Search Results — 1301 specimen records retrieved (1059 records with coordinates)
Results for search: County=TUOLUMNE; Source=All; Collector=Mason;   

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC103714  Salix eastwoodiae H. L. Mason 1923-7-29 668 Tuolumne Dana Fork, Tuolumne Meadows Comment
  CAS-BOT-BC110205  Carex buxbaumii H. L. Mason 1938-7-10 11915 Tuolumne Yosemite National Park. South island in Swamp Lake, west of Hetch Hetchy. 1584 Comment
  CAS-BOT-BC110206  Carex buxbaumii H. L. Mason 1938-7-11 11942 Tuolumne Yosemite National Park. South island in Swamp Lake, west of Hetch Hetchy. 1584 Comment
  CAS-BOT-BC110207  Carex buxbaumii H. L. Mason 1938-7-10 11915 Tuolumne Yosemite National Park. South island in Swamp Lake, west of Hetch Hetchy. 1584 Comment
  CAS-BOT-BC110208  Carex buxbaumii H. L. Mason 1938-7-11 11942 Tuolumne Yosemite National Park. South island in Swamp Lake, west of Hetch Hetchy. 1584 Comment
  CAS-BOT-BC110209  Carex buxbaumii H. L. Mason 1938-7-9 11901 Tuolumne Yosemite National Park. Swamp Lake, west of Hetch Hetchy. 1584 Comment
  CAS-BOT-BC111156  Trichophorum clementis Herbert L. Mason 1936-7-27 11387 Tuolumne Upper Gaylor Lake, northwest of Tioga Pass. 3230 Comment
  CAS-BOT-BC111996  Lipocarpha occidentalis H. L. Mason 1938-7-10 11904 Tuolumne Miguel Meadow, west of Hetch-Hetchy. Yosemite National Park. 1584 Comment
  CAS-BOT-BC111997  Lipocarpha occidentalis H. L. Mason 1937-7-21 11557 Tuolumne Miguel Meadows 1645 Comment
  CAS-BOT-BC113399  Eleocharis engelmannii Herbert L. Mason 1940-7-6 12314 Tuolumne Miguel Meadows, west of Hetch Hetchy, Yosemite National Park 1584 Comment
  CAS-BOT-BC113543  Eleocharis bella Herbert L. Mason 1940-7-6 12313 Tuolumne Miguel Meadows; west of Hetch Hetchy. 1584 Comment
  CAS-BOT-BC113544  Eleocharis bella Herbert L. Mason 1938-7-11 11930 Tuolumne Miguel Meadows; west of Hetch Hetchy. 1584 Comment
  CAS-BOT-BC113545  Eleocharis bella Herbert L. Mason 1938-7-11 11930 Tuolumne Miguel Meadows; west of Hetch Hetchy. 1584 Comment
  CAS-BOT-BC114959  Carex whitneyi H. L. Mason 1938-7-30 12055 Tuolumne South end of Tiltill Mountain 2590 Comment
  CAS-BOT-BC118797  Carex preslii H. L. Mason 1938-7-30 12059 Tuolumne S end of Tiltill Mountain. 2590 Comment
  CAS-BOT-BC118798  Carex preslii H. L. Mason 1938-7-30 12059 Tuolumne S end of Tiltill Mountain. 2590 Comment
  CAS-BOT-BC118799  Carex preslii H. L. Mason 1938-7-25 11987 Tuolumne Deep Lake, S base of Mahan Peak, Jack Main Canyon. 2438 Comment
  CAS-BOT-BC118800  Carex preslii H. L. Mason 1938-7-28 12043 Tuolumne Macomb Ridge E of Tilden Lake. 3048 Comment
  CAS-BOT-BC125921  Salix planifolia H. L. Mason 1922-7-31 337 Tuolumne Lyell Fork of Tuolumne River 2438 Comment
  CAS-BOT-BC125929  Salix planifolia H. L. Mason 1923-7-30 672 Tuolumne Lyell Fork of the Tuolumne River Comment
  CAS-BOT-BC126859  Dodecatheon alpinum Herbert L. Mason 1922-8-20 342 Tuolumne Dog Lake, Moraine Flat, Tuolumne Meadows Comment
  CAS-BOT-BC126860  Dodecatheon alpinum Herbert L. Mason 1923-8-2 702 Tuolumne Upper Lake, headwaters of Unicorn Creek, Yosemite National Park Comment
  CAS-BOT-BC126861  Dodecatheon alpinum Herbert L. Mason 1922-8-25 349 Tuolumne Dana fork - Tuolumne River; Tuolumne Meadows, Yosemite National Park Comment
  CAS-BOT-BC13295  Agoseris parviflora Herbert L. Mason 1936-7-27 11371 Tuolumne Gaylor Lakes west of Tioga Pass 3200 Comment
  CAS-BOT-BC135278  Phoradendron juniperinum Herbert L. Mason 1925-7-12 2156 Tuolumne Hog Ranch, Mather, Sierra Nevada Comment
  CAS-BOT-BC135926  Brasenia schreberi Herbert L. Mason 1936-7-15 11246 Tuolumne Margin of pool 1/2 mile west of Mather 1371 Comment
  CAS-BOT-BC135927  Brasenia schreberi Herbert L. Mason 1937-7-22 11600 Tuolumne Swamp Lakes, just south of Miguel meadows, west of Hetch Hetchy Dam - Yosemite National Park 1584 Comment
  CAS-BOT-BC135928  Brasenia schreberi Herbert L. Mason 1939-7-11 12126 Tuolumne Swamp Lake, just south of Miguel Meadows, west of Hetch Hetchy Dam - Yosemite National Park 1584 Comment
  CAS-BOT-BC13981  Boechera lemmonii H. L. Mason 1936-7-24 11326 Tuolumne Sierra Nevada. Mount Conness Range, White Mountain. Comment
  CAS-BOT-BC140232  Ivesia santolinoides Herbert L. Mason 1938-7-28 12039 Tuolumne Macomb Ridge east of Tilden Lake; Sierra Nevada, Yosemite National Park 3048 Comment
  CAS-BOT-BC142861  Ivesia muirii H. L. Mason 1923-8-2 700 Tuolumne Johnson's Peak, near headwaters of Unicorn Creek Comment
  CAS-BOT-BC142862  Ivesia muirii H. L. Mason 1936-7-23 11295 Tuolumne Mount Conness - Sierra Nevada 3505 Comment
  CAS-BOT-BC14289  Boechera pinetorum H. L. Mason 1922-8-20 344 Tuolumne Sierra Nevada Mountains. Yosemite National Park. Tuolumne Meadows. Lamberts Dome. 2743 Comment
  CAS-BOT-BC143210  Potentilla breweri Herbert L. Mason 1923-8-7 723 Tuolumne Dana Fork of the Tuolumne River, Yosemite National Park, Sierra Nevada Comment
  CAS-BOT-BC143274  Potentilla flabellifolia H. L. Mason 1923-8-7 720 Tuolumne Dana Fork of Tuolumne River Comment
  CAS-BOT-BC151530  Erythranthe laciniata Herbert L. Mason 1938-7-25 12004 Tuolumne Deep Lake, south base of Mahan Peak, Jack Main Canyon - Sierra Nevada, Yosemite National Park 2438 Comment
  CAS-BOT-BC153477  Diplacus layneae Herbert L. Mason 1938-7-22 11964 Tuolumne Vernon Lake Trail, north of Hetch Hetchy, Sierra Nevada, Yosemite National Park 2072 Comment
  CAS-BOT-BC157579  Solanum umbelliferum H. L. Mason 1938-7-24 11985 Tuolumne Southwest end of Moraine Ridge, west of Vernon Lake; Sierra Nevada; Yosemite National Park 2286 Comment
  CAS-BOT-BC16174  Boechera davidsonii Herbert L. Mason 1938-7-25 12007 Tuolumne SIerra Nevada. Yosemite National Park. Slopes of Mahan Peak. 2590 Comment
  CAS-BOT-BC163624  Clarkia biloba subsp. biloba H. L. Mason 1925-6-27 2123 Tuolumne Hog Ranch, near Mather Comment
  CAS-BOT-BC165822  Clarkia williamsonii H. L. Mason 1925-7-4 2149 Tuolumne Near Mather Comment
  CAS-BOT-BC168400  Eremogone kingii Herbert L. Mason 1938-7-26 12019 Tuolumne Andrews Peak, south of Jack Main Meadows - Yosemite National Park, Sierra Nevada 2438 Comment
  CAS-BOT-BC18169  Bulbostylis capillaris H. L. Mason 1938-7-6 11858 Tuolumne Yosemite National Park. Dry ridge between Swamp Lake and Miguel Meadow. 1645 Comment
  CAS-BOT-BC18171  Bulbostylis capillaris H. L. Mason 1938-7-11 11934 Tuolumne Yosemite National Park. Miguel Meadow, west of Hetch Hetchy. 1584 Comment
  CAS-BOT-BC18174  Bulbostylis capillaris H. L. Mason 1938-7-6 11858 Tuolumne Yosemite National Park. Dry ridge between Swamp Lake and Miguel Meadow. 1645 Comment
  CAS-BOT-BC19875  Carex echinata subsp. echinata H. L. Mason 1938-7-10 11922 Tuolumne Yosemite National Park. South Island in Swamp Lake, west of Hetch Hetchy. 1584 Comment
  CAS-BOT-BC200437  Trisetum spicatum Herbert L. Mason 1936-7-24 11342 Tuolumne Whtie Mountain, Conness Range Comment
  CAS-BOT-BC20062  Carex echinata H. L. Mason 1938-7-10 11922 Tuolumne Yosemite National Park. South island in Swamp Lake, west of Hetch Hetch. 1584 Comment
  CAS-BOT-BC20153  Carex feta H. L. Mason 1938-7-9 11893 Tuolumne Yosemite National Park. Swamp Lake, west of Hetch Hetchy. 1584 Comment
  CAS-BOT-BC202720  Aesculus californica Herbert L. Mason 1925-6-27 2129 Tuolumne Tuolumne Canyon, near Mather 1371 Comment
  CAS-BOT-BC203158  Vitis californica Herbert L. Mason 1925-6-29 2138 Tuolumne Lake Eleonor 1219 Comment
  CAS-BOT-BC20832  Carex multicostata H. L. Mason 1938-7-30 12058 Tuolumne Yosemite National Park. South end of Tiltill Mountain. 2590 Comment
  CAS-BOT-BC208941  Dichanthelium acuminatum subsp. acuminatum Herbert L. Mason 1938-7-22 11968 Tuolumne Vernon Trail Lake, north of Hetch Hetchy Valley - Yosemite Natonal Park, Sierra Nevada 1981 Comment
  CAS-BOT-BC213877  Elymus sierrae Herbert L. Mason 1938-7-28 12029 Tuolumne Macomb Ridge, north of Tiltill Mt. - Yosemite National Park, Sierra Nevada 3017 Comment
  CAS-BOT-BC215683  Lycopus uniflorus Herbert L. Mason; L. W. Reinecke 1937-7-22 11589 Tuolumne Swamp Lake, just south of Miguel Meadows, just west of Hetch Hetchy Dam, Yosemite National Park 1584 Comment
  CAS-BOT-BC228511  Elymus elymoides Herbert L. Mason 1936-7-24 11333 Tuolumne White Mountain, Conness Range, Sierra Nevada Comment
  CAS-BOT-BC229111  Cistanthe umbellata H. L. Mason 1936-7-23 11310 Tuolumne Alpine slopes of Mount Conness, Sierra Nevada Comment
  CAS-BOT-BC231294  Polemonium pulcherrimum H. L. Mason 1936-7-24 11328 Tuolumne White Mountain, Mount Conness Range 3505 Comment
  CAS-BOT-BC232708  Navarretia pubescens Herbert L. Mason 1936-5-15 11103 Tuolumne Yosemite Junction Comment
  CAS-BOT-BC240411  Lonicera cauriana Herbert L. Mason 1925-8-12 2222 Tuolumne Along the banks of the Lyell fork, Tuolumne River Comment
  CAS-BOT-BC252925  Eriogonum incanum Herbert L. Mason 1938-7-28 12032 Tuolumne Macomb Ridge north of Tiltill Mountain, Yosemite National Park, Sierra Nevada 3017 Comment
  CAS-BOT-BC255205  Poa pratensis Herbert L. Mason 1936-7-24 11331 Tuolumne White Mountain, Conness Range, Sierra Nevada Comment
  CAS-BOT-BC261383  Eriogonum nudum var. deductum Herbert L. Mason 1925-7-29 2181 Tuolumne Mather Comment
  CAS-BOT-BC261387  Eriogonum nudum var. deductum Herbert L. Mason 1938-7-28 12027 Tuolumne Sierra Nevada, Yosemite National Park. Macomb Ridge, north of Tiltill Mountain 3017 Comment
  CAS-BOT-BC265315  Penstemon davidsonii var. davidsonii Herbert L. Mason 1936-7-23 11291 Tuolumne Slope of Mount Conness 3505 Comment
  CAS-BOT-BC267233  Potamogeton robbinsii Herbert L. Mason 1938-7-6 11857 Tuolumne Yosemite National Park. Swamp Lake, W of Hetch Hetchy 1584 Comment
  CAS-BOT-BC267234  Potamogeton robbinsii Herbert L. Mason 1958-8-9 14847 Tuolumne Yosemite National Park. Swamp Lake, W of Hetch Hetchy 1584 Comment
  CAS-BOT-BC267667  Eriogonum roseum Herbert L. Mason 1925-7-29 2180 Tuolumne Mather Comment
  CAS-BOT-BC270185  Viola adunca H. L. Mason 1925-7-16 2170 Tuolumne Hog Ranch, near Mather Comment
  CAS-BOT-BC271958  Eriogonum spergulinum var. spergulinum H. L. Mason 1928-7-4 4871 Tuolumne Tuolumne Meadows Comment
  CAS-BOT-BC282770  Glyceria elata Herbert L. Mason 1939-7-12 12133 Tuolumne Vicinity of Swamp Lake west of Hetch Hetchy Valley, Yosemite National Park, Sierra Nevada 1645 Comment
  CAS-BOT-BC28404  Carex lenticularis var. lipocarpa Herbert L. Mason 1938-7-10 11919 Tuolumne South island in Swamp Lake, W of Hetch Hetchy. 1584 Comment
  CAS-BOT-BC291532  Crepis intermedia Herbert L. Mason 1936-7-27 11395 Tuolumne Gaylor Lakes, Yosemite National Park Comment
  CAS-BOT-BC294817  Erigeron breweri var. breweri Herbert L. Mason 1938-7-22 11977 Tuolumne Sierra Nevada, Yosemite National Park. Beehive, north of Hetch Hetchy Dam 1981 Comment
  CAS-BOT-BC297197  Erigeron coulteri Herbert L. Mason 1937-7-28 14845 Tuolumne Northeast side of Mary Lake near Saurian Crest, Yosemite National Park 2895 Comment
  CAS-BOT-BC297198  Erigeron coulteri Herbert L. Mason 1937-7-30 14816 Tuolumne Saurian Crest above Mary Lake, Yosemite National Park, Sierra Nevada 3352 Comment
  CAS-BOT-BC31324  Carex lenticularis var. impressa H. L. Mason 1938-7-10 11919 Tuolumne South island in Swamp Lake, west of Hetch Hetchy. Yosemite National Park. 1584 Comment
  CAS-BOT-BC31514  Carex limosa H. L. Mason 1938-7-10 11906 Tuolumne South island in Swamp Lake, west of Hetch Hetchy. Yosemite National Park. 1584 Comment
  CAS-BOT-BC31515  Carex limosa H. L. Mason 1938-7-10 11906 Tuolumne South island in Swamp Lake, west of Hetch Hetchy. Yosemite National Park. 1584 Comment
  CAS-BOT-BC31517  Carex limosa H. L. Mason; L. Reinecke 1937-7-22 11604 Tuolumne Swamp Lakes, just S of Miguel Meadows, W of Hetch Hetchy Dam. Yosemite National Park. 1584 Comment
  CAS-BOT-BC325487  Packera werneriifolia Herbert Louis Mason 1936-7-24 11329 Tuolumne White Mountain, Mount Conness Range, Sierra Nevada. 3505 Comment
  CAS-BOT-BC325493  Packera werneriifolia Herbert Louis Mason 1936-7-24 11329 Tuolumne White Mountain, Mount Conness Range, Sierra Nevada. 3505 Comment
  CAS-BOT-BC337956  Lasthenia californica H. L. Mason 1936-4-13 11085 Tuolumne Italian Bar Comment
  CAS-BOT-BC34364  Carex congdonii H. L. Mason 1938-7-28 12046 Tuolumne Yosemite National Park. Macomb Ridge, east of Tilden Lake. 3048 Comment
  CAS-BOT-BC34365  Carex congdonii H. L. Mason 1938-7-28 12046 Tuolumne Yosemite National Park. Macomb Ridge, east of Tilden Lake. 3048 Comment
  CAS-BOT-BC34387  Carex cusickii H. L. Mason 1938-7-10 11923 Tuolumne Yosemite National Park. South island in Swamp Lake, west of Hetch Hetchy. 1584 Comment
  CAS-BOT-BC34388  Carex cusickii H. L. Mason 1938-7-10 11932 Tuolumne Yosemite National Park. South island in Swamp Lake, west of Hetch Hetchy. 1584 Comment
  CAS-BOT-BC348645  Micropus californicus var. californicus H. L. Mason 1936-4-13 11090 Tuolumne Italian Bar Comment
  CAS-BOT-BC34918  Carex deflexa var. boottii H. L. Mason 1938-7-25 11997 Tuolumne Yosemite National Park. Deep Lake, south base of Mahan Peak, Jack Main Canyon. 2438 Comment
  CAS-BOT-BC349852  Lactuca tatarica subsp. pulchella Herbert L. Mason 1940-7-6 12316 Tuolumne Yosemite National Park. Miguel Meadows 1584 Comment
  CAS-BOT-BC349853  Lactuca tatarica subsp. pulchella Herbert L. Mason 1940-7-6 12316 Tuolumne Yosemite National Park. Miguel Meadows 1584 Comment
  CAS-BOT-BC349854  Lactuca tatarica subsp. pulchella Herbert L. Mason 1938-8-1 12069 Tuolumne Sierra Nevada, Yosemite National Park. Meadow in Tiltill Valley 1676 Comment
  CAS-BOT-BC362884  Raillardella scaposa Herbert L. Mason 1938-7-28 12028 Tuolumne Sierra Nevada, Yosemite National Park. Macomb Ridge east of Tilden Lake 3048 Comment
  CAS-BOT-BC364779  Sericocarpus oregonensis subsp. californicus Herbert L. Mason 1937-7-21 11556 Tuolumne Sierra Nevada, Yosemite National Park. Miguel Meadow, west of Hetch Hetchy 1584 Comment
  CAS-BOT-BC383287  Wyethia angustifolia Herbert L. Mason 1938-7-22 11979 Tuolumne Sierra Nevada, Yosemite National Park. Vernon Lake Trail, north of Hetch Hetchy 2072 Comment
  CAS-BOT-BC399731  Thalictrum fendleri Herbert L. Mason 1936-7-27 11367 Tuolumne Sierra Nevada, Yosemite National Park. Gaylor Lakes west of Tioga Pass 3200 Comment
  CAS-BOT-BC399916  Thalictrum sparsiflorum H. L. Mason 1923-8-1 680 Tuolumne Lyell Fork, Sierra Nevada Mountains Comment
  CAS-BOT-BC401550  Drosera rotundifolia Herbert L. Mason 1938-7-6 11853 Tuolumne Sierra Nevada, Yosemite National Park. Swamp Lake, west of Hetch Hetchy 1584 Comment
  CAS-BOT-BC402595  Dicentra uniflora Herbert L. Mason 1938-7-28 12024 Tuolumne Sierra Nevada, Yosemite National Park. Macomb Ridge east of Tilden Lake 3048 Comment
  CAS-BOT-BC402596  Dicentra uniflora Herbert L. Mason 1936-7-27 11385 Tuolumne Sierra Nevada, Yosemite National Park. Gaylor Lakes west of Tioga Pass 3200 Comment
  CAS-BOT-BC407766  Arceuthobium abietinum Herbert L. Mason 1924-6-26 1101 Tuolumne Ridge north of Middle Fork near Mather, Yosemite National Park Comment
  CAS-BOT-BC413676  Persicaria amphibia Herbert L. Mason 1937-7-22 11616 Tuolumne Swamp Lakes, just west of Hetch Hetchy Dam and south of MIguel Meadows, Yosemite National Park 1584 Comment
  CAS-BOT-BC418600  Polygonum minimum Herbert L. Mason 1938-7-22 11966 Tuolumne Sierra Nevada, Yosemite National Park. Vernon Lake Trail, north of Hetch Hetchy 2072 Comment
  CAS-BOT-BC436725  Luzula comosa var. laxa Herbert L. Mason; Lawrence W. Reinecke 1937-7-22 11608 Tuolumne Yosemite National Park, Swamp Lakes, just W of Hetch Hetchy Dam and S of Miguel Meadow 1584 Comment
  CAS-BOT-BC439818  Claytonia perfoliata H. L. Mason 1925-7-27 2177 Tuolumne Hog Ranch, Mather Comment
  CAS-BOT-BC444377  Lewisia pygmaea H. L. Mason 1936-7-23 11283 Tuolumne Slopes of Mount Conness, Sierra Nevada Comment
  CAS-BOT-BC445030  Montia fontana Herbert L. Mason 1940-7-6 12320 Tuolumne Sierra Nevada, Yosemite National Park. Miguel Meadow, west of Hetch Hetchy Dam 1584 Comment
  CAS-BOT-BC47840  Ceanothus cordulatus Herbert L. Mason 1925-8-1 2211 Tuolumne Tuolumne Grove Big Trees Comment
  CAS-BOT-BC51002  Ceanothus integerrimus Herbert L. Mason 1923-7-9 575 Tuolumne Mather Comment
  CAS-BOT-BC51003  Ceanothus integerrimus Herbert L. Mason 1923-7-14 596 Tuolumne Mather Comment
  CAS-BOT-BC51004  Ceanothus integerrimus Herbert L. Mason 1925-6-27 2125 Tuolumne Mather Comment
  CAS-BOT-BC51016  Ceanothus integerrimus Herbert L. Mason 1923-7-14 596 a Tuolumne Mather Comment
  CAS-BOT-BC51017  Ceanothus integerrimus Herbert L. Mason 1923-7-9 575 a Tuolumne Mather Comment
  CAS-BOT-BC56282  Gaultheria humifusa Herbert L. Mason 1936-8-30 14820 Tuolumne Tilden Lake 2926 Comment
  CAS-BOT-BC59246  Antennaria corymbosa H. L. Mason 1923-7-30 675 Tuolumne Lyell Fork of the Tuolumne River Comment
  CAS-BOT-BC59557  Frangula rubra subsp. rubra Herbert L. Mason 1938-7-25 12003 Tuolumne Deep Lake, south base of Mahan Peak, Jack Main Canyon, Sierra Nevada, Yosemite National Park 2438 Comment
  CAS-BOT-BC77324  Antennaria media Herbert L. Mason 1936-7-24 11344 Tuolumne White Mountain, Conness Range 3596 Comment
  CAS-BOT-BC9342  Carex feta Herbert L. Mason 1958-8-9 14854 Tuolumne Sierra Nevada, Yosemite National Park. Swamp Lake, west of Hetch Hetchy Dam 1584 Comment
  HSC17128  Navarretia divaricata H. L. Mason 1941-7-12 12478 Tuolumne Miguel Meadows, Yosemite National Park Comment
  HSC5891  Lactuca tatarica subsp. pulchella H. L. Mason 1940-7-6 12316 Tuolumne Miguel Meados 1585 Comment
  JEPS121  Mimulus torreyi H. L. Mason 1923-7-14 594 Tuolumne Mather Comment
  JEPS19312  Veronica scutellata Herbert L. Mason 1939-7-11 12124 Tuolumne 1/2 mi below Swamp Lake (w of Hetch Hetchy, Yosemite National Park); Sierra Nevada, Yosemite National Park 1584 Comment
  JEPS21877  Utricularia minor Herbert L. Mason 1938-7-9 11888 Tuolumne w. Hetch Hetchy Dam (just s. of Miguel Meadows, Swamp Lake); Yosemite Nat'l Park, Swamp Lake 1584 Comment
  JEPS21885  Utricularia gibba Herbert L. Mason 1938-7-6 11854 Tuolumne w. Hetch Hetchy Dam (just s. of Miguel Meadows, Swamp Lake); Yosemite Nat'l Park, Swamp Lake 1584 Comment
  JEPS21889  Utricularia macrorhiza Herbert L. Mason and L. W. Reinecke 1937-7-22 11594 Tuolumne w. Hetch Hetchy Dam (just s. of Miguel Meadows, Swamp Lake); Yosemite Nat'l Park, Swamp Lake 1584 Comment
  JEPS21924  Erigeron linearis Herbert L. Mason 1923-8-9 743 Tuolumne ridge e of 2nd Gaylor Lake (near Tioga Mines); Yosemite National Park Comment
  JEPS23180  Castilleja lacera Herbert L. Mason 1940-7-6 12318 Tuolumne w of Hetch Hetchy Dam; Yosemite National Park, Miguel Meadows 1584 Comment
  JEPS23181  Gratiola ebracteata Herbert L. Mason 1940-7-7 12330 Tuolumne w Hetch Hetchy Dam (Miguel Meadow, Yosemite National Park); Yosemite National Park, w of Hetch Hetchy Dam, Miguel Meadow 1584 Comment
  JEPS26948  Packera werneriifolia H. L. Mason 1922-8-2 341 Tuolumne Mt. Dana Sierra Nevada Mountains, Yosemite National Park 3657 Comment
  JEPS45765  Elatine triandra Herbert L. Mason 1923-7-15 608 Tuolumne 2 mi w Mather (Slat Log meadow) Comment
  JEPS50859  Chlorogalum pomeridianum var. pomeridianum H. L. and L. R. Mason 1967-5-20 Tuolumne Chinese Camp Comment
  JEPS53156  Boechera pinetorum H. L. Mason 1922-8-20 344 Tuolumne Lambert Dome Sierra Nevada Mountains, Yosemite National Park, Tuolumne Me 2743 Comment
  NY114251  Arabis lemmonii var. depauperata H. L. Mason 1936-7-24 11326 Tuolumne White Mountain, Mount Conness Range, Sierra Nevada Comment
  POM256411  Bulbostylis capillaris H. L. Mason 1938-7-6 11858 Tuolumne Between Swamp Lake and Miguel Meadow. 1646 Comment
  POM256521  Carex cusickii H. L. Mason 1938-7-10 11923 Tuolumne South island in Swamp Lake, west of Hetch Hetchy, 1585 Comment
  POM257230  Lipocarpha occidentalis H. L. Mason 1938-7-10 11904 Tuolumne Miguel Meadow, west of Hetch-Hetchy. Yosemite National Park. 1585 Comment
  POM257236  Eriogonum spergulinum H. L. Mason 1928-7-4 4871 Tuolumne Common on granite soil flats near streams; Tuolumne Meadows. Comment
  POM264399  Allophyllum integrifolium H. L. Mason 1941-7-12 12479 Tuolumne Miguel Meadow, west of Hetch Hetchy Valley, Yosemite National Park Comment
  POM270508  Aquilegia pubescens H. L. Mason 1923-7-31 678 Tuolumne Dana Fork, Sierra Nevada Mtns Comment
  POM310912  Navarretia divaricata H. L. Mason 1941-7-12 12478 Tuolumne Miguel Meadows, Yosemite National Park Comment
  POM312895  Juncus oxymeris H. L. Mason 1937-7-21 11584 Tuolumne Miguel Meadows, ca, 3 miles northwest of Hetch Hetchy Dam. Yosemite National Park. 1585 Comment
  POM312920  Luzula spicata H. L. Mason 1936-7-27 11390 Tuolumne Gaylor Lakes, Yosemite National Park. 3049 Comment
  POM312921  Luzula comosa var. laxa H. L. Mason 1937-7-21 11580 Tuolumne Miguel Meadows, ca, 3 miles northwest of Hetch Hetchy Dam. Yosemite National Park. 1585 Comment
  POM312962  Sparganium angustifolium H. L. Mason 1922-8-19 359 Tuolumne Dog Lake, Tuolumne Meadows, Yosemite National Park. 2744 Comment
  RSA101694  Keckiella breviflora H. L. Mason 1925-6-24 2105 Tuolumne Mather. 1433 Comment
  RSA23336  Carex cusickii H. L. Mason 1938-7-10 11923 Tuolumne South island in Swamp Lake, west of Hetch Hetchy, 1585 Comment
  RSA77752  Viola adunca H. L. Mason 1923-7-9 579 Tuolumne Mather. Comment
  SBBG27950  Bulbostylis capillaris H. L. Mason 1938-7-6 11858 Tuolumne ridge between Swamp Lake and Miguel Meadow 1645 Comment
  SBBG28059  Allophyllum integrifolium H. L. Mason 1941-7-12 12479 Tuolumne Miguel Meadow, W of Hetch Hetchy Valley Comment
  SBBG30032  Rotala ramosior H. L. Mason 1936-7-15 11256 Tuolumne 0.5 mi W of Mather 1371 Comment
  SBBG64461  Allophyllum glutinosum H. L. Mason 1941-7-12 12479 Tuolumne Miguel Meadow, W of Hetch Hetchy Valley Comment
  SEINET10707309  Carex preslii Herbert L. Mason 1938-7-25 Mason 11987 Tuolumne Deep Lake, south base of Mahan Peak, Jack Main Canyon. 2438 Comment
  SEINET186015  Cyperus squarrosus Herbert L. Mason 1938-7-10 11903 Tuolumne Yosemite National Park ; Miguel Meadow W of Hetch-Hetchy. 1585 Comment
  SEINET186029 Image available Dodecatheon jeffreyi H. L. Mason 1936-7-10 11197 Tuolumne Yosemite National Park; Lukens Lake. 2560 Comment
  SEINET196215  Navarretia divaricata Herbert L. Mason 1941-7-12 12480 a Tuolumne Yosemite National Park; Miguel Meadows, Yosemite National Park 1890 Comment
  SEINET197688  Navarretia divaricata H. L. Mason 1941-7-12 12478 Tuolumne Yosemite National Park; Miguel Meadows, Yosemite National Park Comment
  SEINET244132 Image available Arnica cordifolia H. L. Mason 1923-8-6 718 Tuolumne Dana Fork Comment
  SEINET3026080  Montia fontana Herbert L. Mason 1940-7-6 12320 Tuolumne Miguel Meadow, west of Hetch Hetchy Dam. 1580 Comment
  SEINET3224986 Image available Linum digynum Herbert L. Mason 1925-6-28 2130 Tuolumne Hog Ranch, Mather 1430 Comment
  SEINET5764341 Image available Chenopodium botrys Herbert L. Mason 1925-1 s.n. Tuolumne Mather Comment
  UC1014772  Dodecatheon jeffreyi H. L. Mason 1923-8-1 684 Tuolumne trail from Tuolumne Meadows to Elizabeth Lake; Yosemite National Park Comment
  UC1014774  Dodecatheon jeffreyi H. L. Mason 1922-8-1 339 Tuolumne Tuolumne Meadows Sierra Nevada Mountains, Yosemite National Park (Yosemite National Park) Comment
  UC1014775  Dodecatheon jeffreyi H. L. Mason 1922-8-25 350 Tuolumne Tuolumne Meadows Sierra Nevada Mountains, Yosemite National Park (Yosemite National Park) Comment
  UC1014776  Dodecatheon jeffreyi H. L. Mason 1923-8-1 685 Tuolumne along trail from Tuolumne Meadows to Elizabeth Lake (Yosemite National Park); Sierra Nevada Mountains, Yosemite National Park Comment
  UC1025271  Draba lemmonii var. lemmonii Herbert L. Mason 1936-7-24 11345 Tuolumne alpine slopes of White Mountain Sierra Nevada Comment
  UC1025274  Draba lemmonii var. lemmonii Herbert L. Mason 1936-7-23 11298 Tuolumne slopes of Mount Conness Sierra Nevada, slopes of Mount Conness 3505 Comment
  UC1025276  Draba breweri Herbert L. Mason 1936-7-24 11321 Tuolumne White Mountain Sierra Nevada Comment
  UC1025277  Draba albertina Herbert L. Mason 1936-7-24 11350 Tuolumne alpine slopes of White Mountain Sierra Nevada Comment
  UC1025278  Draba breweri Herbert L. Mason 1936-7-23 11277 Tuolumne Mount Conness Sierra Nevada Comment
  UC1025282  Draba breweri Herbert L. Mason 1936-7-24 11336 A Tuolumne White Mountain Sierra Nevada, Conness Range Comment
  UC1025283  Draba densifolia Herbert L. Mason 1936-7-24 11336 B Tuolumne slopes of White Mountain Sierra Nevada, Conness Range Comment
  UC1025284  Draba oligosperma var. oligosperma Herbert L. Mason 1936-7-24 11336 C Tuolumne slopes of White Mountain Sierra Nevada, Conness Range Comment
  UC1025286  Draba lemmonii var. lemmonii H. L. Mason 1936-7-24 11349 Tuolumne alpine slopes of White Mountain Sierra Nevada, White Mountain Comment
  UC1039508  Kelloggia galioides Herbert L. Mason 1923-7-17 600 Tuolumne Mather 1432 Comment
  UC1039513  Galium bifolium Herbert L. Mason 1925-8-11 2222 b Tuolumne Morraine Flat Tuolumne Meadows 2743 Comment
  UC1039526  Galium trifidum var. pacificum Herbert L. Mason 1938-7-10 11907 Tuolumne South Island Yosemite National Park, Swamp Lake Comment
  UC1039527  Galium bolanderi Herbert L. Mason 1938-7-10 11921 Tuolumne s shore Swamp Lake (s Tuolumne Co.); Yosemite National Park Comment
  UC1039528  Galium sparsiflorum Herbert L. Mason 1938-7-10 11921 a Tuolumne s shore Yosemite National Park, Swamp Lake Comment
  UC1039539  Dodecatheon alpinum H. L. Mason 1923-8-6 714 Tuolumne Yosemite National Park , Yosemite National Park (Sierra Nevada Mountains) Comment
  UC1039540  Dodecatheon jeffreyi H. L. Mason 1922-8-22 346 Tuolumne Tuolumne Meadows Sierra Nevada Mountains, Yosemite National Park Comment
  UC1039560  Dodecatheon jeffreyi H. L. Mason 1922-8-1 Tuolumne Parsons Lodge Sierra Nevada Mountains, Yosemite National Park (Tuolumne Meadows) Comment
  UC1039562  Dodecatheon jeffreyi H. L. Mason 1923-8-9 740 Tuolumne Gaylor Lakes Sierra Nevada Mountains, Yosemite National Park Comment
  UC1039563  Dodecatheon jeffreyi H. L. Mason 1922-8-1 339 Tuolumne Tuolumne Meadows Sierra Nevada Mountains, Yosemite National Park Comment
  UC1039564  Dodecatheon jeffreyi H. L. Mason 1923-8-1 684 Tuolumne trail from Tuolumne Meadows to Elizabeth Lake (Yosemite National Park); Sierra Nevada Mountains, Yosemite National Park Comment
  UC1039577  Dodecatheon jeffreyi H. L. Mason 1922-8-25 350 Tuolumne Tuolumne Meadows Sierra Nevada Mountains, Yosemite National Park (Yosemite National Park) Comment
  UC1039578  Dodecatheon jeffreyi H. L. Mason 1922-8-22 345 Tuolumne Tuolumne Meadows Sierra Nevada Mountains, Yosemite National Park Comment
  UC1039583  Dodecatheon jeffreyi H. L. Mason 1923-8-1 685 Tuolumne along trail from Tuolumne Meadows to Elizabeth Lake (Yosemite National Park); Sierra Nevada Mountains, Yosemite National Park Comment
  UC1039593  Phoradendron villosum H. L. Mason 1925-7-15 2161 Tuolumne Mather Sierra Nevada Mts., Yosemite Nat'l Park, Mather Comment
  UC1039594  Phoradendron libocedri Herbert L. Mason 1925-7-12 2156 Tuolumne Yosemite Nat'l Park, Mather, Hog Ranch Sierra Nevada, Yosemite Nat'l Park, Mather, Hog Ranch Comment
  UC1039595  Phoradendron libocedri H. L. Mason 1923-9-19 766 Tuolumne Yosemite Nat'l Park, Mather Station Sierra Nevada Mts., Yosemite Nat'l Park, Mather Station Comment
  UC1039613  Cypripedium montanum Herbert L. Mason 1940-7-7 12326 Tuolumne s Miguel Meadow; Yosemite National Park, Poison Meadow Comment
  UC1039615  Piperia transversa Herbert L. Mason 1940-7-7 12328 Tuolumne s of Miguel Meadow; Sierra Nevada, Yosemite National Park, Poison Meadow Comment
  UC1039622  Trillium angustipetalum Herbert L. Mason 1940-7-7 12327 Tuolumne s. of Miguel Meadow and Swamp Lake (Poison Meadow); Poison Meadow Comment
  UC1039623  Castilleja tenuis Herbert L. Mason 1940-7-7 12322 Tuolumne s of Miguel Meadow and Swamp Lake (Poison Meadow); Yosemite National Park, Poison Meadow Comment
  UC1039786  Castilleja nana H. L. Mason 1923-8-2 705 Tuolumne headwaters of the Unicorn Creek Sierra Nevada, Yosemite National Park, Tuolumne River (a tributary of the Tuolumne River, low ridge w of lakes) Comment
  UC1039788  Castilleja miniata H. L. Mason 1923-8-6 713 Tuolumne island of Lyell Fork of Tuolumne River Lyell Fork of Tuolumne River; Tuolumne River Comment
  UC1039789  Castilleja miniata H. L. Mason 1925-7-29 2186 Tuolumne Hog Ranch, Mather; Mather Comment
  UC1039993  Crepis acuminata Herbert L. Mason 1938-7-7 11873 Tuolumne Brecca ridge between Swamp Lake and Hetch-Hetchy; Yosemite National Park 1981 Comment
  UC1039997  Lupinus covillei Herbert L. Mason 1936-7-22 11261 Tuolumne n Tuolumne Meadows (Delaney Creek, Yosemite National Park); Sierra Nevada, Yosemite National Park, Delaney Creek 2987 Comment
  UC1039999  Saxifraga aprica H. L. Mason 1936-7-27 11393 Tuolumne Gaylor Lakes w of Tioga Pass; Sierra Nevada, Yosemite National Park, Gaylor Lakes 3200 Comment
  UC1040000  Mimulus layneae Herbert L. Mason 1937-7-21 11559 Tuolumne n Hetch Hetchy; Sierra Nevada, Yosemite National Park, Miguel Meadows Comment
  UC1056292  Stellaria longipes var. longipes Herbert L. Mason 1940-7-7 12324 Tuolumne s of Miguel Meadow (Poison Meadow); Sierra Nevada, Yosemite National Park, Poison Meadow Comment
  UC1056294  Potamogeton foliosus Herbert L. Mason 1939-7-13 12141 Tuolumne Miguel Meadow, South Tuoulumne County Miguel Meadow Comment
  UC1056295  Carex buxbaumii Herbert L. Mason 1939-7-11 12115 Tuolumne marsh 1/2 mi below Swamp Lake; Yosemite National Park 1554 Comment
  UC1056296  Juncus macrandrus Herbert L. Mason 1939-7-11 12113 Tuolumne 0.5 mi below Swamp Lake (s Tuolumne County); Yosemite National Park 1554 Comment
  UC1056297  Carex utriculata Herbert L. Mason 1939-7-11 12114 Tuolumne marsh 1/2 mi below Swamp Lake; Yosemite National Park 1554 Comment
  UC1056298  Carex feta Herbert L. Mason 1939-7-11 12116 Tuolumne marsh 1/2 mi below Swamp Lake Comment
  UC1056299  Downingia montana Herbert L. Mason 1940-7-7 12323 Tuolumne s of Miguel Meadow and Swamp Lake; Yosemite National Park, Poison Meadow Comment
  UC1056423  Gayophytum racemosum Herbert L. Mason 1938-7-29 12051 Tuolumne w Tower Peak; Yosemite National Park, Saurian Crest 3200 Comment
  UC1056425  Lewisia triphylla Herbert L. Mason 1936-7-15 11246 Tuolumne 1/2 mi w Mather; Sierra Nevada 1371 Comment
  UC1056428  Lewisia triphylla Herbert L. Mason 1936-7-10 11192 Tuolumne se White Wolf (Lukens Lake); Sierra Nevada, Yosemite National Park, Lukens Lake 2560 Comment
  UC1056431  Lithophragma glabrum H. L. Mason 1936-7-27 11394 Tuolumne Gaylor Lakes w Tioga Pass; Sierra Nevada, Yosemite National Park, Gaylor Lakes 3200 Comment
  UC1056435  Silene californica H. L. Mason 1936-3-20 11003 Tuolumne three mi above Tuolumne; above Tuolumne Comment
  UC1056443  Epilobium obcordatum Herbert L. Mason 1938-7-30 Tuolumne Tower Peak Sierra Nevada, Yosemite National Park (near summit) Comment
  UC1056444  Cryptantha glomeriflora Herbert L. Mason 1936-7-27 11386 Tuolumne w of Tioga Pass; Sierra Nevada, Yosemite National Park, Gaylor Lakes 3200 Comment
  UC1056447  Dicentra uniflora Herbert L. Mason 1936-7-22 11269 Tuolumne n of Ragged Peak (rocks above Young Lake); Sierra Nevada, Yosemite National Park 3017 Comment
  UC1056448  Achillea millefolium Herbert L. Mason 1936-7-22 11268 Tuolumne at, n of Ragged Peak Young Lake; Sierra Nevada, Yosemite National Park 3017 Comment
  UC1056451  Trifolium monanthum subsp. parvum Herbert L. Mason 1936-7-26 11365 Tuolumne near Gaylor Lakes (Moraine Flat, w of Tioga Pass); Sierra Nevada, Yosemite National Park 3048 Comment
  UC1056454  Thysanocarpus curvipes Herbert L. Mason 1936-3-20 11011 Tuolumne three mi above Tuolumne Comment
  UC1056961  Juncus macrandrus Herbert L. Mason 1936-7-9 11896 Tuolumne w of Hetch Hetchy; Sierra Nevada, Yosemite National Park, Swamp Lake 1584 Comment
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Jul 13 2007
  UC1056962  Juncus macrandrus Herbert L. Mason 1938-7-9 11891 Tuolumne w of Hetch Hetchy; Sierra Nevada, Yosemite National Park, Swamp Lake 1584 Comment
  UC1056963  Sparganium natans Herbert L. Mason 1938-8-1 12066 Tuolumne Tiltill Valley Sierra Nevada, Yosemite National Park (Rancheria Mountain Trail) 1676 Comment
  UC1056964  Potamogeton robbinsii Herbert L. Mason 1938-7-6 11857 Tuolumne Swamp Lake w of Hetch Hetchy; Sierra Nevada, Yosemite National Park 1584 Comment
  UC1056966  Polygonum douglasii subsp. douglasii Herbert L. Mason 1936-7-27 11391 Tuolumne w Tioga Pass; Sierra Nevada, Yosemite National Park, Gaylor Lakes 3200 Comment
  UC1056969  Polygonum polygaloides subsp. kelloggii Herbert L. Mason 1936-7-10 11180 a Tuolumne se White Wolf; Yosemite National Park, Lukens Lake 2560 Comment
  UC1056972  Meconella californica Herbert L. Mason 1936-3-21 11038 Tuolumne head of Moccasin Creek Comment
  UC1056973  Brasenia schreberi Herbert L. Mason 1936-7-15 11246 Tuolumne 1/2 mi w Mather (margin of pool); w of Mather 1371 Comment
  UC1056974  Montia chamissoi Herbert L. Mason 1936-7-27 11384 Tuolumne Gaylor Lakes w of Tioga Pass (Yosemite National Park); Sierra Nevada, , Gaylor Lakes 3200 Comment
  UC1056979  Mimulus breweri Herbert L. Mason 1936-7-25 11376 Tuolumne w Tioga Pass; Sierra Nevada, Yosemite National Park, Gaylor Lakes 3200 Comment
  UC1056992  Drosera rotundifolia Herbert L. Mason and L. W. Reinecke 1957-7-22 11578 Tuolumne just s Miguel Meadows (in hills just w of Hetch Hetchy); Sierra Nevada, Yosemite National Park, Swamp Lake 1584 Comment
  UC1076193  Vicia americana var. americana Herbert L. Mason 1925-7-4 2141 Tuolumne Mather; Sierra Nevada 1432 Comment
  UC1076302  Orobanche fasciculata Herbert L. Mason 1925-6-24 2107 Tuolumne Mather. Comment
  UC1076304  Orobanche uniflora subsp. occidentalis Herbert L. Mason 1924-5-29 1028 Tuolumne Near top of Tuolumne Canyon, Mather. Comment
  UC1076327  Arceuthobium campylopodum Herbert L. Mason 1924-6-26 1101 Tuolumne Ridge n of Middle Fork near Mather Sierra Nevada, Yosemite National Park Comment
  UC1076391  Lathyrus lanszwertii var. lanszwertii Herbert L. Mason 1925-7-4 2142 Tuolumne Mather Sierra Nevada 1432 Comment
  UC1076394  Symphoricarpos mollis var. acutus Herbert L. Mason 1925-7-15 2160 Tuolumne Mather Comment
  UC1076395  Symphoricarpos rotundifolius var. rotundifolius Herbert L. Mason 1923-8-7 722 Tuolumne moraines along Dana Fork Tuolumne River Comment
  UC1076398  Sambucus mexicana Herbert L. Mason 1925-6-27 2128 Tuolumne Mather Comment
  UC1076400  Lonicera interrupta Herbert L. Mason 1925-7-29 2184 Tuolumne Hog Ranch Mather Comment
  UC1076401  Lonicera conjugialis H. L. Mason 1923-7-30 673 Tuolumne Tuolumne Meadows, Lyell Fork of the Tuolumne River Sierra Nevada, Yosemite National Park, Tuolumne River Comment
  UC1076402  Lonicera interrupta H. L. Mason 1925-6-27 2122 Tuolumne Mather Sierra Nevada Mountains, Yosemite National Park Comment
  UC1076408  Lonicera cauriana H. L. Mason 1923-7-30 673 a Tuolumne Tuolumne Meadows; Lyell Fork of the Tuolumne River; Yosemite National Park Comment
  UC1076421  Alnus rhombifolia Herbert L. Mason 1925-7-30 2187 Tuolumne Smith Peak trail from Mather Comment
  UC1076489  Herniaria hirsuta subsp. hirsuta Herbert L. Mason 1923-7-21 636 Tuolumne Hetch Hetchy , Hetch Hetchy (Yosemite National Park) Comment
  UC1076512  Calocedrus decurrens H. L. Mason 1923-7-13 589 Tuolumne Hog.Ranch (Mather) Sierra Nevada Mountains, Yosemite National Park 1432 Comment
  UC1076530  Lathyrus sulphureus Herbert L. Mason 1936-3-20 11012 Tuolumne 3 mi above Tuolumne Meadows; Sierra Nevada, Yosemite National Park Comment
  UC1076531  Rudbeckia californica Herbert L. Mason 1937-7-21 11555 Tuolumne w of Hetch Hetchy; Sierra Nevada, Yosemite National Park, Miguel Meadow 1584 Comment
  UC1076532  Sericocarpus oregonensis subsp. californicus Herbert L. Mason 1937-7-21 11556 Tuolumne west of, Miguel Meadow Hetch Hetchy; Yosemite National Park, Miguel Meadow 1584 Comment
  UC1076534  Spiranthes stellata Herbert L. Mason and L. W. Reinecke 1937-7-22 11626 Tuolumne w Hetch Hetchy; Sierra Nevada, Yosemite National Park, Swamp Lake 1584 Comment
  UC1076535  Phacelia racemosa Herbert L. Mason 1938-7-22 11961 Tuolumne n Hetch Hetchy; Sierra Nevada, Yosemite National Park, Beehive 1996 Comment
  UC1076536  Drosera rotundifolia Herbert L. Mason 1938-7-6 11853 Tuolumne w Hetch Hetchy; Sierra Nevada, Yosemite National Park, Swamp Lake 1584 Comment
  UC1076538  Pellaea breweri Herbert L. Mason 1938-7-29 12048 Tuolumne w of Tower Peak (Saurian Crest); Sierra Nevada, Yosemite Nat'l Park 3200 Comment
  UC1076539  Cheilanthes gracillima Herbert L. Mason 1938-7-25 11986 Tuolumne n side of Jack Main Canyon (slopes of Mahan Peak); Sierra Nevada, Yosemite Nat'l Park, Jack Main Canyon 2438 Comment
  UC1076540  Dryopteris arguta Herbert L. Mason 1938-7-7 11872 a Tuolumne between Swamp Lake and Hetch Hetchy (Brecca ridge); Sierra Nevada, Yosemite Nat'l Park 1981 Comment
  UC1076541  Cheilanthes gracillima Herbert L. Mason 1938-7-26 12020 Tuolumne s of Jack Main Meadows (Andrews Peak); Sierra Nevada, Yosemite Nat'l Park 2438 Comment
  UC1076542  Phacelia eisenii var. eisenii Herbert L. Mason 1938-7-25 12013 Tuolumne Deep Lake Sierra Nevada, Yosemite National Park, Mahan Peak, Jack Main (s base of peak) 2438 Comment
  UC1076557  Delphinium hansenii subsp. hansenii Herbert L. Mason 1938-7-7 11874 Tuolumne ridge e Swamp Lake (between lake and Hetch Hetchy); Sierra Nevada, Yosemite National Park 1676 Comment
  UC1076559  Montia fontana Herbert L. Mason 1938-7-22 11967 Tuolumne n of Hetch Hetchy (Vernon Lake Trail, Yosemite National Park); Sierra Nevada, Yosemite National Park, Vernon Lake Trail 2072 Comment
  UC1076560  Calyptridium monospermum Herbert L. Mason 1938-7-22 11963 Tuolumne n of Hetch Hetchy (Vernon Lake Trail); Sierra Nevada, Yosemite National Park, Vernon Lake Trail 2072 Comment
  UC1076561  Juncus macrandrus Herbert L. Mason 1938-7-19 11925 Tuolumne w of Hetch Hetchy (s island in Swamp Lake); Sierra Nevada, Yosemite National Park, Swamp Lake 1584 Comment
  UC1076562  Stellaria obtusa Herbert L. Mason 1938-7-22 11960 Tuolumne n of Hetch Hetchy (Beehive); Sierra Nevada, Yosemite National Park, Beehive 1996 Comment
  UC1077085  Cuscuta californica Herbert L. Mason 1938-7-22 11976 Tuolumne n of Hetch Hetchy (Vernon Lake Trail); Yosemite National Park 2072 Comment
  UC1077086  Cuscuta californica Herbert L. Mason 1938-7-8 11886 Tuolumne w of Hetch Hetchy; Yosemite National Park, Miguel Meadow 1584 Comment
  UC1077087  Limnanthes alba Herbert L. Mason 1938-7-11 11940 Tuolumne w Hetch Hetchy (margin of lake at gravel pit); Yosemite National Park, Miguel Meadow 1584 Comment
  UC1077088  Mentzelia dispersa Herbert L. Mason 1938-7-11 11936 Tuolumne w Hetch Hetchy (Margin of lake at gravel pit, Miguel Meadow); Yosemite National Park 1584 Comment
  UC1077089  Hypericum anagalloides Herbert L. Mason 1938-7-10 11912 Tuolumne w. of Hetch Hetchty (s. island in Swamp Lake); Yosemite Nat'l Park, Swamp Lake 1584 Comment
  UC1077090  Geranium californicum Herbert L. Mason 1938-7-8 11884 Tuolumne w of Hetch Hetchy; Yosemite National Park, Miguel Meadows 1584 Comment
  UC1077091  Bolandra californica Herbert L. Mason 1938-7-22 11969 Tuolumne Vernon Lake Trail n Hetch Hetchy; Yosemite National Park 2072 Comment
  UC1077092  Boechera arcuata Herbert L. Mason 1938-7-7 11870 Tuolumne between Swamp Lake and Hetch Hetchy (Brecca ridge); Yosemite National Park 1981 Comment
  UC1077093  Erysimum perenne Herbert L. Mason 1938-7-28 12033 Tuolumne e Tilden Lake; Sierra Nevada, Yosemite National Park, Macomb Ridge 3048 Comment
  UC1077094  Potentilla gracilis var. fastigiata Herbert L. Mason 1938-7-9 11887 Tuolumne w Hetch Hetchy (Miguel Meadow); Sierra Nevada, Yosemite National Park 1584 Comment
  UC1077095  Erigeron breweri var. breweri Herbert L. Mason 1938-7-25 12001 Tuolumne s base of Mahan Peak; Sierra Nevada, Yosemite National Park, Jack Main Canyon, Dee 2438 Comment
  UC1077096  Amelanchier utahensis Herbert L. Mason 1938-7-25 11992 Tuolumne s base Mahan Peak (Deep Lake, Jack Main Canyon); Sierra Nevada, Yosemite National Park 2438 Comment
  UC1077097  Lycopus uniflorus Herbert L. Mason 1938-7-10 11910 Tuolumne s. island in Swamp Lake (w. of Hetch Hetchy); Sierra Nevada, Yosemite Nat'l Park, Swamp Lake 1584 Comment
  UC1077098  Erigeron breweri var. breweri Herbert L. Mason 1938-7-7 11869 Tuolumne between Swamp Lake Hetch-Hetchy; Sierra Nevada, Yosemite National Park, Brecca Ridge 1981 Comment
  UC1077099  Saxifraga aprica Herbert L. Mason 1938-7-28 12025 Tuolumne Macomb Ridge e of Tilden Lake; Sierra Nevada, Yosemite National Park, Macomb Ridge 3048 Comment
  UC1077101  Ageratina occidentalis Herbert L. Mason 1938-7-25 12008 Tuolumne s base Mahan Peak; Yosemite National Park, Jack Main Canyon, Deep Lake 2438 Comment
  UC1077104  Monardella odoratissima subsp. glauca Herbert L. Mason 1938-7-28 12037 Tuolumne Macomb Ridge east of Tilden Lake. 3048 Comment
  UC1077105  Phacelia hastata subsp. compacta Herbert L. Mason 1938-7-28 12038 Tuolumne Tilden Lake Sierra Nevada, Yosemite National Park, Macomb Ridge 3048 Comment
  UC1077106  Phacelia eisenii Herbert L. Mason 1938-7-29 12050 Tuolumne w Tower Peak; Sierra Nevada, Yosemite National Park, Saurian Crest 3200 Comment
  UC1077107  Lomatium torreyi Herbert L. Mason 1938-7-22 11962 Tuolumne n. Hetch Hetchy (Vernon Lake Trail, Yosemite Nat'l Park); Sierra Nevada, Yosemite Nat'l Park, Vernon Lake Trail 2072 Comment
  UC1077108  Pteryxia terebinthina var. californica Herbert L. Mason 1938-7-28 12040 Tuolumne Yosemite National Park, Macomb Ridge east of Tilden Lake 3048 Comment
  UC1077109  Castilleja lineariloba Herbert L. Mason 1938-7-11 11937 Tuolumne w of Hetch Hetchy (Miguel Meadow); Sierra Nevada, Yosemite National Park, Miguel Meadow 1584 Comment
  UC1077110  Castilleja lacera Herbert L. Mason 1938-7-11 11938 Tuolumne w of Hetch Hetchy (Miguel Meadow); Sierra Nevada, Yosemite National Park, Miguel Meadow 1584 Comment
  UC1077111  Silene sargentii Herbert L. Mason 1938-7-28 12031 Tuolumne Macomb Ridge e Tilden Lake (Yosemite National Park); Sierra Nevada, , e of Tilene Lake 3048 Comment
  UC1077113  Eriogonum ovalifolium var. nivale Herbert L. Mason 1938-7-28 12044 Tuolumne e Tilden Lake (Macomb Ridge); Sierra Nevada, Yosemite National Park, Macomb Ridge 3048 Comment
  UC1081524  Saxifraga californica Herbert L. Mason 1936-3-20 11015 Tuolumne 3 mi above Tuolumne; Sierra Nevada Comment
  UC1081526  Claytonia megarhiza Herbert L. Mason 1938-7-30 Tuolumne Snow Peak; Sierra Nevada, Yosemite National Park 2895 Comment
  UC1081529  Arnica cordifolia Herbert L. Mason 1936-7-27 11368 Tuolumne w of, (at Gaylor Lakes) Tioga Pass; Sierra Nevada, Yosemite National Park, Gaylor Lakes 3200 Comment
  UC1081530  Pyrrocoma apargioides Herbert L. Mason 1936-7-27 11374 Tuolumne w of Tioga Pass; Sierra Nevada, Yosemite National Park, Gaylor Lakes 3200 Comment
  UC1081538  Castilleja applegatei subsp. pallida Herbert L. Mason 1936-7-27 11373 Tuolumne w of Tioga Pass (Gaylor Lakes); Sierra Nevada, Yosemite National Park, Gaylor Lakes 3200 Comment
  UC1081540  Cirsium scariosum var. americanum Herbert L. Mason 1936-7-27 11380 Tuolumne w of Tioga Pass; Sierra Nevada, Yosemite National Park, Gaylor Lakes 3200 Comment
  UC1081546  Boechera sparsiflora Herbert L. Mason 1936-3-20 11001 Tuolumne 3 mi above Tuolumne; Sierra Nevada Comment
  UC1081551  Streptanthus tortuosus Herbert L. Mason 1936-3-21 11040 Tuolumne head of Moccasin Creek Sierra Nevada, Yosemite National Park Comment
  UC1081557 Image available Erigeron algidus Herbert L. Mason 1936-7-9 11171 Tuolumne cirque on n face of hill forming boundary between Tuolumne and Mariposa Counties (s of White Wolf); Yosemite National Park 2743 Comment
  UC1081562  Lupinus lepidus var. sellulus Herbert L. Mason 1936-7-10 11185 Tuolumne se White Wolf (Lukens Lake); Sierra Nevada, Yosemite National Park, Lukens Lake 2560 Comment
  UC1081571  Berberis aquifolium var. dictyota Herbert L. Mason 1936-3-21 11041 Tuolumne Moccasin Creek Power House Comment
  UC1081572  Pinus albicaulis Herbert L. Mason 1936-7-27 11381 Tuolumne w Tioga Pass; Yosemite National Park, Gaylor Lakes 3200 Comment
  UC1081574  Ribes lasianthum Herbert L. Mason 1936-7-10 11186 Tuolumne se White Wolf (Lukens Lake); Sierra Nevada, Yosemite National Park 2560 Comment
  UC1081578  Botrychium simplex Herbert L. Mason 1938-7-7 11865 Tuolumne W of Hetch-Hetchy (Miguel Meadow); Sierra Nevada, Yosemite National Park 1584 Comment
  UC1081579  Cheilanthes gracillima Herbert L. Mason 1938-7-25 12005 a Tuolumne s base of Mahan Peak (Deep Lake); Sierra Nevada, Yosemite Nat'l Park, Jack Main Canyon 2438 Comment
  UC1083111  Potamogeton natans Herbert L. Mason 1938-7-11 11944 Tuolumne w of Hetch Hetchy (South island in Swamp Lake); Sierra Nevada, Yosemite National Park 1584 Comment
  UC1083114  Polygonum amphibium var. stipulaceum Herbert L. Mason 1936-7-15 11257 a Tuolumne margin of pool 0.5 mi w Mather 1371 Comment
  UC1083119  Potentilla fruticosa Herbert L. Mason 1936-7-25 11375 Tuolumne w of Tioga Pass; Sierra Nevada, Yosemite National Park, Gaylor Lakes 3200 Comment
  UC1083121  Dicentra uniflora Herbert L. Mason 1936-7-27 11385 Tuolumne w of Tioga Pass (Gaylor Lakes); Sierra Nevada, Yosemite National Park 3200 Comment
  UC1083126  Thalictrum fendleri Herbert L. Mason 1936-7-27 11367 Tuolumne w Tioga Pass; Sierra Nevada, Yosemite National Park, Gaylor Lakes 3200 Comment
  UC1083127  Aquilegia formosa Herbert L. Mason 1936-7-27 11369 Tuolumne w Tioga Pass (Gaylor Lakes); Sierra Nevada, Yosemite National Park 3200 Comment
  UC1083128  Sedum lanceolatum Herbert L. Mason 1936-7-27 11379 Tuolumne Gaylor Lakes w Tioga Pass (Yosemite National Park, Sierra Nevada); Sierra Nevada, Yosemite National Park, Gaylor Lakes 3200 Comment
  UC1083138  Erigeron linearis Herbert L. Mason 1936-7-27 11372 Tuolumne w of Tioga Pass; Sierra Nevada, Yosemite National Park, Gaylor Lakes 3200 Comment
  UC1083140  Agoseris monticola Herbert L. Mason 1936-7-27 11371 Tuolumne w Tioga Pass ((Gaylor Lakes)); Sierra Nevada, Yosemite National Park, Gaylor Lakes 3200 Comment
  UC1083182  Quercus kelloggii H. L. Mason 1925-6-27 2121 Tuolumne Hog Ranch, Mather Sierra Nevada Mountains, Yosemite National Park Comment
  UC1083201  Arenaria kingii var. glabrescens Herbert L. Mason 1938-7-26 12019 Tuolumne s Jack Main Meadows; Sierra Nevada, Yosemite National Park, Andrews Peak 2438 Comment
  UC1083206  Kalmia polifolia subsp. microphylla Herbert L. Mason and L. W. Reinecke 1937-7-22 11585 Tuolumne just s of Miguel Meadows (just w of Hetch Hetchy, Swamp Lake); Sierra Nevada, Yosemite National Park, Swamp Lake 1584 Comment
  UC1083213  Spiraea densiflora Herbert L. Mason and L. W. Reinecke 1937-7-22 11612 Tuolumne just s Miguel Meadows (Swamp Lake, in the hills just w of Hetch Hetchy); Sierra Nevada, Yosemite National Park, Swamp lake 1584 Comment
  UC1083216  Alnus rhombifolia Herbert L. Mason and L. W. Reinecke 1937-7-22 11596 Tuolumne s Miguel Meadows (in hills just w of Hetch Hetchy); Sierra Nevada, Yosemite National Park, Swamp Lake 1584 Comment
  UC1083309  Juniperus grandis Herbert L. Mason 1923-7-29 670 Tuolumne Lamberts Dome Sierra Nevada Mountains Comment
  UC1083360  Polemonium occidentale Herbert L. Mason 1923-8-21 758 Tuolumne Tuolumne Meadows , Tuolumne Meadows (Dana Fork Tuolumne River) Comment
  UC1093855  Chenopodium botrys Herbert L. Mason 1925-8-6 2210 Tuolumne Mather; on railroad balast Comment
  UC1093872  Solanum umbelliferum Herbert L. Mason 1938-7-24 11985 Tuolumne w of Vernon Lake (sw end of Moraine Ridge); Sierra Nevada, Yosemite National Park, Moraine Ridge 2286 Comment
  UC1093873  Rhamnus rubra Herbert L. Mason 1938-7-25 12003 Tuolumne s base Mahan Peak (Deep Lake, Jack Main Canyon, Yosemite National Park, Sierra Nevada); Sierra Nevada, Yosemite National Park, Deep Lake 2438 Comment
  UC1093874  Penstemon laetus var. laetus Herbert L. Mason 1938-7-26 12017 Tuolumne s Jack Main Meadows (Andrews Peak, Yosemite National Park); Sierra Nevada, Yosemite National Park 2438 Comment
  UC1093875  Senecio fremontii var. occidentalis Herbert L. Mason 1938-7-25 12002 Tuolumne s base Mahan Peak (Deep Lake); Sierra Nevada, Yosemite National Park, Jack Main Canyon 2438 Comment
  UC1093876  Raillardella scaposa Herbert L. Mason 1938-7-28 12028 Tuolumne e of Tilden Lake; Sierra Nevada, Yosemite National Park, Macomb Ridge 3048 Comment
  UC1093877  Solidago multiradiata Herbert L. Mason 1938-7-28 12035 Tuolumne Macomb Ridge e Tilden Lake; Sierra Nevada, Yosemite National Park, Macomb Ridge 3048 Comment
  UC1093878  Hieracium horridum Herbert L. Mason 1938-7-28 12036 Tuolumne e of Tilden Lake; Sierra Nevada, Yosemite National Park, Macomb Ridge 2438 Comment
  UC1093879  Lactuca tatarica subsp. pulchella Herbert L. Mason 1938-8-1 12069 Tuolumne Tiltill Valley 1676 Comment
  UC1093880  Wyethia angustifolia Herbert L. Mason 1938-7-22 11979 Tuolumne n Hetch Hetchy (Vernon Lake Trail, Yosemite National Park); Sierra Nevada, Yosemite National Park 2072 Comment
  UC1093881  Arnica mollis Herbert L. Mason 1938-7-30 12053 Tuolumne Tiltill Mountain (south end) Sierra Nevada, Yosemite National Park, Tiltill Mountain 2590 Comment
  UC1093883  Ivesia santolinoides Herbert L. Mason 1938-7-28 12039 Tuolumne e of Tilden Lake (Macomb Ridge); Sierra Nevada, Yosemite National Park 3048 Comment
  UC1093884  Prunus emarginata Herbert L. Mason 1938-7-25 11994 Tuolumne s base of Mahan Peak (Deep Lake, Jack Main Canyon, Yosemite National Park); Sierra Nevada, Yosemite National Park, Deep Lake 2438 Comment
  UC1093908  Spiranthes stellata Herbert L. Mason 1938-7-7 11877 Tuolumne w Hetch Hetchy; Sierra Nevada, Yosemite National Park, Swamp Lake 1584 Comment
  UC1093912  Garrya fremontii Herbert L. Mason 1943-4-16 12567 Tuolumne 4 mi above Long Barn (on Highway 108); Bald Mountain Comment
  UC1093921  Alnus rhombifolia Herbert L. Mason 1925-7-30 2187 Tuolumne Smith Peak Trail from Mather Comment
  UC1093934  Garrya fremontii Herbert L. Mason 1943-4-16 12568 Tuolumne 4 mi above Long Barn (on Highway 108); Bald Mountain Comment
  UC1093950  Polygonum douglasii subsp. douglasii Herbert L. Mason 1938-7-11 11935 Tuolumne Miguel Meadow Sierra Nevada, Yosemite National Park (margin of lake at gravel pit, w of Hetch Hetchy) 1584 Comment
  UC1093951  Polygonum minimum Herbert L. Mason 1938-7-22 11966 Tuolumne Vernon Lake trail n Hetch Hetchy; Yosemite National Park 2072 Comment
  UC1093958  Montia fontana Herbert L. Mason 1936-3-20 11007 Tuolumne 3 mi above Tuolumne Meadows (Yosemite National Park); Sierra Nevada, Yosemite National Park Comment
  UC1093990  Athyrium filix-femina var. cyclosorum Herbert L. Mason 1925-7-30 2189 Tuolumne ne of Mather (Smith Peak Trail); Sierra Nevada Comment
  UC1093991  Cheilanthes covillei Herbert L. Mason 1925-7-31 2202 Tuolumne Mather; Sierra Nevada Comment
  UC1099811  Sparganium natans Herbert L. Mason 1937-7-22 11603 Tuolumne just s Miguel Meadows (Swamp Lakes, n of Hetch Hetchy Dam); Sierra Nevada, Yosemite National Park, Swamp Lakes; Marsh Plant Survey 1584 Comment
  UC1099812  Sparganium angustifolium Herbert L. Mason 1922-8-19 359 Tuolumne Dog Lake; Yosemite National Park, Tuolumne Meadows 2743 Comment
  UC1099859  Potamogeton gramineus Herbert L. Mason 1937-7-22 11624 Tuolumne Swamp Lakes just s of Miguel Meadows (and w of Hetch Hetchy Dam); Yosemite National Park 1584 Comment
  UC1100166  Lilaea scilloides Herbert L. Mason 1925-6-25 2109 Tuolumne Mather Comment
  UC1100430  Carex aurea Herbert L. Mason, Lawrence W. Reinecke 1937-7-22 11586 Tuolumne just s Miguel Meadows (w of Hetch Hetchy Dam); Yosemite National Park, Swamp Lakes 1584 Comment
  UC1100431  Carex aurea Herbert L. Mason, Lawrence W. Reinecke 1937-7-21 11558 Tuolumne just nw Hetch Hetchy Dam; Yosemite National Park, Miguel Meadows Comment
  UC1100469  Carex utriculata Herbert L. Mason, Lawrence W. Reinecke 1937-7-22 11623 Tuolumne just s Miguel Meadows (in the hills just w of Hetch Hetchy Dam); Yosemite National Park, Swamp Lakes 1584 Comment
  UC1100513  Carex feta Herbert L. Mason 1937-7-21 11561 Tuolumne just nw Hetch Hetchy; Yosemite National Park, Miguel Meadow 1524 Comment
  UC1100569  Carex vesicaria Herbert L. Mason, Lawrence W. Reinecke 1937-7-22 11572 Tuolumne S. Miguel Meadows (Swamp Lakes, in the hills west of Hetch Hetchy dam.); Yosemite National Park 1584 Comment
  UC1100608  Eleocharis bolanderi Herbert L. Mason 1938-7-25 Tuolumne ca. 4 mi N of Hetch Hetchy Lake (Snow-pool marsh, 1 mi S of Vernon Lake on trail to Beehive); Yosemite National Park 1981 Comment
  UC1100615  Eleocharis bella Herbert L. Mason, Lawrence W. Reinecke 1937-7-22 11598 Tuolumne Swamp Lakes, just S of Miguel Meadows and W of Hetch Hetchy Dam Yosemite National Park Comment
  UC1100694  Eriophorum gracile Herbert L. Mason and Lawrence W. Reinecke 1937-7-22 11579 Tuolumne e. Hetch Hetchy dam (Swamp Lakes, just s. of Miguel Meadows); Yosemite Nat'l Park, Swamp Lakes Comment
  UC1101063  Luzula comosa var. laxa Herbert L. Mason and Lawrence W. Reinecke 1937-7-22 11608 Tuolumne Yosemite National Park. Swamp Lakes, just west of Hetch Hetchy Dam and south of Miguel Meadow 1584 Comment
  UC1101064  Luzula comosa var. laxa Herbert L. Mason 1937-7-21 11580 Tuolumne Miguel Meadow, ca. 3 miles northwest of Hetch Hetchy Dam 1584 Comment
  UC1101065  Luzula spicata Herbert L. Mason 1936-7-27 11390 Tuolumne Gaylor Lakes Sierra Nevada, , Gaylor Lakes (Yosemite National Park) 3048 Comment
  UC1101096  Juncus macrandrus Herbert L. Mason 1937-7-21 11584 Tuolumne ca 3 mi nw Hetch Hetchy Dam; Yosemite National Park, Miguel Meadows 1584 Comment
  UC1101138  Polygonum amphibium var. stipulaceum Herbert L. Mason and Lawrence M. Reinecke 1937-7-22 11616 Tuolumne just w Hetch Hetchy Dam (s of Miguel Meadows); Yosemite National Park, Swamp Lakes 1584 Comment
  UC1101412  Brasenia schreberi Herbert L. Mason 1939-7-11 12126 Tuolumne w Hetch Hetchy Dam (Swamp Lake, just s of Miguel Meadows, Yosemite National Park); Yosemite National Park, w of Hetch Hetchy Dam, Swamp Lake 1584 Comment
  UC1101413  Brasenia schreberi Herbert L. Mason 1937-7-22 11600 Tuolumne w Hetch Hetchy Dam (Swamp Lakes, just s of Miguel Meadows, Yosemite National Park); Yosemite National Park, w of Hetch Hetchy Dam, Swamp Lakes 1584 Comment
  UC1101462  Utricularia gibba Herbert L. Mason 1938-7-6 11854 Tuolumne w. Hetch Hetchy Dam (just s. of Miguel Meadows, Swamp Lake, Yosemite Nat'l Park); Yosemite Nat'l Park, Swamp Lake 1584 Comment
  UC1101466  Utricularia macrorhiza Herbert L. Mason 1937-7-22 11916 Tuolumne w. Hetch Hetchy (s. of Miguel Meadows, s. ilsand of Swamp lake); Yosemite Nat'l Park, Swamp Lake 1584 Comment
  UC1101468  Utricularia gibba Herbert L. Mason 1938-7-9 11888 Tuolumne w. Hetch Hetchy Dam (just s. of Miguel Meadows, Swamp Lake, Yosemite Nat'l Park); Yosemite Nat'l Park, Swamp Lake 1584 Comment
  UC1101530  Elatine brachysperma Herbert L. Mason 1936-7-15 12757 Tuolumne 0.5 mi w Mather; Sierra Nevada Comment
  UC1101551  Elatine brachysperma Herbert L. Mason 1923-7-15 608 Tuolumne 2 mi w Mather (Salt Log Meadow) Comment
  UC1102952  Carex feta Herbert L. Mason 1958-8-9 14854 Tuolumne W of Hetch Hetchy Dam (Swamp Lake); Sierra Nevada, Yosemite National Park 1584 Comment
  UC1102953  Carex echinata subsp. echinata Herbert L. Mason 1958-8-9 14876 Tuolumne w Hetch Hetchy Dam; Sierra Nevada, Yosemite National Park, Swamp Lake 1584 Comment
  UC1102954  Carex buxbaumii Herbert L. Mason 1958-8-6 14853 Tuolumne w Hetch Hetchy Dam; Sierra Nevada, Yosemite National Park, Swamp Lake meadow 1584 Comment
  UC1102955  Carex buxbaumii Herbert L. Mason 1958-8-9 14897 Tuolumne w side of Hetch Hetchy Dam (meadow at Swamp Lake); Sierra Nevada, Yosemite National Park, Swamp Lake 1584 Comment
  UC1102956  Eleocharis macrostachya Herbert L. Mason 1958-8-9 14872 Tuolumne W of Hetch Hetchy Dam (Swamp Lake meadow); Sierra Nevada, Yosemite National Park 1584 Comment
  UC1102957  Eleocharis bella Herbert L. Mason 1958-8-6 14868 Tuolumne meadow at Swamp Lake, W side of Hetch Hetchy Dam Sierra Nevada, Yosemite National Park 1584 Comment
  UC1102958  Cyperus squarrosus Herbert L. Mason 1958-8-6 14898 a Tuolumne w. Hetch Hetchy Dam (at Swamp Lake); Sierra Nevada, Yosemite Nat'l Park, Swamp Lake 1584 Comment
  UC1102959  Carex vesicaria Herbert L. Mason 1958-8-9 14887 Tuolumne w Hetch Hetchy Dam (Swamp Lake); Sierra Nevada, Yosemite National Park 1584 Comment
  UC1102960  Alisma Herbert L. Mason 1958-8-9 14877 Tuolumne w Hetch Hetchy Dam; Sierra Nevada, Yosemite National Park, Swamp Lake 1584 Comment
  UC1102961  Potamogeton pusillus var. pusillus Herbert L. Mason 1958-8-9 14860 Tuolumne Swamp Lake w of Hetch Hetchy Dam; Sierra Nevada, Yosemite National Park 1584 Comment
  UC1102962  Juncus oxymeris Herbert L. Mason 1958-8-9 14869 Tuolumne w side Hetch Hetchy Dam; Sierra Nevada, Yosemite National Park, Swamp Lake 1584 Comment
  UC1102963  Juncus macrandrus Herbert L. Mason 1958-8-6 Tuolumne w side Hetch Hetchy Dam (meadow at Swamp Lake); Sierra Nevada, Yosemite National Park, Swamp Lake 1584 Comment
  UC1102964  Potamogeton gramineus Herbert L. Mason 1958-8-9 14856 Tuolumne w of Hetch Hetchy Dam (at Swamp Lake); Sierra Nevada Mountains, Yosemite National Park 1584 Comment
  UC1102965  Utricularia vulgaris Herbert L. Mason 1958-8-9 14874 Tuolumne w. Hetch Hetchy Dam (Swamp Lake, Yosemite Nat'l Park); Sierra Nevada, Yosemite Nat'l Park, Swamp Lake 1584 Comment
  UC1102968  Deschampsia danthonioides Herbert L. Mason 1958-8-9 14890 Tuolumne w. of Hetch Hetchy Dam (Swamp Lake area); Sierra Nevada, Yosemite Nat'l Park, Swamp Lake area 1584 Comment
  UC1102969  Agrostis scabra Herbert L. Mason 1958-8-9 14892 Tuolumne w of Hetch Hetchy Dam (Swamp Lake area); Sierra Nevada, Yosemite National Park, Swamp Lake 1584 Comment
  UC1102970  Muhlenbergia filiformis Herbert L. Mason 1958-8-9 14891 Tuolumne w Hetch Hetchy Dam; Sierra Nevada, Yosemite National Park, Swamp Lake area 1584 Comment
  UC1102971  Danthonia californica var. americana Herbert L. Mason 1958-8-9 14889 Tuolumne w Hetch Hetchy Dam; Sierra Nevada, Yosemite National Park, Swamp Lake area 1584 Comment
  UC1102972  Panicum acuminatum var. acuminatum Herbert L. Mason 1958-8-9 14871 Tuolumne w side Hetch Hetchy Dam (Swamp Lake Area); Sierra Nevada, Yosemite National Park, w side Hetch Hetchy d 1584 Comment
  UC1102973  Sparganium natans Herbert L. Mason 1958-8-9 14858 Tuolumne w side Hetch Hetchy Dam (Swamp Lake); Sierra Nevada, Yosemite National Park, Swamp Lake 1584 Comment
  UC1102974  Agrostis scabra Herbert L. Mason 1958-8-9 14867 Tuolumne w of Hetch Hetchy Dam (Swamp Lake area); Sierra Nevada, Yosemite National Park, Swamp Lake 1584 Comment
  UC1102976  Galium trifidum var. pusillum Herbert L. Mason 1958-8-9 14879 Tuolumne w Hetch Hetchy Dam; Sierra Nevada, Yosemite National Park< Swamp Lake area 1584 Comment
  UC1102977  Alisma plantago-aquatica Herbert L. Mason 1958-8-9 14882 Tuolumne w of Hetch Hetchy Dam; Sierra Nevada, Yosemite National Park, Swamp Lake 1584 Comment
  UC1102978  Scirpus congdonii Herbert L. Mason 1958-8-9 14888 Tuolumne w Hetch Hetchy Dam (Swamp Lake, Sierra Nevada, Yosemite National Park); Sierra Nevada, Yosemite National Park, Swamp Lake 1584 Comment
  UC1102979  Scirpus cernuus var. californicus Herbert L. Mason 1958-8-9 14863 Tuolumne w Hetch Hetchy Dam (Swamp Lake, Yosemite National Park); Sierra Nevada, Yosemite National Park, Swamp Lake 1584 Comment
  UC1105286  Muhlenbergia filiformis Herbert L. Mason 1938-7-10 11911 Tuolumne w Hetch Hetchy; Sierra Nevada, Yosemite National Park, Swamp Lake, South Isl 1645 Comment
  UC1106397  Montia fontana Herbert L. Mason 1940-7-6 12320 Tuolumne Miguel Meadow w of Hetch Hetchy Dam (Yosemite National Park); Sierra Nevada, , Miguel Meadow 1584 Comment
  UC1108809  Glyceria striata Herbert L. Mason 1939-7-12 12133 Tuolumne vicinity Swamp Lake (w of Hetch Hetchy Valley); Sierra Nevada, Yosemite National Park 1645 Comment
  UC1108811  Trisetum spicatum Herbert L. Mason 1936-7-24 11342 Tuolumne White Mountain; Conness Range Comment
  UC1108814  Poa secunda subsp. secunda Herbert L. Mason 1936-7-27 11366 Tuolumne se Tioga (Gaylor Lakes); Sierra Nevada, Yosemite Nat'l Park 3200 Comment
  UC1108815  Poa wheeleri Herbert L. Mason 1936-7-24 11331 Tuolumne White Mt; Sierra Nevada, Conness Range Comment
  UC1108816  Elymus elymoides subsp. elymoides Herbert L. Mason 1936-7-24 11333 Tuolumne White Mountain Sierra Nevada, Conness Range Comment
  UC1108817  Poa secunda subsp. secunda Herbert L. Mason 1938-7-25 12009 Tuolumne deep lake at e base of Mahan Peak; Sierra Nevada, Yosemite Nat'l Park Comment
  UC1108818  Poa secunda subsp. secunda Herbert L. Mason 1938-7-28 12034 Tuolumne n Tiltill Mt (Macomb Ridge); Sierra Nevada, Yosemite Nat'l Park 3017 Comment
  UC1108819  Danthonia unispicata Herbert L. Mason 1938-7-25 12012 Tuolumne Mahan Peak Sierra Nevada, Yosemite National Park (deep lake at e base) Comment
  UC1108820  Poa secunda subsp. secunda Herbert L. Mason 1938-7-25 12005 Tuolumne deep lake at e base Mahan Peak; Sierra Nevada, Yosemite Nat'l Park Comment
  UC1108821  Poa secunda subsp. secunda Herbert L. Mason 1938-7-25 11995 Tuolumne deep lake at e base of Mahan Peak; Sierra Nevada, Yosemite Nat'l Park Comment
  UC1108822  Poa secunda subsp. secunda Herbert L. Mason 1938-7-25 11989 Tuolumne deep lake at e base of Mahan Peak; Sierra Nevada, Yosemite Nat'l Park Comment
  UC1108823  Achnatherum occidentale subsp. occidentale Herbert L. Mason 1938-7-25 11988 Tuolumne slopes of Mahan Peak Sierra Nevada, Yosemite National Park 2590 Comment
  UC1108824  Elymus elymoides subsp. elymoides Herbert L. Mason 1938-7-22 11984 Tuolumne Moraine Ridge Sierra Nevada, Yosemite National Park (nw of Lake Vernon) 2286 Comment
  UC1108826  Panicum acuminatum var. acuminatum Herbert L. Mason 1938-7-22 11968 Tuolumne n Hetch Hetchy Valley (Vernon Trail Lake); Sierra Nevada, Yosemite National Park 1981 Comment
  UC1108827  Bromus carinatus var. carinatus Herbert L. Mason 1938-7-22 11970 Tuolumne n of Hetch Hetchy Valley (Yosemite National Park, Vernon Trail Lake); Sierra Nevada, Yosemite National Park, Vernon Trail Lake 1981 Comment
  UC1108828  Muhlenbergia montana Herbert L. Mason 1938-7-22 11972 Tuolumne Vernon Lake Trail n Hetch Hetchy Valley; Sierra Nevada, Yosemite National Park 1981 Comment
  UC1108829  Elymus sierrae Herbert L. Mason 1938-7-28 12029 Tuolumne Macomb Ridge Sierra Nevada, Yosemite National Park (n of Tiltill Mt.) 3017 Comment
  UC1108831  Poa secunda subsp. secunda Herbert L. Mason 1937-7-22 11965 Tuolumne n of Hetch Hetchy Valley Beehive; Sierra Nevada, Yosemite Nat'l Park Comment
  UC1108832  Calamagrostis purpurascens Herbert L. Mason 1938-7-28 12047 Tuolumne n Tiltill Mountain; Yosemite National Park, Macomb Ridge 3017 Comment
  UC1108834  Melica stricta Herbert L. Mason 1937-7-27 14827 Tuolumne Mahan Peak; Sierra Nevada, Yosemite National Park 2438 Comment
  UC1110523  Poa secunda subsp. secunda Herbert L. Mason 1938-7-25 11998 Tuolumne deep lake at e base Mahan Peak; Sierra Nevada, Yosemite Nat'l Park Comment
  UC1110525  Poa wheeleri Herbert L. Mason 1936-7-24 11332 Tuolumne White Mt; Sierra Nevada, Conness Range Comment
  UC1110527  Elymus glaucus Herbert L. Mason 1938-7-22 11974 Tuolumne Vernon Trail Lake Yosemite National Park (n of Hetch Hetchy Valley) 1981 Comment
  UC1110529  Poa pratensis subsp. pratensis Herbert L. Mason 1938-7-11 11932 Tuolumne w Hetch Hetchy (Miguel Meadow); Sierra Nevada, Yosemite Nat'l Park 1584 Comment
  UC1110530  Agrostis scabra Herbert L. Mason 1938-7-25 12011 Tuolumne e base Mahan Peak; Sierra Nevada, Yosemite National Park Comment
  UC1110531  Calamagrostis canadensis Herbert L. Mason 1938-7-10 11914 Tuolumne Swamp Lake Yosemite National Park (s island, w of Hetch Hetchy) 1645 Comment
  UC1110532  Festuca minutiflora Herbert L. Mason 1936-7-24 11335 Tuolumne White Mountain Sierra Nevada, Conness Range Comment
  UC1110533  Festuca saximontana var. purpusiana Herbert L. Mason 1936-7-24 11334 Tuolumne Conness Range Sierra Nevada, White Mountain Comment
  UC1110538  Festuca occidentalis Herbert L. Mason 1939-7-12 12129 Tuolumne w of Hetch Hetchy Valley (vicinity of Swamp Lake); Sierra Nevada, Yosemite National Park, Swamp Lake 1645 Comment
  UC1111003  Melica stricta Herbert L. Mason 1938-7-26 12006 Tuolumne s base Mahan Peak (Deep Lake, Jack Main Canyon); Sierra Nevada, Yosemite National Park 2438 Comment
  UC1111004  Bulbostylis capillaris Herbert L. Mason 1940-7-6 12312 Tuolumne w of Hetch Hetchy; Yosemite National Park, Miguel Meadow 1584 Comment
  UC1111005  Scirpus acutus var. occidentalis Herbert L. Mason 1937-7-23 14808 Tuolumne Laurel Lake Sierra Nevada, , Laurel Lake (Yosemite National Park) 2042 Comment
  UC1111014  Agrostis idahoensis Herbert L. Mason 1938-7-10 11909 Tuolumne South Island Swamp Lake (w of Hetch Hetchy Dam, Yosemite National Park); Sierra Nevada, Yosemite National Park, , Hetch Het 1584 Comment
  UC1111015  Agrostis thurberiana Herbert L. Mason 1938-7-10 11908 Tuolumne w of Hetch Hetchy Dam (South Island); Sierra Nevada, Yosemite National Park, Swamp Lake, South Isl 1584 Comment
  UC1111021  Dodecatheon jeffreyi H. L. Mason 1922-7-16 308 Tuolumne Hog Ranch Sierra Nevada Mountains, Yosemite National Park (Mather) Comment
  UC1111022  Dodecatheon alpinum H. L. Mason 1923-8-1 682 Tuolumne Tuolumne Meadows, Yosemite National Park Sierra Nevada Mountains, Yosemite National Park Comment
  UC1111023  Dodecatheon jeffreyi H. L. Mason 1922-7-16 307 Tuolumne Lodge Meadow Bog Sierra Nevada Mountains, Yosemite National Park (Mather) Comment
  UC1111026  Potamogeton robbinsii Herbert L. Mason 1958-8-9 14847 Tuolumne Swamp Lake w of Hetch Hetchy Dam; Sierra Nevada, Yosemite National Park 1584 Comment
  UC1111027  Dulichium arundinaceum Herbert L. Mason 1958-8-9 14848 Tuolumne w of Hetch Hetchy Dam (Swamp Lake, Yosemite National Park); Sierra Nevada, Yosemite National Park, Swamp Lake 1584 Comment
  UC1111560  Limnanthes alba subsp. versicolor Herbert L. Mason 1938-7-22 11978 Tuolumne Vernon Lake Trail n Hetch Hetchy; Sierra Nevada, Yosemite National Park 2072 Comment
  UC1111561  Mimulus layneae Herbert L. Mason 1938-7-22 11964 Tuolumne n Hetch Hetchy (Vernon Lake Trail); Sierra Nevada, Yosemite National Park 2072 Comment
  UC1111562  Mimulus laciniatus Herbert L. Mason 1938-7-25 12004 Tuolumne s base Mahan Peak (Jack Main Canyon, Deep Lake); Sierra Nevada, Yosemite National Park 2438 Comment
  UC1111563  Phacelia eisenii Herbert L. Mason 1938-7-27 12023 Tuolumne se side Bailey Ridge; Sierra Nevada, Yosemite National Park 2438 Comment
  UC1111565  Lycopus uniflorus Herbert L. Mason 1938-8-1 12062 Tuolumne Yosemite National Park, in Tiltill Valley, Rancheria Mountain Trail Tiltill Valley; Sierra Nevada, Yosemite National Park, Tiltill Valley 1828 Comment
  UC1111566  Drosera rotundifolia Herbert L. Mason 1938-8-1 12065 Tuolumne Tiltill Valley Sierra Nevada, Yosemite National Park (sphagnum bog above meadow, Rancheria Mountain Trail) 1676 Comment
  UC1111567  Dicentra uniflora Herbert L. Mason 1938-7-28 12024 Tuolumne e of Tilden Lake (Macomb Ridge); Sierra Nevada, Yosemite National Park 3048 Comment
  UC1111571  Claytonia parviflora subsp. parviflora Herbert L. Mason 1936-4-13 11084 Tuolumne Italian Bar Comment
  UC1111572  Minuartia pusilla Herbert L. Mason 1938-7-22 11982 Tuolumne Vernon Lake Trail n Hetch Hetchy; Sierra Nevada, Yosemite National Park 2072 Comment
  UC1111583  Eleocharis bella Herbert L. Mason 1940-7-6 12313 Tuolumne W of Hetch Hetchy (Miguel Meadows); Yosemite National Park 1584 Comment
  UC1178815  Sclerolinon digynum Herbert L. Mason 1940-7-6 12321 Tuolumne w of Hetch Hetchy Dam (Miguel Meadows); Sierra Nevada, Yosemite National Park 1584 Comment
  UC1178824  Limnanthes alba subsp. versicolor Herbert L. Mason 1939-7-13 12135 Tuolumne woods around Miguel Meadows (w of Hetch Hetchy); Sierra Nevada, Yosemite National Park 1584 Comment
  UC1178825  Chamaesyce serpillifolia subsp. hirtula Herbert L. Mason 1939-7-13 12137 Tuolumne W of Hetch Hetchy (woods around Miguel Meadows); Sierra Nevada, Yosemite National Park 1584 Comment
  UC1178830  Dodecatheon alpinum H. L. Mason 1922-8-20 342 Tuolumne in bogs at edge of Dog Lake Sierra Nevada Mountains, Yosemite National Park (Tuolumne Meadows, Morraine Flat) Comment
  UC1178841  Sedum radiatum Herbert L. Mason 1938-7-21 11880 Tuolumne just n Hetch Hetchy Valley (at junction of Frog Creek and Vernon Lake trail); Sierra Nevada, n of Hetch Hetchy Valley 1798 Comment
  UC1178843  Dodecatheon alpinum H. L. Mason 1922-8-25 349 Tuolumne Dana Fork Tuolumne River Sierra Nevada Mountains, Yosemite National Park (Tuolumne Meadows) Comment
  UC1178845  Dodecatheon alpinum Herbert L. Mason 1925-8-11 2221 Tuolumne White Wolf Comment
  UC1178846  Dodecatheon alpinum H. L. Mason 1923-8-2 702 Tuolumne Upper Lake - headwaters of Unicorn Creek Sierra Nevada Mountains, Yosemite National Park Comment
  UC1178847  Castilleja nana Herbert L. Mason 1938-7-22 11980 Tuolumne n of Hetch Hetchy (Vernon Lake Trail); Sierra Nevada, Yosemite National Park 2072 Comment
  UC1178858  Castilleja lacera Herbert L. Mason 1940-7-6 12317 Tuolumne just w Hetch Hetchy Dam (Miguel Meadows); Yosemite National Park, Miguel Meadows 1584 Comment
  UC1178865  Castilleja lineariloba Herbert L. Mason 1940-7-6 12318 Tuolumne w of Hetch Hetchy Dam (Miguel Meadows); Yosemite National Park, Miguel Meadows 1584 Comment
  UC1178866  Gratiola ebracteata Herbert L. Mason 1940-7-7 12330 Tuolumne w Hetch Hetchy Dam (Miguel Meadow, Yosemite National Park); Yosemite National Park, w of Hetch Hetchy Dam, Miguel Meadow 1584 Comment
  UC1178867  Veronica scutellata Herbert L. Mason 1939-7-11 12124 Tuolumne 1/2 mi below Swamp Lake (w of Hetch Hetchy, Yosemite National Park); Sierra Nevada, Yosemite National Park 1584 Comment
  UC1178871  Eriophyllum lanatum var. integrifolium Herbert L. Mason 1938-7-26 12018 Tuolumne s Jack Main Meadows; Yosemite National Park, Andrew Peak 2438 Comment
  UC1178876  Allium obtusum Herbert L. Mason 1938-7-25 11993 Tuolumne slopes of Mahan Peak Yosemite National Park, Mahan Peak 2590 Comment
  UC1178902  Eriogonum nudum var. deductum Herbert L. Mason 1938-7-28 12027 Tuolumne n Tiltill Mountain (Macomb Ridge); Sierra Nevada, Yosemite National Park, Macomb Ridge 3017 Comment
  UC1178903  Eriogonum incanum Herbert L. Mason 1938-7-28 12032 Tuolumne n Tiltill Mountain (Macomb Ridge); Sierra Nevada, Yosemite National Park, Macomb Ridge 3017 Comment
  UC1178910  Delphinium polycladon Herbert L. Mason and L. W. Reinecke 1937-7-28 14822 Tuolumne Mary Lake Sierra Nevada, Yosemite National Park 2895 Comment
  UC1178911  Delphinium glaucum Herbert L. Mason and L. W. Reinecke 1936-7-28 14823 Tuolumne w side Mary Lake; Sierra Nevada, Yosemite National Park 2926 Comment
  UC1178915  Boechera davidsonii Herbert L. Mason 1938-7-25 12007 Tuolumne Mahan Peak Sierra Nevada, Yosemite National Park 2590 Comment
  UC1178945  Lupinus covillei Herbert L. Mason 1937-8-1 14842 Tuolumne Twin Lakes Trail Sierra Nevada, Yosemite National Park (Yosemite National Park) 2743 Comment
  UC1178947  Sanicula tuberosa Herbert L. Mason 1939-7-13 12136 Tuolumne w of Hetch Hetchy Valley (vicinity of Miguel Meadow, Sierra Nevada, Yosemite National Park); Sierra Nevada, Yosemite National Park 1584 Comment
  UC1178954  Polygonum polygaloides subsp. kelloggii Herbert L. Mason 1923-7-20 622 Tuolumne near Mather; Ackersons Meadow Comment
  UC1178956  Polygonum douglasii subsp. douglasii Herbert L. Mason 1925-7-31 2206 Tuolumne Mather Sierra Nevada Comment
  UC1178967  Polygonum minimum Herbert L. Mason 1937-7-31 14839 Tuolumne just w Saurian Crest; Yosemite National Park, Grace Meadow 2651 Comment
  UC1178976  Bidens tripartita Herbert L. Mason 1939-7-11 12123 Tuolumne just w of Hetch Hetchy Dam (Swamp Lake, Yosemite National Park); Yosemite National Park, Swamp Lake 1584 Comment
  UC1178977  Erigeron coulteri Herbert L. Mason 1937-7-28 14845 Tuolumne ne side of Mary Lake (near Saurian Crest); Yosemite National Park, Mary Lake 2895 Comment
  UC1178987  Heterocodon rariflorum Herbert L. Mason 1939-7-11 12117 Tuolumne 0.5 mi below Swamp Lake (just w of Hetch Hetchy Dam); Yosemite National Park 1554 Comment
  UC1178994  Osmorhiza occidentalis Herbert L. Mason 1937-7-31 14810 Tuolumne Cherry Creek Stanislaus National Forest (head) 2651 Comment
  UC1178995  Phacelia ramosissima var. subglabra Herbert L. Mason 1937-7-26 14828 Tuolumne n Hetch Hetchy Dam; Yosemite National Park, Mahan Peak 2438 Comment
  UC1179038  Allium obtusum Herbert L. Mason 1937-8-1 14840 Tuolumne Twin Lakes Sierra Nevada, Yosemite National Park, Twin Lakes 2743 Comment
  UC1179051  Trifolium variegatum Herbert L. Mason 1939-7-11 12118 Tuolumne 1/2 mi below Swamp Lake (w of Hetch Hetchy); Sierra Nevada, Yosemite National Park 1554 Comment
  UC1179055  Juncus chlorocephalus Herbert L. Mason 1938-7-26 12015 Tuolumne Andrews Peak Sierra Nevada, Yosemite National Park 2590 Comment
  UC1179072  Hieracium triste Herbert L. Mason 1937-8-31 14838 Tuolumne w of Saurian Crest; Yosemite National Park. Grace Meadow 2651 Comment
  UC1179073  Hieracium triste Herbert L. Mason 1936-7-30 14819 Tuolumne Tilden Lake; Yosemite National Park 2895 Comment
  UC1179074  Erigeron breweri var. breweri Herbert L. Mason 1938-7-22 11977 Tuolumne n of Hetch Hetchy Dam (Beehive); Sierra Nevada, Yosemite National Park, Beehive Comment
  UC1179077  Erigeron coulteri Herbert L. Mason 1937-7-30 14816 Tuolumne above Mary Lake (Saurian Crest); Sierra Nevada, Yosemite National Park, Saurian Crest 3352 Comment
  UC1179084  Gaultheria humifusa Herbert L. Mason 1936-8-30 14820 Tuolumne Yosemite National Park, Tilden Lake Tilden Lake; Sierra Nevada, Yosemite National Park, Tilden Lake 2926 Comment
  UC1186140  Navarretia capillaris Herbert L. Mason 1938-7-29 12049 Tuolumne Saurian Crest northern Yosemite National Park, Saurian Crest (northern part of Yosemite National Park) Comment
  UC1186142  Navarretia divaricata Herbert L. Mason 1938-7-6 11860 Tuolumne e of Miguel Meadow (dry ridge between Swamp Lake Miguel Meadow); Sierra Nevada, Yosemite National Park, Swamp Lake 1584 Comment
  UC1186143  Allophyllum integrifolium Herbert L. Mason 1938-7-7 11867 Tuolumne w. Hetch Hetchy (Breccia Ridge s.e. of Swamp Lake); Sierra Nevada, Yosemite Nat'l Park, Breccia Ridge 1981 Comment
  UC1186144  Collomia grandiflora Herbert L. Mason 1938-7-7 11871 Tuolumne se Swamp Lake (w of Hetch Hetchy); Yosemite National Park, Breccia Ridge 1584 Comment
  UC1186146  Leptodactylon pungens Herbert L. Mason 1938-7-25 11999 Tuolumne Deep Lake at e base Mahan Peak (Yosemite National Park); , Deep lake e base Mahan Peak Comment
  UC1186147  Phlox diffusa Herbert L. Mason 1938-7-25 12000 Tuolumne e base Mahan Peak; Sierra Nevada, Yosemite National Park, Deep Lake Comment
  UC1189249  Downingia montana Herbert L. Mason 1939-7-13 12140 Tuolumne woods around Miguel Meadows Yosemite National Park Comment
  UC1191153  Dodecatheon alpinum Herbert L. Mason 1937-8-1 14841 Tuolumne Twin Lakes trail Sierra Nevada, , Twin Lakes Trail (Yosemite National Park) 2743 Comment
  UC1191157  Dodecatheon alpinum H. L. Mason 1922-8-1 357 Tuolumne Tuolumne Meadows Sierra Nevada Mountains, Yosemite National Park Comment
  UC1191160  Menyanthes trifoliata Herbert L. Mason 1937-7-24 14807 Tuolumne n of Hetch Hetchy Valley (Yosemite National Park, Vernon Lake); Sierra Nevada, Yosemite National Park, Vernon Lake 2011 Comment
  UC1191177  Saxifraga aprica Herbert L. Mason 1937-7-24 14835 Tuolumne n of Hetch Hetchy Dam (Beehive); Sierra Nevada, Yosemite National Park, Beehive 2133 Comment
  UC1191178  Bolandra californica Herbert L. Mason 1937-7-26 14825 Tuolumne Mahan Peak Yosemite National Park 2784 Comment
  UC1191181  Cystopteris fragilis Herbert L. Mason 1937-7-24 14065 Tuolumne n of Hetch Hetchy Dam Beehive; Sierra Nevada, Yosemite Nat'l Park 2011 Comment
  UC1191183  Cystopteris fragilis Herbert L. Mason 1937-7-30 14815 Tuolumne Saurian Crest e of Mary Lake; Sierra Nevada, Yosemite Nat'l Park 3352 Comment
  UC1191184  Athyrium filix-femina var. cyclosorum Herbert L. Mason 1937-7-26 14826 Tuolumne Mahan Peak; Sierra Nevada, Yosemite Nat'l Park 2784 Comment
  UC1191185  Cheilanthes gracillima Herbert L. Mason Tuolumne Jack Main Canyon; Sierra Nevada, Yosemite Nat'l Park 2286 Comment
  UC1191215  Gentianopsis simplex Herbert L. Mason 1937-7-22 11601 Tuolumne w. Hetch Hetchy Dam (Swamp Lake); Sierra Nevada, Yosemite Nat'l Park, Swamp Lake 1584 Comment
  UC1191217  Rhododendron occidentale Herbert L. Mason 1937-7-23 14837 Tuolumne nw of Hetch Hetchy Dam (Yosemite National Park, Laurel Lake); Sierra Nevada, Yosemite National Park, Laurel Lake 2011 Comment
  UC1191223  Lupinus Herbert L. Mason 1937-7-22 11576 Tuolumne Swamp Lake Sierra Nevada, , Swamp Lake (w of Hetch Hetchy Dam) 1584 Comment
  UC1191226  Agoseris aurantiaca Herbert L. Mason 1940-7-6 12315 Tuolumne west Hetch Hetchy Dam ((at Miguel Meadow)); Yosemite National Park, Miguel Meadow 1584 Comment
  UC1191673  Menyanthes trifoliata Herbert L. Mason 1938-7-10 11924 Tuolumne w of Hetch Hetchy (south island in Swamp Lake, Yosemite National Park); Sierra Nevada, Yosemite National Park, Swamp Lake 1584 Comment
  UC1191819  Lycopus uniflorus Herbert L. Mason and L. W. Reinecke 1937-7-22 11589 Tuolumne Swamp Lake just s. of Miguel Meadows (just w. of Hetch Hetchy Dam); Yosemite Nat'l Park, Swamp Lake 1584 Comment
  UC1195912  Ranunculus orthorhynchus var. orthorhynchus Herbert L. Mason 1958-8-9 14885 Tuolumne Swamp Lake Sierra Nevada, Yosemite National Park, Hetch Hetchy Dam (w side of dam) 1584 Comment
  UC1195913  Polygonum amphibium var. stipulaceum Herbert L. Mason 1958-8-9 14866 Tuolumne w Hetch-Hetchy Dam (meadow at lake); Sierra Nevada, Yosemite National Park, Swamp Lake 1584 Comment
  UC1195914  Bidens tripartita Herbert L. Mason 1958-8-6 14852 Tuolumne west of Hetch Hetchy Dam (meadow at Swamp Lake, Yosemite National Park, Sierra Nevada); Sierra Nevada, Yosemite National Park, Swamp Lake 1584 Comment
  UC1195915  Symphyotrichum spathulatum Herbert L. Mason 1958-8-9 14896 Tuolumne w of, (meadow at Swamp Lake) Hetch Hetchy Dam; Sierra Nevada, Yosemite National Park, Swamp Lake 1584 Comment
  UC1195916  Chamaesyce serpillifolia subsp. hirtula Herbert L. Mason 1958-8-9 14884 Tuolumne Swamp Lake Hetch Hetchy Dam; Sierra Nevada, Yosemite National Park 1584 Comment
  UC1195917  Veronica scutellata Herbert L. Mason 1958-8-9 14849 Tuolumne w of Hetch Hetchy DAm (Swamp Lake, Yosemite National Park); Sierra Nevada, Yosemite National Park, Swamp Lake 1584 Comment
  UC1195918  Trifolium longipes Herbert L. Mason 1958-8-9 14865 Tuolumne w Hetch Hetchy Dam (Swamp Lake); Sierra Nevada, Yosemite National Park 1584 Comment
  UC1195919  Hypericum formosum var. scouleri Herbert L. Mason 1958-8-9 14873 Tuolumne w. Hetch Hetchy Dam (meadow at Swamp lake); Sierra Nevada, Yosemite Nat'l Park 1584 Comment
  UC1195920  Agrostis alba Herbert L. Mason 1958-8-9 14893 Tuolumne w Hetch Hetchy Dam; Sierra Nevada, Yosemite National Park, Swamp Lake area 1584 Comment
  UC1195921  Calamagrostis canadensis Herbert L. Mason 1958-8-9 14862 Tuolumne Hetch Hetchy Dam Yosemite National Park, Swamp Lake (w side) 1584 Comment
  UC1195922  Lipocarpha micrantha Herbert L. Mason 1958-8-9 14881 Tuolumne w of Hetch Hetchy Dam (Yosemite National Park, at Swamp Lake); Sierra Nevada, Yosemite National Park, Swamp Lake 1584 Comment
  UC1195923  Scirpus acutus var. occidentalis Herbert L. Mason 1958-8-9 14886 Tuolumne w side Hetch Hetchy Dam (meadow at Swamp Lake, Sierra Nevada); Sierra Nevada, Yosemite National Park, w Hetch Hetchy Dam 1584 Comment
  UC1195924  Panicum rigidulum var. rigidulum Herbert L. Mason 1958-8-9 14855 Tuolumne w side of Hetch Hetchy Dam (Sierra Nevada, Yosemite National Park, Swamp Lake area); Sierra Nevada, Yosemite National Park, Swamp Lake area 1584 Comment
  UC1195925  Mentha canadensis Herbert L. Mason 1958-8-6 14851 Tuolumne w Hetch Hetchy Dam (meadow at Swamp Lake, Yosemite National Park); Sierra Nevada, Yosemite National Park, Swamp Lake 1584 Comment
  UC1195926  Pinus contorta Herbert L. Mason 1958-8-9 14857 Tuolumne w side Hetch Hetchy Dam (Swamp Lake area); Yosemite National Park, Swamp Lake 1584 Comment
  UC1195927  Potamogeton natans Herbert L. Mason 1958-8-9 14861 Tuolumne w side of Hetch Hetchy Dam (Swamp Lake); Sierra Nevada, Yosemite National Park 1584 Comment
  UC1195928  Equisetum arvense Herbert L. Mason 1958-8-9 14864 Tuolumne w Hetch Hetchy Dam (Swamp Lake meadow); Sierra Nevada, Yosemite Nat'l Park 1584 Comment
  UC1199825  Orobanche californica subsp. grayana Herbert L. Mason 1939-7-11 12127 Tuolumne Yosemite National Park, Miguel Meadow, west of Hetch Hetchy Valley. Comment
  UC1199826  Allium campanulatum Herbert L. Mason 1938-7-26 12014 Tuolumne Andrews Peak Sierra Nevada, Yosemite National Park, Andrews Peak 2593 Comment
  UC1199828  Piperia transversa Herbert L. Mason 1937-7-22 11619 Tuolumne just s Miguel Meadows (just w of Hetch Hetchy Dam); Sierra Nevada, Yosemite National Park, Swamp Lake 1584 Comment
  UC1199829  Epipactis gigantea Herbert L. Mason 1937-7-22 11595 Tuolumne s Miguel Meadows (in hills just w of Hetch Hetchy Dam); Sierra Nevada, Yosemite National Park, Swamp Lakes 1584 Comment
  UC1199833  Delphinium polycladon Herbert L. Mason 1937-7-24 14834 Tuolumne n Hetch Hetchy Dam; Sierra Nevada, Yosemite National Park, Beehive 2133 Comment
  UC1199834  Delphinium polycladon Herbert L. Mason and L. W. Reinecke 1937-7-30 14817 Tuolumne above Mary Lake; Sierra Nevada, Saurian Crest 3048 Comment
  UC1199836  Aquilegia formosa Herbert L. Mason 1937-7-28 148221 Tuolumne Mary Lake Sierra Nevada, Yosemite National Park 2926 Comment
  UC1199838  Allium tribracteatum Herbert L. Mason 1938-7-25 12026 Tuolumne Bailey Ridge Sierra Nevada, Yosemite National Park, Bailey Ridge 2834 Comment
  UC1199844  Polygonum douglasii subsp. douglasii Herbert L. Mason 1937-7-30 14813 Tuolumne above Mary Lake; Sierra Nevada, Yosemite National Park, Saurian Crest Comment
  UC1199845  Pyrola asarifolia Herbert L. Mason and L. W. Reinecke 1937-7-22 11613 Tuolumne Swamp Lakes, south of Miguel Meadows in the hills just west of Hetch Hetchy dam, Yosemite National Park 1584 Comment
  UC1199848  Lotus oblongifolius var. oblongifolius Herbert L. Mason 1937-7-22 11599 Tuolumne s of Miguel Meadows (just w of Hetch Hetchy Dam); Sierra Nevada, Yosemite National Park, Swamp Lakes 1584 Comment
  UC1199850  Dodecatheon jeffreyi H. L. Mason 1922-7-16 307 Tuolumne Lodge Meadow Sierra Nevada Mountains, Yosemite National Park (Mather) Comment
  UC1199851  Dodecatheon alpinum Herbert L. Mason 1925-8-11 2220 Tuolumne White Wolf Comment
  UC1199852  Dodecatheon alpinum Herbert L. Mason 1923-8-9 745 Tuolumne Gaylor Lakes, steam bed below second Lakes Comment
  UC1199854  Dodecatheon jeffreyi H. L. Mason 1923-7-25 648 Tuolumne Hog Ranch Sierra Nevada Mountains, Yosemite National Park (Mather) Comment
  UC1199859  Dodecatheon jeffreyi H. L. Mason 1923-7-28 656 Tuolumne White Wolf Sierra Nevada Mountains, Yosemite National Park Comment
  UC1199863  Dodecatheon alpinum H. L. Mason 1922-8-25 348 Tuolumne Dana Fork Tuolumne River Sierra Nevada Mountains, Yosemite National Park (Tuolumne Meadows) Comment
  UC1212208  Sclerolinon digynum Herbert L. Mason 1939-7-11 12119 Tuolumne 0.5 mi below Swamp Lake (nw part of Yosemite National Park); Yosemite National Park 1554 Comment
  UC1761610  Viola adunca H. L. Mason 1923-8-4 708 Tuolumne Lyell Fork of the Tuolumne River Comment
  UC240192  Typha latifolia Herbert L. Mason 1958-8-6 Tuolumne w Hetch Hetchy (Swamp Lake, Yosemite National Park); Sierra Nevada, Yosemite National Park, w of Hetch Hetchy 1584 Comment
  UC465583  Arenaria kingii var. glabrescens Herbert L. Mason 1938-7-26 12019 Tuolumne s Jack Main Meadows; Sierra Nevada, Yosemite National Park, Andrews Peak 2438 Comment
  UC525883  Sambucus mexicana H. L. Mason 1925-6-27 2128 Tuolumne Mather Comment
  UC545811  Coreopsis stillmanii Herbert L. Mason 1936-3-21 11019 Tuolumne 4 mi n Coulterville Comment
  UC555290  Rubus glaucifolius H. L. Mason 1925-7-16 2171 Tuolumne Hog Ranch Mather, Hog Ranch Comment
  UC555327  Geum macrophyllum H. L. Mason 1922-7-24 319 Tuolumne Aspen Valley, Tioga Road, Yosemite National Park Aspen Valley; Sierra Nevada Mountains, Yosemite National Park, Aspen Valle 1676 Comment
  UC555410  Lotus oblongifolius var. oblongifolius Herbert L. Mason 1922-7-19 310 Tuolumne Lodge Meadow Yosemite National Park, Mather 1432 Comment
  UC555447  Trifolium breweri H. L. Mason 1925-8-11 2216 Tuolumne rd to Tuolumne Grove (Big Oak flat); Sierra Nevada Mountains Comment
  UC555493  Trifolium ciliolatum H. L. Mason 1925-7-10 2153 Tuolumne Hog Ranch Sierra Nevadas, Yosemite National Park Comment
  UC555508  Potentilla fruticosa Herbert L. Mason 1923-8-9 744 Tuolumne ridge e second lake (Gaylor Lakes); , ridge e of second lake Comment
  UC555509  Potentilla drummondii Herbert L. Mason 1923-8-21 752 Tuolumne n base of Puppy Dome , n base of Puppy Dome (Tuolumne Meadows) Comment
  UC555515  Potentilla flabellifolia H. L. Mason 1923-8-7 720 Tuolumne Dana Fork of Tuolumne River Comment
  UC555536  Lotus purshianus var. purshianus H. L. Mason 1925-7-2 2140 Tuolumne Mather Sierra Nevada Mountains, Yosemite National Park Comment
  UC555554  Fragaria virginiana subsp. platypetala H. L. Mason 1922-8-23 Tuolumne junction of Lyell Fork and Dana Fork Tuolumne River (Tuolumne Meadows); Yosemite National Park, Tuolumne Meadows Comment
  UC555559  Holodiscus discolor H. L. Mason 1925-7-15 2162 Tuolumne Mather Comment
  UC555566  Sorbus californica H. L. Mason 1923-8-9 739 Tuolumne w of Third Lake; Gaylor Lakes Comment
  UC555570  Trifolium wormskioldii H. L. Mason 1925-7-4 2145 Tuolumne Mather Sierra Nevada, Yosemite National Park Comment
  UC555622  Geum macrophyllum H. L. Mason 1923-8-6 712 Tuolumne Island of Lyell Fork Comment
  UC555633  Ivesia muirii H. L. Mason 1923-8-2 700 Tuolumne near headwaters of Unicorn Creek; Johnson's Peak Comment
  UC555645  Rosa bridgesii Herbert L. Mason 1925-7-30 2198 Tuolumne Smith Peak Trail Mather 1828 Comment
  UC555684  Potentilla diversifolia var. diversifolia Herbert L. Mason 1923-8-8 737 Tuolumne Dana Fork Comment
  UC555701  Potentilla gracilis var. fastigiata H. L. Mason 1923-8-21 753 Tuolumne n base Puppy Dome (Tuolumne Meadows); , n base of Puppy Dome Comment
  UC559953  Boechera lemmonii H. L. Mason 1936-7-30 11445 Tuolumne Shepherd's Crest Sierra Nevada, Mount Conness Range 3535 Comment
  UC559955  Boechera divaricarpa H. L. Mason 1936-7-23 11282 Tuolumne Mount Conness Sierra Nevada 3352 Comment
  UC565462  Arnica nevadensis Herbert L. Mason 1923-8-2 692 Tuolumne Elizabeth Lake Comment
  UC565471  Boechera pinetorum H. L. Mason 1922-8-20 344 Tuolumne Lambert Dome Sierra Nevada Mountains, Yosemite National Park, Tuolumne Me 2743 Comment
  UC565497  Agoseris heterophylla var. heterophylla Herbert L. Mason 1925-7-10 2155 Tuolumne Hog Ranch Comment
  UC565521  Stephanomeria lactucina H. L. Mason 1926-7-30 2192 Tuolumne Smith Peak Trail, Mather Sierra Nevada Mountains, Yosemite National Park Comment
  UC565522  Stephanomeria virgata subsp. pleurocarpa Herbert L. Mason 1926-7-27 2176 Tuolumne Mather Comment
  UC565524  Hieracium triste H. L. Mason 1923-8-3 707 Tuolumne w of Unicorn Creek; Yosemite National Park, Tuolumne Meadows Comment
  UC565570  Chaenactis douglasii var. douglasii H. L. Mason 1923-7-21 628 Tuolumne Hetch Hetchy Sierra Nevada Mountains, Yosemite National Park Comment
  UC565576  Hulsea heterochroma H. L. Mason 1923-7-21 635 Tuolumne Hetch Hetchy; Yosemite National Park Comment
  UC565591  Penstemon newberryi var. newberryi Herbert L. Mason 1923-7-21 631 Tuolumne Hetch Hetchy Valley - Canyon Ranch Comment
  UC565596  Penstemon laetus var. laetus H. L. Mason 1923-7-14 599 Tuolumne Mather Sierra Nevada Mountains, , Mather (Yosemite National Park) Comment
  UC565601  Keckiella breviflora Herbert L. Mason 1925-6-24 2105 Tuolumne Mather 1432 Comment
  UC566477  Hulsea algida H. L. Mason 1923-8-2 699 Tuolumne near headwaters of Unicorn Creek (w-facing gravel slope of Johnson's Peak); Sierra Nevada Mountains, Yosemite National Park, Johnson's P Comment
  UC566625  Arnica cordifolia H. L. Mason 1923-8-6 718 Tuolumne Dana Fork Sierra Nevada Mountains, Yosemite National Park Comment
  UC566650  Packera werneriifolia H. L. Mason 1922-8-2 341 Tuolumne Mt. Dana Sierra Nevada Mountains, , Mt. Dana (Yosemite National Park) Comment
  UC566665  Raillardella argentea H. L. Mason 1923-8-21 697 Tuolumne near Elizabeth Lake (near summit of Johnsons Peak); Johnsons Peak Comment
  UC566679  Trichostema oblongum H. L. Mason 1925-7-27 2178 Tuolumne Hog Ranch, Mather Comment
  UC566693  Hieracium horridum Herbert L. Mason 1923-7-21 634 Tuolumne near Hetch Hetchy Dam site; Hetch Hetchy Ry. Comment
  UC566887  Sphenosciadium capitellatum H. L. Mason 1925-8-6 2209 Tuolumne Mather Comment
  UC566917  Centaurium venustum H. L. Mason 1923-7-21 638 Tuolumne Hetch Hetchy Sierra Nevada Mountains, Yosemite National Park Comment
  UC566927  Asclepias speciosa H. L. Mason 1923-7-13 591 Tuolumne Hog.Ranch Mather 1432 Comment
  UC566928  Asclepias cordifolia H. L. Mason 1923-7-14 598 Tuolumne e Mather (near Hog Ranch) Comment
  UC566947  Gentianopsis holopetala H. L. Mason 1923-8-21 750 Tuolumne n. base Puppy Dome (Dana Fork near Gaylor Creek); Sierra Nevada Mts., Yosemite Nat'l Park Comment
  UC566948  Gentiana newberryi H. L. Mason 1923-8-6 716 Tuolumne Lyell Fork Sierra Nevada Mountains, Yosemite National Park Comment
  UC570725  Prunella vulgaris var. lanceolata H. L. Mason 1923-7-16 614 Tuolumne Hog Ranch Yosemite National Park; Sierra Nevada Mountains, Yosemite National Park Comment
  UC570743  Lamium amplexicaule H. L. Mason 1929-4-7 5192 Tuolumne 4 mi above Angels Camp Comment
  UC570852  Philadelphus lewisii Herbert L. Mason 1925-6-27 2127 Tuolumne Mather Comment
  UC570854  Darmera peltata Herbert L. Mason 1923-7-20 626 Tuolumne near Ackerson Meadows; Middlefork Tuolumne River Comment
  UC570862  Parnassia californica Herbert L. Mason 1923-8-22 761 Tuolumne Tuolumne River, Lyell Fork Tuolumne River; , Lyell Fork Comment
  UC570870  Lithophragma bolanderi Herbert L. Mason 1923-7-12 580 Tuolumne Mather Comment
  UC570947  Saxifraga bryophora H. L. Mason 1923-8-2 690 Tuolumne Elizabeth Lake; Sierra Nevada Mountains, Yosemite National Park, Elizabeth L Comment
  UC570970  Ribes roezlii Herbert L. Mason 1925-7-15 2159 Tuolumne Mather Comment
  UC570971  Ribes roezlii Herbert L. Mason 1925-7-15 2158 Tuolumne Mather Comment
  UC570977  Ribes nevadense H. L. Mason 1925-7-16 2173 Tuolumne Hog Ranch Mather Comment
  UC570978  Ribes montigenum Herbert L. Mason 1923-8-2 703 Tuolumne headwaters of Unicorn Creek, w shore of upper Elizabeth Lake Elizabeth Lake, Unicorn Creek Comment
  UC571001  Rhamnus rubra Herbert L. Mason 1925-7-16 2172 Tuolumne Mather 1432 Comment
  UC571036  Vaccinium uliginosum subsp. occidentale Herbert L. Mason 1923-7-31 677 Tuolumne Lyell Fork of the Tuolumne River Yosemite National Park, Tuolumne River Comment
  UC571052  Ledum glandulosum H. L. Mason 1928-7-4 4870 Tuolumne Yosemite National Park, Tuolumne Meadows Tuolumne Meadows; Sierra Nevada Mountains, Yosemite National Park, Tuolumne Me Comment
  UC571056  Kalmia polifolia subsp. microphylla H. L. Mason 1923-8-2 698 Tuolumne along headwaters of Unicorn Creek Unicorn Creek Comment
  UC571071  Cassiope mertensiana subsp. californica H. L. Mason 1923-8-2 701 Tuolumne North side of rocks. Cirque west of Johnson's Peak Comment
  UC571072  Rhododendron occidentale H. L. Mason 1925-6-29 2137 Tuolumne Lake Eleanor 1432 Comment
  UC571118  Sclerolinon digynum H. L. Mason 1925-6-28 2130 Tuolumne Hog Ranch Sierra Nevada Mountains, Yosemite National Park (Mather) 1432 Comment
  UC571133  Geranium californicum Herbert L. Mason 1923-7-2 2139 Tuolumne Mather 1432 Comment
  UC571147  Sedum lanceolatum H. L. Mason 1923-8-2 686 Tuolumne summit of Saddle e Unicorn Peak (Sierra Nevada Mountains, Yosemite National Park); Sierra Nevada Mountains, Yosemite National Park Comment
  UC573156  Amsinckia lycopsoides Herbert L. Mason 1935-6-27 2115 Tuolumne Hog Ranch; Mather Comment
  UC581148  Antennaria corymbosa H. L. Mason 1923-7-30 675 Tuolumne Lyell Fork of the Tuolumne River; Tuolumne River Comment
  UC581501  Viola adunca H. L. Mason 1923-7-28 655 Tuolumne White Wolf, Tioga Pass Road White Wolf 2438 Comment
  UC581504  Viola adunca H. L. Mason 1923-8-4 708 Tuolumne Lyell Fork of the Tuolumne River Lyell Fork; Tuolumne River Comment
  UC581506  Viola adunca H. L. Mason 1923-7-9 579 Tuolumne Mather; Sierra Nevada Mountains, Yosemite National Park Comment
  UC581508  Viola adunca H. L. Mason 1925-7-16 2170 Tuolumne near Mather; Hog Ranch Comment
  UC581509  Viola lobata subsp. lobata H. L. Mason 1925-7-30 2199 Tuolumne Smith Peak Trail ne of Mather; Smith Peak Trail Comment
  UC592129  Nemophila spatulata H. L. Mason 1925-7-16 2167 Tuolumne Hog Ranch Sierra Nevada Mountains, Yosemite Natl Park, Mather, Hog Ran (Yosemite National Park) Comment
  UC592144  Streptanthus tortuosus Herbert L. Mason 1925-7-9 2151 Tuolumne Mather 1432 Comment
  UC592145  Streptanthus diversifolius Herbert L. Mason 1922-7-9 576 Tuolumne Mather 1432 Comment
  UC592175  Oxypolis occidentalis H. L. Mason 1923-7-25 645 Tuolumne Lodge Meadow Sierra Nevada Mountains, Yosemite National Park, Mather Comment
  UC595050  Nemophila spatulata H. L. Mason 1938-7-15 11959 Tuolumne Tamarack Flat , Tamarack Flat (Yosemite National Park) 1950 Comment
  UC595051  Nemophila spatulata H. L. Mason 1938-7-10 11941 Tuolumne Miguel Meadows , Miguel Meadows (Yosemite National Park) 1584 Comment
  UC597014  Nemophila spatulata H. L. Mason 1938-7-29 12052 Tuolumne w Tower Peak (Saurian Crest); Yosemite National Park, , w of Tower Peak 3200 Comment
  UC599113  Carex echinata subsp. echinata H. L. Mason 1938-7-10 11922 Tuolumne w Hetch Hetchy (south island in Swamp Lake); Yosemite National Park 1584 Comment
  UC599114  Carex buxbaumii H. L. Mason 1938-7-11 11942 Tuolumne w Hetch Hetchy (South island in Swamp Lake); Yosemite National Park, Swamp Lake, South island 1584 Comment
  UC599115  Carex filifolia var. erostrata H. L. Mason 1938-7-7 11875 Tuolumne ridge e Swamp Lake (between Swamp Lake and Hetch Hetchy); Yosemite National Park 1676 Comment
  UC599119  Carex raynoldsii H. L. Mason 1938-7-30 12057 Tuolumne s end Tiltill Mountain; Yosemite National Park 2590 Comment
  UC599120  Carex specifica H. L. Mason 1938-7-30 12058 Tuolumne Tiltill Mountain, S end Yosemite Natonal Park 2590 Comment
  UC599121  Carex heteroneura H. L. Mason 1938-7-30 12056 Tuolumne South end of Tiltill Mountain, Yosemite National Park 2590 Comment
  UC599122  Carex whitneyi H. L. Mason 1938-7-30 12055 Tuolumne South end of Tiltill Mountain 2590 Comment
  UC599123  Carex luzulifolia H. L. Mason 1938-7-28 12041 Tuolumne E of Tilden Lake (Macomb Ridge); Yosemite National Park 3048 Comment
  UC599124  Carex straminiformis H. L. Mason 1938-7-25 11990 Tuolumne s base Mahan Peak (Deep Lake); Yosemite National Park, Jack Main Canyon 2438 Comment
  UC599126  Carex preslii H. L. Mason 1938-7-25 11987 Tuolumne south base of Mahan Peak (Jack Main Canyon); Yosemite National Park 2438 Comment
  UC599127  Carex preslii H. L. Mason 1938-7-28 12043 Tuolumne Macomb Ridge E of Tilden Lake Yosemite National Park 3048 Comment
  UC599128  Carex heteroneura H. L. Mason 1938-7-28 12042 Tuolumne Yosemite National Park. Macomb Ridge east of Tilden Lake. Comment
  UC599129  Carex congdonii H. L. Mason 1938-7-28 12046 Tuolumne e Tilden Lake; Yosemite National Park, Macomb Ridge 3048 Comment
  UC599130  Carex praticola H. L. Mason 1938-7-26 12022 Tuolumne Andrews Peak, S of Jack Main Meadows Yosemite National Park 2438 Comment
  UC599131  Carex raynoldsii H. L. Mason 1938-7-26 12021 Tuolumne Meadows Jack Main; Yosemite National Park, Andrew Peak 2438 Comment
  UC599132  Carex mariposana H. L. Mason 1938-7-30 12059 Tuolumne S end of Tiltill Mountain Yosemite National Park 2590 Comment
  UC599133  Carex buxbaumii H. L. Mason 1938-7-9 11890 Tuolumne w Hetch Hetchy; Yosemite National Park, Swamp Lake 1584 Comment
  UC599134  Carex vesicaria H. L. Mason 1938-7-9 11889 Tuolumne w Hetch Hetchy (Swamp Lake); Yosemite National Park 1584 Comment
  UC599135  Carex hassei H. L. Mason 1938-7-9 11895 Tuolumne w Hetch Hetchy; Yosemite National Park, Swamp Lake 1584 Comment
  UC599136  Carex feta H. L. Mason 1938-7-9 11893 Tuolumne w Hetch Hetchy; Yosemite National Park, Swamp Lake 1584 Comment
  UC599137  Carex buxbaumii H. L. Mason 1938-7-9 11901 Tuolumne w Hetch Hetchy; Yosemite National Park, Swamp Lake 1584 Comment
  UC599138  Trichophorum clementis H. L. Mason 1936-7-27 11387 Tuolumne nw Tioga Pass (Upper Gaylor Lake, Yosemite National Park); Yosemite National Park, Upper Gaylor Lake, nw of Tioga Pass 3230 Comment
  UC599139  Carex cusickii H. L. Mason 1938-7-10 11923 Tuolumne w Hetch Hetchy (South island in Swamp Lake); Yosemite National Park, Swamp Lake, South Island 1584 Comment
  UC599140  Carex limosa H. L. Mason 1938-7-10 11906 Tuolumne w Hetch Hetchy; Yosemite National Park, Swamp Lake, South Island 1584 Comment
  UC599141  Carex buxbaumii H. L. Mason 1938-7-10 11915 Tuolumne w Hetch Hetchy (South island in Swamp Lake); Yosemite National Park, Swamp Lake, South island 1584 Comment
  UC599142  Carex lenticularis var. lipocarpa H. L. Mason 1938-7-10 11919 Tuolumne w Hetch Hetchy; Yosemite National Park, Swamp Lake, South Island 1584 Comment
  UC600961  Woodsia scopulina H. L. Mason 1938-7-26 12016 Tuolumne s of Jack Main Meadows (Andrew Peak); Yosemite Nat'l Park 2438 Comment
  UC604426  Dodecatheon jeffreyi H. L. Mason 1936-7-10 11196 Tuolumne Lukens Lake Yosemite National Park, Lukens Lake 2560 Comment
  UC604427  Dodecatheon jeffreyi H. L. Mason 1936-7-10 11197 Tuolumne Lukens Lake Yosemite National Park, Lukens Lake 2560 Comment
  UC629705  Cyperus squarrosus H. L. Mason 1938-7-10 11903 Tuolumne w. Hetch Hetchy (Miguel Meadow); Yosemite Nat'l Park, Miguel Meadow 1584 Comment
  UC629708  Rotala ramosior Herbert L. Mason 1936-7-15 11258 Tuolumne 1/2 mi w of Mather 1371 Comment
  UC629709  Lipocarpha occidentalis H. L. Mason 1938-7-10 11904 Tuolumne w of Hetch-Hetchy (Yosemite National Park, Miguel Meadow); Yosemite National Park, Miguel Meadow 1584 Comment
  UC632741  Scirpus acutus var. occidentalis H. L. Mason 1938-7-8 11883 Tuolumne w Hetch Hetchy (Miguel Meadow, Yosemite National Park); Yosemite National Park, w of Hetch Hetchy, Miguel Meadow 1584 Comment
  UC632742  Juncus parryi H. L. Mason 1938-7-25 11991 Tuolumne Yosemite National Park, Jack Main Canyon Mahan Peak; Yosemite National Park, Jack Main Canyon 2438 Comment
  UC632743  Lipocarpha occidentalis H. L. Mason 1938-7-22 11981 Tuolumne n of Hetch Hetchy (Vernon Lake Trail, Yosemite National Park); Sierra Nevada, Yosemite National Park 2072 Comment
  UC632744  Bulbostylis capillaris H. L. Mason 1938-7-22 11981 a Tuolumne n of Hetch Hetchy (Vernon Lake Trail); Sierra Nevada, Yosemite National Park 2072 Comment
  UC632745  Juncus triformis H. L. Mason 1938-7-22 11981 b Tuolumne n of Hetch Hetchy (Vernoan Lake Trail); Sierra Nevada, Yosemite National Park 2072 Comment
  UC632746  Juncus triformis H. L. Mason 1938-7-11 11939 Tuolumne w of Hetch Hetchy; Yosemite National Park, Miguel Meadow 1584 Comment
  UC632747  Luzula comosa var. laxa H. L. Mason 1938-7-9 11892 Tuolumne Yosemite National Park. Swamp Lake, west of Hetch Hetchy 1584 Comment
  UC632750  Eriophorum gracile H. L. Mason 1938-7-10 11913 Tuolumne w. Hetch Hetchy dam (south island in Swamp Lake); Yosemite Nat'l Park, Swamp Lake 1584 Comment
  UC632752  Bulbostylis capillaris H. L. Mason 1938-7-11 11934 Tuolumne w of Hetch Hetchy; Miguel Meadow 1584 Comment
  UC632753  Bulbostylis capillaris H. L. Mason 1938-7-6 11858 Tuolumne between Swamp Lake and Miguel Meadow; Yosemite National Park 1645 Comment
  UC632754  Eleocharis bella Herbert L. Mason 1938-7-11 11930 Tuolumne W of Hetch Hetchy (Miguel Meadow); Yosemite National Park 1584 Comment
  UC632756  Luzula comosa var. laxa H. L. Mason 1938-7-7 11862 Tuolumne Yosemite National Park. Miguel Meadow, west of Hetch Hetchy 1584 Comment
  UC632757  Luzula comosa var. laxa H. L. Mason 1938-7-9 11894 Tuolumne Yosemite National Park. Swamp Lake, west of Hetch Hetchy 1584 Comment
  UC632758  Lomatium utriculatum H. L. Mason 1938-7-7 11868 Tuolumne between Swamp Lake and Hetch Hetchy (Brecca ridge, Yosemite Nat'l Park); Yosemite Nat'l Park, Brecca ridge 1981 Comment
  UC632759  Muhlenbergia filiformis H. L. Mason 1938-7-6 11858 a Tuolumne dry ridge between Swamp Lake and Miguel Meadow; Yosemite National Park 1645 Comment
  UC632760  Lupinus stiversii H. L. Mason 1938-7-6 11861 Tuolumne between Swamp Lake and Miguel Meadow (Yosemite National Park); Sierra Nevada, , btw Swamp Lake and Mi 1645 Comment
  UC632761  Lotus oblongifolius var. oblongifolius H. L. Mason 1938-7-7 11864 Tuolumne w of Hetch Hetchy; Sierra Nevada, Yosemite National Park, Miguel Meadow 1584 Comment
  UC632762  Trifolium variegatum H. L. Mason 1938-7-22 11975 Tuolumne n Hetch Hetchy (Vernon Lake Trail); Sierra Nevada, Yosemite National Park 2072 Comment
  UC632763  Lupinus rivularis H. L. Mason 1938-7-28 12030 Tuolumne Macomb Ridge e Tilden Lake; Yosemite National Park, Macomb Ridge e of Tilden Lake 3048 Comment
Read comments
Jul 19 2018
  UC632766  Trifolium microcephalum H. L. Mason 1938-7-22 11973 Tuolumne n Hetch Hetchy (Bernon Lake Trail); Sierra Nevada, Yosemtie National Park 2072 Comment
  UC632771  Lipocarpha micrantha H. L. Mason 1938-7-10 11905 Tuolumne w of Hetch Hetchy (Yosemite National Park, Miguel Meadow); Yosemite National Park Yosemite National Park Yosemite Natio 1584 Comment
  UC632772  Trichophorum clementis Herbert L. Mason 1936-7-26 11387 Tuolumne w Gaylor Lakes (Moraine Flat); Yosemite National Park, w of Gaylor Lakes, Moraine Flat 2987 Comment
  UC632777  Cyperus squarrosus H. L. Mason 1938-8-1 12070 Tuolumne Tiltill Valley Yosemite Nat'l Park, Tiltill Valley 1676 Comment
  UC632780  Dulichium arundinaceum H. L. Mason 1938-8-1 12063 Tuolumne Rancheria Mountain Trail, Tiltill Valley, Yosemite National Park Tiltill Valley; Yosemite National Park, Tiltill Valley 1676 Comment
  UC632781  Dulichium arundinaceum H. L. Mason 1938-7-10 11920 Tuolumne w of Hetch Hetchy (South Island in Swamp Lake, Yosemite National Park); Yosemite National Park, South Island in Swamp Lake 1584 Comment
  UC632788  Castilleja applegatei subsp. pinetorum H. L. Mason 1936-3-20 11000 Tuolumne 3 mi above Tuolumne Comment
  UC632797  Galium bolanderi H. L. Mason 1936-7-15 11253 Tuolumne 1/2 mi w Mather (margin of pool) 1371 Comment
  UC632799  Githopsis pulchella subsp. serpentinicola H. L. Mason 1936-5-15 11108 Tuolumne 10 mi se Sonora; Yosemite Junction Comment
  UC632800  Galium porrigens H. L. Mason 1936-3-20 11009 Tuolumne three mi above Tuolumne Comment
  UC632804  Lonicera cauriana Herbert L. Mason 1936-7-27 11392 Tuolumne Gaylor Lakes west of Tioga Pass 3200 Comment
  UC632810  Nemophila pedunculata H. L. Mason 1936-3-20 11010 Tuolumne three mi above Tuolumne; above Tuolumne Comment
  UC632832  Wyethia mollis H. L. Mason 1936-7-10 11193 Tuolumne se White Wolf; Yosemite National Park, Lukens Lake 2560 Comment
  UC632835  Agoseris retrorsa H. L. Mason 1936-4-13 11088 Tuolumne Italian Bar Comment
  UC632840  Logfia filaginoides H. L. Mason 1936-3-20 11006 Tuolumne 3 mi above Tuolumne Comment
  UC632844  Bidens tripartita H. L. Mason 1936-7-15 11251 Tuolumne 1/2 mi w of Mather 1371 Comment
  UC632847  Mentha canadensis H. L. Mason 1936-7-15 11248 Tuolumne 1/2 mi w Mather 1371 Comment
  UC632851  Schoenoplectus acutus var. occidentalis H. L. Mason 1938-8-1 12064 Tuolumne Rancheria Mountain Trail Yosemite National Park, Tiltill Valley (Tiltill Valley, Yosemite National Park) 1676 Comment
  UC632854  Micropus californicus var. californicus H. L. Mason 1936-4-13 11090 Tuolumne Italian Bar Comment
  UC632858  Lasthenia gracilis H. L. Mason 1936-4-13 11085 Tuolumne Italian Bar Comment
  UC632864  Pseudobahia heermannii H. L. Mason 1936-3-20 11002 Tuolumne 3 mi above Tuolumne Comment
  UC632868  Lindernia dubia var. anagallidea H. L. Mason 1936-7-15 11255 Tuolumne 0.5 mi w Mather 1371 Comment
  UC632871  Gnaphalium palustre H. L. Mason 1936-7-12 11250 Tuolumne 0.5 mi w Mather 1371 Comment
  UC632877  Pseudobahia heermannii H. L. Mason 1936-3-20 11012 Tuolumne 3 mi above Tuolumne Comment
  UC632878  Crocidium multicaule H. L. Mason 1936-3-21 11037 Tuolumne head of Moccasin Creek Comment
  UC634529  Eriogonum lobbii var. lobbii Herbert L. Mason 1923-8-2 688 Tuolumne summit of saddle e Unicorn Peak; Yosemite National Park Comment
  UC634538  Salix eastwoodiae H. L. Mason 1923-7-29 668 Tuolumne Dana Fork Tuolumne Meadows Comment
  UC634539  Salix eastwoodiae H. L. Mason 1923-7-29 668 Tuolumne Dana Fork Tuolumne Meadows Comment
  UC634541  Salix planifolia subsp. planifolia H. L. Mason 1923-7-30 672 Tuolumne Lyell Fork - branch of Tuolumne R. Comment
  UC634543  Salix planifolia subsp. planifolia H. L. Mason 1922-7-31 337 Tuolumne Lyell Fork of Tuolumne R. 2438 Comment
  UC634553  Salix petrophila H. L. Mason 1923-8-2 695 Tuolumne cirque w of Johnson Peak (near Elizabeth Lake) Comment
  UC634566  Ceanothus cuneatus var. cuneatus Herbert L. Mason 1925-6-27 2126 Tuolumne Mather (Hog Ranch) Comment
  UC634647  Cornus nuttallii H. L. Mason 1925-7-20 2200 Tuolumne Smith Peak Trail from Mather; Yosemite Nat'l Park Comment
  UC634662  Clarkia rhomboidea H. L. Mason 1925-7-4 2150 Tuolumne Mather Comment
  UC634664  Clarkia heterandra H. L. Mason 1925-6-24 2102 Tuolumne Mather Comment
  UC634667  Circaea alpina subsp. pacifica H. L. Mason 1923-7-21 632 Tuolumne Hetch Hetchy Comment
  UC634668  Circaea alpina subsp. pacifica H. L. Mason 1925-7-30 2191 Tuolumne Smith Peak Trail from Mather Comment
  UC634676  Epilobium canum subsp. latifolium H. L. Mason 1923-7-21 627 Tuolumne Hetch Hetchy Sierra Nevada Mountains Comment
  UC634688  Epilobium densiflorum H. L. Mason 1925-7-16 2163 Tuolumne in stream beds and meadows Hog Ranch Comment
  UC634692  Clarkia williamsonii H. L. Mason 1925-7-4 2149 Tuolumne near Mather Comment
  UC634712  Clarkia biloba H. L. Mason 1925-6-27 2123 Tuolumne near Mather (Hog Ranch) Comment
  UC634740  Rhododendron occidentale H. L. Mason 1925-6-29 2137 Tuolumne Lake Eleanor 1432 Comment
  UC634741  Rhododendron occidentale H. L. Mason 1923-7-20 625 Tuolumne Hog Ranch, Middle Fork Hog Ranch; , Middle Fork Comment
  UC634782  Oxypolis occidentalis H. L. Mason 1925-8-6 2208 Tuolumne near Mather (in bogs) Comment
  UC634783  Oxypolis occidentalis H. L. Mason 1925-7-29 2185 Tuolumne near Mather; Hog Ranch Comment
  UC634820  Vitis californica Herbert L. Mason 1925-6-29 2138 Tuolumne Lake Eleanor 1219 Comment
  UC634857  Nemacladus capillaris H. L. Mason 1938-7-7 11866 Tuolumne ridge between Swamp Lake and Hetch Hetchy; Yosemite National Park 1981 Comment
  UC634858  Nemacladus interior H. L. Mason 1938-7-6 11859 Tuolumne ridge between Swamp Lake and Miguel Meadow; Yosemite National Park 1645 Comment
  UC634863  Monardella breweri subsp. lanceolata H. L. Mason 1923-7-26 651 Tuolumne Hog Ranch near Mather, Sierra Nevada Mountains Comment
  UC634876  Mentha canadensis H. L. Mason 1925-7-4 2146 Tuolumne Mather Comment
  UC634929  Ranunculus orthorhynchus var. orthorhynchus H. L. Mason 1923-7-13 588 Tuolumne Hog Ranch Mather Comment
  UC634930  Aquilegia formosa H. L. Mason 1923-7-12 586 Tuolumne Mather Sierra Nevada Mtns, Yosemite National Park Comment
  UC634950  Thalictrum sparsiflorum H. L. Mason 1923-8-1 680 Tuolumne Lyell Fork Sierra Nevada Mountains Comment
  UC635008  Eriogonum spergulinum var. spergulinum H. L. Mason 1928-7-4 4871 Tuolumne Tuolumne Meadows Comment
  UC635071  Chorizanthe membranacea Herbert L. Mason 1925-6-27 2117 Tuolumne Hog Ranch Mather, Hog Ranch Comment
  UC635074  Eriogonum umbellatum var. furcosum Herbert L. Mason 1925-7-27 2179 Tuolumne Mather Comment
  UC635075  Eriogonum roseum Herbert L. Mason 1925-7-29 2180 Tuolumne Mather Comment
  UC635076  Eriogonum nudum var. deductum Herbert L. Mason 1925-7-29 2181 Tuolumne Mather Comment
  UC635077  Eriogonum roseum H. L. Mason 1925-7-29 2180 Tuolumne Mather Comment
  UC635095  Ranunculus occidentalis H. L. Mason 1923-7-19 615 Tuolumne Mather Comment
  UC635108  Aquilegia pubescens H. L. Mason 1923-7-31 678 Tuolumne Dana Fork Sierra Nevada Mtns Comment
  UC635109  Aconitum columbianum H. L. Mason 1922-7-25 329 Tuolumne Yosemite Nat'l Park, Porcupine Flat Sierra Nevada Mts., Yosemite Nat'l Park, Porcupine Flat 2133 Comment
  UC635155  Pyrola picta H. L. Mason 1923-7-20 620 Tuolumne near edge of Ackerson Meadows Ackerson Meadows Comment
  UC635177  Stachys ajugoides var. rigida H. L. Mason 1925-7-16 2166 Tuolumne Hog Ranch Mather Comment
  UC635178  Stachys ajugoides var. rigida H. L. Mason 1925-7-16 2168 Tuolumne near Mather (Hog Ranch) Comment
  UC635179  Stachys albens H. L. Mason 1925-7-16 2169 Tuolumne near Mather (Hog Ranch) Comment
  UC635202  Aesculus californica Herbert L. Mason 1925-6-27 2129 Tuolumne near Mather (Tuolumne Canyon); Tuolumne Canyon Comment
  UC635222  Triteleia hyacinthina H. L. Mason 1923-7-12 582 Tuolumne Hog Ranch Yosemite National Park (in very wet portions of meadows) Comment
  UC635223  Brodiaea elegans subsp. elegans H. L. Mason 1923-7-12 584 Tuolumne Hog Ranch Yosemite National Park Comment
  UC635224  Triteleia ixioides subsp. anilina H. L. Mason 1923-7-16 611 Tuolumne Hog Ranch Sierra Nevada Mountains, Yosemite National Park Comment
  UC635250  Allium obtusum H. L. Mason 1928-7-5 4878 Tuolumne near Gaylor Lakes (vicinity of Tioga Pass); Sierra Nevada 2895 Comment
  UC635258  Allium campanulatum H. L. Mason 1923-7-20 619 Tuolumne near Carl Inn (Ackerson Meadows); Sierra Nevada Mountains, Yosemite National Park Comment
  UC635328  Claytonia parviflora subsp. parviflora H. L. Mason 1925-7-27 2177 Tuolumne Hog Ranch, Mather; Mather Comment
  UC635329  Montia chamissoi H. L. Mason 1923-8-7 721 Tuolumne Dana Fork of Tuolumne River, Yosemite National Park Tuolumne River; Sierra Nevada Mountains, Yosemite National Park, Tuolumne Ri Comment
  UC635332  Lewisia triphylla H. L. Mason 1923-8-2 689 Tuolumne near Elizabeth Lake (ne slopes of Unicorn Peak); Sierra Nevada Mountains, Unicorn Peak Comment
  UC635336  Delphinium polycladon H. L. Mason 1922-8-24 347 Tuolumne w base of mt e Tioga Pass; Sierra Nevada Mountains, Yosemite National Park, Mount Dana 3030 Comment
  UC635384  Epilobium obcordatum H. L. Mason 1923-9-19 784 Tuolumne upper lake Sierra Nevada Mountains, Yosemite National Park, Gaylor Lake (near Tioga Mines) Comment
  UC635412  Actaea rubra H. L. Mason 1925-8-11 2212 Tuolumne Big Oak Flat Rd. to Tuolumne Grove Comment
  UC635421  Ranunculus aquatilis var. hispidulus H. L. Mason 1925-6-27 2120 Tuolumne Hog Ranch Mather Comment
  UC635527  Ceanothus integerrimus Herbert L. Mason 1925-6-27 2125 Tuolumne Mather (Hog Ranch) Comment
  UC635557  Pleuricospora fimbriolata H. L. Mason 1922-7-24 320 Tuolumne Sierra Nevada Mountains, Yosemite National Park, Aspen Valley Aspen Valley; Sierra Nevada Mountains, Yosemite National Park, Aspen Valle 1676 Comment
  UC635583  Nemacladus interior H. L. Mason 1923-7-12 577 Tuolumne Mather; Sierra Nevada Mountains, Yosemite National Park Comment
  UC635614  Eschscholzia caespitosa H. L. Mason 1923-6-30 301 Tuolumne roadside above Oakland Recreation Camp at South Fork 1066 Comment
  UC635635  Limnanthes alba subsp. versicolor H. L. Mason 1923-7-16 612 Tuolumne near Mather; Hog Ranch Comment
  UC635636  Limnanthes alba subsp. versicolor H. L. Mason 1924-5-29 1025 Tuolumne Hog Ranch Sierra Nevada Mountains, Yosemite National Park, Mather (in stream bed) Comment
  UC635638  Campanula prenanthoides H. L. Mason 1925-8-11 2218 Tuolumne Big Oak Flat Road to Tuolumne Grove Comment
  UC635658  Downingia montana H. L. Mason 1922-7-19 315 Tuolumne Mather Sierra Nevada Mountains, Yosemite National Park 1432 Comment
  UC635691  Heterocodon rariflorum H. L. Mason 1923-7-12 578 Tuolumne Mather; Sierra Nevada Mountains, Yosemite National Park Comment
  UC635711  Downingia montana H. L. Mason 1923-7-24 641 Tuolumne Hog Ranch, Mather Sierra Nevada Mountains, Yosemite National Park, Mather 1432 Comment
  UC635725  Eleocharis bella Herbert L. Mason 1937-7-21 11557 b Tuolumne Miguel Meadows Yosemite National Park 1645 Comment
  UC635726  Lipocarpha occidentalis Herbert L. Mason 1937-7-21 11557 Tuolumne Yosemite National Park, Miguel Meadows Miguel Meadows; Yosemite National Park, Miguel Meadows 1645 Comment
  UC635727  Lipocarpha occidentalis Herbert L. Mason 1937-7-21 11557 a Tuolumne Yosemite National Park, Miguel Meadows Miguel Meadows; Yosemite National Park, Miguel Meadows 1645 Comment
  UC640585  Silene bridgesii H. L. Mason 1923-7-20 624 Tuolumne Hog Ranch Sierra Nevada, Yosemite National Park, Mather, Hog Ranch (Mather, Yosemite National Park) Comment
  UC640587  Silene bridgesii H. L. Mason 1925-7-10 2154 Tuolumne Hog Ranch Sierra Nevada Mountains, Yosemite National Park (Mather, Yosemite National Park) Comment
  UC641693  Selaginella watsonii H. L. Mason 1936-7-24 11354 Tuolumne White Mt.; Sierra Nevada, Mt. Conness Range Comment
  UC641694  Salix petrophila H. L. Mason 1936-7-27 11383 Tuolumne vicinity Tioga Pass Gaylor Lakes; Sierra Nevada Comment
  UC641703  Salix petrophila H. L. Mason 1936-7-23 11300 Tuolumne Mt. Conness alpine slopes Mt. Conness; Sierra Nevada Comment
  UC641771  Eriogonum ovalifolium var. nivale H. L. Mason 1936-7-24 11330 Tuolumne White Mountain Sierra Nevada, Mount Conness Range, White Mountain Comment
  UC641772  Eriogonum incanum H. L. Mason 1936-7-24 11341 Tuolumne White Mountain Sierra Nevada, Mount Conness Range, White Mountain Comment
  UC641777  Eriogonum incanum H. L. Mason 1936-7-23 11305 Tuolumne alpine slopes of Mount Conness Sierra Nevada, Mount Conness Comment
  UC641789  Rumex paucifolius H. L. Mason 1936-7-23 11286 Tuolumne Mount Conness Sierra Nevada, Tioga Pass Region Comment
  UC641790  Rumex paucifolius H. L. Mason 1936-7-24 11338 Tuolumne White Mountain Sierra Nevada, Mount Conness Range, Tioga Pass Region Comment
  UC641798  Oxyria digyna H. L. Mason 1936-7-23 11292 Tuolumne alpine slopes Mount Conness; Sierra Nevada, slopes of Mount Conness Comment
  UC641820  Eriogonum ovalifolium var. nivale H. L. Mason 1936-7-24 11327 Tuolumne White Mountain Sierra Nevada, Mount Conness Range, White Mountain Comment
  UC641962  Luzula spicata H. L. Mason 1936-7-23 11276 Tuolumne alpine slopes se of summit Mount Conness; Sierra Nevada, se of summit Mount Conness 3505 Comment
  UC641968  Selaginella watsonii H. L. Mason 1936-7-23 11278 Tuolumne Mt. Conness; Sierra Nevada Comment
  UC641993  Eriogonum ovalifolium var. nivale H. L. Mason 1936-7-23 11285 Tuolumne alpine slopes of Mount Conness Sierra Nevada, Mount Conness Comment
  UC642009  Eriogonum ovalifolium var. nivale H. L. Mason 1936-7-23 11829 Tuolumne alpine slopes of Mount Conness Sierra Nevada, Mount Conness Comment
  UC642058  Allium obtusum H. L. Mason 1936-7-24 11322 Tuolumne White Mountain, Mount Conness Range Sierra Nevada, Mount Conness Range, White Mountain Comment
  UC642614  Boechera depauperata H. L. Mason 1936-7-23 11297 Tuolumne Mount Conness Sierra Nevada Comment
  UC642615  Boechera lemmonii H. L. Mason 1936-7-24 11326 Tuolumne White Mountain Sierra Nevada, Mount Conness Range Comment
  UC642630  Potentilla amicarum H. L. Mason 1936-7-23 11302 Tuolumne Mount Conness Sierra Nevada, Mount Conness 3505 Comment
  UC642654  Ivesia muirii H. L. Mason 1936-7-23 11295 Tuolumne Mount Conness; Sierra Nevada 3505 Comment
  UC642664  Ivesia lycopodioides subsp. lycopodioides H. L. Mason 1936-7-24 11325 B Tuolumne White Mountain; Sierra Nevada, Mount Conness Range 3505 Comment
  UC642665  Ivesia lycopodioides subsp. lycopodioides H. L. Mason 1936-7-23 11296 B Tuolumne Mount Conness; Sierra Nevada 3505 Comment
  UC642674  Lewisia glandulosa H. L. Mason 1936-7-23 11283 Tuolumne alpine slopes of Mount Conness Sierra Nevada, Mount Conness Comment
  UC642676  Calyptridium umbellatum H. L. Mason 1936-7-23 11309 Tuolumne Mount Conness; Sierra Nevada, Mount Conness Comment
  UC642682  Calyptridium umbellatum H. L. Mason 1936-7-23 11310 Tuolumne Mount Conness; Sierra Nevada, Mount Conness Comment
  UC642735  Saxifraga aprica H. L. Mason 1936-7-25 11361 Tuolumne w base of Mount Conness; Sierra Nevada, Mount Conness 3291 Comment
  UC642738  Sedum rosea subsp. integrifolium H. L. Mason 1936-7-23 11274 Tuolumne alpine slopes Mount Conness (Sierra Nevada); , alpine slopes of Mount Conness 3505 Comment
  UC642757  Ribes cereum H. L. Mason 1936-7-24 11353 Tuolumne White Mountain Sierra Nevada, Mount Conness Range 3505 Comment
  UC642771  Calyptridium umbellatum H. L. Mason 1936-7-24 11337 Tuolumne Mount Conness Range, White Mountain White Mountain; Sierra Nevada, Mount Conness Range, White Mountain Comment
  UC642783  Lewisia pygmaea H. L. Mason 1936-7-25 11360 Tuolumne slope, w base of Mount Conness Sierra Nevada, Mount Conness Comment
  UC642829  Lewisia pygmaea H. L. Mason 1923-8-2 687 Tuolumne e side of Unicorn Peak Sierra Nevada, Unicorn Peak Comment
  UC642830  Lewisia pygmaea H. L. Mason 1923-8-1 681 Tuolumne Lyell Fork of Tuolumne River Sierra Nevada, Yosemite National Park, Lyell Fork of Tuolumn Comment
  UC642872  Erysimum perenne H. L. Mason 1936-7-23 11280 Tuolumne Mount Conness Sierra Nevada Comment
  UC642895  Boechera howellii H. L. Mason 1936-7-24 11323 Tuolumne White Mountain Mount Conness Range 3505 Comment
  UC642898  Boechera depauperata H. L. Mason 1936-7-24 11348 Tuolumne White Mountain Sierra Nevada, Mount Conness Range 3505 Comment
  UC665616  Allophyllum integrifolium Herbert L. Mason 1941-7-12 12479 Tuolumne w. Hetch Hetchy Valley (Miguel Meadow); Sierra Nevada, Yosemite Nat'l Park, Miguel Meadow Comment
  UC672062  Veratrum californicum var. californicum Herbert L. Mason 1922-7-19 313 Tuolumne Lodge Meadow Bog, Mather Sierra Nevada, Yosemite National Park 1432 Comment
  UC672066  Trillium angustipetalum Herbert L. Mason 1925-7-30 2188 Tuolumne n.e. Mather (Smith Peak Trail) Comment
  UC672067  Trillium angustipetalum Herbert L. Mason 1925-7-30 2188 Tuolumne n.e. Mather (Smith Peak Trail) Comment
  UC672114  Fritillaria atropurpurea Herbert L. Mason 1928-7-5 4872 Tuolumne Yosemite National Park, Tioga Pass Tioga Pass; Sierra Nevada, Yosemite National Park, Tioga Pass Comment
  UC672121  Disporum hookeri Herbert L. Mason July, 1924 1100 Tuolumne Mather, Middle Fork of the Tuolumne River Middle Fork Tuolumne River; Mather, Middle Fork Tuolumne River Comment
  UC672135  Camassia quamash H. L. Mason 1922-7-24 317 Tuolumne Yosemite National Park, Aspen Valley Aspen Valley; Sierra Nevada Mountains, Yosemite National Park, Aspen Valle 1676 Comment
  UC672140 Image available Calochortus venustus Herbert L. Mason 1923-7-12 585 Tuolumne near Mather; Yosemite National Park, Hog Ranch Comment
  UC672191  Solidago velutina subsp. californica H. L. Mason 1925-7-31 2201 Tuolumne Mather , Mather (Sierra Nevada Mountains) Comment
  UC672222  Solidago elongata H. L. Mason 1923-7-25 646 Tuolumne Hog Ranch Sierra Nevada Mountains, Mather, Hog Ranch (Mather, Sierra Nevada Mountains) Comment
  UC672231  Erigeron algidus H. L. Mason 1923-8-2 704 Tuolumne cirque w of Johnson Peak (low ridge w of lakes, at headwaters of creek); Yosemite National Park, Unicorn Creek Comment
  UC672232  Erigeron lonchophyllus H. L. Mason 1923-8-21 751 Tuolumne at junction of Lyell Fork and Dana Fork (Tuolumne River, n base of Puppy Dome); Sierra Nevada Mountains, Yosemite National Park, Puppy Dome Comment
  UC672253  Erigeron linearis Herbert L. Mason 1923-8-9 743 Tuolumne ridge e of second Gaylor Lake; Sierra Nevada, Yosemite National Park 3291 Comment
  UC672264  Ericameria bloomeri H. L. Mason 1923-9-18 764 Tuolumne White Wolf Sierra Nevada Mountains, Yosemite National Park, White Wolf Comment
  UC672266  Hazardia whitneyi var. whitneyi H. L. Mason 1923-9-18 765 Tuolumne White Wolf Sierra Nevada Mountains, Yosemite National Park, White Wolf Comment
  UC672295  Oreostemma alpigenum var. andersonii H. L. Mason 1923-7-28 654 Tuolumne White Wolf, Mather to Tuolumne Meadows (Tioga Pass Rd) Sierra Nevada Mts, Yosemite National Park 2438 Comment
  UC672305  Oreostemma alpigenum var. andersonii H. L. Mason 1923-8-21 754 Tuolumne junction of Lyell Fork and Dana Fork of Tuolumne River, n base of Puppy Dome Sierra Nevada Mts, Yosemite National Park, Puppy Dome Comment
  UC672306  Oreostemma alpigenum var. andersonii H. L. Mason 1923-8-21 756 Tuolumne junction of Lyell fork and Dana Fork of Tuolumne River Sierra Nevada Mountains, Yosemite National Park, Puppy Dome Comment
  UC672345  Phacelia quickii H. L. Mason 1924-5-29 1024 Tuolumne Mather Sierra Nevada Mountains, Yosemite National Park Comment
  UC672375  Eriodictyon californicum Herbert L. Mason 1925-6-27 2124 Tuolumne Mather , Mather (Hog Ranch) Comment
  UC672379  Draperia systyla H. L. Mason 1923-7-21 633 Tuolumne Hetch Hetchy, Sierra Nevada Mountains, Yosemite National Park Comment
  UC672380  Draperia systyla H. L. Mason 1922-7-16 309 Tuolumne Mather Sierra Nevada Mountains, Yosemite National Park (summit of hill n of Hetch-Hetchy Lodge) Comment
  UC672482  Collinsia tinctoria H. L. Mason 1923-7-26 652 Tuolumne Mather, Hog Ranch Hog Ranch; Mather, Hog Ranch Comment
  UC672487  Cordylanthus tenuis subsp. tenuis H. L. Mason 1925-7-30 2193 Tuolumne ne Mather (Smith Peak Trail) Comment
  UC672506  Veronica americana H. L. Mason 1925-7-28 2131 Tuolumne Mather, Hog Ranch Hog Ranch; Mather, Hog Ranch Comment
  UC672510  Veronica scutellata H. L. Mason 1925-7-4 2147 Tuolumne Mather Comment
  UC672513  Veronica serpyllifolia subsp. humifusa H. L. Mason 1925-7-30 2194 Tuolumne ne of Mather (Smith Peak trail); Smith Peak trail Comment
  UC672528  Mimulus breweri H. L. Mason 1925-7-13 2157 Tuolumne Harden Lake Sierra Nevada, Yosemite National Park 2308 Comment
  UC672531  Mimulus filicaulis H. L. Mason 1923-7-20 618 a Tuolumne near Hog Ranch (Ackerson's Meadows); Mather Comment
  UC672533  Mimulus torreyi H. L. Mason 1923-7-14 594 Tuolumne Mather Comment
  UC672534  Mimulus microphyllus H. L. Mason 1923-7-13 593 Tuolumne Hog Ranch Mather Comment
  UC672535  Mimulus pulchellus H. L. Mason 1923-7-9 590 Tuolumne Mather Comment
  UC672536  Mimulus guttatus H. L. Mason 1923-7-25 644 Tuolumne Lodge Meadow Mather Comment
  UC672575  Veronica serpyllifolia subsp. humifusa H. L. Mason 1925-6-28 2132 Tuolumne Mather, Hog Ranch Hog Ranch; Mather, Hog Ranch Comment
  UC672581  Mimulus pulchellus H. L. Mason 1925-6-27 2114 Tuolumne Hog Ranch Mather Comment
  UC672589  Hypericum anagalloides H. L. Mason 1923-7-25 647 Tuolumne Hog Ranch, Mather Mather, Hog Ranch Comment
  UC672623  Botrychium multifidum H. L. Mason 1923-8-8 724 Tuolumne Tuolumne Meadows, Morrain[sic] Flat Sierra Nevada Mountains, Yosemite National Park Comment
  UC672624  Botrychium multifidum H. L. Mason 1925-7-30 2196 Tuolumne Smith Peak Trail from Mather Comment
  UC672625  Botrychium simplex H. L. Mason 1923-7-30 676 Tuolumne Tuolumne Meadows Sierra Nevada Mountains, Yosemite National Park Comment
  UC672671  Sisyrinchium idahoense var. idahoense H. L. Mason 1923-7-30 674 Tuolumne the [Lytell] fork of the Tuolumne River (Tuolumne Meadows); Sierra Nevada Mountains, Yosemite National Park Comment
  UC673310  Potentilla drummondii Herbert L. Mason 1923-8-6 717 Tuolumne near Lyell Fork Tuolumne River (Yosemite National Park); Sierra Nevada, Yosemite Natl Park, Lyell Fork Tuolumne R Comment
  UC673312  Drymocallis lactea var. lactea Herbert L. Mason 1923-8-21 752 Tuolumne n base of Lembert's Dome Sierra Nevada, Yosemite National Park, Tuolumne Meadows (Tuolumne Meadows, Yosemite National Park) Comment
  UC673318  Potentilla amicarum Herbert L. Mason 1923-8-9 746 Tuolumne Gaylor Lakes Sierra Nevada, , Gaylor Lakes (Yosemite National Park) Comment
  UC673319  Drymocallis hansenii Herbert L. Mason 1925-6-28 2134 Tuolumne near Mather (Hog Ranch); Yosemite National Park, near Mather, Hog Ranch Comment
  UC673324  Potentilla breweri Herbert L. Mason 1923-8-7 723 Tuolumne 0.5 mi from mouth, Dana Fork Tuolumne River Moraine Creek; Sierra Nevada, Yosemite Natl Park, Dana Fork Tuolumne R Comment
  UC673325  Potentilla drummondii Herbert L. Mason 1923-8-8 735 Tuolumne 0.5 mi from mouth Moraine Creek (Dana Fork Tuolumne River); Sierra Nevada, Yosemite Natl Park, Dana Fork Tuolumne R Comment
  UC673326  Potentilla amicarum Herbert L. Mason 1923-8-9 747 Tuolumne Gaylor Lakes Sierra Nevada, Yosemite National Park, Gaylor Lakes Comment
  UC673327  Potentilla drummondii Herbert L. Mason 1923-8-8 736 Tuolumne 0.5 mi from mouth Moraine Creek (Dana Fork Tuolumne River); Sierra Nevada, Yosemite Natl Park, Dana Fork Tuolumne R Comment
  UC673328  Potentilla drummondii Herbert L. Mason 1923-8-21 749 Tuolumne near Gaylor Lakes (Dana Fork Tuolumne River); Sierra Nevada, Yosemite Natl Park, Dana Fork Tuolumne R Comment
  UC673329  Potentilla flabellifolia Herbert L. Mason 1923-8-8 731 Tuolumne 0.5 mi from mouth, Dana Fork Tuolumne River Moraine Creek; Sierra Nevada, Yosemite Natl Park, Dana Fork Tuolumne R Comment
  UC673330  Potentilla drummondii Herbert L. Mason 1923-8-8 732 Tuolumne 0.5 mi from mouth Moraine Creek (Dana Fork Tuolumne River); Sierra Nevada, Yosemite Natl Park, Dana Fork Tuolumne R Comment
  UC673331  Potentilla diversifolia var. diversifolia Herbert L. Mason 1923-8-8 730 Tuolumne 0.5 mi from mouth, Dana Fork Tuolumne River Moraine Creek; Sierra Nevada, Yosemite Natl Park, Dana Fork Tuolumne R Comment
  UC673332  Potentilla drummondii Herbert L. Mason 1923-8-8 729 Tuolumne 0.5 mi from mouth Moraine Creek (Dana Fork Tuolumne River); Sierra Nevada, Yosemite National Park, Dana Fork Tuolumne River Comment
  UC673333  Potentilla diversifolia var. diversifolia Herbert L. Mason 1923-8-8 728 Tuolumne 0.5 mi from mouth, Dana Fork Tuolumne River Moraine Creek; Sierra Nevada, Yosemite Natl Park, Dana Fork Tuolumne R Comment
  UC673334  Potentilla diversifolia var. diversifolia Herbert L. Mason 1923-8-8 727 Tuolumne 0.5 mi from mouth, Dana Fork Tuolumne River Moraine Creek; Sierra Nevada, Yosemite Natl Park, Dana Fork Tuolumne R Comment
  UC673335  Potentilla gracilis var. fastigiata Herbert L. Mason 1923-8-8 725 Tuolumne 0.5 mi from mouth, Dana Fork Tuolumne River, Yosemite National Park Moraine Creek; Sierra Nevada, Yosemite Natl Park, Dana Fork Tuolumne R Comment
  UC673348  Potentilla drummondii subsp. breweri Herbert L. Mason 1923-8-8 726 Tuolumne 0.5 mi from mouth, Dana Fork Tuolumne River, Yosemite National Park Moraine Creek; Sierra Nevada, Yosemite Natl Park, Dana Fork Tuolumne R Comment
  UC673354  Dodecatheon alpinum Herbert L. Mason 1923-7-28 655 a Tuolumne White Wolf Sierra Nevada Mountains, Yosemite Natl Park, White Wolf (Yosemite National Park) Comment
  UC673374  Lilium pardalinum H. L. Mason 1922-7-19 314 Tuolumne Mather Sierra Nevada Mountains, Yosemite National Park (Lodge Meadow) 1432 Comment
  UC673388  Dodecatheon jeffreyi H. L. Mason 1922-7-22 318 Tuolumne Aspen Valley Sierra Nevada Mountains, Yosemite National Park Comment
  UC673392  Kalmia polifolia subsp. microphylla Herbert L. Mason 1938-7-9 11900 Tuolumne Yosemite National Park, Swamp Lake Swamp Lake; Sierra Nevada, Yosemite National Park, Swamp Lake 1584 Comment
  UC673393  Kalmia polifolia subsp. polifolia Herbert L. Mason 1938-7-6 11852 Tuolumne Swamp Lake Sierra Nevada, , Swamp Lake (Yosemite National Park) 1584 Comment
  UC673399  Lilium parvum Herbert L. Mason 1925-6-29 2135 Tuolumne Lake Eleanor; Sierra Nevada, Yosemite National Park 1432 Comment
  UC673414  Eleocharis engelmannii Herbert L. Mason 1939-7-13 121142 Tuolumne W of Hetch Hetchy (margin of lake in gravel pit, Miguel Meadow); Yosemite National Park 1584 Comment
  UC673420  Cyperus squarrosus Herbert L. Mason 1939-7-11 12121 Tuolumne 1/2 mi. w. Swamp Lake (w. of Hetch Hetchy Valley); Yosemite Nat'l Park 1554 Comment
  UC673467  Castilleja lacera H. L. Mason 1925-7-31 2207 Tuolumne Mather Comment
  UC673468  Castilleja lacera H. L. Mason 1923-7-26 653 Tuolumne Hog Ranch Hog Ranch, Mather; Mather Comment
  UC673472  Castilleja lineariloba H. L. Mason 1925-6-24 2101 Tuolumne Mather Comment
  UC673494  Dodecatheon jeffreyi H. L. Mason 1922-7-16 307 Tuolumne Lodge Meadow bog Sierra Nevada Mountains, Yosemite National Park (Mather) Comment
  UC673496  Dodecatheon jeffreyi H. L. Mason 1922-7-16 308 Tuolumne Hog Ranch Sierra Nevada Mountains, Yosemite National Park (Mather) Comment
  UC673497  Dodecatheon jeffreyi H. L. Mason 1922-7-22 318 Tuolumne Aspen Valley Sierra Nevada Mountains, Yosemite National Park Comment
  UC673515  Zigadenus venenosus var. venenosus H. L. Mason 1925-6-28 2133 Tuolumne Hog Ranch Mather Comment
  UC673516  Zigadenus venenosus var. venenosus H. L. Mason 1923-7-12 581 Tuolumne Mather Comment
  UC673545  Scrophularia californica H. L. Mason 1923-8-6 710 Tuolumne s side of dome on <gore> between Lyell and Dana forks of Tuolumne River; Sierra Nevada Mts Comment
  UC673566  Cypripedium montanum H. L. Mason 1925-8-11 2214 Tuolumne Bif Oak Flat road to Tuolumne Grove (along stream) Comment
  UC673569  Goodyera oblongifolia H. L. Mason 1925-8-11 2217 Tuolumne Big Oak Flat Road to Tuolumne Grove; Big Oak Flat Road Comment
  UC673572  Spiranthes stellata Herbert L. Mason 1923-7-21 639 Tuolumne Poopenaut Valley Sierra Nevada, Yosemite National Park, vicinity of Hetch Het Comment
  UC673583  Platanthera leucostachys H. L. Mason 1922-7-19 312 Tuolumne Mather , Mather (Lodge Meadows) 1432 Comment
  UC673590  Listera convallarioides H. L. Mason 1925-7-30 2190 Tuolumne ne Mather (along Smith Peak Trail) Comment
  UC673601  Lathyrus sulphureus H. L. Mason 1925-7-4 2143 Tuolumne Mather Sierra Nevada Mountains, Yosemite National Park Comment
  UC712231  Phacelia hastata subsp. compacta Herbert L. Mason 1936-7-23 11315 Tuolumne Mount Conness Sierra Nevada 3505 Comment
  UC712247  Penstemon heterodoxus H. L. Mason 1936-7-23 11275 Tuolumne alpine slopes of Mount Conness , Mount Conness (Sierra Nevada) 3505 Comment
  UC712252  Galium bifolium Herbert L. Mason 1936-7-25 Tuolumne meadow below cirque on west side of mountain; Mount Conness Range, White Mountain 3200 Comment
  UC712255  Penstemon heterodoxus Herbert L. Mason 1936-7-23 11307 Tuolumne alpine slopes of Mount Conness Sierra Nevada, Mount Conness 3505 Comment
  UC712299  Lupinus lepidus var. lobbii H. L. Mason 1936-7-23 11290 Tuolumne alpine slopes Mount Conness (Sierra Nevada); , alpine slopes of Mount Conness 3505 Comment
  UC712358  Castilleja nana Herbert L. Mason 1936-7-23 11287 Tuolumne Mount Conness 3505 Comment
  UC712368  Castilleja nana Herbert L. Mason 1936-7-24 11347 Tuolumne White Mountain; Mount Conness Range 3505 Comment
  UC712400  Antennaria media H. L. Mason 1936-7-23 11273 Tuolumne alpine slopes of Mount conness; Sierra Nevada 3505 Comment
  UC712403  Antennaria media Herbert L. Mason 1936-7-24 11344 Tuolumne Conness Range Sierra Nevada, Yosemite National Park, White Moutain, Connes 3505 Comment
  UC712444  Gentiana newberryi H. L. Mason 1936-7-24 11339 Tuolumne White Mountain Sierra Nevada, Mount Conness Range 3505 Comment
  UC712456  Phyllodoce breweri Herbert L. Mason 1936-7-23 11306 Tuolumne Tioga Pass region, Mount Conness Mount Conness; Tioga Pass region, Mount Conness 3474 Comment
  UC712494  Erigeron linearis Herbert L. Mason 1936-7-27 11372 Tuolumne vicinity Tioga Pass; Sierra Nevada, Gaylor Lakes 3261 Comment
  UC712506  Erigeron pygmaeus H. L. Mason 1936-7-24 11346 Tuolumne White Mountain Sierra Nevada, Mount Conness Range, White Mountain 3505 Comment
  UC712511  Erigeron pygmaeus H. L. Mason 1936-7-23 11284 Tuolumne Mount Conness Sierra Nevada, Mount Conness 3505 Comment
  UC712598  Erigeron algidus Herbert L. Mason 1936-7-24 11343 Tuolumne alpine slopes of White Mountain; Sierra Nevada, Mount Conness Range, White Mountain 3413 Comment
  UC712611  Hulsea algida Herbert L. Mason 1939-7-23 11311 Tuolumne alpine slopes of Mount Conness Sierra Nevada, Mount Conness 3505 Comment
  UC712649  Penstemon davidsonii var. davidsonii Herbert L. Mason 1936-7-23 11291 Tuolumne Mount Conness Sierra Nevada 3505 Comment
  UC714181  Polemonium eximium Herbert L. Mason 1936-7-23 11294 Tuolumne alpine slopes Mount Conness; Sierra Nevada, alpine slopes Mount Conness 3505 Comment
  UC714182  Polemonium eximium Herbert L. Mason 1936-7-30 11448 Tuolumne Shepherds Crest Sierra Nevada, , Shepherds Crest (Mount Conness Range) 3474 Comment
  UC714183  Polemonium pulcherrimum Herbert L. Mason 1936-7-23 11316 Tuolumne alpine slopes of Mount Conness , alpine slopes Mount Conness (Sierra Nevada) 3505 Comment
  UC714188  Polemonium pulcherrimum Herbert L. Mason 1936-7-24 11328 Tuolumne White Mountain Sierra Nevada, Mount Conness Range, White Mountain 3505 Comment
  UC714189  Polemonium eximium Herbert L. Mason 1936-7-24 11340 Tuolumne White Mountain Sierra Nevada, , White Mountain (Mount Conness Range) 3505 Comment
  UC714193  Polemonium pulcherrimum H. L. Mason 1936-7-30 11449 Tuolumne Shepherds Crest Sierra Nevada, , Shepherds Crest (Mount Conness Range) 3474 Comment
  UC714228  Carex congdonii H. L. Mason 1936-7-22 11267 Tuolumne w spur of Ragged Peak Sierra Nevada, Conness Range, Ragged Peak Comment
  UC714287  Leptodactylon pungens H. L. Mason 1936-7-30 11444 Tuolumne Shepherds Crest; Sierra Nevada, Mount Conness Range, Shepherds Crest Comment
  UC714371  Boechera lyallii Herbert L. Mason 1936-7-24 11351 Tuolumne White Mountain Mount Conness Range 3505 Comment
  UC714376  Astragalus kentrophyta var. danaus H. L. Mason 1936-7-30 11446 Tuolumne vicinity Mount Conness (Shepherds Crest); Sierra Nevada, vicin Mount Conness, Shepherds Crest Comment
  UC714391  Podistera nevadensis Herbert L. Mason 1936-7-23 11288 Tuolumne Mount Conness Sierra Nevada 3505 Comment
  UC714392  Podistera nevadensis Herbert L. Mason 1936-7-24 11324 Tuolumne White Mountain Sierra Nevada, Mount Conness Range 3505 Comment
  UC714411  Erigeron compositus Herbert L. Mason 1936-7-26 11388 Tuolumne moraine flat near Gaylor Lakes; Sierra Nevada 3048 Comment
  UC714412  Erigeron compositus Herbert L. Mason 1936-7-26 11382 Tuolumne moraine flat near Gaylor Lakes; Sierra Nevada 3048 Comment
  UC714440  Senecio integerrimus var. exaltatus H. L. Mason 1936-7-23 11279 Tuolumne Mount Conness Sierra Nevada Comment
  UC714453  Senecio fremontii var. occidentalis H. L. Mason 1936-7-30 11447 Tuolumne Shepherds Crest Sierra Nevada, Mount Conness Range Comment
  UC714474  Packera werneriifolia H. L. Mason 1936-7-24 11329 Tuolumne White Mountain Sierra Nevada, , White Mountain (Mount Conness Range) 3505 Comment
  UC714475  Packera werneriifolia H. L. Mason 1936-7-23 11308 Tuolumne slopes Mount Conness (Sierra Nevada); , Mount Conness 3505 Comment
  UC714480  Packera werneriifolia H. L. Mason 1936-7-22 11266 Tuolumne above Young Lake (Ragged Peak, Mount Conness Range); Sierra Nevada, Mount Conness Range, Ragged Peak Comment
  UC764184  Salix planifolia subsp. planifolia H. L. Mason 1923-7-30 672 Tuolumne Lyell Fork, branch of Tuolumne R. Comment
  UC775187  Lupinus andersonii Herbert L. Mason 1941-7-12 12481 Tuolumne w Hetch Hetchy Valley (Miguel Meadow, Yosemite National Park); Sierra Nevada, Yosemite National Park 1584 Comment
  UC907882  Gilia capitata subsp. pedemontana Herbert L. Mason 1923-7-26 650 Tuolumne Mather Comment
  UC907910  Collomia linearis Herbert L. Mason 1925-8-11 2222 a Tuolumne Morraine Flat Tuolumne Meadows 2743 Comment
  UC907960  Phlox gracilis Herbert L. Mason 1941-7-12 12480 Tuolumne nw of Hetch-Hetchy Dam; Yosemite National Park, Miguel Meadows Comment
  UC908029  Phlox gracilis Herbert L. Mason 1928-7-4 4869 Tuolumne Tuolumne Meadows Comment
  UC908146  Navarretia intertexta Herbert L. Mason 1936-5-15 11101 Tuolumne Yosemite Junction Comment
  UC908147  Navarretia tagetina Herbert L. Mason 1936-5-15 11104 Tuolumne Yosemite Junction Comment
  UC908178  Navarretia intertexta Herbert L. Mason 1923-7-15 603 Tuolumne 3 mi w Mather; Salt Log 1371 Comment
  UC908179  Navarretia intertexta Herbert L. Mason 1925-7-16 2174 Tuolumne Mather 1432 Comment
  UC908211 Image available Navarretia divaricata Herbert L. Mason 1941-6-10 12484 Tuolumne east of North Mountain, North Mountain Ridge, Yosemite National Park, Comment
  UC908393 Image available Navarretia divaricata subsp. vividior Herbert L. Mason 1941-7-12 12480 a Tuolumne Miguel Meadows, Yosemite National Park Comment
Read comments
Aug 18 2015
  UC908413  Linanthus ciliatus Herbert L. Mason 1924-5-26 1021 Tuolumne Mather (Hog Ranch), in hills about Mather Mather Comment
  UC908435  Navarretia leptalea subsp. bicolor Herbert L. Mason 1923-8-6 715 Tuolumne Tuolumne Meadows Yosemite National Park, Lyell Fork Tuolumne River (Lyell Fork of Tuolumne River, Yosemite National Park) Comment
  UC908521  Navarretia pubescens Herbert L. Mason 1936-5-15 11103 Tuolumne Yosemite Junction Comment
  UC908779  Collomia grandiflora Herbert L. Mason 1924-5-26 1020 Tuolumne hills about Mather (Hog Ranch) Comment
  UC908967  Navarretia leptalea subsp. leptalea Herbert L. Mason Sept. 1922 359 a Tuolumne Mather Comment
  UC908968  Navarretia leptalea subsp. leptalea Herbert L. Mason 1923-7-14 595 a Tuolumne Mather Sierra Nevada, Mather 1432 Comment
  UC909006  Polemonium occidentale Herbert L. Mason 1923-7-30 671 Tuolumne Tuolumne Meadows Dana Fork Tuolumne River, Tuolumne Meadows Comment
  UC909064  Gilia capitata subsp. pedemontana Herbert L. Mason 1925-6-27 2116 Tuolumne edge of Hog Ranch Meadow , edge of Hog Ranch Meadow (Mather) Comment
  UC909138  Phlox gracilis Herbert L. Mason 1928-7-5 4873 Tuolumne Tioga Pass Comment
  UC912215  Adenocaulon bicolor Herbert L. Mason 1923-7-20 618 Tuolumne in creek bed Hog Ranch; Mather Comment
  UC912217  Antennaria argentea Herbert L. Mason 1925-6-27 2118 Tuolumne near, (at Hog Ranch) Mather Comment
  UC912218  Antennaria argentea Herbert L. Mason 1925-6-27 2119 Tuolumne near, (Hog Ranch) Mather Comment
  UC912242  Cirsium occidentale var. californicum Herbert L. Mason 1925-6-24 2103 Tuolumne Mather Comment
  UC912282  Stellaria longipes var. longipes Herbert L. Mason 1925-7-9 2152 Tuolumne Hog Ranch; Mather Comment
  UC912346  Heterocodon rariflorum Herbert L. Mason 1925-7-2 2148 Tuolumne Mather; Sierra Nevada 1432 Comment
  UC912376  Calystegia malacophylla subsp. malacophylla H. L. Mason 1925-7-4 2144 Tuolumne Mather Sierra Nevada Mountains, Yosemite National Park, Mather (Yosemite National Park, Sierra Nevada Mountains) Comment
  UC912377  Calystegia malacophylla subsp. malacophylla H. L. Mason 1925-7-4 2144 Tuolumne Mather Sierra Nevada Mountains, Yosemite National Park, Mather (Yosemite National Park, Sierra Nevada Mountains) Comment
  UC912447  Lonicera conjugialis Herbert L. Mason 1923-7-20 623 Tuolumne Ackerson Meadow Mather, Ackerson Creek Comment
  UC912473  Calyptridium monospermum Herbert L. Mason 1923-7-14 595 Tuolumne Mather Comment
  UC912487  Anaphalis margaritacea Herbert L. Mason 1922-7-19 311 Tuolumne Lodge Meadow Comment
  UC912498  Cirsium andersonii Herbert L. Mason 1923-8-22 761 Tuolumne Lyell Fork Comment
  UC912499  Erigeron elmeri H. L. Mason 1923-8-4 709 Tuolumne Lamberts Dome Yosemite Nationa Park, Lamberts Dome Comment
  UC912510  Wyethia mollis Herbert L. Mason 1923-8-7 719 Tuolumne s-facing slope Dana Fork Comment
  UC912538  Lessingia leptoclada H. L. Mason 1925-7-29 2183 Tuolumne Hog Ranch Mather Comment
  UC912591  Madia elegans H. L. Mason 1925-6-24 2104 Tuolumne Mather Sierra Nevada Mountains, Yosemite National Park Comment
  UC912636  Holcus lanatus Herbert L. Mason 1925-7-31 2205 Tuolumne Hog Ranch Mather (Mather) Comment
  UC912640  Agrostis viridis Herbert L. Mason 1925-7-31 2203 Tuolumne meadows Mather Comment
  UC912643  Phleum pratense Herbert L. Mason 1925-7-11 2204 Tuolumne Mather Comment
  UC912675  Delphinium hansenii H. L. Mason 1923-7-21 632 Tuolumne Hetch Hetchy Sierra Nevada Mountains Comment
  UC912684  Isoetes occidentalis Herbert L. Mason 1936-7-15 11249 Tuolumne 1/2 mi w Mather Comment
  UC912685  Isoetes bolanderi Herbert L. Mason 1936-7-10 11183 Tuolumne Luken's Lake; Yosemite Nat'l Park Comment
  UC912687  Selaginella watsonii Herbert L. Mason 1936-7-21 11260 Tuolumne w end Tenaya Lake Comment
  UC912691  Botrychium simplex Herbert L. Mason 1936-7-10 11180 Tuolumne Lukens Lake Yosemite National Park Comment
  UC912692  Botrychium simplex Herbert L. Mason 1936-7-27 11370 Tuolumne Gaylor Lakes Yosemite National Park Comment
  UC936166  Minuartia rubella H. L. Mason 1936-7-23 11299 Tuolumne Alpine Slopes Mount Conness Comment
  UC936167  Minuartia nuttallii subsp. gracilis H. L. Mason 1936-7-23 11304 Tuolumne Mount Conness Yosemite National Park Comment
  UC936171  Minuartia nuttallii subsp. gracilis Herbert L. Mason 1936-7-24 11320 Tuolumne White Mountain Yosemite National Park, Conness Range Comment
  UC936172  Minuartia obtusiloba Herbert L. Mason 1936-7-24 11320 Tuolumne White Mountain Yosemite National Park, Conness Range. Comment
  UC936173  Crepis intermedia Herbert L. Mason 1936-7-27 11395 Tuolumne Gaylor Lake Yosemite National Park Comment
  UC936205  Minuartia nuttallii subsp. gracilis H. L. Mason 1936-7-23 11304 Tuolumne Mount Conness Yosemite National Park Comment
  UC936209  Minuartia obtusiloba H. L. Mason 1936-7-24 11352 Tuolumne White Mountain Yosemite National Park, Conness Range. Comment
  UC955485  Pteridium aquilinum var. pubescens H. L. Mason and Mrs. H. M. Hall 1923-8-4 R- 378 Tuolumne Lambert's Dome Tuolumne Meadows; Sierra Nevada Mts, Yosemite Nat'l Park 2590 Comment
  UC962125  Vaccinium cespitosum Herbert L. Mason 1923-8-2 696 Tuolumne w of Johnson Peak; Elizabeth Lake Comment
  UC962127  Vaccinium uliginosum subsp. occidentale H. L. Mason 1923-7-31 677 Tuolumne Dana Fork Sierra Nevada Mountains, Yosemite National Park Comment
  UC963763  Navarretia divaricata Herbert L. Mason 1925-6-25 2112 Tuolumne Hog Ranch Mather 1432 Comment
  UC964729  Lactuca tatarica subsp. pulchella Herbert L. Mason 1940-7-6 12316 Tuolumne Miguel Meadows 1584 Comment
  UC964732  Lindernia dubia var. anagallidea Herbert L. Mason 1925-7-16 2175 Tuolumne Mather Comment
  UC964735  Veronica peregrina subsp. xalapensis H. L. Mason 1925-6-25 2113 Tuolumne Mather, Hog Ranch Hog Ranch; Mather, Hog Ranch Comment
  UC971707  Navarretia divaricata H. L. Mason 1941-7-12 12478 Tuolumne Miguel Meadows Yosemite National Park Comment
  UC971862  Limnanthes striata Charles T. Mason Jr. 1949-5-9 1286 Tuolumne 9.5 mi se Keystone (on Keystone-La Grange road) Comment
  UC971867  Limnanthes striata Charles T. Mason Jr. 1949-5-9 1292 Tuolumne 1.3 mi w Chinese Camp (ditch on s side of State Hwy 120) Comment
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Oct 25 2009
  UC971907  Limnanthes striata Charles T. Mason Jr. 1949-5-9 1285 Tuolumne 2 mi se Keystone (Keystone-La Grange rd, along a stream) Comment
  UC972238  Linanthus filipes Herbert L. Mason 1936-4-13 11087 Tuolumne Italian Bar Comment
  UC985662  Alisma plantago-aquatica Herbert L. Mason 1925-6-24 2100 Tuolumne Mather Comment
  UC985664  Alisma plantago-aquatica Herbert L. Mason and Lawrence W. Reinecke 1937-7-22 11610 Tuolumne w Hetch-Hetchy; Yosemite National Park, Swamp Lake Comment
  UCD110445  Elatine brachysperma Herbert L. Mason 1936-7-15 12757 Tuolumne 0.5 mile west of Mather, Sierra Nevada. Comment
  UCD131019  Coreopsis stillmanii Herbert L. Mason 1936-3-21 11019 Tuolumne 4 miles north of Coulterville. Comment
  UCD138306  Potamogeton robbinsii Herbert L. Mason; Lawrence W. Reinecke 1937-7-22 11602 Tuolumne Swamp Lakes, just north of Miguel Meadows in the hills just west of Hetch Hetchy dam. Yosemite National Park. Comment
  UCD140311  Carex feta Herbert L. Mason; Lawrence W. Reinecke 1937-7-21 11561 Tuolumne Miguel Meadows, just northwest of Hetch Hetchy Dam, Yosemite National Park. 1524 Comment
  UCD142182  Luzula spicata H. L. Mason 1936-7-27 11390 Tuolumne Gaylor Lakes, Yosemite Natl. Park. Sierra Nevada. 3048 Comment
  UCD39810  Navarretia vividior Herbert L. Mason 1941-7-12 12480 a Tuolumne Yosemite National Park, Miguel Meadows. 1889 Comment
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Aug 18 2015
  UCD48471  Navarretia intertexta H. L. Mason 1925-7-16 2174 Tuolumne Meadows; Mather, Sierra Nevada, Tuolumne County. 1432 Comment
  UCD49878  Eriophorum gracile Herbert L. Mason; Lawrence W. Reinecke 1937-7-22 11579 Tuolumne Swamp Lakes, just south of Miguel Meadows, east of Hetch Hetchy dam. Comment
  UCD53002  Agrostis oregonensis H. L. Mason 1939-7-28 11971 Tuolumne Vernon Lake Trail, north and east of Hetch-Hetchy, Yosemite National Park. Comment
  UCD53396  Agrostis scabra H. L. Mason 1938-7-25 12010 Tuolumne Deep Lake, east base of Mahan Peak, Yosemite National Park. Comment
  UCD53626  Agrostis stolonifera H. L. Mason 1958-8-6 14893 Tuolumne Yosemite National Park, NW of Hetch-Hetchy, Swamp Lake meadow. Comment
  UCD57206  Calamagrostis canadensis H. L. Mason 1958-8-6 14862 Tuolumne Yosemite National Park, NW of Hetch-Hetchy, Swamp Lake meadow. Comment
  UCD57234  Calamagrostis canadensis H. L. Mason 1938-7-10 11914 Tuolumne Yosemite National Park, northwest of Hetch-Hetchy, South Island of Swamp Lake. Comment
  UCD57543  Calamagrostis purpurascens H. L. Mason 1938-7-28 12407 Tuolumne Yosemite National Park, north of Tiltill Mtn., Macomb Ridge. 3017 Comment
  UCD57714  Calamagrostis purpurascens H. L. Mason 1936-7-23 11303 Tuolumne Yosemite National Park, slopes of Mt. Conness. Comment
  UCD60718  Danthonia californica var. americana H. L. Mason 1958-8-6 Tuolumne Yosemite Natl. Park. Swamp Lake Meadow. Northwest of Hetch-Hetchy. Comment
  UCD61353  Danthonia unispicata H. L. Mason 1938-7-25 12012 Tuolumne At east base of Mahan Peak, Yosemite Natl. Park. Comment
  UCD61430  Elymus elymoides H. L. Mason 1936-7-23 11313 Tuolumne Mt. Conness, Yosemite Natl. Park. Comment
  UCD61488  Elymus elymoides H. L. Mason 1936-7-27 11389 Tuolumne Gaylor Lakes, west of Tioga Pass, Yosemite Natl. Park. Comment
  UCD62342  Elymus glaucus subsp. glaucus H. L. Mason 1938-7-22 11974 Tuolumne Vernon Lake Trail, north and east of Hetch-Hetchy, Yosemite Natl. Park. Comment
  UCD62578  Elymus sierrae H. L. Mason 1938-7-28 12029 Tuolumne Yosemite National Park. Macomb Ridge, N of Tiltill Mtn. 3017 Comment
  UCD65819  Festuca brachyphylla subsp. breviculmis H. L. Mason 1936-7-23 11293 Tuolumne Yosemite National Park. Alpine slopes of Mt. Conness. Comment
  UCD66177  Festuca occidentalis H. L. Mason 1939-7-12 12129 Tuolumne Yosemite National Park, northwest of Hetch-Hetchy, woods near Swamp Lake. Comment
  UCD66424  Festuca saximontana var. purpusiana H. L Mason 1936-7-24 11334 Tuolumne White Mountain. Comment
  UCD66751  Glyceria borealis H. L. Mason 1938-7-9 11899 Tuolumne Yosemite Natl. Park. Swamp Lake, northwest of Hetch - Hetchy. Comment
  UCD85211  Glyceria striata H. L. Mason 1939-7-12 12133 Tuolumne Yosemite National Park, northwest of Hetch-Hetchy. Miguel Meadows. Comment
  UCD86260  Melica aristata H. L. Mason 1939-7-12 12130 Tuolumne Yosemite National Park, northwest of Hetch-Hetchy. Near Swamp Lake. Comment
  UCD86813  Muhlenbergia montana H. L. Mason 1938-7-22 11972 Tuolumne Vernon Lake Trail, north and east of Hetch-Hetchy, Yosemite Natl. Park. Comment
  UCD88314  Melica stricta H. L. Mason 1939-7-26 14827 Tuolumne Mahan Peak, Yosemite National Park. 2438 Comment
  UCD88710  Panicum acuminatum var. fasciculatum H. L. Mason 1939-7-22 11968 Tuolumne Vernon Lake Trail, north and east of Hetch-Hetchy, Yosemite National Park. Comment
  UCD88711  Panicum acuminatum var. fasciculatum H. L. Mason 1958-8-6 14870 Tuolumne Yosemite National Park, NW of Hetch-Hetchy, Swamp Lake meadow. Comment
  UCD89631  Phleum pratense H. L. Mason 1958-8-6 14895 Tuolumne Yosemite National Park, NW of Hetch-Hetchy, Swamp Lake meadow. Comment
  UCD89966  Panicum rigidulum H. L. Mason 1958-8-6 14855 Tuolumne Yosemite National Park, NW of Hetch-Hetchy, Swamp Lake meadow. Comment
  UCD90537  Poa lettermanii H. L. Mason 1936-7-23 s.n. Tuolumne Yosemite National Park. Mt. Conness. Comment
  UCD91078  Poa glauca subsp. rupicola H. L. Mason 1936-7-23 11312 Tuolumne Mt. Conness, Yosemite National Park. Comment
  UCD91603  Poa wheeleri H. L. Mason 1936-7-23 11301 Tuolumne Alpine slopes of Mt. Conness, Yosemite National Park. Comment
  UCD91604  Poa wheeleri H. L. Mason 1936-7-24 11331 Tuolumne White Mountain. Comment
  UCD91605  Poa wheeleri H. L. Mason 1936-7-24 11332 Tuolumne White Mountain. Comment
  UCD91700  Poa secunda subsp. secunda H. L. Mason 1938-7-28 12034 Tuolumne Yosemite National Park. Macomb Ridge, N of Tiltill Mtn. Comment
  UCD91931  Poa pratensis H. L. Mason 1938-7-11 11932 Tuolumne Miguel Meadow, near Swamp Lake, northwest of Hetch-Hetchy. Yosemite National Park. Comment
  UCD93737  Trisetum spicatum H. L Mason 1936-7-24 11342 Tuolumne White Mountain. Comment
  UCD98165  Herniaria hirsuta var. cinerea Herbert L. Mason 1923-7-21 636 Tuolumne Hetch Hetchy. Yosemite National Park. Comment
  UCD98744  Dysphania botrys H. L. Mason 1925-8-6 2210 Tuolumne On railroad balast at Mather. Comment
  UCLA71460  Stachys albens H. L. Mason 1925-7-16 2169 Tuolumne near Mather (Hog Ranch) Comment
  UCR139436  Rotala ramosior H. L. Mason 1936-7-15 11256 Tuolumne Sierra Nevada Mtns., 0.5 mi west of Mather 1372 Comment
  UCR139438  Ranunculus orthorhynchus var. orthorhynchus H. L. Mason 1923-7-13 588 Tuolumne Sierra Nevada Mtns., Hog Ranch (Mather) 1400 Comment
  UCR49702  Ranunculus flammula H. L. Mason 1923-7-13 592 Tuolumne Sierra Nevada Mtns., Hog Ranch (Mather) 1400 Comment
  UCSB46427  Cyperus squarrosus Mason, H. 1938-8-1 Tuolumne Tiltill Valley, Yosemite National Park 1676 Comment
  UCSB72202  Hypericum anagalloides Mason, H. 1938-7-10 Tuolumne South Island Swamp Lake Comment
  YM-YOSE63689  Rotala ramosior H. L. Mason 1938-7-11 11929 Tuolumne MIGUEL MEADOW Comment
  YM-YOSE64033  Kalmia polifolia var. microphylla H. L. Mason 1938-7-6 11852 Tuolumne SOUTH ISLAND. SWAMP LAKE Comment
  YM-YOSE64610  Lupinus latifolius var. columbianus H. L. Mason 1938-7-28 12030 Tuolumne MACOMB RIDGE EAST OF TILDEN LAKE 3048 Comment
  YM-YOSE64679  Trifolium microcephalum H. L. Mason 1938-7-22 11973 Tuolumne VERNON LAKE TRAIL 2072 Comment
  YM-YOSE64691  Trifolium variegatum var. pauciflorum H. L. Mason 1938-7-22 11975 Tuolumne VERNON LAKE TRAIL NORTH OF HETCH HETCHY 2072 Comment
  YM-YOSE64739  Callitriche marginata H. L. Mason 1938-7-10 11907 Tuolumne SOUTH ISLAND. SWAMP LAKE RESEARCH RESERVE Comment
  YM-YOSE65037  Nuphar polysepala H. L. Mason 1938-7-10 11927 Tuolumne SWAMP LAKE RESEARCH RESERVE. SOUTH ISLAND Comment
  YM-YOSE65334  Navarretia divaricata Harry L. Mason 1938-7-6 11860 Tuolumne RIDGE BETWEEN SWAMP LAKE AND MIGUEL MEADOW 1676 Comment
  YM-YOSE65374  Nemophila spatulata Harry L. Mason 1938-7-11 11941 Tuolumne MIGUEL MEADOW 1584 Comment
  YM-YOSE65387  Carex buxbaumii H. L. Mason 1938-7-9 11890 Tuolumne SWAMP LAKE RESEARCH RESERVE. SOUTH ISLAND 1584 Comment
  YM-YOSE65389  Carex buxbaumii H. L. Mason 1938-7-11 11942 Tuolumne SWAMP LAKE RESEARCH RESERVE. SOUTH ISLAND Comment
  YM-YOSE65390  Carex buxbaumii H. L. Mason 1938-7-11 11942 Tuolumne SOUTH ISLAND. SWAMP LAKE 1584 Comment
  YM-YOSE65391  Carex buxbaumii H. L. Mason 1938-7-10 11915 Tuolumne SWAMP LAKE RESEARCH RESERVE. SOUTH ISLAND. SWAMP LAKE 1584 Comment
  YM-YOSE65396  Carex brevipes H. L. Mason 1938-7-25 11997 Tuolumne DEEP LAKE. SOUTH BASE OF MAHAN PEAK. JACK MAIN CANYON 2438 Comment
  YM-YOSE65399  Carex congdonii H. L. Mason 1938-7-28 12046 Tuolumne MACOMB RIDGE EAST OF TILDEN LAKE 3048 Comment
  YM-YOSE65410  Carex cusickii H. L. Mason 1938-7-10 11923 Tuolumne SWAMP LAKE RESEARCH RESERVE. SOUTH ISLAND 1584 Comment
  YM-YOSE65465  Carex limosa H. L. Mason 1938-7-10 11906 Tuolumne SOUTH ISLAND IN SWAMP LAKE 1584 Comment
  YM-YOSE65466  Carex luzulifolia H. L. Mason 1938-7-28 12041 Tuolumne MACOMB RIDGE EAST OF TILDEN LAKE 3048 Comment
  YM-YOSE65510  Carex ormantha H. L. Mason 1938-7-10 11922 Tuolumne SWAMP LAKE RESEARCH RESERVE. SOUTH ISLAND. SWAMP LAKE Comment
  YM-YOSE65514  Carex paucicostata H. L. Mason 1938-7-10 11919 Tuolumne SOUTH ISLAND SWAMP LAKE. WEST OF HETCH HETCHY 1584 Comment
  YM-YOSE65520  Carex preslii H. L. Mason 1938-7-25 11987 Tuolumne DEEP LAKE. SOUTH BASE MAHAN PEAK. JACK MAIN CANYON 2438 Comment
  YM-YOSE65521  Carex preslii H. L. Mason 1938-7-28 12043 Tuolumne MACOMB RIDGE EAST OF TILDEN LAKE 3048 Comment
  YM-YOSE65566  Dulichium arundinaceum H. L. Mason 1938-7-10 11920 Tuolumne SWAMP LAKE RESEARCH RESERVE. SOUTH ISLAND. SWAMP LAKE Comment
  YM-YOSE65577  Eriophorum gracile H. L. Mason 1938-7-10 11913 Tuolumne SWAMP LAKE RESEARCH RESERVE. SOUTH ISLAND. SWAMP LAKE Comment
  YM-YOSE65672  Juncus dubius H. L. Mason 1938-7-10 11925 Tuolumne SWAMP LAKE RESEARCH RESERVE. SOUTH ISLAND. SWAMP LAKE Comment
  YM-YOSE66536  Potamogeton natans H. L. Mason 1938-7-11 11944 Tuolumne SWAMP LAKE RESEARCH RESERVE. OFF SOUTH ISLAND. SWAMP LAKE Comment
  YM-YOSE66547  Utricularia gibba Harry L. Mason 1938-7-6 11854 Tuolumne SWAMP LAKE RESEARCH RESERVE, SOUTH ISLAND OF LAKE 1554 Comment
  YM-YOSE66550  Utricularia vulgaris Harry L. Mason 1938-7-10 11916 Tuolumne SWAMP LAKE RESEARCH RESERVE, SOUTH ISLAND OF LAKE Comment
  YM-YOSE66553  Utricularia Harry L. Mason 1938-7-6 11854 Tuolumne SWAMP LAKE RESEARCH RESERVE, SOUTH ISLAND OF SWAMP LAKE 1554 Comment
  YM-YOSE66651  Calamagrostis canadensis H. L. Mason 1938-7-10 11914 Tuolumne SOUTH ISLAND. SWAMP LAKE Comment
  YM-YOSE66978  Muhlenbergia filiformis H. L. Mason 1938-7-10 11911 Tuolumne SWAMP LAKE RESEARCH RESERVE. SOUTH ISLAND. SWAMP LAKE Comment
  YM-YOSE67189  Botrychium simplex Harry L. Mason 1938-7-7 11865 Tuolumne MIGUEL MEADOW 1584 Comment
  CAS-BOT-BC102117  Bidens cernua Herbert L. Mason 1939-7-11 12123 Tuolumne Swamp Lake, just west of Hetch Hetchy Dam, Yosemite National Park 1584 Comment
  CAS-BOT-BC10257  Delphinium hansenii Herbert L. Mason 1938-7-7 11874 Tuolumne Ridge east of Swamp Lake, between Swamp Lake and Hetch Hetchy 1676 Comment
  CAS-BOT-BC111983  Lipocarpha occidentalis H. L. Mason 1938-7-10 11904 Tuolumne Margin of lake at gravel pit, Miguel Meadow, west of Hetch-Hetchy. 1584 Comment
  CAS-BOT-BC113398  Eleocharis engelmannii Herbert L. Mason 1939-7-13 12142 Tuolumne Miguel Meadow, west of Hetch Hetchy, Yosemite National Park 1584 Comment
  CAS-BOT-BC113784  Dulichium arundinaceum Herbert L. Mason 1937-7-22 11606 Tuolumne Swamp Lake, west of Hetch Hetchy. 1584 Comment
  CAS-BOT-BC113785  Dulichium arundinaceum Herbert L. Mason 1958-8-9 14848 Tuolumne Swamp Lake, west of Hetch Hetchy Dam 1584 Comment
  CAS-BOT-BC114173  Cyperus squarrosus H. L. Mason 1938-7-10 11903 Tuolumne Margin of lake at gravel pit, Miguel Meadow, west of Hetch-Hetchy. 1584 Comment
  CAS-BOT-BC115018  Carex vesicaria Herbert L. Mason 1958-8-9 14887 Tuolumne Meadow at Swamp Lake, west of Hetch Hetchy Dam. 1584 Comment
  CAS-BOT-BC153813  Erythranthe filicaulis C. T. Mason, Jr. 1954-6-7 1545 Tuolumne East of Carnegie Institution Camp, Hog Ranch, Mather 1371 Comment
  CAS-BOT-BC153819  Erythranthe filicaulis C. T. Mason, Jr. 1954-6-7 1545 Tuolumne East of Carnegie Institution Camp, Hog Ranch, Mather 1371 Comment
  CAS-BOT-BC153936  Diplacus pulchellus C. T. Mason, Jr. 1954-6-7 1546 Tuolumne East of Carnegie Institution Camp, Hog Ranch, Mather 1371 Comment
  CAS-BOT-BC153937  Diplacus pulchellus C. T. Mason, Jr. 1954-6-7 1546 Tuolumne East of Carnegie Institution Camp, Hog Ranch, Mather 1371 Comment
  CAS-BOT-BC159024  Phacelia ramosissima var. ramosissima Herbert L. Mason 1937-7-26 14828 Tuolumne Maham Peak (north of Hetch Hetchy Dam), Yosemite National Park 2438 Comment
  CAS-BOT-BC165008  Clarkia rhomboidea H. L. Mason 1926-7-4 2150 Tuolumne Mather Comment
  CAS-BOT-BC165018  Clarkia rhomboidea Herbert L. Mason 1926-7-4 2150 Tuolumne Mather Comment
  CAS-BOT-BC16799  Delphinium polycladon Herbert L. Mason; L. W. Reinecke 1937-7-28 14822 Tuolumne Mary Lake 2895 Comment
  CAS-BOT-BC212099  Cornus nuttallii H. L. Mason 1925-7-30 2200 Tuolumne Smith Peak Trail from Mather, Yosemite National Park Comment
  CAS-BOT-BC215682  Lycopus uniflorus Herbert L. Mason 1938-8-1 12062 Tuolumne Tiltill Valley, Rancheria Mountian Trail, Yosemite National Park, Sierra Nevada 1828 Comment
  CAS-BOT-BC215687  Lycopus uniflorus Herbert L. Mason; L. W. Reinecke 1937-7-22 11589 Tuolumne Swamp Lake, just south of Miguel Meadows, jsut west of Hetch Hetchy Dam, Yosemite National Park 1584 Comment
  CAS-BOT-BC22056  Carex heteroneura H. L. Mason 1938-7-30 12056 Tuolumne Yosemite National Park. South end of Tiltill Moutain. 2590 Comment
  CAS-BOT-BC244099  Poa secunda subsp. secunda Herbert L. Mason 1938-7-25 11995 Tuolumne Yosemite National Park. At E base of Mahan Peak Comment
  CAS-BOT-BC244105  Poa secunda subsp. secunda Herbert L. Mason 1937-7-22 11965 Tuolumne Yosemite National Park. Beehive, N of Hetch Hetchy Valley Comment
  CAS-BOT-BC253896  Panicum rigidulum Herbert L. Mason 1958-8-9 14855 Tuolumne Yosemite National Park. Swamp Lake area, W side of Hetch Hetchy Dam 1584 Comment
  CAS-BOT-BC254506  Dichanthelium acuminatum subsp. acuminatum Herbert L. Mason 1958-8-9 14871 Tuolumne Yosemite National Park. Swamp Lake area, W side of Hetch Hetchy Dam 1584 Comment
  CAS-BOT-BC267797  Eriogonum umbellatum var. furcosum Herbert L. Mason 1925-7-27 2179 Tuolumne Mathes Comment
  CAS-BOT-BC287150  Coreopsis stillmanii Herbert L. Mason 1936-3-21 11019 Tuolumne Four miles N of Coulterville Comment
  CAS-BOT-BC287152  Coreopsis stillmanii Herbert L. Mason 1936-3-21 11019 Tuolumne Four miles N of Coulterville Comment
  CAS-BOT-BC290335  Crepis Herbert L. Mason 1938-7-7 11873 Tuolumne Sierra Nevada, Yosemite National Park. Brecca ridge, between Swamp Lake and Hetch-Hetchy 1981 Comment
  CAS-BOT-BC290501  Crepis acuminata Herbert L. Mason 1938-7-7 11873 Tuolumne Sierra Nevada, Yosemite National Park. Between Swamp Lake and Hetch-Hetchy 1981 Comment
  CAS-BOT-BC295512  Erigeron linearis Herbert L. Mason 1936-7-27 11372 Tuolumne Sierra Nevada, Yosemite National Park. Gaylor Lakes west of Tioga Pass 3200 Comment
  CAS-BOT-BC295513  Erigeron linearis Herbert L. Mason 1936-7-27 11372 Tuolumne Sierra Nevada, Yosemite National Park. Gaylor Lakes west of Tioga Pass 3200 Comment
  CAS-BOT-BC308294  Eriophyllum lanatum var. integrifolium Herbert L. Mason 1938-7-26 12018 Tuolumne Andrew Peak, south of Jack Main Meadows, Sierra Nevada 2438 Comment
  CAS-BOT-BC312979  Hieracium triste Herbert L. Mason 1937-8-31 14838 Tuolumne Sierra Nevada, Yosemite National Park. Grace Meadow, west of Saurian Crest 2651 Comment
  CAS-BOT-BC312980  Hieracium triste Herbert L. Mason 1936-7-30 14819 Tuolumne Sierra Nevada, Yosemite National Park. Tilden Lake 2895 Comment
  CAS-BOT-BC31516  Carex limosa H. L. Mason; L. Reinecke 1937-7-22 11586 Tuolumne Swamp Lakes, just S of Miguel Meadows, W of Hetch Hetchy. Yosemite National Park. 1584 Comment
  CAS-BOT-BC31968  Carex multicaulis H. L. Mason 1938-7-8 11882 Tuolumne North of Swamp Lake, Hetch Hetchy drainage, Sierra Nevada. 1615 Comment
  CAS-BOT-BC339743  Lessingia leptoclada Herbert L. Mason 1925-7-29 2183 Tuolumne Hog Ranch Comment
  CAS-BOT-BC384566  Silene bridgesii Herbert L. Mason 1925-7-10 2154 Tuolumne Hog Range, Mather, Sierra Nevada 1432 Comment
  CAS-BOT-BC388561  Herniaria hirsuta var. cinerea Herbert L. Mason 1923-7-21 636 Tuolumne Hetch Hetchy. Yosemite National Park Comment
  CAS-BOT-BC391569  Aconitum columbianum subsp. columbianum H. L. Mason 1923-7-25 329 Tuolumne Yosemite National Park. Creek one and one-half miles below Porcupine Flat 2133 Comment
  CAS-BOT-BC400773  Asarum lemmonii H. L. Mason 1923-7-3 306 Tuolumne Sierra Nevada Mountains, Yosemite National Park. Near Carl Inn, Big Oak Flat Road 1524 Comment
  CAS-BOT-BC400774  Asarum lemmonii H. L. Mason 1925-8-11 2213 Tuolumne Sierra Nevada Mountains, Yosemite National Park. On tributary of North Crane Creek. Near Tuolumne Big Trees Comment
  CAS-BOT-BC402896  Eschscholzia caespitosa H. L. Mason 1923-6-30 301 Tuolumne Above the Oakland Recreation Camp at South Fork 1066 Comment
  CAS-BOT-BC413675  Persicaria amphibia Herbert L. Mason 1937-7-22 11616 Tuolumne Swamp Lakes, just west of Hetch Hetchy Dam and south of MIguel Meadows, Yosemite National Park 1584 Comment
  CAS-BOT-BC418601  Polygonum minimum Herbert L. Mason 1937-7-31 14839 Tuolumne Sierra Nevada, Yosemite National Park. Grace Meadow, just west of Saurian Crest 2651 Comment
  CAS-BOT-BC436724  Luzula comosa var. laxa Herbert L. Mason 1937-7-21 11580 Tuolumne Yosemite National Park, Miguel Meadow, ca. 3 miles NW of Hetch Hetchy dam 1584 Comment
  CAS-BOT-BC453683  Potamogeton gramineus Herbert L. Mason 1958-8-1 14856 Tuolumne Sierra Nevada, Yosemite National Park. At Swamp Lake, west of Hetch Hetchy Dam 1584 Comment
  CAS-BOT-BC453806  Potamogeton natans Herbert L. Mason 1958-8-9 14861 Tuolumne Sierra Nevada, Yosemite National Park. Swamp Lake, west side of Hetch Hetchy Dam 1584 Comment
  CAS-BOT-BC453807  Potamogeton natans Herbert L. Mason 1938-7-11 11944 Tuolumne Sierra Nevada, Yosemite National Park. South island in Swamp Lake, west of Hetch Hetchy 1584 Comment
  CAS-BOT-BC454054  Potamogeton pusillus subsp. pusillus Herbert L. Mason 1958-8-9 14860 Tuolumne Sierra Nevada, Yosemite National Park. Swamp Lake, west of Hetch Hetchy Dam 1584 Comment
  CAS-BOT-BC465999  Pyrola minor H. L. Mason 1923-7-29 669 Tuolumne Dog Lake, Dana Fork of the Tuolumne River, Sierra Nevada Mountains Comment
  CAS-BOT-BC48677  Ceanothus cordulatus Herbert L. Mason 1925-8-11 2211 Tuolumne Big oak Flat road near Tuolumne Grove Comment
  CAS-BOT-BC522046  Triteleia ixioides subsp. anilina H. L. Mason 1923-7-16 611 Tuolumne Hog Ranch, Yosembite National Park, Sierra Nevada Mountains Comment
  CAS-BOT-BC56382  Kalmia microphylla subsp. microphylla Herbert L. Mason; L. W. Reinecke 1937-7-22 11585 Tuolumne Swamp Lake, just south of Miguel Meadows in the hills just west of Hetch Hetchy 1584 Comment
  CAS-BOT-BC69082  Sedum stenopetalum subsp. stenopetalum Herbert L. Mason 1938-7-21 11880 Tuolumne At junction of Frog Creek and Vernon Lake trail, just North of Hetch Hetchy Valley 1798 Comment
  CAS-BOT-BC77775  Woodsia scopulina Herbert L. Mason 1938-7-26 12016 Tuolumne Andrew Peak, south of Jack Main Meadows 2438 Comment
  CAS-BOT-BC82082  Arnica Herbert L. Mason 1938-7-30 12053 Tuolumne South end of Tiltill Mountain 2590 Comment
  CAS-BOT-BC8762  Delphinium glaucum Herbert L. Mason; L. Reinecke 1936-7-28 14823 Tuolumne West side of Mary Lake 2926 Comment
  JEPS20913  Orobanche californica subsp. grayana Herbert L. Mason 1939-7-11 12127 Tuolumne Sierra Nevada. Yosemite National Park. Miguel Meadow, west of Hetch Hetchy Valley. Comment
  JEPS24956  Dodecatheon subalpinum Herbert L. Mason 1922-7-25 322 Tuolumne on Tioga Road between Yosemite Creek bridge and Porcupine Flat (Yosemite National Park); , <nr> Yosemite Creek bridge Comment
  JEPS60084  Polystichum imbricans subsp. imbricans H. L. Mason 1923-7-21 629 Tuolumne tracks near summit of grade Hetch Hetchy R.R.; Sierra Nevada Mts., Yosemite Nat'l Park Comment
  POM256455  Epilobium obcordatum H. L. Mason 1923-9-15 784 Tuolumne Sierra Nevada, Yosemite National Park: Upper Lake, Gaylor Lakes, near Tioga Mine Comment
  POM256512  Dodecatheon jeffreyi H. L. Mason 1936-7-10 197 Tuolumne Glandular. Lukens Laken. 2561 Comment
  POM256515  Sclerolinon digynum H. L. Mason 1925-6-28 2130 Tuolumne Tuolumne county: Hog Ranch, Mather. 1433 Comment
  POM256592  Eleocharis bella H. L. Mason 1938-7-11 11930 Tuolumne Miguel Meadow, west of Hetch Hetchy, Yosemite National Park 1585 Comment
  POM257231  Cyperus squarrosus H. L. Mason 1938-7-10 11903 Tuolumne Miguel Meadow, west of Hetch-Hetchy. Yosemite National Park. 1585 Comment
  POM257241  Campanula prenanthoides H. L. Mason 1925-8-11 2218 Tuolumne Big Oak Flat Road to Tuolumne Grove Comment
  POM257243  Clarkia biloba subsp. biloba H. L. Mason 1925-6-27 2123 Tuolumne Hog Ranch, near Mather. Comment
  POM257253  Clarkia williamsonii H. L. Mason 1925-7-4 2149 Tuolumne Mather. Comment
  POM257255  Boisduvalia densiflora var. densiflora H. L. Mason 1925-7-16 2163 Tuolumne Hog Ranch Comment
  POM257276  Circaea alpina subsp. pacifica H. L. Mason 1925-7-30 2191 Tuolumne Smith Peak Trail from Mather Comment
  POM257277  Clarkia heterandra H. L. Mason 1925-6-24 2102 Tuolumne Mather. 1433 Comment
  POM257278  Clarkia rhomboidea H. L. Mason 1925-7-4 2150 Tuolumne Mather. Comment
  POM269617  Ranunculus flammula var. ovalis H. L. Mason 1923-7-13 592 Tuolumne Hog Ranch, Mather Comment
  POM270300  Thalictrum sparsiflorum H. L. Mason 1923-8-1 680 Tuolumne Lyell Fork, Sierra Nevada Mtns, Tuolumne County Comment
  POM270566  Aquilegia formosa var. truncata H. L. Mason 1923-7-12 586 Tuolumne Mather, Dry edges of meadows Comment
  POM289573  Coreopsis stillmanii H. L. Mason 1936-3-21 11019 Tuolumne 4 miles north of Coulterville Comment
  POM311130  Limnanthes striata C. T. Mason 1949-5-9 1285 Tuolumne Keystone-La Grange road 2 miles southeast of Keystone. Comment
  POM311161  Lactuca tatarica var. pulchella H. L. Mason 1940-7-6 12316 Tuolumne Yosemite National Park; Miguel Meadows. 1585 Comment
  POM312316  Elatine brachysperma H. L. Mason 1923-7-15 608 Tuolumne Plants growing in very wet soil, and in shallow water, salt Log Meadow, 2 miles W of Mather Comment
  POM312322  Elatine obovata H. L. Mason 1936-7-15 12757 Tuolumne 0.5 mile west of Mather, Sierra Nevada. Comment
  POM312542  Polygonum amphibium var. stipulaceum H. L. Mason, L M Reinecke 1937-7-22 11616 Tuolumne Yosemite Nat'l Park: Swamp Lake, just south of Miguel Meadows, just west of Hetch Hetchy Dam 1585 Comment
  POM312561  Lycopus uniflorus H. L. Mason 1937-7-22 11589 Tuolumne Yosemite Nat l Park: Swamp Lake, just south of Miguel Meadows, just west of Hetch Hetchy Dam 1585 Comment
  POM312963  Sparganium angustifolium H. L. Mason, L. M. Reinecke 1937-7-22 11603 Tuolumne Swamp Lakes just south of Miguel Meadows, north of Hetch Hetchy Dam, Yosemite National Park. 1585 Comment
  POM313083  Scirpus congdonii H. L. Mason, Lawrence W. Reinecke 1937-7-22 11573 Tuolumne Yosemite Nat l Park: Swamp Lake, just south of Miguel Meadows, just west of Hetch Hetchy Dam 1585 Comment
  POM313095  Eriophorum gracile H. L. Mason, Lawrence W. Reinecke 1937-7-22 11579 Tuolumne Yosemite National Park; Swamp Lakes, just south of Miguel Meadows, east of Hetch Hetchy dam. Comment
  RSA0016981  Rotala ramosior H. L. Mason 1936-7-15 11256 Tuolumne Margin of pool, 1/2 mile W of Mather 1372 Comment
  RSA101795  Mimulus guttatus H. L. Mason 1923-7-13 593 Tuolumne Hog Ranch, Mather Comment
  RSA101796  Mimulus torreyi H. L. Mason 1923-7-14 594 Tuolumne Mather. Comment
  RSA21825  Carex whitneyi H. L. Mason 1938-7-30 12055 Tuolumne South end of Tiltill Mountain. Yosemite National Park. 2591 Comment
  RSA22225  Carex athrostachya H. L. Mason 1938-8-1 12071 Tuolumne Meadow in Tiltill Valley. Yosemite National Park. 1677 Comment
  SEINET10460615  Heterocodon rariflorum Mason Mason 578 Tuolumne MATHER Comment
  SEINET10461223  Nemacladus interior Mason 1923-7-12 Mason 577 Tuolumne Dry dusty soil, Mather Comment
  SEINET10461225  Nemacladus interior Mason 1938-7-6 Mason 11859 Tuolumne Dry ridge between Swamp Lake and Miguel Meadow 1646 Comment
  SEINET10463136  Campanula prenanthoides Mason 1925-8-11 Mason 2218 Tuolumne BIG OAK FLAT RD TO TUOLUMNE GROVE Comment
  SEINET10464509  Githopsis pulchella subsp. serpentinicola Mason 1936-5-15 Mason 11108 Tuolumne Yosemite Junction, 10 miles southeast of Sonora Comment
  SEINET10464821  Nemacladus capillaris Mason 1938-7-7 Mason 11866 Tuolumne Between Swamp Lake and Hetch Hetchy; Yosemite National Park 1981 Comment
  SEINET10492526  Clarkia rhomboidea Herbert L. Mason 1925-7-4 Mason 2150 Tuolumne Mather, California Comment
  SEINET10587170  Bulbostylis capillaris Herbert L. Mason 1938-7-6 Mason 11 -585 Tuolumne Between Swamp Lake and Miguel Meadow, Tuolumne County. Comment
  SEINET10646883  Carex buxbaumii Herbert L. Mason 1938-7-11 Mason 11942 Tuolumne South island in Swamp Lake, west of Hetch, Hetchy, Tuolumne County. 1585 Comment
  SEINET10713505  Carex multicaulis Herbert L. Mason 1939-7-8 Mason 11882 Tuolumne Pinus ponderosa slope, north of Swamp Lake, Hetch Hetchy drainage, Sierra Nevada. 1615 Comment
  SEINET10750417  Carex whitneyi Herbert L. Mason 1938-7-30 Mason 12055 Tuolumne South end of Tiltill Mountain. 2591 Comment
  SEINET10921841  Carex helleri Herbert L. Mason 1935-7-23 Mason 11270 Tuolumne Alpine slopes east of the summit of Mount Conness, Sierra Nevada. Comment
  SEINET11602125 Image available Lactuca tatarica subsp. pulchella H. L. Mason 1940-1 12316 Tuolumne Miguel Meadows; Yosemite National Park 1585 Comment
  SEINET11675353  Bromus briziformis E. J. Mason 1942-1 s.n. Tuolumne Calveras Grove Comment
  SEINET11753105  Dulichium arundinaceum H. L. Mason 1958-1 14848 Tuolumne Sierra Nevada, Yosemite National Park, Swamp Lake, W of Hetch Hetchy Dam 1585 Comment
  SEINET12188317  Rotala ramosior H. L. Mason 1936-1 11256 Tuolumne 0.5 mi W of Mather 1372 Comment
  SEINET12274874  Solanum xanti H. L. Mason 1938-1 11985 Tuolumne SW end of Moraine Ridge, W of Vernon Lake, Sierra Nevada, Yosemite National Park 2286 Comment
  SEINET190351  Eleocharis obtusa Herbert L. Mason 1939-7-13 12142 Tuolumne Yosemite National Park ; In gravel pit Miguel Meadow west of Hetch Hetchy. 1585 Comment
  SEINET196696  Navarretia intertexta H. L. Mason 1925-7-16 2174 Tuolumne Mather, Sierra Nevada. 1433 Comment
  SEINET199762  Claytonia parviflora subsp. parviflora H. L. Mason 1936-3-13 11084 Tuolumne Italian Bar Comment
  SEINET200239  Aster campestris var. bloomeri Herbert L. Mason 1938-7-22 11977 Tuolumne Yosemite National Park ; Beehive N. of Hetch Hetchy Dam 1981 Comment
  SEINET3026079  Montia fontana Herbert L. Mason 1936-3-20 11007 Tuolumne 3 miles above Tuolumne Meadows. Comment
  SEINET4152200  Stenophyllus capillaris H. L. Mason 1938-7-6 11858 Tuolumne Between Swamp Lake and Miguel Meadow 1646 Comment
  SEINET4170263  Carex vesicaria H. L. Mason 1938-7-9 Tuolumne West of Hetch Hetchy. Swamp Lake. 1585 Comment
  SEINET4170662 Image available Hemicarpha occidentalis H. L. Mason 1938-7-10 11904 Tuolumne Miguel Meadow, W. of Hetch-Hetchy; Yosemite National Park 1585 Comment
  SEINET6626571 Image available Elatine brachysperma Herbert L. Mason 1936-1 12757 Tuolumne 0.5 mile west of Mather, Sierra Nevada Comment
  SEINET6647416  Drosera rotundifolia H. L. Mason, L. W. Reinecke 1937-7-22 11578 Tuolumne Yosemite National Park, Swamp Lake, just south of Miguel Meadaows in the hills just west of Hetch Hetchy. 1585 Comment
  SEINET7547864 Image available Bulbostylis capillaris H. L. Mason 1938-7-6 11858 Tuolumne Yosemite National Park. Dry ridge between Swamp Lake and Miguel Meadow 1646 Comment
  SEINET7556170 Image available Carex cusickii H. L. Mason 1938-7-10 11923 Tuolumne Yosemite National Park. South island in Swamp Lake, west of Hetch Hetchy. 1585 Comment
  SEINET7568459 Image available Carex multicaulis H. L. Mason 1938-7-8 11882 Tuolumne Yosemite National Park, north of Swamp Lake, Hetch Hetchy drainage, Sierra Nevada. 1615 Comment
  SEINET7582973 Image available Cyperus squarrosus H. L. Mason 1938-7-10 11903 Tuolumne Miguel Meadow, west of Hetch-Hetchy, Yosemite National Park. 1585 Comment
  SEINET7583590 Image available Eleocharis bella H. L. Mason 1938-7-11 11930 Tuolumne Yosemite National Park, Miguel Meadow, west of Hetch Hetchy. 1585 Comment
  SEINET7585735 Image available Lipocarpha occidentalis H. L. Mason 1938-7-10 11904 Tuolumne Yosemite National Park, Miguel Meadow, west of Hetch-Hetchy. 1585 Comment
  SEINET7881865 Image available Lactuca pulchella Herbert L. Mason 1940-1 12316 Tuolumne Miguel Meadows; Yosemite National Park 1585 Comment
  SEINET8729361 Image available Navarretia divaricata Herbert L. Mason 1941-1 12480 a Tuolumne Miguel Meadows, Yosemite National Park. 1890 Comment
  SEINET8729363 Image available Navarretia divaricata H. L. Mason 12 JULY 194 12478 Tuolumne Miguel Meadows, Yosemite National Park. Comment
  SEINET8732249 Image available Veronica peregrina Herbert L. Mason 1925-1 2113 Tuolumne Comment
  SEINET893015  Elatine obovata Herbert L. Mason 1936-1 12757 Tuolumne Bottom of pool, 0.5 miles west of Mather, Sierra Nevada Comment
  UC1014773  Dodecatheon jeffreyi H. L. Mason 1922-8-2 338 Tuolumne Lower Lyell Fork Tuolumne River Sierra Nevada Mountains, Yosemite National Park (Tuolumne Meadows, Yosemite National Park) Comment
  UC1039533  Dodecatheon subalpinum Herbert L. Mason 1923-7-28 657 Tuolumne Tioga Road between Yosemite Creek bridge and Porcupine Flat; Yosemite National Park, btw Yosemite Crk bridge and Porcupin Comment
  UC1039561  Dodecatheon jeffreyi H. L. Mason 1923-8-21 759 Tuolumne Dana Fork - Tuolumne Meadows Sierra Nevada Mountains, Yosemite National Park (Yosemite National Park) Comment
  UC1039579  Dodecatheon jeffreyi H. L. Mason 1922-8-2 338 Tuolumne Lyell Fork Tuolumne River Sierra Nevada Mountains, Yosemite National Park (Tuolumne Meadows) Comment
  UC1039614  Pyrola asarifolia Herbert L. Mason 1940-7-7 12329 Tuolumne Poison Meadow (south of Miguel Meadow) Comment
  UC1056429  Montia fontana Herbert L. Mason 1936-3-20 11008 Tuolumne 3 mi above Tuolumne (Yosemite National Park); Sierra Nevada, Yosemite National Park Comment
  UC1056432  Limnanthes alba Herbert L. Mason 1936-3-20 11017 Tuolumne three mi above Tuolumne; Sierra Nevada, Yosemite National Park Comment
  UC1056971  Platystemon californicus Herbert L. Mason 1936-3-21 11042 Tuolumne Jacksonville Mine Comment
  UC1076229  Lupinus covillei Herbert L. Mason 1923-8-2 706 Tuolumne w Unicorn Creek (Yosemite National Park); Sierra Nevada, , w of Unicorn Creek Comment
  UC1076240  Lupinus latifolius var. columbianus H. L. Mason 1925-7-30 2197 Tuolumne Smith Peak Trail from Mather; Sierra Nevada Mountains, Yosemite National Park Comment
  UC1076303  Orobanche fasciculata Herbert L. Mason 1926-5-28 1029 Tuolumne Near bottom of Tuolumne Canyon, Mather. Comment
  UC1076467  Limnanthes striata Herbert L. Mason 1943-4-16 12570 Tuolumne between Sonora and Yosemite junction Comment
  UC1076548  Salix orestera Herbert L. Mason 1945-9-7 12690 a Tuolumne e. of Tioga Pass (along stream at outlet of Tioga Lake); Sierra Nevada, Yosemite Nat'l Park Comment
  UC1076558  Stellaria longipes var. longipes Herbert L. Mason 1938-7-7 11863 Tuolumne nw of Hetch Hetchy; Sierra Nevada, Yosemite National Park 1584 Comment
  UC1081536  Valeriana californica Herbert L. Mason 1936-7-23 11281 Tuolumne Alpine slopes se of summit of Mt. Conness; Sierra Nevada, Yosemite National Park 3505 Comment
  UC1081553  Astragalus bolanderi Herbert L. Mason 1936-7-9 11173 Tuolumne s White Wolf (Yosemite National Park; summit of ridge forming boundary between Tuolumne and Mariposa Counties); Sierra Nevada, Yosemite National Park, s of White Wolf 2743 Comment
  UC1081564  Lupinus bicolor Herbert L. Mason 1930-3-20 11005 Tuolumne three mi above Tuolumne; above Tuolumne Comment
  UC1081566  Arenaria kingii var. glabrescens Herbert L. Mason 1936-7-9 11172 Tuolumne s White Wolf; Sierra Nevada, Yosemite National Park 2743 Comment
  UC1093956  Lupinus benthamii Herbert L. Mason 1936-3-20 11016 Tuolumne three mi above Tuolumne (Yosemite National Park); Sierra Nevada, , above Tuolumne Comment
  UC1102966  Carex viridula Herbert L. Mason 1958-8-9 14859 Tuolumne Swamp Lake area, west of Hetch Hetchy Dam; Sierra Nevada, Yosemite National Park 1584 Comment
  UC1110526  Melica aristata Herbert L. Mason 1939-7-12 12130 Tuolumne vicinity Swamp Lake (w of Hetch Hetchy Valley); Sierra Nevada Mtns, Yosemite National Park 1645 Comment
  UC1178027  Hymenoxys hoopesii Herbert L. Mason and L. W. Reinecke 1937-7-31 14809 Tuolumne Upper Huckleberry Meadow Sierra Nevada, Upper Huckleberry Meadow 2621 Comment
  UC1179002  Dodecatheon hendersonii Herbert L. Mason with H. M. Hall and H. E. McMinn 1923-5-9 365 a Tuolumne Big Oak Flat road near South Fork, Big Oak Flat road (South Fork) Comment
  UC1186123  Phlox douglasii subsp. rigida H. L. Mason 1923-8-9 741 Tuolumne n of 2nd Gaylor Lake; Sierra Nevada Mountains, Yosemite National Park 3048 Comment
  UC1191156  Dodecatheon alpinum H. L. Mason 1922-8-20 343 Tuolumne Morraine Flat Sierra Nevada Mountains, Yosemite National Park (n of Lambert's Dome, Tuolumne Meadows) Comment
  UC1191162  Saxifraga tolmiei Herbert L. Mason 1937-7-30 14814 Tuolumne n of Forsyth Peak (Yosemite National Park); Sierra Nevada, Yosemite National Park 3048 Comment
  UC1199832  Brodiaea elegans subsp. elegans Herbert L. Mason 1937-7-25 Tuolumne 1 mi s Lake Vernon (on trail from Beehive); Sierra Nevada, Yosemite National Park 1981 Comment
  UC499445 Image available Dodecatheon hendersonii var. yosemitanum H. L. Mason 1922-7-25 322 Tuolumne between Yosemite Creek bridge and Porcupine Flat, Tioga Road Yosemite National Park; Tioga Road, Yosemite National Park Comment
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Mar 30 2015
  UC501343  Torreya californica Herbert L. Mason 1924-5-28 1027 Tuolumne downstream from Mather (near bottom of Tuolumne Canyon) Comment
  UC543748  Asarum lemmonii Herbert L. Mason 1925-8-11 2213 Tuolumne Big Oak Flat Road near Tuolumne Grove Comment
  UC555414  Lotus strigosus H. L. Mason 1923-7-15 602 Tuolumne Salt Log Meadow Sierra Nevada Mountains, Yosemite National Park Comment
  UC555461  Cercis occidentalis H. L. Mason 1929-4-7 5191 Tuolumne hills between Sonora and Angels Camp Comment
  UC555551  Sorbus californica H. L. Mason 1923-9-15 Tuolumne hill w of Tioga Pass Comment
  UC566753  Eriophyllum lanatum var. integrifolium H. L. Mason 1922-7-27 335 Tuolumne hilltop s Porcupine Flat; Yosemite National Park 2133 Comment
  UC566916  Centaurium venustum H. L. Mason 1923-7-15 601 Tuolumne Salt Log Meadow Sierra Nevada Mountains, Yosemite National Park Comment
  UC566939  Apocynum androsaemifolium H. L. Mason 1923-7-23 643 Tuolumne Hetch Hetchy tracks w. of Mather Comment
  UC570903  Bolandra californica Herbert L. Mason 1923-7-28 658 Tuolumne head of creek near Porcupine Flat; Yosemite Creek Comment
  UC570979  Ribes montigenum H. L. Mason 1922-7-26 333 Tuolumne Porcupine Flat Sierra Nevada Mountains, Yosemite National Park 2133 Comment
  UC599116  Carex athrostachya H. L. Mason 1938-8-1 12071 Tuolumne Tiltill Yosemite National Park 1981 Comment
  UC599118  Carex multicaulis H. L. Mason 1938-7-8 11882 Tuolumne n Swamp Lake; Yosemite National Park, Hetch Hetchy drainage 1615 Comment
  UC632749  Eriophorum crinigerum H. L. Mason 1936-7-22 11263 Tuolumne w. spur Ragged Peaks (n. of Tuolumne Meadows, Yosemite Nat'l Park); Yosemite Nat'l Park 3200 Comment
  UC632807  Nemophila heterophylla H. L. Mason 1936-3-24 11014 Tuolumne three mi above Tuolumne; above Tuolumne Comment
  UC634562  Ceanothus cordulatus H. L. Mason 1925-8-11 2211 Tuolumne along Big Oak 7 lot rd to Tuolumne Grove Yosemite National Park Comment
  UC634749  Pyrola minor H. L. Mason 1923-7-29 669 Tuolumne Dog Lake, Dana Fork of the Tuolumne River, Sierra Nevada Mountains. Comment
  UC634947  Thalictrum fendleri H. L. Mason 1923-7-28 661 Tuolumne Porcupine Flat Sierra Nevada Mountains Comment
  UC634948  Thalictrum fendleri H. L. Mason 1923-7-28 660 Tuolumne Porcupine Flat Sierra Nevada Mountains Comment
  UC635031  Asarum lemmonii Herbert L. Mason 1925-8-11 2213 Tuolumne Comment
  UC635153  Pyrola minor H. L. Mason 1923-8-1 683 Tuolumne Elizabeth Lake Trail, Sierra Nevada Mountains Comment
  UC635221  Dichelostemma multiflorum H. L. Mason 1923-7-12 583 Tuolumne Hog Ranch Sierra Nevada Mountains, Yosemite National Park Comment
  UC635257  Allium campanulatum H. L. Mason 1924-5-29 1030 Tuolumne along trail between Mather and Tuolumne River Comment
  UC635331  Claytonia nevadensis H. L. Mason 1923-9-15 786 Tuolumne Tioga mines; Sierra Nevada Mountains, Yosemite National Park Comment
  UC635452  Dicentra chrysantha H. L. Mason 1922-6-30 302 Tuolumne between Groveland and Mather (Hetch Hetchy Railroad tracks, above Oakland Recreation Camp); Sierra Nevada Mountains, Yosemite National Park 1066 Comment
  UC640582  Silene lemmonii H. L. Mason 1923-7-25 324 Tuolumne Porcupine Flat Sierra Nevada Mountains, Yosemite National Park (Yosemite National Park) 2133 Comment
  UC642896  Boechera howellii H. L. Mason 1936-7-22 11264 Tuolumne Mount Conness Range Sierra Nevada 3352 Comment
  UC672637  Pellaea breweri H. L. Mason 1923-8-9 742 Tuolumne ridge w of 5th Lake Gaylor Lakes; Sierra Nevada Mts, Yosemite Nat'l Park Comment
  UC672638  Polystichum imbricans subsp. imbricans H. L. Mason 1923-7-21 629 Tuolumne near summit of grade Hetch Hetchy R.R. Tracks; Sierra Nevada Mts., Yosemite Nat'l Park Comment
  UC672673  Sisyrinchium bellum H. L. Mason 1923-7-23 642 Tuolumne Hog Ranch; Sierra Nevada Mountains, Yosemite National Park Comment
  UC673315  Drymocallis lactea var. lactea Herbert L. Mason 1923-7-25 330 Tuolumne Tioga Road between Yosemite Creek and Porcupine Flat; Sierra Nevada, Yosemite National Park Comment
  UC673475  Drymocallis lactea var. lactea Herbert L. Mason 1923-8-9 738 Tuolumne Gaylor Lakes, ridge w third lake; Sierra Nevada, Yosemite National Park, Gaylor Lakes Comment
  UC673483  Cicuta douglasii H. L. Mason 1940-7-7 12325 Tuolumne Tuolumne River drainage sw of Hetch Hetchy ( Yosemite National Park, Poison Meadow); Sierra Nevada, Yosemite National Park, Poison Meadow 1524 Comment
  UC673484  Cicuta douglasii H. L. Mason 1940-7-7 12325 Tuolumne Tuolumne River drainage sw of Hetch Hetchy ( Yosemite National Park, Poison Meadow); Sierra Nevada, Yosemite National Park, Poison Meadow 1524 Comment
  UC673492  Dodecatheon subalpinum Herbert L. Mason 1922-7-25 322 Tuolumne on Tioga Road between Yosemite Creek bridge and Porcupine Flat; Yosemite National Park, btw Yosemite Creek br and Porcupine Comment
  UC673556  Corallorhiza striata H. L. Mason 1922-7-3 303 Tuolumne Big Oak Flat road just n Tuolumne Grove Comment
  UC673573  Spiranthes romanzoffiana H. L. Mason 1923-8-21 755 Tuolumne marsh n Puppy Dome; Yosemite National Park, Tuolumne Meadows Comment
  UC673574  Spiranthes stellata H. L. Mason 1923-7-25 649 Tuolumne Mather Spring Sierra Nevada Mountains, Yosemite National Park, Hog Ranch Comment
  UC714313  Carex helleri H. L. Mason 1936-7-23 11270 Tuolumne e summit of Mount Conness; Sierra Nevada Comment
  UC908434  Navarretia leptalea subsp. bicolor Herbert L. Mason 1923-7-28 663 Tuolumne Porcupine Flat Comment
  UC908479  Allophyllum integrifolium Herbert L. Mason 1941-7-10 12483 Tuolumne e. North Mt. (near w. border of Yosemite Nat'l Park); Yosemite Nat'l Park Comment
  UC908654  Linanthus bicolor Herbert L. Mason 1924-6-5 1031 Tuolumne just e Groveland (along road) Comment
  UC912280  Symphyotrichum bracteolatum H. L. Mason 1923-9-18 763 Tuolumne Porcupine Flat Yosemite National Park Comment
  UC912291  Symphyotrichum spathulatum H. L. Mason 1923-8-22 760 a Tuolumne ridge w of Third Lake; Sierra Nevada Mountains, Yosemite National Park, Lyell Fork Comment
  YM-YOSE59273  Isoetes bolanderi H. L. Mason 1938-7-9 11898 Tuolumne SWAMP LAKE Comment
  YM-YOSE63681  Mentzelia dispersa H. L. Mason 1938-7-11 11936 Tuolumne MIGUEL MEADOWS. SWAMP LAKE RESEARCH RESERVE. Comment
  YM-YOSE63762  Crepis acuminata Harry L. Mason 1938-7-7 11873 Tuolumne SWAMP LAKE RESEARCH RESERVE Comment
  YM-YOSE63810  Erigeron breweri Harry L. Mason 1938-7-7 11869 Tuolumne SWAMP LAKE RESEARCH RESERVE Comment
  YM-YOSE63891  Lomatium utriculatum H. L. Mason 1938-7-7 11868 Tuolumne BRECCA RIDGE SE OF SWAMP LAKE Comment
  YM-YOSE64741  Limnanthes montana H. L. Mason 1938-7-11 11940 Tuolumne GRAVEL PIT LAKE. SWAMP LAKE RESEARCH RESERVE. MIGUEL MEADOW Comment
  YM-YOSE64872  Menyanthes trifoliata Harry L. Mason 1938-7-10 11924 Tuolumne SOUTH ISLAND Comment
  YM-YOSE65084  Delphinium hansenii var. arcuatum H. L. Mason 1938-7-7 11874 Tuolumne RIDGE EAST OF SWAMP LAKE. SWAMP LAKE RESEARCH RESERVE. Comment
  YM-YOSE65201  Arabis sparsiflora var. arcuata H. L. Mason 1938-7-7 11870 Tuolumne SWAMP LAKE RESEARCH RESERVE. BRECCA RIDGE SE OF SWAMP LAKE Comment
  YM-YOSE65293  Drosera rotundifolia H. L. Mason 1938-7-6 11853 Tuolumne SWAMP LAKE RESEARCH RESERVE Comment
  YM-YOSE65373  Nemophila spatulata Harry L. Mason 1938-7-29 12052 Tuolumne SAURIAN CREST WEST OF TOWER PEAK 3200 Comment
  YM-YOSE65382  Carex athrostachya H. L. Mason 1938-8-1 12071 Tuolumne MEADOW IN TILTILL VALLEY 1676 Comment
  YM-YOSE65388  Carex buxbaumii H. L. Mason 1938-7-9 11901 Tuolumne SWAMP LAKE RESEARCH RESERVE 1584 Comment
  YM-YOSE65414  Carex exserta H. L. Mason 1938-7-7 11875 Tuolumne RIDGE EAST. BETWEEN SWAMP LAKE AND HETCH HETCHY 1676 Comment
  YM-YOSE65445  Carex heteroneura H. L. Mason 1938-7-30 12056 Tuolumne SOUTH END TILTILL MTN. 2590 Comment
  YM-YOSE65469  Carex multicaulis H. L. Mason 1938-7-8 11882 Tuolumne SWAMP LAKE RESEARCH RESERVE. SLOPE NORTH OF SWAMP LAKE 1615 Comment
  YM-YOSE65519  Carex preslii H. L. Mason 1938-7-30 12059 Tuolumne SOUTH END TILTILL MTN. 2590 Comment
  YM-YOSE65526  Carex raynoldsii H. L. Mason 1938-7-30 12057 Tuolumne SOUTH END OF TILTILL MT. 2590 Comment
  YM-YOSE65551  Carex vesicaria H. L. Mason 1938-7-9 11889 Tuolumne SWAMP LAKE RESEARCH RESERVE. SWAMP LAKE WEST OF HETCH HETCHY 1584 Comment
  YM-YOSE65554  Carex whitneyi H. L. Mason 1938-7-30 12055 Tuolumne SOUTH END TILTILL MT. 2590 Comment
  YM-YOSE65555  Carex whitneyi H. L. Mason 1938-7-30 12055 Tuolumne SOUTH END TILTILL MT. 2590 Comment
  YM-YOSE65562  Cyperus inflexus H. L. Mason 1938-7-10 11903 Tuolumne SWAMP LAKE RESEARCH RESERVE. GRAVEL PIT LAKE. MIGUEL MEADOW Comment
  YM-YOSE65580  Eleocharis bella H. L. Mason 1938-7-11 11930 Tuolumne SWAMP LAKE RESEARCH RESERVE. MIGUEL MEADOWS Comment
  YM-YOSE65582  Eleocharis engelmannii H. L. Mason 1938-7-11 11931 Tuolumne MIGUEL MEADOWS. SWAMP LAKE RESEARCH RESERVE Comment
  YM-YOSE65588  Hemicarpha occidentalis H. L. Mason 1938-7-10 11904 Tuolumne SWAMP LAKE RESEARCH RESERVE. GRAVEL PIT LAKE. MIGUEL MEADOW Comment
  YM-YOSE65589  Hemicarpha H. L. Mason 1938-7-10 11905 Tuolumne SWAMP LAKE RESEARCH RESERVE. GRAVEL PIT LAKE. MIGUEL MEADOW Comment
  YM-YOSE65591  Stenophyllus capillaris H. L. Mason 1938-7-11 11934 Tuolumne SWAMP LAKE RESEARCH RESERVE. GRAVEL PIT LAKE. MIGUEL MEADOWS Comment
  YM-YOSE65592  Stenophyllus capillaris H. L. Mason 1938-7-6 11858 Tuolumne BETWEEN SWAMP LAKE AND MIGUEL MEADOWS Comment
  YM-YOSE65594  Scirpus acutus H. L. Mason 1938-7-8 11883 Tuolumne SWAMP LAKE RESEARCH RESERVE. WEST END OF SWAMP (LAKE?) Comment
  YM-YOSE65595  Scirpus acutus H. L. Mason 1938-8-1 12064 Tuolumne ABOVE MEADOW IN TILTILL VALLEY. RANCHERIA MT. TRAIL 1676 Comment
  YM-YOSE65705  Juncus triformis H. L. Mason 1938-7-11 11939 Tuolumne SWAMP LAKE RESEARCH RESERVE. GRAVEL PIT LAKE. MIGUEL MEADOW Comment
  YM-YOSE66238  Orthocarpus densiflorus Harry L. Mason 1938-7-11 11937 Tuolumne SWAMP LAKE RESEARACH RESERVE, NEAR MIGUEL MEADOW 1554 Comment
  YM-YOSE66248  Orthocarpus linearilobus Harry L. Mason 1936-7-11 11938 Tuolumne SWAMP LAKE RESEARCH RESERVE, NEAR MIGUEL MEADOW 1554 Comment
  YM-YOSE66373  Polygonum douglasii H. L. Mason 1938-7-11 11935 Tuolumne SWAMP LAKE RESEARCH RESERVE. GRAVEL PIT LAKE. MIGUEL MEADOW Comment
  YM-YOSE66522  Juniperus occidentalis H. L. Mason 1938-7-7 11876 Tuolumne SWAMP LAKE RESEARCH RESERVE. RIDGE EAST OF SWAMP LAKE Comment
  YM-YOSE66538  Potamogeton robbinsii H. L. Mason 1938-7-6 11857 Tuolumne SWAMP LAKE RESEARCH RESERVE. SWAMP LAKE Comment
  YM-YOSE66571  Galium nuttallii Harry L. Mason 1938-7-10 11921 Tuolumne SWAMP LAKE, SOUTH SHORE 1554 Comment
  YM-YOSE66617  Agrostis rossiae H. L. Mason 1938-7-10 11909 Tuolumne SWAMP LAKE RESEARCH RESERVE. SOUTH ISLAND. SWAMP LAKE Comment
  YM-YOSE66933  Glyceria borealis H. L. Mason 1938-7-9 11899 Tuolumne SWAMP LAKE RESEARCH RESERVE. SWAMP LAKE Comment
  YM-YOSE66961  Nemacladus Harry L. Mason 1938-7-7 11866 Tuolumne SOUTHEAST OF SWAMP LAKE 1554 Comment
  YM-YOSE66962  Nemacladus Harry L. Mason 1938-7-6 11859 Tuolumne BETWEEN SWAMP LAKE AND MIGUEL MEADOW 1554 Comment
  YM-YOSE67137  Dryopteris arguta Harry L. Mason 1938-7-7 11872 Tuolumne SOUTHEAST SWAMP LAKE 1554 Comment



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