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Specimen ID
Determination *
Collector
Collection Date
Collection Number
County
Locality
Elevation in meters
Feedback
CAS-BOT-BC100936
Cirsium fontinale var. fontinale
John Thomas Howell
1932-10-19
10852
San Mateo
Crystal Springs Lake
Comment
CAS-BOT-BC100938
Cirsium fontinale var. fontinale
John Thomas Howell
1932-10-19
10852
San Mateo
Crystal Springs Lake
Comment
CAS-BOT-BC100939
Cirsium fontinale var. fontinale
John Thomas Howell
1939-6-16
14743
San Mateo
Crystal Springs Lake
Comment
CAS-BOT-BC100943
Cirsium fontinale var. fontinale
John Thomas Howell
1939-6-16
14746
San Mateo
Crystal Springs Lake
Comment
CAS-BOT-BC100945
Cirsium fontinale var. fontinale
John Thomas Howell
1939-6-16
14743
San Mateo
Crystal Springs Lake
Comment
CAS-BOT-BC101484
Corethrogyne filaginifolia
John Thomas Howell
1962-6-6
37415
San Mateo
Crystal Springs Lake
Comment
CAS-BOT-BC114452
Cyperus eragrostis
John Thomas Howell
1926-10-9
2216
San Mateo
Near Lake San Andreas
Comment
CAS-BOT-BC115506
Carex tumulicola
John Thomas Howell
1938-5-1
13777
San Mateo
San Bruno Hills.
Comment
CAS-BOT-BC116814
Carex subbracteata var. subbracteata
John Thomas Howell
1938-5-1
13778
San Mateo
Near South San Francisco.
Comment
CAS-BOT-BC116815
Carex subbracteata var. subbracteata
John Thomas Howell
1938-5-1
13776
San Mateo
San Bruno Hills
Comment
CAS-BOT-BC116816
Carex subbracteata var. subbracteata
John Thomas Howell
1938-5-1
13783
San Mateo
Near South San Francisco
Comment
CAS-BOT-BC116817
Carex subbracteata var. subbracteata
John Thomas Howell
1938-5-1
13778
San Mateo
Near South San Francisco
Comment
CAS-BOT-BC116818
Carex subbracteata var. subbracteata
John Thomas Howell
1938-5-1
13779
San Mateo
Near South San Francisco
Comment
CAS-BOT-BC121866
Dirca occidentalis
John Thomas Howell
1945-7-8
30012
San Mateo
0.5 mile below Lake Pilarcitos dam
Comment
CAS-BOT-BC127481
Agrostis capillaris
John Thomas Howell
1975-9-25
51509
San Mateo
San Bruno Mountain.
Comment
CAS-BOT-BC133435
Trillium ovatum
John Thomas Howell
1924-2-23
267
San Mateo
King Mountain
Comment
CAS-BOT-BC134778
Quercus wislizeni
John Thomas Howell
1964-10-8
40961
San Mateo
Portola State Park
Comment
CAS-BOT-BC134779
Quercus wislizeni
John Thomas Howell
1971-4-12
47599
San Mateo
Butano State Park
Comment
CAS-BOT-BC144142
Bromus
John Thomas Howell
1955-4-27
s.n.
San Mateo
0.3 mile north of Dam, Crystal Springs Road, on west side.
Comment
CAS-BOT-BC144642
Ribes sanguineum var. glutinosum
John Thomas Howell
1924-2-23
268
San Mateo
King Mountain
Comment
CAS-BOT-BC145404
Brachypodium distachyon
John Thomas Howell
1971-4-12
s.n.
San Mateo
Butano State Park.
Comment
CAS-BOT-BC145957
Avena fatua
John Thomas Howell
1956-4-25
31293
San Mateo
Skyline Boulevard just north of Crystal Springs Lake dam.
Comment
CAS-BOT-BC145959
Avena fatua
John Thomas Howell
1956-4-25
31293
San Mateo
Skyline Boulevard just north of Crystal Springs Lake Dam.
Comment
CAS-BOT-BC148978
Bromus carinatus var. carinatus
John Thomas Howell
1960-4-20
35210 A
San Mateo
In garden of Frances Payne Stickney, Hillcrest Road, San Mateo.
Comment
CAS-BOT-BC15246
Agoseris hirsuta
John Thomas Howell
1924-10-19
693
San Mateo
Daly City
Comment
CAS-BOT-BC15249
Agoseris hirsuta
John Thomas Howell
1926-4-24
1925
San Mateo
Daly City
Comment
CAS-BOT-BC155841
Bromus catharticus var. elatus
John Thomas Howell
1956-5-23
21446
San Mateo
Menlo Park. El Camino Real at Atherton Avenue.
Comment
CAS-BOT-BC156177
Bromus catharticus
John Thomas Howell
1954-7-8
30010
San Mateo
Skyline Boulevard above San Bruno.
Comment
CAS-BOT-BC156575
Rubus
John Thomas Howell
1938-6-4
13891
San Mateo
Burlingame
Comment
CAS-BOT-BC157097
Rubus ursinus
John Thomas Howell
1938-6-4
13888
San Mateo
Burlingame
Comment
CAS-BOT-BC157098
Rubus ursinus
John Thomas Howell
1938-6-4
13889
San Mateo
Burlingame
Comment
CAS-BOT-BC157099
Rubus ursinus
John Thomas Howell
1938-6-4
13889
San Mateo
Burlingame
Comment
CAS-BOT-BC157109
Rubus ursinus
John Thomas Howell
1938-6-4
13887
San Mateo
Burlingame
Comment
CAS-BOT-BC157110
Rubus ursinus
John Thomas Howell
1938-6-4
13888
San Mateo
Burlingame
Comment
CAS-BOT-BC157111
Rubus ursinus
John Thomas Howell
1938-6-4
13890
San Mateo
Burlingame
Comment
CAS-BOT-BC166141
Epilobium canum subsp. canum
John Thomas Howell
1932-10-19
10853
San Mateo
Skyline Boulevard at summit of hills east of Half Moon Bay
Comment
CAS-BOT-BC177965
Astragalus nuttallii var. virgatus
John Thomas Howell; Alice Eastwood
1938-6-26
6063
San Mateo
Arroyo de los Frijoles
Comment
CAS-BOT-BC18923
Carex densa
John Thomas Howell
1938-5-1
13781
San Mateo
Near South San Francisco.
Comment
CAS-BOT-BC18924
Carex densa
John Thomas Howell
1938-5-1
13786
San Mateo
Near South San Francisco.
Comment
CAS-BOT-BC18938
Carex densa
John Thomas Howell
1938-5-1
13785
San Mateo
Near South San Francisco.
Comment
CAS-BOT-BC19322
Carex barbarae
John Thomas Howell
1938-5-1
13780
San Mateo
Near South San Francisco.
Comment
CAS-BOT-BC196127
Lupinus albifrons var. collinus
John Thomas Howell
1938-5-1
13770
San Mateo
Colma Canyon
Comment
CAS-BOT-BC196433
Lupinus arboreus
John Thomas Howell
1933-4-9
10973
San Mateo
2 miles n. of Pigeon Pt.
Comment
CAS-BOT-BC199348
Vaccinium ovatum
John Thomas Howell
1924-2-23
258
San Mateo
King Mountain
Comment
CAS-BOT-BC204084
Malacothamnus hallii
John Thomas Howell
1935-4-11
12579
San Mateo
West end of Hayward - San Mateo Bridge
Comment
CAS-BOT-BC207024
Pelargonium vitifolium
John Thomas Howell
1932-12-21
10864
San Mateo
Along road just south of Pescadero.
Comment
CAS-BOT-BC207031
Pelargonium vitifolium
John Thomas Howell
1932-12-21
10864
San Mateo
Near Pescadero.
Comment
CAS-BOT-BC21810
Carex harfordii
John Thomas Howell
1938-5-1
13782
San Mateo
Near South San Francisco.
Comment
CAS-BOT-BC219475
Nemophila parviflora
John Thomas Howell
1971-4-12
47600
San Mateo
Butano State Park, Santa Cruz Mts.
Comment
CAS-BOT-BC219490
Nemophila parviflora
John Thomas Howell
1940-5-23
15517
San Mateo
Stone Dam near Lake Pilarcitos
Comment
CAS-BOT-BC228133
Plagiobothrys chorisianus
John Thomas Howell
1938-5-1
13784
San Mateo
Near South San Francisco
Comment
CAS-BOT-BC23514
Arctostaphylos crustacea
John Thomas Howell
1931-1-18
5725
San Mateo
King Mt.
Comment
CAS-BOT-BC23515
Arctostaphylos crustacea
John Thomas Howell
1924-2-23
261
San Mateo
King Mt.
Comment
CAS-BOT-BC23516
Arctostaphylos crustacea
John Thomas Howell
1924-2-23
259
San Mateo
King Mt.
Comment
CAS-BOT-BC236630
Spartina foliosa
John Thomas Howell
1956-11-22
31962
San Mateo
Near Main St. and Bayshore Highway, Redwood City
Comment
CAS-BOT-BC238559
Triphysaria floribunda
John Thomas Howell
1933-5-26
11346
San Mateo
Crystal Springs Lake
Comment
CAS-BOT-BC243556
Setaria parviflora
John Thomas Howell
1957-7-8
32805
San Mateo
Holy Cross Cemetery
Comment
CAS-BOT-BC243839
Castilleja latifolia
John Thomas Howell
1933-4-9
10964
San Mateo
Granada
Comment
CAS-BOT-BC243840
Castilleja latifolia
John Thomas Howell
1933-4-9
10966
San Mateo
Hills south of Pescadero
Comment
CAS-BOT-BC243841
Castilleja latifolia
John Thomas Howell
1933-4-9
10969
San Mateo
Coastal hillside between Pescadero and Pigeon Pt.
Comment
CAS-BOT-BC250646
Phalaris minor
John Thomas Howell
1937-7-5
13099
San Mateo
Redwood City along Bayshore Highway
Comment
CAS-BOT-BC258931
Phalaris aquatica
John Thomas Howell
1954-7-8
30009
San Mateo
Skyline Blvd. above San Bruno
Comment
CAS-BOT-BC259000
Phalaris californica
John Thomas Howell
1938-6-4
13885
San Mateo
Burlingame
Comment
CAS-BOT-BC260023
Nassella lepida
John Thomas Howell
1952-5-28
28316
San Mateo
Crystal Springs Lake
Comment
CAS-BOT-BC274264
Rostraria cristata
John Thomas Howell
1973-4-28
49145
San Mateo
Burlingame
Comment
CAS-BOT-BC283130
Schedonorus arundinaceus
John Thomas Howell
1955-5-25
30254
San Mateo
Skyline Blvd. causeway, Crystal Springs Lake
Comment
CAS-BOT-BC283131
Schedonorus arundinaceus
John Thomas Howell
1955-5-25
30354
San Mateo
Skyline Blvd. causeway, Crystal Springs Lake
Comment
CAS-BOT-BC285044
Hordeum depressum
John Thomas Howell
1953-5-20
28969
San Mateo
Redwood City
Comment
CAS-BOT-BC285045
Hordeum depressum
John Thomas Howell
No date on label
28969
San Mateo
Redwood City
Comment
CAS-BOT-BC288687
Cirsium quercetorum
John Thomas Howell
1939-6-16
14746
San Mateo
Crystal Springs Lake
Comment
CAS-BOT-BC301269
Eriophyllum lanatum var. arachnoideum
John Thomas Howell
1929-8-11
4374
San Mateo
King [Kings] Mt.
Comment
CAS-BOT-BC303467
Gamochaeta ustulata
John Thomas Howell
1926-4-24
1921
San Mateo
Daly City
Comment
CAS-BOT-BC304512
Grindelia hirsutula
John Thomas Howell
1964-12-6
41032
San Mateo
Vacant lot near Southern Pacific R. R. station, Millbrae
Comment
CAS-BOT-BC304513
Grindelia hirsutula
John Thomas Howell
1964-12-6
41032
San Mateo
Vacant lot near S. P. R. R. station, Millbrae
Comment
CAS-BOT-BC304521
Grindelia hirsutula
J. T. Howell
No date on label
s.n.
San Mateo
Pigeon Pt.
Comment
CAS-BOT-BC304531
Grindelia hirsutula
J. T. Howell
1932-10-21
s.n.
San Mateo
Pigeon Point
Comment
CAS-BOT-BC304534
Grindelia hirsutula
John Thomas Howell
1924-10-26
724
San Mateo
Moss Beach
Comment
CAS-BOT-BC304538
Grindelia hirsutula
John Thomas Howell
1933-5-26
11348
San Mateo
Crystal Springs Lake
Comment
CAS-BOT-BC304557
Grindelia hirsutula
J. T. Howell
1933-12-5
11731
San Mateo
Crystal Springs Lake
Comment
CAS-BOT-BC309545
Helenium puberulum
John Thomas Howell
1939-6-16
14744
San Mateo
Crystal Springs Lake
Comment
CAS-BOT-BC323182
Layia chrysanthemoides
John Thomas Howell
1933-5-26
11343
San Mateo
Crystal Springs Lake
Comment
CAS-BOT-BC324054
Lessingia arachnoidea
John Thomas Howell
1927-5-10
2388
San Mateo
Crystal Springs Lake
213
Comment
CAS-BOT-BC324055
Lessingia arachnoidea
John Thomas Howell
1927-4-15
2325
San Mateo
Crystal Springs Lake
213
Comment
CAS-BOT-BC324057
Lessingia arachnoidea
John Thomas Howell
1927-9-10
3099
San Mateo
Crystal Springs Lake
213
Comment
CAS-BOT-BC324062
Lessingia arachnoidea
John Thomas Howell
1926-10-9
2220
San Mateo
Between Lake San Andreas and Crystal Springs Lake
91
Comment
CAS-BOT-BC324063
Lessingia arachnoidea
John Thomas Howell
1926-10-9
2220 A
San Mateo
Near Crystal Springs Lake
91
Comment
CAS-BOT-BC330251
Petasites frigidus var. palmatus
John Thomas Howell
1924-2-23
269
San Mateo
King Mountain
Comment
CAS-BOT-BC339065
Lasthenia californica
John Thomas Howell
1933-5-26
11347
San Mateo
Crystal Springs Lake
Comment
CAS-BOT-BC339066
Lasthenia californica
John Thomas Howell
1933-5-3
11204
San Mateo
San Bruno Hills
Comment
CAS-BOT-BC339067
Lasthenia californica
John Thomas Howell
1926-4-24
1923
San Mateo
Daly City
Comment
CAS-BOT-BC339071
Lasthenia californica
John Thomas Howell
1933-5-3
11204
San Mateo
San Bruno Hills
Comment
CAS-BOT-BC34073
Carex brevicaulis
John Thomas Howell
1938-5-1
13774
San Mateo
San Bruno Hills.
Comment
CAS-BOT-BC341635
Lagophylla ramosissima
John Thomas Howell
1926-10-9
2215
San Mateo
Lake San Andreas
Comment
CAS-BOT-BC357119
Pseudognaphalium luteoalbum
John Thomas Howell
1935-1-13
12578
San Mateo
Lake San Andreas
Comment
CAS-BOT-BC357120
Pseudognaphalium luteoalbum
John Thomas Howell
1935-1-13
12578
San Mateo
Lake San Andreas
Comment
CAS-BOT-BC375210
Stephanomeria elata
John Thomas Howell
1939-10-8
15369
San Mateo
Pt. San Pedro
Comment
CAS-BOT-BC382224
Layia platyglossa
John Thomas Howell
1926-4-24
1924
San Mateo
Daly City
Comment
CAS-BOT-BC451124
Acaena pinnatifida var. californica
John Thomas Howell
1926-4-24
1915
San Mateo
Daly City
Comment
CAS-BOT-BC62895
Quercus lobata
John Thomas Howell
1926-10-23
2229
San Mateo
Sand Hill Road west of Stanford University
Comment
CAS-BOT-BC66142
Athyrium filix-femina var. cyclosorum
John Thomas Howell
1926-10-9
2218
San Mateo
Near Lake San Andreas
Comment
CAS-BOT-BC73689
Ulmus parvifolia
John Thomas Howell
1966-7-24
41997
San Mateo
Burlingame - in flower beds near planed trees, Trousdale Ave. just west of El Camino Real.
Comment
CAS-BOT-BC80791
Cupressus macrocarpa
John Thomas Howell
1957-5-8
32236
San Mateo
Skyline Blvd. w. of San Bruno.
Comment
CAS-BOT-BC85954
Quercus douglasii
John Thomas Howell
1926-10-23
2230
San Mateo
Sand Hill Road W of Stanford University
Comment
CAS-BOT-BC98700
Baccharis douglasii
John Thomas Howell
1926-10-9
2217
San Mateo
Near Lake San Andreas
Comment
CDA1702
Agrostis capillaris
J. T. Howell
1975-9-25
51509
San Mateo
San Bruno Mountain
0
Comment
JEPS20591
Lessingia arachnoidea
John Thomas Howell
1926-10-9
2220 A
San Mateo
near Crystal Springs Lake
91
Comment
JEPS40339
Madia elegans
John Thomas Howell
1926-10-9
2221
San Mateo
between Crystal Springs Lake and San Mateo
Comment
JEPS88622
Cynara cardunculus subsp. cardunculus
John Thomas Howell
1956-11-14
31961
San Mateo
Bayshore Highway just south of Main Street, Redwood City
Comment
LA208241
Rubus ursinus
John Thomas Howell;
1938-6-4
13888
San Mateo
San Francisco Bay, Burlingame
Comment
POM197769
Lessingia arachnoidea
John T. Howell
1926-10-9
2220 a
San Mateo
Near Crystal Springs Lake
Comment
POM197775
Lessingia arachnoidea
John T. Howell
1926-10-9
2220
San Mateo
Between Lake San Andreas and Crystal Springs Lake
Comment
POM203263
Grindelia hirsutula
J. T. Howell
1933-5-26
11348
San Mateo
Crystal Springs Lake.
Comment
POM203640
Sidalcea malviflora subsp. malviflora
J. T. Howell
1933-4-9
10975
San Mateo
2 miles N. of Pigeon Pt.
Comment
POM203868
Pelargonium vitifolium
J. T. Howell
1932-12-21
10864
San Mateo
Near Pescadero.
Comment
POM204462
Orthocarpus floribundus
J. T. Howell
1933-5-26
11346
San Mateo
Crystal Springs Lake.
Comment
POM224080
Gnaphalium luteoalbum
J. T. Howell
1935-1-13
12578
San Mateo
Lake San Andreas.
Comment
POM261287
Cirsium fontinale var. fontinale
J. T. Howell
1939-6-16
14746
San Mateo
Crystal Springs Lake
Comment
RSA118050
Phalaris aquatica
J. T. Howell
1954-7-8
30009
San Mateo
Skyline Blvd. above (west of) San Bruno
Comment
RSA120971
Bromus catharticus
J. T. Howell
1956-5-23
31446
San Mateo
Roadside, El Camino Real at Atherton Ave., Menlo Park.
Comment
RSA121019
Spartina foliosa
J. T. Howell
1956-11-22
31962
San Mateo
Redwood City
Comment
RSA128469
Nassella lepida
J. T. Howell
1952-5-28
28316
San Mateo
Crystal Springs Lake.
Comment
RSA128701
Cupressus macrocarpa
J. T. Howell
1957-5-8
s.n.
San Mateo
Skyline Blvd. west of San Bruno
Comment
RSA128948
Stephanomeria virgata subsp. virgata
J. T. Howell
1939-10-8
15369
San Mateo
Pt San Pedro.
Comment
RSA14939
Malacothamnus arcuatus
J. T. Howell
1935-4-11
12579
San Mateo
West end of Hayward-San Mateo Bridge
Comment
RSA195672
Brassica oleracea
J. T. Howell
1966-5-28
11644
San Mateo
In central part of Menlo Park near Post Office.
Comment Read comments Jul 14 2014
RSA201473
Grindelia camporum
J. T. Howell
1964-12-6
41032
San Mateo
Near Southern Pacific RR station, Millbrae.
Comment
RSA22000
Lupinus albifrons var. collinus
J. T. Howell
1938-5-1
13770
San Mateo
Colma Canyon
Comment
RSA22129
Phalaris minor
J. T. Howell
1937-7-5
13099
San Mateo
Redwood City, along Bayshore Highway
Comment
RSA82516
Verbena robusta
J. T. Howell
1939-6-16
14745
San Mateo
Crystal Springs Lake.
Comment
RSA8533
Layia chrysanthemoides
J. T. Howell
1933-5-26
11343
San Mateo
Crystal Springs Lake.
Comment
SBBG29942
Carex subbracteata
J. T. Howell
1938-5-1
13783
San Mateo
near South San Francisco
Comment
SBBG29952
Carex harfordii
J. T. Howell
1938-5-1
13781
San Mateo
near South San Francisco
Comment
SBBG30068
Vicia benghalensis
J. T. Howell
1938-6-4
13886
San Mateo
Burlingame
Comment
SBBG41440
Quercus parvula var. shrevei
J. T. Howell
1971-4-12
San Mateo
Butano St Park, Santa Cruz Mtns
Comment
SBBG41706
Nemophila parviflora
J. T. Howell
1971-4-12
San Mateo
Butano St Park, Santa Cruz Mtns
Comment
SBBG45074
Pseudognaphalium luteoalbum
F. T. Howell
1935-1-13
12578
San Mateo
Lake San Andreas
Comment
SD71279
Ulmus parvifolia
John Thomas Howell
1966-7-24
41997
San Mateo
Trousedale Ave. just west of El Camino Real, Burlingame
Comment
SEINET3243948
Setaria parviflora
John Thomas Howell
1957-1
32805
San Mateo
Holy Cross Cemetary, San Mateo Co.
Comment
UC1042323
Dirca occidentalis
John Thomas Howell
1954-7-8
30012
San Mateo
canyon 0.5 mi below Lake Pilarcitos Dam
Comment Read comments Feb 2 2012
UC1177277
Stephanomeria elata
John Thomas Howell
1939-10-8
15369
San Mateo
Point San Pedro
Comment Read comments Jun 6 2008
UC1598121
Cynara cardunculus subsp. cardunculus
John Thomas Howell
1956-11-14
31961
San Mateo
just s Main Street (Bayshore Highway); Redwood City
Comment
UC1598488
Centromadia pungens subsp. pungens
John Thomas Howell
1956-9-19
31877
San Mateo
2.3 mi s of Lake Merced; Skyline Blvd.
Comment
UC517467
Lasthenia californica subsp. californica
John Thomas Howell
1933-5-3
11204
San Mateo
San Bruno Hills
Comment
UC517485
Sidalcea malviflora subsp. malviflora
John Thomas Howell
1933-4-9
10974
San Mateo
2 mi n Pigeon Pt.; n of Pigeon Pt.
Comment
UC517491
Linanthus liniflorus
John Thomas Howell
1933-5-26
11344
San Mateo
Crystal Springs Lake
Comment
UC517566
Cyperus eragrostis
John Thomas Howell
1926-10-9
2216
San Mateo
near Lake San Andreas
Comment
UC577203
Pseudognaphalium luteoalbum
John Thomas Howell
1935-1-13
12578
San Mateo
Lake San Andreas
Comment
UC618444
Carex subbracteata
John Thomas Howell
1938-5-1
13783
San Mateo
near South San Francisco
Comment
UC618588
Vicia benghalensis
John Thomas Howell
1938-6-4
13886
San Mateo
Burlingame
Comment
UC688910
Athyrium filix-femina var. cyclosorum
John Thomas Howell
1926-10-9
2218
San Mateo
near Lake San Andreas
Comment
UC820505
Phalaris minor
John Thomas Howell
1937-7-5
13099
San Mateo
along Bayshore Highway Redwood City
Comment
UC823332
Carex densa
John Thomas Howell
1938-5-1
13786
San Mateo
near South San Francisco
Comment
UC828938
Layia hieracioides
John Thomas Howell
1938-5-1
13769
San Mateo
Colma Canyon
Comment
UC836144
Carex subbracteata
John Thomas Howell
1938-5-1
13778
San Mateo
near South San Francisco
Comment
UC874076
Camissoniopsis micrantha
John Thomas Howell
1938-5-1
13773
San Mateo
Colma Canyon
Comment
UC881192
Phacelia malvifolia
John Thomas Howell
1938-5-1
13768
San Mateo
Colma Canyon
Comment
UC894974
Cirsium fontinale var. fontinale
John Thomas Howell
1939-6-16
14743
San Mateo
Crystal Springs Lake Crystal Springs Lake (along brooklet)
Comment
UC897085
Grindelia hirsutula
J. T. Howell
1932-10-21
San Mateo
Pigeon Point
Comment
UC905072
Leucanthemum vulgare
John Thomas Howell
1949-7-4
24356
San Mateo
n of Millbrae; Skyline Blvd.
Comment
UC909960
Phacelia californica
John Thomas Howell
1938-5-1
13771
San Mateo
Colma Canyon
Comment
UCD132477
Grindelia camporum
John Thomas Howell
1964-12-6
41032
San Mateo
Vacant lot near Southern Pacific Railroad station, Millbrae.
Comment
UCD51853
Agrostis capillaris var. aristata
John Thomas Howell
1975-9-25
51509
San Mateo
San Bruno Mountain.
Comment
UCD58325
Bromus catharticus
John Thomas Howell
1956-5-23
31446
San Mateo
El Camino Real at Atherton Ave. Menlo Park.
Comment
UCD92298
Rostraria cristata
John Thomas Howell
1973-4-28
49145
San Mateo
Burlingame.
Comment
UCD92597
Setaria parviflora
John Thomas Howell
1957-7-8
32805
San Mateo
Holy Cross Cemetary.
Comment
CAS-BOT-BC113985
Cyperus owanii
John Thomas Howell
1966-9-4
s.n.
San Mateo
In garden of Edgar Kahn, 650 Edgewood Rd, Redwood City.
Comment
CAS-BOT-BC12953
Lepidium strictum
John Thomas Howell
1955-5-5
s.n.
San Mateo
700 block of Bromfield Road, Burlingame.
Comment
CAS-BOT-BC146213
Avena brevis
John Thomas Howell
1954-6-16
30003
San Mateo
Belmont. Ralston Avenue at 6th.
Comment
CAS-BOT-BC146214
Avena brevis
John Thomas Howell
1954-6-16
30003
San Mateo
Belmont. Raslton Avenue at 6th.
Comment
CAS-BOT-BC211609
Frankenia salina
John Thomas Howell
1924-9-28
659
San Mateo
Leslie Salt Refinery
Comment
CAS-BOT-BC272319
Lachnagrostis filiformis
John Thomas Howell
1954-6-1
s.n.
San Mateo
Pulgas Water Temple, near southern end of Lower Crystal Springs Reservoir
Comment
CAS-BOT-BC279321
Centromadia pungens subsp. pungens
John Thomas Howell
1956-9-19
31877
San Mateo
2.3 miles s. of Lake Merced on Skyline Blvd.
Comment
CAS-BOT-BC280135
Cirsium occidentale var. venustum
John Thomas Howell
1939-6-16
14747
San Mateo
Kings Mt.
Comment
CAS-BOT-BC280136
Cirsium occidentale var. venustum
John Thomas Howell
1939-6-16
14747
San Mateo
Kings Mt.
Comment
CAS-BOT-BC280502
Cirsium quercetorum
John Thomas Howell
1939-6-16
14739
San Mateo
Skyline Boulevard 4 miles w. of Burlingame
Comment
CAS-BOT-BC280517
Cirsium quercetorum
John Thomas Howell
1939-6-16
14740
San Mateo
Near San Andreas Lake
Comment
CAS-BOT-BC280518
Cirsium quercetorum
John Thomas Howell
1939-6-16
14740
San Mateo
Near San Andreas Lake
Comment
CAS-BOT-BC281836
Carduus tenuiflorus
John Thomas Howell
1939-6-16
14741
San Mateo
Skyline Blvd near Crystal Springs Lake
Comment
CAS-BOT-BC287335
Cynara cardunculus
John Thomas Howell
1956-11-14
31961
San Mateo
Bayshore Highway just S of Main St, Redwood City
Comment
CAS-BOT-BC287336
Cynara cardunculus
John Thomas Howell
1956-11-14
31961
San Mateo
Bayshore Highway just S of Main St, Redwood City
Comment
CAS-BOT-BC287337
Cynara cardunculus
John Thomas Howell
1956-11-14
31961
San Mateo
Bayshore Highway just S of Main St, Redwood City
Comment
CAS-BOT-BC287338
Cynara cardunculus
John Thomas Howell
1956-11-14
31961
San Mateo
Bayshore Highway just S of Main St, Redwood City
Comment
CAS-BOT-BC287339
Cynara cardunculus
John Thomas Howell
1956-11-14
31961
San Mateo
Bayshore Highway just S of Main St, Redwood City
Comment
CAS-BOT-BC287340
Cynara cardunculus
John Thomas Howell
1956-11-14
31961
San Mateo
Bayshore Highway just S of Main St, Redwood City
Comment
CAS-BOT-BC287341
Cynara cardunculus
John Thomas Howell
1956-11-14
31961
San Mateo
Bayshore Highway just S of Main St, Redwood City
Comment
CAS-BOT-BC287342
Cynara cardunculus
John Thomas Howell
1956-11-14
31961
San Mateo
Bayshore Highway just S of Main St, Redwood City
Comment
CAS-BOT-BC288966
Conyza floribunda
John Thomas Howell
1975-9-25
51508
San Mateo
At summit, San Bruno Mt
396
Comment
CAS-BOT-BC290923
Crepis vesicaria
John Thomas Howell
1956-5-1
31316
San Mateo
Just s. of Woodside on road to Searsville
Comment
CAS-BOT-BC290924
Crepis vesicaria
John Thomas Howell
1956-5-1
31316
San Mateo
Just s. of Woodside on road to Searsville
Comment
CAS-BOT-BC290925
Crepis vesicaria
John Thomas Howell
1975-4-18
s.n.
San Mateo
From the home of Mrs. Hewlett Lee, Berenda Farm, Portola Valley
Comment
CAS-BOT-BC291477
Cotula coronopifolia
John Thomas Howell
1924-9-28
660
San Mateo
Leslie Salt Rifinery, San Mateo
Comment
CAS-BOT-BC300246
Erigeron reductus var. angustatus
John Thomas Howell
1930-11-9
s.n.
San Mateo
Crystal Springs Lake
Comment
CAS-BOT-BC311399
Hypochaeris glabra
John Thomas Howell
1926-4-24
1926
San Mateo
Daly City
Comment
CAS-BOT-BC311787
Lepidium latifolium
John Thomas Howell
1978-7-18
53189
San Mateo
At Airport Sheraton, Airport Blvd., Burlingame
Comment
CAS-BOT-BC314908
Hemizonia congesta subsp. luzulifolia
John Thomas Howell
1929-9-29
4421
San Mateo
Searsville Lake
Comment
CAS-BOT-BC327464
Layia hieracioides
John Thomas Howell
1944-6-11
19594
San Mateo
1.5 miles N of Felton
Comment
CAS-BOT-BC327501
Layia hieracioides
John Thomas Howell
1938-5-1
13769
San Mateo
Colma Canyon [written on sheet in other hand: San Bruno Hills, acc. J.T.H. notebook]
Comment
CAS-BOT-BC340468
Lactuca saligna
John Thomas Howell
1930-11-9
5711
San Mateo
On the Skyline Boulevard in the hills above Millbrae
Comment
CAS-BOT-BC340702
Lactuca virosa
John Thomas Howell
1954-9-8
30108
San Mateo
Skyline Blvd. at San Andreas Lake, 2 miles west of San Bruno
Comment
CAS-BOT-BC340703
Lactuca virosa
John Thomas Howell
1954-9-8
30108
San Mateo
Skyline Blvd. at San Andreas Lake, 2 miles west of San Bruno
Comment
CAS-BOT-BC34072
Carex brevicaulis
John Thomas Howell
1965-3-29
41035
San Mateo
West end of summit ridge of San Bruno Mountain.
396
Comment
CAS-BOT-BC342094
Leucanthemum vulgare
John Thomas Howell
1949-7-4
25356
San Mateo
On Skyline Blvd. north of Millbrae
Comment
CAS-BOT-BC342095
Leucanthemum vulgare
John Thomas Howell
1949-7-4
25356
San Mateo
On Skyline Blvd., north of Millbrae
Comment
CAS-BOT-BC343918
Madia elegans
John Thomas Howell
1926-10-9
2221
San Mateo
Between Crystal Spring Lakes and San Mateo
Comment
CAS-BOT-BC364629
Senecio vulgaris
John Thomas Howell
1926-4-24
1927
San Mateo
Daly City
Comment
CAS-BOT-BC382225
Layia platyglossa
John Thomas Howell
1974-4-11
17130
San Mateo
Serpentine area to the SE of Canada Road and Edgewood Road; NW of Woodside
152
Comment
CAS-BOT-BC390700
Spergularia rubra
John Thomas Howell
1955-5-5
s.n.
San Mateo
700 block of Bromfield Road, Burlingame
Comment
CAS-BOT-BC390916
Spergularia marina
John Thomas Howell
1924-9-28
666
San Mateo
At the Leslie Salt Refinery
Comment
CAS-BOT-BC390919
Spergularia marina
John Thomas Howell
1924-9-28
662
San Mateo
At the Leslie Salt Refinery
Comment
CAS-BOT-BC413757
Polygonum argyrocoleon
John Thomas Howell
1953-6-3
29057
San Mateo
Bayshore Highway, Redwood City
Comment
CAS-BOT-BC413914
Polygonum aviculare
John Thomas Howell
1924-9-28
664
San Mateo
At the Leslie Salt Refinery
Comment
CAS-BOT-BC445394
Alisma plantago-aquatica
John Thomas Howell
1926-10-9
2219
San Mateo
Near Lake San Andreas
Comment
CAS-BOT-BC456126
Zannichellia palustris
John Thomas Howell
1954-7-8
30011
San Mateo
Lake at Old Stone Dam below Lake Pilarcitos
Comment
CAS-BOT-BC519011
Scoliopus bigelovii
John Thomas Howell
1924-2-23
265
San Mateo
King Mountain
Comment
CAS-BOT-BC89706
Lepidium latifolium
John Thomas Howell
1978-7-18
53189
San Mateo
At Airport Sheraton, Airport Boulevard, Burlingame.
Comment
CAS-BOT-BC89707
Lepidium latifolium
John Thomas Howell
1978-7-18
53189
San Mateo
At Airport Sheraton, Airport Boulevard, Burlingame.
Comment
CDA3808
Lepidium latifolium
J. T. Howell
1978-7-18
53189
San Mateo
Airport Sheraton, Airport Boulevard., Burlingame
0
Comment
CDA4771
Chamaesyce serpens
J. T. Howell
1979-8-11
53359
San Mateo
Airport Sheraton, Airport Boulevard, Burlingame.
0
Comment
CDA5329
Cyclospermum leptophyllum
J. T. Howell
1975-9-13
51507
San Mateo
Hillside Street just west of El Camino, Burlingame.
0
Comment
CDA6674
Galium divaricatum
J. T. Howell
1978-7-18
53188
San Mateo
McClellan residence, 1356 Bernal Avenue, Burlingame.
0
Comment
CDA7456
Conyza sumatrensis
J. T. Howell
1975-9-25
51508
San Mateo
San Bruno Mountain.
Comment
POM230443
Carex densa
J. T. Howell, Alice Eastwood
1937-5-7
4328
San Mateo
Visatacion Valley
Comment
POM248613
Carex harfordii
J. T. Howell
1938-5-1
13781
San Mateo
Near South San Francisco.
Comment
POM248720
Vicia benghalensis
J. T. Howell
1938-6-4
13886
San Mateo
Burlingame
Comment
POM248731
Castilleja wightii
J. T. Howell
1938-5-1
13767
San Mateo
Colma Canyon.
Comment
RSA0008390
Cirsium fontinale var. fontinale
J. T. Howell
1939-6-16
14743
San Mateo
Crystal Springs Lake.
Comment
RSA0008392
Cirsium fontinale var. fontinale
John Thomas Howell
1939-6-16
14743
San Mateo
Crystal Springs Lake.
Comment
RSA120949
Cynara scolymus
J. T. Howell
1956-11-14
31961
San Mateo
Bayshore Highway just south of Main Street, Redwood City.
Comment
RSA121069A
Amaranthus deflexus
J. T. Howell
1956-6-20
31631
San Mateo
Along El Camino Real, San Carlos
Comment
RSA21847
Phacelia malvifolia
J. T. Howell
1938-5-1
13768
San Mateo
Colma Canyon.
Comment
RSA21997
Castilleja wightii
J. T. Howell
1938-5-1
13767
San Mateo
Colma Canyon.
Comment
RSA21998
Camissonia micrantha
J. T. Howell
1938-5-1
13773
San Mateo
Colma Canyon.
Comment
RSA21999
Layia hieracioides
J. T. Howell
1938-5-1
13769
San Mateo
Colma Canyon
Comment
RSA22216
Amaranthus powellii
J. T. Howell
1938-5-1
13772
San Mateo
Colma Canyon
Comment
RSA22241
Carduus tenuiflorus
J. T. Howell
1939-6-16
14741
San Mateo
Skyline Blvd. near Crystal Springs Lake
Comment
RSA285070
Lepidium latifolium
J. T. Howell
1978-7-18
53189
San Mateo
Airport Sheraton, Airport Blvd., Burlingame.
Comment
RSA299223
Chamaesyce serpens
J. T. Howell
1979-8-11
53359
San Mateo
Airport Sheraton, Airport Blvd., Burlingame.
Comment
RSA304146
Carex densa
J. T. Howell
1938-5-1
13785
San Mateo
Near South San Francisco.
Comment
RSA54048
Chrysanthemum leucanthemum
J. T. Howell
1949-7-4
25356
San Mateo
Skyline Blvd., north of Millbrae
Comment
RSA7439
Sidalcea malviflora subsp. malviflora
J. T. Howell
1933-4-9
10974
San Mateo
2 miles N. of Pigeon Pt.
Comment
RSA8532
Marah fabacea
J. T. Howell
1933-4-9
10970
San Mateo
Between Pescadero and Pigeon Pt.
Comment
RSA88326
Polygonum patulum
J. T. Howell
1953-6-3
29057
San Mateo
Bayshore Hwy, Redwood City.
Comment
RSA88836
Carex subbracteata
J. T. Howell
1938-5-1
13783
San Mateo
Near South San Francisco.
Comment
RSA91590
Carex densa
J. T. Howell
1938-5-1
13786
San Mateo
Near South San Francisco.
Comment
RSA91707
Gnaphalium luteoalbum
J. T. Howell
1935-1-13
12578
San Mateo
Lake San Andreas.
Comment
RSA92255
Layia chrysanthemoides
J. T. Howell
1933-5-26
11343
San Mateo
Crystal Springs Lake.
Comment
SBBG39550
Carex brevicaulis
J. T. Howell
1965-3-29
41035
San Mateo
W end of summit ridge of San Bruno Mtn
396
Comment
SD71025
Grindelia stricta var. angustifolia
John Thomas Howell
1964-12-6
41032
San Mateo
Millbrae, vacant lot near Southern Pacific Railway Station
Comment
SEINET10750023
Carex subbracteata
John Thomas Howell
1938-5-1
Howell 13783
San Mateo
Near South San Francisco.
Comment
SEINET11080240
Apium leptophyllum
J. T. Howell
1975-9-13
51507
San Mateo
Burlington, Hillside Street just W of El Camino.
Comment
SEINET13954082
Quercus wislizeni
John Thomas Howell
1964-1
40961
San Mateo
Portola State Park
Comment
SEINET3121782
Phacelia californica
John Thomas Howell
1929-8-11
4373
San Mateo
King Mountain
Comment
SEINET5506166
Cirsium fontinale var. fontinale
John Thomas Howell
San Mateo
Comment
SEINET6192755
Carex subbracteata
J. T. Howell
1938-5-1
13782
San Mateo
near South San Francisco
Comment
SEINET7556706
Carex densa
John Thomas Howell
1938-5-1
13786
San Mateo
Near south San Francisco.
Comment
SEINET7577065
Carex subbracteata
John Thomas Howell
1938-5-1
13778
San Mateo
Near South San Francisco.
Comment
UC517461
Marah fabacea
John Thomas Howell
1933-4-9
10970
San Mateo
between Pescadero and Pigeon Pt.
Comment
UCD100554
Polygonum patulum
John Thomas Howell
1953-6-3
29057
San Mateo
Bayshore Highway, Redwood City.
Comment
UCD111197
Trifolium hirtum
John Thomas Howell
1966-5-8
41530
San Mateo
At junction of Millbrae Ave. and Bayshore Freeway, Millbrae.
Comment
UCD115700
Lepidium latifolium
John Thomas Howell
1978-7-18
53189
San Mateo
Airport Sheraton, Airport Blvd., Burlingame.
Comment
UCD115701
Lepidium latifolium
John Thomas Howell
1978-7-18
53189
San Mateo
Airport Sheraton, Airport Blvd., Burlingame.
Comment
UCD116691
Malva pseudolavatera
John Thomas Howell
1968-5-26
44502
San Mateo
Burlingame.
Comment
UCD121881
Galium parisiense
John Thomas Howell
1978-7-18
53188
San Mateo
McClellan residence, 1356 Bernal Ave., Burlingame.
Comment
UCD127346
Cyclospermum leptophyllum
John Thomas Howell
1975-9-13
51507
San Mateo
Hillside Street just west of El Camino, Burlingame.
Comment
UCD131896
Erigeron floribundus
John Thomas Howell
1975-9-25
51508
San Mateo
San Bruno Mountain.
396
Comment
UCD133509
Lactuca virosa
John Thomas Howell
1954-9-8
30108
San Mateo
Skyline Blvd. at San Andreas Lake, 2 miles west of San Bruno.
Comment
UCD140265
Carex densa
John Thomas Howell
1938-5-1
13785
San Mateo
near South San Francisco.
Comment
UCD143808
Avena brevis
John Thomas Howell
1954-6-16
30003
San Mateo
Ralston Ave. at 6th, Belmont.
Comment
UCD97767
Amaranthus retroflexus
John Thomas Howell
1978-7-18
53187
San Mateo
McClellan residence, 1356 Bernal Ave., Burlingame.
Comment