2000-4-22
02
Los Angeles
Transverse Ranges; San Gabriel Mtns., Millard Canyon, 2 mi N of Altadena. First trail on the right immediately before Millard Campground
549
Comment
UCR4185
Claytonia perfoliata
R. H. Sauer
1965-4-13
s.n.
Los Angeles
San Gabriel Mtns, Pasadena, Arroyo Seco Canyon, along road c. 2.5 miles into the canyon
426
Comment
CAS-BOT-BC439916
Claytonia perfoliata subsp. intermontana
John H. Thomas
1957-5-11
6753
Los Angeles
San Gabriel Mountains. About 3 miles north of La Canada near Angeles Crest Highway.
762
Comment
RSA466718
Claytonia perfoliata subsp. mexicana
L. E. Hoffman
s.n.
Los Angeles
Millard's Canyon, Angeles Forest.
Comment
UC50355
Claytonia perfoliata subsp. mexicana
H. M. Hall
Apr 1903
3745
Los Angeles
Arroyo Seco
Comment
A369575
Clematis lasiantha
M. Strong
1922-5-30
Unknown
Mt. Lowe
Comment
CAS-BOT-BC91379
Clematis lasiantha
Geo. B. Grant
1900-6-1
s.n.
Los Angeles
Mount Lowe.
Comment
CAS-BOT-BC91381
Clematis lasiantha
Geo. B. Grant
1901-1-1
194
Los Angeles
Mount Lowe.
Comment
CAS-BOT-BC91389
Clematis lasiantha
Mrs. Jos Clemens
1922-5-30
s.n.
Los Angeles
Mount Lowe.
Comment
CAS-BOT-BC91392
Clematis lasiantha
J. H. Thomas
1957-5-11
6756
Los Angeles
San Gabriel Mountains, about 4.5 miles north of La Canada.
975
Comment
GH369543
Clematis lasiantha
G. B. Grant
1902-6-3
194
Unknown
Mt. Lowe, S Cal
Comment
GH369545
Clematis lasiantha
Mrs. T. C. Pease
1910-5-10
Unknown
Mt. Lowe
Comment
JEPS60545
Clematis lasiantha
Frank W. Peirson
1918-5
51
Los Angeles
Millards Canyon
640
Comment
PASA2396
Clematis lasiantha
Frank W. Peirson
1926-3-20
Los Angeles
Arroyo Seco, San Gabriel Mts.
914
Comment
RSA386203
Clematis lasiantha
Albert J. Perkins
1895-4-25
s.n.
Los Angeles
Mt. Lowe.
Comment Read comments Apr 13 2014
RSA84410
Clematis lasiantha
F. W. Peirson
51
Los Angeles
Rubio Canyon, south base of San Gabriel Mountains.
Comment
RSA84465
Clematis lasiantha
F. W. Peirson
1926-3-20
6516
Los Angeles
Arroyo Seco, near Pasadena
915
Comment
UCR238471
Clematis lasiantha
Orlando Mistretta, Christine Mistretta
2008-5-5
2654
Los Angeles
Transverse Ranges; San Gabriel Mountains, Southern California Edison transmission line corridor (Segment 11, Impact Area 17 per TRTP Survey 2008), in the vicinity of Millard Canyon
628
Comment
UCSB1951
Clematis lasiantha
Wedberg, Lee
1954-5-10
Los Angeles
Seco Cyn; Upper Arroyo
914
Comment
LA207186
Clematis ligusticifolia
Carl Epling;
May 1926
sn
Los Angeles
Arroyo Seco
Comment
RSA0105075
Clematis ligusticifolia
R. G. Swinney
2011-10-18
15815
Los Angeles
San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy.
1021
Comment
UCR273386
Clematis ligusticifolia
R. G. Swinney
2011-10-18
15815
Los Angeles
San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy
1037
Comment Read comments Aug 24 2017
JEPS13373
Collinsia heterophylla
Peter Kamb Ray
1947-5-25
532
Los Angeles
near Sunset Ridge Guard Station (Millard Canyon); San Gabriel Mtns, Millard Canyon
670
Comment
JEPS13637
Collinsia heterophylla
Peter Kamb
1947-5-25
532
Los Angeles
near Sunset Ridge Guard Station (Millard Canyon); San Gabriel Mtns, Millard Canyon
670
Comment
POM45047
Collinsia heterophylla
I. E. Diehl
1902-6-27
243
Los Angeles
San Gabriel Moutains region Mt. Lowe
Comment
RSA682115
Collinsia heterophylla
Valerie L. Soza, Bill Hoghead, Amber Maurice
2003-5-17
s.n.
Los Angeles
Mount Lowe Road (2N50). From junction with Mount Wilson Road southwest to the junction with Chantry Flats Trail (2N65) above Altadena; (Mt. Wilson).
915
Comment
UCSB9592
Collinsia heterophylla
Wedberg, Lee
1954-4-26
Los Angeles
Devil's Gate Dam, Pasadena
243
Comment
CAS-BOT-BC240953
Collinsia parryi
Geo. B. Grant
1904-5-5
6260
Los Angeles
Arroyo Seco Canyon
Comment
LA209062
Collinsia parryi
Carl Epling;
May 1926
sn
Los Angeles
Arroyo Seco
Comment
SEINET10317263
Collinsia parryi
Wesley O. Griesel
1961-4-18
Los Angeles
Switzers Inlet, San Gabriel Mountains
762
Comment
SFV17367
Collinsia parryi
J. N. Hogue, D. L. Bishop
1998-5-28
110 .2
Los Angeles
San Gabriel Mountains Arroyo Seco near Switzer's Picnic Area.
976
Comment
UC166909
Collinsia parryi
Geo. B. Grant
1905-5-4
201
Los Angeles
San Gabriel Mountains, Pasadena, Willard Canyon Pasadena; San Gabriel Mountains, , Willard Canyon
Comment
RSA678137
Colutea arborescens
Valerie L. Soza, Monica Acosta, Tasha La Doux, Michael Wall
2001-6-28
1307
Los Angeles
Upper Forest Service Road 2N66, between Fern Canyon and Pine Canyon.
Comment
RSA747742
Colutea arborescens
Scott D. White, J. Wood, C. Huntley, J. Miner
2009-5-12
12688
Los Angeles
San Gabriel Mountains: Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road.
549
Comment
UC1951123
Colutea arborescens
Scott D. White, J. Wood, C. Huntley, J. Miner
2009-5-12
12688
Los Angeles
SAN GABRIEL MOUNTAINS: Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road. USGS Pasadena 7.5' Quad.
Comment
UCR136830
Colutea arborescens
John F. Green
2003-6-24
s.n.
Los Angeles
Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory
381
Comment
UCR213791
Colutea arborescens
Scott D. White, Justin M. Wood, Chris Huntley, Jamie Miner
2009-5-12
12688
Los Angeles
San Gabriel Mountains, Millard Canyon, north of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lower Fire Road
707
Comment
RSA71126
Convolvulus arvensis
F. W. Peirson
890
Los Angeles
New York Ave, Altadena.
Comment
RSA412300
Cordylanthus rigidus subsp. setiger
Fordyce Griffiths Jr.
1910-06
3428
Los Angeles
Long Canyon, San Gabriel Mountains.
Comment
UC485340
Coreopsis californica var. californica
Geo. B. Grant
Apr 1902
681
Los Angeles
Altadena,
Comment
SEINET3146399
Coreopsis douglasii
G. B. Grant
681
Los Angeles
Altadena
Comment
CAS-BOT-BC105651
Corethrogyne filaginifolia
F. Grinnell Jr.
1908-10-8
s.n.
Los Angeles
Switzer Camp, San gabriel Mts.
914
Comment
CAS-BOT-BC105652
Corethrogyne filaginifolia
F. Grinnell Jr.
1917-8-27
s.n.
Los Angeles
Upper Arroyo Seco Canyon [Canon], San Gabriel Mountains
Comment
CAS-BOT-BC105702
Corethrogyne filaginifolia
Fordyce Grinnell, Jr.
1916-9-2
s.n.
Los Angeles
San Gabriel Mts., near Pasadena
Comment
CAS-BOT-BC105703
Corethrogyne filaginifolia
Fordyce Grinnell, Jr.
1916-9-20
s.n.
Los Angeles
San Gabriel Mts., near Pasadena
2590
Comment
CAS-BOT-BC105704
Corethrogyne filaginifolia
Fordyce Grinnell
1915-9-4
s.n.
Los Angeles
San Gabriel Mts., upper Arroyo Seco Canyon [Canon]
Comment
CAS-BOT-BC105705
Corethrogyne filaginifolia
Fordyce Grinnell
1903-12-22
26
Los Angeles
San Gabriel Mts., upper Arroyo Seco Canyon [Canon], near Pasadena
Comment
CAS-BOT-BC105706
Corethrogyne filaginifolia
Fordyce Grinnell
1903-12-1
43
Los Angeles
Upper Arroyo Seco Canyon [Canon], near Pasadena
Comment
GH387120
Corethrogyne filaginifolia
C. C. Kingman
1910-11-10
Unknown
Altadena
Comment
PASA1815
Corethrogyne filaginifolia
Frank W. Peirson
1919-10-26
Los Angeles
Foot of Rubio Canyon, Altadena
548
Comment
RSA0107700
Corethrogyne filaginifolia
R. G. Swinney
2011-10-18
15847
Los Angeles
San Gabriel Mountains: 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2.
1021
Comment
RSA149753
Corethrogyne filaginifolia
Wesley O. Griesel
1961-9-23
s.n.
Los Angeles
Switzers Camp.
762
Comment
UCR273163
Corethrogyne filaginifolia
R. G. Swinney
2011-10-18
15847
Los Angeles
San Gabriel Mountains, 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2
1021
Comment
POM304730
Corethrogyne filaginifolia var. filaginifolia
Henry J. Ramsey, Henry J. Ramsey
1937-9-2
I 66
Los Angeles
Angeles Crest Highway.
Comment
POM304731
Corethrogyne filaginifolia var. filaginifolia
Henry J. Ramsey, Henry J. Ramsey
1937-9-2
I 65
Los Angeles
Lady Bug Canyon, Angeles Crest Highway
Comment
POM356133
Corethrogyne filaginifolia var. filaginifolia
Fordyce Grinnell Jr.
1915-9-6
s.n.
Los Angeles
Low hills, near Pasadena
Comment
RSA600563
Cortaderia selloana
L. C. Wheeler
1961-2-25
7800
Los Angeles
San Gabriel Mountains. Arroyo Seco ca. 0.5 mile upstream from Oak Wilde.
579
Comment
RSA602767
Cortaderia selloana
L. C. Wheeler
1972-12-24
12802
Los Angeles
San Gabriel Mountains: Las Flores Canyon.
823
Comment
RSA603196
Cortaderia selloana
L. C. Wheeler
1972-12-21
12793
Los Angeles
San Gabriel Mountains: Millard Canyon, ca. 200 yards upstream from Southern California Edison Co. high tension line.
526
Comment
UCR99458
Cortaderia selloana
L. C. Wheeler
1972-12-21
12793
Los Angeles
San Gabriel Mtns., Millard Canyon, c. 200 yards upstream from Southern California Edison Co. high tension line
Comment
RSA738050
Cotoneaster
M. A. Sanatay
s.n.
Los Angeles
San Rafael Hills
213
Comment
CAS-BOT-BC143495
Cotoneaster pannosus
Jeannette L. Huber
1972-4-9
1219
Los Angeles
On old Cobb estate, north end of Lake Avenue, Altadena
Comment
CAS-BOT-BC143496
Cotoneaster pannosus
Jeannette L. Huber
1974-2-12
1412
Los Angeles
On old Cobb estate, north end of Lake Avenue, Altadena
Comment
CAS-BOT-BC287256
Cotula australis
Louis C. Wheeler
1973-5-12
s.n.
Los Angeles
San Gabriel Mts: Gould Mesa Picnic Ground
Comment
CDA21782
Cotula australis
L. C. Wheeler
1973-5-12
s.n.
Los Angeles
Transverse Ranges; San Gabriel Mountains region; San Gabriel Mountains: Gould Mesa Picnic Ground.
Comment
RSA624643
Cotula australis
L. C. Wheeler
1973-5-12
s.n.
Los Angeles
San Gabriel Mountains: Gould Mesa Picnic Ground.
427
Comment
UCR142952
Cotula australis
L. C. Wheeler
1936-3-8
4081
Los Angeles
San Gabriel Mtns, Millard Canyon
457
Comment
SBBG70342
Crassula connata
M. N. Ackley
1928-5-12
113
Los Angeles
Eaton Wash
365
Comment
UCR142771
Crassula connata
L. C. Wheeler
1967-4-23
9194
Los Angeles
San Gabriel Mtns, N slope of Sunset Ridge at edge of firebreak by Millard Canyon
610
Comment
RSA600786
Crassula connata var. connata
L. C. Wheeler
1948-4-26
6635
Los Angeles
Altadena. Oak Grove Park, Devil's Gate Dam.
321
Comment
OBI70867
Crassula tillaea
Louis C. Wheeler
1948-4-26
6634
Los Angeles
Altadena. Oak Grove Park, Devil's Gate Dam
305
Comment
RSA600787
Crassula tillaea
L. C. Wheeler
1948-4-26
6634
Los Angeles
Altadena. Oak Grove Park, Devil's Gate Dam.
305
Comment
RSA624462
Crassula tillaea
L. C. Wheeler
1973-5-12
s.n.
Los Angeles
San Gabriel Mountains: Arroyo Seco between El Prieto and Fern Canyon.
373
Comment
UCR142755
Crassula tillaea
L. C. Wheeler
1967-5-7
9286
Los Angeles
San Gabriel Mtns, vicinity of Coulter Reservoir, Sunset Ridge, south of Millard Canyon, north side of Sunset Ridge, northeast of reservoir
625
Comment
UCR142772
Crassula tillaea
L. C. Wheeler
1967-4-23
9193
Los Angeles
San Gabriel Mtns, N slope of Sunset Ridge at edge of firebreak by Millard Canyon
610
Comment
UCR99457
Crassula tillaea
L. C. Wheeler
1948-4-26
6634
Los Angeles
Altadena. Oak Grove Park, Devil's Gate Dam
305
Comment
JEPS31076
Crocanthemum scoparium var. vulgare
Frank W. Peirson
1919-6-12
115
Los Angeles
Mt. Lowe foothills
579
Comment
CHSC95751
Croton californicus
Joseph Marlowe Keefe
2001-1-24
31016
Los Angeles
San Rafael Mountains. East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena, California,.
250
Comment
RSA305071
Croton californicus
H. J. Ramsey, Henry J. Ramsey
1937-1-2
348
Los Angeles
Altadena, vicinity of Craig Ave.
396
Comment
RSA600261
Croton californicus
L. C. Wheeler
1947-7-11
6547
Los Angeles
San Gabriel Mtns: Millard Canyon. Mesa between Millard Canyon and Arroyo Seco.
Comment
RSA621022
Croton californicus
L. C. Wheeler
1965-12-4
s.n.
Los Angeles
San Gabriel Mountains.: Arroyo Seco, in vicinity of Pine Canyon.
Comment
RSA656867
Croton californicus
Joseph M. Keefe
2001-1-24
31016
Los Angeles
Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena.
250
Comment
SFV21139
Croton californicus
J. M. Keefe
2001-1-24
31016
Los Angeles
San Rafael Hills Pasadena. East side of Arroyo Seco, 2 m west of curb, across street from 1590 Arroyo Blvd at Howard Street.
250
Comment
UCD141990
Croton californicus
Louis C. Wheeler
1965-12-4
s.n.
Los Angeles
San Gabriel Mountains; Arroyo Seco, in vicinity of Pine Canyon.
Comment
RSA747746
Cryptantha clevelandii
Scott D. White, J. Wood, J. Miner
2009-5-12
12706
Los Angeles
Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road.
549
Comment
UCR213786
Cryptantha clevelandii
Scott D. White, Justin M. Wood, Jamie Miner
2009-5-12
12706
Los Angeles
San Gabriel Mountains, Millard Canyon, north of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lower Fire Road
707
Comment
HSC12504
Cryptantha intermedia
Wendell Wood
1970-6-24
50
Los Angeles
Angeles Crest Hwy., 6 mi. beyond intersection of Foothill Blvd.
762
Comment
UCR136844
Cryptantha intermedia
John F. Green
2003-6-24
s.n.
Los Angeles
Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory
381
Comment
RSA369507
Cryptantha micromeres
Martha Hilend
1929-5-14
s.n.
Los Angeles
Mt. Lowe.
Comment
RSA164789
Cryptantha microstachys
Wesley O. Griesel
1961-5-19
341
Los Angeles
State Hwy 2, La Canada Burn, San Gabriel Mts.
609
Comment
UCR136829
Cryptantha microstachys
John F. Green
2003-6-24
s.n.
Los Angeles
Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory
381
Comment
UC1178544
Cryptantha muricata
Peter Kamb
1947-6-1
552
Los Angeles
n slope Mt. Disappointment; San Gabriel Mts.
1554
Comment
UCSB5541
Cryptantha muricata
Wilson, Richard
1958-5-10
Los Angeles
6 miles North of Foothill Blvd. on Angeles Crest Highway
1066
Comment
RSA0104906
Cryptantha muricata var. denticulata
R. G. Swinney
2011-10-18
15842
Los Angeles
San Gabriel Mountains: 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2.
1021
Comment
UCR273293
Cryptantha muricata var. denticulata
R. G. Swinney
2011-10-18
15842
Los Angeles
San Gabriel Mountains, 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2
1021
Comment
RSA0079575
Cryptantha muricata var. muricata
Dorothy Davis
1923-4-29
s.n.
Los Angeles
La Canada.
Comment
UCR116706
Cupaniopsis anacardioides
Sharon Dougherty
2001-7-3
s.n.
Los Angeles
San Gabriel Mtns. (foothills), Pasadena, Cal Tech (Jet Propulsion Laboratory)
457
Comment
RSA682605
Cupressus arizonica
Valerie Soza, Bill Hoghead, Amber Maurice
2003-5-17
s.n.
Los Angeles
Transverse Ranges; San Gabrield Mountains region: Mount Lowe Road (2N50). From junction with Mount Wilson Road southwest to the junction with Chantry Flats Trail (2N65) above Altadena.
915
Comment
JEPS47108
Cuscuta californica
Frank W. Peirson
1918-6-28
150 a
Los Angeles
e of Rubio Canyon; San Gabriel Mts.
609
Comment
RSA802431
Cuscuta californica var. californica
Orlando Mistretta, Cher Batchelor
2011-7-27
5991
Los Angeles
Arroyo Seco Cyn drainage. Angeles Crest Hwy, near mile market no. 31.
975
Comment
RSA632513
Cuscuta pentagona
L. C. Wheeler
1965-10-6
s.n.
Los Angeles
Devil's Gate Dam, Pasadena
Comment
UCR124252
Cuscuta pentagona
L. C. Wheeler
1965-10-6
s.n.
Los Angeles
Devil's Gate Dam: Pasadena
Comment
RSA409722
Cuscuta subinclusa
Anstruther Davidson
1890-09
s.n.
Los Angeles
Millards Canon, Pasadena.
Comment
UCR207603
Cuscuta subinclusa
O. F. Clarke
2004-7-11
s.n.
Los Angeles
San Gabriel Mtns., Arroyo Seco near Pasadena
Comment
JEPS49768
Cycladenia humilis var. venusta
Joseph Andorfer Ewan
1932-6-17
7237
Los Angeles
summit Mt. Disappointment; San Gabriel Mts., Mt. Disappointment
1828
Comment
POM184711
Cycladenia humilis var. venusta
Joseph A. Ewan
1932-6-17
7237
Los Angeles
Summit Mount Disappointment, San Gabriel Mts.
1828
Comment
RSA70361
Cycladenia humilis var. venusta
Joseph A. Ewan
1932-6-17
7237
Los Angeles
Summit Mount Disappointment, San Gabriel Mts.
1828
Comment
POM307837
Cynodon dactylon
Henry J. Ramsey, Henry J. Ramsey
1938-1-9
2764
Los Angeles
Altadena.
Comment
UCR132292
Cyperus eragrostis
John F. Green
2003-7-17
s.n.
Los Angeles
San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect two
396
Comment
UCR132942
Cyperus eragrostis
Michael D. Wilcox
2003-8-30
s.n.
Los Angeles
San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Prop. Laboratory
381
Comment
RSA602966
Cyrtomium falcatum
L. C. Wheeler
1972-12-24
12797
Los Angeles
San Gabriel Mountains: near center of Las Flores Canyon.
762
Comment Read comments Apr 5 2007
UCR101201
Cyrtomium falcatum
L. C. Wheeler
1972-12-24
12797
Los Angeles
San Gabriel Mtns., center of Las Flores Canyon
762
Comment
RSA622832
Cytisus monspessulanus
L. C. Wheeler
1975-4-2
s.n.
Los Angeles
San Gabriel Mountains: Millard Canyon between Canyon Crest Road and National Forest Boundary.
Comment
RSA0103426
Datisca glomerata
R. G. Swinney
2011-10-18
15811
Los Angeles
San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy
1021
Comment
RSA431662
Datisca glomerata
Albert J. Perkins
1920-5-29
s.n.
Los Angeles
Arroyo Seco.
Comment
UCR273231
Datisca glomerata
R. G. Swinney
2011-10-18
15811
Los Angeles
San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy
1037
Comment Read comments Aug 24 2017
RSA421877
Datura wrightii
D. S. Krause
1939-07
s.n.
Los Angeles
Hillsides above La Canada
Comment
SBBG120504
Datura wrightii
R. Burgess, P. Munro
1999-6-27
3459
Ventura
El Rio area, S of jct of El Rio Drive and Town Center Drive; Oxnard
6
Comment
UCR136826
Daucus pusillus
John F. Green
2003-6-24
s.n.
Los Angeles
Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory
381
Comment
JEPS12565
Deinandra fasciculata
Frank W. Peirson
1918-6-28
236
Los Angeles
e of Rubio Canyon; San Gabriel Mountains
609
Comment
HSC12410
Delphinium cardinale
Wendell Wood
1970-6-20
16
Los Angeles
Linda Vista Rd. and Figueroa, Glendale
457
Comment
RSA394502
Delphinium cardinale
Fordyce Grinnell Jr.
1910-06
1788
Los Angeles
Long Canyon, San Gabriel Mountains.
Comment
UCR132356
Delphinium cardinale
John F. Green
2003-7-17
s.n.
Los Angeles
San Gabriel Mtns., Arroyo Seco, Pasadena, c. 1 mile north of Jet Prop. Lab., transect three
427
Comment
UCR172708
Delphinium decorum
Jun Hu, Weena Sangkatavat
2000-4-22
05
Los Angeles
Transverse Ranges; San Gabriel Mtns., Millard Canyon, 2 mi N of Altadena. First trail on the right immediately before Millard Campground
549
Comment
UCR172783
Delphinium decorum
Wayne Law, Jun Hu
2000-4-30
10
Los Angeles
Transverse Ranges; San Gabriel Mtns., Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground.
823
Comment
JEPS5902
Delphinium parryi
Frank Peirson
1918-6-1
48
Los Angeles
foothills e Rubio Canyon (n base of mts., back and slightly e of Altadena); San Gabriel Mountains
609
Comment
RSA398741
Delphinium parryi
Unspecified
s.n.
Los Angeles
Milard's Canyon [Millard Canyon].
Comment
RSA69413
Delphinium parryi subsp. parryi
F. W. Peirson
1918-6-12
48
Los Angeles
Burnt area in hills east of Rubio Canyon, San Gabriel Mountains.
Comment
CAS-BOT-BC116393
Delphinium patens subsp. hepaticoideum
John H. Thomas
1957-5-11
6750
Los Angeles
San Gabriel Mtns: About 3 miles north of La Canada near Angeles Crest Highway.
762
Comment
JEPS60584
Delphinium patens subsp. hepaticoideum
Frank W. Peirson
1918-5-19
50
Los Angeles
Millards Canyon
609
Comment
RSA149810
Delphinium patens subsp. hepaticoideum
Wesley O. Griesel
1961-4-18
s.n.
Los Angeles
Switzers Inlet, San Gabriel Mountains.
762
Comment
RSA490037
Delphinium patens subsp. hepaticoideum
Anstruther Davidson
1892-06
s.n.
Los Angeles
Altadena.
Comment
SBBG15507
Delphinium patens subsp. hepaticoideum
W. G. Webb
1935-4-17
Los Angeles
Arroyo Seco
Comment
UC639627
Delphinium patens subsp. hepaticoideum
Victor Duran
1929-6-10
2394
Los Angeles
hillsides near Echo Mountain; San Gabriel Mountains
914
Comment
UCSB1968
Delphinium patens subsp. hepaticoideum
Wedberg, Lee
1954-4-10
Los Angeles
Upper Arroyo Seco Canyon
914
Comment
UCSB1969
Delphinium patens subsp. hepaticoideum
Sage, Paul
1958-2-21
Los Angeles
Millard Canyon, 1/4 mi, below waterfall; 200 yards above stream. Altadena.
609
Comment
CAS-BOT-BC82896
Dendromecon rigida
Geo. B. Grant
1904-6-17
6300
Los Angeles
Arroyo Seco Canyon.
Comment
CHSC3676
Dendromecon rigida
Mary Mae Arthur
1966-5-26
33
Los Angeles
Switzers camp- San Gabriel Mts.
914
Comment
CHSC3730
Dendromecon rigida
Sue Boergadine
1966-5-26
Los Angeles
Switzer's Camp.
762
Comment
HSC12309
Dendromecon rigida
Wendell Wood
1970-6-24
40
Los Angeles
Angeles Crest Hwy., 6 mi. beyond intersection of Foothill Blvd.
762
Comment
JEPS51667
Dendromecon rigida
Frank W. Peirson
1919-5-21
408
Los Angeles
Arroyo Seco Canyon; San Gabriel Mountains
914
Comment
JEPS75649
Dendromecon rigida
Frank W. Peirson
1919-5-21
408
Los Angeles
Arroyo Seco Canyon; San Gabriel Mountains
914
Comment
RSA0104903
Dendromecon rigida
R. G. Swinney
2011-10-18
15836
Los Angeles
San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy.
1021
Comment
RSA433207
Dendromecon rigida
N. C. Cooper
1949-6-18
4215
Los Angeles
Angeles Crest Highway
762
Comment
RSA433213
Dendromecon rigida
Geo. L. Moxley
1915-7-19
385
Los Angeles
Arroyo Seco Canyon: ca. 1/2 mi above Switzer's Canyon
Comment
RSA433216
Dendromecon rigida
Anstruther Davidson
1892-5-3
s.n.
Los Angeles
Devil's Gate, Pasadena.
Comment
RSA433221
Dendromecon rigida
H. Wells
1968-3-17
12
Los Angeles
Angeles Natl. Forest. 7.5 miles north northeast junction of State Hwy. 118 and State Hwy. 2, on Angeles Crest Hwy.
976
Comment
RSA580961
Dendromecon rigida
Jamie Kneitel
1995-4-8
16
Los Angeles
Angeles Crest Hwy: 4.7 mi. N of Ranger Station.
279
Comment
RSA648683
Dendromecon rigida
Yvonne Rasmussen, Deborah Rasmussen
1984-5-5
32
Los Angeles
5.2 miles past [the] Pasadena on rocky cliff on left side of road as one is going up into mountains, no pull off.
Comment
RSA66283
Dendromecon rigida
F. W. Peirson
1921-3-3
4320
Los Angeles
Arroyo Seco, near Pasadena
351
Comment
UC54696
Dendromecon rigida
L. A. Greata
May, 1903
314 -316
Los Angeles
Arroyo Seco
Comment
UCR273280
Dendromecon rigida
R. G. Swinney
2011-10-18
15836
Los Angeles
San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy
1037
Comment
RSA562192
Dendromecon rigida subsp. rigida
D. Charlton
1989-4-30
2962
Los Angeles
San Gabriel Mtns. Angeles Crest Highway near Angeles Crest Station, southern boundary of the Angeles National Forest.
762
Comment
JEPS53437
Descurainia pinnata
Frank W. Peirson
1919-1-25
309
Los Angeles
Arroyo Seco; San Gabriel Mountains
381
Comment
SBBG72170
Descurainia pinnata
M. N. Ackley
1928-2-12
134
Los Angeles
Eaton Wash
365
Comment
RSA65821
Descurainia pinnata subsp. menziesii
F. W. Peirson
1918-03
1900
Los Angeles
At Altadena.
Comment
CAS-BOT-BC402260
Dicentra chrysantha
Geo. B. Grant
1904-6-26
4409
Los Angeles
Mt Lowe
Comment
CAS-BOT-BC402264
Dicentra chrysantha
F. Grinnell Jr.
1917-7-29
s.n.
Los Angeles
Upper Millards Canon [Canyon] near Mt Lowe. San Gabriel Mountains
Comment
CAS-BOT-BC402269
Dicentra chrysantha
Fordyce Grinnell, Jr.
1916-9-2
s.n.
Los Angeles
San Gabriel Mts. near Pasadena
Comment
CHSC3682
Dicentra chrysantha
Mary Mac Arthur
1966-5-26
27
Los Angeles
Switzers camp- San Gab. Mts.
914
Comment
RSA433590
Dicentra chrysantha
Anstruther Davidson
1893-6-12
s.n.
Los Angeles
Switzer's Trail.
Comment
CAS-BOT-BC209178
Dichanthelium acuminatum subsp. acuminatum
H. E. Hasse
1901-7-1
s.n.
Los Angeles
Cienega, below head of west fork San Gabriel Canyon
Comment
JEPS64192
Dichelostemma capitatum
Frank W. Peirson
1918-5-21
7
Los Angeles
Arroyo Seco San Gabriel Mts.
Comment
RSA376841
Dichelostemma capitatum subsp. capitatum
Dorothy Davis
1923-4-29
s.n.
Los Angeles
La Canada.
Comment
UCR4152
Dichelostemma capitatum subsp. capitatum
R. H. Sauer
1965-4-13
s.n.
Los Angeles
San Gabriel Mtns., along road, c. 2.5 miles into Arroyo Seco Canyon, Pasadena
427
Comment
POM307836
Digitaria sanguinalis
Henry J. Ramsey, Henry J. Ramsey
1938-1-9
2765
Los Angeles
Altadena.
Comment
POM365099
Digitaria sanguinalis
L. E. Hoffman
1932-8-16
s.n.
Los Angeles
Arroyo Seco, Angeles Forest. [San Gabriel Mountains].
Comment
UCD64091
Digitaria sanguinalis
F. W. Peirson
1917-9-1
1592
Los Angeles
1077 New York Avenue, Altadena.
Comment
SEINET13693637
Diplacus aurantiacus
G. B. Grant
1904-5-24
286
Los Angeles
Altadena.
Comment
CHSC26280
Diplacus brevipes
Dan Prettyman
1962-4-26
Los Angeles
Switzers Inlet.
914
Comment
CHSC3680
Diplacus brevipes
M. MacArthur
1966-5-26
29
Los Angeles
Switzers Camp- San Gabriel Mts.
914
Comment
OBI9422
Diplacus brevipes
Robert B. Goodrich
1962-3-26
s.n.
Los Angeles
Switzer's Inlet
914
Comment
CAS-BOT-BC150648
Diplacus longiflorus
F. Grinnell Jr.
1917-6-30
s.n.
Los Angeles
Altadena
457
Comment
PASA101
Diplacus longiflorus
Loletta Hiebert
Los Angeles
Arroyo Seco
Comment
RSA65169
Dodecahema leptoceras
F. W. Peirson
1951-1
1777
Los Angeles
Rubio Wash, Altadena
Comment Read comments Dec 17 2015
UC54699
Drymocallis glandulosa var. wrangelliana
L. A. Greata
May 1903
313
Los Angeles
Arroyo Seco
Comment
CAS-BOT-BC67908
Dryopteris arguta
unspecified
1901-4-14
3851
Los Angeles
Arroyo Seco Canyon
Comment
CAS-BOT-BC67950
Dryopteris arguta
Le Roy Abrams
1899-3-1
219
Los Angeles
Millard's Canyon
Comment
RSA0105037
Dryopteris arguta
R. G. Swinney
2011-10-18
15805
Los Angeles
San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy.
1021
Comment
RSA693697
Dryopteris arguta
L. E. Hoffman
1930-5-5
s.n.
Los Angeles
Millard's Canyon, Angeles National Forest
Comment
RSA693703
Dryopteris arguta
L. E. Hoffman
1931-11-25
s.n.
Los Angeles
Millard's Canyon, Angeles National Forest
Comment
RSA693705
Dryopteris arguta
T. S. Clare
1930-3-2
14620
Los Angeles
Oakwilde [Arroyo Seco]
Comment
SEINET13276776
Dryopteris arguta
R. G. Swinney
2011-1
15805
Los Angeles
San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy (Condor Peak 7.5' Q.) (T2N R12W)
1021
Comment Read comments Aug 24 2017
UC62808
Dryopteris arguta
Ernest Braunton
Jan. 1903
807
Los Angeles
Arroyo Seco
Comment
UCR132297
Dryopteris arguta
John F. Green
2003-7-17
s.n.
Los Angeles
San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect one
381
Comment
UCR132304
Dryopteris arguta
John F. Green
2003-7-17
s.n.
Los Angeles
San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect two
396
Comment
UCR273382
Dryopteris arguta
R. G. Swinney
2011-10-18
15805
Los Angeles
San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy
1037
Comment
CAS-BOT-BC428113
Dudleya cymosa subsp. cymosa
Geo. B. Grant
1906-6-10
6677
Los Angeles
Mt Lowe, Castle Canyon
Comment
CAS-BOT-BC428114
Dudleya cymosa subsp. cymosa
Geo. B. Grant
1904-6-27
6311
Los Angeles
Mt Lowe
Comment
RSA668078
Dudleya cymosa subsp. pumila
Michael C. Long
2001-6-5
MCL- 680
Los Angeles
San Gabriel Mountains, Eaton Canyon 100m N of Mt. Wilson Toll Road (large white bridge, on lower West side canyon walls.
390
Comment
RSA668079
Dudleya cymosa subsp. pumila
Michael C. Long
2001-6-5
MCL- 680
Los Angeles
San Gabriel Mountains, Eaton Canyon 100m N of Mt. Wilson Toll Road (large white bridge, on lower West side canyon walls.
390
Comment
RSA748849
Dudleya cymosa subsp. pumila
Scott D. White, Justin M. Wood, C. Huntley, J. Miner
2009-5-12
12690
Los Angeles
San Gabriel Mountains: Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road.
549
Comment
RSA83407
Dudleya cymosa subsp. pumila
Joseph A. Ewan
1932-7-4
7572
Los Angeles
Millard's Canyon, above the falls
Comment
UC1015160
Dudleya cymosa subsp. pumila
Reid Moran
1948-6-10
3088
Los Angeles
Arroyo Seco
914
Comment
UC1178503
Dudleya cymosa subsp. pumila
Peter Kamb
1947-5-25
531
Los Angeles
above Sunset Ridge guard station (Millard's Canyon); San Gabriel Mtns
670
Comment
UC933296
Dudleya cymosa subsp. pumila
Reid Moran
1949-5-31
3271
Los Angeles
Arroyo Seco
762
Comment
CAS-BOT-BC411390
Dudleya lanceolata
A. C. Sanders; D. Malueg
1998-6-22
22020
Los Angeles
San Gabriel Mtns.: Altadena, ca. 800 m SSW of Mt. Lowe, N end of Tanoble Dr. at Woodglen Ln. and along trail to the NE
548
Comment
RSA653257
Dudleya lanceolata
A. C. Sanders, D. Malueg
1998-6-22
22020
Los Angeles
San Gabriel Mtns.: Altadena, ca. 800 m SSW of Mt. Lowe, N end of Tanoble Dr. at Woodglen Lane, and along trail to the NE.
549
Comment
UCR111505
Dudleya lanceolata
A. C. Sanders, D. Malueg
1998-6-22
22020
Los Angeles
San Gabriel Mtns., Altadena, c. 800 m SSW of Mt. Lowe, N end of Tanoble Dr. at Woodglen Ln., and along trail to the NE
549
Comment
RSA0103474
Dysphania botrys
R. G. Swinney
2011-10-18
15809
Los Angeles
San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy
1021
Comment
UCR273270
Dysphania botrys
R. G. Swinney
2011-10-18
15809
Los Angeles
San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy
1037
Comment
UCD98815
Dysphania multifida
Louis C. Wheeler
1947-4-13
8936
Los Angeles
San Gabriel Mountains: Ridge on south side of Millard Canyon.
640
Comment
UCR132936
Echinochloa crus-galli
Michael D. Wilcox
2003-8-30
s.n.
Los Angeles
San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Prop. Laboratory
381
Comment
CAS-BOT-BC197258
Echinochloa muricata var. microstachya
J. H. Thomas
1956-9-29
6461
Los Angeles
Pasadena. Behind Devils Gate Dam
Comment
CAS-BOT-BC445603
Echinodorus berteroi
Louis C. Wheeler
1951-8-20
6835
Los Angeles
Pasadena; Devils Gate Dam.
Comment
RSA600781
Echinodorus berteroi
L. C. Wheeler
1949-6-22
6708
Los Angeles
Altadena, Devil's Gate Dam
321
Comment
RSA600782
Echinodorus berteroi
L. C. Wheeler
1949-6-22
6708
Los Angeles
Altadena, Devil's Gate Dam
321
Comment
RSA608331
Echinodorus berteroi
L. C. Wheeler
1951-8-20
6835
Los Angeles
Pasadena: Devils Gate Dam.
Comment
UCR147717
Echinodorus berteroi
L. C. Wheeler
1953-9-27
7052
Los Angeles
San Gabriel Mountains, San Gabriel Mountains: Arroyo Seco, just upstream 100 yards from Pasadena water intake
Comment
HSC12521
Ehrendorferia chrysantha
Wendell Wood
1970-6-24
48
Los Angeles
Switzer's Camp, Angeles Crest Hwy., 9 mi. beyond intersection with Foothill Blvd.
915
Comment
UCSB33704
Ehrendorferia chrysantha
Miller, Brian
1960-7-13
Los Angeles
Switzer's Inlet, San Gabriel Mountains
914
Comment
UCSB3674
Ehrendorferia chrysantha
Kamb, Peter
1947-6-9
Los Angeles
Angeles Crest highway at Ladybug Canyon, San Gabriel Mts.
1280
Comment
POM359919
Elymus elymoides subsp. elymoides
Gary D. Wallace
1979-5-26
1850
Los Angeles
San Gabriel Mountains: along Angeles Forest Highway just west of Clear Creek Ranger Station
Comment
CAS-BOT-BC206767
Elymus glaucus subsp. glaucus
Nora Pettibone; Frank W. Hubby
1896-5-28
s.n.
Los Angeles
Rubio Canyon, near Pasadena, Sierra Madre
Comment
POM305408
Emmenanthe penduliflora
Henry J. Ramsey, Henry J. Ramsey
1937-5-16
692
Los Angeles
Altadena, North Craig Avenue.
396
Comment
RSA401547
Emmenanthe penduliflora var. penduliflora
Fordyce Grinnell Jr.
1910-06
3151
Los Angeles
Switzers Trail. San Gabriel Moutains.
Comment
RSA0044684
Encelia actoni
LeRoy Gross
2012-6-17
5550
Los Angeles
Mount Wilson Road to Henninger Flats. Short distance east of the Eaton Canyon bridge.
420
Comment
UCR257216
Encelia actoni
LeRoy Gross
2012-6-17
5550
Los Angeles
Transverse Ranges; San Gabriel Mountains, Mount Wilson Road to Henninger Flats; short distance east of the Eaton Canyon Bridge
420
Comment
OBI35914
Epilobium canum
J. & B. Semple, B. Semple
1981-8-14
5595
Los Angeles
CA-2 N of La Canada Flintridge boudnary of Natl Forest (San Gabriel Mts)
Comment
UCR132295
Epilobium canum
John F. Green
2003-7-17
s.n.
Los Angeles
San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect one
381
Comment
CAS-BOT-BC166188
Epilobium canum subsp. canum
R. J. Dobbs
1924-8-6
s.n.
Los Angeles
4/5 mile north of Swetzer [Switzer] Stream Trail
Comment
CAS-BOT-BC166189
Epilobium canum subsp. canum
R. J. Dobbs
1927-7-15
s.n.
Los Angeles
Lower Arroyo
Comment
CAS-BOT-BC166207
Epilobium canum subsp. canum
F. Grinnell Jr.
1917-7-29
s.n.
Los Angeles
Mt. Lowe - San Gabriel Ridge, San Gabriel Mountains
1615
Comment
CAS-BOT-BC166217
Epilobium canum subsp. canum
Francis M. Fultz
1923-11-18
1129
Los Angeles
Millard's Canyon, San Gabriel Mts.
Comment
CAS-BOT-BC166218
Epilobium canum subsp. canum
F. Grinnell Jr.
1917-9-23
s.n.
Los Angeles
Negro [Canon] Canyon, near Pasadena - San Gabriel Mts.
Comment
CAS-BOT-BC166220
Epilobium canum subsp. canum
F. Grinnell Jr.
1908-10-8
s.n.
Los Angeles
Switzer Camp, San Gabriel Mts.
914
Comment
CAS-BOT-BC166221
Epilobium canum subsp. canum
Fordyce Grinnell
1903-12-22
9
Los Angeles
Arroyo Seco [Canon] Canyon, near Pasadena
Comment
CAS-BOT-BC166248
Epilobium canum subsp. canum
Fordyce Grinnell
1915-11-1
s.n.
Los Angeles
Echo Mts., near Pasadena
Comment
CAS-BOT-BC166257
Epilobium canum subsp. canum
F. Grinnell Jr.
1917-7-29
s.n.
Los Angeles
Upper Millards [Canon] Canyon, San Gabriel Mountains
Comment
CAS-BOT-BC166258
Epilobium canum subsp. canum
R. J. Dobbs
1927-11-11
s.n.
Los Angeles
Lower Arroyo
Comment
CAS-BOT-BC166260
Epilobium canum subsp. canum
G. L. M.
1904-9-7
281
Los Angeles
Arroyo Seco Canyon
Comment
CAS-BOT-BC166268
Epilobium canum subsp. canum
A. J. McClatchie
1893-8-16
s.n.
Los Angeles
Pasadena
Comment
CAS-BOT-BC166270
Epilobium canum subsp. canum
F. Grinnell Jr.
1917-9-23
s.n.
Los Angeles
Negro [Canon] Canyon, near Pasadena, San Gabriel Mts.
Comment
CAS-BOT-BC166276
Epilobium canum subsp. canum
J. Ewan
1929-9-21
3485
Los Angeles
Millards Canyon, 4 mi above falls, San Gabriel Mts.
1158
Comment
POM209281
Epilobium canum subsp. canum
Frank W. Johnson
1905-9-14
s.n.
Los Angeles
Rubio Farm.
610
Comment Read comments May 12 2015
POM21340
Epilobium canum subsp. canum
Fordyce Grinnell Jr.
1917-9-23
s.n.
Los Angeles
Negro Canyon near Pasadena; San Gabriel Mts.
Comment
POM305691
Epilobium canum subsp. canum
Henry J. Ramsey, Henry J. Ramsey
1937-8-29
975
Los Angeles
Altadena.
396
Comment
RSA588402
Epilobium canum subsp. canum
G. R. Johnstone
1930-9-14
s.n.
Los Angeles
Edison Rd. above Dark Canyon Calif. San Gabriel Mts.
762
Comment
RSA72101
Epilobium canum subsp. canum
F. W. Peirson
1919-10-26
4517
Los Angeles
Along Pacific Electric tracks to Rubio Canyon, San Gabriel Mts.
549
Comment
RSA72103
Epilobium canum subsp. canum
F. W. Peirson
1918-10-15
279
Los Angeles
Foot of Echo Mountain Trail to Mount Lowe and San Gabriel Range.
549
Comment
CAS-BOT-BC171920
Epilobium canum subsp. latifolium
Fordyce Grinnell
1916-9-2
s.n.
Los Angeles
Near Pasadena, San Gabriel Mts.
Comment
POM187614
Epilobium canum subsp. latifolium
Joseph A. Ewan
1929-9-21
s.n.
Los Angeles
Millards Canyon, 4 miles above falls.
Comment
POM21345
Epilobium canum subsp. latifolium
Fordyce Grinnell Jr.
1917-9-23
s.n.
Los Angeles
Negro Canyon near Pasadena; San Gabriel Mts.
Comment
RSA588441
Epilobium canum subsp. latifolium
L. E. Hoffman
1931-9-25
s.n.
Los Angeles
San Gabriel Mountains, Angeles National Forest: Dark Canyon.
Comment
UCR134332
Epilobium ciliatum
Michael D. Wilcox
2003-8-30
s.n.
Los Angeles
San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Prop. Laboratory
381
Comment
RSA802061
Epilobium ciliatum subsp. ciliatum
Orlando Mistretta, Kristie Haydu
2011-7-20
5967
Los Angeles
Arroyo Seco Canyon area. Angeles Crest Hwy near junction with Grizzly Flat Road.
902
Comment
UCR273220
Epilobium ciliatum subsp. ciliatum
R. G. Swinney
2011-10-18
15818
Los Angeles
San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy
1037
Comment
RSA381704
Epipactis gigantea
Anstruther Davidson
1893-6-12
1917
Los Angeles
Switzer's Trail
Comment
SBBG58843
Epipactis gigantea
M. N. Ackley
1927-6-5
694
Los Angeles
trail to Switzerland, waterfall area
762
Comment
UCR785
Equisetum hyemale subsp. affine
R. H. Sauer
1965-4-13
s.n.
Los Angeles
San Gabriel Mtns., Pasadena, at base of second waterfall in Pine Canyon off Arroyo Seco Canyon
457
Comment
RSA600680
Equisetum hyemale var. affine
L. C. Wheeler
1967-12-10
s.n.
Los Angeles
San Gabriel Mountains: Fern Canyon, off Arroyo Seco at Brown Mountain Road.
701
Comment
RSA684666
Equisetum hyemale var. affine
Geo C. Johnstone
1925-4-10
s.n.
Los Angeles
Mount Lowe
Comment
CAS-BOT-BC57322
Equisetum laevigatum
Samuel B. Parish
1895-11-23
3612
Los Angeles
Arroyo Seco, Pasadena
Comment
RSA684607
Equisetum laevigatum
Albert J. Perkins
1918-1-13
s.n.
Los Angeles
Switzer s Camp
Comment
UC122522
Equisetum laevigatum
Samuel B. Parish
1895-11-28
3612
Los Angeles
Arroyo Seco Pasadena
Comment
POM306343
Eremocarpus setiger
Henry J. Ramsey, Henry J. Ramsey
1937-8-12
s.n.
Los Angeles
Altadena
Comment
RSA76951
Eremocarpus setiger
F. W. Peirson
1919-10-26
2046
Los Angeles
Along Pacific Electric tracks to Rubio Canyon, San Gabriel Mts.
549
Comment
CAS-BOT-BC286888
Ericameria ericoides
A. J. McC.
1892-10-1
105
Los Angeles
Pasadena
609
Comment
CAS-BOT-BC298886
Ericameria nauseosa var. bernardina
Fordyce Grinnell
1915-9-4
s.n.
Los Angeles
Above Arroyo Seco. West Fork Divide. San Gabriel Mts
Comment
RSA0106844
Ericameria parishii
R. G. Swinney
2011-10-18
15845
Los Angeles
San Gabriel Mountains: 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2.
1021
Comment
UCR273160
Ericameria parishii
R. G. Swinney
2011-10-18
15845
Los Angeles
San Gabriel Mountains, 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2
1021
Comment
CAS-BOT-BC131649
Ericameria parishii var. parishii
R. J. Dobbs
1924-8-25
s.n.
Los Angeles
Slope of Club Peak near Switzers
Comment
CAS-BOT-BC131650
Ericameria parishii var. parishii
F. Grinnell Jr.
1908-10-8
s.n.
Los Angeles
Switzer Camp, San Gabriel Mts.
914
Comment
CAS-BOT-BC131653
Ericameria parishii var. parishii
Fordyce Grinnell
1915-9-4
s.n.
Los Angeles
Switzer's Trail, San Gabriel Mt.
1066
Comment
CAS-BOT-BC131657
Ericameria parishii var. parishii
Geo. L. Moxley
1914-9-7
275 a
Los Angeles
Trail to Switzer's camp, ridge above [Arroya] Arroyo Seco
Comment
CAS-BOT-BC293120
Ericameria pinifolia
Frank W. Peirson
1918-10-20
s.n.
Los Angeles
Rubio Wash at New York Ave., Altadena
Comment
POM359462
Ericameria pinifolia
Fordyce Grinnell Jr.
1911-06
s.n.
Los Angeles
Longs Canyon, San Gabriel Mts.
Comment
POM357474
Erigeron foliosus
Fordyce Grinnell Jr.
1910-7-22
3859
San Bernardino
San Gabriel Mts.
Comment Read comments Feb 19 2017
CAS-BOT-BC296183
Erigeron foliosus var. foliosus
F. Grinnell Jr.
1917-7-29
s.n.
Los Angeles
Mt. Lowe, San Gabriel Ridge, San Gabriel Mountains
1615
Comment
CAS-BOT-BC296197
Erigeron foliosus var. foliosus
F. Grinnell Jr.
1917-6-30
s.n.
Los Angeles
Altadena
457
Comment
CAS-BOT-BC296206
Erigeron foliosus var. foliosus
Fordyce Grinnell
1915-9-4
s.n.
Los Angeles
Above Arroyo Seco, West Fork Divide, San Gabriel Mts.
Comment
CAS-BOT-BC296256
Erigeron foliosus var. foliosus
F. Grinnell Jr.
1910-6-22
s.n.
San Bernardino
Switzer Trail, San Gabriel Mts.
1066
Comment
CAS-BOT-BC296257
Erigeron foliosus var. foliosus
F. Grinnell Jr.
1910-6-22
s.n.
San Bernardino
Switzer Trail, San Gabriel Mts.
1066
Comment
POM357476
Erigeron foliosus var. foliosus
Fordyce Grinnell Jr.
1910-7-22
s.n.
Los Angeles
Switzer's Camp
915
Comment
SJSU3878
Erigeron foliosus var. foliosus
C. W. Sharsmith
1964-1-1
7177
Los Angeles
near head of Bear Canyon (Arroyo Seco drainage), San Gabriel Mountains
1371
Comment
CHSC3679
Eriodictyon
Mary MacArthur
1966-5-26
30
Los Angeles
Switzers Camp, San Gabriel Mountains.
91
Comment
CHSC3729
Eriodictyon
Sue Boergadine
1966-5-26
Los Angeles
Switzer's Camp.
762
Comment
A402805
Eriodictyon crassifolium
J. G. Jack
1907-7-13
Unknown
Las Casetas Canon, Pasadena
Comment
GH402804
Eriodictyon crassifolium
G. B. Grant
1901-1-1
417
Unknown
Mt. Lowe
Comment
LA205562
Eriodictyon crassifolium
Carl Epling;
May 1925
sn
Los Angeles
Arroyo Seco
Comment
CAS-BOT-BC189111
Eriodictyon crassifolium var. crassifolium
Geo. B. Grant
1901-3-24
s.n.
Los Angeles
Rubio Wash
Comment
CAS-BOT-BC189112
Eriodictyon crassifolium var. crassifolium
Geo. B. Grant
1904-5-5
6191
Los Angeles
Arroya Seco
Comment
CAS-BOT-BC376122
Eriodictyon crassifolium var. crassifolium
Marck Menke
2002-3-29
134
Los Angeles
San Gabriel Mts., Angeles Crest Highway (Hwy. 2) at a pullout southeast of the intersection with Angeles Forest Highway
Comment
CAS-BOT-BC376584
Eriodictyon crassifolium var. crassifolium
Marck Menke
2002-3-29
135
Los Angeles
San Gabriel Mts., Angeles Crest Highway (Hwy. 2) at a pullout southeast of the intersection with Angeles Forest Highway
Comment
RSA454996
Eriodictyon crassifolium var. crassifolium
L. E. Hoffman
1926-3-18
s.n.
Los Angeles
Arroyo Seco
Comment
RSA455000
Eriodictyon crassifolium var. crassifolium
L. E. Hoffman
1931-11-9
s.n.
Los Angeles
San Gabriel Mountains: Millards Canyon, Angeles National Forest.
Comment
RSA711111
Eriodictyon crassifolium var. crassifolium
Tim Thibault, K. E. Olshewsky
2004-5-22
266
Los Angeles
fire road off Hwy. 2
910
Comment
CAS-BOT-BC189156
Eriodictyon crassifolium var. nigrescens
J. H. Thomas
1957-5-11
6757
Los Angeles
San Gabriel Mountains, about 4.5 miles N of La Canada
975
Comment
CAS-BOT-BC189168
Eriodictyon crassifolium var. nigrescens
Geo. B. Grant
1901-1-1
417
San Luis Obispo
Mount Lowe
Comment
CAS-BOT-BC189191
Eriodictyon crassifolium var. nigrescens
R. J. Dobbs
1927-4-19
s.n.
Los Angeles
2 miles below Switzers old trail, San Gabriel Mountains
822
Comment
CAS-BOT-BC189192
Eriodictyon crassifolium var. nigrescens
R. J. Dobbs
1927-6-7
s.n.
Los Angeles
1.5 mile below Switzers old trail, San Gabriel Mountains
Comment
JEPS37
Eriodictyon crassifolium var. nigrescens
Frank W. Peirson
1918-5-19
171
Los Angeles
Echo Mountain; San Gabriel Mountains, Echo Mountain
990
Comment
POM155610
Eriodictyon crassifolium var. nigrescens
P. A. Munz
1927-1
41
Los Angeles
Mt. Lowe.
Comment
RSA454993
Eriodictyon crassifolium var. nigrescens
Fordyce Grinnell Jr.
1916-03
s.n.
Los Angeles
Arroyo Seco Canyon
Comment
RSA455003
Eriodictyon crassifolium var. nigrescens
Fordyce Grinnell Jr.
1910-06
s.n.
Los Angeles
Long Canyon, San Gabriel Mountains.
Comment
RSA607711
Eriodictyon crassifolium var. nigrescens
Louis C. Wheeler
1947-7-11
6546
Los Angeles
San Gabriel Mountains: Millard Canyon. Mesa between Millard Canyon and Arroyo Seco.
442
Comment
RSA747738
Eriodictyon crassifolium var. nigrescens
Scott D. White, J. Wood, C. Huntley, J. Miner
2009-5-12
12693
Los Angeles
San Gabriel Mountains: Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road.
549
Comment
RSA753995
Eriodictyon crassifolium var. nigrescens
Doug Tolbert
1970-5-8
700508 -04
Los Angeles
Angeles National Forest, road to Switzer s Camp, 200 yards from junction with State Route 2
1098
Comment
RSA77239
Eriodictyon crassifolium var. nigrescens
F. W. Peirson
1918-5-19
171
Los Angeles
north of Dawn Station on trail to Dawn Mine, Millards Canyon
Comment
CAS-BOT-BC188950
Eriodictyon parryi
Geo. B. Grant
1904-6-26
4266
Los Angeles
[Mount Lowe?]
Comment
CAS-BOT-BC188951
Eriodictyon parryi
G. B. Grant
1901-5-23
11761
Los Angeles
Above Alpine Tavern, Mount Lowe
1584
Comment
CAS-BOT-BC188958
Eriodictyon parryi
E. M. Zeile
1924-6-18
s.n.
Los Angeles
Mount Lowe, belove mule-car track
Comment
SBBG65108
Eriodictyon parryi
M. N. Ackley
1927-6-5
388
Los Angeles
trail to Switzerland
Comment
CAS-BOT-BC214385
Eriodictyon trichocalyx
Fordyce Grinnell
1915-9-4
s.n.
San Bernardino
Upper Arroyo Seco Canon [Canyon], San Gabriel Mts.
Comment
GH402922
Eriodictyon trichocalyx
J. F. Collins
1918-4-16
Unknown
above Alpine Tavern, Mt. Lowe
Comment
JEPS63
Eriodictyon trichocalyx
F. W. Peirson
1918-6-10
169
Los Angeles
Mt. Lowe
1584
Comment
RSA669975
Eriodictyon trichocalyx
Joseph M. Keefe
1977-6-6
22025
Los Angeles
Angeles Crest Highway, 0.9 mile west of turnoff to Red Box Ranger Station, north of Pasadena, San Gabriel Mountains.
1250
Comment
SFV16065
Eriodictyon trichocalyx
P. A. Krueger
1994-5-18
36
Los Angeles
San Gabriel Mountains 5.5 miles north on Mount Lowe Truck Trail from Chaney Trail.
900
Comment
CAS-BOT-BC219333
Eriodictyon trichocalyx var. trichocalyx
Vernon Bailey
1907-9-25
s.n.
Los Angeles
Mt. Lowe
1524
Comment
RSA455076
Eriodictyon trichocalyx var. trichocalyx
Robert Gustafson
1963-5-17
s.n.
Los Angeles
ca 3 mi southwest of the Mt. Wilson turnoff on Angeles Crest Hwy.
1585
Comment
RSA639153
Eriodictyon trichocalyx var. trichocalyx
Louis C. Wheeler
1973-7-21
s.n.
Los Angeles
San Gabriel Mountains: Ridge on divide between Big Tujunga and Devil Canyon 0.2 mile north of windy gap on Angeles Crest Highway.
1616
Comment
UCD119326
Eriodictyon trichocalyx var. trichocalyx
Louis C. Wheeler
1973-7-21
s.n.
Los Angeles
San Gabriel Mountains: Ridge on divide between Big Tujunga and Devil Canyon 0.2 mile north of windy gap on Angeles Crest Highway.
Comment
RSA766427
Eriogonum elongatum
Raymond J. Dobbs
1927-8-20
s.n.
Los Angeles
[Switzers?]
Comment
RSA782014
Eriogonum elongatum
Elizabeth A. Kempton, Eric Paul
2006-8-11
441
Los Angeles
Angeles National Forest. Along Hwy. 2 at turnout
719
Comment
UCR245425
Eriogonum elongatum
Elizabeth A. Kempton, Eric Paul
2006-8-11
441
Los Angeles
San Gabriel Mountains, Angeles National Forest, along Hwy 2 at turnout
719
Comment
CAS-BOT-BC249763
Eriogonum elongatum var. elongatum
F. Grinnell Jr.
1917-9-23
s.n.
Los Angeles
Negro Canon [Canyon], near Pasadena, San Gabriel Mts.
Comment
RSA393488
Eriogonum elongatum var. elongatum
L. E. Hoffman
1931-11-5
s.n.
Los Angeles
Millard's Canyon, Angeles National Forest, San Gabriel Mountains.
Comment
RSA65159
Eriogonum elongatum var. elongatum
F. W. Peirson
1919-10-26
19
Los Angeles
Along Pacific Electric tracks to Rubio Canyon, San Gabriel Mts.
549
Comment
A364032
Eriogonum fasciculatum
J. G. Jack
1907-7-13
Unknown
Pasadena, Las Casetas Canon
Comment
GH364020
Eriogonum fasciculatum
Mrs. T. C. Pease
1910-5-10
Unknown
Mt. Lowe
Comment
LA206778
Eriogonum fasciculatum
M. Zaitlin;
1951-3-17
sn
Los Angeles
San Gabriel Mountains, Angeles Crest Highway
761
Comment
POM305240
Eriogonum fasciculatum
Henry J. Ramsey, Henry J. Ramsey
1937-5-27
566
Los Angeles
Altadena, north Craig Ave.
Comment
RSA0035189
Eriogonum fasciculatum
Geraldine Dodd
1992-5-2
4
Los Angeles
3.5 miles north of corner of Loma Alta Dr. and Lake Ave. in Altadena. Sam Merrill hiking trail. San Gabriel Mts.
1219
Comment
CAS-BOT-BC249932
Eriogonum fasciculatum var. foliolosum
F. Grinnell Jr.
1917-6-30
s.n.
Los Angeles
Altadena
457
Comment
HSC12475
Eriogonum fasciculatum var. foliolosum
Wendell Wood
1970-6-20
14
Los Angeles
Linda Vista Rd. and Figueroa, Glendale
457
Comment
JEPS56972
Eriogonum fasciculatum var. foliolosum
Frank W. Peirson
1919-1-26
305
Los Angeles
Rubio Canyon San Gabriel Mountains, Rubio Canyon
548
Comment
POM305047
Eriogonum fasciculatum var. foliolosum
Henry J. Ramsey, Henry J. Ramsey
1937-1-15
375
Los Angeles
Altadena.
396
Comment
POM306179
Eriogonum fasciculatum var. foliolosum
Henry J. Ramsey, Henry J. Ramsey
1937-9-2
s.n.
Los Angeles
Angeles Crest Highway: Johnny Canyon.
Comment
POM306265
Eriogonum fasciculatum var. foliolosum
Henry J. Ramsey, Henry J. Ramsey
1938-1-1
1413
Los Angeles
North Craig Ave., Altadena.
Comment
POM306282
Eriogonum fasciculatum var. foliolosum
Henry J. Ramsey, Henry J. Ramsey
1938-5-22
1396
Los Angeles
North Craig Ave., Altadena.
Comment
POM306342
Eriogonum fasciculatum var. foliolosum
Henry J. Ramsey, Henry J. Ramsey
1937-8-23
1424
Los Angeles
Altadena.
Comment
RSA0106499
Eriogonum fasciculatum var. foliolosum
R. G. Swinney
2011-10-18
15835
Los Angeles
San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy.
1021
Comment
RSA329666
Eriogonum fasciculatum var. foliolosum
Gary D. Wallace
1966-3-25
227
Los Angeles
San Gabriel Mountains: Millard Canyon 5 miles north of Pasadena.
915
Comment
RSA393405
Eriogonum fasciculatum var. foliolosum
Adele G. Axtman
1931-7-15
s.n.
Los Angeles
Low hillside near Devil's Gate Dam, Pasadena
Comment
RSA393410
Eriogonum fasciculatum var. foliolosum
D. S. Krause
1939-07
s.n.
Los Angeles
Roadside, La Canada
Comment
RSA393416
Eriogonum fasciculatum var. foliolosum
Fordyce Grinnell Jr.
1910-06
1469
Los Angeles
Long Canyon, San Gabriel Mountains.
Comment
RSA393419
Eriogonum fasciculatum var. foliolosum
L. E. Hoffman
1931-11-5
s.n.
Los Angeles
Millard's Canyon, Angeles National Forest, San Gabriel Mountains.
Comment
RSA65147
Eriogonum fasciculatum var. foliolosum
Raymond J. Dobbs
1924-6-30
5387
Los Angeles
San Gabriel Mountains: 1/4 mile above Switzers Camp
930
Comment
RSA65151
Eriogonum fasciculatum var. foliolosum
F. W. Peirson
1919-1-26
305
Los Angeles
San Gabriel Mountains: Rubio Reservoir, foot of Rubio Canyon
549
Comment
RSA656866
Eriogonum fasciculatum var. foliolosum
Joseph M. Keefe
2001-1-24
31017
Los Angeles
Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena.
250
Comment
SEINET6418476
Eriogonum fasciculatum var. foliolosum
T. Reeves, S. Jordan
1975-5-18
2653
Los Angeles
San Gabriel Mts. , 1.4 miles NE of La Canada on Highway 2
Comment
UC1601627
Eriogonum fasciculatum var. foliolosum
Miss E. D. Palmer
1905-1-29
Los Angeles
Arroyo Seco
Comment
UCD99995
Eriogonum fasciculatum var. foliolosum
Natalie deGarder
1992-5-30
14
Los Angeles
Altadena, 1.5 miles from Highway 210 up Lincoln Road to top of Rising Hill Road.
588
Comment
UCR273219
Eriogonum fasciculatum var. foliolosum
R. G. Swinney
2011-10-18
15835
Los Angeles
San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy
1037
Comment
UCSB27667
Eriogonum fasciculatum var. foliolosum
Lavinger, S.
1975-10-6
Los Angeles
Angeles Crest Highway .3 miles north of Angeles Crest Ranger Station. San Gabriel Mountains
762
Comment
A364160
Eriogonum fasciculatum var. polifolium
F. Grinnell, Jr.
1917-6-30
Unknown
Altadena
457
Comment
CAS-BOT-BC250104
Eriogonum fasciculatum var. polifolium
W. R. Dudley
1899-7-22
s.n.
Los Angeles
Mt. Lowe, San Gabriel Mts
Comment
CAS-BOT-BC250118
Eriogonum fasciculatum var. polifolium
Geo. B. Grant
1904-6-26
3412
Los Angeles
Mt. Lowe
Comment
RSA393457
Eriogonum fasciculatum var. polifolium
Fordyce Grinnell Jr.
1910-06
1520
Los Angeles
Switzers Trail. San Gabriel Moutains.
Comment
RSA393463
Eriogonum fasciculatum var. polifolium
N. C. Cooper
1949-6-18
4209
Los Angeles
Angeles Crest Highway, San Gabriel Mountains
1220
Comment
UCSB12954
Eriogonum fasciculatum var. polifolium
Suter, Richard
1961-3-30
Los Angeles
.5 miles east of the Old Toll Road Bridge north of Pasadena; in center of Eaton Wash
274
Comment
CAS-BOT-BC253458
Eriogonum gracile
F. Grinnell Jr.
1917-9-23
s.n.
Los Angeles
Negro Canyon, near Pasadena, San Gabriel Mts.
Comment
POM306339
Eriogonum gracile var. gracile
Henry J. Ramsey, Henry J. Ramsey
1937-8-23
1421
Los Angeles
Altadena.
Comment
CAS-BOT-BC267625
Eriogonum saxatile
W. R. Dudley
1899-7-20
s.n.
Los Angeles
Mt. Lowe
Comment
RSA766270
Eriogonum saxatile
Joseph A. Ewan
1932-6-17
7254
Los Angeles
Summit Mount Disappointment, San Gabriel Mts.
1829
Comment
UC1863862
Eriogonum saxatile
G. B. Grant
1907-6-25
5069
Los Angeles
Mt. Lowe
Comment
CAS-BOT-BC297912
Eriophyllum confertiflorum
Geo. B. Grant
1902-6-26
4162
Los Angeles
Mt Lowe
Comment
CAS-BOT-BC297952
Eriophyllum confertiflorum
Geo. B. Grant
1904-6-26
4162
Los Angeles
Mt Lowe
Comment
CAS-BOT-BC297960
Eriophyllum confertiflorum
F. Grinnell Jr.
1917-6-30
s.n.
Los Angeles
Altadena
457
Comment
HSC12333
Eriophyllum confertiflorum
Wendell Wood
1970-6-21
21
Los Angeles
Linda Vista Rd. and Figueroa, Glendale
457
Comment
POM183627
Eriophyllum confertiflorum
Joseph A. Ewan
1929-5-18
3422
Los Angeles
Las Flores Canyon
Comment
POM357928
Eriophyllum confertiflorum
Norman C. Cooper
1949-6-18
4213
Los Angeles
Angeles Crest Highway
915
Comment
RSA659993
Eriophyllum confertiflorum
Mary C. Hunter
1994-5-28
0034
Los Angeles
Off Angeles Crest Hwy, West of highway heading North; Road marked 2647; Pasadena
457
Comment
RSA660197
Eriophyllum confertiflorum
Yvonne Rasmussen, Deborah Rasmussen
1984-5-5
7
Los Angeles
3.8 miles from Pasadena city limits sign, on Angeles Crest Highway.
Comment
RSA695683
Eriophyllum confertiflorum
Anonymous
s.n
Los Angeles
Milard's Canyon [Millard Canyon].
Comment
SFV16699
Eriophyllum confertiflorum
P. Wilson, J. M. Albert
1996-6-12
3434
Los Angeles
San Gabriel Mountains Off Highway 2 and mile marker 29.13.
823
Comment
UCD132154
Eriophyllum confertiflorum
J. E. Law
1923-4-3
247
Los Angeles
Altadena.
Comment
JEPS34717
Eriophyllum confertiflorum var. confertiflorum
F. W. Peirson
1918-6-28
239
Los Angeles
foot-hills e Rubio Canyon; San Gabriel Mts.
609
Comment
RSA753999
Eriophyllum confertiflorum var. confertiflorum
Anonymous
670604
Los Angeles
San Gabriel Mts., Angeles National Forest, Switzers campground
1006
Comment
UC1080189
Eriophyllum confertiflorum var. confertiflorum
Sherwin Carlquist
1955-4-5
338
Los Angeles
hills above San Rafael Avenue; Pasadena, Flintridge
Comment
RSA600554
Erodium botrys
Louis C. Wheeler
1959-5-26
7534
Los Angeles
San Gabriel Mountains: Confluence of Arroyo Seco and Prieto Canyon.
Comment
RSA656865
Erodium botrys
Joseph M. Keefe
2001-1-24
31019
Los Angeles
Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena.
250
Comment
UCR231796
Erodium brachycarpum
Darren T. Hasegawa
2007-6-1
s.n.
Los Angeles
San Gabriel Mtns., Pasadena, Devils Gate Reservoir, c. 0.5 mi. east of 210 Fwy
320
Comment
UCR99464
Erodium brachycarpum
L. C. Wheeler
1948-4-26
6636
Los Angeles
Altadena. Canyon Crest Drive and Lincoln Avenue.
402
Comment
RSA70491
Erodium cicutarium
F. W. Peirson
1919-2-28
2022
Los Angeles
At Frank Peirson residence, 1085 New York Drive, Altadena
Comment
UCR95470
Erodium cicutarium
L. C. Wheeler
1967-3-3
9170
Los Angeles
San Gabriel Mtns., Sunset Ridge, west of Chaney Trail
Comment
RSA70496
Erodium macrophyllum
F. W. Peirson
1918-5-5
2024
Los Angeles
along road to [Brents] on the Malibu, Santa Monica Mts.
Comment Read comments Jun 21 2018
RSA592167
Erodium moschatum
Louis C. Wheeler
1967-5-7
9292
Los Angeles
San Gabriel Mountains. Vicinity of Coulter Reservoir, Sunset Ridge, south of Millard Canyon.
655
Comment
RSA70493
Erodium moschatum
F. W. Peirson
1919-2-28
2023
Los Angeles
At Frank Peirson residence, 1085 New York Drive, Altadena
Comment
SFV21138
Erodium moschatum
J. M. Keefe
2001-1-24
31019
Los Angeles
San Rafael Hills Pasadena. East side of Arroyo Seco, 2 m west of curb, across street from 1590 Arroyo Blvd at Howard Street.
250
Comment
UC455741
Erysimum capitatum
I. J. Condit
1907-1-3
Los Angeles
Mt. Lowe Pasadena
Comment
UC50330
Erysimum capitatum
H. M. Hall
Apr. 1903
3744
Los Angeles
Arroyo Seco
Comment
GH379533
Erysimum capitatum var. angustatum
C. C. Kingman
1910-2-2
Unknown
Las Flores Canyon, San Gabriel Mts.
Comment
JEPS53579
Erysimum capitatum var. capitatum
Frank W. Peirson
1919-3-27
337
Los Angeles
Arroyo Seco Canyon San Gabriel Mountains
411
Comment
POM307852
Erysimum capitatum var. capitatum
Henry J. Ramsey, Henry J. Ramsey
1938-3-5
2722
Los Angeles
North Craig Ave., Altadena
Comment
UCR4158
Erysimum capitatum var. capitatum
R. H. Sauer
1965-4-13
s.n.
Los Angeles
San Gabriel Mtns, Pasadena, Arroyo Seco Canyon, along road c. 2.5 miles into the canyon
426
Comment
UCSB2326
Erysimum capitatum var. capitatum
Sage, Paul
1959-3-1
Los Angeles
1 mile below end of Chainy Trail in Millard Canyon, Altadena
609
Comment
UCSB2329
Erysimum capitatum var. capitatum
Decker, Helen
1946-4-14
Los Angeles
NE slope of Arroyo Seco Cyn., San Gabriel Mtns., Switzer's Camp
975
Comment
UCSB2332
Erysimum capitatum var. capitatum
Wedberg, Lee
1954-3-1
Los Angeles
Millard Canyon, San Gabriel Mtns.
457
Comment
RSA66735
Eschscholzia caespitosa subsp. caespitosa
F. W. Peirson
1951-1
1888
Los Angeles
Arroyo Seco, near Switzer's Trail, south slope of San Gabriel Mts.
Comment
CAS-BOT-BC403178
Eschscholzia californica
Geo. B. Grant
1904-5-5
6199
Los Angeles
Arroyo Seco Canyon
Comment
HSC12464
Eschscholzia californica
Wendell Wood
1970-6-24
47
Los Angeles
Switzer's Camp, Angeles Crest Hwy., 9 mi. beyond intersection with Foothill Blvd.
915
Comment
UC72726
Eschscholzia californica
Pupils of Los Angeles High School
June 1902
Los Angeles
Altadena
Comment
RSA604202
Eucalyptus camaldulensis
Louis C. Wheeler
1972-5-25
s.n.
Los Angeles
Cobb Estate.
Comment
RSA682604
Eucalyptus pulverulenta
Valerie L. Soza, Bill Hoghead, Amber Maurice
2003-5-17
s.n.
Los Angeles
Mount Lowe Road (2N50). From junction with Mount Wilson Road southwest to the junction with Chantry Flats Trail (2N65) above Altadena; (Mt. Wilson).
915
Comment
UC1929778
Eucalyptus pulverulenta
Valerie Soza, Bill Hogshead, Amber Maurice
2003-5-17
s.n.
Los Angeles
Transverse Ranges; San Gabriel Mountains region; Mount Lowe Road (2N50). From junction with Mount Wilson Road southwest to the junction with Chantry Flats Trail (2N65) above Altadena; (Mt. Wilson); elev. 915-1555m/3000-5100ft
Comment
RSA604201
Eucalyptus rudis
Louis C. Wheeler
1972-5-25
s.n.
Los Angeles
Cobb Estate.
Comment
LA209963
Eucrypta chrysanthemifolia var. chrysanthemifolia
Carl Epling;
May 1925
Los Angeles
Arroyo Seco
Comment
JEPS31736
Eulobus californicus
Frank W. Peirson
1919-3-27
349
Los Angeles
hills w Arroyo Seco; San Gabriel Mountains
426
Comment
RSA599733
Eupatorium adenophorum
L. C. Wheeler
1967-12-10
s.n.
Los Angeles
San Gabriel Mountains: Fern Canyon, off Arroyo Seco at Brown Mountain Road.
701
Comment
RSA747753
Euphorbia dendroides
Scott D. White, Justin M. Wood, C. Huntley, J. Miner
2009-5-12
12685
Los Angeles
San Gabriel Mountains: Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road.
549
Comment
UCR213793
Euphorbia dendroides
Scott D. White, Justin M. Wood, Chris Huntley, Jamie Miner
2009-5-12
12685
Los Angeles
San Gabriel Mountains, Millard Canyon, north of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lower Fire Road
707
Comment
RSA601709
Euphorbia maculata
L. C. Wheeler
1967-10-23
s.n.
Los Angeles
San Gabriel Mountains: Angeles Crest Highway at North Fork Dark Canyon.
891
Comment
RSA600755
Euphorbia peplus
L. C. Wheeler
1967-6-16
9850
Los Angeles
San Gabriel Mountains: North side of Sunset Ridge, south of Millard Canyon.
640
Comment
RSA631085
Euphorbia peplus
L. C. Wheeler
1947-4-13
6464
Los Angeles
San Gabriel Mountains;: Sunset Ridge on south side of Millard Canyon.
640
Comment
RSA632014
Euphorbia peplus
L. C. Wheeler
1973-4-9
s.n.
Los Angeles
San Gabriel Mountains: Millard Canyon, just up stream from national forest boundary.
Comment
RSA656864
Euphorbia peplus
Joseph M. Keefe
2001-1-24
31020
Los Angeles
Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena.
250
Comment
SD215498
Euphorbia peplus
Louis C. Wheeler
1947-4-13
6464
Los Angeles
San Gabriel Mountains: Sunset Ridge on south side of Millard Canyon.
640
Comment
UCR132317
Euphorbia peplus
John F. Green
2003-7-17
s.n.
Los Angeles
San Gabriel Mtns., Arroyo Seco, Pasadena, c. 1 mile north of Jet Prop. Lab., transect three
427
Comment
UCD142793
Euphorbia serpillifolia
Louis C. Wheeler
1967-6-16
9858
Los Angeles
San Gabriel Mountains. Millard Canyon. North side of Sunset Ridge under power line.
579
Comment
SD230134
Festuca californica
Louis C. Wheeler
1972-5-21
Los Angeles
San Gabriel Mountains: Millard Canyon, just inside National Forest Boundary.
Comment
UCR101239
Festuca californica
L. C. Wheeler
1972-5-21
s.n.
Los Angeles
San Gabriel Mtns., MIllard Canyon, just inside National Forest Boundary
Comment
RSA605899
Ficus carica
Louis C. Wheeler
1968-10-27
s.n.
Los Angeles
San Gabriel Mtns.: Millard Canyon at about the National Forest Boundary.
Comment
RSA747740
Ficus carica
Scott D. White, J. Wood, C. Huntley, J. Miner
2009-5-12
12691
Los Angeles
San Gabriel Mountains: Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road.
549
Comment
UCR132350
Ficus carica
John F. Green
2003-7-17
s.n.
Los Angeles
San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect one
381
Comment
RSA594590
Filago gallica
L. C. Wheeler
1967-5-7
9294
Los Angeles
San Gabriel Mountains. Vicinity of Coulter Reservoir, Sunset Ridge, south of Millard Canyon.
640
Comment
UCR136843
Filago gallica
John F. Green
2003-6-24
s.n.
Los Angeles
Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory
381
Comment
RSA80363
Foeniculum vulgare
F. W. Peirson
1920-6-22
2164
Los Angeles
Fruiting branch from New York Drive, Altadena
Comment
A425882
Frangula californica
J. G. Jack
1907-7-12
Unknown
Pasadena, Millard's Canon
Comment
HSC12476
Frangula californica
Wendell Wood
1970-6-24
46
Los Angeles
Switzer's Camp, Angeles Crest Hwy., 9 mi. beyond intersection with Foothill Blvd.
915
Comment
LA207722
Frangula californica
Carl Epling;
May 1926
sn
Los Angeles
Arroyo Seco
Comment
SEINET7417481
Frangula californica
W. Griesel
1963-4-26
768
Los Angeles
ca. 0.5 mi SE of Devils Gate Dam, Pasadena
366
Comment
CAS-BOT-BC52541
Frangula californica subsp. californica
Le Roy Abrams
1901-4-7
1427
Los Angeles
Arroyo Seco - above Devil's Gate, Pasadena
Comment
CAS-BOT-BC52558
Frangula californica subsp. californica
Fordyce Grinnell, Jr.
1916-9-2
s.n.
Los Angeles
San Gabriel Mts. - near Pasadena
Comment
CAS-BOT-BC52568
Frangula californica subsp. californica
R. S. Woglum
1934-6-15
s.n.
Los Angeles
Altadena
Comment
SBBG71291
Frangula californica subsp. californica
M. N. Ackley
1928-2-12
931
Los Angeles
Eaton Wash
381
Comment
SEINET7417528
Frangula californica subsp. californica
Unknown
1904-1
1114
Los Angeles
Pasadena
Comment
CAS-BOT-BC53323
Frangula californica subsp. cuspidata
W. R. Dudley
1899-7-22
s.n.
Los Angeles
Mt. Lowe, San Gabriel Mts.
Comment
RSA0106487
Frangula californica subsp. cuspidata
R. G. Swinney
2011-10-18
15825
Los Angeles
San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy.
1021
Comment
UCR273228
Frangula californica subsp. cuspidata
R. G. Swinney
2011-10-18
15825
Los Angeles
San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy
1037
Comment Read comments Aug 24 2017
RSA464907
Fraxinus dipetala
Luellapearl Hammer
1929-05
s.n.
Los Angeles
Arroyo Canyon
Comment
POM308321
Fremontodendron mexicanum
H. J. Ramsey
1937-7-12
3062
Los Angeles
Altadena, dry mesa.
Comment
CAS-BOT-BC304323
Galinsoga parviflora
F. W. Peirson
1931-4-11
9375
Los Angeles
1077 New York Ave, Altadena
Comment
CAS-BOT-BC304324
Galinsoga parviflora
F. W. Peirson
1931-4-11
9375
Los Angeles
1077 New York Ave, Altadena
Comment
UCR18427
Galinsoga parviflora
O. F. Clarke
1977-1-30
s.n.
Los Angeles
San Gabriel Mtns. Foothills, Pasadena [Altadena], north end of Lake Ave.
Comment
POM358609
Galinsoga parviflora var. parviflora
F. W. Peirson
1931-4-11
9375
Los Angeles
1077 New York Avenue, Altadena.
Comment
UC447161
Galinsoga parviflora var. parviflora
J. Ewan
1931-4-12
4162
Los Angeles
Peirson's residence Altadena (back yard)
Comment
UC501447
Galinsoga parviflora var. parviflora
Frank W. Peirson
1931-4-11
9375
Los Angeles
1077 New York Avenue Altadena
Comment
CHSC3677
Galium angustifolium
Mary MacArthur
1966-5-26
32
Los Angeles
Sivrtzers camp - San Gabriel Mts.
914
Comment
UCD121578
Galium angustifolium
A. C. Sanders; D. Malueg
1998-6-22
22021
Los Angeles
San Gabriel Mtns.: Altadena, ca. 800 m SSW of Mt. Lowe, N end of Tanoble Dr. at Woodglen Ln., and along trail to the NE.
549
Comment
UCR111504
Galium angustifolium
A. C. Sanders, D. Malueg
1998-6-22
22021
Los Angeles
San Gabriel Mtns., Altadena, c. 800 m SSW of Mt. Lowe, N end of Tanoble Dr. at Woodglen Ln., and along trail to the NE
549
Comment
POM367672
Galium angustifolium subsp. angustifolium
L. E. Hoffman
s.n.
Los Angeles
Millard's Canyon, Angeles Forest.
Comment Read comments Jan 1 2017
POM367677
Galium angustifolium subsp. angustifolium
Fordyce Griffiths Jr.
1910-06
s.n.
Los Angeles
Switzers Trail. San Gabriel Moutains.
Comment
RSA654867
Galium angustifolium subsp. gabrielense
A. C. Sanders, D. Malueg
1998-6-22
22026
Los Angeles
San Gabriel Mtns.: Altadena, ca. 800 m SSW of Mt. Lowe, N end of Tanoble Dr. at Woodglen Lane, and along trail to the NE.
549
Comment
UCD121589
Galium angustifolium subsp. gabrielense
A. C. Sanders; D. Malueg
1998-6-22
22026
Los Angeles
San Gabriel Mts.: Altadena, ca. 800 m SSW of Mt. Lowe, N end of Tanoble Dr. at Woodglen Ln, and along trail to the NE.
549
Comment
UCR111501
Galium angustifolium subsp. gabrielense
A. C. Sanders, D. Malueg
1998-6-22
22026
Los Angeles
San Gabriel Mtns., Altadena, c. 800 m SSW of Mt. Lowe, N end of Tanoble Dr. at Woodglen Ln., and along trail to the NE
549
Comment
GH385641
Galium aparine
L. E. Hoffman
5-13-
Unknown
Millard's Canyon, Angeles Forest
Comment Read comments Jan 1 2017
POM367618
Galium aparine
L. E. Hoffman
s.n.
Los Angeles
Millard's Canyon, Angeles Forest.
Comment Read comments Jan 1 2017
POM367751
Galium aparine
L. E. Hoffman
s.n.
Los Angeles
Millard's Canyon, Angeles Forest.
Comment Read comments Jan 1 2017
RSA652666
Galium aparine
Richard L. Herrin
1948-3-29
s.n.
Los Angeles
In Fern Canyon off Arroyo Seco above Devil's Gate Dam. Altadena.
Comment
UCR4189
Galium aparine
R. H. Sauer
1965-4-13
s.n.
Los Angeles
San Gabriel Mtns., along road, about 1/2 mi north of gauging station in Arroyo Seco Canyon. Pasadena
427
Comment
POM183470
Galium cliftonsmithii
Joseph A. Ewan
1929-5-18
1251
Los Angeles
Las Flores Canyon
Comment Read comments May 15 2009
CAS-BOT-BC217511
Galium grande
A. J. McC
1893-7-29
120
Los Angeles
Pasadena
1219
Comment
UCR111735
Galium murale
A. C. Sanders, D. Malueg
1998-6-22
22019
Los Angeles
San Gabriel Mtns., Altadena, c. 800 m SSW of Mt. Lowe, N end of Tanoble Dr. at Woodglen Ln., and along trail to the NE
549
Comment
RSA601632
Gamochaeta pensylvanica
L. C. Wheeler
1967-6-16
9851
Los Angeles
San Gabriel Mountains: North side of Sunset Ridge, south of Millard Canyon.
640
Comment
RSA601633
Gamochaeta pensylvanica
L. C. Wheeler
1967-6-16
9849
Los Angeles
San Gabriel Mountains : North side of Sunset Ridge, south of Millard Canyon.
624
Comment
RSA607827
Gamochaeta pensylvanica
L. C. Wheeler
1947-7-4
6541
Los Angeles
San Gabriel Mountains: El Prieto Canyon, off Millard Canyon
670
Comment
UC447162
Gamochaeta pensylvanica
J. Ewan
1931-4-12
4160
Los Angeles
Peirson's residence, backyard Altadena
Comment
UCR129779
Gamochaeta pensylvanica
L. C. Wheeler
1936-3-8
4080
Los Angeles
San Gabriel Mtns, Millard Canyon
457
Comment
LA40320
Garrya flavescens
Martha Hilend;
1929-5-14
sn
Los Angeles
San Gabriel Mountains, Mount Lowe
Comment
RSA682125
Garrya flavescens var. pallida
Valerie L. Soza, Bill Hoghead, Amber Maurice
2003-5-17
s.n.
Los Angeles
Mount Lowe Road (2N50). From junction with Mount Wilson Road southwest to the junction with Chantry Flats Trail (2N65) above Altadena; (Mt. Wilson).
915
Comment
CAS-BOT-BC123871
Garrya veatchii
George Bernard Grant
May
s.n.
Los Angeles
Mt. Lowe. Echo Mt.
Comment
CAS-BOT-BC158002
Garrya veatchii
F. Grinnell Jr.
1908-10-8
s.n.
Los Angeles
Switzers Camp, San Gabriel Mts
914
Comment
CAS-BOT-BC158003
Garrya veatchii
Fordyce Grinnell
1903-12-22
16
Los Angeles
Switzer's Trail, Sierra Madra [Madre] Mts. near Pasadena
Comment
CAS-BOT-BC158004
Garrya veatchii
Ernest Braunton
1903-1-10
791
Los Angeles
Arroyo Seco
243
Comment
CAS-BOT-BC158011
Garrya veatchii
Fordyce Grinnell
1903-12-22
40
Los Angeles
Arroyo Seco [Canon] Canyon near Pasade4na
Comment
CAS-BOT-BC158016
Garrya veatchii
Vernon Bailey
1907-9-25
s.n.
Los Angeles
Mt. Lowe
1524
Comment
CAS-BOT-BC158022
Garrya veatchii
Fordyce Grinnell
1916-3-18
s.n.
Los Angeles
San Gabriel Mts. near Pasadena
Comment
CAS-BOT-BC159269
Garrya veatchii
John Thomas Howell
1928-2-18
3350
Los Angeles
On trail to Switzer's, Arroyo Seco, San Gabriel Mts.
Comment
GH401975
Garrya veatchii
J. T. Howell
1928-2-18
3350
Unknown
Trail to Switzer's Arroyo Seco, San Gabriel Mts.
Comment
RSA391423
Garrya veatchii
Elbert Benjamine
1929-2-10
8468
Los Angeles
Arroyo Seco, above Pasadena.
915
Comment
RSA391425
Garrya veatchii
Fordyce Grinnell Jr.
1910-06
s.n.
Los Angeles
Switzers Trail. San Gabriel Moutains.
Comment
RSA391428
Garrya veatchii
Elbert Benjamine
1929-2-10
8467
Los Angeles
Arroyo Seco, above Pasadena.
915
Comment
RSA391429
Garrya veatchii
I. M. Johnston
1925-4-10
s.n.
Los Angeles
Mt. Lowe.
Comment
RSA391434
Garrya veatchii
F. H. Elmore
1936-1-12
s.n.
Los Angeles
Switzer's Camp
Comment
RSA392402
Garrya veatchii
Anstruther Davidson
1893-6-12
1898
Los Angeles
Switzer's Trail.
Comment
RSA392405
Garrya veatchii
Bonnie C. Templeton
1959-5-9
s.n.
Los Angeles
On Angeles Crest Highway between Mill Creek Road Junction and Red Box Gap,
1220
Comment
RSA392406
Garrya veatchii
Robert Gustafson
1977-4-5
403
Los Angeles
In a small canyon off Angeles Crest Hwy. 7 miles from the junction with Foothill Blvd, San Gabriel Mts,.
Comment
RSA392409
Garrya veatchii
Joseph A. Ewan
1932-7-4
7577
Los Angeles
Millard's Canyon.
1067
Comment
RSA397374
Garrya veatchii
Bonnie C. Templeton
1956-4-22
7685
Los Angeles
Along Angeles Crest Hwy, below Mt. Wilson turnoff, San Gabriel Mtns.
Comment
RSA630284
Garrya veatchii
LeRoy Gross
1999-1-16
107
Los Angeles
San Gabriel Moutains: Grizzly Flat Road (dirt). Above Grizzly Flat. South side near top of ridge. Looking down in the drainage of the Arroyo Seco.
1037
Comment
RSA630285
Garrya veatchii
LeRoy Gross
1999-1-16
106
Los Angeles
San Gabriel Moutains: Grizzly Flat Road (dirt). Headwaters of Vasquez Creek, above Grizzly Flat. North side, near top of ridge.
1037
Comment
RSA89604
Garrya veatchii
R. M. Beeks
1951-6-12
192
Los Angeles
Angeles Crest Hwy, San Gabriel Mts, 3 miles below Redbox.
915
Comment
SEINET4041657
Garrya veatchii
R. Gustafson
1977-1
403
Los Angeles
Off Angeles Crest Highway about 7 miles from the junction with Foothill Blvd, San Gabriel Mountains.
Comment
SJSU3877
Garrya veatchii
C. W. Sharsmith
1964-1-1
7176
Los Angeles
near head of Bear Canyon (Arroyo Seco drainage), San Gabriel Mts
1066
Comment
SJSU3879
Garrya veatchii
C. W. Sharsmith
1964-1-1
7175
Los Angeles
near head of Bear Canyon (Arroyo Seco drainage), San Gabriel Mts
1066
Comment
UC56686
Garrya veatchii
Ernest Braunton
1903-1-10
791
Los Angeles
Arroyo Seco
243
Comment
UC750625
Garrya veatchii
Lewis S. Rose
1946-12-21
46299
Los Angeles
3 mi ne La Canada (Angeles Crest Highway)
609
Comment
UCR143078
Garrya veatchii
Fordyce Grinnell Jr.
1910-1
s.n.
Los Angeles
San Gabriel Mountains, Switzer's Trail
Comment
POM355352
Gayophytum oligospermum
Fordyce Grinnell Jr.
1910-6-4
s.n.
Los Angeles
San Gabriel Mountains
Comment Read comments Feb 3 2011
GH366449
Genista canariensis
L. C. Wheeler
1973-4-9
Unknown
San Gabriel Mountains: Millard Canyon
Comment
RSA624576
Genista canariensis
L. C. Wheeler
1973-4-9
s.n.
Los Angeles
Millard Canyon; approx. national forest boundary
Comment
SFV20698
Genista monspessulana
S. Kimball
1999-4-30
60
Los Angeles
Pasadena, Arroyo Seco. Trail along cement channel of stream.
300
Comment
SBBG39911
Gilia achilleifolia subsp. multicaulis
W. G. Webb
1935-4-17
Los Angeles
Arroyo Seco
Comment
PASA778
Gilia capitata
J. E. Giguette
May, '26
Los Angeles
Flintridge
Comment
UCSB41309
Gilia minor
Miller, Brian
1960-7-12
Los Angeles
Switzer's Camp, San Gabriel Mountains
Comment
UCR23181
Gilia splendens
Polly Schiffman
1981-5-23
026
Los Angeles
San Gabriel Mtns, 2 mi N on Angeles Crest Hwy from Ranger Station which is 3 mi north of La Canada-Flintridge
1067
Comment
UCR265626
Glechoma hederacea
Michael C. Long
2015-5-1
925
Los Angeles
San Gabriel Mountains, Upper Arroyo Seco, c. 0.6 mi. southwest of Switzer's Picnic area, at first river crossing south of Switzer's, along east edge of trail
929.64
Comment
POM50889
Gnaphalium californicum
L. R. Abrams
1901-4-7
1426
Los Angeles
Devil's Gate.
Comment
RSA660195
Gnaphalium californicum
Yvonne Rasmussen, Deborah Rasmussen
1984-5-5
4
Los Angeles
3.8 miles from Pasadena city limits sign, on Angeles Crest Highway.
Comment
UCR136831
Gnaphalium californicum
John F. Green
2003-6-24
s.n.
Los Angeles
Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory
381
Comment
CAS-BOT-BC305274
Grindelia hirsutula
F. Grinnell Jr.
1917-6-30
s.n.
Los Angeles
Altadena
457
Comment
CAS-BOT-BC304624
Gutierrezia californica
Brandegee
No date on label
s.n.
Los Angeles
Arroyo Seco, San Gabriel Mts.
350
Comment
POM359474
Hazardia squarrosa
George R. Johnstone
1930-9-14
s.n.
Los Angeles
Edison Rd. above Dark Canyon Calif. San Gabriel Mts.
762
Comment
CAS-BOT-BC307280
Hazardia squarrosa var. grindelioides
Fordyce Grinnell, Jr.
1903-12-22
7
Los Angeles
Arroyo Seco Canyon, Sierra Madre Mts. near Pasadena
Comment
CAS-BOT-BC307281
Hazardia squarrosa var. grindelioides
Fordyce Grinnell, Jr.
1917-9-23
s.n.
Los Angeles
Negro Canyon near Pasadena, San Gabriel Mts.
Comment
CAS-BOT-BC307282
Hazardia squarrosa var. grindelioides
Fordyce Grinnell
1915-9-6
s.n.
Los Angeles
Jumbo Knob, San Rafael Hills near Pasadena
Comment
CAS-BOT-BC307283
Hazardia squarrosa var. grindelioides
Fordyce Grinnell, Jr.
1916-9-2
s.n.
Los Angeles
Near Pasadena, San Gabriel Mts.
Comment
OBI28467
Hazardia squarrosa var. grindelioides
J. & B. Sample, B. Sample
1981-8-14
5594
Los Angeles
CA-2, N of La Canada Flintridge, boundry of Natl Forest (San Gabriel Mts)
Comment Read comments Sep 15 2014
POM359473
Hazardia squarrosa var. grindelioides
Geo L. Moxley
1914-9-3
259
Los Angeles
San Rafael Hills, near Pasadena
Comment
UCR132323
Hedera helix
John F. Green
2003-7-17
s.n.
Los Angeles
San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect two
396
Comment
UCR132351
Hedera helix
John F. Green
2003-7-17
s.n.
Los Angeles
San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect one
381
Comment
RSA80682
Helianthemum scoparium
F. W. Peirson
1920-4-22
115
Los Angeles
foothill of Rubio Canyon
533
Comment
CAS-BOT-BC305434
Helianthus annuus
F. Grinnell Jr.
1917-6-30
s.n.
Los Angeles
Altadena
457
Comment
CAS-BOT-BC305435
Helianthus annuus
1901-3-9
s.n.
Los Angeles
Altadena
Comment
JEPS35467
Helianthus annuus
F. W. Peirson
1919-3-11
326
Los Angeles
first canyon e Rubio Canyon; San Gabriel Mts.
548
Comment
RSA600756
Helianthus annuus
L. C. Wheeler
1967-6-16
9856
Los Angeles
San Gabriel Mountains : North side of Sunset Ridge under power line, Millard Canyon.
579
Comment
POM369751
Heliotropium curassavicum var. oculatum
Lester Rowntree
1929-7-5
s.n.
Los Angeles
Arroyo Seco Road
Comment
UCR119552
Hesperocnide tenella
L. C. Wheeler
1973-4-9
s.n.
Los Angeles
San Gabriel Mtns., Lower Millard Canyon, just south of culvert
Comment
CHSC3722
Heteromeles arbutifolia
Sue Boergadine
1966-5-26
Los Angeles
Switzer's Camp.
Comment
HSC12393
Heteromeles arbutifolia
Wendell Wood
1970-6-21
23
Los Angeles
Linda Vista Rd. and Figueroa, Glendale
457
Comment
RSA0104907
Heteromeles arbutifolia
R. G. Swinney
2011-10-18
15841
Los Angeles
San Gabriel Mountains: 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2.
1021
Comment
RSA449820
Heteromeles arbutifolia
D. S. Krause
1939-07
s.n.
Los Angeles
La Canada
Comment
RSA449826
Heteromeles arbutifolia
Fordyce Griffiths Jr.
1910-06
2087
Los Angeles
Switzers Trail. San Gabriel Moutains.
Comment
RSA449827
Heteromeles arbutifolia
L. E. Hoffman
1931-11-9
s.n.
Los Angeles
San Gabriel Mountains: Millards Canyon, Angeles National Forest.
Comment
UCR132299
Heteromeles arbutifolia
John F. Green
2003-7-17
s.n.
Los Angeles
San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect one
381
Comment
UCR273292
Heteromeles arbutifolia
R. G. Swinney
2011-10-18
15841
Los Angeles
San Gabriel Mountains, 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2
1021
Comment
CAS-BOT-BC318863
Heterotheca grandiflora
F. Grinnell Jr.
1917-6-30
s.n.
Los Angeles
Altadena
457
Comment
UCR132935
Heterotheca sessiliflora
Michael D. Wilcox
2003-8-30
s.n.
Los Angeles
San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Prop. Laboratory
381
Comment
CAS-BOT-BC310846
Heterotheca sessiliflora subsp. fastigiata
Fordyce Grinnell
1903-12-22
5
Los Angeles
Arroyo Seco Canon [Canyon], Sierra Madre Mts. near Pasadena
Comment
CAS-BOT-BC310854
Heterotheca sessiliflora subsp. fastigiata
F. Grinnell Jr.
1908-10-8
s.n.
Los Angeles
Switzer Camp, San Gabriel Mts.
914
Comment
OBI35961
Heterotheca sessiliflora subsp. fastigiata
J. & B. Semple, B. Semple
1981-8-14
5592
Los Angeles
Ca-2 N of La Canada Flintridge Boudnary of natl fores (San Gabriel Mts)
Comment
JEPS41667
Heuchera caespitosa
Frank W. Peirson
1918-6-10
67
Los Angeles
n of Pasadena (n slope of Mt. Lowe near the summit); San Gabriel Mountains, Mt. Lowe
1676
Comment
SBBG126040
Heuchera caespitosa
O. Mistretta with C. Mistretta
2008-5-20
3136
Los Angeles
Rincon Red Box Rd W fork of the San Gabriel River, N slope of Monrovia Pk; San Gabriel Mtns
1150
Comment
CAS-BOT-BC317341
Heuchera elegans
W. R. Dudley
1900-7-9
s.n.
Los Angeles
Mount Lowe
Comment
CAS-BOT-BC48126
Heuchera elegans
Geo. B. Grant
1906-6-1
570
Los Angeles
So. Calif. - Summit of Mt. Lowe
1828
Comment
CAS-BOT-BC48129
Heuchera elegans
W. R. Dudley
1899-7-20
s.n.
Los Angeles
Mount Lowe
Comment
CAS-BOT-BC48168
Heuchera elegans
Mrs. Joseph Clemens
1922-5-30
s.n.
Los Angeles
Mt. Lowe
Comment
CAS-BOT-BC48174
Heuchera elegans
Geo. B. Grant
1901-1-1
570
Los Angeles
So. Calif. - Summit of Mt. Lowe
1828
Comment
CAS-BOT-BC48175
Heuchera elegans
Geo. B. Grant
1906-6-1
570
Los Angeles
So. Calif. - Summit of Mt. Lowe
1828
Comment
JEPS26538
Heuchera elegans
Peter Kamb
1947-6-1
599
Los Angeles
n slope of Mt Disappointment; San Gabriel Mts
1463
Comment
PASA2230
Heuchera elegans
Frank W. Peirson
1922-5-30
Los Angeles
West spur of Mt. Lowe
1341
Comment
RSA0063272
Heuchera elegans
Orlando Mistretta, Christine Mistretta
2008-5-20
3136
Los Angeles
Rincon Red box Rd. W Fork of the San Gabriel River, N slope of Monrovia Pk.
1150
Comment
SBBG98225
Heuchera elegans
G. B. Grant
-Jun-1906
570
Los Angeles
Mt Lowe
Comment
SEINET3161012
Heuchera elegans
G. B. Grant
570
Los Angeles
Summit of Mt. Lowe, S. CA
1829
Comment
UC457281
Heuchera elegans
Martha Hilend
1929-5-14
Los Angeles
Mt. Lowe
Comment
UC494222
Heuchera elegans
Thomas R. Gaines
Los Angeles
Mt. Lowe
1584
Comment
UC50197
Heuchera elegans
Geo. B. Grant
June 1906
570
Los Angeles
summit of Mt. Lowe; Pacific Caost, Mt. Lowe
1828
Comment
CAS-BOT-BC123637
Hieracium argutum
Fordyce Grinnell
1903-12-22
13
Los Angeles
Sierra Madre Mts., near Pasadena, Arroyo Seco Canyon
Comment
CAS-BOT-BC319764
Hieracium argutum
F. Grinnell Jr.
1917-7-29
s.n.
Los Angeles
Upper Millards Canyon, San Gabriel Mountains
Comment
CAS-BOT-BC319765
Hieracium argutum
F. Grinnell Jr.
1917-9-23
s.n.
Los Angeles
Negro Canyon near Pasadena, San Gabriel Mountains
Comment
CAS-BOT-BC319766
Hieracium argutum
F. Grinnell Jr.
1917-7-29
s.n.
Los Angeles
Upper Millards Canyon, San Gabriel Mountains
Comment
POM21164
Hieracium argutum
Fordyce Grinnell Jr
1917-7-29
s.n.
Los Angeles
Upper Millard's Canyon, San Gabriel Mountains.
Comment
POM21341
Hieracium argutum
Fordyce Grinnell Jr
1917-9-23
s.n.
Los Angeles
Negro Canyon near Pasadena; San Gabriel Mts.
Comment
POM360459
Hieracium argutum
Fordyce Grinnell Jr
1911-09
4046
Los Angeles
Switzer's Trail. San Gabriel Mountains.
Comment
RSA360462
Hieracium argutum
Anstruther Davidson
1890-09
s.n.
Los Angeles
Millards Canon, Pasadena.
Comment
RSA482871
Hirschfeldia incana
Howard Mullins
1931-4-19
s.n.
Los Angeles
Chevy Chase, Flintridge
Comment
RSA659838
Holodiscus discolor
Orlando Mistretta, Mike Hammitt
1991-6-21
s.n.
Los Angeles
Slope near E tributary of Fern Canyon. USFS Road 2N66.
756
Comment
RSA85264
Holodiscus discolor
F. W. Peirson
75
Los Angeles
Montana St. Pasadena
Comment
RSA85269
Holodiscus discolor
Raymond J. Dobbs
1924-7-8
5390
Los Angeles
Along trail 2 miles below Switzer's Camp, San Gabriel Mts.
762
Comment
UCR147261
Holodiscus discolor
Orlando Mistretta, Mike Hammitt
1991-6-21
s.n.
Los Angeles
Transverse Ranges; San Gabriel Mtns region, Slope near E tributary of Fern Canyon, USFS Road 2N66
756
Comment
CAS-BOT-BC149942
Holodiscus discolor var. discolor
W. R. Dudley
1900-7-9
s.n.
Los Angeles
Mount Low, San Gabriel Mts.
Comment
CAS-BOT-BC149945
Holodiscus discolor var. discolor
C. S. Morris
1908-6-15
113
Los Angeles
Summit Mt. Lowe, N. slope
Comment
CAS-BOT-BC149946
Holodiscus discolor var. discolor
Grant
1904-6-26
s.n.
Los Angeles
Mt. Lowe
Comment
CAS-BOT-BC149959
Holodiscus discolor var. discolor
Grant
1904-6-5
6275
Los Angeles
Milland Canyon
Comment
RSA85267
Holodiscus microphyllus
F. W. Peirson
s.n.
Los Angeles
Mt. Lowe, San Gabriel Mountains.
Comment
SEINET10717814
Hordeum
Mary Merello, Heidi H. Schmidt
1999-12-3
Merello 2502
Los Angeles
City of Pasadena. Vartan Family Grocery, 1511 E. Washington Blvd.
270
Comment
CDA2209
Hordeum murinum subsp. glaucum
L. C. Wheeler
1973-5-12
s.n.
Los Angeles
Transverse Ranges; San Gabriel Mountains region; San Gabriel Mountains: Gould Mesa Picnic Ground.
Comment
RSA624640
Hordeum murinum subsp. glaucum
L. C. Wheeler
1973-5-12
s.n.
Los Angeles
San Gabriel Mountains: Gould Mesa Picnic Ground.
427
Comment
RSA87060
Hordeum murinum subsp. glaucum
F. W. Peirson
1918-04
1605
Los Angeles
New York Drive, Altadena
Comment
POM307812
Horkelia cuneata subsp. puberula
Henry J. Ramsey
1938-3-5
2748
Los Angeles
North Craig Ave., Altadena
Comment
POM366515
Horkelia cuneata subsp. puberula
Geo. L. Moxley
1915-7-5
355
Los Angeles
Ridge between Arroyo Seco and Millard's Canyons.
Comment
POM50166
Horkelia cuneata subsp. puberula
L. R. Abrams
1901-04
s.n.
Los Angeles
Devil's Gate
Comment
RSA601622
Horkelia cuneata subsp. puberula
Louis C. Wheeler
1967-6-16
9855
Los Angeles
San Gabriel Mountains: North side of Sunset Ridge under power line, Millard Canyon.
579
Comment
RSA85202
Horkelia cuneata subsp. puberula
F. W. Peirson
1919-4-5
362
Los Angeles
Allen Ranch near Eaton Canyon, south base of the San Gabriel Mountains
Comment Read comments Sep 10 2014
UCR100634
Horkelia cuneata subsp. puberula
L. C. Wheeler
1967-6-16
9855
Los Angeles
San Gabriel Mtns., N side of Sunset Ridge under powerline, Millard Canyon
579
Comment
SBBG68135
Hosackia oblongifolia var. oblongifolia
M. N. Ackley
1927-6-5
537
Los Angeles
trail to Switzerland
762
Comment
CAS-BOT-BC311943
Hulsea heterochroma
W. R. Dudley
1900-7-9
s.n.
Los Angeles
Mt. Lowe
Comment
CAS-BOT-BC311968
Hulsea heterochroma
Fordyce Grinnell, Jr.
1916-9-2
s.n.
Los Angeles
San Gabriel Mts. - near Pasadena
Comment
CAS-BOT-BC273560
Hyparrhenia hirta
Louis C. Wheeler
1947-6-15
6527
Los Angeles
Altadena: Canyon Crest Drive and Lincoln Ave.
Comment
RSA607831
Hyparrhenia hirta
L. C. Wheeler
1947-6-15
6527
Los Angeles
Altadena: Canyon Crest Drive and Sincoln [Lincoln] Ave.
Comment
SD230135
Hyparrhenia hirta
Louis C. Wheeler
1947-6-15
6527
Los Angeles
Altadena: Canyon Crest Drive and Lincoln Ave.
Comment
UCR102376
Hyparrhenia hirta
L. C. Wheeler
1947-6-15
6527
Los Angeles
San Gabriel Mtns. Foothills, Altadena; Canyon Crest Drive and Lincoln Ave
396
Comment
RSA601575
Hypochaeris glabra
L. C. Wheeler
1967-6-16
9841
Los Angeles
San Gabriel Mountains : Sunset Ridge by Millard Canyon; north side Coulter Reservoir.
655
Comment
RSA601629
Hypochaeris glabra
L. C. Wheeler
1967-6-16
9854
Los Angeles
San Gabriel Mountains: North side of Sunset Ridge, south of Millard Canyon.
640
Comment
UCR231782
Isomeris arborea
Darren T. Hasegawa
2007-6-1
s.n.
Los Angeles
San Gabriel Mtns, Pasadena, c. 1 mile north of Rose Bowl
305
Comment
UCR132319
Juglans californica
John F. Green
2003-7-17
s.n.
Los Angeles
San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory
366
Comment
RSA614699
Juglans californica var. californica
D. Charlton
1989-4-30
2958
Los Angeles
San Gabriel Mtns. Angeles Crest Highway near Angeles Crest Station, southern boundary of the Angeles National Forest.
762
Comment
RSA628898
Juglans californica var. californica
Louis C. Wheeler
1969-4-12
s.n.
Los Angeles
El Prieto Canyon east fork at Brown Mt. Head
762
Comment
RSA711112
Juglans californica var. californica
Tim Thibault, K. E. Olshewsky
2004-5-22
268
Los Angeles
fire road off Hwy. 2
910
Comment
SFV16168
Juglans californica var. californica
P. A. Krueger
1994-5-18
42
Los Angeles
San Gabriel Mountains 3 miles north on Mount Lowe Truck Trail from Chaney Trail.
1000
Comment
RSA0105036
Juncus
R. G. Swinney
2011-10-18
15806
Los Angeles
San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy.
1021
Comment Read comments Dec 7 2018
UC1971179
Juncus bufonius
Louis C. Wheeler
1973-5-5
Los Angeles
San Gabriel Mountains: Mill Canyon
Comment
UC842378
Juncus macrophyllus
Bryan
1929-7-4
Los Angeles
Switzer's Camp Arroyo Seco
975
Comment
UCR102381
Juncus macrophyllus
L. C. Wheeler
1947-7-11
6542
Los Angeles
San Gabriel Mtns., Millard Canyon
412
Comment
UCR273381
Juncus macrophyllus
R. G. Swinney
2011-10-18
15806
Los Angeles
San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy
1037
Comment
UCR132298
Juncus textilis
John F. Green
2003-7-17
s.n.
Los Angeles
San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect one
381
Comment
UCR111686
Juncus tiehmii
L. C. Wheeler
1973-5-5
s.n.
Los Angeles
San Gabriel Mtns., Mill Canyon
732
Comment
RSA368384
Juncus xiphioides
Bryan
1929-7-4
s.n.
Los Angeles
Switzer's Camp; Arroyo [Seco].
975
Comment
UC842991
Juncus xiphioides
Bryan
1929-7-4
Los Angeles
Switzer's Camp Arroyo Seco
975
Comment
A365744
Keckiella cordifolia
F. Grinnell, Jr.
1917-7-29
Unknown
Upper Millards Canon. San Gabriel Mountains
Comment
CAS-BOT-BC235738
Keckiella cordifolia
F. Grinnell Jr.
1917-7-29
s.n.
Los Angeles
Upper Millards Canon [Canyon], San Gabriel Mountains
Comment
CAS-BOT-BC235761
Keckiella cordifolia
F. Grinnell Jr.
1917-6-30
s.n.
Los Angeles
Altadena
457
Comment
GH365736
Keckiella cordifolia
G. B. Grant
1901-06-01 - 1901-07-01
1935
Unknown
Altadena
Comment
HSC12392
Keckiella cordifolia
Wendell Wood
1970-6-21
19
Los Angeles
Linda Vista Rd. and Figueroa, Glendale
457
Comment
JEPS11571
Keckiella cordifolia
Frank W. Peirson
1918-6-28
205
Los Angeles
e of Rubio Canyon; San Gabriel Mountains
609
Comment
POM308403
Keckiella cordifolia
Henry J. Ramsey, Henry J. Ramsey
1937-12-7
3117
Los Angeles
Altadena, North Craig Avenue.
Comment
RSA295269
Keckiella cordifolia
R. S. Woglum
1940-7-6
2907
Los Angeles
Arroyo Seco near Switzers.
Comment
RSA401766
Keckiella cordifolia
L. E. Hoffman
1927-8-19
s.n.
Los Angeles
Arroyo Seco.
Comment
RSA79774
Keckiella cordifolia
F. W. Peirson
205
Los Angeles
Mt. Lowe, San Gabriel Mountains.
Comment
RSA79783
Keckiella cordifolia
Raymond J. Dobbs
1927-6-28
7684
Los Angeles
Arroyo Seco near Switzers, San Gabriel Mountains.
915
Comment
UC1215231
Keckiella cordifolia
Peter H. Raven
1962-7-11
18003
Los Angeles
San Clemente Island; Twin Canyon
320
Comment
UCR111525
Keckiella cordifolia
A. C. Sanders, D. Malueg
1998-6-22
22034
Los Angeles
San Gabriel Mtns., La Canada, SCE Gould Substation off Hwy 2, Gould Canyon
595
Comment
UCR132346
Keckiella cordifolia
John F. Green
2003-7-17
s.n.
Los Angeles
San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect one
381
Comment
NY790439
Keckiella ternata subsp. ternata
A. J. McClatchie
1893-6-28
s.n.
Los Angeles
Mt. Lowe, near Altadena
Comment
POM155817
Keckiella ternata subsp. ternata
M. L. Bryan
1928-4-17
97
Los Angeles
Mt. Lowe, San Gabriel Mountains.
Comment
POM21347
Keckiella ternata subsp. ternata
Fordyce Griffiths Jr.
1917-7-29
s.n.
Los Angeles
Mt. Lowe, San Gabriel Ridge.
1616
Comment
POM308422A
Keckiella ternata subsp. ternata
Henry J. Ramsey, Henry J. Ramsey
1937-9-2
3098
Los Angeles
Ladybug Canyon, Angeles Crest Highway.
Comment
RSA400467
Keckiella ternata subsp. ternata
Fordyce Griffiths Jr.
1910-06
3506
Los Angeles
West Fork divide, San Gabriel Mountains.
Comment
RSA400476
Keckiella ternata subsp. ternata
Unspecified
1983-7-18
2776
Los Angeles
San Gabriel Mountains, Angeles Crest Highway at the junction of the Mt. Wilson turnoff.
1463
Comment
RSA639154
Keckiella ternata subsp. ternata
Louis C. Wheeler
1973-7-21
s.n.
Los Angeles
San Gabriel Mountains: Ridge on divide between Big Tujunga and Devil Canyon 0.2 mile north of windy gap on Angeles Crest Highway.
1616
Comment
CAS-BOT-BC246114
Keckiella ternata var. ternata
Geo. B. Grant
1904-6-27
1796
Los Angeles
Mt. Lowe
1828
Comment
CAS-BOT-BC246116
Keckiella ternata var. ternata
F. Grinnell Jr.
1917-7-29
s.n.
Los Angeles
Mt. Lowe, San Gabriel Ridge, San Gabriel Mountains
1615
Comment
CAS-BOT-BC246117
Keckiella ternata var. ternata
W. R. Dudley
1900-7-9
s.n.
Los Angeles
Near summit of Mt. Lowe, San Gabriel Mountains
Comment
UCD123781
Keckiella ternata var. ternata
Louis C. Wheeler
1973-7-21
s.n.
Los Angeles
San Gabriel Mountains: Ridge on divide between Big Tujunga and Devil Canyon 0.2 mile north of windy gap on Angeles Crest Highway.
1615
Comment
RSA603404
Lactuca serriola
L. C. Wheeler
1975-8-22
s.n.
Los Angeles
San Gabriel Mountains: North side Sunset Ridge by Millard Canyon, by power line.
Comment
RSA592166
Lamarckia aurea
L. C. Wheeler
1967-5-7
9290
Los Angeles
San Gabriel Mountains. Vicinity of Coulter Reservoir, Sunset Ridge, south of Millard Canyon.
655
Comment
RSA592188
Lamarckia aurea
L. C. Wheeler
1967-3-3
9172
Los Angeles
Sunset Ridge, west of Chaney Trail.
Comment
RSA87132
Lamarckia aurea
F. W. Peirson
1918-04
1554
Los Angeles
New York Drive, Altadena
Comment
UCD63296
Lamarckia aurea
J. E. Law
1923-3-18
250
Los Angeles
Altadena.
Comment
UCR95349
Lamium amplexicaule
L. C. Wheeler
1967-5-7
9282
Los Angeles
San Gabriel Mtns, Vicinity of Coulter Reservoir, Sunset Ridge, south of Millard Canyon
655
Comment
RSA656863
Lantana montevidensis
Joseph M. Keefe
2001-1-24
31021
Los Angeles
Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena.
250
Comment
JEPS57950
Lastarriaea coriacea
Frank W. Peirson
1919-5-21
447
Los Angeles
San Gabriel Mountains, Arroyo Seco Arroyo Seco; San Gabriel Mountains, Arroyo Seco
381
Comment
CAS-BOT-BC352719
Lasthenia coronaria
Geo. B. Grant
1901-3-24
15615
Los Angeles
Rubio Wash
Comment
JEPS9911
Lasthenia coronaria
Frank W. Peirson
1919-3-27
330
Los Angeles
Arroyo Seco Canyon San Gabriel Mountains, Arroyo Seco Canyon
411
Comment
UC75846
Lasthenia coronaria
unknown
May 1901
99
Los Angeles
Altadena
Comment
RSA747749
Lathyrus vestitus
Scott D. White, J. Wood, J. Miner
2009-5-12
12702
Los Angeles
San Gabriel Mountains: Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road.
549
Comment
UCR172781
Lathyrus vestitus
Wayne Law, Jun Hu
2000-4-30
11
Los Angeles
Transverse Ranges; San Gabriel Mtns., Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground.
823
Comment
UCR213787
Lathyrus vestitus
Scott D. White, Justin M. Wood, Jamie Miner
2009-5-12
12702
Los Angeles
San Gabriel Mountains, Millard Canyon, north of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lower Fire Road
707
Comment
UCSB3107
Lathyrus vestitus var. alefeldii
Wedberg, Lee
1954-4-26
Los Angeles
Devil's Gate Dam, Pasadena
243
Comment
RSA405683
Lathyrus vestitus var. vestitus
L. E. Hoffman
1932-3-14
s.n.
Los Angeles
Millard's Canyon, Angeles National Forest [San Gabriel Mountains].
Comment
RSA405698
Lathyrus vestitus var. vestitus
I. M. Johnston
1922-4-10
s.n.
Los Angeles
Mt. Lowe
Comment
RSA406662
Lathyrus vestitus var. vestitus
L. E. Hoffman
s.n.
Los Angeles
Millard's Canyon, Angeles Forest.
Comment Read comments Jan 1 2017
CAS-BOT-BC221609
Lepechinia fragrans
F. Grinnell Jr.
1910-6-11
s.n.
Los Angeles
Switzers Trail, San Gabriel Mts.
1066
Comment
LA64420
Lepechinia fragrans
J. A. Ewan;
1929-7-11
2060
Los Angeles
San Gabriel Mountains, near Switzers Camp
914
Comment
POM78692
Lepechinia fragrans
Albert J. Perkins
1920-5-29
s.n.
Los Angeles
Switzer Trail, San Gabriel Mts.
Comment
RSA300957
Lepechinia fragrans
D. C. Michener
1982-8-3
4166
Los Angeles
CA 2, 8.6 miles north of Pasadena and jct with I-210.
Comment
RSA300980
Lepechinia fragrans
D. C. Michener
1982-8-3
4164
Los Angeles
CA 2, 6.6 miles north of Pasadena & jct with I-210.
Comment
RSA409625
Lepechinia fragrans
Verda Harlow
1936-07
s.n.
Los Angeles
Arroyo Seco Canyon .
Comment
RSA409628
Lepechinia fragrans
Anstruther Davidson
1893-6-12
s.n.
Los Angeles
Switzer's Trail.
Comment
RSA409631
Lepechinia fragrans
H. C. Ackley
1927-6-4
s.n.
Los Angeles
Trail to Switzer s
Comment
RSA409633
Lepechinia fragrans
Albert J. Perkins
1920-5-19
s.n.
Los Angeles
Switzer Trail.
Comment
RSA659837
Lepechinia fragrans
Orlando Mistretta, Mike Hammit
1991-6-21
s.n.
Los Angeles
Along USFS Road 2N66. Just W of junction with 2N65.1. Over looking Fern canyon to the N.
732
Comment
RSA741093
Lepechinia fragrans
Justin M. Wood
2008-11-21
243
Los Angeles
Above La Canada, off of ANF Road (2N76).
985
Comment
SBBG118713
Lepechinia fragrans
O. Mistretta with M. Hammitt
1991-6-21
Los Angeles
USFS Rd 2N66, just W of jct with 2N65.1, overlooking Fern Cyn to the N; T2N R12W C1/2 S29
732
Comment
SBBG71593
Lepechinia fragrans
M. N. Ackley
1927-6-5
Los Angeles
Switzerland Trail
Comment
SBBG71594
Lepechinia fragrans
Anstruther Davidson
-Jul-1893
Los Angeles
Switzers Camp
Comment
SBBG71595
Lepechinia fragrans
J. A. Ewan
1929-7-1
Los Angeles
near stream, Switzer's Camp
914
Comment
UCR12251
Lepechinia fragrans
Art Whistler
1966-6-23
s.n.
Los Angeles
San Gabriel Mtns., Hwy 2 en route to Mt. Wilson via Angeles Crest Hwy and Foothill Bvd.
1067
Comment
UCR147269
Lepechinia fragrans
Orlando Mistretta, Mike Hammitt
1991-6-21
s.n.
Los Angeles
Transverse Ranges; San Gabriel Mountains, Along USFS Road 2N66. Just west of junction with 2N65.1. Over looking Fern Canyon to the N
732
Comment
RSA624578
Lepidium didymum
L. C. Wheeler
1973-4-9
s.n.
Los Angeles
Millard Canyon; approx. national forest boundary
Comment
CHSC95806
Lepidium latifolium
LeRoy Gross
2002-10-5
668
Los Angeles
Transverse Ranges: San Gabriel-Verdugo Mountains Region: Devils Gate Reservoir, northeast of the San Rafael Hills, in the Arroyo Seco river channel. Just west of the city of Altadena.
335
Comment
RSA670280
Lepidium latifolium
LeRoy Gross
2002-10-5
668
Los Angeles
Devils Gate Reservoir, northeast of the San Rafael Hills, in the Arroyo Seco river channel. Just west of the city of Altadena.
335
Comment
SFV21022
Lepidium latifolium
L. Gross
2002-10-5
668
Los Angeles
Devils Gate Reservoir, northeast of the San Rafael Hills, in the Arroyo Seco, just west of Altadena.
335
Comment
UC1870182
Lepidium latifolium
LeRoy Gross
2002-10-5
668
Los Angeles
Transverse Ranges: San Gabriel-Verdugo Mountains Region: Devils Gate Reservoir, northeast of the San Rafael Hills, in the Arroyo Seco river channel. Just west of the city of Altadena
335
Comment
UCR141501
Lepidium latifolium
LeRoy Gross
2002-10-5
668
Los Angeles
Transverse Ranges: San Gabriel-Verdugo Mtns, Devil's Gate Reservoir, NE of the San Rafael Hills, in the Arroyo Seco river channel, just west of the city of Altadena
335
Comment
CAS-BOT-BC12983
Lepidium virginicum
Ramsay
Mar. 20
s.n.
Los Angeles
Foothills. Rubio Canyon.
Comment
CAS-BOT-BC60046
Lepidium virginicum var. menziesii
F. Grinnell Jr.
1917-6-30
s.n.
Los Angeles
Altadena.
457
Comment
POM307838
Lepidium virginicum var. robinsonii
Henry J. Ramsey
1938-1-9
2763
Los Angeles
North Craig Ave., Altadena
Comment
CAS-BOT-BC339174
Lepidospartum
F. Grinnell Jr.
1917-9-23
s.n.
Los Angeles
Negro Canon [Canyon]. Near Pasadena, San Gabriel Mts
Comment
CAS-BOT-BC328064
Lepidospartum squamatum
F. Grinnell Jr.
1908-10-8
s.n.
Los Angeles
Switzer Camp. San Gabriel Mts.
914
Comment
CAS-BOT-BC328078
Lepidospartum squamatum
Ernest Braunton
1902-9-1
695
Los Angeles
Arroyo Seco
Comment
CAS-BOT-BC328080
Lepidospartum squamatum
Moxley
1914-9-7
275
Los Angeles
On trail to Switzer's Camp; ridge above Arroyo Seco. San Gabriel Mts.
Comment
CAS-BOT-BC328083
Lepidospartum squamatum
Fordyce Grinnell
1915-9-4
s.n.
Los Angeles
Upper Arroyo Seco Canon. San Gabriel Mts.
Comment
PASA1349
Lepidospartum squamatum
Frank W. Peirson
1919-10-20
Los Angeles
Brae-Burn Road near the Rubio stream bed. Altadena
Comment
POM305225
Lepidospartum squamatum
Henry J. Ramsey, Henry J. Ramsey
1937-8-23
489
Los Angeles
Altadena.
Comment
RSA0106493
Lepidospartum squamatum
R. G. Swinney
2011-10-18
15829
Los Angeles
San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy.
1021
Comment
UC53936
Lepidospartum squamatum
Ernest Braunton
1902-9-1
695
Los Angeles
Arroyo Seco
Comment
UCR273283
Lepidospartum squamatum
R. G. Swinney
2011-10-18
15829
Los Angeles
San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy
1037
Comment
RSA660206
Leptodactylon caespitosum
Yvonne Rasmussen, Deborah Rasmussen
1984-5-5
46
Los Angeles
2.7 miles from La Canada city limits (sign) pull off on left side of road as one is going up mountain.
Comment
PASA2012
Leptodactylon californicum
Loletta Hiebert
Los Angeles
Rubio Canyon
Comment
SEINET3163756
Leptodactylon californicum
G. B. Grant
1904-5-5
679 a-6189
Los Angeles
at Arroyo Seco Canyon, San Gabriel Mts., southern California
610
Comment
UCR114220
Leptodactylon californicum
A. C. Sanders, D. Malueg
1998-6-24
22062
Los Angeles
San Gabriel Mtns., CCC Ridge, off Hwy 2 just north of Pasadena city limits, So. Cal. Edison Mesa-Vincent transmission line at tower 16-2
823
Comment
UCR175043
Leptodactylon californicum
Holly Summers
2006-6-4
46
Los Angeles
San Gabriel Mountains, 2 miles north of Foothill Blvd. on Angeles Crest Highway (Hwy 2), near Brown Canyon
701
Comment
CLARK-A1528-1365
Leptodactylon californicum subsp. glandulosum
Robin L. Kobaly
1972-5-17
RLK 720517
Los Angeles
San Gabriel Mountains
365
Comment
JEPS69845
Leptodactylon californicum subsp. glandulosum
Frank W. Peirson
1918-5-19
158
Los Angeles
Echo Mountain; San Gabriel Mts., Echo Mountain
1005
Comment
CAS-BOT-BC339274
Lessingia glandulifera var. glandulifera
Fordyce Grinnell, Jr.
1916-9-2
s.n.
Los Angeles
San Gabriel Mts. - near Pasadena
Comment
CAS-BOT-BC339284
Lessingia glandulifera var. glandulifera
Ernest Braunton
1902-9-1
694
Los Angeles
Arroyo Seco
Comment
UC63388
Lessingia glandulifera var. glandulifera
Ernest Braunton
1902-9-1
694
Los Angeles
Arroyo Seco
Comment
UCR132294
Lilium humboldtii
S. J. Myers
2003-6-24
s.n.
Los Angeles
San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Propul. Laboratory
381
Comment
UCR132348
Lilium humboldtii
John F. Green
2003-7-17
s.n.
Los Angeles
San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect one
381
Comment
GH421746
Lilium humboldtii subsp. ocellatum
Aleksi Baznekian
2013-6-8
20
Unknown
San Gabriel Mountains. Plant harvested 400 m west of Switzer Campground, in between Gabrielino Trail and Arroyo Seco
Comment
GH421747
Lilium humboldtii subsp. ocellatum
Aleksi Baznekian
2013-6-8
20
Unknown
San Gabriel Mountains. Plant harvested 400 m west of Switzer Campground, in between Gabrielino Trail and Arroyo Seco
Comment
RSA68713
Lilium humboldtii subsp. ocellatum
Raymond J. Dobbs
1924-6-30
5386
Los Angeles
Stream trail, 1/4 mile N of Switzers Camp, San Gabriel Mountains.
930
Comment
UCD139731
Lilium humboldtii subsp. ocellatum
Natalie deGarder
1992-5-30
25
Los Angeles
1.5 miles off Freeway 210 up Lincoln to Risinghill, down 0.25 mile to stream.
589
Comment
CAS-BOT-BC226749
Linanthus californicus
Geo. B. Grant
1900-4-11
s.n.
Los Angeles
Alpine Tavern, Mt. Lowe
Comment
CAS-BOT-BC226750
Linanthus californicus
A. C. Sanders; D. Malueg
1998-6-24
22062
Los Angeles
San Gabriel Mtns.: CCC Ridge, off Hwy 2 just N of Pasadena city limits, So. Cal. Edison Mesa-Vincent transmission line at tower 16-2
823
Comment
CAS-BOT-BC226762
Linanthus californicus
Geo. B. Grant
1904-5-5
6189
Los Angeles
Arroyo Seco Canyon
Comment
CAS-BOT-BC226768
Linanthus californicus
F. Grinnell Jr.
1917-6-30
s.n.
Los Angeles
Altadena
457
Comment
CHSC26206
Linanthus californicus
A. Brenholt
1967-5-24
44
Los Angeles
5 miles NE of La Canada on Angeles Crest Hwy. in San Gabriel Mtns.
335
Comment
HSC12389
Linanthus californicus
Wendell Wood
1970-6-20
18
Los Angeles
Linda Vista Rd. and Figueroa, Glendale
457
Comment
LA88297
Linanthus californicus
O. H. Kappler;
1925-6-7
1461
Los Angeles
San Gabriel Mountains, Mount Wilson area, along Angeles Crest Hwy
1523
Comment
RSA468423
Linanthus californicus
B. C. Templeton
1959-5-9
s.n.
Los Angeles
On Angeles Crest Highway between Mill Creek Road Junction and Red Box Gap,
1220
Comment
RSA468429
Linanthus californicus
Fordyce Grinnell Jr.
1910-06
s.n.
Los Angeles
Switzers Trail. San Gabriel Moutains.
Comment
RSA468437
Linanthus californicus
Martha Hilend
1929-5-14
s.n.
Los Angeles
Mt. Lowe.
Comment
RSA468456
Linanthus californicus
N. C. Cooper
1949-6-18
4214
Los Angeles
Angeles Crest Highway
915
Comment
RSA653052
Linanthus californicus
A. C. Sanders, D. Malueg
1998-6-24
22062
Los Angeles
San Gabriel Mtns.: CCC Ridge, off Hwy 2 just N of Pasadena city limit, So. Cal. Edison Mesa-Vincent transmission line at tower 16-2
823
Comment
RSA753994
Linanthus californicus
Doug Tolbert
1970-5-8
700508 -03
Los Angeles
Angeles National Forest, road to Switzer's Camp, 200 yards from junction with State Route 2
1098
Comment
SD114159
Linanthus californicus
Darley F. Howe
1953-5-31
2296
Los Angeles
Arroyo Seco, Angeles Crest Highway, San Gabriel Mountains.
Comment
SD45586
Linanthus californicus
Darley F. Howe
1953-5-31
Los Angeles
Arroyo Seco, San Gabriel Mountains.
671
Comment
UCSB5148
Linanthus californicus
Kamb, Peter
1947-5-25
Los Angeles
Millard's Canyon near Sunset Ridge guard station, San Gabriel Mts
670
Comment
UCSB8481
Linanthus californicus
Haller, Norman
1953-5-10
Los Angeles
Angeles Crest Hwy about. 2 miles from Foothill Blvd. San Gabriel Mts
Comment
RSA595620
Linanthus concinnus
L. C. Wheeler
1970-5-24
s.n.
Los Angeles
San Gabriel Mountains: Saddle between Mt. Markham and Mt. Lowe.
1615
Comment
RSA679921
Linanthus concinnus
LeRoy Gross, Bill Hogshead, Orlando Mistretta, Valerie Soza
2003-5-23
930
Los Angeles
Southwest ridge that climbs to Mt. Markham (between Mt. Markham and the Mt. Lowe dirt road (2N50.1).
1631
Comment
RSA73012
Linanthus concinnus
F. W. Peirson
365
Los Angeles
Summit of Mt. Lowe.
Comment
SEINET3163729
Linanthus parviflorus
G. B. Grant
1904-5-5
694 a/6185
Los Angeles
at Arroyo Seco Canyon, San Gabriel Mts., southern California
610
Comment
UC167111
Linanthus parviflorus
unknown
1904-5-5
694 a6185
Los Angeles
Arroyo Seco Canyon San Gabriel Mts.
609
Comment
POM308353
Linaria bipartita
Henry J. Ramsey, Henry J. Ramsey
1937-3-21
3030
Los Angeles
Altadena.
Comment
RSA80175
Linaria canadensis
F. W. Peirson
187
Los Angeles
Burned area east of Rubio Canyon
Comment
UCR110897
Linaria maroccana
A. C. Sanders, D. Malueg
1998-6-22
21986 B
Los Angeles
San Gabriel Mtns., foothills along Hwy 2 at La Canada, at turnoff to SCE Gould substation, Gould Canyon watershed
610
Comment
CAS-BOT-BC426269
Lithophragma affine
John H. Thomas
1957-5-11
6751
Los Angeles
San Gabriel Mountains. About 3 miles north of La Canada near Angeles Crest Highway.
762
Comment
JEPS23595
Lithophragma affine
Peter Kamb
1947-5-25
537
Los Angeles
near Sunset Ridge guard station (Millard's Canyon); San Gabriel Mts.
670
Comment
JEPS47656
Lithophragma affine
Frank W. Peirson
1918-5-19
69
Los Angeles
Millard's Canyon; San Gabriel Mountains, Millard's Canyon
609
Comment
SFV17368
Lithophragma affine
J. N. Hogue, D. L. Bishop
1998-5-28
110 .3
Los Angeles
San Gabriel Mountains Arroyo Seco near Switzer's Picnic Area.
976
Comment
UCR213794
Lithophragma affine
Scott D. White, Justin M. Wood, Chris Huntley, Jamie Miner
2009-5-12
12695
Los Angeles
San Gabriel Mountains, Millard Canyon, north of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lower Fire Road
707
Comment
CAS-BOT-BC432206
Lithophragma bolanderi
G. B. Grant
1906-6-10
s.n.
Los Angeles
Castle Canyon, Mt. Lowe
1219
Comment
CAS-BOT-BC432207
Lithophragma bolanderi
Geo. B. Grant
1906-6-10
6675
Los Angeles
Mt. Lowe, Castle Canyon
Comment
JEPS43068
Lithophragma bolanderi
Frank W. Peirson
1918-5-19
69
Los Angeles
just n Altadena (Millard's Canyon, lower slopes of the s face of the San Gabriel Range); lower slopes of s face of San Gabriel Range
609
Comment
RSA747945
Lithophragma bolanderi
Scott D. White, J. Wood, C. Huntley, J. Miner
2009-5-12
12695
Los Angeles
San Gabriel Mountains: Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road.
549
Comment
CDA25421
Lithophragma heterophyllum
T. C. Fuller, T. Suzuki
1958-5-9
s.n.
Los Angeles
Millard Canyon, Cheney Trail above Altadena.
0
Comment Read comments Aug 22 2016
GH363848
Lithophragma heterophyllum
O. D. Allen
1885-04-01 - 1885-05-01
Unknown
Millard's Canon, Sierra Nevada Mts.
Comment
UC1736211
Lithophragma heterophyllum
Dean W. Taylor
1992-5-1
12491
Los Angeles
1 mile East of Gorges Gap on Angeles Crest Highway (Highway 2)
1219
Comment
UCSB33630
Lobelia dunnii
Griesel, Wesley
1961-9-2
Los Angeles
Switzers Camp, San Gabriel Mts.
762
Comment
POM21369
Lobelia dunnii var. serrata
Fordyce Grinnell Jr.
1917-7-29
s.n.
Los Angeles
Upper Millard's Canyon, San Gabriel Mountains.
Comment
RSA149780
Lobelia dunnii var. serrata
Wesley O. Griesel
1961-09
s.n.
Los Angeles
At Switzer's Camp in the San Gabriel Mts.
762
Comment
RSA439331
Lobelia dunnii var. serrata
Fordyce Grinnell Jr.
1910-7-22
3662
Los Angeles
Switzer's Camp, San Gabriel Mountains
Comment
RSA439332
Lobelia dunnii var. serrata
Fordyce Grinnell Jr.
1910-07
3661
Los Angeles
Switzer's Camp, San Gabriel Mountains
Comment
RSA439333
Lobelia dunnii var. serrata
L. E. Hoffman
1927-8-19
s.n.
Los Angeles
Arroyo Seco, near Switzer's Camp
Comment
RSA439334
Lobelia dunnii var. serrata
Geo L. Moxley
1914-9-6
270
Los Angeles
Arroyo Seco, near Switzer's Camp
Comment
RSA0031846
Lobularia maritima
Geraldine Dodd
1992-5-2
003
Los Angeles
2 miles north of corner of Loma Alta Dr. & Lake Ave. in Altadena. Sam Merrill hiking trail.
975
Comment
RSA595511
Lobularia maritima
L. C. Wheeler
1969-2-16
s.n.
Los Angeles
Canyon Crest Road, west side Millard Canyon.
403
Comment
UCR4159
Lobularia maritima
R. H. Sauer
1965-4-13
s.n.
Los Angeles
San Gabriel Mtns. Foothills, Pasadena, Arroyo Seco, just north of Jet Propulsion Laboratory
366
Comment
UCR95264
Logfia gallica
L. C. Wheeler
1967-5-7
9294
Los Angeles
San Gabriel Mtns, Vicinity of Coulter Reservoir, Sunset Ridge, south of Millard Canyon
655
Comment
UCR238470
Lolium multiflorum
Orlando Mistretta, Christine Mistretta
2008-5-5
2653
Los Angeles
Transverse Ranges; San Gabriel Mountains, Southern California Edison transmission line corridor (Segment 11, Impact Area 17 per TRTP Survey 2008), in the vicinity of Millard Canyon
628
Comment
CDA2240
Lolium perenne
L. C. Wheeler
1973-5-12
s.n.
Los Angeles
Transverse Ranges; San Gabriel Mountains region; San Gabriel Mountains: Gould Mesa Picnic Ground.
Comment
RSA594589
Lolium perenne
L. C. Wheeler
1967-5-7
9293
Los Angeles
San Gabriel Mountains. Vicinity of Coulter Reservoir, Sunset Ridge, south of Millard Canyon.
655
Comment
RSA624636
Lolium perenne
L. C. Wheeler
1973-5-12
s.n.
Los Angeles
San Gabriel Mountains: Gould Mesa Picnic Ground.
427
Comment
RSA656862
Lolium perenne
Joseph M. Keefe
2001-1-24
31022
Los Angeles
Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena.
250
Comment
RSA660294
Lolium perenne
Yvonne Rasmussen, Deborah Rasmussen
1984-5-5
37
Los Angeles
5.0 miles past the Pasadena city limits, a pull off on the left side of road as one is going up mountain.
Comment
RSA601625
Lolium perenne subsp. multiflorum
L. C. Wheeler
1967-6-16
9861
Los Angeles
San Gabriel Mountains : North side of Sunset Ridge under power line.
594
Comment
RSA762299
Lolium perenne subsp. multiflorum
Orlando Mistretta, Christine Mistretta
2008-5-5
2653
Los Angeles
Transverse Ranges; San Gabriel Mountains region: Southern California Edison transmission line corridor (Segment 11, Impact Area 17 per TRTP Survey 2008), in the vicinity of Millard Canyon.
627
Comment
RSA592165
Lolium temulentum
L. C. Wheeler
1967-5-7
9289
Los Angeles
San Gabriel Mountains. Vicinity of Coulter Reservoir, Sunset Ridge, south of Millard Canyon.
655
Comment
UC73337
Lomatium lucidum
Geo. B. Grant
1901-1
429
Los Angeles
Altadena
Comment
A422904
Lonicera interrupta
J. G. Jack
1907-7-13
Unknown
Pasadena, Las Cosetas Canon
Comment
UCR132313
Lonicera subspicata
John F. Green
2003-7-17
s.n.
Los Angeles
San Gabriel Mtns., Arroyo Seco, Pasadena, c. 1 mile north of Jet Prop. Lab., transect three
427
Comment
CAS-BOT-BC234861
Lonicera subspicata var. denudata
W. R. Dudley
1900-7-9
s.n.
Los Angeles
Mount Lowe, San Gabriel Mts.
Comment
CHSC22036
Lonicera subspicata var. denudata
Robert A. Schlising
1971-7-10
2995
Los Angeles
0.8 mi W of Red Box Jct to Mt. Wilson, along Angeles Crest Highway (Hwy 2).
Comment
HSC3951
Lonicera subspicata var. denudata
C. E. Fellows
1965-9-7
142
Los Angeles
3 mi. from intersection of Angeles Crest Hwy. and Angeles Forest Hwy. on Angeles Crest Hwy.
1220
Comment
POM68126
Lonicera subspicata var. denudata
Marcus E. Jones
1902-6-20
s.n.
Los Angeles
Mountains near Pasadena.
Comment Read comments Mar 6 2011
RSA455190
Lonicera subspicata var. denudata
Fordyce Grinnell Jr.
1910-06
s.n.
Los Angeles
Long Canyon, San Gabriel Mountains.
Comment
RSA455377
Lonicera subspicata var. denudata
G. D. Wallace
1965-7-18
s.n.
Los Angeles
Angeles Crest Hwy, 2 miles past Switzer Park .
Comment
RSA455380
Lonicera subspicata var. denudata
Fordyce Grinnell Jr.
1910-04
s.n.
Los Angeles
San Rafael Hills, Pasadena
Comment
RSA455381
Lonicera subspicata var. denudata
George B. Grant
1904-6-15
s.n.
Los Angeles
Canyons, Pasadena
Comment
RSA656860
Lonicera subspicata var. denudata
Joseph M. Keefe
2001-1-24
31024
Los Angeles
Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena.
250
Comment
RSA656861
Lonicera subspicata var. denudata
Joseph M. Keefe
2001-1-24
31023
Los Angeles
Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena.
250
Comment
UC532165
Lonicera subspicata var. denudata
L. F. Robbins
July 1927
Los Angeles
near Altadena
Comment
UCR23218
Lotus argophyllus
Polly Schiffman
1981-5-23
024
Los Angeles
Angeles National Forest, San Gabriel Mtns: 0.5 mi north of Red Box Ranger Station and 20 mi north of La Canada-Flintridge on Angeles Crest Hwy
1601
Comment
JEPS55487
Lotus heermannii
Frank W. Peirson
1918-5-21
99
Los Angeles
Arroyo Seco San Gabriel Mountains
487
Comment
POM21385
Lotus heermannii
George B. Grant
1904-6-17
s.n.
Los Angeles
Arroyp Seco Canyon
Comment
RSA406452
Lotus heermannii var. heermannii
Geo. L. Moxley
1915-7-4
357
Los Angeles
Arroyo Seco Canyon, San Gabriel Mountains.
Comment
RSA498313
Lotus heermannii var. heermannii
Edwin Kline
1924-6-22
s.n
Los Angeles
Arroyo Seco. San Gabriel Mountains.
Comment
RSA802334
Lotus heermannii var. heermannii
Orlando Mistretta, Cher Batchelor
2011-7-27
5989
Los Angeles
Arroyo Seco Cyn drainage. Angeles Crest Hwy, near mile market no. 31.
975
Comment
RSA0106486
Lotus nevadensis var. davidsonii
R. G. Swinney
2011-10-18
15824
Los Angeles
San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy.
1021
Comment
RSA682117
Lotus nevadensis var. davidsonii
Valerie L. Soza, Bill Hogshead, Amber Maurice
2003-5-17
s.n.
Los Angeles
Mount Lowe Road (2N50). From junction with Mount Wilson Road southwest to the junction with Chantry Flats Trail (2N65) above Altadena; (Mt. Wilson).
915
Comment
UCR273227
Lotus nevadensis var. davidsonii
R. G. Swinney
2011-10-18
15824
Los Angeles
San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy
1037
Comment
JEPS55557
Lotus oblongifolius var. oblongifolius
Frank W. Peirson
1918-5-21
100
Los Angeles
Arroyo Seco San Gabriel Mountains
487
Comment
RSA670800
Lotus purshianus var. purshianus
Joseph M. Keefe
2001-1-24
31026
Los Angeles
Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena.
250
Comment
JEPS55921
Lotus salsuginosus
F. W. Peirson
1918-6-4
94
Los Angeles
hills e Rubio Canyon; San Gabriel Mts.
609
Comment
RSA0031844
Lotus scoparius
Geraldine Dodd
1992-5-9
006
Los Angeles
3 miles north of corner of Loma Alta Dr. & Lake Ave. in Altadena. Sam Merrill hiking trail. San Gabriel Mts.
1066
Comment
UCR114221
Lotus scoparius
A. C. Sanders, D. Malueg
1998-6-24
22063
Los Angeles
San Gabriel Mtns., CCC Ridge, off Hwy 2 just north of Pasadena city limits, So. Cal. Edison Mesa-Vincent transmission line at tower 16-2
823
Comment
RSA656859
Lotus scoparius var. brevialatus
Joseph M. Keefe
2001-1-24
31025
Los Angeles
Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena.
250
Comment
RSA498654
Lotus scoparius var. scoparius
D. S. Krause
1939-07
s.n.
Los Angeles
Roadside-open field, La Canada foothills
Comment
UCR111528
Lotus scoparius var. scoparius
A. C. Sanders, D. Malueg
1998-6-22
22031
Los Angeles
San Gabriel Mtns., La Canada, SCE Gould Substation off Hwy 2, Gould Canyon
595
Comment
UCR132300
Lotus scoparius var. scoparius
John F. Green
2003-7-17
s.n.
Los Angeles
San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect one
381
Comment
JEPS55866
Lotus strigosus
F. W. Peirson
1918-6-4
97
Los Angeles
e of Rubio Canyon; San Gabriel Mts.
609
Comment
POM50639
Lotus strigosus
L. R. Abrams
1901-04
1287
Los Angeles
Devil's Gate
Comment
RSA498735
Lotus strigosus
Dorothy Davis
1923-4-29
s.n.
Los Angeles
La Canada.
Comment
RSA594588
Lotus strigosus
L. C. Wheeler
1967-5-7
9291
Los Angeles
San Gabriel Mountains. Vicinity of Coulter Reservoir, Sunset Ridge, south of Millard Canyon.
655
Comment
RSA660211
Lotus strigosus
Yvonne Rasmussen, Deborah Rasmussen
1984-5-5
36
Los Angeles
5.0 miles past the Pasadena city limits, a pull off on the left side of road as one is going up mountain.
Comment
RSA406433
Lotus unifoliolatus
D. S. Krause
1939-07
s.n.
Los Angeles
Open fields in foothills, La Canada
Comment
RSA90343
Lotus wrangelianus
F. W. Peirson
1918-5-5
4072
Los Angeles
along road to [Brents] on the Malibu, Santa Monica Mts.
Comment
UCSB3244
Lupinus albifrons
Wilson, Richard
1958-5-10
Los Angeles
6 mi. N of Foothill Blvd. on Angeles Crest Hwy., San Gabriel Mts.
1066
Comment
GH366777
Lupinus arboreus
J. G. Lemmon
89 [?]
Unknown
Lowe Mountain
Comment
UCD107524
Lupinus concinnus
A. C. Sanders; D. Malueg
1998-6-22
22027
Los Angeles
San Gabriel Mtns. La Canada, SCE Gould Substation off Hwy 2, Gould Canyon.
595
Comment
UCR111500
Lupinus concinnus
A. C. Sanders, D. Malueg
1998-6-22
22027
Los Angeles
San Gabriel Mtns., La Canada, SCE Gould Substation off Hwy 2, Gould Canyon
595
Comment
RSA738069
Lupinus excubitus
K. Crawford
1949-5-22
152
Los Angeles
San Rafael Mts
Comment
SD146266
Lupinus excubitus
A. C. Sanders, D. Malueg
1998-6-24
22060
Los Angeles
San Gabriel Mountains, CCC Ridge, off Hwy 2 just north of Pasadena city limits, So. CA Edison Mesa-Vincent transmission line at tower 16-2, open disturbed area; Condor Peak 7.5' quad.
822
Comment
UCR114183
Lupinus excubitus
A. C. Sanders, D. Malueg
1998-6-24
22060
Los Angeles
San Gabriel Mtns., CCC Ridge, off Hwy 2 just north of Pasadena city limits, So. Cal. Edison Mesa-Vincent transmission line at tower 16-2
823
Comment
UCR132316
Lupinus excubitus
John F. Green
2003-7-17
s.n.
Los Angeles
San Gabriel Mtns., Arroyo Seco, Pasadena, c. 1 mile north of Jet Prop. Lab., transect three
427
Comment
UCR231787
Lupinus excubitus
Darren T. Hasegawa
2007-6-1
s.n.
Los Angeles
San Gabriel Mtns., Pasadena, Devils Gate Reservoir, c. 0.5 mi. east of 210 Fwy
320
Comment
RSA407098
Lupinus excubitus var. austromontanus
Anstruther Davidson
1893-6-12
s.n.
Los Angeles
Mt. Disappointment.
Comment
RSA802351
Lupinus excubitus var. excubitus
Orlando Mistretta, Cher Batchelor
2011-7-27
5987
Los Angeles
Arroyo Seco Cyn drainage. Angeles Crest Hwy, near mile market no. 31.
975
Comment
RSA653051
Lupinus excubitus var. hallii
A. C. Sanders, D. Malueg
1998-6-24
22060
Los Angeles
San Gabriel Mtns.: CCC Ridge, off Hwy 2 just N of Pasadena city limit, So. Cal. Edison Mesa-Vincent transmission line at tower 16-2
823
Comment
RSA406945
Lupinus latifolius var. latifolius
Fordyce Grinnell Jr.
1910-07
s.n.
Los Angeles
Switzer's Camp, San Gabriel Mountains
Comment
CAS-BOT-BC211694
Lupinus longifolius
Theodore Payne
1948-5-15
12287
Los Angeles
La Canada
Comment
CAS-BOT-BC211695
Lupinus longifolius
Theodore Payne
1948-5-15
12287
Los Angeles
La Canada
Comment
CAS-BOT-BC211696
Lupinus longifolius
Theodore Payne
1948-5-15
12286
Los Angeles
La Canada
Comment
CAS-BOT-BC211697
Lupinus longifolius
Theodore Payne
1948-5-15
12286
Los Angeles
La Canada
Comment
CAS-BOT-BC211722
Lupinus longifolius
Wesley O. Griesel
1961-5-19
s.n.
Los Angeles
State Highway #2, La Canada burn, San Gabriel Mts.
609
Comment
GH369051
Lupinus longifolius
C. C. Kingman
1910-2-11
Unknown
Altadena
Comment
HSC12459
Lupinus longifolius
Wendell Wood
1970-6-24
39
Los Angeles
Angeles Crest Hwy., 6 mi. beyond intersection of Foothill Blvd.
762
Comment
RSA229740
Lupinus longifolius
Wesley O. Griesel
1961-5-19
s.n.
Los Angeles
State Hwy 2, La Canada Burn
609
Comment
RSA529893
Lupinus longifolius
T. S. Ross
1991-8-16
5797
Los Angeles
Woodwardia canyon, San Gabriel Mtns (N of Pasadena)
819
Comment
UCR23221
Lupinus longifolius
Polly Schiffman
1981-5-23
022
Los Angeles
Angeles National Forest, San Gabriel Mtns: 0.5 mi north of Red Box Ranger Station and 20 mi north of La Canada-Flintridge on Angeles Crest Hwy
1601
Comment
UCR4177
Lupinus longifolius
R. H. Sauer
1965-4-13
s.n.
Los Angeles
Western Transverse Range; San Gabriel Mtns. Foothills, Next to domestic water intake dam in Arroyo Seco Canyon, Pasadena
366
Comment
CHSC26204
Lupinus polycarpus
G. R. Jaffray Jr.
1961-2-12
Los Angeles
Altadena.
304
Comment
UCR111503
Lupinus sparsiflorus
A. C. Sanders, D. Malueg
1998-6-22
22024
Los Angeles
San Gabriel Mtns., Altadena, c. 800 m SSW of Mt. Lowe, N end of Tanoble Dr. at Woodglen Ln., and along trail to the NE
549
Comment
RSA679914
Lupinus stiversii
LeRoy Gross, Sarah J. De Groot
2003-5-17
922
Los Angeles
Mt. Lowe fire road (2N50.1)
1402
Comment
RSA86965
Lupinus stiversii
F. W. Peirson
1921-5-3
2405
Los Angeles
Ridge Westward from Mt. Lowe near pint where the trail from Millard's Canyon crosses it, San Gabriel Mts
1296
Comment
CDA27596
Lupinus truncatus
T. C. Fuller, T. Suzuki
1958-5-9
s.n.
Los Angeles
Millard Canyon, Cheney Trail above Altadena.
0
Comment
JEPS65495
Lupinus truncatus
Frank W. Peirson
1919-3-27
360
Los Angeles
Arroyo Seco Canyon San Gabriel Mts.
411
Comment
UC1178510
Lupinus truncatus
Peter Kamb
1947-5-25
540
Los Angeles
near Sunset Ridge guard station Millard Canyon (San Gabriel Mts.); , Millard Canyon
670
Comment
UCR172777
Lupinus truncatus
Wayne Law, Jun Hu
2000-4-30
06
Los Angeles
Transverse Ranges; San Gabriel Mtns., Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground.
823
Comment
RSA600650
Maclura pomifera
Louis C. Wheeler
1959-4-26
7529
Los Angeles
San Gabriel Mountains: East side of Prieto Canyon, near mouth; west of Dr. Jensen's Sanitarium.
Comment
RSA601561
Madia exigua
L. C. Wheeler
1967-6-16
9844
Los Angeles
San Gabriel Mountains : Sunset Ridge by Millard Canyon; north side NE of Coulter Reservoir.
640
Comment
POM180177
Mahonia dictyota
J. Ewan
1929-9-21
3488
Los Angeles
Millardo Canyon.
1220
Comment Read comments Sep 16 2014
RSA435901
Mahonia dictyota
Albert J. Perkins
1920-3-20
S.N.
Los Angeles
San Gabriel Mts. Millards Canon.
Comment
RSA435914
Mahonia dictyota
L. E. Hoffman
s.n.
Los Angeles
Arroyo Seco Canyon.
Comment
RSA435927
Mahonia dictyota
Fordyce Grinnell Jr.
1910-3-19
S.N.
Los Angeles
Switzers trail. San Gabriel Mountains
762
Comment
RSA452616
Mahonia dictyota
Fordyce Grinnell Jr.
1910-6-11
S.N.
Los Angeles
Switzers trail. San Gabriel Mountains
1067
Comment
RSA85456
Mahonia dictyota
Joseph A. Ewan
1932-7-4
7590
Los Angeles
Millard s Canyon.
1159
Comment
NY24342
Mahonia nevinii
A. M. Ottley
1920-4-30
522
Los Angeles
Arroyo Seco, Pasadena
335.3
Comment
RSA435922
Mahonia pinnata
Luellapearl Hammer
1929-04
S.N.
Los Angeles
Sandy slope, Arroyo Seco
Comment
RSA306273
Malacothamnus fasciculatus
Henry J. Ramsey, Mrs. Ramsey
1938-5-22
1406
Los Angeles
North Craig Ave., Altadena.
Comment
RSA308299
Malacothamnus fasciculatus
Henry J. Ramsey, Henry J. Ramsey
1937-5-16
3084
Los Angeles
Altadena, N. Craig Ave.
Comment
RSA434308B
Malacothamnus fremontii
Bonnie C. Templeton
1926-3-18
s.n.
Los Angeles
Arroyo Seco.
Comment
CAS-BOT-BC345413
Malacothrix clevelandii
Geo. B. Grant
1906-6-10
6668
Los Angeles
Mt Lowe, Pasadena
Comment
CAS-BOT-BC345415
Malacothrix clevelandii
Geo. B. Grant
1906-6-10
6668
Los Angeles
Mt Lowe, Castle Canyon Trail
Comment
JEPS36650
Malacothrix clevelandii
F. W. Peirson
1919-5-21
445
Los Angeles
Arroyo Seco San Gabriel Mts.
685
Comment
PASA321
Malacothrix clevelandii
Frank W. Peirson
1919-5-21
Los Angeles
Arroyo Seco, San Gabriel Mts.
685
Comment
POM362262
Malacothrix clevelandii
Anstruther Davidson
1893-6-12
s.n.
Los Angeles
Switzer's
Comment
SBBG98332
Malacothrix clevelandii
Anstruther Davidson
-Jul-1893
Los Angeles
Switzers Camp
Comment Read comments Mar 31 2015
UCR132353
Malacothrix saxatilis
John F. Green
2003-7-17
s.n.
Los Angeles
San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect one
381
Comment
JEPS36608
Malacothrix saxatilis var. tenuifolia
Elizabeth Day Palmer
1908-8-15
Los Angeles
Arroyo Seco Los Angeles
Comment
POM362380
Malacothrix saxatilis var. tenuifolia
George R. Johnstone
1930-9-14
s.n.
Los Angeles
Edison Road, Dark Canyon, Oakwide.
610
Comment
RSA656858
Malacothrix saxatilis var. tenuifolia
Joseph M. Keefe
2001-1-24
31027
Los Angeles
Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena.
250
Comment
UCR273291
Malacothrix saxatilis var. tenuifolia
R. G. Swinney
2011-10-18
15840
Los Angeles
San Gabriel Mountains, 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2
1021
Comment
A364981
Malosma laurina
J. G. Jack
1907-7-13
Unknown
Pasadena, Las Casitas Canon
Comment
GH347003
Malosma laurina
W. T. Gillis
1978-7-29
14855
Unknown
north of Altadena, Las Flores Canyon, Cobb Estate, foothills of San Gabriel Mts.
Comment
HSC12386
Malosma laurina
Wendell Wood
1970-6-21
22
Los Angeles
Linda Vista Rd. and Chevy Chase, Glendale.
366
Comment
JEPS66249
Malosma laurina
Frank W. Peirson
1918-6-28
105
Los Angeles
Lower Rubio Canyon San Gabriel Mts., Lower Rubio Canyon
609
Comment
RSA386401
Malosma laurina
Fordyce Grinnell Jr.
1910-06
1931
Los Angeles
Switzers Trail. San Gabriel Moutains.
Comment
RSA386405
Malosma laurina
L. E. Hoffman
1931-10-25
s.n.
Los Angeles
Dark Canyon.
Comment
RSA386406
Malosma laurina
B. C. Templeton
1931-11-9
s.n.
Los Angeles
Millards Canyon
Comment
RSA602764
Malosma laurina
L. C. Wheeler
1972-12-24
12799
Los Angeles
San Gabriel Mountains: Las Flores Canyon.
823
Comment
RSA650020
Malosma laurina
Claude T. Powers
1949-1-2
s.n.
Los Angeles
In vacant lot behind 5030 Angeles Crest, La Canada
512
Comment
RSA660203
Malosma laurina
Yvonne Rasmussen, Deborah Rasmussen
1984-5-5
10
Los Angeles
3.8 miles from Pasadena city limits sign, on Angeles Crest Highway.
Comment
RSA76947
Malosma laurina
F. W. Peirson
1920-7-13
105
Los Angeles
along wash land by Rubio Canyon stream; Altadena
Comment
RSA76948
Malosma laurina
Raymond J. Dobbs
1924-7-8
5392
Los Angeles
Along trail 0.5 mile below Switzer s Camp.
930
Comment
SFV16686
Malosma laurina
P. Wilson, J. M. Albert
1996-6-12
3435
Los Angeles
San Gabriel Mountains Off Highway 2 and mile marker 29.13.
823
Comment
UCR239900
Malosma laurina
O. F. Clarke
2004-5-24
s.n.
Los Angeles
San Gabriel Mtns. Foothills, Lake Ave., Pasadena
553
Comment
UCSB3623
Malosma laurina
Kamb, Peter
1948-1-10
Los Angeles
Upper Sonoran Zone; Millards Canyon, San Gabriel Mts.
762
Comment
RSA608756
Malus sylvestris
Louis C. Wheeler
1963-10-13
8406
Los Angeles
Altadena: 47 E. Pine Street.
Comment
JEPS42476
Marah macrocarpa
Frank W. Peirson
1919-1-25
308
Los Angeles
Arroyo Seco San Gabriel Mountains
365
Comment
RSA440997
Marah macrocarpa
Louis Greata
1901-03
s.n.
Los Angeles
Arroyo Seco ?
Comment
RSA657472
Marah macrocarpa
Joseph M. Keefe
2001-1-24
31029
Los Angeles
Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena.
250
Comment
SD234370
Marah macrocarpa
Wayne Law, Jun Hu
2000-4-30
2
Los Angeles
Transverse Ranges; San Gabriel Mtns.: Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground.
518
Comment
UC56360
Marah macrocarpa
Ernest Braunton
1903-1-10
797
Los Angeles
Arroyo Seco
Comment
UCR174493
Marah macrocarpa
Wayne Law, Jun Hu
2000-4-30
02
Los Angeles
Transverse Ranges; San Gabriel Mtns., Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground.
823
Comment
RSA82530
Marrubium vulgare
F. W. Peirson
1920-4-22
1048
Los Angeles
At 1085 New York Drive, Altadena.
Comment
UCR219243
Marrubium vulgare
Lorraine Weller
2010-8-17
010910- 01
Los Angeles
Altadena Community Garden, corner of Lincoln Ave. & Palm St., Altadena
395
Comment
CAS-BOT-BC422748
Meconella denticulata
John H. Thomas
1957-5-11
6748
Los Angeles
San Gabriel Mountains. About 3 miles north of La Canada near Angeles Crest Highway.
762
Comment
CAS-BOT-BC422753
Meconella denticulata
Geo. B. Grant
1900-4-12
s.n.
Los Angeles
Mt Lowe, Castle Canon [Canyon]
Comment
JEPS51534
Meconella denticulata
Frank W. Peirson
1918-5-19
36
Los Angeles
Millards Canyon San Gabriel Mtns
609
Comment
LA206251
Meconella denticulata
Carl Epling;
May 1926
sn
Los Angeles
Arroyo Seco
Comment
UC1178663
Meconella denticulata
Peter Kamb
1947-5-25
536
Los Angeles
near Sunset Ridge Guard station; San Gabriel Mtns, Millard Canyon
670
Comment
CAS-BOT-BC281521
Melica imperfecta
L. A. Greata
1900-4-11
s.n.
Los Angeles
Mt Lowe
Comment
POM353050
Melica imperfecta
L. E. Hoffman
1934-5-13
s.n.
Los Angeles
Millard's Canyon, Angeles Forest.
Comment Read comments Jan 1 2017
POM357044
Melica imperfecta
George R. Johnstone
1925-4-11
s.n.
Los Angeles
Mt. Lowe
Comment
RSA623809
Melica imperfecta
A. Stephenson
1965-5-9
9
Los Angeles
1/4 mile along Arroyo Seco Trail past Lower Switzer Campground, Angeles National Forest, [San Gabriel Mountains].
1381
Comment
RSA660205
Melica imperfecta
Yvonne Rasmussen, Deborah Rasmussen
1984-5-5
22
Los Angeles
3.8 miles from Pasadena city limits sign, on Angeles Crest Highway.
Comment
RSA679918
Melica imperfecta
LeRoy Gross, Bill Hogshead, Orlando Mistretta, Valerie Soza
2003-5-23
927
Los Angeles
Southwest ridge that climbs to Mt. Markham (between Mt. Markham and the Mt. Lowe dirt road (2N50.1).
1631
Comment
RSA87337
Melica imperfecta
F. W. Peirson
1922-5-30
5365
Los Angeles
Dawn Station, Mt. Lowe, San Gabriel Mountains.
Comment
RSA87457
Melica imperfecta
F. W. Peirson
1918-04
1569
Los Angeles
Altadena.
Comment
UCD88019
Melica imperfecta
F. M. Reed
1925-5-18
5134
Los Angeles
La Canada.
396
Comment
UCR2561
Melica imperfecta
F. M. Reed
1925-5-18
5134
Los Angeles
La Canyada [La Canada]
396
Comment
UCR136848
Melilotus indicus
John F. Green
2003-6-24
s.n.
Los Angeles
Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory
381
Comment
RSA679924
Mentzelia montana
LeRoy Gross, Bill Hogshead, Orlando Mistretta, Valerie Soza
2003-5-23
933
Los Angeles
Southwest ridge that climbs to Mt. Markham (between Mt. Markham and the Mt. Lowe dirt road (2N50.1).
1631
Comment
RSA802453
Mentzelia obscura
Orlando Mistretta, Cher Batchelor
2011-7-27
5986
Los Angeles
Arroyo Seco Cyn drainage. Angeles Crest Hwy, near mile market no. 31.
975
Comment
LA209012
Micranthes californica
Zaitlin;
1951-3-17
Los Angeles
San Gabriel Mountains, Angeles Crest Highway S side
761
Comment
RSA298673
Mimulus aurantiacus
D. C. Michener
1982-8-3
4165
Los Angeles
San Gabriel Mountains: CA 2 ca. 7.6 miles above junction with I-210 in Pasadena.
Comment
RSA442635
Mimulus aurantiacus
N. C. Cooper
1949-6-18
4216
Los Angeles
Angeles Crest Highway.
610
Comment
RSA442652
Mimulus aurantiacus
Edwin Kline
1924-6-22
14861
Los Angeles
Arroyo Seco. San Gabriel Mountains.
Comment
RSA537265
Mimulus aurantiacus
Fordyce Grinnell Jr.
1910-06
3465
Los Angeles
Switzers Trail. San Gabriel Moutains.
Comment
RSA550786
Mimulus aurantiacus
David M. Thompson
1992-5-22
1075
Los Angeles
N of Flintridge. 4.4 miles N of 210 Freeway along Highway 2
793
Comment
RSA660213
Mimulus aurantiacus
Yvonne Rasmussen, Deborah Rasmussen
1984-5-5
21
Los Angeles
3.8 miles from Pasadena city limits sign, on Angeles Crest Highway.
Comment
RSA660468
Mimulus aurantiacus
Mary C. Hunter
1994-5-28
30
Los Angeles
Off Angeles Crest Hwy, West of highway heading North; Road marked 2931; Pasadena
61
Comment
RSA711113
Mimulus aurantiacus
Tim Thibault, K. E. Olshewsky
2004-5-22
267
Los Angeles
fire road off Hwy. 2
910
Comment
RSA82099
Mimulus aurantiacus
Unspecified
1920-4-22
4494
Los Angeles
Rubio Canyon, south base of San Gabriel Mountains.
534
Comment
UCD122222
Mimulus aurantiacus
A. C. Sanders; D. Malueg
1998-6-22
22028
Los Angeles
San Gabriel Mtns. La Canada, SCE Gould Substation off Hwy 2, Gould Canyon.
595
Comment
GH367079
Mimulus aurantiacus var. pubescens
G. B. Grant
1904-5-24
286
Unknown
Altadena
Comment
HSC12517
Mimulus aurantiacus var. pubescens
Wendell Wood
1970-6-20
12
Los Angeles
Linda Vista Rd. and Figueroa, Glendale
457
Comment
JEPS87293
Mimulus aurantiacus var. pubescens
David M. Thompson
1992-5-22
1075
Los Angeles
n Flintridge (4.4 mi n of 210 Freeway along Hwy 2)
790
Comment
LA209106
Mimulus aurantiacus var. pubescens
A. L. Beatty;
1940-4-22
Los Angeles
Pasadena, Arroyo Seco
Comment
RSA439240
Mimulus aurantiacus var. pubescens
Fordyce Grinnell Jr.
1910-04
s.n.
Los Angeles
San Rafael Hills, Pasadena.
Comment
UCR111508
Mimulus aurantiacus var. pubescens
A. C. Sanders, D. Malueg
1998-6-22
22028
Los Angeles
San Gabriel Mtns., La Canada, SCE Gould Substation off Hwy 2, Gould Canyon
595
Comment
UCR174916
Mimulus aurantiacus var. pubescens
Holly Summers
2006-6-4
41
Los Angeles
San Gabriel Mountains, 2 miles north of Foothill Blvd. on Angeles Crest Highway (Hwy 2), near Brown Canyon
701
Comment
UCR208221
Mimulus aurantiacus var. pubescens
Fordyce Grinnell Jr.
1910-1
s.n.
Los Angeles
San Gabriel Mountains, Switzer's Trail
Comment
UCR23217
Mimulus aurantiacus var. pubescens
Polly Schiffman
1981-5-23
30
Los Angeles
San Gabriel Mtns, 2 mi N on Angeles Crest Hwy from Ranger Station which is 3 mi north of La Canada-Flintridge
1067
Comment
POM43813
Mimulus brevipes
Martin
1903-6-3
s.n.
Los Angeles
Rubio Canyon, Mt. Lowe.
Comment
RSA102534
Mimulus brevipes
C. S. Williamson
1901-7-24
s.n.
Los Angeles
Mt. Lowe.
Comment
RSA420383
Mimulus brevipes
G. R. Johnstone
1925-4-10
s.n.
Los Angeles
Mt. Lowe.
Comment
RSA624030
Mimulus brevipes
Raymond J. Dobbs
1926-5-22
1241
Los Angeles
Switzer's, San Gabriel Mountains.
Comment
RSA0105035
Mimulus cardinalis
R. G. Swinney
2011-10-18
15807
Los Angeles
San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy.
1021
Comment
RSA420673
Mimulus cardinalis
Fordyce Grinnell Jr.
1910-06
3466
Los Angeles
West Fork divide, San Gabriel Mountains.
Comment
RSA80121
Mimulus cardinalis
F. W. Peirson
1910-08
194
Los Angeles
Mt. Lowe, San Gabriel Mountains.
Comment
SEINET13276777
Mimulus cardinalis
R. G. Swinney
2011-1
15807
Los Angeles
San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy (Condor Peak 7.5' Q.) (T2N R12W)
1021
Comment
UC56258
Mimulus cardinalis
Ernest Braunton
July 1902
549
Los Angeles
Arroyo Seco
Comment
UCR132310
Mimulus cardinalis
John F. Green
2003-7-17
s.n.
Los Angeles
San Gabriel Mtns., Arroyo Seco, Pasadena, c. 1 mile north of Jet Prop. Lab., transect three
427
Comment
UCR231788
Mimulus cardinalis
Darren T. Hasegawa
2007-6-1
s.n.
Los Angeles
San Gabriel Mtns, Pasadena, c. 1 mile north of Rose Bowl
305
Comment
UCR273380
Mimulus cardinalis
R. G. Swinney
2011-10-18
15807
Los Angeles
San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy
1037
Comment
JEPS30709
Mimulus floribundus
Peter H. Raven, W. O. Griesel
1961-10-13
16843
Los Angeles
about 200 yards above Switzers Camp; Upper Arroyo Seco
762
Comment
RSA0105028
Mimulus floribundus
R. G. Swinney
2011-10-18
15812
Los Angeles
San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy.
1021
Comment
RSA151133
Mimulus floribundus
Peter H. Raven, Wesley O. Griesel
1961-10-13
16843
Los Angeles
Upper Arroyo Seco, above Switzer's Camp
762
Comment
UCR273200
Mimulus floribundus
R. G. Swinney
2011-10-18
15812
Los Angeles
San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy
1037
Comment
RSA80496
Mimulus fremontii var. fremontii
F. W. Peirson
1905-5-28
1122
Los Angeles
Rubio Canyon wash above New York Ave., Altadena.
Comment
LA209384
Mimulus guttatus
Carl Epling;
May 1926
sn
Los Angeles
Arroyo Seco
Comment
LA209386
Mimulus guttatus
Carl Epling; M. Epling
May 1920
sn
Los Angeles
Pasadena, Arroyo Seco
Comment
RSA80120
Mimulus johnstonii
F. W. Peirson
1920-6-10
196
Los Angeles
Divide between Mt. Lowe and Mt. Markham
1646
Comment
RSA0035190
Mimulus longiflorus
Geraldine Dodd
1992-5-9
7
Los Angeles
3 miles north of the corner of Loma Alta Dr. and Lake Ave. in Altadena. Sam Merrill hiking trail. San Gabriel Mts.
1066
Comment
JEPS11362
Mimulus nasutus
F. W. Peirson
1918-5-19
197
Los Angeles
back of Altadena; San Gabriel Mts., Millards Canyon
762
Comment
POM306773
Mimulus pilosus
Henry J. Ramsey, Henry J. Ramsey
1937-9-2
1624
Los Angeles
Ladybug Canyon, Angeles Crest Highway.
Comment
UCR273300
Mimulus pilosus
R. G. Swinney
2011-10-18
15837
Los Angeles
San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy
1037
Comment
CAS-BOT-BC388664
Minuartia douglasii
Geo. B. Grant
1906-6-10
6669
Los Angeles
Mt Lowe, Castle Canyon Trail
1219
Comment
GH400491
Monardella breweri subsp. lanceolata
L. C. Wheeler
1947-7-11
6545
Unknown
San Gabriel Mountains: Millard Canyon. Mesa between Millard Canyon and Arroyo Seco
441
Comment
SEINET3152588
Monardella breweri subsp. lanceolata
G. B. Grant
796 -A
Los Angeles
Mt. Lowe.
Comment
SEINET892770
Monardella breweri subsp. lanceolata
G. B. Grant
1903-1
796 -a
Los Angeles
Mt. Lowe. No other locality information specified
Comment
UCR137727
Monardella breweri subsp. lanceolata
L. C. Wheeler
1947-7-11
6545
Los Angeles
San Gabriel Mtns., Millard Canyon. Mesa between Millard Canyon and Arroyo Seco
442
Comment
UCSB32451
Monardella breweri subsp. lanceolata
Miller, Brian
1960-7-11
Los Angeles
Switzer's Inlet, San Gabriel Mountains
914
Comment
RSA608036
Monardella lanceolata
Louis C. Wheeler
1947-7-11
6545
Los Angeles
San Gabriel Mountains: Millard Canyon. Mesa between Millard Canyon and Arroyo Seco.
442
Comment
SD215570
Monardella lanceolata
Louis C. Wheeler
1947-7-11
6545
Los Angeles
San Gabriel Mountains; Millar Canyon, mesa between Millard Canyon and Arroyo Seco.
441
Comment
PASA373
Montia perfoliata
Imogene Hammond
Los Angeles
Millard Cañon, Pasadena
Comment
RSA65202
Mucronea californica
F. W. Peirson
1951-1
1778
Los Angeles
Rubio Wash, Altadena
Comment
CAS-BOT-BC262698
Muhlenbergia californica
W. R. Dudley
1899-7-1
s.n.
Los Angeles
Near Alpine Tavern, Mount Lowe
Comment
CHSC98735
Muhlenbergia californica
LeRoy Gross
2003-1-11
680
Los Angeles
Transverse Ranges: San Gabriel Mountains Region;: Middle of Oakwilde trail campground, in the Arroyo Seco Canyon. Above the confluence of Dark Canyon. Along west side of the Arroyo Seco Creek, just on the creek's bank.
604
Comment
RSA617233
Muhlenbergia californica
LeRoy Gross
1998-9-12
53
Los Angeles
Arroyo Seco Canyon between Switzer's Falls and Switzer's Campground
853
Comment
RSA673612
Muhlenbergia californica
LeRoy Gross
2003-1-11
680
Los Angeles
Middle of Oakwilde trail campground, in the Arroyo Seco Canyon. Above the confluence of Dark Canyon
604
Comment
UCR178084
Muhlenbergia californica
LeRoy Gross
2003--11
680
Los Angeles
San Gabriel Mountains, Middle of Oakwilde trail campground, in the Arroyo Seco Canyon. Above the confluence of Dark Canyon
604
Comment
GH355839
Muhlenbergia microsperma
G. B. Grant
1901-06-01 - 1901-07-01
Unknown
Altadena, Cal.
Comment Read comments Jul 4 2012
UC76934
Muhlenbergia microsperma
Geo. B. Grant
June 1901
801
Los Angeles
Altadena
Comment
RSA608038
Muhlenbergia rigens
L. C. Wheeler
1947-7-11
6543
Los Angeles
San Gabriel Mountains: Millard Canyon.
412
Comment
JEPS62059
Muilla maritima
Frank W. Peirson
1918-5-21
5
Los Angeles
Arroyo Seco San Gabriel Mts.
457
Comment
UC821970
Nassella lepida
Agnes Chase
Apr 12 1910-Apr 15 1910
5559
Los Angeles
near mouth of Rubio Canyon (base of mt); Echo Mt.
Comment
UC822010
Nassella pulchra
Agnes Chase
1910-4-18
5589
Ventura
hillside facing sea
Comment
UCR119280
Navarretia hamata
A. C. Sanders, D. Malueg
1998-6-22
22054
Los Angeles
Foothills of San Gabriel Mtns., Sunset Ridge, Millard Canyon watershed north of Altadena, SCE powerlines near Millard Picnic Area, Angeles National Forest, N end of Chaney Trail
610
Comment
RSA75129
Nemacladus pinnatifidus
F. W. Peirson
1918-6-12
219
Los Angeles
In area recently burned over, in hills east of Rubio Canyon, San Gabriel Mts.
548
Comment
JEPS5226
Nemacladus ramosissimus
Frank W. Peirson
1918-6-4
220
Los Angeles
foothills e. of Rubio Canyon; San Gabriel Mountains
609
Comment
JEPS78508
Nemacladus ramosissimus
Frank W. Peirson
1918-6-4
220
Los Angeles
foothills e. of Rubio Canyon; San Gabriel Mountains
609
Comment
RSA75121
Nemacladus ramosissimus
F. W. Peirson
1918-6-4
220
Los Angeles
Burned area in Hlls east of Rubio Canyon
Comment
SFV5408
Nemophila menziesii
J. Turner, F. M. Ball, C. Blake
1962-6-2
s. n.
Los Angeles
San Gabriel Mountains Roadside along Route 2 (Angeles Crest Highway) about 5 miles north of La Canada.
793
Comment
UCR172709
Nemophila menziesii
Jun Hu, Weena Sangkatavat
2000-4-22
06
Los Angeles
Transverse Ranges; San Gabriel Mtns., Millard Canyon, 2 mi N of Altadena. First trail on the right immediately before Millard Campground
549
Comment
UCR172782
Nemophila menziesii
Wayne Law, Jun Hu
2000-4-30
05
Los Angeles
Transverse Ranges; San Gabriel Mtns., Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground.
823
Comment
JEPS1805
Nemophila menziesii var. integrifolia
Frank W. Peirson
1918-5-19
166
Los Angeles
Millards Canyon , Millards Canyon (San Gabriel Mountains)
609
Comment
SD58283
Nemophila menziesii var. integrifolia
Frank W. Peirson
1918-5-19
166
Los Angeles
San Gabriel Mountains; Millards Canyon.
609
Comment
SFV17366
Nemophila menziesii var. menziesii
J. N. Hogue, D. L. Bishop
1998-5-28
110 .1
Los Angeles
San Gabriel Mountains Arroyo Seco near Switzer's Picnic Area.
976
Comment
UCSB5334
Nemophila menziesii var. menziesii
Wilson, Richard
1958-5-10
Los Angeles
3 miles N of Foothill Blvd. on Angeles Crest Highway
914
Comment
UC1366006
Nemophila pulchella var. gracilis
Paul Currie
1969-7
Los Angeles
vicinity Altadena (Millard Canyon, San Gabriel Mountains); San Gabriel Mountains, vicinity of Altadena
609
Comment Read comments Feb 20 2007
RSA295231
Nemophila pulchella var. pulchella
Paul Currie
1969-1
s.n.
Los Angeles
Millard Canyon, vicinity of Altadena
610
Comment
CAS-BOT-BC231564
Nicotiana glauca
J. H. Thomas
1956-9-29
6460
Los Angeles
Pasadena. Behind Devil's Gate Dam
Comment
CAS-BOT-BC231565
Nicotiana glauca
Jean L. Pawek
1964-9-14
626
Los Angeles
San Gabriel Mountains, near Switzer Camp
914
Comment
HSC12516
Nicotiana glauca
Wendell Wood
1970-6-17
11
Los Angeles
Linda Vista Rd. & Chevy Chase, Glendale
366
Comment
JEPS12500
Nicotiana glauca
Frank W. Peirson
1919-3-27
352
Los Angeles
Arroyo Seco; San Gabriel Mountains
381
Comment
POM305054
Nicotiana glauca
Henry J. Ramsey, Henry J. Ramsey
1937-1-2
366
Los Angeles
Altadena.
396
Comment
POM306268
Nicotiana glauca
Henry J. Ramsey, Henry J. Ramsey
1938-1-2
1411
Los Angeles
North Craig Ave., Altadena.
Comment
POM307173
Nicotiana glauca
Henry J. Ramsey, Henry J. Ramsey
1937-8-29
2097
Los Angeles
Altadena.
396
Comment
RSA80765
Nicotiana glauca
F. W. Peirson
1920-4-25
352
Los Angeles
Arroyo Seco Canyon, near Pasadena, Ca.
381
Comment
POM355618
Oenothera elata subsp. hirsutissima
Ada Moxley
1915-7-24
438
Los Angeles
Arroyo Seco Canyon above Oak Wilde Camp.
Comment
POM13161
Oenothera laciniata
P. A. Munz
1922-7-17
6127
Los Angeles
Pasadena. New York Ave.
Comment
RSA75430
Oenothera laciniata
F. W. Peirson
1922-6-14
3093
Los Angeles
1085 New York Drive, Altadena.
Comment
UC218024
Oenothera laciniata
P. A. Munz
1922-7-17
6127
Los Angeles
New York Ave. Pasadena
Comment
UC873993
Oenothera laciniata
P. A. Munz
1922-7-17
6127
Los Angeles
New York Ave. Pasadena
Comment
RSA607676
Oenothera rosea
Louis C. Wheeler
1951-5-14
6801
Los Angeles
Pasadena: Devils Gate Dam. Arroyo Seco.
Comment
UCR102375
Oenothera rosea
L. C. Wheeler
1951-5-14
6801
Los Angeles
Base of San Gabriel Mtns., Pasadena, Devils Gate Dam, Arroyo Seco
Comment
RSA595508
Olea europaea
Louis C. Wheeler
1969-2-16
s.n.
Los Angeles
Canyon Crest Road, west side Millard Canyon.
404
Comment
RSA612187
Opuntia littoralis
L. C. Wheeler
1972-4-19
s.n.
Los Angeles
San Gabriel Mountains: Las Flores Canyon.
Comment
JEPS11683
Orobanche bulbosa
Frank W. Peirson
1919-5-14
417
Los Angeles
e. trail Mt. Lowe; San Gabriel Mts., Mt. Lowe
1295
Comment
JEPS15945
Osmorhiza brachypoda
Frank W. Peirson
1918-5-19
135
Los Angeles
Millards Canyon San Gabriel Mountains
Comment
JEPS2994
Osmorhiza brachypoda
Frank W. Peirson
1919-5-21
451
Los Angeles
Arroyo Seco San Gabriel Mountains
609
Comment
JEPS2995
Osmorhiza brachypoda
Frank W. Peirson
1919-5-21
451
Los Angeles
Arroyo Seco San Gabriel Mountains
609
Comment
RSA458991
Osmorhiza brachypoda
L. E. Hoffman
1934-7-24
s.n.
Los Angeles
Millard s Canyon, Angeles Forest.
Comment
UCSB4619
Osmorhiza brachypoda
Decker, Helen
1946-4-14
Los Angeles
Arroyo Seco Canyon, near Switzer's Camp
975
Comment
UC174039
Oxalis albicans subsp. pilosa
G. B. Grant
1901-5-9
8378
Los Angeles
Altadena
Comment
CAS-BOT-BC400778
Paeonia californica
Jun Hu; Weena Sangkatavat
2000-4-22
04
Los Angeles
Transverse Ranges; San Gabriel Mtns.: Millard Canyon, 2 mi N of Altadena. First trail on the right immediately before Millard Campground
549
Comment
JEPS55202
Paeonia californica
Frank W. Peirson
1919-1-25
314
Los Angeles
Arroyo Seco San Gabriel Mountains
381
Comment
RSA85310
Paeonia californica
Mabel Peirson
1925-2-14
5434
Los Angeles
Arroyo Seco at the Devil's Gate, Pasadena
Comment
UCR172707
Paeonia californica
Jun Hu, Weena Sangkatavat
2000-4-22
04
Los Angeles
Transverse Ranges; San Gabriel Mtns., Millard Canyon, 2 mi N of Altadena. First trail on the right immediately before Millard Campground
549
Comment
UCR95752
Paeonia californica
L. C. Wheeler
1967-4-23
9189
Los Angeles
San Gabriel Mtns, N slope of Sunset Ridge at edge of firebreak by Millard Canyon
610
Comment
RSA686728
Pellaea andromedifolia
L. E. Hoffman
1931-11-25
s.n.
Los Angeles
Millard's Canyon
Comment
CAS-BOT-BC67582
Pellaea mucronata
Parish
1901-3-24
3644
Los Angeles
Rubio Wash
Comment
UCR132315
Pellaea mucronata
John F. Green
2003-7-17
s.n.
Los Angeles
San Gabriel Mtns., Arroyo Seco, Pasadena, c. 1 mile north of Jet Prop. Lab., transect three
427
Comment
UC1795033
Pellaea mucronata subsp. mucronata
Ruth Kirkpatrick
2001-7-30
1079
Los Angeles
San Gabriel Mountains at Red Box Picnic Area on Angeles Crest Hwy (Hwy 2), Angeles National Forest Red Box Station. Angeles Crest Hwy and Mount Wilson/Red Box
1432
Comment
RSA599745
Pennisetum clandestinum
L. C. Wheeler
1967-11-13
s.n.
Los Angeles
San Gabriel Mountains : Millard Canyon; just below Canyon Crest Road.
411
Comment
RSA613027
Pennisetum clandestinum
L. C. Wheeler
1974-12-29
s.n.
Los Angeles
San Gabriel Mountains: Millard Canyon just inside Angeles National Forest Boundary.
Comment
UCR108356
Pennisetum clandestinum
L. C. Wheeler
1974-12-29
s.n.
Los Angeles
San Gabriel Mtns., Bottom of Millard Canyon, on both sides of Angeles National Forest boundary. E side of canyon
Comment
JEPS13628
Penstemon centranthifolius
Peter Kamb
1947-6-1
551
Los Angeles
n slope Mt. Disappointment San Gabriel Mts.
1554
Comment
RSA79779
Penstemon centranthifolius
F. W. Peirson
1905-1
200
Los Angeles
Mt. Lowe, San Gabriel Mountains.
Comment
UC219121
Penstemon grinnellii
G. B. Grant
1904-6-26
Los Angeles
Mt. Lowe Mt. Lowe (Southern California)
Comment
UCR23177
Penstemon grinnellii
Polly Schiffman
1981-5-23
025
Los Angeles
Angeles National Forest, San Gabriel Mtns: 0.5 mi north of Red Box Ranger Station and 20 mi north of La Canada-Flintridge on Angeles Crest Hwy
1601
Comment
POM4526
Penstemon grinnellii subsp. grinnellii
George B. Grant
1904-6-26
s.n.
Los Angeles
Mt. Lowe.
Comment
RSA79854
Penstemon grinnellii subsp. grinnellii
F. W. Peirson
1905-1
201
Los Angeles
Mt. Lowe, San Gabriel Mountains.
Comment
JEPS13629
Penstemon grinnellii var. grinnellii
Peter Kamb
1947-6-1
550
Los Angeles
n slope Mt. Disappointment San Gabriel Mts.
1524
Comment
NY601182
Penstemon grinnellii var. grinnellii
F. W. Peirson
1918-6-10
201
Unknown
Mt. Lower, San Gabriel Mountains
5000
Comment Read comments Aug 21 2016
NY601205
Penstemon grinnellii var. grinnellii
G. T. Hastings
1931-6-8
s.n.
Unknown
Mt. Lowe, on trail to Arroyo Seco.
Comment Read comments Jun 6 2016
SFV16156
Penstemon grinnellii var. grinnellii
P. A. Krueger
1994-5-18
33
Los Angeles
San Gabriel Mountains 5.5 miles north on Mount Lowe Truck Trail from Chaney Trail.
900
Comment
JEPS7998
Penstemon grinnellii var. scrophularioides
F. W. Peirson
1918-6-10
201
Los Angeles
Mt. Lowe San Gabriel Mts., Mt. Lowe
1524
Comment
RSA407920
Penstemon heterophyllus subsp. australis
Howard Mullins
1931-5-1
s.n.
Los Angeles
Flintridge Hills
Comment
RSA79838
Penstemon heterophyllus subsp. heterophyllus
F. W. Peirson
202
Los Angeles
Devils Gate, Arroyo Seco, west of Pasadena.
Comment
JEPS7558
Penstemon heterophyllus var. australis
F. W. Peirson
1918-6-10
202
Los Angeles
Mt. Lowe San Gabriel Mts., Mt. Lowe
762
Comment
NY601634
Penstemon heterophyllus var. australis
A. M. Ottley
1920-5-8
641
Los Angeles
San Rafael Hills
Comment
NY601673
Penstemon heterophyllus var. australis
F. W. Johnson
1913-9-7
1537
Los Angeles
Echo Mountain, Altadena
1066.8
Comment
RSA408094
Penstemon heterophyllus var. australis
Albert J. Perkins
1914-5-10
s.n.
Los Angeles
Mt. Lowe.
Comment
SD37447
Penstemon heterophyllus var. heterophyllus
Florence Post
1931-5-4
2054 c
Los Angeles
Flintridge Hills, hillside
Comment
UC76099
Penstemon heterophyllus var. heterophyllus
Geo. B. Grant
June 1901
937
Los Angeles
Mt. Lowe Mt. Lowe (So. Cal.)
Comment
SFV20412
Penstemon laetus
P. Wilson
2005-3-23
4217
Los Angeles
San Gabriel Mountains Millard Canyon, Chaney Trail.
640
Comment
SEINET10376032
Penstemon rostriflorus
Wesley O. Griesel
1961-1
Los Angeles
State Hwy. 2 near White Thorn Picnic Area, San Gabriel Mountains
2286
Comment
HSC12391
Penstemon spectabilis
Wendell Wood
1970-6-20
17
Los Angeles
Linda Vista Rd. and Figueroa, Glendale
457
Comment
UCR114182
Penstemon spectabilis
A. C. Sanders, D. Malueg
1998-6-24
22059
Los Angeles
San Gabriel Mtns., CCC Ridge, off Hwy 2 just north of Pasadena city limits, So. Cal. Edison Mesa-Vincent transmission line at tower 16-2
823
Comment
POM308414
Penstemon spectabilis subsp. subviscosus
Henry J. Ramsey, Henry J. Ramsey
1937-5-27
3106
Los Angeles
Altadena, North Craig Ave.
Comment
RSA401904
Penstemon spectabilis subsp. subviscosus
L. E. Hoffman
1927-8-16
s.n.
Los Angeles
Upper Arroyo Seco, near Switzer's Camp. Under Club Pk.
1159
Comment
RSA657469
Penstemon spectabilis subsp. subviscosus
C. Schapiro
1979-4-10
2
Los Angeles
Verdugo Mountains; On fire road at intersection of Linda Vista Rd. and Figueroa St., North Glendale
762
Comment
JEPS11603
Penstemon spectabilis var. subviscosus
Frank W. Peirson
1924-6-16
Los Angeles
foothills near Pasadena; San Gabriel Mountains, foothills near Pasadena
Comment
JEPS85719
Penstemon spectabilis var. subviscosus
Frank W. Peirson
1924-6-16
Los Angeles
near Pasadena (foothills of the San Gabriel Mountains); San Gabriel Mountains
Comment
CAS-BOT-BC71668
Pentagramma triangularis subsp. triangularis
Le Roy Abrams
1999-3-11
s.n.
Los Angeles
Millards Canyon
Comment
RSA687374
Pentagramma triangularis subsp. triangularis
L. E. Hoffman
1931-11-25
s.n.
Los Angeles
Millard's Canyon, Angeles National Forest
Comment
RSA687375
Pentagramma triangularis subsp. triangularis
L. E. Hoffman
1931-11-25
s.n.
Los Angeles
Millard's Can. Angeles National Forest
Comment
CHSC3681
Phacelia
Mary MacArthur
1966-5-26
28
Los Angeles
San Gabriel Mts. Switzers Camp.
914
Comment
UCSB33680
Phacelia brachyloba
Miller, Brian
1960-7-11
Los Angeles
Switzer's Inslet, San Gabriel Mountains
914
Comment
RSA654868
Phacelia grandiflora
A. C. Sanders, D. Malueg
1998-6-22
22025
Los Angeles
San Gabriel Mtns.: Altadena, ca. 800 m SSW of Mt. Lowe, N end of Tanoble Dr. at Woodglen Lane, and along trail to the NE.
549
Comment
SFV16223
Phacelia grandiflora
P. A. Krueger
1994-5-18
44
Los Angeles
San Gabriel Mountains 2.4 miles north on Mount Lowe Truck Trail from Chaney Trail.
900
Comment
UCR111502
Phacelia grandiflora
A. C. Sanders, D. Malueg
1998-6-22
22025
Los Angeles
San Gabriel Mtns., Altadena, c. 800 m SSW of Mt. Lowe, N end of Tanoble Dr. at Woodglen Ln., and along trail to the NE
549
Comment
UCR147262
Phacelia grandiflora
Orlando Mistretta, Mike Hammitt
1991-6-21
s.n.
Los Angeles
Transverse Ranges; San Gabriel Mtns region, Near crossing of USFS Road 2N66 and Fern Canyon drainage just west of water tank
768
Comment
UCR23179
Phacelia imbricata
Polly Schiffman
1981-5-23
27
Los Angeles
San Gabriel Mtns, 2 mi N on Angeles Crest Hwy from Ranger Station which is 3 mi north of La Canada-Flintridge
1067
Comment
RSA74922
Phacelia imbricata subsp. imbricata
F. W. Peirson
1905-5-28
974
Los Angeles
Rubio Wash above New York Ave., Pasadena
366
Comment
RSA428045
Phacelia longipes
Geo. L. Moxley
1915-7-4
364
Los Angeles
Arroyo Seco Canyon, San Gabriel Mountains.
Comment
RSA428047
Phacelia longipes
Anstruther Davidson
1893-6-12
s.n.
Los Angeles
Switzer s
Comment
RSA428048
Phacelia longipes
Robert Gustafson
1973-5-17
s.n.
Los Angeles
3 mi southwest of the Mt. Wilson turnoff on Angeles Crest Highway
1585
Comment
RSA679925
Phacelia longipes
LeRoy Gross, Bill Hogshead, Orlando Mistretta, Valerie Soza
2003-5-23
934
Los Angeles
Southwest ridge that climbs to Mt. Markham (between Mt. Markham and the Mt. Lowe dirt road (2N50.1).
1631
Comment
SD45587
Phacelia longipes
D. F. Howe
1953-5-31
2295
Los Angeles
San Gabriel Mountains, Arroyo Seco
671
Comment
SDSU6630
Phacelia longipes
D. F. Howe
1953-5-31
2295
Los Angeles
Arroyo Seco, Angeles Crest Highway, San Gabriel Mts.
671
Comment
POM127603
Phacelia minor
George B. Grant
1901-1
965
Los Angeles
Mt. Lowe.
Comment
POM49698
Phacelia minor
L. R. Abrams
1901-4-7
s.n.
Los Angeles
Devil's Gate
Comment
RSA0031809
Phacelia minor
Geraldine Dodd
1992-5-9
009
Los Angeles
San Gabriel Mts. 3 miles north of corner of Loma Alta Dr. & Lake Ave. in Altadena.Sam Merrill hiking trail.
1066
Comment
RSA74500
Phacelia minor
F. W. Peirson
1918-1
162
Los Angeles
burned area east of Rubio Canyon
Comment
RSA0106498
Phacelia ramosissima
R. G. Swinney
2011-10-18
15834
Los Angeles
San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy.
1021
Comment
UCR136838
Phacelia ramosissima
John F. Green
2003-6-24
s.n.
Los Angeles
Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory
381
Comment
UCR273218
Phacelia ramosissima
R. G. Swinney
2011-10-18
15834
Los Angeles
San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy
1037
Comment Read comments Aug 24 2017
CAS-BOT-BC134022
Phacelia ramosissima var. latifolia
F. Grinnell Jr.
1917-6-30
s.n.
Los Angeles
Altadena
457
Comment
RSA738064
Phacelia tanacetifolia
Jane Snyder
1966-5-10
2
Los Angeles
San Rafael Hills.
213
Comment
SEINET3158356
Phacelia whitlavia
G. B. Grant
1901-1-1
965
Los Angeles
Mt. Lowe
Comment
RSA623860
Phalaris minor
K. Scott
1921-5-12
s.n.
Los Angeles
Lincoln Ave, Pasadena
Comment
RSA72084
Phlox gracilis
F. W. Peirson
s.n.
Los Angeles
Devil's Gate, Arroyo Seco
Comment
JEPS96577
Pholistoma auritum var. auritum
Dean W. Taylor
1992-5-1
12490
Los Angeles
1 mile East of Gorges Gap on Angeles Crest Highway (Highway 2)
1219
Comment
CHSC3735
Phoradendron
Sue Boergadine
1966-5-26
Los Angeles
Switzer's Camp
762
Comment
RSA420796
Phoradendron macrophyllum
Anstruther Davidson
1930-6-12
s.n.
Los Angeles
Switzers'.
Comment
RSA420799
Phoradendron macrophyllum
Albert J. Perkins
1917-2-27
s.n.
Los Angeles
Switzers Camp, Arroyo Seco, Sierra Madre Mountains. Altitude 1500 feet.
457
Comment
CAS-BOT-BC141301
Phoradendron serotinum subsp. tomentosum
Geo. B. Grant
1900-4-1
s.n.
Los Angeles
Mt. Lowe
Comment
CAS-BOT-BC141308
Phoradendron serotinum subsp. tomentosum
Moxley
1915-7-19
389
Los Angeles
Near Switzer's Camp, Arroyo Seco Canyon
Comment
CAS-BOT-BC58274
Phyllodoce breweri
Geo. B. Grant
1902-8-1
10593
Los Angeles
Pasadena.
3048
Comment
RSA412028
Pickeringia montana
L. E. Hoffman
s.n.
Los Angeles
Millard's Canyon, Angeles Forest
Comment
RSA611958
Pickeringia montana
L. C. Wheeler
1952-12-21
7030
Los Angeles
San Gabriel Mountains: Near mouth of Fern Canyon, Arroyo Seco.
Comment Read comments Oct 22 2014
RSA631086
Pickeringia montana
L. C. Wheeler
1967-4-13
6465
Los Angeles
Millard Canyon.
640
Comment
RSA656126
Pickeringia montana
James Henrickson
1985-5-21
20098
Los Angeles
3-4 miles NE of La Canade in Angeles National Forest along Angeles Crest Hwy.
915
Comment
UC1971214
Pickeringia montana
Louis C. Wheeler
1947-4-13
6465
Los Angeles
SAN GABRIEL MOUNTAINS: Millard Canyon
Comment
UCR108188
Pickeringia montana
L. C. Wheeler
1952-12-21
7030
Los Angeles
San Gabriel Mtns., San Gabriel Mountains, near mouth of Fern Canyon, Arroyo Seco.
Comment
OBI70644
Pickeringia montana var. montana
Louis C. Wheeler
1947-4-13
6465
Los Angeles
San Gabriel Mts; Millard Cyn
640
Comment
RSA310783
Pickeringia montana var. montana
Harry Purdy
1982-6-16
142
Los Angeles
Angeles National Forest, Hwy 2, 2.8 miles W of Clear Creek Ranger Station.
915
Comment
UCR35790
Pickeringia montana var. tomentosa
Harry Purdy, Wayne Sawyer
1982-6-16
s.n.
Los Angeles
San Gabriel Mtns., San Gabriel Mountains, Angeles National Forest, Calif. Hwy 2, 2.8 mi. west of Clear Creek Ranger Station
915
Comment
RSA472028
Picris echioides
L. E. Hoffman
1929-6-8
s.n.
Los Angeles
Arroyo Seco Canyon
Comment
HSC12254
Pinus attenuata
Wendell Wood
1970-6-24
49
Los Angeles
Switzer's Camp, Angeles Crest Hwy. 9 mi beyond intersection with Foothill Blvd.
915
Comment
SEINET3871796
Pinus attenuata
Clayton Newberry
1994-5-30
7229
Los Angeles
San Gabriel Mountains. Angeles National Forest, SR 2 (Angeles Crest Highway) at Cloudburst Canyon.; 0
1890
Comment
SFV7868
Pinus attenuata
T. Gordon, M. H. Grayum, J. R. Swanson, D. Walls, S. Zalusky
1976-1-21
1234
Los Angeles
San Gabriel Mountains Angeles Forest Highway.
1220
Comment
UC1200601
Pinus attenuata
Peter Kamb
1946-1-21
11 .1
Los Angeles
below Mt. Lowe (Echo Mountain); San Gabriel Mountains
914
Comment
UCSB33651
Pinus attenuata
Patterson, Ralph
1965-3-24
Los Angeles
Millard Canyon
609
Comment
UCSB33656
Pinus attenuata
Miller, Brian
1960-07
Los Angeles
Switzer's Inlet
914
Comment Read comments Jun 22 2015
UCR132291
Pinus coulteri
John F. Green
2003-7-17
s.n.
Los Angeles
San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect two
396
Comment Read comments Mar 29 2014
NY61873
Pinus flexilis
F. W. Johnson
1920-5-13
2276
Unknown
This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request.
Comment Read comments Dec 6 2015
RSA682606
Pinus halepensis
Valerie Soza, Bill Hoghead, Amber Maurice
2003-5-17
s.n.
Los Angeles
Transverse Ranges; San Gabrield Mountains region: Mount Lowe Road (2N50). From junction with Mount Wilson Road southwest to the junction with Chantry Flats Trail (2N65) above Altadena.
915
Comment
UCR132336
Pinus halepensis
John F. Green
2003-7-17
s.n.
Los Angeles
San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect two
396
Comment
A357105
Pinus monophylla
G. B. Grant
1901-1-1
989
Unknown
From Mt. Lowe, S. Cal.
Comment Read comments Jun 10 2012
CAS-BOT-BC78865
Pinus monophylla
Geo. B. Grant
1904-6-26
5315
Los Angeles
Mt. Lome
1828
Comment
CAS-BOT-BC78871
Pinus monophylla
W. R. Dudley
1899-7-22
s.n.
Los Angeles
Mt. Lowe, San Gabriel Mts.
Comment
CAS-BOT-BC78872
Pinus monophylla
Geo. B. Grant
1901 to 1905
989
Los Angeles
From Mt. Lowe
Comment
CAS-BOT-BC78897
Pinus monophylla
S. Parnay
Mar.
s.n.
Los Angeles
Mt. [Low] Lowe, one of the mouth of Santa Ana [Canon] Canyon
Comment
GH357094
Pinus monophylla
G. B. Grant
1901-1-1
989
Unknown
From Mt. Lowe, S. Cal.
Comment Read comments Jun 10 2012
NY61872
Pinus monophylla
F. W. Johnson
1920-5-13
2276
Unknown
San Gabriel Mountains, Pasadina: summit of Mt. Lowe
Comment Read comments Jan 17 2015
POM197020
Pinus monophylla
George B. Grant
1901-1
s.n.
Los Angeles
Mt. Lowe
Comment
RSA384362
Pinus monophylla
George B. Grant
1903-1
989
Los Angeles
Mt. Lowe
Comment
RSA384367
Pinus monophylla
L. E. Hoffman
1931-10-21
s.n.
Los Angeles
Dark Canyon, Angeles Forest
Comment
UC1134058
Pinus monophylla
H. A. Jensen
1933-3-6
267
Los Angeles
summit Mt. Lowe; Angeles National Forest, Pasadena Quadrangle
Comment
UC215354
Pinus monophylla
Geo. B. Grant
1901-1-1
ex. 989
Los Angeles
Mt. Lowe Mt. Lowe (rocky places in the mountains)
Comment
RSA597175
Piperia cooperi
Louis C. Wheeler
1950-5-19
6761
Los Angeles
San Gabriel Mountains. Mesa between Millard Canyon and Arroyo Seco.
426
Comment
RSA0107775
Piptatherum miliaceum
R. G. Swinney
2011-10-18
15848
Los Angeles
San Gabriel Mountains: 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2.
1021
Comment
RSA602766
Piptatherum miliaceum
L. C. Wheeler
1972-12-24
12801
Los Angeles
San Gabriel Mountains: Las Flores Canyon.
823
Comment
UCR132941
Piptatherum miliaceum
Michael D. Wilcox
2003-8-30
s.n.
Los Angeles
San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Prop. Laboratory
381
Comment
UCR273164
Piptatherum miliaceum
R. G. Swinney
2011-10-18
15848
Los Angeles
San Gabriel Mountains, 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2
1021
Comment
SD90022
Pittosporum phillyraeoides
Jeannette L. Huber, R. V. Langmuir
1972-3-19
1202
Los Angeles
Altadena. Growing under native conditions on old, abandoned Cobb estate.
Comment
RSA613035
Pittosporum undulatum
Louis C. Wheeler
1975-4-2
s.n.
Los Angeles
San Gabriel Mountains: Millard Canyon between Canyon Crest Road and National Forest Boundary.
Comment
UCR132354
Pittosporum undulatum
John F. Green
2003-7-17
s.n.
Los Angeles
San Gabriel Mtns., Arroyo Seco, Pasadena, c. 1 mile north of Jet Prop. Lab., transect three
427
Comment
SEINET3152909
Plagiobothrys nothofulvus
G. B. Grant
1904-5-5
995
Los Angeles
Altadena
Comment
UC166871
Plagiobothrys nothofulvus
unknown
1904-5-5
995 /6182
Los Angeles
Altadena
Comment
UC76140
Plagiobothrys nothofulvus
Geo. B. Grant
Apr 1902
995
Los Angeles
Altadena
Comment
JEPS6396
Plantago erecta
Alice M. Ottley
1920-4-30
509
Los Angeles
Arroyo Seco Pasadena
Comment
SEINET3161440
Plantago erecta
G. B. Grant
1906-4-2
1104
Los Angeles
Altadena
Comment
UC166763
Plantago erecta
Geo. B. Grant
1906-4-2
Los Angeles
Altadena
Comment
RSA678135
Plantago indica
Valerie L. Soza, Monica Acosta
2001-6-28
1305
Los Angeles
Arroyo Seco near confluence with El Prieto Canyon, alongside FS Road 2N70.
366
Comment
UCR132938
Plantago indica
Michael D. Wilcox
2003-8-30
s.n.
Los Angeles
San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Prop. Laboratory
381
Comment
UCR136845
Plantago indica
John F. Green
2003-6-24
s.n.
Los Angeles
Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory
381
Comment
UCR132311
Plantago major
John F. Green
2003-7-17
s.n.
Los Angeles
San Gabriel Mtns., Arroyo Seco, Pasadena, c. 1 mile north of Jet Prop. Lab., transect three
427
Comment
CHSC19521
Platanus racemosa
Wendell Wood
1970-6-17
10
Los Angeles
Linda Vista Rd. and Chevy Chase. Glendale. On canyon hillside.
365
Comment
HSC12322
Platanus racemosa
Wendell Wood
1970-6-17
10
Los Angeles
Chevy Chase and Linda Vista Rd., Glendale
366
Comment
JEPS40303
Platanus racemosa
Frank W. Peirson
1919-3-27
341
Los Angeles
Arroyo Seco Canyon San Gabriel Mountains
411
Comment
SD144446
Platanus racemosa
David Charlton
1989-4-30
2995
Los Angeles
San Gabriel Mountains; George's Gap, Angeles Crest Highway, ca. 10 miles north of the southern boundary of the Angeles National Forest, ca. 1.0 mile northwest of Switzer Camp.
1159
Comment
UCR104742
Platanus racemosa
David Charlton
1989-4-30
2995
Los Angeles
San Gabriel Mtns., George's Gap, Angeles Crest Highway, approximately 10 miles north of the southern boundary of the Angeles National Forest, c. 1 mi. (airline) NW of Switzer Camp.
1159
Comment
LA206297
Platystemon californicus
Carl Epling; M. Epling
May 1925
sn
Los Angeles
Arroyo Seco
Comment
CAS-BOT-BC246622
Poa howellii
Geo. B. Grant
1901-5-23
s.n.
Los Angeles
Mt. Lowe, San Gabriel Mts.
Comment
RSA730952
Poa secunda
Gary D. Wallace
1979-5-26
1848
Los Angeles
San Gabriel Mountains: along Angeles Forest Highway just west of Clear Creek Ranger Station
Comment
CAS-BOT-BC236186
Poa secunda subsp. secunda
1900-4-11
s.n.
Los Angeles
Mount Lowe
Comment
CHSC99444
Poa secunda subsp. secunda
LeRoy Gross; Bill Hogshead, Orlando Mistretta, Valerie Soza
2003-5-23
926
Los Angeles
Transverse Ranges; San Gabriel Mountains region: Southwest ridge that climbs to Mt. Markham (between Mt. Markham and the Mt. Lowe dirt road (2N50.1) Near 3423386N, 118.10365W. UTM Zone 11; 3788444N 0398352E.
1631
Comment
LA12627
Poa secunda subsp. secunda
Carl Epling;
May 1925
sn
Los Angeles
Arroyo Seco
Comment
RSA484165
Poa secunda subsp. secunda
George R. Johnstone
1925-4-11
s.n.
Los Angeles
Mt. Lowe
Comment
RSA679917
Poa secunda subsp. secunda
LeRoy Gross, Bill Hogshead, Orlando Mistretta, Valerie Soza
2003-5-23
926
Los Angeles
Southwest ridge that climbs to Mt. Markham (between Mt. Markham and the Mt. Lowe dirt road (2N50.1).
1631
Comment
RSA65558
Polycarpon depressum
F. W. Peirson
1918-6-4
46
Los Angeles
Burned area in Hlls east of Rubio Canyon
Comment
UCR101263
Polycarpon depressum
L. C. Wheeler
1962-4-24
8049
Los Angeles
San Gabriel Mtns., Between [Chaney] Trail and La Vina Sanitarium, ridge south side of West Ravine
396
Comment
JEPS51379
Polycarpon tetraphyllum
Frank W. Peirson
1931-5-25
9376
Los Angeles
Altadena; 1077 New York Avenue.
Comment
POM187463
Polycarpon tetraphyllum
L. C. Wheeler
1933-6-24
1833
Los Angeles
1077 New York Ave, Altadena.
381
Comment
RSA576937
Polycarpon tetraphyllum
L. C. Wheeler
1933-6-24
1883
Los Angeles
1077 New York Ave, Altadena.
381
Comment
RSA65560
Polycarpon tetraphyllum
F. W. Peirson
1931-5-25
9376
Los Angeles
At 1077 New York Ave. Altadena.
Comment
SBBG70011
Polycarpon tetraphyllum
E. Rockwell
-May-1921
71
Los Angeles
Eaton Cyn
304
Comment
UC501533
Polycarpon tetraphyllum
Frank W. Peirson
1931-5-25
9376
Los Angeles
Altadena; 1077 New York Avenue
Comment
UCR132314
Polycarpon tetraphyllum
John F. Green
2003-7-17
s.n.
Los Angeles
San Gabriel Mtns., Arroyo Seco, Pasadena, c. 1 mile north of Jet Prop. Lab., transect three
427
Comment
UCR136839
Polycarpon tetraphyllum
John F. Green
2003-6-24
s.n.
Los Angeles
Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory
381
Comment
UCR142766
Polycarpon tetraphyllum
L. C. Wheeler
1967-4-27
9196
Los Angeles
Transverse Ranges; San Gabriel Mtns, Sunset Ridge
671
Comment
CAS-BOT-BC167818
Polygala cornuta var. fishiae
A. J. McC.
1893-7-29
168
Los Angeles
Pasadena
1219
Comment
RSA68337
Polygonum aviculare subsp. aviculare
F. W. Peirson
1951-1
1796
Los Angeles
1077 New York Ave., Altadena
Comment
POM122114
Polygonum lapathifolium
Unspecified
1901-9-19
s.n.
Los Angeles
Summit of Mt. Lowe
Comment
CAS-BOT-BC71884
Polypodium californicum
M. E. Parsons
1912-1-20
s.n.
Los Angeles
Millard Canyon, Pasadena
Comment
CAS-BOT-BC71905
Polypodium californicum
Le Roy Abrams
1999-3-11
s.n.
Los Angeles
Millard's Canyon, San Gabriel Mts.
Comment
RSA689869
Polypodium californicum
Albert J. Perkins
1895-4-18
s.n.
Los Angeles
Mt. Lowe
Comment
RSA689900
Polypodium californicum
T. S. Clare
1930-3-2
s.n.
Los Angeles
Oak Wilde, Arroyo Seco, Los Angeles Co, CA
Comment
RSA689903
Polypodium californicum
Elbert Benjamine
1929-2-10
s.n.
Los Angeles
Arroyo Seco, above Pasadena
Comment
RSA747946
Polypodium californicum
Scott D. White, J. Wood, J. Miner
2009-5-12
12699
Los Angeles
Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road.
549
Comment
UC62429
Polypodium californicum
Ernest Braunton
Jan. 1903
808
Los Angeles
Arroyo Seco
Comment
UCR207627
Polypodium californicum
O. F. Clarke
2004-4-27
s.n.
Los Angeles
San Gabriel Mtns., Arroyo Seco near Pasadena
Comment
UCSB62368
Polypodium californicum
Kiefer, Lawrence
1967-4-2
Los Angeles
San Gabriel Mtns., N of Altadena, Fern Canyon, tributary of Arroyo Seco, ca. 1/4mi from confluence
426
Comment
UCR132939
Polypogon monspeliensis
Michael D. Wilcox
2003-8-30
s.n.
Los Angeles
San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Prop. Laboratory
381
Comment
UCR136834
Polypogon monspeliensis
John F. Green
2003-6-24
s.n.
Los Angeles
Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory
381
Comment
RSA0110812
Polypogon semiverticillatus
R. G. Swinney
2011-10-18
15820
Los Angeles
San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy.
1021
Comment
UCR273221
Polypogon semiverticillatus
R. G. Swinney
2011-10-18
15820
Los Angeles
San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy
1037
Comment
RSA385488
Polypogon viridis
Edwin Kline
1924-6-22
s.n.
Los Angeles
Arroyo Seco. San Gabriel Mountains.
Comment
RSA623816
Polypogon viridis
I. L. Wiggins
1921-11-16
s.n.
Los Angeles
Arroyo Seco
Comment
UCR208038
Polystichum imbricans
Geo. L. Moxley
1915-7-19
383
Los Angeles
San Gabriel Mtns., Arroyo Seco Canyon
Comment
RSA693283
Polystichum imbricans subsp. curtum
May N. Ackley
1928-6-29
110
Los Angeles
Dark Canyon Oake Wilde.
701
Comment
RSA85035
Polystichum imbricans subsp. curtum
F. W. Peirson
1919-12-2
1507
Los Angeles
West fork of Rubio Canyon, south base of San Gabriel Mtns
838
Comment
RSA693288
Polystichum imbricans subsp. imbricans
L. E. Hoffman
1930-5-12
s.n.
Los Angeles
Millard's Canyon. Angeles National Forest.
Comment
RSA693289
Polystichum imbricans subsp. imbricans
L. E. Hoffman
1930-5-12
s.n.
Los Angeles
Millard's Canyon. Angeles National Forest.
Comment
UCR273282
Populus fremontii
R. G. Swinney
2011-10-18
15828
Los Angeles
San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy
1037
Comment Read comments Aug 24 2017
UCR238472
Potentilla glandulosa subsp. reflexa
Orlando Mistretta, Christine Mistretta
2008-5-6
2666
Los Angeles
Transverse Ranges; San Gabriel Mountains, Southern California Edison transmission line corridor (Segment 11, Impact Area 17 per TRTP Survey 2008), in the vicinity of Millard Canyon
628
Comment
SEINET10885761
Prunus
Mary Merello, Heidi H. Schmidt
1999-12-3
Merello 2501
Los Angeles
City of Pasadena. Vartan Family Grocery, 1511 E. Washington Blvd.
270
Comment
CAS-BOT-BC154935
Prunus ilicifolia
Grant
1900-4-11
s.n.
Los Angeles
Mt. Lowe
Comment
CHSC3675
Prunus ilicifolia
Mary Mac Arthur
1966-5-26
34
Los Angeles
Switzers camp--San Gab. Mts.
914
Comment
CHSC3724
Prunus ilicifolia
Sue Boergadine
1966-5-26
Los Angeles
Switzer's Camp.
Comment
GH346576
Prunus ilicifolia
F. W. Peirson
1918-5-21
83
Unknown
Arroyo Seco, San Gabriel Mts.
381
Comment
GH346579
Prunus ilicifolia
G. B. Grant
1901-06-01 - 1901-07-01
1046
Unknown
Mount Lowe
Comment
GH346580
Prunus ilicifolia
G. B. Grant
1901-06-01 - 1901-07-01
1046
Unknown
Mount Lowe
Comment
JEPS44723
Prunus ilicifolia
Frank W. Peirson
1918-5-21
83
Los Angeles
San Gabriel Mountains, Arroyo Seco Arroyo Seco; San Gabriel Mountains, Arroyo Seco
381
Comment
POM306715
Prunus ilicifolia
Henry J. Ramsey, Henry J. Ramsey
1937-5-16
1667
Los Angeles
Altadena, N. Craig Avenue.
Comment
SD37655
Prunus ilicifolia
Edith A. Purer
1931-5-1
2069 b
Los Angeles
Arroto Seco, hillside
Comment Read comments Jun 10 2015
RSA454130
Prunus ilicifolia subsp. ilicifolia
L. E. Hoffman
1931-11-9
s.n.
Los Angeles
San Gabriel Mountains: Millards Canyon, Angeles National Forest.
Comment
RSA623945
Prunus ilicifolia subsp. ilicifolia
Raymond J. Dobbs
1927-5-21
599
Los Angeles
1 1/2 mile below Switzer's old trail. San Gabriel Mountains.
Comment
SBBG71033
Prunus ilicifolia subsp. ilicifolia
M. N. Ackley
-Jun-1927
954
Los Angeles
Switzerland
914
Comment
CAS-BOT-BC356703
Pseudognaphalium californicum
F. Grinnell Jr.
1917-6-30
s.n.
Los Angeles
Altadena
457
Comment
SFV16167
Pseudognaphalium californicum
P. A. Krueger
1994-5-18
39
Los Angeles
San Gabriel Mountains 3.9 miles north on Mount Lowe Truck Trail from Chaney Trail.
1300
Comment
UCD134977
Pseudognaphalium leucocephalum
Collector Unknown
1922-9-22
275
Los Angeles
Altadena.
Comment
RSA0106488
Pseudognaphalium luteoalbum
R. G. Swinney
2011-10-18
15817
Los Angeles
San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy.
1021
Comment
UCR273230
Pseudognaphalium luteoalbum
R. G. Swinney
2011-10-18
15817
Los Angeles
San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy
1037
Comment
CAS-BOT-BC357289
Pseudognaphalium microcephalum
F. Grinnell Jr.
1917-9-23
s.n.
Los Angeles
Negro Canon [Canyon], near Pasadena, San Gabriel Mts.
Comment
CAS-BOT-BC357303
Pseudognaphalium microcephalum
Le Roy Abrams
1901-4-7
1424
Los Angeles
Arroyo Seco above Devils Gate
Comment
CAS-BOT-BC357359
Pseudognaphalium microcephalum
F. Grinnell Jr.
1908-10-8
s.n.
San Bernardino
Switzer Camp, San Gabriel Mts.
914
Comment
JEPS20504
Pseudognaphalium microcephalum
Frank W. Peirson
1919-1-26
303
Los Angeles
Rubio Canon San Gabriel Mts., Rubio Canon
548
Comment
JEPS22870
Pseudognaphalium microcephalum
Rimo Bacigalupi with Reino Alava
1958-7-21
6445
Los Angeles
above canyon Arroyo Seco (along Angeles Crest Highway (Calif. No. 2)); San Gabriel Mts.
944
Comment
CAS-BOT-BC80063
Pseudotsuga macrocarpa
William R. Dudley
1899-7-22
s.n.
Los Angeles
Sides of Mt. Lowe
1219
Comment
CAS-BOT-BC80069
Pseudotsuga macrocarpa
G. B. Grant
1900-4-11
s.n.
Los Angeles
Mt. Lowe
1524
Comment
CAS-BOT-BC80070
Pseudotsuga macrocarpa
G. B. Grant
1904-2-14
6125
Los Angeles
Mt. Lowe
Comment
CAS-BOT-BC80071
Pseudotsuga macrocarpa
W. R. Dudley
1899-7-22
s.n.
Los Angeles
Mt. Lowe, San Gabriel Mts.
Comment
GH355369
Pseudotsuga macrocarpa
G. B. Grant
Feb 04
1050
Unknown
Mt. Lowe
1524
Comment
HSC12362
Pseudotsuga macrocarpa
Wendell Wood
1970-6-24
61
Los Angeles
Angeles Crest Hwy. 6 mi beyond intersection with Foothill Blvd.
762
Comment
RSA384625
Pseudotsuga macrocarpa
Geo C. Johnstone
1920-4-10
s.n.
Los Angeles
Mt. Lowe
Comment
RSA384628
Pseudotsuga macrocarpa
L. E. Hoffman
1930-05
s.n.
Los Angeles
Millard's Canyon, Angeles Forest
Comment
RSA384629
Pseudotsuga macrocarpa
L. E. Hoffman
1932-3-14
s.n.
Los Angeles
Millard's Canyon, Angeles National Forest [San Gabriel Mountains].
Comment
SEINET3875017
Pseudotsuga macrocarpa
Clayton Newberry
1994-5-30
7230
Los Angeles
San Gabriel Mountains. Angeles National Forest, SR 2 (Angeles Crest Hwy at Cloudburst Canyon.; 0
1890
Comment
UC1348837
Pseudotsuga macrocarpa
unknown
1938-9-21
8387
Los Angeles
Altadena
609
Comment
UC1402302
Pseudotsuga macrocarpa
B. P. Gruendyke
1938-9-21
8387
Los Angeles
Altadena
609
Comment
UCD135108
Pseudotsuga macrocarpa
Steve Mason; Helen M. Mason
1993-5-15
24 b
Los Angeles
On Angeles Crest Hwy. 3.5 mi. above Big Tujunga Cnyn. Rd.
1584
Comment
UCR103484
Pseudotsuga macrocarpa
David Charlton
1989-4-30
3002
Los Angeles
San Gabriel Mtns., George's Gap, Angeles Crest Highway c. 2.5 mi. (airline) north of the southern boundary of the Angeles National Forest, c. 1.25 mi. west of Lower Switzer Campground
1311
Comment
UCSB12271
Pseudotsuga macrocarpa
Suter, Richard
1961-2-25
Los Angeles
10 yds. northeast of Angeles Crest Highway at Junction with Mt. Wilson Turnoff above La Canada, California
1249
Comment
A355363
Pseudotsuga menziesii
G. B. Grant
Feb. 1904
Unknown
Mt. Lowe
1524
Comment Read comments Jan 12 2021
UCR99461
Psilocarphus tenellus
L. C. Wheeler
1948-4-26
6637
Los Angeles
Pasadena, Oak Grove Park
305
Comment
CDA4002
Psoralea bituminosa
Wesley O. Griesel
1961-4-11
Los Angeles
San Gabriel Mountains: Millard Canyon.
Comment
UCR109016
Psoralea physodes
L. C. Wheeler
1947-7-4
6540
Los Angeles
San Gabriel Mtns., El Prieto Canyon, off Millard Canyon
701
Comment
RSA690870
Pteridium aquilinum var. pubescens
L. E. Hoffman
1931-11-25
s.n.
Los Angeles
Millard s Canyon, Angeles Nat l Forest
Comment
UCR102377
Pteris cretica
L. C. Wheeler
1947-7-11
6544
Los Angeles
San Gabriel Mtns., Millard Canyon
412
Comment
SD248282
Pteris vittata
Joseph Cahill
2011-2-5
Los Angeles
San Gabriel Mountains: Rubio Canyon, c. 0.8 mi NW of trailhead at Rubio Vista Road (Mount Wilson 7.5'Q)
664
Comment
SEINET5586213
Pteris vittata
Joseph Cahill
2011-1
s.n.
Los Angeles
San Gabriel Mountains: Rubio Canyon, c. 0.8 mi. NW of trailhead at Rubio Vista Rd.
664
Comment
UCR129901
Pteris vittata
L. C. Wheeler
1949-10-29
s.n.
Los Angeles
San Gabriel Mtns., Angeles National Forest, lower Millard Canyon, up stream from Canyon Crest Road
Comment
UCR247416
Pteris vittata
Joseph Cahill
2011-2-5
s.n.
Los Angeles
San Gabriel Mountains, Rubio Canyon, c. 0.8 mi. NW of trailhead at Rubio Vista Rd.
664
Comment
CAS-BOT-BC421198
Pterostegia drymarioides
John H. Thomas
1957-5-11
6749
Los Angeles
San Gabriel Mountains. About 3 miles north of La Canada near Angeles Crest Highway.
762
Comment
JEPS57994
Pterostegia drymarioides
Frank W. Peirson
1918-5-19
17
Los Angeles
Millards Canyon San Gabriel Mts., Millards Canyon
Comment
RSA65370
Pterostegia drymarioides
F. W. Peirson
17
Los Angeles
Devils Gate, Arroyo Seco, Pasadena
Comment
RSA747734
Pterostegia drymarioides
Scott D. White, J. Wood, J. Miner
2009-5-12
12698
Los Angeles
San Gabriel Mountains: Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road.
549
Comment
SBBG61784
Pterostegia drymarioides
M. N. Ackley
1928-2-12
889
Los Angeles
Eaton Wash
365
Comment
UCR211800
Pyracantha crenatoserrata
Valerie Soza, Monica Acosta
2001-6-28
1306
Los Angeles
Transverse Ranges; San Gabriel Mountains, mouth of El Prieto Canyon, along FS Road 2N66, lower El Prieto trailhead
396
Comment
RSA678136
Pyracantha fortuneana
Valerie L. Soza, Monica Acosta
2001-6-28
1306
Los Angeles
Transverse Ranges, San Gabriel Mountains region: Mouth of El Prieto Canyon, along FS Road 2N66, lower El Prieto trailhead. [Coordinates given for Pasadena.]
396
Comment
CAS-BOT-BC45776
Quercus
F. Grinnell Jr.
1917-9-23
s.n.
Los Angeles
Negro Canon, near Pasadena, San Gabriel Mts.
Comment
CAS-BOT-BC45779
Quercus
Lee Sowden
1926-10-2
s.n.
Los Angeles
Mt. Lowe near Pasadena, at summit
1341
Comment
CAS-BOT-BC45783
Quercus
J. H. Thomas
1957-5-11
6746
Los Angeles
About 2 miles NE of La Canada, near Angeles Crest Highway. Upper Sonoran Zone
609
Comment
CAS-BOT-BC45822
Quercus
F. Grinnell Jr.
1917-9-23
s.n.
Los Angeles
Negro Canon, near Pasadena, San Gabriel Mts.
Comment
CAS-BOT-BC45631
Quercus agrifolia
F. Grinnell Jr.
1908-10-8
s.n.
Los Angeles
Switzer Camp, San Gabriel Mts.
914
Comment
CHSC26050
Quercus agrifolia
Jacqueline R. Bonquet
1960-8-16
Los Angeles
Switzer's Camp, Angeles National Forest, San Gabriel Mts.
1066
Comment
RSA0106838
Quercus agrifolia var. agrifolia
R. G. Swinney
2011-10-18
15844
Los Angeles
San Gabriel Mountains: 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2.
1021
Comment
RSA476841
Quercus agrifolia var. agrifolia
F. R. Fosberg
1931-12-6
7081
Los Angeles
Arroyo Seco, Sierra Madre Mts.
Comment
RSA476856
Quercus agrifolia var. agrifolia
G. R. Johnstone
1927-10-9
s.n.
Los Angeles
Switzer's Camp
Comment
RSA657474
Quercus agrifolia var. agrifolia
Joseph M. Keefe
2001-1-24
31030
Los Angeles
Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena.
250
Comment
RSA76856
Quercus agrifolia var. agrifolia
I. M. Johnston
1927-9-10
s.n.
Los Angeles
Switzer's camp
Comment
UCR273388
Quercus agrifolia var. agrifolia
R. G. Swinney
2011-10-18
15844
Los Angeles
San Gabriel Mountains, 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2
1021
Comment
RSA0041590
Quercus berberidifolia
Orlando Mistretta, Cher Batchelor
2011-7-27
5988
Los Angeles
Arroyo Seco Cyn drainage. Angeles Crest Hwy, near mile market no. 31.
975
Comment
SEINET238519
Quercus berberidifolia
A. C. Sanders, D. Malueg
1998-6-22
22035
Los Angeles
San Gabriel Mtns.: La Canada SCE Gould Substation off Hwy 2 Gould Canyon.
595
Comment
UCR111524
Quercus berberidifolia
A. C. Sanders, D. Malueg
1998-6-22
22035
Los Angeles
San Gabriel Mtns., La Canada, SCE Gould Substation off Hwy 2, Gould Canyon
595
Comment
A344218
Quercus chrysolepis
J. G. Jack
1907-7-12
Unknown
Pasadena, Willard's Canon
Comment
A344220
Quercus chrysolepis
G. B. Grant
1904-5-23
Unknown
Mt. Lowe
Comment
CAS-BOT-BC62368
Quercus chrysolepis
Geo. B. Grant
1902-7-1
3712
Los Angeles
Mt. Lowe
1828
Comment
CAS-BOT-BC62528
Quercus chrysolepis
W. R. Dudley
1899-7-22
s.n.
Los Angeles
Mt. Lowe, San Gabriel Mts.
Comment
CAS-BOT-BC62531
Quercus chrysolepis
G. B. Grant
1897-12-5
s.n.
Los Angeles
Alpine Tavern, Mt. Lowe, San Gabriel Mts.
Comment
CAS-BOT-BC62536
Quercus chrysolepis
W. R. Dudley
1900-7-9
s.n.
Los Angeles
Mount Lowe, San Gabriel Mts.
Comment
CAS-BOT-BC62574
Quercus chrysolepis
Grimmell
1908-10-8
s.n.
Los Angeles
Switzer Camp. San Gabriel Mts.
914
Comment
GH344177
Quercus chrysolepis
G. B. Grant
1902-07-01 - 1902-08-01
1085
Unknown
Mt. Lowe
1828
Comment
GH344249
Quercus chrysolepis
L. E. Hoffman
1931-11-5
Unknown
Millard's Canyon, Mountain Canyons
Comment
GH344256
Quercus chrysolepis
J. F. Collins
1918-4-16
Unknown
above Alpine Tavern, Mt. Lowe
Comment
GH344260
Quercus chrysolepis
J. F. Collins
1918-4-16
Unknown
above Alpine Tavern, Mt. Lowe
Comment
GH344280
Quercus chrysolepis
C. C. Kingman
1910-5-21
Unknown
Altadena
Comment
GH344283
Quercus chrysolepis
J. F. Collins
1928-4-16
Unknown
above Alpine Tavern, Mt. Lowe
Comment
JEPS37335
Quercus chrysolepis
Frank W. Peirson
1918-5-19
16
Los Angeles
Echo Mountain San Gabriel Range
1036
Comment
JEPS46639
Quercus chrysolepis
Ernest Braunton
1892-2
Los Angeles
near Mt. Lowe
914
Comment
LA46439
Quercus chrysolepis
Carl Epling;
May 1926
sn
Los Angeles
Arroyo Seco
Comment
POM180345
Quercus chrysolepis
Edwin B. Bartram
1920-6-30
528
Los Angeles
Mt. Lowe
1433
Comment
RSA476889
Quercus chrysolepis
L. E. Hoffman
1931-5-11
s.n.
Los Angeles
Millard's Canyon, Angeles Nat'l Forest.
Comment
RSA476890
Quercus chrysolepis
L. E. Hoffman
1934-7-24
s.n.
Los Angeles
Arroyo Seco Canyon. Angeles Forest.
Comment
RSA476903
Quercus chrysolepis
I. M. Johnston
1928-9-10
15747
Los Angeles
Switzers Camp Arroyo seco.
Comment
RSA476908
Quercus chrysolepis
Anstruther Davidson
1893-6-12
s.n.
Los Angeles
Switzer's Trail.
Comment
RSA624007
Quercus chrysolepis
Raymond J. Dobbs
1924-6-6
269
Los Angeles
1/2 mile north of Switzer's, High trail
Comment
SD1101
Quercus chrysolepis
Fidella G. Woodcock
Sep 1930
Los Angeles
Mt. Lowe, interior mountains, mostly canyonsides, dry ridges
Comment
UC72508
Quercus chrysolepis
Geo. B. Grant
Jul 1902
1085
Los Angeles
Mt. Lowe
Comment
UCD45456
Quercus chrysolepis
F. W. Peirson
1918-5-19
16
Los Angeles
Echo Mountain, 3400 ft. San Gabriel Range.
1036
Comment
UCSB33683
Quercus chrysolepis
Miller, Brian
1960-7-13
Los Angeles
Switzer's Inslet, San Gabriel Mountains
914
Comment
SD1108
Quercus douglasii
Fidella G. Woodcock
Unknown
Los Angeles
Mt. Lowe, summit
Comment
A344674
Quercus dumosa
J. G. Jack
1907-7-12
Unknown
Pasadena, Millard's Canon
Comment
A344690
Quercus dumosa
G. B. Grant
Unknown
Arroyo Seco Canon Pasadena
Comment
CAS-BOT-BC86213
Quercus dumosa
J. Ewan
1929-9-21
2291
Los Angeles
Trailside in Upper Millards Canyon
1249
Comment
CAS-BOT-BC86222
Quercus dumosa
Geo. B. Grant
1902-6-1
1088
Los Angeles
Mt. Lowe
1524
Comment
CAS-BOT-BC86361
Quercus dumosa
W. R. Dudley
1899-7-22
s.n.
Los Angeles
Mt. Lowe, San Gabriel Mts.
Comment
CAS-BOT-BC86370
Quercus dumosa
Fordyce Grinnell
1906-12-22
s.n.
Los Angeles
Arroyo Seco Canyon near Pasadena
Comment
CAS-BOT-BC86371
Quercus dumosa
Fordyce Grinnell
1916-9-2
s.n.
Los Angeles
San Gabriel Mts. - near Pasadena
Comment
CAS-BOT-BC86372
Quercus dumosa
Fordyce Grinnell
1916-9-2
s.n.
Los Angeles
San Gabriel Mts. - near Pasadena
Comment
CAS-BOT-BC86373
Quercus dumosa
Fordyce Grinnell
1908-10-8
s.n.
Los Angeles
Switzer Camp., San Gabriel Mts.
Comment
JEPS46660
Quercus dumosa
Ernest Braunton
1892-2
Los Angeles
near n Pasadena
Comment
UCD45861
Quercus dumosa
Bonnie C. Templeton
1929-12-15
1447
Los Angeles
Location: Arroyo Seco, near camp Switgers, Los Angeles County.
900
Comment Read comments Jan 9 2012
CAS-BOT-BC79763
Quercus durata
F. Grinnell Jr.
1917-9-23
s.n.
Los Angeles
Negro Canyon, near Pasadena. San Gabriel Mountains
Comment
RSA682123
Quercus durata
Valerie L. Soza, Bill Hoghead, Amber Maurice
2003-5-17
s.n.
Los Angeles
Mount Lowe Road (2N50). From junction with Mount Wilson Road southwest to the junction with Chantry Flats Trail (2N65) above Altadena; (Mt. Wilson).
915
Comment
CAS-BOT-BC518731
Quercus durata var. gabrielensis
Mitch Provance
2016-3-1
316 -23
Los Angeles
San Gabriel Mountains: Altadena, lower slopes just NE of Canon Blvd. and Dev\onwood Rd.
570
Comment
JEPS37777
Quercus durata var. gabrielensis
Frank W. Peirson
1919-5-14
376
Los Angeles
e trail Mt. Lowe San Gabriel Mountains, Mt. Lowe
Comment
POM20902
Quercus durata var. gabrielensis
Fordyce Grinnell Jr.
1917-9-23
s.n.
Los Angeles
Negro Canyon near Pasadena; San Gabriel Mts.
Comment
RSA476760
Quercus durata var. gabrielensis
Bonnie C. Templeton
1929-12-15
1448
Los Angeles
Arroyo Seco, near Camp Switzers.
900
Comment
RSA476762
Quercus durata var. gabrielensis
L. E. Hoffman
1931-11-9
s.n.
Los Angeles
Millards Canyon.
Comment
RSA476764
Quercus durata var. gabrielensis
Bonnie C. Templeton
1929-12-15
1447
Los Angeles
Arroyo Seco, near Camp Switzers.
900
Comment
RSA477125
Quercus durata var. gabrielensis
I. M. Johnston
1925-4-11
s.n.
Los Angeles
Mount Lowe
Comment
RSA660200
Quercus durata var. gabrielensis
Yvonne Rasmussen, Deborah Rasmussen
1984-5-5
5
Los Angeles
3.8 miles from Pasadena city limits sign, on Angeles Crest Highway.
Comment
RSA682412
Quercus durata var. gabrielensis
Valerie L. Soza, Bill Hoghead, Amber Maurice
2003-5-17
s.n.
Los Angeles
Mount Lowe Road (2N50). From junction with Mount Wilson Road southwest to the junction with Chantry Flats Trail (2N65) above Altadena; (Mt. Wilson).
915
Comment
RSA747741
Quercus durata var. gabrielensis
Scott D. White, J. Wood, C. Huntley, J. Miner
2009-5-12
12689
Los Angeles
San Gabriel Mountains: Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road.
549
Comment
RSA87162
Quercus durata var. gabrielensis
F. W. Peirson
1919-5-14
376
Los Angeles
East trail to Mt. Lowe
640
Comment
UCR269118
Quercus durata var. gabrielensis
Orlando Mistretta, Christine Mistretta
2008-5-9
3017
Los Angeles
San Gabriel Mountains, Southern California Edison transmission line tower (Segment 11, structure 63 per TRTP Survey 2008), in the vicinity of Arroyo Seco Canyon
845
Comment
UCR269120
Quercus durata var. gabrielensis
Orlando Mistretta, Christine Mistretta
2008-5-6
2668
Los Angeles
Transverse Ranges; San Gabriel Mountains, Southern California Edison transmission line corridor (Segment 11, Impact Area 17 per TRTP Survey 2008), in the vicinity of Millard Canyon
628
Comment
UCR272315
Quercus durata var. gabrielensis
Mitch Provance
2016-3-1
316- 23
Los Angeles
San Gabriel Mountains, Altadena, lower slopes just NE of Canon Blvd. and Devonwood Rd.
570
Comment
RSA747750
Quercus engelmannii
Scott D. White, J. Wood, J. Miner
2009-5-12
12701
Los Angeles
San Gabriel Mountains: Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road.
549
Comment
A343699
Quercus wislizeni
G. B. Grant
1902-06-01 - 1902-07-01
Unknown
Summit of Mt Lowe
Comment
CAS-BOT-BC104859
Quercus wislizeni
Abbot Kinney
1902-9-1
s.n.
Los Angeles
Mt. Lowe
Comment
CAS-BOT-BC104865
Quercus wislizeni
W. R. Dudley
1899-7-22
s.n.
Los Angeles
Mount Lowe. San Gabriel Mts.
Comment
UCD47612
Quercus wislizeni
T. E. Weier
1941-6-24
s.n.
Los Angeles
Angeles Crest.
Comment
HSC8307
Quercus wislizeni var. frutescens
C. E. Fellows
1965-9-7
141
Los Angeles
3 mi past Angeles Forest Hwy. on Angeles Crest hwy.
1220
Comment
RSA623992
Quercus wislizeni var. frutescens
Raymond J. Dobbs
1927-5-12
280
Los Angeles
1 1/2 mile below Switzer's old trail
Comment
SD1078
Quercus wislizeni var. frutescens
Fidella G. Woodcock
Sep 1930
Los Angeles
Mt. Lowe
Comment
UC848384
Quercus wislizeni var. frutescens
J. Franklin Collins
1918-4-16
A
Los Angeles
above Alpine Tavern; Mt. Lowe
Comment
CAS-BOT-BC362466
Rafinesquia californica
Le Roy Abrams
1901-4-8
1432
Los Angeles
Devil's Gate
Comment
JEPS37567
Rafinesquia californica
F. W. Peirson
1918-6-4
251
Los Angeles
foothills e Rubio Canyon (San Gabriel Mts., near Altadena); San Gabriel Mts.
609
Comment
POM50195A
Rafinesquia californica
L. R. Abrams
1901-04
s.n.-A
Los Angeles
Devil's Gate.
Comment
UCR136827
Rafinesquia californica
John F. Green
2003-6-24
s.n.
Los Angeles
Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory
381
Comment
RSA657374
Raphanus sativus
Joseph M. Keefe
2001-1-24
31031
Los Angeles
Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena.
250
Comment
SFV21137
Raphanus sativus
J. M. Keefe
2001-1-24
31031
Los Angeles
San Rafael Hills Pasadena. East side of Arroyo Seco, 2 m west of curb, across street from 1590 Arroyo Blvd at Howard Street.
250
Comment
POM2866
Rhamnus californica
L. R. Abrams
1901-4-7
1427
Los Angeles
Devil's Gate
Comment
POM360340
Rhamnus californica
Henry J. Ramsey, Henry J. Ramsey
1937-8-23
1422
Los Angeles
Altadena.
Comment
RSA657375
Rhamnus californica
Joseph M. Keefe
2001-1-24
31032
Los Angeles
Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena.
250
Comment
SFV21136
Rhamnus californica
J. M. Keefe
2001-1-24
31032
Los Angeles
San Rafael Hills Pasadena. East side of Arroyo Seco, 2 m west of curb, across street from 1590 Arroyo Blvd at Howard Street.
250
Comment
UCR132301
Rhamnus californica
John F. Green
2003-7-17
s.n.
Los Angeles
San Gabriel Mtns., Arroyo Seco, Pasadena, just east of Jet Prop. Lab., transect zero below diversion dam
366
Comment
RSA390182
Rhamnus californica subsp. californica
G. R. Johnstone
1930-9-14
s.n.
Los Angeles
Edison Rd. above Dark Canyon Calif. San Gabriel Mts.
762
Comment
RSA529892
Rhamnus californica subsp. californica
Tim S. Ross
1991-8-16
5799
Los Angeles
Woodwardia canyon, San Gabriel Mtns (N of Pasadena)
819
Comment
UC1586211
Rhamnus californica subsp. californica
Tim Ross
1991-8-16
5799
Los Angeles
Woodwardia Canyon, San Gabriel Mountains (n of Pasadena) San Gabriel Mountains, Condor Peak U.S.G.S. 7.5 ' Quad.
818
Comment
A378244
Rhamnus crocea
J. G. Jack
1907-7-12
Unknown
Pasadena, Willard's Canon
Comment
JEPS41979
Rhamnus crocea
Frank W. Peirson
1919-3-27
339
Los Angeles
w of Arroyo Seco; San Gabriel Mountains
396
Comment
SBBG129219
Rhamnus crocea
J. G. Jack
1907-7-12
Los Angeles
Millard's Canon, Pasadena
Comment
CAS-BOT-BC55981
Rhamnus ilicifolia
F. Grinnell Jr.
1917-9-23
s.n.
Los Angeles
Negro Canyon near Pasadena, San Gabriel Mountains
Comment
CAS-BOT-BC56003
Rhamnus ilicifolia
J. H. Thomas
1957-5-11
6747
Los Angeles
About 2 miles NE of La Canada near Angeles Crest Highway
609
Comment
JEPS42041
Rhamnus ilicifolia
C. E. Hutchinson
1892-8-10
Los Angeles
near Altadena
243
Comment
LA207820
Rhamnus ilicifolia
Carl Epling; M. Epling
May 1925
sn
Los Angeles
Arroyo Seco
Comment
RSA390826
Rhamnus ilicifolia
Fordyce Grinnell Jr.
1910-06
1931
Los Angeles
Switzers Trail. San Gabriel Moutains.
Comment
RSA391040
Rhamnus ilicifolia
Marcus E. Jones
1925-5-26
s.n.
Los Angeles
Arroyo Seco, San Gabriel Mts.
Comment
UCR132306
Rhamnus ilicifolia
John F. Green
2003-7-17
s.n.
Los Angeles
San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect two
396
Comment
UCR207575
Rhamnus ilicifolia
O. F. Clarke
2004-7-11
s.n.
Los Angeles
San Gabriel Mtns., Arroyo Seco near Pasadena
Comment
RSA390146
Rhamnus tomentella subsp. cuspidata
Fordyce Grinnell Jr.
1910-06
1931
Los Angeles
Long Canyon, San Gabriel Mountains.
Comment
RSA390150
Rhamnus tomentella subsp. cuspidata
Fordyce Grinnell Jr.
1910-06
s.n.
Los Angeles
Long Canyon, San Gabriel Mountains.
Comment
SEINET10692947
Rhus
Mary Merello, Heidi H. Schmidt
1999-12-3
Merello 2500
Los Angeles
City of Pasadena. Vartan Family Grocery, 1511 E. Washington Blvd.
270
Comment
A347086
Rhus integrifolia
C. C. Epling & L. C. Ellison
1930-3-28
Unknown
Las Flores Canyon
Comment
CAS-BOT-BC170456
Rhus integrifolia
Marian L. Campbell
1921-3-10
1
Los Angeles
Arroyo Seco
Comment
HSC12406
Rhus integrifolia
Wendell Wood
1970-6-24
41
Los Angeles
Switzer's Camp, Angeles Crest Hwy., 9 mi. beyond intersection with Foothill Blvd.
915
Comment
JEPS66238
Rhus integrifolia
Frank W. Peirson
1919-1-25
313
Los Angeles
e of Morrovia Canyon (Arroyo Seca); San Gabriel Mountains
365
Comment Read comments Dec 10 2014
RSA77171
Rhus integrifolia
F. W. Peirson
1919-1-25
313
Los Angeles
Arroyo Seco, near Pasadena
381
Comment
CAS-BOT-BC167960
Rhus ovata
W. R. Dudley
1899-7-22
s.n.
Los Angeles
Mt. Lowe, San Gabriel Mts.
Comment
CAS-BOT-BC175224
Rhus ovata
Wayne Law; Jun Hu
2000-4-30
07
Los Angeles
Transverse Ranges; San Gabriel Mtns.: Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground
823
Comment
CHSC3674
Rhus ovata
Mary MacArthur
1966-5-26
35
Los Angeles
Switzer's camp- Saw Gab Mts.
Comment
CHSC3727
Rhus ovata
Sue Boergadine
1966-5-26
Los Angeles
Switzer's camp
762
Comment
JEPS66263
Rhus ovata
Frank W. Peirson
1918-5-19
106
Los Angeles
Millards Canyon
1036
Comment
POM86952
Rhus ovata
Marcus E. Jones
1902-6-28
s.n.
Los Angeles
Mts. near Pasadena
Comment
RSA386378
Rhus ovata
Fordyce Grinnell Jr.
1910-06
1931
Los Angeles
Long Canyon, San Gabriel Mountains.
Comment
RSA386379
Rhus ovata
L. E. Hoffman
1933-3-23
17111
Los Angeles
Millard's Canyon, San Gabriel Mts.
Comment
RSA386383
Rhus ovata
B. C. Templeton
1931-11-9
s.n.
Los Angeles
Millards Canyon
Comment
RSA738073
Rhus ovata
Carol Frazier
1966-5-20
s.n.
Los Angeles
San Rafel Hills
244
Comment
SD234265
Rhus ovata
Wayne Law, J. Hu
2000-4-30
7
Los Angeles
Transverse Ranges; San Gabriel Mtns.: Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground.
518
Comment
SEINET238660
Rhus ovata
A. C. Sanders, D. Malueg
1998-6-24
22058
Los Angeles
San Gabriel Mountains: CCC Ridge off highway 2 just north of Pasadena city limits South Cal. Edison Mesa-Vinent trans
823
Comment
SFV16683
Rhus ovata
P. Wilson, J. M. Albert
1996-6-12
3424
Los Angeles
San Gabriel Mountains Off Highway 2 and mile marker 29.13.
823
Comment
UCR114181
Rhus ovata
A. C. Sanders, D. Malueg
1998-6-24
22058
Los Angeles
San Gabriel Mtns., CCC Ridge, off Hwy 2 just north of Pasadena city limits, So. Cal. Edison Mesa-Vincent transmission line at tower 16-2
823
Comment
UCR132308
Rhus ovata
John F. Green
2003-7-17
s.n.
Los Angeles
San Gabriel Mtns., Arroyo Seco, Pasadena, c. 1 mile north of Jet Prop. Lab., transect three
427
Comment
UCR172778
Rhus ovata
Wayne Law, Jun Hu
2000-4-30
07
Los Angeles
Transverse Ranges; San Gabriel Mtns., Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground.
823
Comment
UCR273387
Rhus ovata
R. G. Swinney
2011-10-18
15843
Los Angeles
San Gabriel Mountains, 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2
1021
Comment
UCSB3761
Rhus ovata
Wilson, Richard
1958-5-10
Los Angeles
6 miles N. of Foothills Blvd. on Angeles Crest Highway
1066
Comment
CAS-BOT-BC433164
Ribes
Braunton
1903-1-10
793
Los Angeles
Arroyo Seco
Comment
CAS-BOT-BC433165
Ribes
Ernest Braunton
1903-1-10
793
Los Angeles
Arroyo Seco
Comment
CAS-BOT-BC433166
Ribes
Geo. B. Grant
1914-4-1
s.n.
Los Angeles
Arroyo Seco Canon [Canyon], Pasadena
Comment
CAS-BOT-BC433170
Ribes
W H Shockley
No date on label
s.n.
Los Angeles
Mt Lowe
Comment
A363909
Ribes amarum
L. C. Wheeler
1936-3-8
4082
Unknown
Arroyo Seco, San Gabriel Mts.
457
Comment
CAS-BOT-BC92266
Ribes amarum
Geo. B. Grant
1902-5-1
279
Unknown
Southwest part of California. Summit Mount Lowe.
1828
Comment
CAS-BOT-BC92279
Ribes amarum
John Thomas Howell
1928-2-18
3351
Los Angeles
Trail to Switzer's, Arroyo Seco, San Gabriel Mountains.
Comment
CAS-BOT-BC92289
Ribes amarum
Louis C. Wheeler
1936-3-8
4082
Los Angeles
San Gabriel Mountains. Arroyo Seco.
457
Comment
CAS-BOT-BC92290
Ribes amarum
Louis C. Wheeler
1936-3-8
4082
Los Angeles
San Gabriel Mountains. Arroyo Seco.
457
Comment
CAS-BOT-BC92293
Ribes amarum
L. R. Abrams
1899-1-1
s.n.
Los Angeles
Millards Canon [Canyon].
Comment
CAS-BOT-BC92303
Ribes amarum
Wesley O. Griesel
1959-2-27
s.n.
Los Angeles
Millard Canyon, San Gabriel Mountains.
609
Comment
CAS-BOT-BC92304
Ribes amarum
C. S. Morris
1908-4-23
s.n.
Los Angeles
Arroyo Seco Canon [Canyon] near Pasadena.
609
Comment
GH363885
Ribes amarum
J. F. Collins
1918-4-16
Unknown
near Alpine Tavern, Mt. Lowe
Comment
GH363887
Ribes amarum
L. C. Wheeler
1936-3-8
4082
Unknown
Arroyo Seco. San Gabriel Mts.
457
Comment
RSA222221
Ribes amarum
Louis C. Wheeler
1936-3-8
4082
Los Angeles
Arroyo Seco.
457
Comment
RSA229746
Ribes amarum
Wesley O. Griesel
1961-2-5
s.n.
Los Angeles
Millard Canyon.
610
Comment
RSA247303
Ribes amarum
G. D. Wallace
1966-3-25
208
Los Angeles
Millard Canyon, N of Altadena.
457
Comment
RSA476410
Ribes amarum
Anstruther Davidson
1891-5-30
s.n.
Los Angeles
Millards Canyon
Comment
RSA476411
Ribes amarum
L. E. Hoffman
1933-3-23
17107
Los Angeles
Millard's Canyon, San Gabriel Mts.
Comment
RSA476413
Ribes amarum
T. S. Clare
1930-3-2
14609
Los Angeles
Oak Wilde, Arroyo Seco.
Comment
RSA476417
Ribes amarum
L. E. Hoffman
1932-3-14
s.n.
Los Angeles
Millard's Canyon, Angeles National Forest [San Gabriel Mountains].
Comment
RSA610141
Ribes amarum
Louis C. Wheeler
1936-3-8
4082
Los Angeles
San Gabriel Mountains: Arroyo Seco.
457
Comment
RSA85522
Ribes amarum
F. W. Peirson
1928-2-19
7686
Los Angeles
Arroyo Seco
610
Comment
SEINET4560264
Ribes amarum
Louis C. Wheeler
1936-1
4082
Los Angeles
San Gabriel Mountains: Arroyo Seco.
457
Comment
SEINET4890185
Ribes amarum
Louis C. Wheeler
1936-3-8
4082
Los Angeles
San Gabriel Mountains: Arroyo Seco.
457
Comment
UC2029986
Ribes amarum
Louis C. Wheeler
1936-3-8
4082
Los Angeles
SAN GABRIEL MOUNTAINS: Arroyo Seco.
Comment
UCR70824
Ribes amarum
L. C. Wheeler
1936-3-8
4082
Los Angeles
San Gabriel Mtns, Arroyo Seco
457
Comment
UCSB2598
Ribes amarum
Sage, Paul
1958-2-21
Los Angeles
on S. wall of Millard Canyon 100 yds; above campground at the end of Chainy Trail; Altadena
518
Comment
UCSB29454
Ribes amarum
Miller, Brian
1963-2-25
Los Angeles
Millard Canyon; San Gabriel Mts
457
Comment
RSA615514
Ribes aureum var. gracillimum
Louis C. Wheeler
1975-2-17
s.n.
Los Angeles
San Gabriel Mountains: Sunset Ridge by Millard Canyon.
Comment
UCR108636
Ribes aureum var. gracillimum
L. C. Wheeler
1975-2-17
s.n.
Los Angeles
San Gabriel Mtns, Sunset Ridge by Millard Canyon
Comment
SBBG14055
Ribes californicum
E. R. Blakley
1957-1-13
2050
Los Angeles
Pine Cyn N of Altadena
792
Comment
CAS-BOT-BC93066
Ribes californicum var. hesperium
Wesley O. Griesel
1961-5-20
s.n.
Los Angeles
Millard Canyon, San Gabriel Mountains.
457
Comment
CAS-BOT-BC93067
Ribes californicum var. hesperium
Wesley O. Griesel
1962-1-14
s.n.
Los Angeles
Millard Canyon, San Gabriel Mountains.
457
Comment
CAS-BOT-BC93086
Ribes californicum var. hesperium
A. J. McClatchie
1894-1-1
s.n.
Los Angeles
Canons [Canyons] San Gabriel Mountains near Pasadena.
Comment
CAS-BOT-BC93087
Ribes californicum var. hesperium
A. J. McClatchie
1893-6-2
128
Los Angeles
Near Pasadena.
Comment
JEPS26543
Ribes californicum var. hesperium
Peter Kamb
1948-1-10
747
Los Angeles
Millards Canyon San Gabriel Mts.
762
Comment
RSA476451
Ribes californicum var. hesperium
Anstruther Davidson
1894-02
1837
Los Angeles
Millard s Canyon
Comment
RSA476454
Ribes californicum var. hesperium
L. E. Hoffman
1930-05
s.n.
Los Angeles
Millard's Canyon, Angeles Forest
Comment
RSA602965
Ribes californicum var. hesperium
Louis C. Wheeler
1972-12-24
12795
Los Angeles
San Gabriel Mountains: near center of Las Flores Canyon.
762
Comment
RSA85321
Ribes californicum var. hesperium
F. W. Peirson
1919-1-19
4435
Los Angeles
Las Flores Canyon, San Gabriel Mts.
Comment
UC455585
Ribes californicum var. hesperium
I. J. Condit
1907-1-3
Los Angeles
Mt. Lowe Pasadena
Comment
CAS-BOT-BC6064
Ribes hesperium
Alfred James McClatchie
1894-1-1
s.n.
Los Angeles
Canons San Gabriel Mts. near Pasadena
Comment
CAS-BOT-BC6065
Ribes hesperium
Alfred James McClatchie
s.n.
Los Angeles
San Gabriel Mts, near Pasadena
Comment
A380219
Ribes indecorum
J. T. Howell
1928-2-18
3349
Unknown
Trail to Switzer's, Arroyo Seco, San Gabriel Mts.
Comment
CAS-BOT-BC173095
Ribes indecorum
Ernest Braunton
1903-1-10
793
Los Angeles
Arroyo Seco
Comment
CAS-BOT-BC173097
Ribes indecorum
John Thomas Howell
1928-2-18
3349
Los Angeles
Trail to Switzer's, Arroyo Seco, San Gabriel Mts.
Comment
CAS-BOT-BC173110
Ribes indecorum
Fordyce Grinnell
1903-12-22
18
Los Angeles
Arroyo Seco [Canon] Canyon, Sierra Madre Mts. near Pasadena
Comment
CAS-BOT-BC173119
Ribes indecorum
John Thomas Howell
1928-2-18
3349
Los Angeles
Arroyo Seco, San [Gabrill] Gabriel Mts.
Comment
JEPS49339
Ribes indecorum
Frank W. Peirson
1918-11-1
299
Los Angeles
trail to Switzers (Arroyo Seco); San Gabriel Mts.
944
Comment
JEPS49340
Ribes indecorum
Frank W. Peirson
1919-5-21
299 a
Los Angeles
San Gabriel Mountains, Arroyo Seco, Trail to Switzers Arroyo Seco; San Gabriel Mountains, Arroyo Seco
944
Comment
RSA441489
Ribes indecorum
Elbert Benjamine
1929-2-10
s.n.
Los Angeles
Arroyo Seco, above Pasadena.
762
Comment
RSA476177
Ribes indecorum
Albert J. Perkins
1917-2-25
s.n.
Los Angeles
Arroyo Seco- near upper end
Comment
RSA595510
Ribes indecorum
Louis C. Wheeler
1969-2-16
s.n.
Los Angeles
San Gabriel Mountains. Bench 1/4 mi. east of confluence of Arroyo Seco and El Prieto Canyon.
388
Comment
RSA84505
Ribes indecorum
F. W. Peirson
1918-11-1
299
Los Angeles
along top of ridge on trail to Switzer s Camp, Arroyo Seco
945
Comment
UC575722
Ribes indecorum
Lewis S. Rose
1934-12-26
34509
Los Angeles
Flintridge
Comment
CAS-BOT-BC173424
Ribes malvaceum
Ernest Braunton
1903-1-10
774
Los Angeles
Arroyo Seco
Comment
CAS-BOT-BC173439
Ribes malvaceum
A. J. McC.
1892-1-8
69
Los Angeles
San Ber. Mts, near Pasadena
Comment
CAS-BOT-BC173440
Ribes malvaceum
A. J. McClatchie
1893-2-1
s.n.
Los Angeles
San Gabriel Mts., near Pasadena
Comment
HSC12390
Ribes malvaceum
Wendell Wood
1970-6-21
24
Los Angeles
Linda Vista Rd. and Figueroa, Glendale
457
Comment
RSA764951
Ribes malvaceum
Doris Bowers
1957-11
334 .1
Los Angeles
Upper Millard's Canyon, trail to Echo Mt.
610
Comment
UC69854
Ribes malvaceum
Ernest Braunton
1903-1-10
793
Los Angeles
Arroyo Seco
Comment
JEPS26545
Ribes malvaceum var. viridifolium
Peter Kamb
1948-1-10
751
Los Angeles
Sunset Ridge San Gabriel Mts.
1005
Comment
POM277130
Ribes malvaceum var. viridifolium
E. S. Steele, H. S. Pratt
1935-2-20
s.n.
Los Angeles
Reservoir above Glen Oaks Canyon, Glendale .
Comment
RSA441466
Ribes malvaceum var. viridifolium
Martha Hilrod
1929-1-14
s.n.
Los Angeles
Mt. Lowe.
Comment
RSA441470
Ribes malvaceum var. viridifolium
L. E. Hoffman
1934-5-13
s.n.
Los Angeles
Millard's Canyon, Angeles Forest.
Comment Read comments Jan 1 2017
RSA441480
Ribes malvaceum var. viridifolium
Elbert Benjamine
1929-2-10
2028
Los Angeles
Arroyo Seco, above Pasadena.
Comment
RSA84497
Ribes malvaceum var. viridifolium
F. W. Peirson
1919-12-2
2342
Los Angeles
West Fork of Rubio Canyon, Sn Gabriel Mts
1067
Comment
UC69258
Ribes malvaceum var. viridifolium
Ernest Braunton
1903-1-10
774
Los Angeles
Arroyo Seco
Comment
CAS-BOT-BC186165
Ribes roezlii var. roezlii
1902-6-1
s.n.
Los Angeles
Summit of Mt. Lowe
1828
Comment
CAS-BOT-BC168666
Ribes speciosum
June Giddings
s.n.
Los Angeles
Arroyo Seco
Comment
HSC12480
Ribes speciosum
Wendell Wood
1970-6-17
2
Los Angeles
Chevy Chase and Linda Vista Rd., Glendale
366
Comment
HSC12674
Ricinus communis
Wendell Wood
1970-6-21
25
Los Angeles
Linda Vista Rd. and Figueroa, Glendale
457
Comment
RSA599734
Ricinus communis
L. C. Wheeler
1967-12-10
s.n.
Los Angeles
San Gabriel Mountains: Fern Canyon, off Arroyo Seco at Brown Mountain Road.
701
Comment
RSA613026
Ricinus communis
L. C. Wheeler
1974-11-26
s.n.
Los Angeles
Cobb Estate, Altadena
Comment
RSA76952
Ricinus communis
F. W. Peirson
2047
Los Angeles
New York Ave, Altadena.
Comment
UCR108354
Ricinus communis
L. C. Wheeler
1974-11-26
s.n.
Los Angeles
Cobb Estate, Altadena. S side.
595
Comment
UCSB7420
Ricinus communis
Wilson, Richard
1958-5-10
Los Angeles
1 mile N of Foothill Blvd. on Angeles Crest Highway
457
Comment
RSA747743
Robinia pseudoacacia
Scott D. White, J. Wood, C. Huntley, J. Miner
2009-5-12
12687
Los Angeles
San Gabriel Mountains: Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road.
549
Comment
PASA1625
Romneya coulteri
Geneveive Torrey
Los Angeles
Altadena
Comment
CAS-BOT-BC92176
Romneya coulteri var. coulteri
June Giddings
s.n.
Los Angeles
Altadena.
Comment
RSA598682
Rorippa curvisiliqua
L. C. Wheeler
1949-6-22
6707
Los Angeles
Altadena, Devil's Gate Dam
321
Comment
SEINET11261960
Rorippa curvisiliqua
Louis C. Wheeler
1949-6-22
6707
Los Angeles
Altadena. Devil's Gate Dam.; 0
321
Comment
UCR132944
Rorippa nasturtium-aquaticum
Michael D. Wilcox
2003-8-30
s.n.
Los Angeles
San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Prop. Laboratory
381
Comment
RSA449699
Rosa californica
Geo. L. Moxley
1914-5-30
230
Los Angeles
San Rafael Hills
Comment
RSA628307
Rosa multiflora
Louis C. Wheeler
1972-4-27
s.n.
Los Angeles
San Gabriel Mountains: Millard Canyon, just south of national forest boundary.
Comment
SEINET3558033
Rosmarinus officinalis
Bruno Klinger
1968-2-5
s.n.
Los Angeles
Pasadena, Pasadena.
Comment
RSA565752
Rubus discolor
Mike Hammitt, Jason Rick
1991-6-25
s.n.
Los Angeles
San Gabriel Mountains: Arroyo Seco Canyon; above the debris dam and below Oakwilde Picnic Area along the Gabrielino Trail
Comment
RSA565753
Rubus discolor
Mike Hammitt, Jason Rick
1991-6-25
s.n.
Los Angeles
San Gabriel Mountains: Arroyo Seco Canyon; above the debris dam and below Oakwilde Picnic Area along the Gabrielino Trail
Comment
RSA599909
Rubus discolor
Louis C. Wheeler
1967-10-9
s.n.
Los Angeles
San Gabriel Mountains: Middle Fork West Ravine near Chaney Trail.
457
Comment
RSA723321
Rubus discolor
LeRoy Gross, Sarah M. Siedschlag
2007-6-4
2778
Los Angeles
Southern side of mountains. Along Mount Lukens Road (2N76.2). Short distance up road from the Angeles Crest Ranger Station. Road Survey for the National Forest. Near
771
Comment
RSA764456
Rubus leucodermis var. bernardinus
Doris Bowers
1957-3-24
347
Los Angeles
Millard's Canyon N/o Altadena.
1220
Comment
CHSC26321
Rubus parviflorus
G. Kaufman
1966-4-29
153
Los Angeles
2 miles North of Altadena in Millard Cyn. at North end of Chaney trail in San Gabriel Mtns.
579
Comment
UCR4188
Rubus pensilvanicus
R. H. Sauer
1965-4-13
s.n.
Los Angeles
San Gabriel Mtns., along road, c. 2.5 miles into Arroyo Seco Canyon, Pasadena
427
Comment
LA208243
Rubus ursinus
Carl Epling;
May 1925
Los Angeles
Arroyo Seco
Comment
POM1473
Rubus ursinus
Unspecified
1893-05
s.n.
Los Angeles
Arroyo Seco, Pasadena
Comment
RSA86833
Rubus ursinus
F. W. Peirson
1921-5-3
8653
Los Angeles
North Fork of Millards Canyon
1067
Comment
RSA600753
Rumex crispus
Louis C. Wheeler
1967-6-16
9842
Los Angeles
San Gabriel Mountains : Sunset Ridge by Millard Canyon; Coulter Reservoir.
655
Comment
UCR136825
Rumex crispus
John F. Green
2003-6-24
s.n.
Los Angeles
Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory
381
Comment
RSA65453
Rumex hymenosepalus
F. W. Peirson
1919-3-6
1803
Los Angeles
New York Ave, Altadena.
Comment
RSA0104902
Rumex salicifolius
R. G. Swinney
2011-10-18
15827
Los Angeles
San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy.
1021
Comment
UCR273281
Rumex salicifolius
R. G. Swinney
2011-10-18
15827
Los Angeles
San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy
1037
Comment
RSA608039
Rupertia physodes
L. C. Wheeler
1947-7-4
6540
Los Angeles
San Gabriel Mountains: El Prieto Canyon, off Millard Canyon
670
Comment
JEPS28827
Rupertia rigida
Wesley O. Griesel
1961-4-11
Los Angeles
San Gabriel Mountains, Millard Canyon Millard Canyon; San Gabriel Mountains, Millard Canyon
609
Comment
RSA601573
Sagina apetala
L. C. Wheeler
1967-6-16
9846
Los Angeles
San Gabriel Mountains: Sunset Ridge by Millard Canyon; north side NE of Coulter Reservoir.
640
Comment
UCR273379
Salix
R. G. Swinney
2011-10-18
15808
Los Angeles
San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy
1037
Comment
CAS-BOT-BC103145
Salix bonplandiana
Geo. B. Grant
1902-4-9
s.n.
Los Angeles
[Marenjo Canon] Marengo Canyon, Pasadena
Comment
CAS-BOT-BC103147
Salix bonplandiana
Geo. B. Grant
1902-1-1
s.n.
Los Angeles
[Morenjo Canon] Marengo Canyon, Pasadena
Comment
POM308089
Salix exigua
Henry J. Ramsey, Henry J. Ramsey
1937-3-21
2908
Los Angeles
North Craig Ave., Altadena.
Comment
RSA613032
Salix exigua
Louis C. Wheeler
1975-4-2
s.n.
Los Angeles
San Gabriel Mountains: Millard Canyon just above Canyon Crest Road.
Comment
UCR108358
Salix exigua
L. C. Wheeler
1975-4-2
s.n.
Los Angeles
San Gabriel Mtns., Millard Canyon just above Canyon Crest Road
Comment
CHSC26073
Salix gooddingii
R. C. Koukol
1968-5-9
21
Los Angeles
Ca. 2 miles SE of La Canada at Devil's Gate Dam.
457
Comment
CHSC26085
Salix laevigata
Bill Barron
1968-4-9
6
Los Angeles
Ca. 2 miles SE of La Canada along North shore of Devils' Gate Reservoir in San Gabriel Mtns.
304
Comment
POM307400
Salix lasiolepis
Henry J. Ramsey, Henry J. Ramsey
1937-9-2
2362
Los Angeles
Ladybug Canyon, Angeles Crest Highway.
Comment
POM362742
Salix lasiolepis
Robert Gustafson
1973-5-17
s.n.
Los Angeles
3 mi southwest of the Mt. Wilson turnoff on Angeles Crest Highway
1585
Comment
SBBG57869
Salix lasiolepis
M. N. Ackley
1928-2-12
984
Los Angeles
Eaton Wash
381
Comment
UC483089
Salix lasiolepis
Frank W. Peirson
1932-3-3
9767
Los Angeles
Arroyo Seco Canyon; banks of stream
396
Comment
CAS-BOT-BC107540
Salix lasiolepis var. lasiolepis
S. Y. Parnay
Mar.
37
Los Angeles
Rubio [Canon] Canyon
Comment
SFV19099
Salix lucida
M. Gary
2003-5-10
s. n.
Los Angeles
La Canada. Arroyo Seco at Hahamongna Watershed Park.
350
Comment
UCR132303
Salpichroa origanifolia
John F. Green
2003-7-17
s.n.
Los Angeles
San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect two
396
Comment
UCR207626
Salpichroa origanifolia
O. F. Clarke
2004-4-27
s.n.
Los Angeles
San Gabriel Mtns., Arroyo Seco near Pasadena
Comment
RSA657473
Salsola tragus
Joseph M. Keefe
2001-1-24
31033
Los Angeles
Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena.
250
Comment
POM308209
Saltugilia splendens subsp. grantii
Henry J. Ramsey, Henry J. Ramsey
1937-9-2
2993
Los Angeles
Lady Bug Canyon, Angeles Crest Highway.
Comment
RSA469660
Saltugilia splendens subsp. grantii
Geo L. Moxley
1915-7-19
379
Los Angeles
Arroyo Seco Canyon at Switzer's Camp. San Gabriel Mountains.
Comment
SBBG64368
Saltugilia splendens subsp. grantii
M. N. Ackley
1927-6-5
810
Los Angeles
trail to Switzerland
Comment
RSA469676
Saltugilia splendens subsp. splendens
N. C. Cooper
1949-6-6
4207
Los Angeles
Angeles Crest Hwy. Los Angeles Co.
1220
Comment
HSC12388
Salvia apiana
Wendell Wood
1970-6-21
20
Los Angeles
Linda Vista Rd. and Figueroa, Glendale
457
Comment
RSA411295
Salvia apiana
L. E. Hoffman
1931-11-9
s.n.
Los Angeles
San Gabriel Mountains: Millards Canyon, Angeles National Forest.
Comment
RSA411307
Salvia apiana
Fordyce Grinnell Jr.
1910-06
3283
Los Angeles
Switzers Trail. San Gabriel Moutains.
Comment
UCR175042
Salvia apiana
Holly Summers
2006-6-4
56
Los Angeles
San Gabriel Mountains, 2 miles north of Foothill Blvd. on Angeles Crest Highway (Hwy 2), near Brown Canyon
701
Comment
CHSC26066
Salvia carduacea
M. Malody
1966-4-17
34
Los Angeles
Mallard Canyon in the San Gabriel Mountains.
365
Comment
JEPS62665
Salvia columbariae
Frank W. Peirson
1919-3-27
335
Los Angeles
hills w Arroyo Seco; San Gabriel Mts.
426
Comment
SFV16166
Salvia columbariae
P. A. Krueger
1994-5-18
34
Los Angeles
San Gabriel Mountains 5.5 miles north on Mount Lowe Truck Trail from Chaney Trail.
900
Comment
GH403383
Salvia leucophylla
Mrs. T. C. Pease
1910-5-10
Unknown
Mt. Lowe
Comment
CAS-BOT-BC229497
Salvia mellifera
Jun Hu; Weena Sangkatavat
2000-4-22
03
Los Angeles
Transverse Ranges; San Gabriel Mtns.: Millard Canyon, 2 mi N of Altadena. First trail on the right immediately before Millard Campground
549
Comment
CAS-BOT-BC233268
Salvia mellifera
S. Parnay
Mar. (No year on label)
s.n.
Los Angeles
Rubio Canyon
Comment
HSC12511
Salvia mellifera
Wendell Wood
1970-6-17
8
Los Angeles
Linda Vista Rd. and Chevy Chase, Glendale
366
Comment
OBI69407
Salvia mellifera
Patricia A. Krueger
1994-5-18
40
Los Angeles
San Gabriel Mts, 3.8 mi N on Mt. Lower Truck Trl from Chaney Trl
1219
Comment
RSA434120
Salvia mellifera
L. E. Hoffman
1932-3-14
s.n.
Los Angeles
Millard's Canyon, Angeles National Forest [San Gabriel Mountains].
Comment
RSA434124
Salvia mellifera
Fordyce Grinnell Jr.
1910-04
s.n.
Los Angeles
San Rafael Hills, Pasadena.
Comment
RSA656388
Salvia mellifera
Ray Vose
1980-5-31
s.n.
Los Angeles
Verdugo Mountains: Location 20-30 yards south of 3420 Figueroa Street, Glendale.
412
Comment
UCD125537
Salvia mellifera
A. C. Sanders; D. Malueg
1998-6-22
22029
Los Angeles
San Gabriel Mtns. La Canada, SCE Gould Substation off Hwy 2, Gould Canyon.
595
Comment
UCR111507
Salvia mellifera
A. C. Sanders, D. Malueg
1998-6-22
22029
Los Angeles
San Gabriel Mtns., La Canada, SCE Gould Substation off Hwy 2, Gould Canyon
595
Comment
UCR172706
Salvia mellifera
Jun Hu, Weena Sangkatavat
2000-4-22
03
Los Angeles
Transverse Ranges; San Gabriel Mtns., Millard Canyon, 2 mi N of Altadena. First trail on the right immediately before Millard Campground
549
Comment
UCR4172
Salvia mellifera
R. H. Sauer
1965-4-13
s.n.
Los Angeles
San Gabriel Mtns., along road, about 1/2 mi north of gauging station in Arroyo Seco Canyon. Pasadena
427
Comment
RSA434069
Salvia spathacea
Dorothy Davis
1923-4-29
s.n.
Los Angeles
La Canada.
Comment
RSA82396
Salvia spathacea
F. W. Peirson
1920-5-8
1054
Los Angeles
San Raphael Hills.
457
Comment
PASA281
Sambucus cerulea
J. E. Giguette
May, 26
Los Angeles
Flintridge
Comment
JEPS12738
Sambucus mexicana
Frank W. Peirson
1919-4-24
391
Los Angeles
canyon e Rubio; San Gabriel Mountains
548
Comment
PASA282
Sambucus mexicana
Nora Serruirer
Los Angeles
Altadena
Comment
POM308139
Sambucus mexicana
Henry J. Ramsey, Henry J. Ramsey
1937-5-16
2936
Los Angeles
Altadena, N. Craig Ave.
Comment
RSA477572
Sambucus mexicana
Howard Mullins
1931-3-11
s.n.
Los Angeles
Oakwilde.
Comment
RSA608856
Sambucus mexicana
L. C. Wheeler
1963-10-12
8405
Los Angeles
Altadena: 55 E. Pine Street.
Comment
RSA738056
Sambucus mexicana
Jane Snyder
1966-5-10
6
Los Angeles
San Rafael Hills
213
Comment
UCSB10480
Sambucus nigra subsp. caerulea
Wedberg, Lee
1954-4-26
Los Angeles
Devil's Gate Dam, Pasadena
243
Comment
RSA747752
Sanicula crassicaulis
Scott D. White, J. Wood, C. Huntley, J. Miner
2009-5-12
12686
Los Angeles
Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road.
549
Comment
UCR213792
Sanicula crassicaulis
Scott D. White, Justin M. Wood, Chris Huntley, Jamie Miner
2009-5-12
12686
Los Angeles
San Gabriel Mountains, Millard Canyon, north of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lower Fire Road
707
Comment
UCR238473
Sanicula crassicaulis
Orlando Mistretta, Christine Mistretta
2008-5-6
2667
Los Angeles
Transverse Ranges; San Gabriel Mountains, Southern California Edison transmission line corridor (Segment 11, Impact Area 17 per TRTP Survey 2008), in the vicinity of Millard Canyon
628
Comment
RSA471492
Sanicula tuberosa
Anstruther Davidson
1892-05
s.n.
Los Angeles
Millard Canon. Los Angeles.
Comment
SEINET3157032
Sanicula tuberosa
G. B. Grant
1906-6-10
sn
Los Angeles
Mt. Lowe; Pasadena
1219
Comment
UC420475
Sanicula tuberosa
G. B. Grant
1906-6-10
6665
Los Angeles
Mount Lowe
Comment
UCSB41292
Sanicula tuberosa
Griesel, Wesley
1959-4-30
Los Angeles
Switzer's Inlet, San Gabriel Mts.
914
Comment
POM48473
Satureja mimuloides
Raymond J. Dobbs
1924-7-8
s.n.
Los Angeles
Along trail two and one-half miles below Switzer Camp.
Comment
RSA445300
Satureja mimuloides
Geo. L. Moxley
1914-9-7
280
Los Angeles
Arroyo Seco Canyon.
Comment
RSA445301
Satureja mimuloides
Geo. L. Moxley
1914-9-7
280
Los Angeles
Arroyo Seco Canyon.
Comment
RSA445302
Satureja mimuloides
Geo. L. Moxley
1915-7-24
437
Los Angeles
Arroyo Seco Canyon, about 1/2 mile above Oak Wild Camp.
Comment
RSA83430
Satureja mimuloides
F. W. Peirson
1924-7-8
5394
Los Angeles
2.5 miles below Switzer s Camp, San Gabriel Mts, above Pasadena.
671
Comment
UC188199
Satureja mimuloides
G. L. M.
1915-7-24
437
Los Angeles
1/2 mi above Oak Wilde Camp; San Gabriel Mts., Arroyo Seco Canyon
Comment Read comments Sep 12 2013
UC570722
Satureja mimuloides
Dr. R. J. Dobbs
1924-7-8
5394
Los Angeles
trail to Switzers Camp; San Gabriel Mts.
Comment
RSA458884
Saxifraga californica
Ella M. Kennedy
1923-3-12
s.n.
Los Angeles
Arroyo Seco
Comment
RSA630738
Saxifraga californica
LeRoy Gross
1999-5-8
159
Los Angeles
San Gabriel Mountains: Bear Canyon (a tributary of the Arroyo Seco) along trail about 500 feet above stream.
914
Comment
RSA604200
Schedonorus arundinaceus
L. C. Wheeler
1972-5-21
s.n.
Los Angeles
San Gabriel Mountains: Millard Canyon, just inside National Forest Boundary.
Comment
RSA82355
Scutellaria tuberosa
F. W. Peirson
1919-3-11
178
Los Angeles
Small Canyon east of Rubio Canyon south base of San Gabriel Mtns. at 1800 ft.
549
Comment
UCR95263
Scutellaria tuberosa
L. C. Wheeler
1967-5-7
9283
Los Angeles
San Gabriel Mtns, vicinity of Coulter Reservoir, Sunset Ridge, south of Millard Canyon, north side of Sunset Ridge, northeast of reservoir
625
Comment
UCR132309
Searsia pendulina
John F. Green
2003-7-17
s.n.
Los Angeles
San Gabriel Mtns., Arroyo Seco, Pasadena, c. 1 mile north of Jet Prop. Lab., transect three
427
Comment
RSA595364
Selaginella asprella
Louis Cutter Wheeler
1970-5-24
s.n.
Los Angeles
San Gabriel Mountains: Saddle between Mt. Markham and Mt. Lowe.
1615
Comment
RSA636133
Selaginella asprella
Louis Cutter Wheeler
1951-4-7
8548
Los Angeles
San Gabriel Mountains: Mount Deception,[0.6] mile near Mount Disappointment.
1764
Comment
CAS-BOT-BC62030
Selaginella bigelovii
Le Roy Abrams
1900-3-1
219
Los Angeles
Millardo Canyon
Comment
CAS-BOT-BC62038
Selaginella bigelovii
John H. Thomas
1957-5-11
6754
Los Angeles
San Gabriel Mountains, about 3 miles north of La Canada near Angeles Crest Highway
762
Comment
UC1874982
Selaginella bigelovii
Ruth Kirkpatrick
2001-7-30
1081
Los Angeles
San Gabriel Mountains at Red Box Picnic Area on Angeles Crest Hwy (Hwy 2), Angeles National Forest Red Box Station. Angeles Crest Hwy and Mount Wilson/Red Box
1432
Comment
UC188960
Selaginella bigelovii
Geo. L. Moxley
1915-7-23
421
Los Angeles
near Switzer's Arroyo Seco Canyon; San Gabriel Mts.
914
Comment
UC1075543
Selago serrata
Bonnie C. Templeton
1956-7-12
7679
Los Angeles
Dr. S. Ayers garden, La Canada, California
Comment
CAS-BOT-BC327397
Senecio astephanus
unspecified
1900-4-12
s.n.
Los Angeles
Mt. Lowe, Castle Canyon
Comment
JEPS26956
Senecio astephanus
Frank W. Peirson
1920-6-10
1432
Los Angeles
near Inspiration Point (on Mt. Lowe); San Gabriel Mts., Mt. Lowe
1371
Comment
JEPS26957
Senecio astephanus
Frank W. Peirson
1920-6-10
1432
Los Angeles
near Inspiration Point (on Mt. Lowe); San Gabriel Mts., Mt. Lowe
1371
Comment
RSA94545
Senecio breweri
F. W. Peirson
1918-5-5
1433
Los Angeles
along road to [Brents] on the Malibu, Santa Monica Mts.
Comment
CAS-BOT-BC333107
Senecio flaccidus var. douglasii
F. Grinnell Jr.
1917-6-30
s.n.
Los Angeles
Altadena
457
Comment
GH427779
Senecio flaccidus var. douglasii
C. C. Kingman
1910-5-21
Unknown
Altadena
Comment
JEPS15070
Senecio flaccidus var. douglasii
F. Grinnell Jr.
1917-6-30
Los Angeles
Altadena
457
Comment
JEPS37252
Senecio flaccidus var. douglasii
F. W. Peirson
1918-6-28
247
Los Angeles
Lower Rubio Canyon San Gabriel Mts.
579
Comment
POM304711
Senecio flaccidus var. douglasii
Henry J. Ramsey, Ramsey
1937-7-12
185
Los Angeles
North Craig Ave., Altadena
Comment
POM305065
Senecio flaccidus var. douglasii
Henry J. Ramsey, Henry J. Ramsey
1937-1-2
354
Los Angeles
Altadena.
396
Comment
POM305682
Senecio flaccidus var. douglasii
Henry J. Ramsey, Henry J. Ramsey
1937-8-29
984
Los Angeles
Altadena.
396
Comment
POM306344
Senecio flaccidus var. douglasii
Henry J. Ramsey, Ramsey
1937-8-2
1426
Los Angeles
Altadena
Comment
RSA529897
Senecio flaccidus var. douglasii
Timothy S. Ross
1991-8-16
5800
Los Angeles
Woodwardia canyon, San Gabriel Mtns (N of Pasadena)
819
Comment
UC1586207
Senecio flaccidus var. douglasii
Tim Ross
1991-8-16
5800
Los Angeles
n Pasadena (Woodwardia Canyon); Condor Peak Quad., San Gabriel Mountains, Woodwardia Canyon
818
Comment
UC750623
Senecio flaccidus var. douglasii
Lewis S. Rose
1946-12-21
46299 a
Los Angeles
3 mi ne La Canada (Angeles Crest Highway)
609
Comment
UCR132302
Senecio flaccidus var. douglasii
John F. Green
2003-7-17
s.n.
Los Angeles
San Gabriel Mtns., Arroyo Seco, Pasadena, just east of Jet Prop. Lab., transect zero below diversion dam
366
Comment
UCR207799
Senecio flaccidus var. douglasii
O. F. Clarke
2004-5-24
s.n.
Los Angeles
San Gabriel Mtns. Foothills, Lake Ave., Pasadena
553
Comment
UCSB27642
Senecio flaccidus var. douglasii
Lavinger, S.
1975-10-6
Los Angeles
Angeles Crest Highway .3 miles north of Angeles Crest Ranger Station; San Gabriel Mountains
762
Comment
RSA565746
Senecio mikanioides
Mike Hammitt, Jason Rick
1991-6-25
s.n.
Los Angeles
Arroyo Seco Canyon; just above the debris dam and below Oakwilde Picnic Are along Gabrielino Trail
Comment
RSA605907
Senecio mikanioides
L. C. Wheeler
1968-12-15
s.n.
Los Angeles
San Gabriel Mountains: Millard Canyon at about the National Forest Boundary
1509
Comment
RSA613025
Senecio mikanioides
L. C. Wheeler
1974-12-29
s.n.
Los Angeles
San Gabriel Mountains: Bottom of Millard Canyon, on both sides of Angeles National Forest Boundary.
Comment
UCR108457
Senecio mikanioides
L. C. Wheeler
1974-12-29
s.n.
Los Angeles
San Gabriel Mtns., Bottom of Millard Canyon, on both sides of Angeles National Forest boundary. E side of canyon
Comment
UCR132349
Senecio mikanioides
John F. Green
2003-7-17
s.n.
Los Angeles
San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect one
381
Comment
RSA657373
Senecio vulgaris
Joseph M. Keefe
2001-1-24
31034
Los Angeles
Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena.
250
Comment
RSA601710
Setaria viridis
L. C. Wheeler
1967-10-23
s.n.
Los Angeles
San Gabriel Mountains: Angeles Crest Highway at North Fork Dark Canyon.
891
Comment
UCD170105
Silene armeria
A. C. Sanders; D. Malueg
1998-6-22
21986 -A
Los Angeles
San Gabriel Mtns., foothills along Hwy 2 at La Canada, at turnoff to SCE Gould substation, Gould Canyon watershed.
610
Comment
UCR181664
Silene armeria
A. C. Sanders, D. Malueg
1998-6-22
21986 A
Los Angeles
San Gabriel Mtns., foothills along Hwy 2 at La Canada, at turnoff to SCE Gould substation, Gould Canyon watershed
610
Comment
CAS-BOT-BC174904
Silene laciniata
F. Grinnell
1910-6-22
s.n.
Los Angeles
Switzers Trail, San Gabriel Mts.
1066
Comment
PASA1300
Silene laciniata
J. E. Giguette
May '26
Los Angeles
Flintridge
Comment
UCR132347
Silene laciniata
John F. Green
2003-7-17
s.n.
Los Angeles
San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect one
381
Comment
CHSC26097
Silene laciniata subsp. laciniata
J. Kieffer
1971-6-5
53
Los Angeles
Flintridge, above Pasadena on Linda Vista Ave; San Gabriel Mts.
Comment
SFV20782
Silene laciniata subsp. laciniata
J. N. Hogue
2007-6-7
292 .1
Los Angeles
San Gabriel Mountains Arroyo Seco behind JPL.
350
Comment
CLARK-A1528-2628
Silene laciniata subsp. major
Robin L. Kobaly
1972-5-17
RLK 720517
Los Angeles
San Gabriel Mountains
365
Comment
JEPS50958
Silene laciniata subsp. major
W. L. Jepson
1918-6-28
42
Los Angeles
foothills e Rubio Canyon; e of Rubio Canyon
609
Comment
RSA477932
Silene laciniata subsp. major
Fordyce Grinnell Jr.
1910-6-22
1931
Los Angeles
Switzers trail
1066
Comment
CAS-BOT-BC389331
Silene lemmonii
Geo. B. Grant
1901-5-23
s.n.
Los Angeles
Mt. Lowe
Comment
JEPS50884
Silene lemmonii
Frank Peirson
1918-6-10
39
Los Angeles
Mt. Lowe
1371
Comment
POM11236
Silene lemmonii
George B. Grant
1906-6-10
s.n.
Los Angeles
Mt. Lowe
1524
Comment
POM11237
Silene lemmonii
George B. Grant
1901-5-23
s.n.
Los Angeles
Mt. Lowe
1371
Comment
RSA802432
Silene verecunda subsp. platyota
Orlando Mistretta, Cher Batchelor
2011-7-27
5990
Los Angeles
Arroyo Seco Cyn drainage. Angeles Crest Hwy, near mile market no. 31.
975
Comment
RSA66082
Sinapis arvensis
F. W. Peirson
1919-4-5
1898
Los Angeles
New York Ave. Altadena
351
Comment
RSA431750
Sisymbrium officinale
Anstruther Davidson
1891-5-30
s.n.
Los Angeles
Millards Canyon
Comment
RSA747751
Sisymbrium officinale
Scott D. White, J. Wood, J. Miner
2009-5-12
12700
Los Angeles
Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road.
549
Comment
UCR132947
Sisymbrium officinale
Michael D. Wilcox
2003-8-30
s.n.
Los Angeles
San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Prop. Laboratory
381
Comment
UCR136840
Sisymbrium officinale
John F. Green
2003-6-24
s.n.
Los Angeles
Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory
381
Comment
UCSB2438
Sisymbrium officinale
Kamb, Peter
1947-5-25
Los Angeles
Millard's Canyon near Sunset Ridge guard station, San Gabriel Mts.
670
Comment
CAS-BOT-BC75411
Sisymbrium orientale
J. H. Thomas
1957-5-11
6744
Los Angeles
About 2 miles northeast of La Canada, near Angeles Crest Highway.
609
Comment
RSA670951
Sisymbrium orientale
Joseph M. Keefe
2001-1-24
31035
Los Angeles
East side of Arroyo Seco, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena.
250
Comment
UCR136846
Sisymbrium orientale
John F. Green
2003-6-24
s.n.
Los Angeles
Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory
381
Comment
PASA1254
Sisyrinchium bellum
Loletta Hiebert
Los Angeles
Rubio Canyon
Comment
CAS-BOT-BC167076
Solanum douglasii
Wayne Law; Jun Hu
2000-4-30
04
Los Angeles
Transverse Ranges; San Gabriel Mtns.: Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground
823
Comment
JEPS12079
Solanum douglasii
Frank W. Peirson
1918-10-15
282
Los Angeles
Rubio Canyon; San Gabriel Mountains, Rubio Canyon
701
Comment
RSA602762
Solanum douglasii
Louis C. Wheeler
1972-12-24
12796
Los Angeles
San Gabriel Mountains: near center of Las Flores Canyon.
762
Comment
RSA652023
Solanum douglasii
Vance Langford
1948-3-29
s.n.
Los Angeles
On west slope of Fern canyon off Arroyo Seco, above Devil's gate dam in Altadena
Comment
RSA660308
Solanum douglasii
Yvonne Rasmussen, Deborah Rasmussen
1984-5-5
44
Los Angeles
4.9 miles past the Pasadena city limits, a pull off on the left side of road as one is going up mountain.
Comment
SD234534
Solanum douglasii
Wayne Law, Jun Hu
2000-4-30
4
Los Angeles
Transverse Ranges; San Gabriel Mtns.: Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground.
518
Comment
UCD126023
Solanum douglasii
Natalie deGarder
1992-5-30
22
Los Angeles
Altadena, 1.5 mi. from Highway 210 up Lincoln Rd to top of Rising Hill Road.
518
Comment
UCD67371
Solanum douglasii
Natalie deGarder
1992-5-30
22
Los Angeles
Altadena, 1.5 mi. from Highway 210 up Lincoln Rd to top of Rising Hill Road.
518
Comment
UCR172776
Solanum douglasii
Wayne Law, Jun Hu
2000-4-30
04
Los Angeles
Transverse Ranges; San Gabriel Mtns., Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground.
823
Comment
UCR179770
Solanum mauritianum
R. E. Riefner Jr.
2004-8-22
04- 377
Los Angeles
San Gabriel Mtns. Foothills, Altadena, along Calaveras St. near Holliston Ave.
390
Comment
RSA670953
Solanum nigrum
Joseph M. Keefe
2001-1-24
31036
Los Angeles
East side of Arroyo Seco, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena.
250
Comment
CHSC3678
Solanum physalifolium var. nitidibaccatum
Mary MacArthur
1966-5-26
31
Los Angeles
Switzers camp. San Gal. Mts.
914
Comment
A244828
Solanum umbelliferum
1902-06-01 - 1902-07-01
Unknown
Mount Lowe
Comment Read comments Dec 4 2015
CAS-BOT-BC156507
Solanum umbelliferum
F. Grinnell Jr.
1917-7-29
s.n.
Los Angeles
Upper Millards [Canon] Canyon, San Gabriel Mountains
Comment
GH244989
Solanum umbelliferum
Unknown
Mount Lowe, Southern California
Comment Read comments Jul 1 2012
JEPS12159
Solanum umbelliferum
Frank W. Peirson
1918-6-1
185
Los Angeles
Echo Mountain; San Gabriel Montains, Echo Mountain
1036
Comment Read comments Mar 3 2012
JEPS96898
Solanum umbelliferum
Dean W. Taylor
1992-5-1
12495
Los Angeles
1 mile East of Gorges Gap on Angeles Crest Highway (Highway 2)
1219
Comment
RSA581014
Solanum umbelliferum
Jamie Kneitel
1995-4-9
17
Los Angeles
San Gabriel Mountains, 4.7 miles north of ranger station on Angeles Crest Highway.
915
Comment
CHSC3672
Solanum xanti
Mary MacArthur
1966-5-26
36
Los Angeles
Switzers Camp-San Gab. Mts.
914
Comment
SBBG70638
Solanum xanti
M. N. Ackley
1927-6-5
977
Los Angeles
old trail to Switzerland
457
Comment
UCR104744
Solanum xanti
David Charlton
1989-4-30
2996
Los Angeles
San Gabriel Mtns., George's Gap, Angeles Crest Highway, approximately 10 miles north of the southern boundary of the Angeles National Forest, c. 1 mi. (airline) NW of Switzer Camp.
1159
Comment
UCR4197
Solanum xanti
R. H. Sauer
1965-4-13
s.n.
Los Angeles
San Gabriel Mtns, Pasadena, Arroyo Seco Canyon, along road c. 2.5 miles into the canyon
426
Comment
CAS-BOT-BC365025
Solidago velutina subsp. californica
F. Grinnell Jr.
1908-10-8
s.n.
Los Angeles
Switzer Camp, San Gabriel Mts.
914
Comment
CAS-BOT-BC365031
Solidago velutina subsp. californica
Fordyce Grinnell
1903-12-22
24
Los Angeles
Arroyo Seco Canon [Canyon], near Pasadena
Comment
CAS-BOT-BC365036
Solidago velutina subsp. californica
Fordyce Grinnell
1915-9-4
s.n.
Los Angeles
Upper Arroyo Seco Canon [Canyon], San Gabriel Mts.
Comment
JEPS32448
Solidago velutina subsp. californica
F. W. Peirson
1918-11-1
230 a
Los Angeles
Arroyo Seco , Arroyo Seco (San Gabriel Mts.)
1295
Comment
RSA0104908
Solidago velutina subsp. californica
R. G. Swinney
2011-10-18
15838
Los Angeles
San Gabriel Mountains: 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2.
1021
Comment
UCR273302
Solidago velutina subsp. californica
R. G. Swinney
2011-10-18
15838
Los Angeles
San Gabriel Mountains, 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2
1021
Comment
RSA600754
Sonchus oleraceus
L. C. Wheeler
1967-6-16
9848
Los Angeles
San Gabriel Mountains : Sunset Ridge by Millard Canyon; N of Coulter Reservoir.
640
Comment
CAS-BOT-BC167079
Spartium junceum
Jun Hu; Weena Sangkatavat
2000-4-22
07
Los Angeles
Millard Canyon, 2 mi N of Altadena. First trail on the right immediately before Millard Campground
549
Comment
CDA35050
Spartium junceum
Scott D. White, J. Wood & J. Miner
2009-5-12
12696
Los Angeles
San Gabriel Mountains; Millard Canyon, north of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road.
Comment
CHSC3664
Spartium junceum
Mary Mac Arthur
1966-6-4
47
Los Angeles
San Gab Mts. Past Wilson Turnoff-Angeles Crest.
914
Comment
HSC98386
Spartium junceum
Wendell Wood
1970-6-20
13
Los Angeles
Linda Vista Rd. and Figueroa, Glendale
457
Comment
RSA0031847
Spartium junceum
Geraldine Dodd
1992-5-2
001
Los Angeles
2 miles north of corner of Loma Alta Dr. & Lake Ave. in Altadena. Sam Merrill hiking trail.
975
Comment
RSA0106495
Spartium junceum
R. G. Swinney
2011-10-18
15831
Los Angeles
San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy.
1021
Comment
RSA603403
Spartium junceum
L. C. Wheeler
1975-8-22
s.n.
Los Angeles
San Gabriel Mountains: North side Sunset Ridge by Millard Canyon, by power line.
Comment
RSA660199
Spartium junceum
Yvonne Rasmussen, Deborah Rasmussen
1984-5-5
47
Los Angeles
2.7 miles from La Canada city limits (sign) pull off on left side of road as one is going up mountain.
Comment
RSA747736
Spartium junceum
Scott D. White, J. Wood, J. Miner
2009-5-12
12696
Los Angeles
San Gabriel Mountains: Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road.
549
Comment
SFV16674
Spartium junceum
P. Wilson, J. M. Albert
1996-6-12
3430
Los Angeles
San Gabriel Mountains Off Highway 2 and mile marker 29.13.
823
Comment
UCR172710
Spartium junceum
Jun Hu, Weena Sangkatavat
2000-4-22
07
Los Angeles
Transverse Ranges; San Gabriel Mtns., Millard Canyon, 2 mi N of Altadena. First trail on the right immediately before Millard Campground
549
Comment
UCR172780
Spartium junceum
Wayne Law, Jun Hu
2000-4-30
01
Los Angeles
Transverse Ranges; San Gabriel Mtns., Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground.
823
Comment
UCR213789
Spartium junceum
Scott D. White, Justin M. Wood, Jamie Miner
2009-5-12
12696
Los Angeles
San Gabriel Mountains, Millard Canyon, north of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lower Fire Road
707
Comment
UCR273285
Spartium junceum
R. G. Swinney
2011-10-18
15831
Los Angeles
San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy
1037
Comment
RSA65491
Spergula arvensis
F. W. Peirson
1869
Los Angeles
Devil's Gate, Arroyo Seco
Comment
RSA65565
Spergularia platensis
F. W. Peirson
1944-8-19
s.n.
Los Angeles
at 1085 New York Avenue, Altadena
Comment
RSA82554
Stachys albens
F. W. Peirson
1927-8-14
7840
Los Angeles
Arroyo Seco south base of San Gabriel Mts.
549
Comment
UCR132946
Stachys albens
Michael D. Wilcox
2003-8-30
s.n.
Los Angeles
San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Prop. Laboratory
381
Comment
UCR136832
Stachys albens
John F. Green
2003-6-24
s.n.
Los Angeles
Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory
381
Comment
RSA446635
Stachys bullata
E. S. Spalding
1925-4-26
16014
Los Angeles
Arroyo Seco
Comment
UCR136828
Stellaria media
John F. Green
2003-6-24
s.n.
Los Angeles
Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory
381
Comment
UCR238469
Stellaria media
Orlando Mistretta, Christine Mistretta
2008-5-5
2652
Los Angeles
Transverse Ranges; San Gabriel Mountains, Southern California Edison transmission line corridor (Segment 11, Impact Area 17 per TRTP Survey 2008), in the vicinity of Millard Canyon
628
Comment
CAS-BOT-BC375135
Stephanomeria cichoriacea
Wesley O. Griesel
1961-9-23
s.n.
Los Angeles
Switzers Camp, San Gabriel Mts.
762
Comment
CAS-BOT-BC375136
Stephanomeria cichoriacea
unspecified
1911-9-4
s.n.
Los Angeles
San Gabriel Mtns., Switzers Trail
Comment
CAS-BOT-BC375138
Stephanomeria cichoriacea
Fordyce Grinnell, Jr.
1903-12-22
42
Los Angeles
Arroyo Seco canon [Canyon], near Pasadena
Comment
CAS-BOT-BC375139
Stephanomeria cichoriacea
W. R. Dudley
1899-7-22
s.n.
Los Angeles
Above Alpine Tavern, Mount Lowe
Comment
CAS-BOT-BC375143
Stephanomeria cichoriacea
F. Grinnell Jr.
1917-9-23
s.n.
Los Angeles
Negro Canon [Canyon], near Pasadena, San Gabriel Mts.
Comment
CAS-BOT-BC375144
Stephanomeria cichoriacea
F. Grinnell Jr.
1917-7-29
s.n.
Los Angeles
Mt Lowe, San Gabriel Ridge. San Gabriel Mountains
1615
Comment
POM21343
Stephanomeria cichoriacea
Fordyce Grinnell Jr.
1917-9-23
s.n.
Los Angeles
Negro Canyon near Pasadena; San Gabriel Mts.
Comment
UCSB33663
Stephanomeria cichoriacea
Griesel, Wesley
1961-9-23
Los Angeles
Switzers Camp, San Gabriel Mts.
762
Comment
SEINET218746
Stephanomeria pauciflora
A. J. Breitung
1953-6-7
15412
Los Angeles
Paradise Canyon.
Comment
UCR132355
Stephanomeria virgata
John F. Green
2003-7-17
s.n.
Los Angeles
San Gabriel Mtns., Arroyo Seco, Pasadena, c. 1 mile north of Jet Prop. Lab., transect three
427
Comment
UCR273290
Stephanomeria virgata
R. G. Swinney
2011-10-18
15839
Los Angeles
San Gabriel Mountains, 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2
1021
Comment
OBI2591
Stipa coronata
Larry E. Brown
1970-5-2
1796
Los Angeles
Along State Rte 2, ca 5 mi from La Canada
Comment
UCR100770
Stipa lepida
L. C. Wheeler
1967-6-16
9843
Los Angeles
San Gabriel Mtns., Sunset Ridge by Millard Canyon, north side (NE) of Coulter Reservoir
640
Comment
RSA66299
Stylomecon heterophylla
F. W. Peirson
1918-5-5
1889
Los Angeles
along road to [Brents] on the Malibu, Santa Monica Mts.
Comment
RSA42880
Symphoricarpos mollis
Anstruther Davidson
1889-5-30
s.n.
Los Angeles
Millard's Canyon, pasadena
Comment
RSA428880
Symphoricarpos mollis
Anstruther Davidson
1891-5-30
s.n.
Los Angeles
Millards Canyon
Comment
RSA428883
Symphoricarpos mollis
L. E. Hoffman
1934-5-13
s.n.
Los Angeles
Millard's Canyon, Angeles Forest.
Comment Read comments Jan 1 2017
CAS-BOT-BC97959
Symphyotrichum greatae
Fordyce Grinnell
1915-9-4
s.n.
Los Angeles
Upper Arroyo Seco [Canon] Canyon, San Gabriel Mts.
Comment
CAS-BOT-BC97961
Symphyotrichum greatae
F. Grinnell Jr.
1908-10-8
s.n.
Los Angeles
Switzer Camp, San Gabriel Mts.
914
Comment
CAS-BOT-BC97962
Symphyotrichum greatae
Peter H. Raven; W. O. Griesel
1961-10-13
16842
Los Angeles
Upper Arroyo Seco, about 200 yards above [Switzers] Switzer Camp
762
Comment
CAS-BOT-BC97963
Symphyotrichum greatae
Geo. B. Grant
1904-6-17
6290
Los Angeles
Arroyo Seco Canyon
Comment
CAS-BOT-BC97965
Symphyotrichum greatae
F. Grinnell Jr.
1917-9-23
s.n.
Los Angeles
Negro [Canon] Canyon, near Pasadena, San Gabriel Mountains
Comment
CAS-BOT-BC97966
Symphyotrichum greatae
Frank W. Peirson
1918-10-16
4733
Los Angeles
Rubio [Canon] Canyon
731
Comment
CAS-BOT-BC97970
Symphyotrichum greatae
A. J. McC.
1892-9-14
102
Los Angeles
Pasadena
Comment
CAS-BOT-BC97972
Symphyotrichum greatae
Ernest Braunton
1902-7-1
588
Los Angeles
Arroyo Seco
Comment
CAS-BOT-BC97975
Symphyotrichum greatae
F. Grinnell Jr.
1908-10-8
s.n.
Los Angeles
Switzer Camp, San Gabriel Mts.
914
Comment
HSC30001
Symphyotrichum greatae
P. H. Raven, Wesley O. Griesel
1970-10-13
16842
Los Angeles
Upper Arroyo Seco, about 200 yards above Switzers Camp
762
Comment
JEPS22808
Symphyotrichum greatae
Louis A. Greata
1900-11-1
460
Los Angeles
Arroyo Seco
Comment
OBI16996
Symphyotrichum greatae
Wesley O. Griesel
1961-9-2
s.n.
Los Angeles
Switzer's Camp, Arroyo Seco, San Gabriel Mtns
762
Comment
SEINET3854195
Symphyotrichum greatae
Peter H. Raven, W. O. Griesel
1961-10-13
16842
Los Angeles
Upper Arroyo Seco, about 200 yards above Switzers Camp
762
Comment
UC86803
Symphyotrichum greatae
Louis A. Greata
Nov. 1900
460
Los Angeles
Arroyo Seco
Comment
UCD136506
Symphyotrichum greatae
Peter H. Raven; W. O. Griesel
1961-10-13
16842
Los Angeles
Upper Arroyo Seco, about 200 yards above Switzers Camp.
762
Comment
UCSB33690
Tamarix gallica
Filice, Diane
1965-5-8
Los Angeles
Angeles Crest, 6 miles from La Canada, San Gabriel Mountains
762
Comment
UCR197081
Tanacetum parthenium
LeRoy Gross, Sarah M. Siedschlag
2007-6-4
2777
Los Angeles
Transverse Ranges; San Gabriel Mountains, southern side of mountains, along Mount Lukens Road (2N76.2). Road survey for the National Forest
771
Comment
JEPS908
Tauschia arguta
F. W. Peirson
1918-5-19
134
Los Angeles
Echo Mt.; San Gabriel Mts., Echo Mt.
609
Comment
RSA455552
Tauschia arguta
George R. Johnstone
1925-4-10
s.n.
Los Angeles
Mt. Lowe.
Comment
RSA455559
Tauschia arguta
L. E. Hoffman
1932-3-14
s.n.
Los Angeles
Millard's Canyon, Angeles National Forest [San Gabriel Mountains].
Comment
RSA455561
Tauschia arguta
L. E. Hoffman
1934-5-13
s.n.
Los Angeles
Millard's Canyon, Angeles Forest.
Comment
RSA455562
Tauschia arguta
Anstruther Davidson
1890-09
s.n.
Los Angeles
Millards Canon, Pasadena.
Comment
UCR19570
Tauschia arguta
Edwin Kline
1925-4-26
s.n.
Los Angeles
San Gabriel Mtns., Arroyo Seco
Comment
JEPS164
Tauschia parishii
F. W. Peirson
1918-6-10
136
Los Angeles
summit of Mt. Lowe; San Gabriel Mts., summit of Mt. Lowe
Comment
UC21442
Tauschia parishii
A. J. McClatchie
1893-6-28
477
Los Angeles
near Pasadena Mt. Lowe; , near Pasadena
1828
Comment
CAS-BOT-BC399744
Thalictrum polycarpum
A. J. Mc.
1892-9-14
s.n.
Riverside
Millard's Canon [Canyon]
Comment
LA209787
Thelypteris puberula var. sonorensis
Lawrence L. Kiefer;
1967-4-2
3171
Los Angeles
San Gabriel Mountains, N of Altadena, Fern Canyon, tributary of Arroyo Seco, ca 1/4 mi from confluence
426
Comment
RSA762409
Thinopyrum intermedium
Orlando Mistretta, Christine Mistretta
2008-5-9
3013
Los Angeles
Southern California Edison transmission line corridor (Segment 11, structure 63) per TRTP Survey 2008), in the vicinity of Arroyo Seco Canyon.
844
Comment
JEPS54161
Thysanocarpus curvipes
Frank W. Peirson
1919-3-27
388
Los Angeles
hills w Arroyo Seco; San Gabriel Mountains, hills w of Arroyo Seco
426
Comment
RSA747748
Thysanocarpus curvipes
Scott D. White, J. Wood, J. Miner
2009-5-12
12704
Los Angeles
Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road.
549
Comment
JEPS54208
Thysanocarpus laciniatus
Frank W. Peirson
1918-5-19
59
Los Angeles
Millards Canyon; San Gabriel Mts., Millards Canyon
609
Comment
RSA66788
Thysanocarpus laciniatus
F. W. Peirson
1918-5-19
59
Los Angeles
Millard's Canyon, south base of San Gabriel Mts.
Comment
RSA77167
Toxicodendron diversilobum
F. W. Peirson
1919-4-5
325
Los Angeles
Foot of Eaton Canyon, south face of San Gabriel Mts.
Comment
SEINET200095
Toxicodendron diversilobum
Peter B. Young
1959-4-1
27
Los Angeles
Small dry canyon 1/2 mile from road; near large horseshoe turn, 3 miles from Foothill Boulv. On Angeles Crest Highway.
Comment
UCD117071
Toxicodendron diversilobum
Peter B. Young
1959-4-1
27
Los Angeles
1/2 mile from road; near large horseshoe turn, 3 miles from Foothill Boulevard on Angeles Crest Highway.
Comment
RSA657372
Tribulus terrestris
Joseph M. Keefe
2001-1-24
31037
Los Angeles
Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena.
250
Comment
RSA77837
Tribulus terrestris
F. W. Peirson
1918-10-1
5310
Los Angeles
Vacant lot on New York Ave. Altadena.
Comment
RSA802045
Tribulus terrestris
Orlando Mistretta, Kristie Haydu
2011-7-20
5963
Los Angeles
Arroyo Seco Canyon area. Angeles Crest Hwy near junction with Grizzly Flat Road.
902
Comment
CAS-BOT-BC225138
Trichostema lanatum
F. Grinnell Jr.
1910-6-11
s.n.
Los Angeles
Switzers Trai, San Gabriel Mts.
1066
Comment
RSA447099
Trichostema lanatum
Fordyce Grinnell Jr.
1910-06
s.n.
Los Angeles
Switzers Trail. San Gabriel Moutains.
Comment
RSA447150
Trichostema lanatum
Bonnie C. Templeton
1926-3-18
s.n.
Los Angeles
Arroyo Seco.
Comment
GH402436
Trichostema lanceolatum
C. C. Kingman
1910-11-10
Unknown
Altadena
Comment
PASA1134
Trichostema lanceolatum
Loletta Hiebert
Los Angeles
Rubio Canyon
Comment
GH402509
Trichostema parishii
L. C. Wheeler
1973-7-21
Unknown
San Gabriel Mountains: Ridge on divide between Big Tujunga and Devil Canyon 0.2 mile north of windy gap on Angeles Crest Highway. T2N R11W sec. 1
1615
Comment
RSA629739
Trichostema parishii
Louis C. Wheeler
1973-7-21
s.n.
Los Angeles
San Gabriel Mountains: Ridge on divide between Big Tujunga and Devil Canyon 0.2 mile north of windy gap on Angeles Crest Highway.
1616
Comment
UCR113697
Trichostema parishii
L. C. Wheeler
1973-7-21
s.n.
Los Angeles
San Gabriel Mtns., Ridge on divide between Big Tujunga and Devil Canyons 0.2 mi. north of Windy Gap on Angeles Crest Hwy.
1616
Comment
SFV16224
Trifolium hirtum
P. A. Krueger
1994-5-18
46
Los Angeles
San Gabriel Mountains 1.9 miles north on Mount Lowe Truck Trail from Chaney Trail.
950
Comment
UCR111498
Trifolium hirtum
A. C. Sanders, D. Malueg
1998-6-22
22022
Los Angeles
San Gabriel Mtns., Altadena, c. 800 m SSW of Mt. Lowe, N end of Tanoble Dr. at Woodglen Ln., and along trail to the NE
549
Comment
RSA0107699
Trifolium obtusiflorum
R. G. Swinney
2011-10-18
15846
Los Angeles
San Gabriel Mountains: 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2.
1021
Comment
UCR273162
Trifolium obtusiflorum
R. G. Swinney
2011-10-18
15846
Los Angeles
San Gabriel Mountains, 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2
1021
Comment
UCSB7247
Trifolium willdenovii
Wedberg, Lee
1954-4-26
Los Angeles
Devil's Gate Dam, Pasadena
243
Comment
UCR142770
Triodanis biflora
L. C. Wheeler
1967-5-7
9287
Los Angeles
San Gabriel Mtns, vicinity of Coulter Reservoir, Sunset Ridge, south of Millard Canyon, north side of Sunset Ridge, northeast of reservoir
625
Comment
RSA426259
Turricula parryi
N. C. Cooper
1949-6-18
4208
Los Angeles
Angeles Crest Hwy.
1220
Comment
RSA426264
Turricula parryi
Robert Gustafson
1983-7-18
2777
Los Angeles
San Gabriel Mts; Angeles Crest Hwy, at the jct. of the Mt. Wilson turnoff.
1463
Comment
RSA754003
Turricula parryi
Unspecified
680621
Los Angeles
Angeles National Forest: Lady Bug Canyon
1220
Comment
UC73680
Turricula parryi
Geo. B. Grant
Jul 1902
416
Los Angeles
Mt. Lowe
1524
Comment Read comments Dec 4 2015
UCR12250
Turricula parryi
Art Whistler
1966-6-23
s.n.
Los Angeles
San Gabriel Mtns., Hwy 2 en route to Mt. Wilson via Angeles Crest Hwy and Foothill Bvd.
1067
Comment
UCR231792
Turricula parryi
Darren T. Hasegawa
2007-6-1
s.n.
Los Angeles
San Gabriel Mtns., Pasadena, Devils Gate Reservoir, c. 0.5 mi. east of 210 Fwy
320
Comment
CAS-BOT-BC73956
Turritis glabra
Geo. B. Grant
Apr. 14
s.n.
Los Angeles
Arroyo Seco.
Comment
A401564
Ulmus americana
J. L. Huber
1972-4-9
1223
Unknown
Cobb Estate, Altadena
Comment
UCR132320
Ulmus pumila
John F. Green
2003-7-17
s.n.
Los Angeles
San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory
366
Comment
CAS-BOT-BC150818
Umbellularia californica
Wayne Law; Jun Hu
2000-4-30
09
Los Angeles
Transverse Ranges; San Gabriel Mtns.: Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground
823
Comment
CAS-BOT-BC91135
Umbellularia californica
Fordyce Grinnell
1903-12-22
22
Los Angeles
Arroyo Seco Canon [Canyon] - near Pasadena.
Comment
CAS-BOT-BC91136
Umbellularia californica
F. Grinnell Jr.
1908-10-8
s.n.
Los Angeles
San Gabriel Mountains. Switzer Camp.
914
Comment
GH381293
Umbellularia californica
J. F. Collins
1918-4-16
Unknown
Alpine Tavern, Mt. Lowe
Comment
GH381341
Umbellularia californica
G. B. Grant
1336
Unknown
Mt. Lowe
1524
Comment
HSC98316
Umbellularia californica
C. E. Fellows
1965-9-7
143
Los Angeles
3 mi. from intersection of Angeles Crest Hwy. and Angeles Forest Hwy. on Angeles Crest Hwy.
1220
Comment
JEPS40113
Umbellularia californica
Frank W. Peirson
1919-1-25
312
Los Angeles
San Gabriel Mountains, Arroyo Seco Arroyo Seco; San Gabriel Mountains, Arroyo Seco
381
Comment
JEPS40114
Umbellularia californica
C. E. Hutchinson
1892-8-10
Los Angeles
canyon near Atadena
243
Comment
OBI13417
Umbellularia californica
Kathleen Reynolds
1966-2-23
8
Los Angeles
Pasadena, Arroyo Seco Cyn at Arroyo Ave in the foothills of San Gabriel Mts
61
Comment
RSA446346
Umbellularia californica
L. E. Hoffman
1932-3-14
sn
Los Angeles
Millard's Canyon, Angeles National Forest [San Gabriel Mountains].
Comment
RSA446347
Umbellularia californica
L. E. Hoffman
1931-11-5
sn
Los Angeles
Millard s Canyon, Angeles National Forest, San Gabriel Mountains.
Comment
RSA446348
Umbellularia californica
Howard Mullins
1931-3-7
sn
Los Angeles
Arroyo Seco
Comment
RSA660202
Umbellularia californica
Yvonne Rasmussen, Deborah Rasmussen
1984-5-5
43
Los Angeles
4.9 miles past the Pasadena city limits, a pull off on the left side of road as one is going up mountain.
Comment
RSA85525
Umbellularia californica
F. W. Peirson
1919-1-25
312
Los Angeles
Arroyo Seco, near Pasadena
381
Comment
UCR172779
Umbellularia californica
Wayne Law, Jun Hu
2000-4-30
09
Los Angeles
Transverse Ranges; San Gabriel Mtns., Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground.
823
Comment
UCSB2114
Umbellularia californica
Kamb, Peter
1948-1-10
Los Angeles
Upper Sonoran Zone; Millards Canyon; San Gabriel Mts
670
Comment
SBBG70047
Umbellularia californica var. californica
M. N. Ackley
1928-1-29
486
Los Angeles
Oake Wilde
670
Comment
RSA65638
Vaccaria hispanica
F. W. Peirson
1908-1
1864
Los Angeles
1077 New York Ave, Altadena.
Comment
UCR273229
Verbascum thapsus
R. G. Swinney
2011-10-18
15826
Los Angeles
San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy
1037
Comment
UCR114219
Verbascum virgatum
A. C. Sanders, D. Malueg
1998-6-24
22061
Los Angeles
San Gabriel Mtns., CCC Ridge, off Hwy 2 just north of Pasadena city limits, So. Cal. Edison Mesa-Vincent transmission line at tower 16-2
823
Comment
UCR119291
Verbascum virgatum
A. C. Sanders, D. Malueg
1998-6-22
22036
Los Angeles
Foothills of San Gabriel Mtns., Altadena, suburban residential area near edge of national forest, Loma Alta Dr. at Zane Gray Terrace
488
Comment
UCR132322
Verbascum virgatum
John F. Green
2003-7-17
s.n.
Los Angeles
San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory
366
Comment
UCR219547
Verbena bonariensis
Lorraine Weller
2010-9-1
010910- 11
Los Angeles
Altadena Community Garden, corner of Lincoln Ave. & Palm St., Altadena
395
Comment
RSA0105027
Veronica anagallis-aquatica
R. G. Swinney
2011-10-18
15813
Los Angeles
San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy.
1021
Comment
UCR132321
Veronica anagallis-aquatica
John F. Green
2003-7-17
s.n.
Los Angeles
San Gabriel Mtns., Arroyo Seco, Pasadena, c. 1 mile north of Jet Prop. Lab., transect three
427
Comment
UCR136833
Veronica anagallis-aquatica
John F. Green
2003-6-24
s.n.
Los Angeles
Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory
381
Comment
UCR273384
Veronica anagallis-aquatica
R. G. Swinney
2011-10-18
15813
Los Angeles
San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy
1037
Comment
PASA1039
Veronica arvensis
Frank W. Peirson
1919-4-25
Los Angeles
1077 New York Avenue, Altadena
Comment
RSA80069
Veronica arvensis
F. W. Peirson
1919-4-25
1096
Los Angeles
Lawn at 1077 New York Drive, Altadena.
Comment
GH386459
Viburnum ellipticum
L. J. Stengel
4
Unknown
Arroy Seco canon
Comment
RSA0031845
Vicia americana
Geraldine Dodd
1992-5-2
005
Los Angeles
3.5 miles north of corner of Loma Alta Dr. and Lake Ave. in Altadena. Sam Merrill hiking trail. San Gabriel Mts.
1219
Comment
RSA632013
Vinca major
L. C. Wheeler
1973-4-9
s.n.
Los Angeles
San Gabriel Mountains: Millard Canyon, just up stream from national forest boundary.
Comment
SFV17372
Vinca major
J. N. Hogue
1998-4-7
106 .3
Los Angeles
San Gabriel Mountains Arroy Seco at Switzer's Picnic Area.
976
Comment
UCR136847
Vinca major
John F. Green
2003-6-24
s.n.
Los Angeles
Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory
381
Comment
RSA601634
Viola tricolor
Louis C. Wheeler
1967-6-16
9847
Los Angeles
San Gabriel Mountains : Sunset Ridge by Millard Canyon; north side NE of Coulter Reservoir.
640
Comment
UCR100771
Viola tricolor
L. C. Wheeler
1967-6-16
9847
Los Angeles
San Gabriel Mtns, Sunset Ridge by Millard Canyon; north side (NE) of Coultere Reservoir
640
Comment
CAS-BOT-BC203183
Vitis girdiana
R. J. Dobbs
1927-6-16
772
Los Angeles
Near Teddy's by stream, San Gabriel Mts.
289
Comment
RSA390406
Vitis girdiana
Albert J. Perkins
1920-5-29
s.n.
Los Angeles
Arroyo Seco.
Comment
CDA2548
Vulpia myuros var. hirsuta
T. C. Fuller, T. Suzuki
1958-5-9
s.n.
Los Angeles
Millard Canyon, Cheney Trail above Altadena.
0
Comment
CDA2553
Vulpia myuros var. hirsuta
L. C. Wheeler
1973-5-12
s.n.
Los Angeles
San Gabriel Mountains: Gould Mesa Picnic Ground.
Comment
RSA415997
Vulpia myuros var. hirsuta
George R. Johnstone
1925-4-11
s.n.
Los Angeles
Mt. Lowe
Comment
RSA594587
Vulpia myuros var. hirsuta
L. C. Wheeler
1967-5-7
9285
Los Angeles
San Gabriel Mountains. Vicinity of Coulter Reservoir, Sunset Ridge, south of Millard Canyon
625
Comment
RSA86773
Vulpia myuros var. hirsuta
F. W. Peirson
1918-04
1566
Los Angeles
New York Drive, Altadena
Comment
RSA86782
Vulpia myuros var. hirsuta
F. W. Peirson
1922-5-30
4333
Los Angeles
west spur of Mt. Lowe
1371
Comment
RSA624637
Vulpia myuros var. myuros
L. C. Wheeler
1973-5-12
s.n.
Los Angeles
San Gabriel Mountains: Gould Mesa Picnic Ground.
427
Comment
CAS-BOT-BC185858
Vulpia octoflora var. hirtella
Frank W. Peirson
1922-5-30
4333
Los Angeles
West spur of Mt. Lowe, San Gabriel Mts.
1371
Comment
CAS-BOT-BC185859
Vulpia octoflora var. hirtella
F. W. Peirson
1918-5-19
1567
Los Angeles
Millards Canyon, San Gabriel Mts.
Comment
RSA607829
Woodwardia fimbriata
L. C. Wheeler
1947-7-4
6538
Los Angeles
San Gabriel Mountains: El Prieto Canyon, off Millard Canyon
670
Comment
SEINET7253175
Yucca whipplei
T. Reeves
1975-5-18
2696
Los Angeles
San Gabriel Mountains, 1.9 miles NW of road to Mt. Wilson observatory on Hwy 2
Comment
UCR132307
Yucca whipplei
John F. Green
2003-7-17
s.n.
Los Angeles
San Gabriel Mtns., Arroyo Seco, Pasadena, c. 1 mile north of Jet Prop. Lab., transect three
427
Comment
UCR175217
Yucca whipplei
Holly Summers
2006-6-4
50
Los Angeles
San Gabriel Mountains, 1 mile north of Foothill Blvd. on Angeles Crest Highway (Hwy 2), just south of Agua Canyon
610
Comment
RSA308422B
Zauschneria
Henry J. Ramsey, Henry J. Ramsey
1937-9-2
3098
Los Angeles
Ladybug Canyon, Angeles Crest Highway.
Comment
GH400053
Zeltnera venusta
L. C. Wheeler
1967-6-16
9857
Unknown
San Gabriel Mountains: North side of Sunset Ridge under power line, Millard Canyon. T2 N R12 W sec. 33
579
Comment
UCD121489
Zeltnera venusta
Louis C. Wheeler
1967-6-16
9857
Los Angeles
San Gabriel Mountains: North side of Sunset Ridge under power line, Millard Canyon.
579
Comment
GH378496
Ziziphus parryi
J. F. Collins
1918-4-16
Unknown
Mt. Lowe
Comment