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Specimen ID
Determination *
Collector
Collection Date
Collection Number
County
Locality
Elevation in meters
Feedback
CAS-BOT-BC101814
Myrica hartwegii
Herbert L. Mason
1936-7-11
11208
Mariposa
Big Creek, a tributary of the South Fork of the Merced River, near Wawona
1402
Comment
CAS-BOT-BC101819
Myrica hartwegii
Herbert L. Mason
1936-7-11
11209
Mariposa
Big Creek, a tributary of the South Fork of the Merced River, near Wawona
1402
Comment
CAS-BOT-BC109254
Polygonum shastense
Herbert L. Mason
1936-7-21
11259
Mariposa
Sierra Nevada. Yosemite National Park. West of Tenaya Lake.
2499
Comment
CAS-BOT-BC129997
Dodecatheon subalpinum
H. L. Mason
1928-7-3
4867
Mariposa
Yosemite Creek drainage, Tioga Road, head of Yosemite Creek grade, Yosemite National Park
Comment
CAS-BOT-BC129998
Dodecatheon subalpinum
H. L. Mason
1928-7-3
4867
Mariposa
Yosemite Creek drainage, Tioga Road, head of Yosemite Creek grade, Yosemite National Park
Comment
CAS-BOT-BC18168
Bulbostylis capillaris
H. L. Mason
1938-7-13
11946
Mariposa
Yosemite National Park. Base of El Capitan, Yosemite Valley.
1226
Comment
CAS-BOT-BC18172
Bulbostylis capillaris
H. L. Mason
1938-7-13
11946
Mariposa
Yosemite National Park. Meadow, Base of El Capitan, Yosemite Valley.
1226
Comment
CAS-BOT-BC219029
Trifolium bolanderi
Herbert L. Mason
1936-8-6
11518
Mariposa
Peregoy Meadow, Glacier Point road
2255
Comment
CAS-BOT-BC229128
Claytonia megarhiza
Herbert L. Mason
1935-7-29
s.n.
Mariposa
Yosemite National Park. Bernice Lake
Comment
CAS-BOT-BC295844
Arnica dealbata
Herbert L. Mason
1938-7-13
11951
Mariposa
Sierra Nevada, Yosemite National Park. Wawona Point, Mariposa Grove Big Trees
2133
Comment
CAS-BOT-BC302649
Gnaphalium palustre
Herbert L. Mason
1936-7-12
11238
Mariposa
Sierra Nevada, Yosemite National Park. Peregoy Meadow, Glacier Point
2255
Comment
CAS-BOT-BC306663
Helenium bigelovii
Herbert L. Mason
1936-8-6
11515
Mariposa
Sierra Nevada, Yosemite National Park. Peregoy Meadow, Glacier Point Road
2255
Comment
CAS-BOT-BC349247
Microseris nutans
H. L. Mason
1936-7-12
11243
Mariposa
Yosemite National Park. Peregoy Meadow, Glacier Point road
2255
Comment
CAS-BOT-BC400755
Asarum lemmonii
Herbert L. Mason
1936-5-15
11132
Mariposa
East fork of the Chowchilla River, Chowchilla Mountains
1463
Comment
CAS-BOT-BC400756
Asarum lemmonii
Herbert L. Mason
1936-5-15
11132
Mariposa
East fork of the Chowchilla River, Chowchilla Mountains
1463
Comment
CAS-BOT-BC414504
Polygonum douglasii
Herbert L. Mason
1936-7-12
11229 a
Mariposa
Sierra Nevada, Yosemite National Park. Peregoy Meadow, Glacier Point road
Comment
CAS-BOT-BC414505
Polygonum douglasii
Herbert L. Mason
1936-8-6
11509
Mariposa
Sierra Nevada, Yosemite National Park. Peregoy Meadow, Glacier Point road
Comment
CAS-BOT-BC419906
Polygonum polygaloides subsp. kelloggii
Herbert L. Mason
1936-8-6
11516
Mariposa
Sierra Nevada, Yosemite National Park. Peregoy Meadow, Glacier Point road
2255
Comment
CAS-BOT-BC444533
Lewisia triphylla
Herbert L. Mason
1936-8-6
11512
Mariposa
Sierra Nevada, Yosemite National Park. Peregoy Meadow, Glacier Point road
2255
Comment
CAS-BOT-BC444617
Montia chamissoi
Herbert L. Mason
1936-7-12
11219
Mariposa
Sierra Nevada, Yosemite National Park. Peregoy Meadow, Glacier Point road
2255
Comment
CAS-BOT-BC63958
Antennaria argentea
Herbert L. Mason
1936-7-12
11240
Mariposa
Peregoy Meadow, Glacier Point road
2255
Comment
JEPS21738
Dodecatheon subalpinum
H. L. Mason
1928-7-3
4867
Mariposa
head of Yosemite Creek grade Yosemite National Park, Yosemite Creek drainage (Tioga Road, Yosemite Creek drainage, Yosemite National Park)
Comment
JEPS825
Ipomopsis aggregata subsp. bridgesii
H. L. Mason
1922-7-27
334
Mariposa
hill s of Porcupine Flat Sierra Nevada, Yosemite National Park
2133
Comment
LA205964
Myrica hartwegii
Herbert L. Mason;
1936-7-11
11209
Mariposa
Big Creek, a tributary of the South Fork of the Merced River, near Wawona
1402
Comment
POM247147
Asarum lemmonii
H. L. Mason
1936-5-15
11132
Mariposa
Chowchilla Mountains
1463
Comment
POM247257
Myrica hartwegii
H. L. Mason
1936-7-11
11209
Mariposa
Big Creek, a tributary of the South Fork of the Merced River, near Wawona.
1402
Comment
POM256412
Bulbostylis capillaris
H. L. Mason
1938-7-13
11946
Mariposa
Yosemite National Park; Base of El Capitan, Yosemite Valley
1227
Comment
POM257229
Lipocarpha occidentalis
H. L. Mason
1938-7-13
11945
Mariposa
Yosemite National Park; Base of El Capitan, Yosemite Valley
1227
Comment
RSA23338
Bulbostylis capillaris
H. L. Mason
1938-7-13
11946
Mariposa
Yosemite National Park; Base of El Capitan, Yosemite Valley
1227
Comment
SBBG27404
Galium trifidum
H. L. Mason
1936-7-12
11241
Mariposa
Peregoy Meadow, Glacier Point Rd
2255
Comment
SBBG29890
Streptanthus polygaloides
H. L. Mason
1936-5-15
11118
Mariposa
summit of rd between Coulterville and Bagby
701
Comment
SEINET190360
Claytonia megarhiza
H. L. Mason
1935-7-29
9450
Mariposa
Yosemite National Park ; Bernice Lake
Comment
SEINET3405793
Polygonum douglasii
Herbert L. Mason
1936-8-6
11509
Mariposa
Yosemite National Park; Peregoy Meadow, Glacier Point road
2256
Comment
SEINET3928129
Asarum lemmonii
Herbert L. Mason
1936-5-15
11132
Mariposa
East fork of the Chowchilla River, Chowchilla Mountains.; 0
1463
Comment
SEINET4152199
Stenophyllus capillaris
H. L. Mason
1938-7-13
11946
Mariposa
Base of El Capitan, Yosemite Valley
1227
Comment
SEINET4170661
Hemicarpha occidentalis
H. L. Mason
1938-7-13
11945
Mariposa
Base of El Capitan, Yosemite Valley; Yosemite National Park
1227
Comment
UC1039503
Galium bifolium
Herbert L. Mason
1938-7-15
11957
Mariposa
Tamarack Flat Yosemite National Park
Comment
UC1039510
Galium bolanderi
H. L. Mason
1928-6-28
4863
Mariposa
Wawona
Comment
UC1039990
Arnica dealbata
Herbert L. Mason
1938-7-13
11951
Mariposa
Wawona Point, Mariposa Grove Big Tree Sierra Nevada, Yosemite National Park
2133
Comment
UC1039995
Lupinus lepidus var. confertus
Herbert L. Mason
1936-7-12
11223
Mariposa
Glacier Point road Peregoy Meadow (Yosemite National Park); Sierra Nevada, , Peregoy Meadow
2255
Comment
UC1039996
Delphinium hansenii
Herbert L. Mason
1936-5-15
11119
Mariposa
summit of road between Coulterville and Bagby
Comment
UC1056424
Calochortus nudus
Herbert L. Mason
1936-7-12
11224
Mariposa
Glacier Point road Peregoy Meadow
2255
Comment
UC1056427
Lewisia nevadensis
Herbert L. Mason
1936-7-12
11245
Mariposa
Peregoy Meadow, Glacier Point Road Sierra Nevada, Yosemite National Park
2255
Comment
UC1056430
Lewisia triphylla
Herbert L. Mason
1936-7-6
11039
Mariposa
Yosemite Falls Trail Sierra Nevada, Yosemite National Park
2133
Comment
UC1056436
Lewisia pygmaea
H. L. Mason
1936-8-6
11513
Mariposa
Peregoy Meadow, Glacier Point Road Sierra Nevada, Yosemite National Park
2255
Comment
UC1056437
Phleum alpinum
Herbert L. Mason
1936-8-6
11506
Mariposa
Yosemite National Park Glacier Point road Peregoy Meadow; Yosemite National Park, Glacier Point road, Peregoy Meadow
2255
Comment
UC1056445
Gnaphalium palustre
Herbert L. Mason
1936-7-12
11233
Mariposa
Glacier Point road Sierra Nevada, Yosemite National Park, Peregoy Meadow
2255
Comment
UC1056446
Minuartia pusilla
Herbert L. Mason
1936-7-12
11232
Mariposa
Peregoy Meadow Sierra Nevada, Yosemite National Park (Glacier Point road)
2255
Comment
UC1056449
Claytonia rubra subsp. rubra
Herbert L. Mason
1936-7-12
11230
Mariposa
Glacier Point; Sierra Nevada, Yosemite National Park, Peregoy Meadow
2255
Comment
UC1056450
Montia chamissoi
Herbert L. Mason
1936-7-12
11219
Mariposa
Peregoy Meadow, Glacier Point Road, Yosemite National Park Peregoy Meadow; Sierra Nevada, Yosemite National Park, Peregoy Meadow
2255
Comment
UC1056452
Trifolium monanthum subsp. parvum
Herbert Mason
1936-8-6
11502
Mariposa
Peregoy Meadow, Glacier Point Sierra Nevada, Yosemite National Park
2255
Comment
UC1056453
Gnaphalium palustre
Herbert L. Mason
1936-7-12
11238
Mariposa
Peregoy Meadow Sierra Nevada, Yosemite National Park, Glacier Meadow, Pereg
2255
Comment
UC1056970
Hesperolinon micranthum
Herbert L. Mason
1936-5-15
11124
Mariposa
summit of road between Coulterville and Bagby
Comment
UC1056975
Lewisia triphylla
Herbert L. Mason
1936-8-6
11512
Mariposa
Peregoy Meadow, Glacier Point Road Sierra Nevada, Yosemite National Park, Peregoy Meadow
2255
Comment
UC1056976
Montia chamissoi
Herbert L. Mason
1936-8-6
11507
Mariposa
Peregoy Meadow, Glacier Point Road, Yosemite National Park Peregoy Meadow; Sierra Nevada, Yosemite National Park, Peregoy Meadow
2255
Comment
UC1056978
Navarretia divaricata subsp. divaricata
Herbert L. Mason
1936-7-12
11231
Mariposa
Peregoy Meadow, Glacier Point road Sierra Nevada, Yosemite National Park
2255
Comment
UC1056989
Pseudostellaria jamesiana
Herbert L. Mason
1936-7-12
11227
Mariposa
Glacier Point Road Peregoy Meadow (Peregoy Meadow, Yosemite National Park); Sierra Nevada, Yosemite National Park, Peregoy Meadow
2255
Comment
UC1056990
Linanthus harknessii
Herbert L. Mason
1936-8-6
11508
Mariposa
Peregoy Meadow, Glacier Point road Sierra Nevada, Yosemite National Park
2255
Comment
UC1076306
Orobanche fasciculata
H. L. Mason
1922-8-25
355
Mariposa
Yosemite National Park. Lake Tenaya.
Comment
UC1076525
Physocarpus capitatus
Herbert L. Mason
1936-7-11
11205
Mariposa
Wawona
Comment
UC1076526
Camassia quamash subsp. breviflora
Herbert L. Mason
1936-7-7
11154
Mariposa
w of Dark Hole (Yosemite National Park, Research Reserve); Sierra Nevada, Yosemite National Park
Comment
UC1081521
Saxifraga oregana
Herbert L. Mason
1936-7-12
11236
Mariposa
Glacier Point, Peregoy Meadow; Sierra Nevada, Yosemite National Park, Glacier Point, Perego
2255
Comment
UC1081537
Pedicularis attollens
Herbert L. Mason
1936-8-6
11510
Mariposa
Peregoy Meadow, Glacier Point road Peregoy Meadow; Sierra Nevada, Yosemite National Park
2255
Comment
UC1081544
Thalictrum fendleri
Herbert L. Mason
1936-7-12
11221
Mariposa
Peregoy Meadow Sierra Nevada, Yosemite National Park, Glacier Point
2255
Comment
UC1081548
Trifolium bolanderi
Herbert L. Mason
1936-8-6
11518
Mariposa
Peregoy Meadow Yosemite National Park (Glacir Point Rd)
2255
Comment
UC1081556
Helenium bigelovii
Herbert L. Mason
1936-7-12
11239
Mariposa
Glacier Point road, Peregoy Meadow Sierra Nevada, Yosemite National Park, Peregoy Meadow
2255
Comment
UC1081565
Ivesia unguiculata
Herbert L. Mason
1936-7-12
11242
Mariposa
Peregoy Meadow; Sierra Nevada, Yosemite National Park, Glacier Point
2255
Comment
UC1083115
Rumex salicifolius var. denticulatus
Herbert L. Mason
1936-8-6
11514
Mariposa
Peregoy Meadow, Glacier Point road Sierra Nevada, Yosemite National Park
2255
Comment
UC1083117
Polygonum convolvulus
Herbert L. Mason
1936-7-12
12217 a
Mariposa
Merced River Yosemite National Park, Yosemite Valley
Comment
UC1083124
Dicentra formosa
Herbert L. Mason
1926-5-16
11131
Mariposa
Chowchilla Mountain
Comment
UC1083131
Helenium bigelovii
Herbert L. Mason
1936-8-6
11515
Mariposa
Glacier Point Road, Peregoy Meadow Yosemite National Park, Sierra Nevada, Peregoy Meadow
2255
Comment
UC1083134
Antennaria corymbosa
Herbert L. Mason
1936-7-12
11240
Mariposa
Glacier Point road, (wet meadow surrounded by Pinus murrayana) Peregoy Meadow; Sierra Nevada, Yosemite National Park
2255
Comment
UC1083135
Chaenactis douglasii var. douglasii
Herbert L. Mason
1936-7-11
11200
Mariposa
Wawona
1249
Comment
UC1093673
Polygonum douglasii subsp. douglasii
Herbert L. Mason
1936-8-6
11509
Mariposa
Peregoy Meadow Sierra Nevada, Yosemite National Park (Glacier Point rd)
2255
Comment
UC1093674
Castilleja tenuis
Herbert L. Mason
1936-8-6
11505
Mariposa
Peregoy Meadow; Glacier Point road
2255
Comment
UC1093948
Lupinus stiversii
Herbert L. Mason
1928-6-28
4860
Mariposa
Wawona
Comment
UC1111533
Trifolium longipes var. nevadense
Herbert L. Mason
1936-8-6
11504
Mariposa
Peregoy Meadow, Glacier Point Rd Sierra Nevada, Yosemite National Park
2255
Comment
UC1111534
Trifolium longipes var. hansenii
Herbert L. Mason
1936-8-6
11503
Mariposa
Glacier Point Rd Sierra Nevada, Yosemite National Park, Paragoy Meadow
2255
Comment
UC1178844
Dodecatheon alpinum
H. L. Mason
1922-7-24
332
Mariposa
Porcupine Flat Sierra Nevada Mountains, Yosemite National Park
Comment
UC1178948
Perideridia parishii subsp. latifolia
Herbert L. Mason
1939-7-5
12107
Mariposa
Peregoy Meadow Sierra Nevada, Yosemite National Park (Glacier Point Road)
2255
Comment
UC1191155
Dodecatheon alpinum
H. L. Mason
1923-7-28
667
Mariposa
Snow Flat Sierra Nevada Mountains, Yosemite National Park
Comment
UC1191693
Dodecatheon jeffreyi
Herbert L. Mason
1936-7-7
11151
Mariposa
w Dark Hole (Research Reserve, Yosemite National Park); Sierra Nevada, Yosemite National Park, w of Dark Hole
2438
Comment
UC1199849
Dodecatheon jeffreyi
H. L. Mason
1922-7-25
327
Mariposa
1 1/2 mi w Porcupine Flat Sierra Nevada Mountains, Yosemite National Park
2133
Comment
UC1199860
Dodecatheon alpinum
H. L. Mason
1922-9-2
355
Mariposa
Snow Flat Sierra Nevada Mountains, Yosemite National Park (Yosemite National Park)
Comment
UC1199861
Dodecatheon alpinum
H. L. Mason
1923-8-25
354
Mariposa
Snow Flat Sierra Nevada Mountains, Yosemite National Park
Comment
UC1292652
Streptanthus tortuosus
Charles T. Mason Jr.
1949-5-10
Mariposa
between Coulterville and Bagby
Comment
UC1540433
Asarum lemmonii
Herbert L. Mason
May 15-16, 1936
11132
Mariposa
East fork of the Chowchilla River, Chowchilla Mountains
Comment
UC1540477
Myrica hartwegii
Herbert L. Mason
1936-7-11
11209
Mariposa
near Wawona (Big Creek); Big Creek-a tributary of S. Fork Merced R.
Comment
UC382615
Hazardia whitneyi var. whitneyi
H. L. Mason
1923-9-18
765
Mariposa
White Wolf Sierra Nevada, Yosemite National Park, White Wolf
Comment
UC566696
Microseris nutans
Herbert L. Mason
1923-7-28
662
Mariposa
Porcupine Flat Yosemite National Park
Comment
UC570796
Euphorbia crenulata
H. L. Mason
1928-6-28
4864
Mariposa
Wawona
Comment
UC573088
Cryptantha flaccida
H. L. Mason
1928-6-28
4861
Mariposa
Wawona
Comment
UC581524
Viola pinetorum subsp. pinetorum
H. L. Mason
1923-7-28
666
Mariposa
Porcupine Flat, Tioga Pass Road Porcupine Flat
Comment
UC588138
Asarum lemmonii
Herbert L. Mason
May 15 - 16, 1936
11132
Mariposa
East fork of the Chowchilla River, Chowchilla Mountains
Comment
UC588149
Myrica hartwegii
Herbert L. Mason
1936-7-11
11209
Mariposa
near Wawona (Big Creek); Big Creek-a tributary of S. Fork Merced R.
1402
Comment
UC588150
Myrica hartwegii
Herbert L. Mason
1936-7-11
11208
Mariposa
Big Creek near Wawona; Big Creek-a tributary of S. Fork Merced R.
1402
Comment
UC629710
Lipocarpha occidentalis
H. L. Mason
1938-7-13
11945
Mariposa
base of El Capitan, Yosemite National Park, Yosemite Valley El Capitan; Yosemite National Park, Yosemite Valley, El Capitan
1226
Comment
UC632748
Eleocharis engelmannii var. detonsa
H. L. Mason
1938-7-13
11947
Mariposa
base of El Capitan; Yosemite National Park, Yosemite Valley
1226
Comment
UC632751
Bulbostylis capillaris
H. L. Mason
1938-7-13
11946
Mariposa
base of El Capitan Yosemite National Valley, Yosemite Valley
1226
Comment
UC632770
Eleocharis bella
Herbert L. Mason
1938-7-13
11948
Mariposa
Yosemite Valley, base of El Capitan Sierra Nevada, Yosemite National Park
1226
Comment
UC632774
Bulbostylis capillaris
H. L. Mason
1936-7-12
11215
Mariposa
along Merced River Yosemite National Park, Yosemite Valley
Comment
UC632775
Lipocarpha occidentalis
H. L. Mason
1936-7-12
11216
Mariposa
along Merced River, Yosemite National Park, Yosemite Valley Merced River; Yosemite National Park, Yosemite Valley, Merced River
Comment
UC632776
Cyperus squarrosus
H. L. Mason
1938-7-13
11949
Mariposa
base of El Capitan; Yosemite Valley, Yosemite Nat'l Park
1226
Comment
UC632784
Pedicularis semibarbata
H. L. Mason
1936-7-6
11146
Mariposa
Hetch Hetchy Trail w of Yosemite Creek; Yosemite National Park
2377
Comment
UC632791
Galium trifidum var. pusillum
H. L. Mason
1936-7-12
11241
Mariposa
Peregoy Meadow Yosemite National Park, Glacier Point Road
2255
Comment
UC632795
Galium bifolium
H. L. Mason
1936-7-12
11228
Mariposa
Glacier Point road Yosemite National Park, Peregoy Meadow
2255
Comment
UC632801
Nemacladus interior
H. L. Mason
1936-7-11
11198
Mariposa
Wawona
1249
Comment
UC632805
Heterocodon rariflorum
H. L. Mason
1936-7-11
11199
Mariposa
Wawona
1249
Comment
UC632808
Hesperochiron pumilus
H. L. Mason
1936-7-12
11222
Mariposa
Yosemite Nat'l Park, Peregoy Meadow, Glacier Point rd.
2255
Comment
UC632809
Nemophila spatulata
H. L. Mason
1936-7-12
11225
Mariposa
Peregoy Meadow Yosemite National Park, Glacier Point Road, Peregoy Meadow (Glacier Point road, Yosemite National Park)
2255
Comment
UC632811
Phacelia hydrophylloides
H. L. Mason
1936-7-6
11147
Mariposa
Hetch Hetchy Trail w Yosemite Creek; Yosemite National Park
2377
Comment
UC632824
Phalacroseris bolanderi
H. L. Mason
1936-7-12
11244
Mariposa
Peregoy Meadow Yosemite National Park, Glacier Point road
2255
Comment
UC632830
Helenium bigelovii
H. L. Mason
1936-7-12
11210
Mariposa
Merced River Yosemite National Park, Yosemite Valley, Merced River
1219
Comment
UC632831
Helenium bigelovii
H. L. Mason
1936-7-11
11202
Mariposa
Wawona
1249
Comment
UC632846
Phacelia mutabilis
H. L. Mason
1936-7-6
11148
Mariposa
Hetch Hetchy Trail w Yosemite Creek; Yosemite National Park
2377
Comment
UC632861
Microseris nutans
H. L. Mason
1936-7-12
11243
Mariposa
Peregoy Meadow, Glacier Point road Yosemite National Park
2255
Comment
UC632862
Castilleja tenuis
H. L. Mason
1936-7-12
11229
Mariposa
Peregoy Meadows Yosemite National Park (Glacier Point road)
2255
Comment
UC632870
Eriophyllum confertiflorum var. confertiflorum
H. L. Mason
1936-7-6
11136
Mariposa
Yosemite Falls Trail Yosemite National Park, Yosemite Falls Trail
Comment
UC632872
Erigeron breweri var. breweri
H. L. Mason
1936-7-11
11201
Mariposa
Wawona
1249
Comment
UC635585
Nemacladus interior
H. L. Mason
1928-6-28
4866
Mariposa
Wawona
Comment
UC642889
Rorippa curvisiliqua
H. L. Mason
1936-8-6
11511
Mariposa
Peregoy Meadows Sierra Nevada, near s rim Yosemite Valley
2194
Comment
UC665676
Claytonia megarhiza
Herbert L. Mason
1935-7-29
9450
Mariposa
Bernice Lake; Yosemite National Park
Comment
UC672550
Pedicularis groenlandica
H. L. Mason
1922-7-25
328
Mariposa
Porcupine Flat, Tioga Pass Road Porcupine Flat
2133
Comment
UC672554
Pedicularis semibarbata
H. L. Mason
1922-7-25
323
Mariposa
Porcupine Flat, Tioga Pass Road Porcupine Flat
2133
Comment
UC672576
Veronica wormskjoldii
H. L. Mason
1923-7-28
665
Mariposa
Porcupine Flat, Tioga Pass Road Porcupine Flat
Comment
UC673387
Dodecatheon hendersonii
Herbert L. Mason
1938-4-17
11740
Mariposa
8 mi e Hornitos; Sierra Nevada, e of Hornitos
Comment
UC673403
Dodecatheon subalpinum
Herbert L. Mason
1928-7-3
4867
Mariposa
head of Yosemite Creek grade Yosemite Creek drainage, Tioga Road (Tioga Road, Yosemite Creek drainage)
Comment
UC673421
Eleocharis bella
Herbert L. Mason
1939-7-5
12108
Mariposa
Peregoy Meadow, Glacier Point road Yosemite National Park
2255
Comment
UC673493
Dodecatheon jeffreyi
H. L. Mason
1922-7-25
327
Mariposa
1 1/2 mi w Porcupine Flat; Sierra Nevada Mountains, Yosemite National Park
2133
Comment
UC673495
Dodecatheon alpinum
H. L. Mason
1923-8-25
354
Mariposa
Snow Flat Sierra Nevada Mountains, Yosemite National Park
Comment
UC673557
Corallorhiza maculata
H. L. Mason
1922-7-25
331
Mariposa
Porcupine Flat; Tioga Pass Rd.
2133
Comment
UC908150
Ipomopsis aggregata subsp. bridgesii
H. L. Mason
1922-7-27
334
Mariposa
hill s of Porcupine Flat Sierra Nevada, Yosemite National Park
2133
Comment
UC908210
Gilia capitata subsp. pedemontana
Charles Mason
1949-5-10
1288 a
Mariposa
along road 1 mi s Mormon Bar (between Mariposa and Raymond); s of Mormon Bar, btw Mariposa and Raymond
Comment
UC909043
Gilia capitata subsp. mediomontana
Herbert L. Mason
1928-6-28
4862
Mariposa
Wawona
Comment
UC912257
Symphyotrichum foliaceum
H. L. Mason
1923-9-18
762
Mariposa
Porcupine Flat Sierra Nevada Mountains, Yosemite National Park, Porcupine C
Comment
UC912616
Hemizonella minima
H. L. Mason
1923-7-28
664
Mariposa
Porcupine Flat Sierra Nevada Mountains, Yosemite National Park
Comment
UC912688
Equisetum X ferrissii
Herbert L. Mason
1936-7-12
11212
Mariposa
Yosemite Valley; Yosemite Valley, Merced River
Comment
UC971892
Limnanthes montana
Charles T. Mason Jr.
1949-5-9
1287
Mariposa
along stream 2 mi s Mormon Bar (road from Mormon Bar to Raymond)
Comment
UC971893
Limnanthes montana
Charles T. Mason Jr.
1949-5-9
1288
Mariposa
near Merced-Mormon Bar-Raymond corner
Comment
UC971894
Limnanthes montana
Charles T. Mason Jr.
1949-5-9
1289
Mariposa
6 mi n Raymond-Le Grande-Mormon Bar corner
Comment
UC971896
Limnanthes montana
Charles T. Mason Jr.
1949-5-9
1291
Mariposa
2 mi s Mt. Bullion
Comment
UC971905
Limnanthes striata
Charles T. Mason Jr.
1948-5-1
1167
Mariposa
1 mi s Coulterville (along State Hwy 49)
548
Comment
UCR139437
Myrica hartwegii
H. L. Mason
1936-7-11
11209
Mariposa
Sierra Nevada Mtns., Big Creek, a tributary of the South Fork of the Merced River, near Wawona
1402
Comment
YM-YOSE65561
Cyperus inflexus
H. L. Mason
1938-7-13
11949
Mariposa
BASE OF EL CAPITAN. YOSEMITE VALLEY
1226
Comment
YM-YOSE65590
Stenophyllus capillaris
H. L. Mason
1938-7-13
11946
Mariposa
BASE OF EL CAPITAN. YOSEMITE VALLEY
1226
Comment
CAS-BOT-BC111981
Lipocarpha occidentalis
H. L. Mason
1938-7-13
11945
Mariposa
Meadow at base of El Capitan, Yosemite Valley, Yosemite National Park.
1226
Comment
CAS-BOT-BC111994
Lipocarpha occidentalis
H. L. Mason
1938-7-13
11945
Mariposa
Meadow at base of El Capitan, Yosemite Valley
1226
Comment
CAS-BOT-BC126817
Ceanothus fresnensis
Herbert L. Mason
1938-7-13
11950
Mariposa
Wawona Road south of Chinquapin
Comment
CAS-BOT-BC136155
Dodecatheon alpinum
Herbert L. Mason
1922-7-26
332
Mariposa
Porcupine Flat, east of Yosemite Creek, Tioga Pass Road - Yosemite National Park
Comment
CAS-BOT-BC16909
Delphinium pratense
Herbert L. Mason
1936-7-6
11149
Mariposa
Hetch Hetchy Trail west of Yosemite Creek
2377
Comment
CAS-BOT-BC175796
Caltha leptosepala
Herbert L. Mason
1936-7-7
11152
Mariposa
Research Reserve, Hetch Hetchy Trail west of Dark Hole. Sierra Nevada, Yosemite National Park
2438
Comment
CAS-BOT-BC177579
Astragalus bolanderi
Herbert L. Mason
1936-7-9
11173
Mariposa
Summit of ridge forming boundary between Tuolumne and Mariposa counties, south of White Wolf. Sierra Nevada, Yosemite National Park
2743
Comment
CAS-BOT-BC219154
Ribes nevadense
Herbert L. Mason
1931-7-7
11164
Mariposa
Research Reserve, Hetch Hetchy Trail W of Dark Hole
2438
Comment
CAS-BOT-BC229481
Lewisia kelloggii
Herbert L. Mason
1941-7-6
12495
Mariposa
Sierra Nevada, Yosemite National Park. Horse Ridge
2895
Comment
CAS-BOT-BC277771
Chaenactis nevadensis
Herbert L. Mason
1936-7-6
11141
Mariposa
Sierra Nevada, Yosemite National Park. Hetch Hetchy Trail west of Yosemite Creek
2286
Comment
CAS-BOT-BC295552
Agnorhiza bolanderi
H. L. Mason
1936-3-21
11029
Mariposa
Four miles north of Coulterville
Comment
CAS-BOT-BC391595
Actaea spicata var. arguta
Herbert L. Mason
1936-7-9
11174
Mariposa
Sierra Nevada, Yosemite National Park. East slope of hill forming boundary between Tuolumne and Mariposa counties, south of White Wolf
2590
Comment
CAS-BOT-BC400907
Hypericum anagalloides
Herbert L. Mason
1936-7-7
11158
Mariposa
Sierra Nevada, Yosemite National Park. Research Reserve, Hetch Hetchy Trail west of Dark Hole
2438
Comment
CAS-BOT-BC50896
Ceanothus fresnensis
Herbert L. Mason
1938-7-13
11950
Mariposa
Sierra Nevada - Yosemite National Park - Wawona Road south of Chinquapin
Comment
CAS-BOT-BC87450
Streptanthus polygaloides
H. L. Mason
1936-5-15
11118
Mariposa
Summit of road between Coulterville and Bagby.
701
Comment
CAS-BOT-BC87451
Streptanthus polygaloides
H. L. Mason
1936-5-15
11118
Mariposa
Summit of road between Coulterville and Bagby.
701
Comment
JEPS19684
Castilleja nana
Herbert L. Mason
1938-7-22
11980
Mariposa
3 mi n and above Hetch Hetchy Valley (on the slopes of The Beehive); The Beehive
2133
Comment
POM247279
Collinsia torreyi
H. L. Mason
1936-7-15
11258
Mariposa
Tamarack Flat, old Big Oak Flat Road. Yosemite National Park.
1921
Comment
POM256483
Galium trifidum var. pusillum
H. L. Mason
1936-7-12
11241
Mariposa
Peregoy Meadow. Glacier Point road. Yosemite National Park.
2256
Comment
POM257207
Streptanthus polygaloides
H. L. Mason
11118
Mariposa
Summit of road between Coulterville and Bagby.
701
Comment
POM270484
Aconitum columbianum var. columbianum
H. L. Mason
1923-7-25
329
Mariposa
Creek 1.5 miles below Porcupine Flats, Tuolumne County
Comment
RSA0036091
Streptanthus polygaloides
Herbert L. Mason
1936-5-15
111118
Mariposa
Summit of road between Coulterville and Bagby.
701
Comment
SBBG27380
Collinsia torreyi var. latifolia
H. L. Mason
1936-7-15
11258
Mariposa
Tamarack Flat, old Big Oak Flat Rd
1920
Comment
SBBG29836
Asarum lemmonii
H. L. Mason
1936-5-15
11132
Mariposa
E fork of Chowchilla River, Chowchilla Mtns
1463
Comment
SEINET10460617
Heterocodon rariflorum
Mason
Mason 11199
Mariposa
WAWONA
Comment
SEINET10461179
Nemacladus interior
Mason
1936-7-11
Mason 11198
Mariposa
Wawona
1250
Comment
SEINET10461220
Nemacladus interior
Mason
1928-6-28
Mason 4866
Mariposa
Wawona
Comment
SEINET10481896
Streptanthus polygaloides
Mason
1936-5-15
Mason 11118
Mariposa
Serpentine outcrops. Summit of rd between coulterville and bagby.
701
Comment
SEINET10587210
Bulbostylis capillaris
Herbert L. Mason
1938-7-13
Mason 11946
Mariposa
Yosemite Valley, Mariposa County.
1227
Comment
SEINET10916076
Lipocarpha occidentalis
Herbert L. Mason
1938-7-13
Mason 11945
Mariposa
Meadow, base of El Capitan, Yosemite Valley. Yosemite National Park.
1227
Comment
SEINET10972182
Githopsis pulchella subsp. serpentinicola
Mason
1936-5-15
Mason 11116
Mariposa
Summit Road between Coulterville and Bagby
Comment
SEINET11938910
Polygonum douglasii
H. L. Mason
1936-1
11509
Mariposa
Yosemite National Park, Peregoy Meadow, Glacier Point road
2256
Comment
SEINET190352
Dodecatheon subalpinum
H. L. Mason
1928-7-3
4867
Mariposa
Yosemite National Park; Yosemite Creek drainage, Tioga Road, head of Yosmite Creek grade.
Comment
SEINET6670657
Limnanthes montana
C. T. Mason
1949-5-9
1287
Mariposa
2 miles south of Mormon Bar, road from Mormon Bar to Raymond
Comment
SEINET6688442
Myrica hartwegii
Herbert L. Mason
1936-1
11209
Mariposa
Big Creek, a tributary of the South FOrk of the Merced River, near Wawina
1402
Comment
SEINET7547924
Bulbostylis capillaris
H. L. Mason
1938-7-13
11946
Mariposa
Base of El Capitan, Yosemite Valley.
1227
Comment
SEINET7585734
Lipocarpha occidentalis
H. L. Mason
1938-7-13
11945
Mariposa
Base of El Capitan, Yosemite Valley, Yosemite National Park.
1227
Comment
SEINET8727030
Limnanthes montana
Charles T. Mason Jr.
1949-1
1287
Mariposa
2 miles south of Mormon Bar; road from Mormon Bar to Raymond. S1; R18E; T6S.
Comment
UC1039991
Hypericum anagalloides
Herbert L. Mason
1936-7-7
11158
Mariposa
Hetch Hetchy Trail w. of Dark Hole (Research Reserve, Yosemite Nat'l Park); Sierra Nevada, Yosemite Nat'l Park, Research Reserve
2438
Comment
UC1039994
Lupinus polyphyllus var. burkei
Herbert L. Mason
1936-7-7
11150
Mariposa
Research Reserve Hetch Hetchy Trail w Dark Hole; Sierra Nevada, Yosemite National Park, Hetch Hetchy Trail
2438
Comment
UC1039998
Rubus parviflorus
Herbert L. Mason
1936-7-9
11178
Mariposa
s White Wolf (hill forming boundary between Tuolumne and Mariposa Counties); Sierra Nevada, Yosemite National Park, s of White Wolf
2590
Comment
UC1056426
Platanthera sparsiflora
Herbert L. Mason
1936-7-7
11166
Mariposa
w of Dark Hole (Research Reserve, Hetch Hetchy Trail); Sierra Nevada, Yosemite National Prk
2438
Comment
UC1056433
Lewisia pygmaea
Herbert L. Mason
1936-7-7
11167
Mariposa
Hetch Hetchy Trail w Dark Hole (Research Reserve); Sierra Nevada, Yosemite National Park
2438
Comment
UC1056440
Saxifraga bryophora
Herbert L. Mason
1936-7-6
11144
Mariposa
Hetch Hetchy Trail w of Yosemite Creek; Sierra Nevada, Yosemite National Park
2286
Comment
UC1056993
Lupinus bicolor
Herbert L. Mason
1938-4-17
11737
Mariposa
ridge w Mormon Bar; Sierra Nevada foothills, w of Mormon Bar
548
Comment
UC1077100
Phacelia racemosa
Herbert L. Mason
1938-7-17
11958
Mariposa
Big Oak Flat Rd Sierra Nevada, Yosemite National Park, Tamarack Flat
1950
Comment
UC1081520
Mitella breweri
Herbert L. Mason
1936-7-7
11163
Mariposa
Hetch Hetchy Trail w Dark Hole; Sierra Nevada, Yosemite National Park, Research Reserve
2438
Comment
UC1081522
Boykinia major
Herbert L. Mason
1936-7-11
11207
Mariposa
w Wawona (Big Creek, a tributary of the South Fork of the Merced River); Sierra Nevada, trib of South Fork Merced River, Big Creek
1584
Comment
UC1081523
Lithophragma
Herbert L. Mason
1936-3-21
11020
Mariposa
3 mi n Coulterville
Comment
UC1081534
Chaenactis glabriuscula var. glabriuscula
Herbert L. Mason
1936-3-21
11027
Mariposa
3 m n of Coulterville
Comment
UC1081543
Ribes nevadense
Herbert L. Mason
1931-7-7
11164
Mariposa
w Dark Hole (Hetch Hetchy Trail, Research Reserve); Sierra Nevada, Yosemite National Park
2438
Comment
UC1081545
Caltha biflora
Herbert L. Mason
1936-7-7
11152
Mariposa
Hetch Hetchy Trail west of Dark Hole; Sierra Nevada, Yosemite National Park.
2438
Comment
UC1081547
Trifolium breweri
Herbert L. Mason
1936-8-6
11517
Mariposa
Wawona Rd Sierra Nevada, Yosemite National Park
Comment
UC1081549
Chaenactis alpigena
Herbert L. Mason
1936-7-6
11141
Mariposa
w of Yosemite Creek (Hetch Hetchy Trail); Sierra Nevada, Yosemite National Park
2286
Comment
UC1081552
Delphinium nuttallianum
Herbert L. Mason
1936-7-6
11149
Mariposa
Hetch Hetchy trail w Yosemite Creek; Sierra Nevada, Yosemite National Park
2377
Comment
UC1083122
Dicentra chrysantha
Herbert L. Mason
1936-5-15
11115
Mariposa
between Coulterville Bagby (summit of road)
Comment
UC1083132
Chaenactis glabriuscula var. heterocarpha
Herbert L. Mason
1936-3-21
11031
Mariposa
4 mi n of Coulterville
Comment
UC1083200
Lupinus bicolor
Herbert L. Mason
1938-4-17
11736
Mariposa
ridge w Mormon Bar; Sierra Nevada foothills, w of Mormon Bar
548
Comment
UC1083209
Sidalcea hartwegii
Herbert L. Mason
1936-5-16
11124 A
Mariposa
Summit of road between Coulterville and Bagby
Comment
UC1083210
Cornus sericea subsp. sericea
Herbert L. Mason
1936-7-9
11179
Mariposa
s. White Wolf (e. slope of hill forming boundary between Tuolumne and Mariposa counties); Sierra Nevada, Yosemite Nat'l Park
2590
Comment
UC1083211
Cornus sericea subsp. sericea
Herbert L. Mason
1936-7-6
11143
Mariposa
Hetch Hetchy Trail Yosemite Nat'l Park; Sierra Nevada, Yosemite Nat'l Park
2286
Comment
UC1083212
Staphylea bolanderi
Herbert L. Mason
1936-5-16
11126
Mariposa
summit of Bear Creek Grade
Comment
UC1093677
Ceanothus fresnensis
Herbert L. Mason
1938-7-13
11950
Mariposa
Wawona Road south of Chinquapin
Comment
UC1093679
Lupinus bicolor
Herbert L. Mason
1938-4-17
11735
Mariposa
ridge w Mormon Bar; Sierra Nevada foothills, w of Mormon Bar
548
Comment
UC1093917
Actaea rubra
Herbert L. Mason
1936-7-9
11174
Mariposa
s. White wolf (e. slope of hill forming boundary between Tuolumne & Mariposa Co.'s); Sierra Nevada, Yosemite Nat'l Park
2590
Comment
UC1093947
Lewisia kelloggii subsp. kelloggii
Herbert L. Mason
1941-7-6
12495
Mariposa
Horse Ridge Yosemite National Park
2895
Comment
UC1093957
Lotus stipularis var. ottleyi
Herbert L. Mason
1936-5-15
11112
Mariposa
3 mi above Coulterville
Comment
UC1111010
Phlox gracilis
Herbert L. Mason
1936-7-7
11165
Mariposa
w of Dark Hole (n of Yosemite Valley, Research Reserve); Sierra Nevada, Yosemite National Park
2438
Comment
UC1111600
Claytonia parviflora subsp. parviflora
Herbert L. Mason
1936-3-21
11028
Mariposa
3 mi n Coulterville
Comment
UC1540455
Collinsia torreyi var. torreyi
Herbert L. Mason
1936-7-15
11258
Mariposa
Yosemite National Park, Tamarack Flat, old Big Oak Flat Road Tamarack Flat; Yosemite National Park, Tamarack Flat
1920
Comment
UC19484
Lewisia kelloggii subsp. kelloggii
Herbert L. Mason
1941-7-6
12495
Mariposa
Horse Ridge Sierra Nevada, Yosemite National Park
2895
Comment
UC571148
Sedum lanceolatum
H. L. Mason
1922-8-26
352
Mariposa
near Lake Tenaya (Yosemite National Park, on w-facing rocky slope); Sierra Nevada Mountains, Yosemite National Park
Comment
UC573076
Hackelia nervosa
H. L. Mason
1922-7-26
336
Mariposa
Spur of Porcupine Meadow (Tioga Pass Road); Sierra Nevada Mountains, Yosemite National Park
2438
Comment
UC581502
Viola macloskeyi
H. L. Mason
1923-7-25
326
Mariposa
Creek 1 1/2 mi below Porcupine Flat (on Tioga Pass Road); Tioga Pass Road
2133
Comment Read comments Sep 27 2009
UC588122
Collinsia torreyi var. torreyi
Herbert L. Mason
1936-7-15
11258
Mariposa
Yosemite National Park, Tamarack Flat, old Big Oak Flat Road Tamarack Flat; Yosemite National Park, Tamarack Flat
1920
Comment
UC629717
Streptanthus polygaloides
H. L. Mason
May 15 1936-May 16 1936
11118
Mariposa
summit of road between Coulterville and Bagby
701
Comment
UC632773
Cyperus squarrosus
H. L. Mason
1936-7-12
11214
Mariposa
along Merced R., Yosemite Valley Yosemite Nat'l Park, Yosemite Valley, Merced R.
Comment
UC632782
Mimulus tilingii
H. L. Mason
1936-7-7
11159
Mariposa
Hetch-Hetchy Trail w Dark Hole; Yosemite National Park, Research Reserve
2438
Comment
UC632783
Castilleja applegatei subsp. disticha
H. L. Mason
1936-7-7
11157
Mariposa
w of Dark Hole (Hetch Hetchy Trail, Research Reserve); Yosemite National Park
2438
Comment
UC632794
Castilleja foliolosa
H. L. Mason
1936-3-21
11036
Mariposa
4 mi n Coulterville
Comment
UC632802
Githopsis pulchella subsp. serpentinicola
H. L. Mason
1936-5-15
11116
Mariposa
between Coulterville and Bagby (Summit Road)
Comment
UC632803
Lonicera conjugialis
H. L. Mason
1936-7-6
11160
Mariposa
w Dark Hole (Hetch Hetchy Trail, Research Reserve); Yosemite National Park
2438
Comment
UC632806
Mertensia ciliata
H. L. Mason
1936-7-7
11153
Mariposa
W of Dark Hole (Hetch Hetchy Trail; Research Reserve); Yosemite National Park
2438
Comment
UC632821
Agoseris heterophylla var. cryptopleura
H. L. Mason
1936-3-21
11022
Mariposa
3 mi n, on serpentine ridge Coulterville
Comment
UC632822
Agnorhiza bolanderi
H. L. Mason
1936-3-21
11029
Mariposa
4 mi n Coulterville
Comment
UC632826
Castilleja lineariloba
H. L. Mason
1936-5-15
11110
Mariposa
2 mi above Coulterville
Comment
UC632827
Collinsia sparsiflora var. collina
Herbert L. Mason
1936-3-21
11026
Mariposa
3 mi n Coulterville
Comment
UC632833
Cirsium occidentale var. californicum
H. L. Mason
1936-5-15
11122
Mariposa
road from Coulterville to Bagby
Comment Read comments Aug 5 2008
UC632839
Eriophyllum lanatum var. integrifolium
H. L. Mason
1936-7-9
11168
Mariposa
ridge forming boundary between Tuolumne County and Mariposa County (s of White Wolf); Yosemite National Park
2529
Comment
UC632843
Rigiopappus leptocladus
H. L. Mason
1936-5-15
11113
Mariposa
three mi above Coulterville
Comment
UC632845
Eriophyllum lanatum var. integrifolium
H. L. Mason
1936-7-9
11177
Mariposa
s White Wolf (e slope of hill forming bouindary between Tuolumne and Mariposa counties); Yosemite National Park
2590
Comment
UC632850
Lepechinia calycina
H. L. Mason
1936-5-15
Mariposa
Seven miles above Coulterville
Comment
UC632852
Ancistrocarphus filagineus
H. L. Mason
1936-3-21
11034
Mariposa
4 mi n Coulterville
Comment
UC632859
Pseudobahia heermannii
H. L. Mason
1936-3-21
11021
Mariposa
3 mi n of Coulterville
Comment
UC632869
Collinsia tinctoria
H. L. Mason
1936-5-15
11121
Mariposa
Summit of road from Coulterville to Bagby
Comment
UC632874
Uropappus lindleyi
H. L. Mason
1936-3-21
11032
Mariposa
four mi n Coulterville
Comment
UC632876
Coreopsis stillmanii
H. L. Mason
1936-5-15
11125
Mariposa
Summit Road from Coulterville to Bagby
Comment
UC673562
Cephalanthera austiniae
H. L. Mason
1922-7-3
304
Mariposa
Tuolumne Big Trees Grove, Yosemite Nat'l Park Sierra Nevada Mts., Yosemite Nat'l Park, Tuolumne Big Trees
Comment Read comments Sep 3 2013
UC673578
Platanthera sparsiflora
Herbert L. Mason
1922-7-3
305
Mariposa
Big Tree Grove Sierra Nevada, Yosemite National Park
1524
Comment
UC912200
Soliva sessilis
Herbert L. Mason
1926-5-28
3259
Mariposa
Yosemite National Park , Yosemite National Park (Sierra Nevada Mountains)
Comment
UC912686
Adiantum jordanii
Herbert L. Mason
1936-3-21
11035
Mariposa
4 mi n Coulterville
Comment
UC921145
Solanum umbelliferum
Herbert L. Mason
1936-5-15
11111
Mariposa
3 mi above Coulterville
Comment
UC963760
Linanthus bolanderi
Herbert L. Mason
1938-4-17
11739
Mariposa
near Mt. Buillion
Comment
UC964758
Plectritis ciliosa subsp. ciliosa
Herbert L. Mason
1938-4-17
11738
Mariposa
Hills near Cathay
Comment
UC971906
Limnanthes striata
Charles T. Mason Jr.
1948-5-1
1168
Mariposa
along State Hwy 49 Bear Valley
609
Comment
UC972232
Linanthus dichotomus
Herbert L. Mason
1936-3-21
11023
Mariposa
3 mi n Coulterville
Comment
UC972233
Linanthus montanus
Herbert L. Mason
1936-5-15
11114
Mariposa
3 mi e Coulterville
Comment
UCD119021
Dodecatheon jeffreyi
Herbert L. Mason
1936-7-7
11151
Mariposa
Research Reserve, west of Dark Hole. Yosemite National Park, Sierra Nevada.
2438
Comment
UCD123683
Collinsia torreyi
Herbert L. Mason
1936-7-15
11258
Mariposa
Tamarack Flat, Old Big Oak Flat Road, Yosemite National Park.
1920
Comment
UCD55555
Achnatherum occidentale
H. L. Mason
1938-7-25
11988
Mariposa
Yosemite National Park. Slopes on Mahan Peak.
Comment
UCSB37259
Allophyllum divaricatum
Mason, H.
1938-7-7
Mariposa
Brecca Ridge South of Swamp Lake; Yosemite
Comment