Search Results — 2000 specimen records retrieved (1531 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)
 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC150304  Diplacus aurantiacus H. L. Mason 1921-5-14 s.n. Alameda [Haywards] Hayward Comment
  CAS-BOT-BC159638  Drymocallis glandulosa var. glandulosa H. L. Mason 1921-5-14 s.n. Alameda Hayward Comment
  CAS-BOT-BC209379  Ribes sanguineum var. glutinosum H. L. Mason 1917-2-2 19 Alameda Berkeley Hills Comment
  CAS-BOT-BC67397  Tropidocarpum gracile H. L. Mason 1921-5-14 s.n. Alameda Haywards. Comment
  JEPS19721  Forestiera pubescens H. L. Mason 1927-3-20 Alameda Arroyo Mocho Comment
  JEPS54252  Tropidocarpum capparideum Herbert L. Mason 1932-3-20 Alameda on plain 2 mi e Midway Comment
Read comments Oct 6 2006
  JEPS69887 Image available Polemonium carneum H. L. Mason 1932-4-16 Alameda Stonybrook Creek; ; Summit of road Comment
Read comments May 31 2011
  POM257280  Clarkia breweri H. L. Mason 1928-5-6 4557 Alameda Cedar Mountain, Mount Hamilton Range. Comment
  UC1039565  Dodecatheon hendersonii Herbert L. Mason 1923-3-3 360 Alameda Rancho Repose , Rancho Repose (Cedar Mt.) Comment
  UC1076223  Atriplex leucophylla Herbert L. Mason 1928-9-2 4946 Alameda Bay Farm Island Comment
  UC1076491  Polycarpon tetraphyllum Herbert L. Mason 1927-6-20 3796 Alameda University of California, Berkeley, campus , campus of University of California (Berkeley) Comment
  UC1093853  Salicornia virginica Herbert L. Mason 1928-9-2 4949 Alameda Bay Farm Island Comment
  UC1099895  Potamogeton crispus Herbert L. Mason 1946-6-28 12877 Alameda San Leandro Creek Comment
  UC1106911  Juncus tenuis Herbert L. Mason 1926-5-24 3226 Alameda University of California Campus Berkeley Comment
  UC1199515  Quercus durata Herbert L. Mason 1929-10-20 5509 Alameda Cedar Mountain Comment
  UC537974  Quercus agrifolia Herbert L. Mason 1935-4-10 Alameda Univ. of Calif. Campus, Berkeley Comment
  UC555296  Horkelia californica subsp. frondosa H. L. Mason 1926-5-26 3244 Alameda Niles Canyon Comment
  UC555350  Rupertia physodes H. L. Mason 1926-5-26 3241 Alameda Niles Canyon Comment
  UC555458  Trifolium ciliolatum H. L. Mason 1928-4-15 4352 Alameda e end Moraga Ridge Comment
  UC555478  Trifolium oliganthum H. L. Mason 1926-4-15 4359 Alameda e end Moraga Ridge Comment
  UC555488  Trifolium albopurpureum var. dichotomum H. L. Mason 1928-4-15 4356 Alameda e end Moraga Ridge Comment
  UC555614  Trifolium oliganthum H. L. Mason 1928-5-6 4560 Alameda Cedar Mtn Comment
  UC565459  Scutellaria tuberosa Herbert L. Mason 1925-3-2 1274 Alameda Mills College Comment
  UC565540  Lactuca virosa Herbert L. Mason 1926-10-12 3642 Alameda Berkeley Comment
  UC565562  Lactuca saligna Herbert L. Mason 1927-10-4 4113 Alameda Berkeley, UC Berkeley campus Comment
  UC566727  Rigiopappus leptocladus H. L. Mason 1928-5-6 4566 Alameda Cedar Mountain Mount Hamilton Range Comment
  UC566797  Lomatium utriculatum Herbert L. Mason 1926-4-10 2820 Alameda Cedar Mountain via Arroyo Mocho Canyon Mount Hamilton Range Comment
  UC566826  Torilis nodosa Herbert L. Mason 1927-4-12 3664 Alameda University of California Berkeley, Campus Comment
  UC566843  Ligusticum apiifolium Herbert L. Mason 1926-5-22 3220 Alameda Berkeley Hills Comment
  UC566863  Oenanthe sarmentosa Herbert L. Mason 1927-6-20 3791 Alameda Berkeley, U. of CA, Strawberry Creek Comment
  UC566882  Sanicula bipinnatifida H. L. Mason 1926-4-10 2811 a Alameda Mount Hamilton Range, Cedar Mountain via Arroyo Mocho Cedar Mountain; Mount Hamilton Range, Cedar Mountain Comment
  UC566883  Sanicula bipinnata H. L. Mason 1926-4-10 2801 Alameda Mount Hamilton Range, Cedar Mountain via Arroyo Mocho Cedar Mountain; Mount Hamilton Range, Cedar Mountain Comment
  UC570770  Callitriche longipedunculata H. L. Mason 1932-3-6 6807 Alameda Arroyo Mocho Comment
  UC570942  Saxifraga californica Herbert L. Mason 1926-4-11 2832 Alameda Cedar Mountain, Rancho Repose Cedar Mountain; , Rancho Repose Comment
  UC570972  Ribes quercetorum Herbert L. Mason 1929-3-15 5067 Alameda 17 mi s Livermore (Arroyo Mocho) Comment
  UC570973  Ribes quercetorum Herbert L. Mason 1927-3-20 3658 Alameda 17 mi s Livermore; Arroyo Mocho Comment
  UC573097  Cryptantha flaccida H. L. Mason 1926-4-10 2804 Alameda near Cedar Mountain; Mount Hamilton Range, Arroyo Mocho Comment
  UC573138  Amsinckia eastwoodiae H. L. Mason 1932-3-19 6812 Alameda Road from Mountain House to Midway, w of Tracy Comment
Read comments Oct 6 2006
  UC634709  Clarkia purpurea subsp. quadrivulnera H. L. Mason 1926-5-26 3246 Alameda Niles Canyon Comment
  UC634962  Myosurus minimus H. L. Mason 1931-3-26 Alameda s en of Grizzly Peak; Berkeley Hills Comment
  UC634983  Ranunculus hebecarpus H. L. Mason 1926-4-11 2847 Alameda Cedar Mountain and Rancho Repose Mount Hamilton Range Comment
  UC635026  Cressa truxillensis H. L. Mason 1928-9-2 4943 Alameda Bay Farm Island Comment
  UC635318  Isopyrum stipitatum H. L. Mason 1929-3-15 5063 Alameda 18 mi s Livermore (Arroyo Mocho to Mount Hamilton); Arroyo Mocho to Mount Hamilton Comment
  UC635376  Epilobium minutum H. L. Mason 1926-4-11 2850 Alameda near Cedar Mountain; Mount Hamilton Range Comment
  UC672217  Pseudognaphalium stramineum H. L. Mason 1932-5-4 7057 Alameda Laundry Farm Oakland Hills (Oakland Hills) Comment
  UC672255  Ericameria linearifolia H. L. Mason 1928-4-10 2805 Alameda via Arroyo Mocho Canyon; Cedar Mountain Comment
  UC672330  Phacelia divaricata Herbert L. Mason 1927-3-20 3659 Alameda 17 mi s Livermore; Arroyo Mocho Comment
  UC672333  Phacelia divaricata Herbert L. Mason 1926-4-11 2852 Alameda Rancho Repose Cedar Mountain Comment
  UC672475  Collinsia parviflora H. L. Mason 1926-4-11 2851 Alameda Cedar Mountain and Rancho Repose Mount Hamilton Range, Arroyo Mocho (Arroyo Mocho) Comment
  UC672497  Veronica persica H. L. Mason 1927-4-12 3665 Alameda University of California, Berkeley, LeConte Oak Berkeley; University of California, , LeConte Oak Comment
  UC672666  Mentzelia lindleyi H. L. Mason 1926-5-26 3239 Alameda Niles Canyon Comment
  UC673368  Zigadenus venenosus var. venenosus H. L. Mason 1928-5-6 4554 Alameda Cedar Mountain Mount Hamilton Range Comment
  UC694160  Psilocarphus tenellus H. L. Mason 1933-4-17 7166 Alameda Stony Brook Comment
  UC698544  Cyperus eragrostis Herbert L. Mason 1926-5-24 3222 Alameda U.C. Campus Berkeley; , U.C. Campus Comment
  UC844494  Trillium ovatum H. L. Mason 1917-2-2 4 Alameda Redwood Canyon Comment
  UC908957  Linanthus androsaceus Herbert L. Mason 1926-4-10 2817 Alameda Cedar Mountain Mount Hamilton Range, Arroyo Mocho Comment
  UC909139  Phlox gracilis Herbert L. Mason 1927-3-20 3661 Alameda 17 mi s Livermore; Arroyo Mocho Comment
  UC912201  Soliva sessilis Herbert L. Mason 1924-5-13 1012 Alameda Berkeley Hills Comment
  UC912254  Micropus californicus var. californicus Lucile Mason 1934-4-8 Alameda 10 mi e Livermore (on Marsh Creek, Livermore Road); Marsh Creek Comment
  UC912464  Plectritis macrocera Herbert L. Mason 1926-4-11 2849 Alameda Cedar Mountain, Rancho Repose Rancho Repose; Cedar Mountain, Rancho Repose Comment
  UC912577  Vulpia bromoides Herbert L. Mason 1931-4-24 5857 Alameda Berkeley Hills; above Claremont Hotel Comment
  UC912587  Vulpia microstachys var. ciliata Herbert L. Mason 1932-5-4 7066 Alameda Laundry Farm; Oakland Hills Comment
  UC964776  Lathyrus vestitus var. vestitus Herbert L. Mason 1928-5-6 4562 Alameda Cedar Mountain Comment
  UCD45931  Quercus durata var. durata Herbert L. Mason 1929-10-20 5509 Alameda Cedar Mountain. Comment
  CAS-BOT-BC232875  Polemonium carneum Herbert L. Mason 1932-4-17 6932 Alameda Stony Brook Creek, Summit Comment
  CAS-BOT-BC386879  Silene gallica H. L. Mason 1921-5-1 s.n. Alameda Hills back of Haywards. Comment
  CAS-BOT-BC439161  Claytonia exigua subsp. exigua H. L. Mason 1925-3-7 1281 Alameda Junction 1/2 mile southwest of Sunol Comment
  CAS-BOT-BC512732  Maianthemum stellatum H. L. Mason 1917-4-6 82 Alameda Berkeley Hills Comment
  CAS-BOT-BC75783  Berberis pinnata H. L. Mason 1917-2-7 s.n. Alameda Black Point, Berkeley Hills. Comment
  POM257281  Clarkia unguiculata H. L. Mason 1926-5-26 3250 Alameda Bluffs near Sunol, Niles Canyon. Comment
  SEINET10464450  Githopsis diffusa subsp. robusta Mason 1928-5-6 Mason 4572 Alameda Cedar Mountain, Mount Hamilton Range Comment
  SEINET10906267  Triodanis biflora Mason Mason 7061 Alameda OAKLAND HILLS Comment
  SEINET4244602 Image available Polemonium carneum Herbert L. Mason 1932-4-16 6932 Alameda Summit of road, Stony Brook Creek Comment
  UC1028678  Pentachaeta exilis Herbert L. Mason 1931-4-5 5826 Alameda road between Marsh Creek and Livermore Comment
  UC1988930  Pogogyne serpylloides H. L. Mason 1924-5-13 1014 Alameda Ridge south of Claremont Canyon, Berkeley Hills Comment
  UC565542  Rafinesquia californica Herbert L. Mason 1926-5-26 3253 Alameda Sunol Niles Canyon Comment
  UC566624  Crocidium multicaule H. L. Mason 1932-3-6 6809 Alameda 20 mi s Livermore; Mount Hamilton Range, Arroyo Mocho Comment
  UC570748  Callitriche H. L. Mason 1932-3-6 6808 Alameda Arroyo Mocho Canyon Comment
  UC634656  Clarkia unguiculata H. L. Mason 1926-5-26 3250 Alameda near Sunol; Niles Canyon Comment
  UC809783  Phacelia thermalis H. L. Mason 1949-1-1 13481 Alameda Raised in lath house at Berkeley, 1949-1950 Comment
  UC909015  Gilia clivorum Herbert L. Mason 1925-3-23 1308 Alameda Sunol Sunol (on edge of bluffs) Comment
  UC963770  Linanthus pygmaeus subsp. continentalis Herbert L. Mason 1934-4-8 Alameda 11 mi s Marsh Creek Road (along road from Marsh Creek to Livermore, Chaparral Ridge) Comment
  UCD137209  Adiantum jordanii Herbert L. Mason 1925-3-7 1278 Alameda 0.5 mile southwest of Sunol. Comment
  UC1178957  Polygonum minimum Herbert L. Mason 1932-9-9 7185 Alpine w Ebbett's Pass Comment
  UC566862  Sanicula tuberosa H. L. Mason 1926-5-30 3331 Alpine Kit Carson Pass 2621 Comment
  UC665515  Senecio fremontii var. occidentalis Herbert L. Mason 1940-7-30 12352 Alpine hills n Carson Pass; Sierra Nevada 2682 Comment
  POM269616  Ranunculus flammula var. ovalis H. L. Mason 1933-9-2 7282 Alpine Silver Lake, Sierra Nevada. Comment
  POM312320  Elatine chilensis H. L. Mason 1933-9-2 7265 Alpine Silver Lake, Sierra Nevada. Comment
  UC912421  Valeriana californica Herbert L. Mason 1926-5-30 3323 Alpine along road from Tahoe to Kit Carson Pass 1889 Comment
  CAS-BOT-BC144071  Horkelia parryi H. L. Mason 1933-5-29 7253 Amador Two miles south of Ione Comment
  CAS-BOT-BC163538  Clarkia arcuata H. L. Mason 1932-4-25 6997 Amador Vorhees School, near Dry Creek Comment
  CAS-BOT-BC310132  Hesperevax acaulis H. L. Mason 1932-4-24 6981 Amador Three miles south of Ione Comment
  JEPS5119  Valerianella locusta H. L. Mason 1932-4-25 Amador Cosumnes River bridge (Amador Co. side), Ione to Latrobe Cosumnes River; Cosumnes River bridge Comment
  POM199446  Horkelia parryi H. L. Mason 1932-4-24 6978 Amador 3 miles S of Ione Comment
  UC1101533  Elatine triandra Herbert L. Mason 1933-9-2 7265 Amador Silver Lake Sierra Nevada Comment
  UC1106910  Muhlenbergia filiformis Herbert L. Mason 1933-9-3 7273 Amador Silver Lake Sierra Nevada Comment
  UC545812  Valerianella locusta H. L. Mason 1932-4-25 7005 Amador Ione to Latrobe Road bank of Cosumnes River Comment
  UC555360  Trifolium depauperatum var. depauperatum H. L. Mason 1928-5-3 4477 Amador near Carbondale (hills) Comment
  UC570729  Pogogyne zizyphoroides H. L. Mason 1928-5-3 4476 Amador Hills near Carbondale Comment
  UC632820  Pseudognaphalium luteoalbum H. L. Mason 1936-4-12 11072 Amador near Lancha Plana; Mokelumne River Comment
  UC634571  Ceanothus tomentosus Herbert L. Mason 1926-5-30 3341 Amador hills s Ione; hills s of Ione Comment
  UC635162  Acer glabrum var. glabrum H. L. Mason 1933-9-2 7260 Amador Silver Lake Sierra Nevada Mountains, Silver Lake Comment
  UC672275  Hesperevax acaulis var. acaulis H. L. Mason 1932-4-24 6981 Amador 3 mi s Ione Comment
  UC672547  Gratiola ebracteata H. L. Mason 1928-5-3 4473 Amador near Carbondale; hills near Carbondale Comment
  UC673316  Ivesia santolinoides Herbert L. Mason 1933-9-2 7264 Amador Silver Lake; Sierra Nevada Comment
  UC907874  Linanthus filipes Herbert L. Mason 1928-5-3 4469 Amador near Carbondale Comment
  UC912265  Psilocarphus brevissimus var. brevissimus Herbert L. Mason 1928-5-3 4471 Amador Carbondale Comment
  UC912345  Plectritis ciliosa subsp. ciliosa Herbert L. Mason 1932-4-25 7003 Amador Road from Ione to Latrobe (Cosumnes River Bridge); Cosumnes River Bridge Comment
  UC912465  Plectritis macrocera H. L. Mason 1932-4-25 7006 Amador road Ione to Latrobe (Cosumnes River Bridge); Cosumnes River Bridge Comment
  UC912475  Eriogonum umbellatum var. furcosum Herbert L. Mason 1933-9-2 7255 Amador Silver Lake Sierra Nevada, Silver Lake Comment
  UC912600  Madia elegans Herbert L. Mason 1932-4-25 7001 Amador road from Ione to Latrobe (Cosumnes River Bridge); Consumnes River Comment
  UC912689  Aspidotis californica Herbert L. Mason 1936-4-12 11075 Amador Lancha Plana Comment
  UC936195  Vulpia microstachys var. confusa Herbert L. Mason 1932-4-25 6996 Amador on road from Ione to Michigan Bar (Voorhees School) Comment
  UC963758  Navarretia breweri H. L. Mason 1933-9-2 7261 Amador Silver Lake Sierra Nevada Comment
  POM224391  Valerianella olitoria H. L. Mason 1932-4-25 7005 Amador Bank of Cosumnes River, Ione to Lastrobe road. Comment
  SFV16109  Hypericum perforatum S. Mason 1993-7-26 43 Amador Sierra Nevada Volcano, off Pioneer-Volcano Road along edge of Golddust Road. Disturbed roadside. 762 Comment
  CAS-BOT-BC111375  Schoenoplectus acutus var. occidentalis Herbert L. Mason; Verne Grant 1946-8-7 12993 Butte Big pond near river, Grey Lodge Game Refuge; Gridley Road north of Butte Sink. Comment
  CAS-BOT-BC113637  Eleocharis acicularis Herbert L. Mason; Verne Grant 1945-7-19 12635 Butte Marshes along Butte Creek, north of Marysville Buttes, Grey Lodge Game Refuge. Comment
  CAS-BOT-BC114743  Cyperus difformis Herbert L. Mason; Verne Grant 1946-8-14 13024 Butte Canal near big pond on Sacramento Outing Club. Comment
  CAS-BOT-BC190093  Crypsis schoenoides Herbert L. Mason 1945-9-19 12729 Butte Gray Lodge Game Refuge, northwest of Pennington. Comment
  POM313036  Damasonium californicum H. L. Mason 1927-5-9 3705 Butte Sacramento Valley, 15 mi W of Oroville. Comment
  POM313213  Leptochloa fusca subsp. fascicularis H. L. Mason 1945-9-19 12730 Butte Gray Lodge Game Refuge, northwest of Pennington Comment
  UC1076230  Lupinus nanus Herbert L. Mason 1927-5-10 3712 Butte ne of Oroville Table Mountain (Cherokee Mine); , Cherokee Mine Comment
  UC1100776  Scirpus acutus var. occidentalis Herbert L. Mason, Verne Grant 1946-8-7 12993 Butte Gridley Road n Butte Sink (Big Pond near river, Grey Lodge Game Refuge); Grey Lodge Game Refuge, n of Butte Sink Comment
  UC1191264  Polygonum punctatum Herbert L. Mason and Verne Grant 1946-9-4 13109 Butte West Gridley Rd 833 Canal Comment
  UC1191546  Lythrum hyssopifolia Herbert L. Mason, Verne Grant 1946-8-6 12973 Butte 2.7 mi n of colusa (between Sacramento River and Butte Creek, Butte Sink); Butte Sink Comment
  UC1191563  Ammannia coccinea Herbert L. Mason 1945-9-19 12739 Butte n.w. Pennington (Gray Lodge Game Refuge); Gray Lodge Game Refuge Comment
  UC1191789  Mentha canadensis Herbert L. Mason and Verne Grant 1946-8-14 13032 Butte canal near big pond on Sacramento Outing Club Butte Sink Comment
  UC1191829  Lycopus americanus Herbert L. Mason and Verne Grant 1946-8-14 13025 Butte canal near big pond on Sacramento Outing Club Comment
  UC566835  Lomatium dasycarpum subsp. tomentosum Herbert L. Mason 1927-5-10 3721 Butte n.e. Oroville (n. side of Table Mt., Coal Creek); Table Mt., Coal Creek Comment
  UC672161  Calochortus albus Herbert L. Mason 1927-5-10 3719 Butte ne of Oroville; Table Mountain, Coal Creek Comment
  UC672620  Marsilea vestita subsp. vestita Herbert L. Mason 1927-5-9 3706 Butte 15 mi w Oroville; Sacramento Valley Comment
  UC775194  Acer circinatum Herbert L. Mason 1940-5-22 12310 Butte Humboldt Road about ten mi above Chico; above Chico Comment
  UC935720  Sagittaria sanfordii Herbert L. Mason and Verne Grant 1946-9-4 13112 Butte road between Gridley and Princeton Comment
  UC935746  Sagittaria latifolia Herbert L. Mason and Verne Grant 1946-8-14 13020 Butte Butte Sink; canal near big pond on Sacramento Outing Club Comment
  UC935789  Sagittaria latifolia Herbert L. Mason and Verne Grant 1946-8-14 13040 Butte Butte Sink Comment
  UC963768  Navarretia tagetina H. L. Mason 1927-5-9 3707 Butte 12 mi w Oroville Comment
  UCD139990  Heteranthera dubia Herbert L. Mason; Verne Grant 1946-8-14 13041 Butte Butte Sink. Comment
  UCD50073  Schoenoplectus acutus var. occidentalis Herbert L. Mason; Verne Grant 1946-8-7 12993 Butte Big pond near river, Grey Lodge Game Refuge; Gridley Road north of Butte Sink, Butte County. Comment
  CAS-BOT-BC416976  Sedella pumila Herbert L. Mason 1941-4-6 12409 Butte Three miles S of Chico near junction of road to Paradise 91 Comment
  CAS-BOT-BC453811  Potamogeton nodosus Herbert L. Mason 1945-7-10 12640 Butte Sanford slough, Butte Sink, southwest corner of Butte County. Comment
  CAS-BOT-BC456161  Najas guadalupensis Herbert L. Mason; Verne Grant 1946-8-15 13053 Butte #833 Irrigation Ditch, near caretaker's house, Greylodge Gam Refuge, Butte Sink Comment
  POM312540  Polygonum persicaria H. L. Mason, Verne Grant 1946-9-4 13111 Butte 833 Canal, W Gridley Road. Comment
  POM312841  Schoenoplectus glaucus H. L. Mason, Verne Grant 1946-8-7 12991 Butte Gridley road N of Butte Sink. Comment
  POM313007  Potamogeton nodosus H. L. Mason 1947-7-10 12640 Butte Sanford Slough, Butte Sink, southwest corner of Butte county. Comment
  UC1099872  Potamogeton foliosus Herbert L. Mason, Verne Grant 1945-7-10 12638 Butte Sandford Slough, sw corner of Butte County Sandford Slough Comment
  UC1111604  Eschscholzia lobbii Herbert L. Mason 1941-4-6 12417 Butte w Cherokee 304 Comment
  UC566791  Sanicula tuberosa Herbert L. Mason 1927-5-11 3727 Butte vicinity of Dobbins 457 Comment
  UC566806  Lomatium nudicaule Herbert L. Mason 1927-5-11 3726 Butte vicinity of Dobbins 457 Comment
  UC971796  Limnanthes douglasii Herbert L. Mason 1941-4-6 12415 Butte hills w Cherokee Comment
  UCD126243  Cuscuta brachycalyx Herbert L. Mason; Verne Grant 1946-9-27 13132 Butte Graylodge Game Refuge. Comment
  UCD138255  Potamogeton nodosus H. L. Mason; Verne Grant 1945-7-10 12640 Butte Stanford Slough, Butte Sink, southwest corner of county. Comment
  UCD140008  Bolboschoenus glaucus Herbert L. Mason; Verne Grant 1946-8-7 12991 Butte Gridley Road north of Butte Sink. Comment
  UCD48514  Navarretia leucocephala Herbert L. Mason 1941-4-6 12410 Butte On volcanic rubble, near junction of Chico Paradise Road, 3 miles south of Chico, Butte County, California. Comment
  CAS-BOT-BC52023  Ceanothus prostratus Herbert L. Mason 1926-5-31 3358 Calaveras 1 1/2 miles West of Calaveras Grove Comment
  JEPS16556  Galium sparsiflorum subsp. sparsiflorum Herbert L. Mason July 1930 5707 Calaveras near Hermit Springs; Sierra Nevada Mts., Blue Creek Comment
  RSA13585  Cornus sessilis H. L. Mason 1935-3-14 10984 Calaveras South fork of the Mokelumne River, about three miles northeast of Glencoe. Comment
  RSA381123  Arctostaphylos myrtifolia George Mason, Roman Gankin 1956-10-27 192 Calaveras 1/2 mi. N of Mokolumne River behind high cliffs. Located right across the river from Comanche in Calaveras Co. Comment
Read comments Jan 10 2014
  UC1076529  Montia linearis Herbert L. Mason 1936-4-11 11059 Calaveras Creek s of Sheep Ranch (San Antonio Creek); San Antonio Creek Comment
  UC1081516  Saxifraga californica Herbert L. Mason 1936-3-14 10994 Calaveras s of Sheep Ranch (San Antonio Creek); San Antonio Creek Comment
  UC1081518  Jepsonia heterandra Herbert L. Mason 1936-3-14 10979 Calaveras 2 mi e Mokelumne Hill Comment
  UC1083123  Dendromecon rigida Herbert L. Mason 1936-4-10 11055 Calaveras ridge between Sheep Ranch and Murphys Comment
  UC1111018  Tuberaria guttata Herbert L. Mason 1936-4-12 11077 Calaveras Mokelumne River near Lancha Plana; Mokelumne River Comment
  UC1988931  Pogogyne serpylloides H. L. Mason Apr 1930 5554 Calaveras Hills west of San Andreas Comment
  UC545810  Cornus sessilis Herbert L. Mason 1935-3-14 10984 Calaveras S. Fork Mokelumne R. ca. 3 mi. n.e. Glencoe; S. Fork Mokelumne R. Comment
  UC581539  Viola lobata subsp. lobata Herbert L. Mason 1926-5-31 3351 Calaveras Calaveras Big Trees Comment
  UC632828  Collinsia sparsiflora var. collina H. L. Mason 1936-4-9 11045 Calaveras Murphys Big Trees Road; Sierra Nevada, Murphys Big Trees road 990 Comment
  UC632856  Lasthenia minor H. L. Mason 1936-4-12 11083 Calaveras San Andreas Comment
  UC634623  Ceanothus diversifolius Herbert L. Mason 1926-5-31 3359 Calaveras 1.5 mi w. Calaveras Grove Comment
  UC672124  Disporum hookeri H. L. Mason 1926-5-31 3352 Calaveras Calaveras Big Trees Comment
  UC673579  Platanthera sparsiflora H. L. Mason 1930-7-1 5701 Calaveras near Hermit Springs (Blue Creek, tributary of n fork of Mokelumne River); North Fork of Mokelumne River, Blue Creek Comment
  UC673589  Listera convallarioides H. L. Mason July, 1930 5709 Calaveras near Hermit Springs; Blue Creek, tributary of North Fork of Mokelumne River Comment
  UC912491  Delphinium variegatum Herbert L. Mason 1930-4-1 5553 Calaveras hills w San Andreas Comment
  UC912690  Cystopteris fragilis Herbert L. Mason 1936-3-14 10996 Calaveras S of Sheep Ranch; San Antonio Creek Comment
  UC912693  Adiantum jordanii Herbert L. Mason 1936-3-14 10980 Calaveras 4 mi e Mokelumne Hill Comment
  UC1093949  Lupinus benthamii Herbert L. Mason 1929-4-7 5190 Calaveras hills above Sonora and Angels Camp; above Sonora and Angels Camp Comment
  UC1093955  Isopyrum occidentale Herbert L. Mason 1936-4-10 11049 Calaveras road between Murphys and Angels Camp Comment
  UC571144  Crassula aquatica H. L. Mason 1929-4-7 5196 Calaveras 3 mi. above Valley Spring Comment
  UC634935  Montia fontana H. L. Mason 1929-4-7 5194 Calaveras 3 mi above Valley Spring Comment
  CAS-BOT-BC274325  Leersia oryzoides Herbert L. Mason 1945-9-19 12715 Colusa Below causway over Butte Sink spillway, east bank of Sacramento River, 1 mile above Colusa Comment
  CAS-BOT-BC417046  Sedella pentandra Herbert L. Mason 1953-5-4 s.n. Colusa Little Stony Creek road 0.25 miles above junction of Little Stony Creek and Trout Creek,Inner North Coast Ranges 609 Comment
  CAS-BOT-BC83276  Myosurus minimus Herbert L. Mason 1953-4-5 14509 Colusa Three miles east of Maxwell. Comment
  CAS-BOT-BC83277  Myosurus minimus Herbert L. Mason 1953-4-5 14509 Colusa Three miles east of Maxwell. Comment
  POM312312  Hibiscus H. L. Mason 1945-7-11 12649 Colusa Alkali plains near Butte Creek; Butte Lodge Outing Club, three miles above Colusa Comment
  POM312496  Eclipta alba H. L. Mason 1945-9-19 12725 Colusa Below caus[e]way over Butte Sink spillway, East bank of Sacramento River, 1 mile north of Colusa. Comment
  POM313202  Panicum dichotomiflorum H. L. Mason 1945-9-19 12720 Colusa Below caus[e]way over Butte Sink spillway, East bank of Sacramento River, 1 mile north of Colusa. Comment
  UC1099935  Cyperus erythrorhizos Herbert L. Mason and Verne Grant 1946-9-5 13115 Colusa 1.6 mi. w. Williams (rd. to Lake Co.) Comment
  UC1100189  Crypsis vaginiflora Herbert L. Mason 1945-9-19 12718 Colusa below causeway over Butte Sink spillway (e bank of river, 1 mi above Colusa); Sacramento River, Butte Sink Comment
  UC1100190  Crypsis vaginiflora Herbert L. Mason 1945-7-11 12643 Colusa near Butte Creek (3 mi above Colusa); Butte Lodge Outing Club Comment
  UC1100248  Eragrostis hypnoides Herbert L. Mason 1945-9-19 12717 Colusa 1 mi above Colusa (below causeway over Butte Sink spillway); e bank of Sacramento River, Butte Sink spillway Comment
  UC1100289  Digitaria ischaemum Herbert L. Mason 1945-9-19 12722 a Colusa 1 mi n Colusa (below causeway over Butte Sink spillway, e bank Sacramento River); e bank Sacramento River, Butte Sink spillway Comment
  UC1100516  Cyperus erythrorhizos Herbert L. Mason and Verne Grant 1946-8-7 12984 Colusa 8 mi. n. Colusa (Butte Sink); Butte Sink Comment
  UC1100564  Cyperus acuminatus Herbert L. Mason and Verne Grant 1946-8-6 12969 Colusa pond 2.7 mi. n. Colusa (between Sacramento R. and Butte Creek); Butte Sink Comment
  UC1100677  Scirpus acutus var. occidentalis Herbert L. Mason, Verne Grant 1946-8-7 12987 Colusa eight mi n Colusa (Butte Sink); , n of Colusa Comment
  UC1100872  Scirpus americanus Herbert L. Mason, Verne Grant 1946-9-5 13114 Colusa Road to Lake County 1.6 mi w Williams; w of Williams Comment
  UC1100924  Scirpus maritimus Herbert L. Mason, Verne Grant 1946-8-6 12964 Colusa four mi s Colusa (w side Sacramento River, pond on Colusa-Marysville Highway); w side Sacramento River, s of Colusa Comment
  UC1101350  Myosurus minimus Herbert L. Mason 1953-4-5 14509 Colusa 3 mi e of Maxwell Comment
  UC1101351  Myosurus sessilis Herbert L. Mason 1953-4-5 14508 Colusa 3 mi e of Maxwell Comment
  UC1178993  Lomatium hooveri Herbert L. Mason 1947-3-30 13164 a Colusa 0.5 mi E of Lake Co. line on Williams-Lower Lake Highway western Colusa Co. Comment
  UC1179011  Quercus lobata Herbert L. Mason 1947-3-29 13153 Colusa ca 3 mi ne Colusa (along Butte Creek); Butte Sink, Butte Creek Comment
  UC1191131  Mimulus microphyllus Herbert L. Mason 1953-5-5 14519 Colusa 0.25 above junction of Little Stoney Creek and Trout Creek (at sharp bend in road); Little Stoney Creek drainage Comment
  UC1191547  Lythrum hyssopifolia Herbert L. Mason, Verne Grant 1946-8-7 12986 Colusa 8 mi n of colusa (Butte Sink); Butte Sink Comment
  UC1191561  Ammannia coccinea Herbert L. Mason 1945-9-19 12716 Colusa 1 mi. above Colusa (below causeway over Butte Sink spillway, e. bank Sacramento R.); Butte Sink, Sacramento R. Comment
  UC1191660  Cuscuta indecora Herbert L. Mason and Verne Grant 1946-8-6 12974 Colusa 2.7 mi n Colusa (between Sacramento River and Butte Creek); Butte Sink Comment
  UC1212515  Hesperolinon disjunctum Herbert L. Mason 1952-6-19 14301 Colusa slope between Fouts Springs Red Bridge Public Camp; Inner North Coast Ranges, Mendocino National Forest Comment
  UC908621  Navarretia jepsonii Herbert L. Mason 1946-5-30 12814 Colusa about 1 mi e Lake County line (w Colusa County); Leesville Grade Comment
  UC908879  Navarretia heterandra Herbert L. Mason 1946-5-30 12816 Colusa near Eppersons; Bear Valley Comment
  UC935749  Sagittaria montevidensis subsp. calycina Herbert L. Mason and Verne Grant 1946-8-7 12981 Colusa Butte Sink; eight mi n of Colusa Comment
  UC985936  Physalis lancifolia Herbert L. Mason and Verne Grant 1946-8-7 12979 Colusa 8 mi n Colusa; Butte Sink Comment
  UCD141054  Cyperus erythrorhizos H. L. Mason 1945-9-19 12724 Colusa 1 mile N of Colusa. Below causeway over Butte Sink spillway, E bank of Sacramento River. Comment
  UCD55041  Downingia insignis Herbert L. Mason 1953-4-5 14506 Colusa Three miles east of Maxwell. Comment
  CAS-BOT-BC114780  Cyperus acuminatus Herbert L. Mason; Verne Grant 1946-8-6 12969 Colusa Pond 2.7 miles N of Colusa between Sacramento River and Butte Creek. Comment
  CAS-BOT-BC434995  Glinus lotoides Herbert L. Mason 1945-7-11 12641 Colusa Near Butte Creek; Butte Lodge Outing Club, three miles above Colusa Comment
  POM310950  Leptosiphon bolanderi H. L. Mason 1941-4-5 12404 Colusa Three miles south of Stonyford Comment
  POM312492  Chenopodium album H. L. Mason, Verne Grant 1946-8-7 12978 Colusa 8 miles north of Colusa; Butte Sink. Comment
  RSA0014830  Lythrum californicum H. L. Mason, Verne Grant 1946-8-7 12977 Colusa 8 miles north of Colusa; Butte Sink. Comment
  SACT000807  Crypsis niliacea Herbert Mason 1945-7-11 Colusa Alkali Plains 3 miles above Colusa Comment
  SACT000816  Heleochloa schoenoides Herbert Mason 1945-7-11 Colusa Alkali Plains three miles above Colusa. Comment
  UCD138036  Sagittaria montevidensis subsp. calycina Herbert L. Mason; Verne Grant 1946-8-7 12981 Colusa 8 miles north of Colusa. Comment
  CAS-BOT-BC41526  Erysimum capitatum H. L. Mason 1933-4-9 7189 Contra Costa East of Antioch along the San Joaquin River. 12 Comment
  CAS-BOT-BC83286  Myosurus minimus H. L. Mason 1932-3-20 6854 Contra Costa Briones road. Comment
  CAS-BOT-BC83287  Myosurus minimus Herbert L. Mason 1952-4-14 14263 Contra Costa 3.5 miles south of Byron. Comment
  SBBG29885  Streptanthus hispidus H. L. Mason 1938-5-3 11751 Contra Costa trail between Juniper Camp and Deer Flat, Mt Diablo Comment
  UC1028683  Minuartia californica Herbert L. Mason 1932-3-20 6849 Contra Costa Antioch Sand Hills Comment
  UC1051490  Linanthus liniflorus Herbert L. Mason 1952-4-14 14265 Contra Costa 3.5 mi s Byron Comment
  UC1076313  Orobanche uniflora subsp. occidentalis Herbert L. Mason 1931-4-5 5828 Contra Costa Road between Marsh Creek and Livermore. Comment
  UC1076338  Dryopteris arguta Herbert L. Mason 1924-11-23 1166 Contra Costa via Cashion Creek Las Trampas Ridge Comment
  UC1077124  Pilularia americana Herbert L. Mason 1932-3-20 6851 Contra Costa Deer Valley Comment
  UC1093922  Alnus rhombifolia Herbert L. Mason 1924-11-23 1159 Contra Costa Las Trampas Ridge; via Cashion Comment
  UC1111016  Lilaeopsis masonii Herbert L. Mason October, 1942 12556 Contra Costa Antioch, Lower San Joaquin R. Comment
  UC1738086  Myosurus minimus H. L. Mason 1957-3-15 14268 B-2 Contra Costa 3 mi S of Byron ( on road to Herdlyn) Comment
  UC1738087  Myosurus minimus H. L. Mason 1956-5-24 14268 B-1 Contra Costa 3 mi S of Byron ( on the road to Herdlyn) Comment
  UC555416  Lotus micranthus H. L. Mason 1928-4-29 4428 Contra Costa Sycamore Canyon, s slope of Mount Diablo Mount Diablo Comment
  UC555482  Trifolium albopurpureum var. albopurpureum H. L. Mason 1928-4-29 4437 Contra Costa Sycamore Canyon Mt. Diablo, south slope Comment
  UC555592  Trifolium gracilentum H. L. Mason 1928-4-13 4301 Contra Costa Richmond waterfront Comment
  UC555598  Trifolium ciliolatum H. L. Mason 1928-4-26 4383 Contra Costa Berkeley-Oakland HIlls Comment
  UC555647  Rosa gymnocarpa Herbert L. Mason 1924-11-23 1161 Contra Costa Cashion Creek Las Trampas Ridge Comment
  UC565479  Blennosperma nanum var. nanum H. L. Mason 1929-3-15 5045 Contra Costa just s of Nortonville Comment
  UC565627  Chaenactis glabriuscula var. glabriuscula H. L. Mason 1931-4-5 5817 Contra Costa Antioch sandhills Antioch Comment
  UC570838  Ribes californicum Herbert L. Mason 1926-3-7 2709 Contra Costa Summit Mt. Diablo Comment
  UC570875  Lithophragma affine H. L. Mason 1932-3-20 6843 Contra Costa Antioch Sand Hills Comment
Read comments Oct 9 2006
  UC592126  Nemophila pedunculata H. L. Mason 1932-3-20 6841 Contra Costa Antioch sand hills Comment
  UC634752  Epilobium canum subsp. canum Herbert L. Mason 1923-11-12 852 Contra Costa lower slopes Mt. Diablo Comment
  UC634940  Claytonia exigua subsp. exigua H. L. Mason 1925-3-10 1296 Contra Costa higher slopes Mt. Diablo Comment
  UC634958  Myosurus minimus H. L. Mason 1931-4-5 5824 Contra Costa Road between Marsh Creek and Livermore Comment
  UC635249  Allium serra H. L. Mason 1929-3-29 5135 Contra Costa Marsh Creek Road 2 mi e Claton; Marsh Creek Road Comment
  UC635302  Astragalus gambelianus H. L. Mason 1928-4-26 4380 Contra Costa Berkeley-Oakland Hills Comment
  UC635349  Delphinium H. L. Mason 1925-3-10 1301 Contra Costa Mount Diablo; along lower canyon slopes Comment
  UC635400  Camissoniopsis intermedia H. L. Mason 1928-4-29 4436 Contra Costa Sycamore Canyon Mount Diablo (s slope of mt.) Comment
  UC635408  Camissoniopsis micrantha H. L. Mason 1932-3-20 6850 Contra Costa sand hills near Antioch Comment
  UC672254  Ericameria linearifolia H. L. Mason 1926-3-7 2707 Contra Costa near summit Mount Diablo Comment
  UC672438  Anemopsis californica Herbert L. Mason 1929-9-21 5437 Contra Costa 3 mi above Clayton (Marsh Creek Road); Marsh Creek Road Comment
  UC673358  Dodecatheon clevelandii subsp. patulum Herbert L. Mason 1925-2-28 1260 Contra Costa 1/2 mi e Rodeo; e of Rodeo Comment
  UC694150  Psilocarphus tenellus H. L. Mason 1928-4-29 4425 Contra Costa Mt. Diablo Comment
  UC908611  Linanthus pygmaeus subsp. continentalis Herbert L. Mason 1928-4-29 4431 Contra Costa Sycamore Canyon Mount Diablo (s slope of Mount Diablo) Comment
  UC908685  Linanthus androsaceus Herbert L. Mason 1928-4-15 4349 Contra Costa e end Moraga Ridge Comment
  UC908741  Collomia heterophylla Herbert L. Mason 1928-4-15 4361 Contra Costa woods along trail Moraga Ridge Comment
  UC909004  Gilia clivorum Herbert L. Mason 1928-4-15 4358 Contra Costa top Moraga Ridge; top of Moraga Ridge Comment
  UC912297  Logfia filaginoides Herbert L. Mason 1928-4-26 4385 Contra Costa Berkeley-Oakland Hills Comment
  UC912567  Delphinium hesperium subsp. pallescens H. L. Mason 1928-4-29 4423 Contra Costa s slope of mt Mount Diablo, Sycamore Canyon Comment
  CAS-BOT-BC342346  Logfia gallica H. L. Mason 1928-4-26 4386 Contra Costa Berkeley-Oakland Hills Comment
  POM257264  Camissonia campestris subsp. campestris H. L. Mason 1929-3-31 5153 Contra Costa Along San Joaquin River, Antioch. Comment
  POM257269  Camissonia micrantha H. L. Mason 1929-3-31 5160 Contra Costa Along San Joaquin River Comment
  POM269205  Ranunculus hebecarpus H. L. Mason 1929-3-29 5126 Contra Costa Marsh Creek Road, 2 miles above Clayton Comment
  POM313443  Ranunculus sceleratus H. L. Mason 1937-6-21 11547 Contra Costa 0.5 mile from the S end of Borden Hwy and 1.5 miles W of Byron. Comment
  RSA114055  Downingia insignis H. L. Mason 1952-4-14 14267 Contra Costa 3.5 miles S of Byron Comment
  UC570693  Solanum americanum H. L. Mason 1929-9-21 5445 Contra Costa 1 mi e of junction with road to Antioch (Bordon Highway); Bordon Highway Comment
  UC570734  Pogogyne serpylloides Herbert L. Mason 1924-5-13 1014 Contra Costa Ridge south of Claremont Canyon, Berkeley Hills Comment
  UC573064  Pectocarya penicillata H. L. Mason 5133 Contra Costa 2 mi above Clayton (Marsh Creek Rd) Comment
  UC634972  Ranunculus hebecarpus H. L. Mason 1929-3-29 5126 Contra Costa two mi above Clayton (Marsh Creek Road) Comment
  UCD96307  Myosurus minimus H. L. Mason 1952-4-14 14263 Contra Costa 3.5 miles south of Byron. Comment
  CAS-BOT-BC157358  Comarum palustre Herbert L. Mason 1940-7-25 12331 El Dorado Grass Lake, Luther Pass 2377 Comment
  RSA64472  Arctostaphylos nissenana H. L. Mason 1945-02 s.n. El Dorado Placerville Comment
Read comments Jun 22 2012
  SBBG26960  Comarum palustre H. L. Mason 1940-7-25 12331 El Dorado Grass lake, Luther Pass 2377 Comment
  SEINET191758 Image available Antennaria rosea H. L. Mason 1939-7-8 12162 El Dorado NE end of Fallen Leaf Lake 1951 Comment
  UC1039603  Mimulus tilingii Herbert L. Mason 1940-7-25 12332 El Dorado 10.5 mi s Lake Tahoe (e El Dorado Co.); Grass Lake 2377 Comment
  UC1060664  Linanthus bolanderi Herbert L. Mason 1957-4-28 14688 El Dorado ca 5 mi s Georgetown; Garden Valley 579 Comment
  UC1076233  Lupinus nanus H. L. Mason 1926-5-28 3261 El Dorado Rose Springs Comment
  UC1083183  Chrysolepis sempervirens Herbert L. Mason 1929-10-4 5474 El Dorado above Glen Alpine; Fallen Leaf Lake Comment
  UC1083328  Pinus monticola H. L. Mason 1929-10-4 5472 El Dorado hills above Glen Alpine Comment
  UC1191112  Pseudotsuga menziesii var. menziesii Herbert L. Mason 1929-10-4 5477 El Dorado summit Placerville Road; Johnson Pass, Placerville Road Comment
  UC1199514  Quercus vacciniifolia Herbert L. Mason 1929-10-4 6573 El Dorado hills above Glen Alpine; Fallen Leaf Lake Comment
  UC555352  Trifolium depauperatum var. amplectens H. L. Mason 1928-5-4 4501 El Dorado Shingle Springs Comment
  UC555546  Ceanothus serrulatus Herbert L. Mason 1926-5-30 3316 El Dorado ridge between Emerald Bay and Cascade Lake Comment
  UC565580  Penstemon deustus Herbert L. Mason 1926-5-30 3310 El Dorado back Emerald Bay; Lake Tahoe, back of Emerald Bay Comment
  UC566657  Senecio aronicoides Herbert L. Mason 1932-4-25 7013 El Dorado Pilot Hill Comment
  UC570982  Rhamnus tomentella subsp. tomentella Herbert L. Mason 1926-5-28 3255 El Dorado Rose Springs Comment
  UC571021  Ageratina occidentalis H. L. Mason 1928-10-4 5464 El Dorado 14 mi from; w side of Lake Tahoe above Emerald Bay; Tahoe City Comment
  UC571155  Sedum rosea subsp. integrifolium H. L. Mason 1926-5-30 3313 a El Dorado above falls hill slope back Emerald Bay; hill slope back of Emerald Bay Comment
  UC581124  Gnaphalium palustre H. L. Mason 1933-5-29 7245 El Dorado Shingle Springs Comment
  UC634581  Ceanothus velutinus Herbert L. Mason 1926-5-30 3319 El Dorado ridge between Emerald Bay Lake Tahoe and Cascade Lake; ridge btw Emerald Bay Lake Tahoe and Cascade Lake Comment
  UC634811  Ceanothus lemmonii H. L. Mason 1928-5-4 4496 El Dorado 3 mi n Latrobe (Dugars) Comment
  UC640580  Silene californica H. L. Mason 1928-5-4 4530 El Dorado Hastings Creek near Pilot Hill (Sierra Nevada); , Hastings Creek near Pilot Hill Comment
  UC673473  Castilleja lineariloba H. L. Mason 1932-4-25 7018 El Dorado on road between Coloma and Auburn (Pilot Hill); Pilot Hill Comment
  UC909141  Linanthus filipes Herbert L. Mason 1928-5-4 4515 El Dorado 4 mi n Shingle Springs Comment
  UC912275  Layia fremontii Herbert L. Mason 1932-4-25 7022 El Dorado Shingle Springs Comment
  UC912497  Comandra umbellata subsp. californica Herbert L. Mason 1928-5-4 4525 El Dorado south fork of American River, Lotus American River; , Lotus Comment
  UC971709  Navarretia prolifera subsp. lutea Herbert L. Mason 1942-6-24 12552 El Dorado 4 mi e Placerville (ridge n of Smith's Flat) Comment
  UC971854  Limnanthes alba subsp. versicolor Charles T. Mason Jr. 1949-5-9 1294 El Dorado along US Hwy 50 4.3 mi sw Placerville Comment
  UCD52844  Arctostaphylos nevadensis G. W. Mason 1958-5-25 301 El Dorado 50 yds. north from U.S. Hwy. 50 on either side of gravel road leading down to a bog at eastern foot of Meyers Grade. Comment
  POM269630  Ranunculus alismifolius var. alismellus H. L. Mason 1926-5-30 3327 El Dorado Kit Carson Pass. 2622 Comment
  SEINET10542304  Potentilla palustris Herbert L. Mason 1940-7-25 Mason 12331 El Dorado Sphagnum bog in pinus jeffreyi and abies magnifica forest, grass lake, luther Pass 2377 Comment
  SEINET10920153  Antennaria rosea Herbert L. Mason 1939-7-8 Mason 12162 El Dorado Open pine forest, northeast end of Fallen Leaf Lake. 1951 Comment
  UC555429  Trifolium albopurpureum var. albopurpureum H. L. Mason 1928-5-3 4481 El Dorado slopes to s Cosumnes River (opposite Clark Creek) Comment
  UC635570  Myriophyllum quitense H. L. Mason 1929-10-4 5466 El Dorado Lagoons, W side of Lake Tahoe above Emerald Bay, 14 mi from Tahoe City. Comment
  UC971855  Limnanthes alba subsp. versicolor Charles T. Mason Jr. 1949-5-9 1295 El Dorado along US Hwy 50 4 mi ne Shingle Springs (at crossing of Sacramento-Placerville railroad) Comment
Read comments Oct 25 2009
  CAS-BOT-BC83304  Myosurus minimus H. L. Mason 1935-3-27 8171 Fresno West of Fresno. Comment
  UC1100061  Potamogeton nodosus Herbert L. Mason, Malcolm A. Nobs, S. Galen Smith 1949-7-14 988 Fresno 2 mi w of Cameo Comment
  UC581147  Stylocline gnaphaloides H. L. Mason 1935-3-31 8255 Fresno near Kett Station (e of Fresno) Comment
  UC908560  Gilia tricolor subsp. tricolor Herbert L. Mason 1935-3-27 8172 Fresno along road to Firebaugh w Fresno; w of Fresno along road to Firebaugh Comment
  UC971891  Limnanthes montana Charles T. Mason Jr. 1948-5-2 1173 Fresno Big Sandy Valley Black Mountain (e side of mt., 4.2 mi from junction of Hwy 168 and road to Aubrey) 579 Comment
  UCD102992  Lythrum californicum Herbert L. Mason; S. Galen Smith 1948-8-18 8345 Fresno San Joaquin. Comment
  UCD141137  Cyperus rotundus Herbert L. Mason; S. Galen Smith 1948-8-18 8349 Fresno just west of Stratford. Comment
  CAS-BOT-BC114729  Cyperus difformis Herbert L. Mason; Stanley Galen [S. Galen] Smith 1948-8-17 8341 Fresno King's River E of Burrell. Comment
  SACT000973  Digitaria sanguinalis Herbert Mason, S. Smith 1948-7-28 Fresno Rooting at nodes. Comment
  SEINET11671688  Phalaris paradoxa H. L. Mason 1940-1 12252 Fresno San Joaquin Valley, Lyon and Hoag Ranch, 9 mi SE of South Dos Palos 30 Comment
  CAS-BOT-BC176230  Hesperolinon disjunctum Herbert L. Mason 1952-6-19 14309 Glenn Black Diamond Ridge, Mendocino National Forest 609 Comment
  RSA151705  Hesperolinon drymarioides H. L. Mason 1952-6-19 14303 Glenn Black Diamond Ridge, Mendocino National Forest 823 Comment
  CAS-BOT-BC212020  Cornus nuttallii H. L. Mason 1928-7-14 4897 Humboldt East fork of Eel River near Garberville Comment
  UC566944  Centaurium muehlenbergii H. L. Mason 1928-7-14 4903 Humboldt near Garberville; East Fork of Eel River Comment
  UC634770  Garrya elliptica H. L. Mason 1932-7-21 7102 Humboldt Big Lagoon Comment
  UC971807  Limnanthes douglasii subsp. nivea Charles T. Mason Jr. 1949-4-29 1283 Humboldt 3.7 mi n Blocksburg (along road from Harris to Bridgeville) Comment
  JEPS89198  Ephedra trifurca Herbert L. Mason 1957-3-31 14682 Imperial near Yuma (desert w of sand hills) Comment
  SD47960  Bahiopsis reticulata Herbert L. Mason 1940-3-22 12240 Inyo Titus Canyon, Grapevine Mountains, Death Valley National Monument Comment
  SD47961  Salvia funerea Herbert L. Mason 1940-3-22 12242 Inyo Titus Canyon, Grapevine Mountains, Death Valley National Monument. Comment
  SD47962  Phacelia crenulata var. crenulata Herbert L. Mason 1940-3-22 12241 Inyo Titus Canyon, Grapevine Mountains, Death Valley National Monument. Comment
  UC1077129  Buddleja utahensis Herbert L. Mason 1940-3-22 12230 Inyo Titus Canyon Death Valley National Monument, Grapevine Mountains (Grapevine Mountains) Comment
  UC1093892  Astragalus mohavensis Herbert L. Mason 1940-3-22 12231 Inyo Titus Canyon Death Valley National Monument, Grapevine Mountains (Grapevine Mountains, Death Valley National Monument) Comment
  CAS-BOT-BC512646  Eriastrum densifolium subsp. austromontanum Herbert L. Mason 1948-9-3 13631 a Inyo Onion Valley Comment
  UC1220405  Najas marina Herbert L. Mason 1963-4-10 15204 Inyo Death Valley National Monument, Furnace Creek Ranch Furnace Creek Ranch Furnace Creek Ranch; Death Valley National Monument, Furnace Creek Ranch Comment
  UC907885  Linanthus demissus Herbert L. Mason 1934-3-30 8028 Inyo summit of road to Stovepipe Wells Panamint Range Comment
  UC908519  Gilia cana subsp. speciformis Herbert L. Mason 1934-3-29 8018 Inyo one mi e Darwin; Mohave Desert, e of Darwin Comment
  CAS-BOT-BC164286  Clarkia cylindrica subsp. cylindrica H. L. Mason 1929-6-2 5356 Kern Coloring fields on northeast slopes of Tehachapi Mountains, Tejon Pass, thirty miles from Bakersfield Comment
  CAS-BOT-BC226221  Gilia interior Herbert L. Mason 1949-4-23 14007 Kern Two miles east of Hobo Hot Springs, Kern River Canyon Comment
  CAS-BOT-BC327817  Monolopia congdonii Herbert L. Mason 1935-4-30 9315 Kern 5 mi W of Bakersfield Comment
  CAS-BOT-BC361934  Psilocarphus tenellus H. L. Mason 1935-3-30 8238 Kern Plains west of Bakersfield Comment
  CAS-BOT-BC46975  Androsace elongata subsp. acuta H. L. Mason 1934-3-28 8002 Kern Kern River Canyon. Comment
  CAS-BOT-BC7358  Monolopia stricta Herbert Louis Mason 1935-5-2 9314 Kern 2 miles W of Los Hills, northwestern Kern County Comment
  NY230638  Monolopia stricta H. L. Mason 1935-5-2 9314 Kern Two miles west of Lost Hills, northwestern Kern County Comment
  POM275680  Prunus fasciculata var. fasciculata H. L. Mason 1935-5-1 10007 Kern Ridge south of Isabella. Comment
  RSA257263  Camissonia campestris subsp. campestris H. L. Mason 1930-4-20 5566 Kern Tehachapi Mountains, Caliente Creek Comment
  RSA310926  Gilia latiflora subsp. davyi H. L. Mason 1935-3-29 8204 Kern 2 miles west of Randsburg Comment
  SBBG112613  Monolopia stricta H. L. Mason 1935-5-2 9314 Kern 2 mi W of Lost Hills; ISOTYPE Comment
  SBBG114013  Caulanthus californicus H. L. Mason 1935-5-2 10001 Kern 1 mi E of Lost Hills Comment
  SBBG28167  Prunus fasciculata var. fasciculata H. L. Mason 1935-5-1 Kern ridge S of Isabella Comment
  SD45379  Leptosiphon aureus Herbert L. Mason 1935-4-30 8348 Kern West side of Walker Pass near summit. Comment
  SD47977  Senna armata Herbert L. Mason 1935-4-30 Kern 23 miles west of Trona. Comment
  SEINET1782182  Monolopia stricta Herbert L. Mason 1935-5-2 9314 Kern Two mi W of Lost Hills, northwestern Kern County. Comment
  UC1039616  Senna armata Herbert L. Mason 1935-4-30 8299 Kern 23 mi. w. Trona Comment
  UC1051446 Image available Mentzelia eremophila Herbert L. Mason 1952-4-6 14205 Kern South of Belridge Comment
Read comments Apr 16 2019
  UC1051447  Stylomecon heterophylla Herbert L. Mason 1952-4-6 14204 Kern s Belridge; s of Belridge Comment
  UC1083194  Quercus douglasii Herbert L. Mason 1929-6-2 5350 Kern 30 mi from Bakersfield; Tehachapi Mts., Tejon Pass Comment
  UC1093850  Cupressus arizonica subsp. nevadensis Herbert L. Mason 1956-3-29 14662 Kern slopes s Bodfish; Piute Mountains 1066 Comment
  UC1093851  Cupressus arizonica subsp. nevadensis Herbert L. Mason 1956-3-29 14662 Kern slopes s Bodfish; Piute Mountains 1066 Comment
  UC1111020  Ancistrocarphus filagineus Herbert L. Mason 1935-5-2 8378 Kern Havilah; Kern River drainage Comment
  UC1179022  Nolina parryi Herbert L. Mason 1935-4-30 8349 Kern Walker Pass Comment
  UC1199841  Ephedra viridis Herbert L. Mason 1935-5-2 8383 Kern Piute Piute (s of Sequoia National Forest) Comment
  UC545818  Collinsia callosa Herbert L. Mason 1935-4-29 10002 Kern 2 mi w Walker Pass Comment
  UC545820  Canbya candida Herbert L. Mason 1935-4-30 10006 Kern Walker Pass Comment
  UC555651  Cercocarpus betuloides var. betuloides H. L. Mason 1929-6-2 5359 Kern Tejon Pass 30 mi from Bakersfield; Tehachapi Mountains, Tejon Pass Comment
  UC565552  Malacothrix coulteri H. L. Mason 1932-4-3 6909 Kern near Blackwells Corners Comment
  UC570799  Chamaesyce albomarginata H. L. Mason 1930-4-20 5562 Kern Tehachapi Mtns, Caliente Creek Comment
  UC573130  Amsinckia tessellata var. tessellata H. L. Mason 1932-4-2 6901 Kern 3 mi w Muroc; Mojave Desert Comment
  UC581136  Salvia dorrii var. pilosa H. L. Mason 1934-3-28 8000 Kern near Onyx; Kern River Canyon Comment
  UC581167 Image available Stylocline masonii H. L. Mason 1935-3-30 8241 Kern plains W of Bakersfield Comment
  UC634845  Eremalche exilis H. L. Mason 1930-4-20 5578 Kern hills between Mohave and Lancaster Comment
  UC635053  Chorizanthe xanti H. L. Mason 1929-6-2 5354 Kern 30 mi from Bakersfield (Tejon Pass, Tehachapi Mountains); Tehachapi Mountains, Tejon Pass Comment
  UC635126  Anisocoma acaulis H. L. Mason 1932-4-2 6897 Kern 3 mi w Muroc; Mohave Desert Comment
  UC673523  Lepidium lasiocarpum var. lasiocarpum H. L. Mason 1930-4-20 5570 Kern hills between Mohave and Lancaster Comment
  UC673546  Scrophularia californica subsp. floribunda H. L. Mason 1929-6-2 5352 Kern 30 mi from Bakersfield (Tejon Pass); Tehachapi Mts Comment
  UC907811  Navarretia setiloba Herbert L. Mason 1949-4-23 14000 Kern e of Bakersfield Comment
  UC907833  Linanthus bicolor Herbert L. Mason 1934-3-28 8005 Kern 31 mi w Onyx (lower Kern River Canyon); Kern River Canyon Comment
  UC907948  Gilia tricolor subsp. diffusa Herbert L. Mason 1949-4-23 14005 Kern below Breckenridge Mountain Road (Kern Canyon); , below Breckenridge Mountain Road Comment
  UC908134  Gilia minor Herbert L. Mason 1945-3-30 8245 Kern Lost Hills w Bakersfield; Lost Hills w of Bakersfield Comment
  UC908802  Linanthus bigelovii Herbert L. Mason 1935-4-30 8352 Kern Walker Pass Comment
  UC909036  Gilia malior Herbert L. Mason 1935-4-30 6272 Kern Onyx South Fork Kern River, Onyx (South Fork of the Kern River) Comment
  UC912610  Layia glandulosa Herbert L. Mason 1932-4-2 6900 Kern 3 mi w Muroc; Mojave Desert Comment
  UCD48551  Navarretia nigelliformis subsp. nigelliformis Herbert L. Mason 1935-5-2 8387 Kern Plains east of Bakersfield, Kern County, California. Comment
  UCD49820  Eleocharis parishii Herbert L. Mason 1948-9-2 13629 Kern Walker Pass. Comment
  SEINET10673348 Image available Monolopia stricta Herbert L. Mason 1935-5-2 Mason 9314 Kern Two miles west of Lost Hills, northwestern Kern County. Comment
  SEINET8729348 Image available Linanthus liniflorus Herbert L. Mason 1935-1 8386 Kern Plains east of Bakersfield. Comment
  UC1106907  Parietaria pensylvanica Herbert L. Mason 1935-5-2 8381 Kern 2 mi se Hobo Hot Springs (s of Isabella) Comment
  CAS-BOT-BC213559  Eragrostis hypnoides Herbert L. Mason; S. Galen Smith 1948-8-18 8348 A Kings Along a canal just west of Stratford Comment
  UC1191756  Ludwigia palustris Herbert L. Mason and S. Galen Smith 1948-8-19 8368 Kings Kings R. near Hub; Kings R. Comment
  UC1192261  Bergia texana Herbert L. Mason, S. Galen Smith 1948-8-18 8347 Kings Just west of Stratford Comment
  CAS-BOT-BC114107  Cyperus squarrosus Herbert L. Mason 1945-8-24 12686 Lake East Shore, Lower Lake. Comment
  CAS-BOT-BC176040  Hesperolinon clevelandii H. L. Mason 1934-5-5 8112 Lake East side of Mount Konocti Comment
  CAS-BOT-BC226553  Leptosiphon acicularis Herbert L. Mason 1933-4-30 7218 Lake Middletown Comment
  CAS-BOT-BC229526  Collomia diversifolia Herbert L. Mason 1938-5-1 11741 Lake 3 miles E of Middletown Comment
  CAS-BOT-BC230308  Navarretia heterandra Herbert L. Mason 1946-5-30 12791 Lake Locomono Creek near Middletown Comment
  CAS-BOT-BC342182  Logfia filaginoides H. L. Mason 1933-4-30 7232 Lake Ridge near Aetna Springs Comment
  CAS-BOT-BC352833  Lasthenia glabrata subsp. glabrata H. L. Mason 1929-4-29 5250 Lake Blue Lake Comment
  CAS-BOT-BC419003  Persicaria lapathifolia Herbert L. Mason 1930-8-1 5718 Lake Clear Lake Comment
  HSC24623  Calyptridium quadripetalum H. L. Mason 1936-4-26 11097 Lake Barlett Springs, 16 mi. NE of Clear Lake 793 Comment
  JEPS22801  Epilobium nivium Herbert L. Mason 1936-9-20 11533 Lake sw slope Snow Mountain 1828 Comment
  NY336960  Navarretia pauciflora H. L. Mason 1945-5-12 12583 Lake Five miles N of Lower Lake Comment
  POM310951  Collomia diversifolia H. L. Mason 1938-5-1 11741 Lake 3 miles east of Middletown Comment
  POM312376  Downingia concolor var. concolor H. L. Mason 1946-5-19 12793 Lake Locomono Creek near Middletown. Comment
  POM312383  Mollugo verticillata H. L. Mason 1946-7-27 12953 Lake Clear Lake, 2-3 miles north of Lakeport. Comment
  SEINET190346  Micropus californicus var. californicus H. L. Mason 1933-4-30 7229 Lake Near Aetna Springs Comment
  SEINET4854785  Navarretia pauciflora Herbert L. Mason 1945-5-12 12583 Lake 5 mi N of Lower Lake. Comment
  UC1039517  Galium andrewsii subsp. andrewsii Herbert L. Mason 1930-6-1 5678 Lake St. Helena Creek Mt. St. Helena Comment
  UC1076307  Orobanche fasciculata Herbert L. Mason 1934-5-5 8115 Lake Plain southwest of Mount Konocti. Comment
  UC1076336  Selaginella wallacei Herbert L. Mason 1925-12-31 2565 Lake Bartlett Mt. road Comment
  UC1076345  Cheilanthes intertexta Herbert L. Mason 1926-1-1 2583 Lake Upper Lake to Elk Mt Comment
  UC1076448  Berberis aquifolium var. repens Herbert L. Mason 1925-12-31 2577 Lake <Bartlett> Springs Comment
  UC1076460  Grindelia hirsutula Herbert L. Mason 1925-12-31 2574 Lake Bartlett Mountain road Bartlett Mountain Comment
  UC1081569  Streptanthus glandulosus subsp. glandulosus Herbert L. Mason 1936-4-26 11091 Lake e side Bartlett Mountain Comment
  UC1093932  Delphinium uliginosum Herbert L. Mason 1935-5-30 8327 Lake hill 2 mi e Middletown Comment
  UC1100142  Echinodorus berteroi Herbert L. Mason 1945-8-24 12672 Lake e. shore Lower Lake Comment
  UC1100152  Damasonium californicum Herbert L. Mason 1946-5-30 12794 Lake Locomono Creek near Middletown; Locomono Creek Comment
  UC1100247  Eragrostis hypnoides Herbert L. Mason 1946-7-27 12951 Lake Clear Lake 2-3 mi n Lakeport; Clear Lake Comment
  UC1100678  Scirpus acutus var. occidentalis Herbert L. Mason 1946-7-27 12946 Lake margin of Clear Lake about one mi s Lakeport; margin of Clear Lake, s of Lakeport Comment
  UC1100681  Scirpus acutus var. occidentalis Herbert L. Mason 1945-8-24 12674 Lake e shore Lower Lake; e shore Lower Lake Comment
  UC1101314  Ceratophyllum demersum Herbert L. Mason 1946-7-27 12955 Lake Upper Lake - Lakeport road Comment
  UC1101374  Ranunculus flammula Herbert L. Mason 1945-8-24 12669 Lake Boggs Lake Comment
  UC1101421  Ludwigia palustris Herbert L. Mason 1945-6-29 12627 Lake Boggs Lake at base Mt. Hanna; , Boggs Lake Comment
  UC1101472  Downingia bicornuta var. bicornuta Herbert L. Mason 1945-6-29 12617 Lake Boggs Lake at base of Mount Hanna Mount Hanna, Boggs Lake Comment
  UC1101531  Elatine heterandra Herbert L. Mason 1953-6-8 14547 Lake Snows Lake Comment
  UC1106908  Vulpia octoflora var. octoflora Herbert L. Mason 1953-4-18 14514 Lake 4.5 mi n Middletown (near Anderson's Springs) Comment
  UC1178812  Navarretia leucocephala subsp. bakeri Herbert L. Mason 1946-5-30 12802 Lake 1.5 mi w Lower Lake Comment
  UC1178818  Paeonia brownii Herbert L. Mason 1945-5-12 12586 a Lake ridge between Burns Valley and Borax Lake Comment
  UC1178899  Minuartia californica Herbert L. Mason 1926-3-21 2756 Lake Middletown to Mt. St. Helena (via Toll House Canyon) Comment
  UC1178984  Keckiella lemmonii Herbert L. Mason 1945-6-28 12603 Lake se of Borax Lake; Obsidian Ridge Comment
  UC1178985  Medicago lupulina Herbert L. Mason 1945-5-12 12577 Lake w Middletown Comment
  UC1179027  Orobanche fasciculata Herbert L. Mason 1940-5-22 12308 Lake Bartlett Mountain. Comment
  UC1191169  Sidalcea malviflora subsp. laciniata Herbert L. Mason 1926-3-14 2718 Lake Mount St. Helena Comment
  UC1192042  Downingia concolor var. concolor Herbert L. Mason 1946-5-19 12793 Lake near Middletown; Locomono Creek Comment
  UC1540432  Calyptridium quadripetalum Herbert L. Mason 1936-4-26 11097 a Lake 16 mi ne of Clear Lake (Bartlett Springs); Bartlett Springs 792 Comment
  UC1988918  Pogogyne douglasii H. L. Mason Jun 1930 5683 Lake four miles east of Middletown Comment
  UC552450  Epilobium nivium Herbert L. Mason 1936-9-20 11533 Lake sw slopes Snow Mountain 1828 Comment
  UC555282  Adenostoma fasciculatum H. L. Mason 1925-12-30 2561 Lake summit of rd. between Hopland and Lakeport (Mayacama Range); Mayacama Range Comment
  UC555372  Trifolium depauperatum var. depauperatum H. L. Mason 1926-3-21 2758 Lake from Middletown to Mt. St. Helena Comment
  UC555615  Trifolium albopurpureum var. dichotomum H. L. Mason 1929-4-29 5228 Lake 3 mi s Hopland (Hopland Grade) Comment
  UC566701  Stephanomeria virgata subsp. pleurocarpa Herbert L. Mason 1925-12-31 2568 Lake Bartlett Mt. Road Clear Lake Comment
  UC566816  Lomatium utriculatum H. L. Mason 1926-3-21 2761 Lake Middletown to Mt. St. Helena Comment
  UC570943  Saxifraga californica Herbert L. Mason 1926-3-21 2771 Lake 2 mi s of Middletown Comment
  UC571075  Arctostaphylos stanfordiana H. L. Mason 1925-12-30 2562 Lake summit of road between Hopland and Lakeport; Mayacama Range Comment
  UC592150  Streptanthus breweri var. hesperidis H. L. Mason June 1930 5688 Lake four mi e Middletown Comment
  UC592163  Eryngium aristulatum var. aristulatum H. L. Mason August, 1930 5720 Lake Clear Lake Comment
  UC595052  Nemophila parviflora H. L. Mason 1938-5-1 11746 Lake Bartlett Springs Comment
  UC595053  Nemophila pedunculata H. L. Mason 1938-5-1 11745 Lake Barlett Springs Bartlett Springs Comment
  UC634788  Garrya congdonii Herbert L. Mason 1926-1-2 2604 Lake between Lower Lake and Middletown Comment
  UC634833  Garrya congdonii Herbert L. Mason 1926-1-2 2603 Lake between Lower Lake and Middletown Comment
  UC635148  Ammannia robusta H. L. Mason August, 1930 5712 Lake Clear Lake Comment
  UC635208  Allium cratericola H. L. Mason 1929-4-29 5241 Lake 2.9 mi w Lakeport (on road from Hopland) Comment
  UC635529  Ceanothus jepsonii Herbert L. Mason 1926-3-22 2783 Lake Mt. St. Helena Comment
  UC640588  Silene californica H. L. Mason June, 1930 5680 Lake n slope Mount St. Helena Inner North Coast Ranges, , Mt. St. Helena (St. Helena Creek) Comment
  UC665686  Fritillaria purdyi Herbert L. Mason 1941-3-16 12385 Lake 3 mi e of Middletown (Inner North Coast Range); Inner North Coast Range Comment
  UC672071  Trillium chloropetalum Herbert L. Mason 1926-3-21 2779 Lake Middletown to Mt. St. Helena via Toll House Canyon Comment
  UC672141  Calochortus uniflorus Herbert L. Mason 1929-4-29 5256 Lake between Middletown and Lower Lake Comment
  UC672485  Collinsia bartsiifolia var. bartsiifolia H. L. Mason 1929-4-29 5238 Lake 2.9 mi w Lakeport (on road to Hopland) Comment
  UC672567  Tonella tenella H. L. Mason 1929-4-29 5255 Lake between Kelseyville and Lower Lake Comment
  UC673343  Athysanus pusillus H. L. Mason 1929-4-29 5237 Lake 2.9 mi w of Lakeport Comment
  UC673448  Triphysaria pusilla H. L. Mason 1926-3-21 2757 Lake Toll House Canyon between Middletown and Mount St. Helena; btw Middletown and Mount St. Helena Comment
  UC673624  Ancistrocarphus filagineus H. L. Mason 1933-4-30 7230 Lake near Aetna Springs Comment
  UC907807  Navarretia atractyloides Herbert L. Mason 1945-6-28 12608 Lake 2.5 mi s Kelseyville Comment
  UC908078  Navarretia intertexta Herbert L. Mason 1945-5-12 12580 Lake 3 mi n Lower Lake Comment
  UC908096  Navarretia intertexta Herbert L. Mason 1945-10-21 12745 Lake 3 mi e Middletown Comment
  UC908172  Navarretia divaricata subsp. vividior Herbert L. Mason 1945-6-29 12629 Lake Boggs Lake, at base of Mount Hanna Mount Hanna Comment
  UC908563  Linanthus pygmaeus Herbert L. Mason 1945-5-12 12587 Lake ridge between Burns Valley and Borax Lake Comment
  UC908599  Linanthus pygmaeus Herbert L. Mason 1935-5-30 8322 Lake w of Mirabel Lake Comment
  UC908632  Linanthus acicularis Herbert L. Mason 1929-4-29 5239 Lake 2.9 mi w Lakeport (e base of road from Hopland to Lakeport) Comment
  UC909039  Navarretia pubescens Herbert L. Mason 1946-5-30 12803 Lake grade above Lucerne (w slope of Bartlett Mountain); Bartlett Mountain Comment
  UC912602  Chorizanthe polygonoides var. polygonoides Herbert L. Mason 1934-5-5 8130 Lake between Kelseyville and Lower Lake; between Kelseyville and Lower Lake Comment
  UC921147  Cyperus squarrosus Herbert L. Mason August, 1930 5710 Lake Clear Lake Comment
  UC935722  Sagittaria cuneata Herbert L. Mason 1945-8-24 12685 Lake East shore Lower Lake; e shore Lower Lake Comment
  UC956835  Ceratophyllum demersum Herbert L. Mason 1946-7-27 12955 Lake Upper Lake- Lakeport road Upper Lake - Lakeport road Comment
  UC971719 Image available Eriastrum brandegeeae H. L. Mason 1945-6-28 12604 Lake se Borax Lake; Obsidian Ridge; Obsidian Ridge, SE of Borax Lake, Lake Co. Comment
  UC971838  Limnanthes douglasii subsp. nivea Herbert L. Mason 1941-4-5 Lake Borax Lake Comment
  UCD123430  Antirrhinum cornutum Herbert L. Mason 1940-5-10 14804 Lake Obsidian pond, north of Lower Lake. Comment
  UCD48438  Navarretia jepsonii Herbert L. Mason 1946-5-30 12792 Lake Locomono Creek near Middletown, Lake County, California. Comment
  UCD48474  Navarretia intertexta H. L. Mason 1945-6-28 12594 Lake 3 miles east of Middletown, Lake County, California. Comment
  UCD63376  Eragrostis hypnoides H. L. Mason 1945-8-24 12678 Lake East shore, Lower Lake. Comment
  UCD97212  Amaranthus californicus H. L. Mason 1945-8-24 12676 Lake East shore, Lower Lake. Comment
  CAS-BOT-BC299710  Crocidium H. L. Mason 1929-4-29 5443 Lake About three miles west of Lakeport on Hopland Road Comment
  CAS-BOT-BC435170  Cypselea humifusa Herbert L. Mason 1945-8-24 12684 Lake East shore, Lower Lake Comment
  JEPS21448  Antirrhinum cornutum Herbert L. Mason 1940-5-10 14804 Lake n of Lower Lake Comment
  POM313037  Echinodorus berteroi H. L. Mason 1945-8-24 12672 Lake East shore, Lower Lake. Comment
  POM313045  Schoenoplectus fluviatilis H. L. Mason 1945-8-24 12673 Lake East shore, Lower Lake. Comment
  RSA0004735  Eriastrum brandegeeae H. L. Mason 1945-6-28 12604 Lake Obsidian Ridge, southeast of Borax Lake Comment
  RSA84423  Aquilegia eximia H. L. Mason 1933-9-24 s.n. Lake St. Helena Creek, E slope of Mt. St. Helena Comment
  SEINET10890119 Image available Navarretia pauciflora Herbert L. Mason 1945-5-12 Mason 12583 Lake Comment
  SEINET196697  Navarretia pubescens Herbert L. Mason 1935-5-30 8330 Lake Between Lower Lake and Knoxville Mine. Comment
  SEINET199763  Claytonia rubra subsp. rubra H. L. Mason 1926-3-26 11097 Lake 1.5 mi E of Bartlett Springs Comment
  SEINET8729289 Image available Collomia diversifolia Herbert L. Mason 1938-1 11741 Lake Three miles east of Middletown. 1938 Comment
  UC1093987  Isoetes bolanderi Herbert L. Mason 1936-9-20 11536 Lake base of trail to Snow Mt from sheep corral Snow Mt Comment
  UC1100669  Cyperus erythrorhizos Herbert L. Mason and S. Galen Smith 1949-9-8 1850 Lake shore on s.e. side Clear Lake Comment
  UC1178869  Wyethia angustifolia Herbert L. Mason 1937-5-27 11554 a Lake nine mi s Kelseyville Comment
  UC604420  Psilocarphus oregonus H. L. Mason 1934-5-5 8133 Lake se of Kelseyville (near Hildebrand Ranch) Comment
  UC635542  Clematis lasiantha H. L. Mason 1929-4-29 5232 Lake just e. Hopland; Mayacama Range Comment
Read comments Jul 28 2015
  UC673625  Ancistrocarphus filagineus H. L. Mason 1933-4-30 7233 Lake 10 mi n, on rd to Middleton Pope Valley Comment
  UC907940  Linanthus bicolor Herbert L. Mason 1932-5-26 A 7219 Lake 2 mi s Wilbur Comment
  UC908080  Navarretia pubescens Herbert L. Mason 1945-6-28 12592 Lake 1 mi e Middletown; Lokomono Creek Bridge Comment
  UC908428  Navarretia intertexta Herbert L. Mason 1945-6-29 12613 Lake wash of Kelsey Creek Kelsey Creek Comment
  UC912255  Lessingia ramulosa Herbert L. Mason 1928-7-20 4912 Lake s Kelseyville Comment
  UCD110432  Bergia texana Herbert L. Mason 1945-8-24 12681 Lake East shore, Lower Lake. Comment
  UCD59448  Navarretia pubescens Herbert L. Mason 1935-5-30 8330 Lake Between Lower Lake and Knoxville mine. Comment
  UCD96982  Cypselea humifusa Herbert L. Mason 1945-8-24 12684 Lake East shore, Lower Lake. Comment
  POM313136  Scribneria bolanderi H. L. Mason, Malcom A. Nobs, S. Galen Smith 1949-5-29 759 Lassen On Great Northern Railroad , Highway 299, Nubeiber. Comment
  UC1093640  Gilia inconspicua Herbert L. Mason 1957-7-5 14716 Lassen town s Madeline (Madeline Plains); Madeline Plains (town s of Madeline) Comment
  UC1100148  Damasonium californicum Herbert L. Mason, Malcolm A. Nobs, and S. Galen Smith 1949-5-29 755 Lassen on Great Northern R.R. <Nubeiber> (Hwy. 299) Comment
  UC1100958  Juncus balticus Herbert L. Mason and Verne Grant 1947-7-9 13297 Lassen 5 mi e Bieber Comment
  UC1178952  Polygonum douglasii subsp. spergulariiforme Herbert L. Mason Jul 29 1955-Jul 31 1955 14645 Lassen near Westwood Junction ((railroad station 15 mi w of Susanville), s Lassen Co.) Comment
  UC1191311  Polygonum polygaloides subsp. confertiflorum Herbert L. Mason Jul 29 1955-Jul 31 1955 14639 Lassen Pine Creek Flat Comment
  UC1713222  Potamogeton pusillus subsp. pusillus Herbert L. Mason and Verne Grant 1947-7-9 13292 Lassen 5 miles east of Bieber Comment
  UC956834  Ceratophyllum demersum Herbert L. Mason and Verne Grant 1947-7-9 13295 Lassen irrigation ditch 5 mi e Bieber Comment
  UC1192315  Iris missouriensis Herbert L. Mason 1949-5-30 Lassen ne of Burney Falls 1524 Comment
  CAS-BOT-BC226394  Gilia latiflora subsp. latiflora Herbert L. Mason 1926-4-26 2998 Los Angeles Little Rock Creek, Mohave [Mojave] Desert Comment
  CAS-BOT-BC407850  Gilia ochroleuca subsp. ochroleuca Herbert L. Mason 1926-4-27 3044 a Los Angeles San Gabriel Mountains, Rock Creek 1219 Comment
  CAS-BOT-BC83103  Eschscholzia minutiflora H. L. Mason 1926-4-27 3043 Los Angeles Rock Creek. Comment
  JEPS19480  Orobanche cooperi Herbert L. Mason 1926-4-26 3021 Los Angeles Mohave Desert, Little Rock Creek Little Rock Creek; Mohave Desert, Little Rock Creek Comment
  SD45370  Leptosiphon ciliatus Herbert L. Mason 1927-6-11 3747 Los Angeles Mount Wilson, San Gabriel Mountains. 1524 Comment
  SFV16106  Mentzelia gracilenta S. Mason, et al. 1995-4-23 53 Los Angeles Mojave Desert Little Rock. Mount Emma Road, 0.8 miles above Fort Tejon Road on northern foothills of Transverse Range. 915 Comment
  UC1039780  Castilleja plagiotoma H. L. Mason 1926-4-26 2972 Los Angeles 4 mi s Vincent (Mint Canyon Road, Soledad Pass); Soledad Pass Comment
  UC1076212  Lepidium perfoliatum H. L. Mason 1932-4-1 6861 Los Angeles 1 mi. e. Lancaster (Mohave Desert); Mohave Desert Comment
  UC1076386  Ephedra nevadensis H. L. Mason 1930-4-20 5593 Los Angeles hills in Rock Creek region Mohave Desert, Rock Creek Comment
  UC555450  Trifolium gracilentum H. L. Mason 1926-4-26 2951 Los Angeles 4 mi w Saugus Comment
  UC566774  Coreopsis californica var. californica Herbert L. Mason 1932-4-1 6872 Los Angeles 1 mi e Lancaster; Mojave Desert Comment
  UC566775  Coreopsis californica var. californica Herbert L. Mason 1926-4-26 3003 Los Angeles Little Rock Comment
  UC566901  Tauschia parishii H. L. Mason 1927-6-14 3764 Los Angeles camp mouth of Icehouse Canyon mouth of Icehouse Canyon; San Gabriel Mountains, mouth of Icehouse Canyon 1889 Comment
  UC635042  Pterostegia drymarioides Herbert L. Mason 1927-6-14 3755 Los Angeles San Gabriel Mts., San Antonio Canyon 914 Comment
  UC635080  Eriogonum fasciculatum var. polifolium Herbert L. Mason 1926-4-26 2962 Los Angeles 4 mi w Saugus Comment
  UC635246  Allium fimbriatum var. fimbriatum H. L. Mason 1926-4-26 3022 Los Angeles near Rock Creek (n side of San Gabriel Mountains); San Gabriel Mountains Comment
  UC672265  Ericameria cooperi var. cooperi H. L. Mason 1926-4-27 3045 Los Angeles Big Pine Recreation Camp Road between Big Rock Creek and Little Rock Creek Comment
  UC672365  Nama demissa var. demissa Herbert L. Mason 1926-4-26 3002 Los Angeles Little Rock Comment
  UC672595  Salazaria mexicana H. L. Mason 1926-4-26 2981 Los Angeles Vincent to Palmdale; Vincent to Palmdale Comment
  UC672669  Mentzelia jonesii H. L. Mason 1932-4-1 6871 Los Angeles 1 m e Lancaster; Mohave Desert Comment
  UC673299  Dithyrea californica H. L. Mason 1932-4-1 6858 Los Angeles 1 mi e Lancaster; Mohave Desert Comment
  UC908269  Linanthus dichotomus Herbert L. Mason 1926-4-27 3023 Los Angeles Rock Creek San Gabriel Mountains Comment
  UC908289  Linanthus dichotomus Herbert L. Mason 1930-4-20 5594 Los Angeles s of Lancaster; Mohave Desert, Rock Creek Region Comment
  UC908803  Linanthus bigelovii Herbert L. Mason 1932-4-1 6860 Los Angeles 1 mi e Lancaster; Mohave Desert Comment
  UC908820  Gilia latiflora subsp. latiflora Herbert L. Mason 1926-4-26 2970 Los Angeles four mi s Vincent (Soledad Pass (Mint Cayon Highway)); Soledad Pass, s of Vincent Comment
  UC908828  Gilia latiflora subsp. latiflora Herbert L. Mason 1926-4-26 2998 Los Angeles Little Rock Creek Mohave Desert, Little Rock Creek Comment
  UC908889  Gilia latiflora subsp. latiflora Herbert L. Mason 1926-4-27 3060 Los Angeles 30 mi w Victorville; Mohave Desert, w of Victorville Comment
  UC908890  Gilia modocensis Herbert L. Mason 1926-4-27 3033 Los Angeles Rock Creek San Gabriel Mts., Rock Creek Comment
  UC909081  Loeseliastrum matthewsii Herbert L. Mason 1926-4-27 3058 Los Angeles 30 mi. w. Victorville; Mojave Desert Comment
  UC912595  Layia glandulosa Herbert L. Mason 1926-4-27 3042 Los Angeles Little Rock Creek Comment
  UCD142537  Euphorbia albomarginata Steve Mason 1993-5-2 30 Los Angeles Mojave Desert, off CA Hwy. 138, 1.0 mi. past W 110th St. on dirt road 0.4 mi. from jct. 762 Comment
  UCD95185  Argemone munita Steve Mason 1993-5-2 31 Los Angeles Mojave Desert, off W. State Rt. 138, 1 mile past W. 110th Street., S on dirt road, 0.4 mile in, 30' off west roadside. 762 Comment
  CAS-BOT-BC178633  Astragalus coccineus H. L. Mason 1926-4-27 3044 Los Angeles Rock Creek, San Gabriel Mountains Comment
  CAS-BOT-BC226346  Gilia latiflora subsp. davyi Herbert L. Mason 1926-4-27 3060 Los Angeles Thirty miles west of Victorville, Mohave [Mojave] Desert Comment
  POM270946  Delphinium cardinale H. L. Mason 1927-6-15 3788 Los Angeles San Gabriel River. Comment
  SEINET233347  Arabis pulchra Steve Mason, Helen M. Mason 1993-5-9 36 Los Angeles Mt. Pinos area Lockwood Valley Rd 3.7 mi from Mt. Pios Hwy on the right side of the road 1646 Comment
  UC1076490  Arenaria macradenia var. macradenia Herbert L. Mason 1926-4-26 2977 Los Angeles Summit of Mint Canyon Comment
  UC1083313  Ephedra viridis Herbert L. Mason 1926-4-26 2960 Los Angeles 4 mi w of Sanger Comment
Read comments Jul 31 2014
  UC565466  Arabis pulchra H. L. Mason 1926-4-26 2978 Los Angeles Summit of Mint Canyon San Gabriel Mountains Comment
  UC566707  Baileya pleniradiata H. L. Mason 1926-4-27 3064 Los Angeles 30 mi w of Victorville Comment
  UC908420  Gilia minor Herbert L. Mason 1938-4-15 11722 Los Angeles three mi e Mohave (Mohave Desert); , e of Mohave Comment
  UC909024  Gilia angelensis Herbert L. Mason 1926-4-26 2942 Los Angeles upper road Pacoima Wash foothills San Gabriel Mountains, Pacoima Wash (foothills of San Gabriel Mountains) Comment
  UC964737  Gilia ochroleuca subsp. bizonata Herbert L. Mason 1926-4-27 3048 Los Angeles between Rock Creek and Little Rock Creek (along Los Angeles Co. Park Road, Mohave Desert); Mohave Desert, along Los Angeles Co. Park Road Comment
  UCD116647  Malva parviflora Steve Mason; Helen M. Mason 1993-3-21 35 Los Angeles Sepulveda, backyard of 9629 Langdon Ave. Comment
  UCD15431  Gilia scopulorum S. Mason,; H. Mason, and C. Katzfey 1995-4-23 54 Los Angeles California, Los Angeles Co.; in the northern foothills of Transverse Range/Mojave Desert foothills near Little Rock; along Mt. Emma Road, 0.8 miles above Ft. Tejon Rd.; along the right side of the road in a road cut; 914 Comment
  UC1076524  Pedicularis attollens Herbert L. Mason 1941-7-7 12513 Madera just s of the Givens Lake Trail junction; Sierra Nevada, Yosemite National Park 2865 Comment
  UC1093907  Microseris nutans Herbert L. Mason 1941-7-7 12515 Madera just s Givens Lake trail junction; Sierra Nevada, Yosemite National Park 2865 Comment
  UC1093945  Gaultheria humifusa Herbert L. Mason 1941-7-14 12520 Madera Yosemite National Park, Ottoway Lake Ottoway Lake; Sierra Nevada, Yosemite National Park, Ottoway Lake 2987 Comment
  UC1111589  Dodecatheon subalpinum Herbert L. Mason 1941-7-6 12496 Madera Royal Arch Lake Sierra Nevada, Yosemite National Park, Royal Arch Lake 2743 Comment
  UC1111590  Dodecatheon subalpinum Herbert L. Mason 1941-7-9 12516 Madera ridge w Moraine Meadows (Sierra Nevada); , Yosemite National Park 2682 Comment
  UC1111591  Caltha biflora Herbert L. Mason 1941-7-7 12504 Madera Bog just south of the Givens Lake trail junction, Yosemite National Park, Sierra Nevada. 2865 Comment
  UC1111593  Kelloggia galioides Herbert L. Mason 1941-7-14 12523 Madera Ottoway Lake; Sierra Nevada, Yosemite National Park 2987 Comment
  UC570758  Callitriche heterophylla var. bolanderi H. L. Mason 1929-3-24 5111 Madera 18 mi e Madera (junction of Yosemite Road) Comment
  UC592143  Caulanthus coulteri H. L. Mason 1929-3-24 5112 Madera junction of Yosemite Road eighteen mi e Madera; e of Madera Comment
  UC592188  Nemophila menziesii H. L. Mason 1929-3-24 5108 Madera at junction of Yosemite Road eighteen mi e Madera; e of Madera at junction of Yosemite Road Comment
  UC635303  Astragalus gambelianus H. L. Mason 1929-3-23 5098 Madera hills back Madera; back of Madera Comment
  UC673426  Triphysaria micrantha Herbert L. Mason 1929-3-23 5095 Madera hills back Madera Comment
  UC907827  Linanthus ciliatus Herbert L. Mason 1941-7-7 12497 Madera Buck Camp Comment
  UC908293  Linanthus dichotomus Herbert L. Mason 1929-3-24 5107 Madera 18 mi e Madera (at junction of Yosemite Road, between Bates Station and O'Neals) Comment
  UC963782  Gilia tricolor subsp. tricolor Herbert L. Mason 1929-3-23 5097 Madera hills e Madera; e of Madera Comment
  CAS-BOT-BC514831  Eriastrum pluriflorum subsp. pluriflorum H. L. Mason 1938-7-16 11956 Madera Sierra Nevada: 2 mi S of South Fork 1127 Comment
  POM310915  Leptosiphon grandiflorus H. L. Mason 1940-5-5 12275 Madera Los Banos Creek Comment
  CAS-BOT-BC13135  Agoseris hirsuta Herbert L. Mason 1917-4-28 s.n. Marin Mill Valley Comment
  CAS-BOT-BC176076  Hesperolinon congestum H. L. Mason 1928-4-28 4409 Marin Tiburon Peninsula Comment
  CAS-BOT-BC225293  Gilia capitata subsp. chamissonis Herbert Mason; Annetta Carter 1938-5-18 11840 Marin Point Reyes Peninsula, 12.5 miles from Inverness Comment
  CAS-BOT-BC422663  Meconella californica H. L. Mason 1931-3-13 5810 Marin Lagunitas Creek Comment
  CAS-BOT-BC45867  Limnanthes douglasii var. sulphurea H. L. Mason; A. M. Carter 1938-5-18 1413 Marin Point Reyes Peninsula, 12 miles from Inverness. Comment
  CAS-BOT-BC50930  Ceanothus foliosus var. foliosus H. L. Mason 1924-10-12 1114 Marin Southeast slope of Mt. Tamalpais along railroad Comment
  CAS-BOT-BC99420  Baccharis pilularis H. L. Mason 1922-3-18 s.n. Marin Near pipe line bridge, Mt. Tamalpais Comment
  JEPS38862  Arctostaphylos virgata H. L. Mason 1929-2-17 Marin Inverness Ridge Comment
  NY288747  Limnanthes douglasii var. sulphurea H. L. Mason 1938-5-18 1413 Marin Point Reyes Peninsula, 12 miles from Inverness Comment
  POM257165  Gilia capitata subsp. chamissonis H. L. Mason, Annetta Carter 1938-5-18 11840 Marin Point Reyes Peninsula, 12.5 miles from Inverness. Comment
  POM313222  Glyceria declinata H. L. Mason, Malcolm A. Nobs 1949-4-29 739 Marin Marsh at head of Tomales Bay on Bear Creek above junction with Mill Creek. Comment
  SEINET190345  Micropus californicus var. californicus H. L. Mason 1928-4-13 4317 Marin Hills N of San Rafael Comment
  SEINET200247  Allium lacunosum H. L. Mason 1940-5-20 12291 Marin Back of Tiburon Comment
  UC1076081  Quercus wislizeni H. L. Mason 1924-10-12 1111 Marin s slope Mt. Tamalpais Comment
  UC1076083  Quercus agrifolia Herbert L. Mason 1926-9-12 3638 Marin Lake Lagunitas Comment
  UC1076308  Orobanche fasciculata Herbert L. Mason 1925-4-12 1321 Marin Mt. Tamalpais. Comment
  UC1076310  Kopsiopsis strobilacea Herbert L. Mason 1925-4-12 1320 Marin Pipe line trail, Mt. Tamalpais. Comment
  UC1076463  Equisetum hyemale subsp. affine H. L. Mason June 1930 5673 Marin Inverness Ridge Comment
  UC1083181  Quercus chrysolepis H. L. Mason 1924-11-16 1155 Marin Willow Camp Comment
  UC1083326  Torreya californica Herbert L. Mason 1926-3-6 2684 Marin Mt. Tamalpais Comment
  UC1099794  Sparganium erectum subsp. stoloniferum Herbert L. Mason 1946-7-24 12925 Marin 2nd lake s Bear Valley (on road to Lake Ranch) Comment
  UC1099958  Zostera marina Herbert L. Mason Jun 1930 5671 Marin Dillon's Beach, washed up by surf Comment
  UC1178872  Collinsia heterophylla Herbert L. Mason 1940-5-20 12288 Marin outcrop back of Tiburon Comment
  UC1179013  Quercus wislizeni Herbert L. Mason 1925-10-4 2241 Marin n side Mt. Tamalpais Comment
  UC1191265  Polygonum punctatum Herbert L. Mason 1946-7-24 12922 Marin margin of first lake s Bear Valley (2.8 mi n of Lake Ranch) Comment
  UC1191524  Ribes sanguineum Herbert L. Mason 1946-7-24 12921 Marin 2.8 mi n Lake Ranch (first lake s of Bear Valley) Comment
  UC555370  Trifolium depauperatum var. truncatum H. L. Mason 1928-4-28 4439 Marin Tiburon Peninsula Comment
  UC555472  Pickeringia montana var. montana Herbert L. Mason 1924-9-21 1106 Marin Tamalpais; n slope Comment
  UC555473  Trifolium albopurpureum var. dichotomum Herbert L. Mason 1927-4-26 5214 Marin n; hills; Alpine Lake Comment
  UC555483  Trifolium albopurpureum var. dichotomum H. L. Mason 1928-4-28 4398 Marin Tiburon Peninsula Comment
  UC555579  Trifolium willdenovii H. L. Mason 1928-4-28 4405 Marin Tiburon Peninsula Comment
  UC565469  Arabis blepharophylla H. L. Mason 1927-4-26 5216 Marin w of Alpine Lake (on road from Fairfax to crest of Bolinas Ridge); Bolinas Ridge Comment
  UC565529  Daucus pusillus H. L. Mason 1928-4-28 4403 Marin Tiburon Peninsula Comment
  UC566868  Lomatium dasycarpum subsp. dasycarpum H. L. Mason 1928-4-28 4401 Marin Tiburon Peninsula Comment
  UC566921  Gentiana affinis var. ovata H. L. Mason 1923-10-1 776 Marin s slopes Mount Tamalpais Comment
  UC566945  Cicendia quadrangularis H. L. Mason 1928-4-13 4309 Marin n of San Rafael Comment
  UC570742  Lepechinia calycina Herbert L. Mason 1925-4-12 1333 Marin Mt. Tamalpais, pipeline trail Comment
  UC570778  Callitriche H. L. Mason 1932-3-1 6802 Marin Inverness Ridge Comment
  UC570980  Ribes menziesii Herbert L. Mason 1926-2-21 2661 Marin Point Reyes Comment
  UC571064  Gaultheria shallon Herbert L. Mason 1925-4-12 1326 Marin Mount Tamalpais, Pipe Line Trail Mount Tamalpais; , Pipe Line Trail Comment
  UC571065  Gaultheria shallon H. L. Mason October 1923 777 Marin Mount Tamalpais Comment
  UC592134  Nemophila menziesii var. atomaria H. L. Mason 1928-3-24 4268 Marin Millerton , Millerton (Tomales Bay) Comment
  UC634735  Rhododendron occidentale H. L. Mason 1924-11-15 1135 Marin Mount Tamalpais, Rattlesnake Trail Mount Tamalpais; , Rattlesnake Trail Comment
  UC634768  Garrya elliptica H. L. Mason 1928-3-24 4263 Marin near Millerton (e side of Tomales Bay); Tomales Bay Comment
  UC634817  Garrya elliptica H. L. Mason 1925-2-1 1228 Marin Mount Tamalpais Comment
  UC634942  Montia fontana H. L. Mason 1926-3-6 2686 Marin near Lake Lagunitas Comment
  UC634978  Ranunculus orthorhynchus var. bloomeri H. L. Mason 1928-4-13 4314 Marin n San Rafael Comment
  UC635210  Allium lacunosum H. L. Mason 1928-4-28 4391 Marin Tiburon Peninsula Comment
  UC635446  Dendromecon rigida Herbert L. Mason 1925-4-12 1339 Marin Pipe line trail Mt. Tamalpais Comment
  UC635526  Ceanothus foliosus Herbert L. Mason 1925-4-12 1329 Marin Pipeline Trail Mt. Tamalpais Comment
  UC635632  Limnanthes douglasii subsp. douglasii H. L. Mason 1928-4-13 4310 Marin marshy meadow n San Rafael (near sloughs) Comment
  UC672297  Eurybia radulina H. L. Mason 1925-9-17 2228 Marin near Phoenix Lake Comment
  UC672464  Limosella acaulis Herbert L. Mason 1925-9-17 2229 Marin Phoenix Lake Comment
  UC672628  Polypodium calirhiza H. L. Mason 1924-11-15 1141 Marin Willow Camp Comment
  UC672656  Arctostaphylos nummularia H. L. Mason 1926-2-28 2677 Marin s slopes Mount Tamalpais Comment
  UC673453  Triphysaria versicolor subsp. faucibarbata H. L. Mason 1928-3-24 4267 Marin Millerton Tomales Bay (Tomales Bay) Comment
  UC866578  Thermopsis californica var. californica H. L. Mason 1917-4 Marin Mt. Tamalpais Comment
  UC912330  Lessingia micradenia var. micradenia Herbert L. Mason 1925-9-17 2233 Marin near Phoenix Lake Comment
  UC912581  Melica torreyana H. L. Mason 1928-4-28 4414 Marin Tiburon Peninsula Comment
  UC936136  Lemna minuscula Herbert L. Mason 1946-7-24 12926 Marin about 2.5 mi nw of Lake Ranch (e side of Drakes Bay); Drakes Bay 60 Comment
  UC971844  Limnanthes douglasii subsp. douglasii Charles T. Mason Jr. 1948-5-16 1201 Marin 12 mi w Inverness (on e side of Inverness-Pt. Reyes road) Comment
  UC971875  Limnanthes douglasii subsp. douglasii Charles T. Mason Jr. 1948-5-16 1197 Marin field 1/2 mi n Nicasio School (w side of Nicasio-Fairfax road) Comment
  UCD102241  Ribes divaricatum Herbert L. Mason 1946-7-24 12927 Marin Second lake south of Bear Valley on road to Lake Ranch. Comment
  UCD47150  Quercus parvula var. shrevei Herbert L. Mason 1925-10-4 2241 Marin In chaparral. Northside of Mt. Tamalpais, Marin County. Comment
  UCD47529  Quercus wislizeni H. L. Mason 1924-10-12 1111 Marin South slope of Mt. Tamalpais, Marin CO. Comment
  UCD66783  Glyceria declinata Herbert L. Mason; Malcolm A. Nobs 1949-4-29 739 Marin Marsh at head of Tomales Bay on Bear Creek above junction with Mill Creek. Comment
  CAS-BOT-BC130026  Fritillaria affinis H. L. Mason 1917-4-4 78 Marin Tocaloma Comment
  CAS-BOT-BC236924  Chloropyron maritimum subsp. palustre H. L. Mason 1930-6-1 5670 Marin Dillons Beach Comment
  CAS-BOT-BC365876  Soliva sessilis H. L. Mason 1928-4-13 4315 Marin Hills north of San Rafael Comment
  CAS-BOT-BC526458  Triteleia laxa H. L. Mason 1917-4-28 s.n. Marin Mill Valley Comment
  RSA268389  Ranunculus californicus H. L. Mason 1925-1-18 1181 Marin San Rafael to Forbes Comment
  SEINET10463902  Campanula californica Mason 1932-7-24 Mason 7116 Marin MARSH ON INVERNESS RIDGE Comment
  SEINET6670448  Limnanthes douglasii subsp. douglasii C. T. Mason 1948-3-14 1198 Marin 0.5 miles SE of junction of Petaluma-Point Reyes road with Fairfax-Nicasio Point Road Comment
  UC566842  Sanicula laciniata H. L. Mason 1925-1-18 1184 Marin San Rafael, Forbes Forbes; San Rafael, Forbes Comment
  UC570762  Callitriche marginata H. L. Mason 1932-3-1 6805 Marin West side of Olema to Bolinas Road Comment
  UC634885 Image available Dichondra donelliana H. L. Mason 1927-4-26 5217 Marin open hills on w side Bolinas Ridge; ; W side of Bolinas Ridge, Marin Co. Comment
  UCD136912  Polypodium scouleri Herbert L. Mason 1924-11-16 1150 Marin Willow Camp. Comment
  CAS-BOT-BC109254  Polygonum shastense Herbert L. Mason 1936-7-21 11259 Mariposa Sierra Nevada. Yosemite National Park. West of Tenaya Lake. 2499 Comment
  CAS-BOT-BC219029  Trifolium bolanderi Herbert L. Mason 1936-8-6 11518 Mariposa Peregoy Meadow, Glacier Point road 2255 Comment
  CAS-BOT-BC400755  Asarum lemmonii Herbert L. Mason 1936-5-15 11132 Mariposa East fork of the Chowchilla River, Chowchilla Mountains 1463 Comment
  CAS-BOT-BC63958  Antennaria argentea Herbert L. Mason 1936-7-12 11240 Mariposa Peregoy Meadow, Glacier Point road 2255 Comment
  POM256412  Bulbostylis capillaris H. L. Mason 1938-7-13 11946 Mariposa Yosemite National Park; Base of El Capitan, Yosemite Valley 1227 Comment
  SBBG29890  Streptanthus polygaloides H. L. Mason 1936-5-15 11118 Mariposa summit of rd between Coulterville and Bagby 701 Comment
  SEINET4170661 Image available Hemicarpha occidentalis H. L. Mason 1938-7-13 11945 Mariposa Base of El Capitan, Yosemite Valley; Yosemite National Park 1227 Comment
  UC1039503  Galium bifolium Herbert L. Mason 1938-7-15 11957 Mariposa Tamarack Flat Yosemite National Park Comment
  UC1056427  Lewisia nevadensis Herbert L. Mason 1936-7-12 11245 Mariposa Peregoy Meadow, Glacier Point Road Sierra Nevada, Yosemite National Park 2255 Comment
  UC1056437  Phleum alpinum Herbert L. Mason 1936-8-6 11506 Mariposa Yosemite National Park Glacier Point road Peregoy Meadow; Yosemite National Park, Glacier Point road, Peregoy Meadow 2255 Comment
  UC1056975  Lewisia triphylla Herbert L. Mason 1936-8-6 11512 Mariposa Peregoy Meadow, Glacier Point Road Sierra Nevada, Yosemite National Park, Peregoy Meadow 2255 Comment
  UC1076525  Physocarpus capitatus Herbert L. Mason 1936-7-11 11205 Mariposa Wawona Comment
  UC1081521  Saxifraga oregana Herbert L. Mason 1936-7-12 11236 Mariposa Glacier Point, Peregoy Meadow; Sierra Nevada, Yosemite National Park, Glacier Point, Perego 2255 Comment
  UC1081565  Ivesia unguiculata Herbert L. Mason 1936-7-12 11242 Mariposa Peregoy Meadow; Sierra Nevada, Yosemite National Park, Glacier Point 2255 Comment
  UC1083117  Polygonum convolvulus Herbert L. Mason 1936-7-12 12217 a Mariposa Merced River Yosemite National Park, Yosemite Valley Comment
  UC1083131  Helenium bigelovii Herbert L. Mason 1936-8-6 11515 Mariposa Glacier Point Road, Peregoy Meadow Yosemite National Park, Sierra Nevada, Peregoy Meadow 2255 Comment
  UC1093674  Castilleja tenuis Herbert L. Mason 1936-8-6 11505 Mariposa Peregoy Meadow; Glacier Point road 2255 Comment
  UC1111534  Trifolium longipes var. hansenii Herbert L. Mason 1936-8-6 11503 Mariposa Glacier Point Rd Sierra Nevada, Yosemite National Park, Paragoy Meadow 2255 Comment
  UC1178948  Perideridia parishii subsp. latifolia Herbert L. Mason 1939-7-5 12107 Mariposa Peregoy Meadow Sierra Nevada, Yosemite National Park (Glacier Point Road) 2255 Comment
  UC1191693  Dodecatheon jeffreyi Herbert L. Mason 1936-7-7 11151 Mariposa w Dark Hole (Research Reserve, Yosemite National Park); Sierra Nevada, Yosemite National Park, w of Dark Hole 2438 Comment
  UC570796  Euphorbia crenulata H. L. Mason 1928-6-28 4864 Mariposa Wawona Comment
  UC581524  Viola pinetorum subsp. pinetorum H. L. Mason 1923-7-28 666 Mariposa Porcupine Flat, Tioga Pass Road Porcupine Flat Comment
  UC588150  Myrica hartwegii Herbert L. Mason 1936-7-11 11208 Mariposa Big Creek near Wawona; Big Creek-a tributary of S. Fork Merced R. 1402 Comment
  UC632751  Bulbostylis capillaris H. L. Mason 1938-7-13 11946 Mariposa base of El Capitan Yosemite National Valley, Yosemite Valley 1226 Comment
  UC632846  Phacelia mutabilis H. L. Mason 1936-7-6 11148 Mariposa Hetch Hetchy Trail w Yosemite Creek; Yosemite National Park 2377 Comment
  UC665676  Claytonia megarhiza Herbert L. Mason 1935-7-29 9450 Mariposa Bernice Lake; Yosemite National Park Comment
  UC908150  Ipomopsis aggregata subsp. bridgesii H. L. Mason 1922-7-27 334 Mariposa hill s of Porcupine Flat Sierra Nevada, Yosemite National Park 2133 Comment
  UC908210  Gilia capitata subsp. pedemontana Charles Mason 1949-5-10 1288 a Mariposa along road 1 mi s Mormon Bar (between Mariposa and Raymond); s of Mormon Bar, btw Mariposa and Raymond Comment
  CAS-BOT-BC136155  Dodecatheon alpinum Herbert L. Mason 1922-7-26 332 Mariposa Porcupine Flat, east of Yosemite Creek, Tioga Pass Road - Yosemite National Park Comment
  CAS-BOT-BC219154  Ribes nevadense Herbert L. Mason 1931-7-7 11164 Mariposa Research Reserve, Hetch Hetchy Trail W of Dark Hole 2438 Comment
  CAS-BOT-BC295552  Agnorhiza bolanderi H. L. Mason 1936-3-21 11029 Mariposa Four miles north of Coulterville Comment
  CAS-BOT-BC50896  Ceanothus fresnensis Herbert L. Mason 1938-7-13 11950 Mariposa Sierra Nevada - Yosemite National Park - Wawona Road south of Chinquapin Comment
  RSA0036091  Streptanthus polygaloides Herbert L. Mason 1936-5-15 111118 Mariposa Summit of road between Coulterville and Bagby. 701 Comment
  SEINET10461220  Nemacladus interior Mason 1928-6-28 Mason 4866 Mariposa Wawona Comment
  SEINET10972182  Githopsis pulchella subsp. serpentinicola Mason 1936-5-15 Mason 11116 Mariposa Summit Road between Coulterville and Bagby Comment
  SEINET6670657  Limnanthes montana C. T. Mason 1949-5-9 1287 Mariposa 2 miles south of Mormon Bar, road from Mormon Bar to Raymond Comment
  SEINET7547924 Image available Bulbostylis capillaris H. L. Mason 1938-7-13 11946 Mariposa Base of El Capitan, Yosemite Valley. 1227 Comment
  UC1039991  Hypericum anagalloides Herbert L. Mason 1936-7-7 11158 Mariposa Hetch Hetchy Trail w. of Dark Hole (Research Reserve, Yosemite Nat'l Park); Sierra Nevada, Yosemite Nat'l Park, Research Reserve 2438 Comment
  UC1081520  Mitella breweri Herbert L. Mason 1936-7-7 11163 Mariposa Hetch Hetchy Trail w Dark Hole; Sierra Nevada, Yosemite National Park, Research Reserve 2438 Comment
  UC1081523  Lithophragma Herbert L. Mason 1936-3-21 11020 Mariposa 3 mi n Coulterville Comment
  UC1083200  Lupinus bicolor Herbert L. Mason 1938-4-17 11736 Mariposa ridge w Mormon Bar; Sierra Nevada foothills, w of Mormon Bar 548 Comment
  UC1083212  Staphylea bolanderi Herbert L. Mason 1936-5-16 11126 Mariposa summit of Bear Creek Grade Comment
  UC1093679  Lupinus bicolor Herbert L. Mason 1938-4-17 11735 Mariposa ridge w Mormon Bar; Sierra Nevada foothills, w of Mormon Bar 548 Comment
  UC1540455  Collinsia torreyi var. torreyi Herbert L. Mason 1936-7-15 11258 Mariposa Yosemite National Park, Tamarack Flat, old Big Oak Flat Road Tamarack Flat; Yosemite National Park, Tamarack Flat 1920 Comment
  UC629717  Streptanthus polygaloides H. L. Mason May 15 1936-May 16 1936 11118 Mariposa summit of road between Coulterville and Bagby 701 Comment
  UC632802  Githopsis pulchella subsp. serpentinicola H. L. Mason 1936-5-15 11116 Mariposa between Coulterville and Bagby (Summit Road) Comment
  UC632803  Lonicera conjugialis H. L. Mason 1936-7-6 11160 Mariposa w Dark Hole (Hetch Hetchy Trail, Research Reserve); Yosemite National Park 2438 Comment
  UC632859  Pseudobahia heermannii H. L. Mason 1936-3-21 11021 Mariposa 3 mi n of Coulterville Comment
  UC632869  Collinsia tinctoria H. L. Mason 1936-5-15 11121 Mariposa Summit of road from Coulterville to Bagby Comment
  UC963760  Linanthus bolanderi Herbert L. Mason 1938-4-17 11739 Mariposa near Mt. Buillion Comment
  UCD123683  Collinsia torreyi Herbert L. Mason 1936-7-15 11258 Mariposa Tamarack Flat, Old Big Oak Flat Road, Yosemite National Park. 1920 Comment
  UCSB37259  Allophyllum divaricatum Mason, H. 1938-7-7 Mariposa Brecca Ridge South of Swamp Lake; Yosemite Comment
  CAS-BOT-BC119358  Carex obnupta Herbert L. Mason 1946-5-18 12761 Mendocino Sphagnum bog E of Fort Bragg. Comment
  CAS-BOT-BC144024  Horkelia marinensis H. L. Mason 1930-8-1 5741 Mendocino Fort Bragg Comment
  CAS-BOT-BC266041  Eriogonum latifolium H. L. Mason 1932-8-27 7169 Mendocino Point Arena Comment
  CAS-BOT-BC36078  Lithocarpus densiflorus var. densiflorus Herbert L. Mason 1934-9-3 s.n. Mendocino White Plains, three miles east of Mendocino City Comment
  CAS-BOT-BC45858  Limnanthes bakeri Charles T. Mason, Jr. 1948-5-8 1181 Mendocino 0.6 mi. N. Willits High School on east side of US Highway 101. 426 Comment
  CAS-BOT-BC78399  Pinus contorta subsp. contorta H. L. Mason; N. T. Mirov; Palmer Stockwell 1948-6-9 2018 Mendocino Two miles east of Mendocino City Comment
  CAS-BOT-BC91181  Umbellularia californica H. L. Mason 1925-12-30 2558 Mendocino Hopland, Cloverdale Grade. Comment
  POM264566  Pinus contorta var. contorta H. L. Mason 1934-9-3 8146 Mendocino White Plains, 3 miles east of Mendocino City Comment
  POM311141  Limnanthes bakeri C. T. Mason 1948-5-8 1181 Mendocino 0.6 miles N of Willits High School on east side of Hwy 101 427 Comment
  POM312973  Sparganium angustifolium subsp. emersum H. L. Mason 1928-10-21 5003 Mendocino Pudding Creek, Fort Bragg. Comment
  UC1039523  Galium porrigens var. porrigens H. L. Mason 1929-8-24 5390 Mendocino Pudding Creek Slough Fort Bragg Comment
  UC1076322  Arceuthobium littorum Herbert L. Mason June, 1930 5639 Mendocino Fort Bragg Comment
  UC1083112  Phacelia bolanderi Herbert L. Mason 1940-5-22 12296 Mendocino Navarro River Comment
  UC1083306  Pseudotsuga menziesii var. menziesii Herbert L. Mason 1928-8-25 4921 Mendocino mesa 1 mi e of mouth of Noyo River Noyo River Comment
  UC1083307  Pinus contorta subsp. bolanderi Herbert L. Mason 1928-8-25 4918 Mendocino Noyo Comment
  UC1083322  Torreya californica Herbert L. Mason 1925-12-30 2559 Mendocino Hopland, Cloverdale Cloverdale, Hopland Comment
  UC1083387  Pinus contorta subsp. bolanderi Herbert L. Mason 1928-8-25 4919 Mendocino Noyo Comment
  UC1093913  Symphyotrichum chilense Herbert L. Mason 1932-8-26 7151 Mendocino 1.5 mi n Albion Comment
  UC1099924  Sparganium emersum var. emersum Herbert L. Mason 1928-10-21 5003 Mendocino Pudding Creek; Fort Bragg Comment
  UC1101417  Viola palustris Herbert L. Mason 1946-5-19 12778 Mendocino n of Fort Bragg (Cleone Lake); Cleone Lake Comment
  UC1101418  Viola adunca Herbert L. Mason 1946-5-19 12799 Mendocino n of Fort Bragg; Cleone Lake Comment
  UC1178864  Triphysaria versicolor subsp. versicolor Herbert L. Mason 1940-5-22 12304 Mendocino headland n Pudding Creek Slough ((near Fort Bragg)); headland n of Pudding Creek Slough Comment
  UC1178878  Clarkia davyi Herbert L. Mason 1940-5-22 12306 Mendocino headland n Pudding Creek Slough (near Fort Bragg) Comment
  UC1179032  Juncus bolanderi Herbert L. Mason 1929-8-24 5394 Mendocino Pudding Creek Slough Fort Bragg Comment
  UC1212232  Pinus contorta subsp. bolanderi H. L. Mason, N. T. Mirov, and Palmer Stockwell 1948-6-9 2016 Mendocino 2 mi e Mendocino City Comment
  UC555283 Image available Horkelia marinensis H. L. Mason 1929-9-1 5406 Mendocino 3 mi n Fort Bragg Comment
  UC570763  Callitriche marginata H. L. Mason Jun 1930 5641 Mendocino 3 miles north of Fort Bragg Comment
  UC571030  Vaccinium ovatum H. L. Mason 1932-8-26 7167 Mendocino Mendocino City Comment
  UC571038  Rhododendron macrophyllum H. L. Mason June 1930 5632 Mendocino Fort Bragg Comment
  UC571084  Arctostaphylos manzanita subsp. manzanita H. L. Mason 1925-12-30 2560 Mendocino w slope of range between Hopland and Lakeport; Mayacama Range Comment
  UC571214  Arctostaphylos nummularia H. L. Mason 1932-8-26 7165 Mendocino Pine Barrens Mendocino City Comment
  UC571215  Arctostaphylos nummularia H. L. Mason 1932-8-26 7167 Mendocino Pine Barrens Mendocino Comment
  UC634706  Clarkia davyi H. L. Mason June 1930 5615 Mendocino Cloverdale to Fort Bragg; Navarro River Comment
  UC634763  Garrya elliptica H. L. Mason 1929-9-1 5403 Mendocino 3 mi n Fort Bragg Comment
  UC634874  Mentha canadensis H. L. Mason 1929-8-24 5399 Mendocino Pudding Creek Slough near Fort Bragg; near Fort Bragg, Pudding Creek Slough Comment
  UC635099  Ranunculus occidentalis H. L. Mason 1930-6-1 5614 Mendocino Cloverdale to Fort Bragg (via river); Navarro River Comment
  UC635490  Claytonia sibirica H. L. Mason 1928-10-21 5004 Mendocino n of Fort Bragg (Pudding Creek); Pudding Creek Comment
  UC635572  Pyrola picta Herbert L. Mason 1930-6-1 Mendocino Fort Bragg Comment
  UC635697  Stachys chamissonis H. L. Mason 1928-10-21 5005 Mendocino near Fort Bragg; Pudding Creek Comment
  UC672061  Veratrum fimbriatum Herbert L. Mason 1928-8-25 4929 Mendocino mesa 1 mi e mouth of Noyo River; Noyo Comment
  UC672561  Antirrhinum vexillocalyculatum subsp. breweri H. L. Mason 1928-8-26 4933 Mendocino slough of Pudding Creek Comment
  UC672602  Sequoia sempervirens H. L. Mason 1928-8-26 4941 Mendocino slough of Pudding Creek Pudding Creek Comment
  UC672610  Myrica californica Herbert L. Mason 1928-8-25 4926 Mendocino 1 mi. e. of mouth of Noyo R. Noyo Comment
  UC775195  Goodyera oblongifolia Herbert L. Mason 1940-10-13 Mendocino 2 mi n of Fort Bragg (Little Valley); Little Valley Comment
  UC908588  Gilia tricolor subsp. tricolor Herbert L. Mason 1929-5-9 5277 Mendocino 5 mi w Laytonville; w of Laytonville Comment
  UC908994  Gilia millefoliata Herbert L. Mason 1946-5-19 12784 Mendocino n Fort Bragg (Cleone Lake); n of Fort Bragg, Cleone Lake Comment
  UC912317  Baccharis glutinosa Herbert L. Mason 1929-8-24 5393 Mendocino Pudding Creek slough Fort Bragg Comment
  UC912659  Poa douglasii Herbert L. Mason 1929-9-1 5404 Mendocino 4 mi n Fort Bragg Comment
  UC962110  Gilia capitata subsp. pacifica H. L. Mason June 1930 5626 Mendocino Fort Bragg Comment
  UC1028681  Orobanche uniflora subsp. occidentalis Herbert L. Mason June 1930 5612 Mendocino Between Cloverdale and Yorkville Post Office. Comment
  UCD138202  Triglochin scilloides Herbert L. Mason 1948-6-10 13757 Mendocino Highway 1, 3 miles south of Gualala. Comment
  CAS-BOT-BC113408  Eleocharis flavescens var. flavescens Herbert L. Mason; Stanley Galen [S. Galen] Smith 1948-8-19 8376 Merced San Joaquin River, bridge below Snelling. Comment
  CAS-BOT-BC113608  Eleocharis acicularis var. occidentalis Herbert L. Mason; Stanley Galen [S. Galen] Smith 1948-8-12 8329 Merced Three miles east of Gustine, Gustine Gun Club. Comment
  CAS-BOT-BC246154  Chloropyron molle subsp. hispidum Herbert L. Mason 1948-6-29 13583 Merced 5 miles north of Volta Comment
  CAS-BOT-BC412702  Hollisteria lanata Herbert Mason 1940-5-4 12266 Merced Ortigalita Canyon, 2 miles north east of Ortigalita Peak 304 Comment
  JEPS23104  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Herbert L. Mason 1940-5-4 12270 Merced w of Ortegalita Creek (Piedra Azul Creek); Inner South Coast Ranges, Piedra Azul Creek Comment
  SBBG29099  Hollisteria lanata H. L. Mason 1940-5-4 12266 Merced Ortigalita Cyn, 2 mi NE of Ortigalita Peak 304 Comment
  UC1099816  Potamogeton pectinatus Herbert L. Mason, S. Galen Smith 1948-7-27 8219 Merced 1/4 mi s of Ingomar Comment
  UC1100034  Potamogeton pusillus var. pusillus Herbert L. Mason 1948-6-29 13584 Merced 2 mi n Volta; San Joaquin Valley Comment
  UC1100035  Potamogeton pusillus var. pusillus Herbert L. Mason 1948-6-10 13590 Merced 3 mi e of Los Banos (Delta Road); San Joaquin Valley Comment
  UC1100039  Potamogeton pusillus var. pusillus Herbert L. Mason, S. Galen Smith 1948-8-19 8363 Merced about 2 mi ne of Merced (on Snelling highway) Comment
  UC1100042  Potamogeton pusillus var. pusillus Herbert L. Mason, S. Galen Smith 1948-7-27 8218 Merced 1/4 mi s of Ingomar Comment
  UC1100057  Potamogeton nodosus Herbert L. Mason, S. Galen Smith 1948-8-19 8361 Merced about 2 mi ne of Merced (on Snelling highway) Comment
  UC1100058  Potamogeton nodosus Herbert L. Mason, S. Galen Smith 1948-8-19 8360 Merced about 2 mi ne of Merced (on Snelling Highway) Comment
  UC1100191  Chloris gayana Herbert L. Mason and S. Galen Smith 1948-7-27 8226 Merced on Delta road n Los Banos (w of salt slough) Comment
  UC1100472  Carex praegracilis Herbert L. Mason, S. Galen Smith 1948-8-9 8297 Merced about 12 mi w Los Banons Comment
  UC1100520  Cyperus eragrostis Herbert L. Mason and S. Galen Smith 1948-8-11 8325 Merced ca. 5 mi. w. Merced; San Joaquin Valley, Black Rascal Creek Comment
  UC1100717  Eleocharis quadrangulata Herbert L. Mason, S. Galen Smith 1948-8-12 8330 Merced 3 mi E of Gustine (Gustine Gun Club) Comment
  UC1101235  Wolffiella lingulata Herbert L. Mason and S. Galen Smith 1948-7-28 8227 Merced 2 mi n Los Banos; San Joaquin Valley, Los Banos Wildlife Refuge Comment
  UC1101340  Myosurus minimus Herbert L. Mason 1952-5-18 14294 Merced Santa Fe Grade e of Los Banos; Santa Fe Grade Comment
  UC1101343  Myosurus minimus Herbert L. Mason 1952-5-18 14295 Merced Santa Fe Grade e of Los Banos; Santa Fe Grade Comment
  UC1178833  Ephedra californica Herbert L. Mason 1940-5-3 12260 Merced 2 mi ne Ortigalita Peak; South Coast Ranges, Ortigalita Canyon 304 Comment
  UC1178881  Parvisedum pumilum Herbert L. Mason 1940-5-5 12277 Merced s of North Fork of Los Banos Creek (North Twin Peak (Diabloe Range), Inner South Coast Range); Inner South Coast Range, North Twin Peak Comment
  UC1178909  Parvisedum pentandrum Herbert L. Mason 1940-5-5 12278 Merced Inner South Coast Range, North Twin Peak (Diablo Range), North Fork of Los Banos Creek North Fork of Los Banos Creek; Inner South Coast Range, North Twin Peak Comment
  UC1191359  Atriplex lentiformis Herbert L. Mason and S. Galen Smith 1948-8-10 8316 Merced Mendota Pool San Joaquin Valley, , Firebaugh canal (at entrance of Firebaugh canal, west side, Merced County) Comment
  UC1191387  Amaranthus albus Herbert L. Mason and S. Galen Smith 1948-7-29 8248 Merced e of Los Banos (at end of Turner Island Road); Turner Island Comment
  UC1191542  Lythrum hyssopifolia Herbert L. Mason, S. Galen Smith 1948-7-29 8251 Merced e of Los Banos (Delta Road just n of Salt Slough); Delta Road Comment
  UC1191705  Epilobium ciliatum subsp. ciliatum Herbert L. Mason and S. Galen Smith 1948-8-9 8279 Merced about 10 mi w summit of Pacheco Pass; Pacheco Creek Comment
  UC1191757  Ludwigia palustris Herbert L. Mason and S. Galen Smith 1948-8-19 8371 Merced bridge below Snelling (San Joaquin R.); San Joaquin R. Comment
  UC907875  Gilia capitata subsp. staminea Herbert L. Mason 1943-4-15 12566 Merced 1 mi s Hilmer; s of Hilmer Comment
  UC935713  Sagittaria longiloba Herbert L. Mason and S. Galen Smith 1948-7-27 8224 Merced on Delta Road n Los Banos (w of salt slough); n of Los Banos Comment
  UC935731  Sagittaria montevidensis subsp. calycina Herbert L. Mason 1948-6-29 13579 Merced 5 mi n Volta; San Joaquin Valley Comment
  UC935769  Sagittaria latifolia Herbert L. Mason and S. Galen Smith 1948-8-9 8299 Merced 1 mi w Los Banos; w of Los Banos Comment
  CAS-BOT-BC172661  Atriplex lentiformis Herbert L. Mason; S. Galen Smith 1948-8-10 8317 Merced Mendota Pool, at entrance of Firebaugh canal, west side Comment
  CAS-BOT-BC400799  Hypericum anagalloides Herbert L. Mason; S. Galen Smith 1948-8-19 8381 Merced Marsh, 1 mile west of Snelling Comment
  CAS-BOT-BC456183  Najas guadalupensis Herbert L. Mason; S. Galen Smith 1948-7-30 8254 Merced About 7 miles northeast of junction of Merced and San Joaquin Rivers Comment
  LA35819  Eryngium racemosum Herbert L. Mason; S. Galen Smith 1948-8-17 8338 Merced about 2 mi. E of Westley, near Grayson Comment
  POM312615  Navarretia prostrata H. L. Mason 1952-5-18 14292 Merced Santa Fe Grade east of Los Banos, San Joaquin Valley Comment
  POM312906  Polygonum coccineum H. L. Mason, S. Galen Smith 1948-8-10 8307 Merced Just W of S Dos Palos. Comment
  POM312982  Najas guadalupensis H. L. Mason, S. Galen Smith 1948-7-30 8254 Merced About 7 miles northeast of junction of Merced and San Joaquin Rivers Comment
  POM313107  Cyperus squarrosus H. L. Mason, S. Galen Smith 1948-7-29 8247 Merced Salt slough, at end of Turner Island road, east of Los Banos Comment
  RSA435685  Limnanthes douglasii subsp. rosea Charles T. Mason Jr. 1949-3-31 1246 Merced 2 miles southeast of LeGrand along the road to Raymond. Comment
  SACT000741  Chloris virgata Herbert Mason, S. Smith 1948-7-27 Merced Moist ground by ditch. Just south of Newman. Comment
  SEINET190370  Lomatium macrocarpum Herbert L. Mason 1940-5-4 286 Merced Piedra Azul Creek norhtwest of Ortigalita Peak Inner South Coast Ranges 305 Comment
  SEINET4170485 Image available Eleocharis rostellata Herbert L. Mason, S. Galen Smith 1948-8-12 8330 Merced Gustine Gun Club , 3 miles east of Gustine Comment
  UCD107690  Datisca glomerata Herbert L. Mason; S. Galen Smith 1948-8-9 8282 Merced Pacheco Creek, about 10 miles west of summit of Pacheco Pass. Comment
  UCD107691  Datisca glomerata Herbert L. Mason; S. Galen Smith 1948-8-9 8283 Merced Pacheco Creek, about 10 miles west of summit of Pacheco Pass. Comment
  UCD123830  Kickxia spuria Herbert L. Mason; S. Galen Smith 1948-8-19 8365 Merced about 2 miles northeast of Merced on Snelling highway. Comment
  UCD138159  Najas guadalupensis subsp. guadalupensis Herbert L. Mason; S. Galen Smith 1948-7-30 8254 Merced about 7 miles northeast of junction of Merced and San Joaquin Rivers. Comment
  UCD138286  Potamogeton pusillus Herbert L. Mason 1948-6-29 13581 Merced 5 miles north of Volta. Comment
  UCD141108  Cyperus squarrosus Herbert L. Mason; S. Galen Smith 1948-8-19 8377 Merced San Joaquin River, bridge below Snelling. Comment
  UCD141202  Cyperus niger Herbert L. Mason; S. Galen Smith 1948-8-12 8331 Merced Gustine Gun Club, 3 miles east of Gustine. Comment
  UCD141227  Lipocarpha micrantha Herbert L. Mason; S. Galen Smith 1948-8-19 8375 Merced San Joaquin River, bridge below Snelling. Comment
  UCD88708  Panicum acuminatum var. fasciculatum Herbert L. Mason; S. Galen Smith 1948-8-19 8372 Merced Merced River, bridge below Snelling. Comment
  UCD97820  Atriplex serenana Herbert L. Mason; S. Galen Smith 1948-7-29 8232 Merced North Mercy Springs Road, about 4 miles north of Los Banos. Comment
  CAS-BOT-BC119034  Carex pellita Herbert L. Mason; Verne Grant 1947-7-12 13423 Modoc Irrigation ditch near S end of W side road, along RR tracks, Pit River Valley, S of Alturas. Comment
  CAS-BOT-BC15159  Symphyotrichum frondosum Herbert Louis Mason 1947-8-9 13479 Modoc East side of Fairchild Swamp, N of Alturas. Comment
  CAS-BOT-BC15171  Symphyotrichum spathulatum var. spathulatum Herbert Louis Mason 1947-8-9 13480 Modoc East side of Fairchild Swamp, N of Alturas. Comment
  CAS-BOT-BC211342  Rumex lacustris Herbert Louis Mason; Verne Grant 1947-7-10 13336 Modoc Dorris Reservoir, 2 mi E of Alturas. Comment
  CAS-BOT-BC218107  Polygonum aviculare Herbert Louis Mason; Verne Grant 1947-7-18 8043 Modoc Eastside Canal, 5 mi N of Bayley's bridge, S of Alturas. Comment
  CAS-BOT-BC242269  Potamogeton zosteriformis Herbert Louis Mason; Verne Grant 1947-7-12 13384 Modoc Jones Lane, off Hwy 395, several miles S of Alturas. Comment
  CAS-BOT-BC242375  Carex atherodes Herbert Louis Mason; Verne Grant 1947-7-12 13424 Modoc Near S end of west side road, along railroad tracks, Pit River Valley, S of Alturas. Comment
  CAS-BOT-BC245129  Schoenoplectus americanus Herbert Louis Mason 1947-8-11 13491 Modoc Hwy 81, W margin of Lower Lake, near boundary with Lassen County. Comment
  CAS-BOT-BC245221  Alisma gramineum Herbert Louis Mason 1955-8-13 14653 A Modoc SW side of Goose Lake. Comment
  CAS-BOT-BC247593  Phleum pratense Herbert Louis Mason 1947-7-10 13358 Modoc 0.25 mi. W of Doris Reservoir, 2 mi. E of Alturas. Comment
  CAS-BOT-BC95525  Chenopodium hians Herbert Louis Mason; Verne Grant 1947-7-10 13345 Modoc Dorris Reservoir, 2 mi E of Alturas. Comment
  NY850321  Lythrum tribracteatum H. L. Mason 1947-7-10 13324 Modoc Dorris Reservoir, 2 miles east of Alturas Comment
  POM313002  Potamogeton epihydrus H. L. Mason, Verne Grant 1947-7-12 13397 Modoc Irrigation ditch by Jones Lane, off Hwy 395, several miles S of Alturas. Comment
  POM313044  Sagittaria latifolia H. L. Mason 1947-7-12 13413 Modoc Irrigation ditch near S end of road on west side of the Pit River Valley. Comment
  POM313149  Phleum pratense H. L. Mason, Verne Grant 1947-7-10 13358 Modoc 1/4 mile west of Dorris Reservoir; 2 miles east of Alturas Comment
  SACT001764  Phragmites communis Herbert Mason 1947-8-11 Modoc Lassen County line. Comment
  SEINET6426068 Image available Bergia texana Herbert L. Mason 1947-1 13462 Modoc Southwest margin of Big Sage Reservoir, northwest of Alturas Comment
  UC1051434  Eryngium articulatum Herbert L. Mason 1955-8-14 14650 Modoc s. end Goose Lake Comment
  UC1100412  Phleum pratense Herbert L. Mason 1947-8-13 13537 Modoc n Canby (ne side of F reservoir); ne side of F reservoir Comment
  UC1100433  Carex atherodes Herbert L. Mason, Verne Grant 1947-7-12 13424 Modoc s Alturas (irrigation ditch near s end of west side road along railroad tracks); Pit River Valley Comment
  UC1100465  Carex simulata Herbert L. Mason 1947-8-13 13538 a Modoc n Canby (ne side of F reservoir) Comment
  UC1100612  Eleocharis bella Herbert L. Mason 1947-8-13 13526 Modoc N of Canby (NE side of F reservoir) Comment
  UC1100876  Scirpus americanus Herbert L. Mason 1947-8-11 13499 Modoc on Highway 81 w margin Lower Lake (near boundary between Lassen and Modoc counties); w margin Lower Lake Comment
  UC1100956  Juncus mexicanus Herbert L. Mason and Verne Grant 1947-7-12 13426 Modoc n of Likely (s loop of w side road) Comment
  UC1100957  Juncus balticus Herbert L. Mason and Verne Grant 1947-7-10 13356 Modoc 0.25 mi w Dorris Reservoir (2 mi e of Alturas) Comment
  UC1101046  Juncus bufonius var. congestus Herbert L. Mason 1947-8-13 13532 Modoc n of Canby (ne side of F reservoir) Comment
  UC1101125  Polygonum persicaria Herbert L. Mason 1947-8-11 13498 Modoc Lower Lake; Hwy 81, on w margin, near boundary between Lassen and Modoc Cos. Comment
  UC1101423  Limosella acaulis Herbert L. Mason 1947-8-13 13529 Modoc ne side F Reservoir (n of Canby); ne side of F reservoir Comment
  UC1101500  Myriophyllum sibiricum Herbert L. Mason and Verne Grant 1947-8-13 13531 Modoc n.e. side of F reservoir n. of Canby Comment
  UC1101516  Callitriche verna Herbert L. Mason and Verne Grant 1947-7-12 13428 Modoc n of Likely (s loop of w side of road) Comment
  UC1101517  Callitriche verna Herbert L. Mason and Verne Grant 1947-7-12 13383 Modoc several mi s Alturas (by Jones' Lane, off Highway 395) Comment
  UC1101518  Callitriche verna Herbert L. Mason and Verne Grant 1947-7-11 13366 Modoc s of Alturas (by Jones' Lane, off Highway 395) Comment
  UC1101612  Azolla filiculoides Herbert L. Mason 1947-8-12 13503 Modoc juction of N and S forks of Pit River Altura Comment
  UC1191344  Chenopodium glaucum Herbert L. Mason 1947-8-12 13507 Modoc junction of North and South Forks of Pit River Alturas Comment
  UC1191370  Atriplex rosea Herbert L. Mason 1947-8-9 13477 Modoc e side Fairchild Swamp (n of Alturas); e side Fairchild Swamp, n of Alturas Comment
  UC1191491  Potentilla rivalis Herbert L. Mason 1947-8-9 13476 Modoc n Alturas (e side of Fairchild Swamp); , n of Alturas Comment
  UC1191590  Mentzelia dispersa Herbert L. Mason, Verne Grant 1947-7-9 13317 Modoc Summit of Warner Range, Cedar Pass 1920 Comment
  UC1191624  Gayophytum racemosum Herbert L. Mason and Verne Grant 1947-7-9 13310 a Modoc Cedar Pass Warner Range (summit of Range) 1920 Comment
  UC1191639  Convolvulus arvensis Herbert L. Mason and Verne Grant 1947-7-10 13338 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  UC1191652  Plagiobothrys mollis Herbert L. Mason, Verne Grant 1947-7-12 13395 Modoc irrigation ditch by Jones' Lane (off Highway 395, several mi s of Alturas) Comment
  UC1191734  Epilobium brachycarpum Herbert L. Mason and Verne Grant 1947-7-10 13334 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  UC1191735  Epilobium ciliatum subsp. ciliatum Herbert L. Mason and Verne Grant 1947-7-12 13390 Modoc irrigation ditch by Jones' Lane (off Hwy 395, several mi s of Alturas) Comment
  UC1191747  Taraxia tanacetifolia Herbert L. Mason 1947-8-13 13523 Modoc n Canby (ne side of reservoir); F Reservoir Comment
  UC1191805  Pogogyne floribunda Herbert L. Mason 1947-8-9 13474 Modoc east side of Fairchild Swamp north of Alturas. Comment
  UC1192061 Image available Verbena hastata Herbert L. Mason 1947-8-11 13502 Modoc n Modoc-Lassen County line (on Hwy 81) Comment
  UC1192190  Bidens cernua Herbert L. Mason and Verne Grant 1947-7-12 13431 Modoc n of Likely (s loop of w side road) Comment
  UC1192205  Symphyotrichum spathulatum Herbert L. Mason 1947-8-9 13480 Modoc n of, (Fairchild Swamp) Alturas; Fairchild Swamp Comment
  UC935723  Sagittaria cuneata Herbert L. Mason and Verne Grant 1947-7-11 13381 Modoc irrigation ditch on road from Likely to Jess Valley ca 1 mi e Likely; Irrigation ditch on road from Likely to Jess Valley Comment
  UC935737  Sagittaria cuneata Herbert L. Mason and Verne Grant 1947-7-11 13368 Modoc irrigation ditch by Jones Lane off Highway 395 s Alturas Comment
  UC985654  Alisma plantago-aquatica Herbert L. Mason 1947-7-11 13377 Modoc irrigation ditch near west side road (s of Alturas); South Fork of Pit River Comment
  UCD120535  Phacelia humilis var. humilis Herbert L. Mason 1948-7-18 13620 Modoc Cedar Pass, Warner Mountains. Comment
  UCD135274  Psilocarphus brevissimus Herbert L. Mason; Verne Grant 1947-7-10 13328 Modoc Dorris Reservoir, 2 miles east of Alturas. Comment
  UCD142822  Euphorbia serpillifolia Herbert L. Mason; Verne Grant 1947-7-10 13325 Modoc Dorris Reservoir, 2 miles east of Alturas. Comment
  UCD85760  Hordeum jubatum Herbert L. Mason 1947-8-9 13478 Modoc E side of Fairchild Swamp, N of Alturas. Comment
  UCD89843  Phragmites australis Herbert L. Mason 1947-8-11 13501 Modoc Highway 81, north of Modoc-Lassen County line. Comment
  CAS-BOT-BC242647  Stuckenia striata Herbert L. Mason 1947-8-15 13540 Modoc Mouth of Crane Creek on Willow Ranch, east side of Goose Lake Comment
  CAS-BOT-BC247569  Muhlenbergia asperifolia Herbert Louis Mason 1947-8-15 13542 Modoc Mouth of Crane Creek on Willow Ranch. Comment
  CAS-BOT-BC433491  Rumex fueginus Herbert L. Mason; Verne Grant 1947-7-11 13362 Modoc On Highway 395, 5 miles south of Alturas. Comment
  CAS-BOT-BC58753  Plagiobothrys scouleri Herbert Louis Mason; Verne Grant 1947-7-12 13408 Modoc W side of South Fork of Pit River Valley, SW of Alturas. Comment
  CAS-BOT-BC58759  Plagiobothrys scouleri Herbert Louis Mason; Verne Grant 1947-7-12 13408 Modoc W side of South Fork of Pit River Valley, SW of Alturas. Comment
  POM312323  Bidens cernua H. L. Mason, Verne Grant 1947-7-12 13431 Modoc South loop of west side road, north of Likely Comment
  POM312372  Downingia bicornuta H. L. Mason, Verne Grant 1947-7-12 13412 Modoc West side of Pit River Valley S of Alturas. Comment
  POM312514  Psilocarphus brevissimus H. L. Mason 1947-8-12 13513 Modoc Junction of North and South forks of Pitt River outside of Alturas. Comment
  POM312519  Madia glomerata H. L. Mason 1947-8-11 13496 Modoc On Highway 81, west margin of Lower Lake, near boundary between Lassen and Modoc counties. Comment
  POM313027  Triglochin maritima H. L. Mason, Verne Grant 1947-7-12 13438 Modoc Corporation Ranch Headquarters, north of Likely. Comment
  POM313207  Muhlenbergia asperifolia H. L. Mason 1947-8-15 13542 Modoc Mouth of Crane Creek on Willow Ranch, east side of Goose Lake. Comment
Read comments Aug 21 2013
  RSA125790  Polygonum polygaloides subsp. confertiflorum H. L. Mason 1957-6-21 14706 Modoc W side of Said Valley Comment
  SEINET199876  Scirpus acutus H. L. Mason, V Grant 1947-7-11 13379 Modoc Along S. fork of Pit River downstream from Jess Valley by Forest Service camp site Comment
  SEINET7297281 Image available Phragmites australis Herbert L. Mason 1947-1 13501 Modoc Highway 81, north of Modoc- Lassen County Line Comment
  UC1051435  Ranunculus cymbalaria var. saximontanus Herbert L. Mason 1955-8-14 14661 Modoc n Rim Rock Valley Reservoir; Drift Fence Reservoir Comment
  UC1051442  Castilleja linariifolia Herbert L. Mason 1955-8-14 14654 Modoc sw side Goose Lake (at Fletcher's Place) Comment
  UC1093650  Pedicularis semibarbata Herbert L. Mason 1957-7-6 14722 Modoc divide between Davis Creek and Mill Creek; Warner Mountains, Benton Meadows Comment
  UC1099947  Triglochin maritima Herbert L. Mason, Malcolm A. Nobs, and S. Galen Smith 1949-5-29 767 Modoc e Kelly Hot Springs Comment
  UC1099957  Triglochin maritima Herbert L. Mason, Verne Grant 1947-7-12 13438 Modoc n Likely (Corporation Ranch Headquarters); , n of Likely Comment
  UC1100090  Potamogeton zosteriformis Herbert L. Mason 1947-8-12 13515 Modoc near Alturas (s of Opahwash Butte); Pit River Comment
  UC1100157  Alisma plantago-aquatica Herbert L. Mason 1955-8-13 14653 C Modoc s end Goose Lake Comment
  UC1100158  Alisma plantago-aquatica Herbert L. Mason 1955-8-13 14651 B Modoc s end Goose Lake Comment
  UC1101142  Polygonum lapathifolium Herbert L. Mason 1947-8-8 13466 Modoc nw Alturas (sw margin of reservoir); Big Sage Reservoir Comment
  UC1111535  Polygonum polygaloides subsp. confertiflorum H. L. Mason 1957-6-21 14706 Modoc Said Valley; w side Comment
  UC1178895  Olsynium douglasii var. douglasii Herbert L. Mason 1949-4-16 13993 Modoc mesa e Alturas Comment
  UC1191272  Rumex maritimus Herbert L. Mason and Verne Grant 1947-7-11 13362 Modoc 5 mi s Alturas (on Highway 395) Comment
  UC1191485  Trifolium wormskioldii Herbert L. Mason and Verne Grant 1947-7-12 13437 Modoc n Likely (Corporation Ranch Headquarters) Comment
  UC1191635  Navarretia linearifolia subsp. linearifolia Herbert L. Mason 1947-8-8 13455 Modoc nw Alturas (Ingalls Swamp); n of Big Sage Reservoir, Ingalls Swamp Comment
  UC1191839  Plagiobothrys cognatus Herbert L. Mason and Verne Grant 1947-7-12 13408 Modoc sw of Alturas (w side of the South Fork of Pit River Valley); South Fork of Pit River Valley Comment
  UC1191965  Hippuris vulgaris Herbert L. Mason 1947-8-15 13561 Modoc spring leading into w. side Goose Lake (11 mi. from Davis Creek) Comment
  UC1192009  Galium trifidum Herbert L. Mason and Verne Grant 1947-7-12 13434 Modoc n Likeley; Corporation Ranch Headquarters Comment
  UC1713244  Polygonum polygaloides subsp. kelloggii Herbert L. Mason 1957-7-6 14725 Modoc Rim Rock, west of Goose Lake Comment
  UC1713245  Polygonum polygaloides subsp. confertiflorum Herbert L. Mason 1957-7-6 14725 Modoc Rim Rock, west of Goose Lake Comment
  UCD124909  Galeopsis tetrahit Herbert L. Mason; Verne Grant 1947-7-12 13417 Modoc Near south end of west side road, Pit River Valley, south of Alturas. Comment
  UCD134271  Madia glomerata Herbert L. Mason 1947-8-9 13483 Modoc on east side of Fairchild Swamp, north of Alturas. Comment
  UCD138008  Sagittaria cuneata Herbert L. Mason 1947-8-12 13506 Modoc Junction of North and South forks of Pit River, Alturas. Comment
  UCD138287  Potamogeton pusillus Herbert L. Mason; Verne Grant 1947-7-11 13382 Modoc on road from Likely to Jess Valley, ca. 1 mile east of Likely. Comment
  UCD138321  Stuckenia striata Herbert L. Mason 1947-8-15 13540 Modoc Mouth of Crane Creek on Willow Ranch, east side of Goose Lake. Comment
  UCD98317  Chenopodium murale Herbert L. Mason 1947-8-15 13555 Modoc Mouth of Crane Creek on Willow Ranch, east side of Goose Lake. Comment
  CAS-BOT-BC267156  Potamogeton foliosus Herbert L. Mason 1948-9-4 13634 Mono Rush Creek, Mono Lake Comment
  CAS-BOT-BC452171  Potamogeton gramineus Herbert L. Mason 1948-9-5 13671 Mono Junction of Highways 108 and 395 Comment
  SBBG64399  Aliciella leptomeria H. L. Mason 1941-7-13 12485 Mono N of Mono Lake along rd to Bodie Comment
  SEINET204391  Gentianopsis holopetala C. T. Mason 1953-8-18 1510 Mono Along Slate Creek at Carnegie Institution Timberline Station. 3048 Comment
  UC1025280  Draba oligosperma var. oligosperma Herbert L. Mason 1936-7-28 11404 A Mono Dana Plateau Sierra Nevada, Dana Plateau 3657 Comment
  UC1025281  Draba densifolia Herbert L. Mason 1936-7-28 11404 B Mono Dana Plateau Sierra Nevada, Dana Plateau 3657 Comment
  UC1056438  Saxifraga odontoloma Herbert L. Mason 1937-7-30 Mono above Lake Mary Comment
  UC1056968  Polygonum polygaloides subsp. kelloggii Herbert L. Mason 1936-7-29 11441 Mono cirque below Conness Glacier (w of Saddlebag Lake) 3200 Comment
  UC1081531  Eucephalus breweri Herbert L. Mason 1936-7-29 11432 Mono n side of, (Conness Glacier) Mount Conness 3657 Comment
Read comments Mar 5 2007
  UC1081533  Antennaria media Herbert L. Mason 1936-7-28 11403 Mono Dana Plateau 3505 Comment
  UC1081576  Eriogonum nudum var. scapigerum Herbert L. Mason 1936-7-29 11431 Mono w Saddlebag Lake (cirque below Conness Glacier) 3200 Comment
  UC1083116  Rumex paucifolius Herbert L. Mason 1936-7-29 11430 Mono w of Saddlebag Lake (cirque below Conness Glacer) 3200 Comment
  UC1083118  Polygonum shastense Herbert L. Mason 1936-7-29 11438 Mono cirque below Conness Glacier (w of Saddlebag Lake) 3200 Comment
  UC1083120  Prunus andersonii Herbert L. Mason 1936-8-1 11501 Mono 3 mi. n. Mono Lake; Sierra Nevada, Yosemite Nat'l Park Comment
  UC1083130  Purshia tridentata var. tridentata Herbert L. Mason 1936-8-1 11499 Mono 3 mi n Mono Lake; Sierra Nevada, Yosemite National Park 2072 Comment
  UC1099948  Triglochin maritima Herbert L. Mason 1948-9-4 13638 Mono Mono Lake, Rush Creek Rush Creek; Mono Lake, Rush Creek Comment
  UC1100160  Lilaea scilloides Herbert L. Mason 1948-9-5 13673 Mono junction of Highway 108 and Highway 395 Comment
  UC1100401  Poa secunda subsp. secunda Herbert L. Mason 1948-9-4 13652 Mono Rush Creek Mono Lake Comment
  UC1100720  Eleocharis macrostachya Herbert L. Mason 1948-9-4 13660 Mono Rush Creek, Mono Lake Comment
  UC1100883  Scirpus nevadensis Herbert L. Mason 1948-9-4 13664 Mono Rush Creek Mono Lake, Rush Creek Comment
  UC1100952  Juncus mexicanus Herbert L. Mason 1948-9-4 13657 Mono Rush Creek Mono Lake Comment
  UC1101134  Polygonum amphibium var. stipulaceum Herbert L. Mason 1948-9-5 13675 Mono junction of Hwy 108 and Highway 395 Comment
  UC1101379  Ranunculus cymbalaria var. saximontanus Herbert L. Mason 1948-9-4 13647 Mono Rush Creek Mono Lake Comment
  UC1101601  Muhlenbergia asperifolia Herbert L. Mason 1948-9-4 13654 Mono Rush Creek Mono Lake Comment
  UC1110524  Poa wheeleri Herbert L. Mason 1936-7-23 11314 Mono slopes se of summit Mt Conness 3505 Comment
  UC1110534  Poa glauca subsp. rupicola Herbert L. Mason 1936-7-23 11312 Mono se of summit Mt Conness 3505 Comment
  UC1110535  Festuca brachyphylla subsp. breviculmis Herbert L. Mason 1936-7-23 11293 Mono slopes se Mt. Conness summit; Mt. Conness 3505 Comment
  UC1191890  Mimulus guttatus Herbert L. Mason 1948-9-4 13646 Mono Rush Creek Mono Lake Comment
Read comments Aug 25 2008
  UC1199862  Dodecatheon alpinum H. L. Mason 1922-8-26 358 Mono Mono Pass Sierra Nevada Mountains, Yosemite National Park (at Park boundary, Yosemite National Park) Comment
  UC1240213  Gentianopsis holopetala C. T. Mason Jr. 1953-8-18 1510 Mono along Slate Creek at Carnegie Institution Timberline Station; , Slate Creek 3048 Comment
  UC1275782  Gilia lottiae Herbert L. Mason 1963-6-24 15219 Mono Paoha Island Mono Lake, Paoha Island Comment
  UC1275788  Chaenactis xantiana Herbert L. Mason 1963-6-24 15213 Mono Paoha Island Mono Lake, Paoha Island Comment
  UC559958  Boechera lyallii H. L. Mason 1936-7-28 11417 Mono Dana Plateau Sierra Nevada 3657 Comment
  UC571045  Phyllodoce breweri H. L. Mason 1928-7-5 4876 Mono Tioga Mines Comment
  UC571154  Sedum rosea subsp. integrifolium H. L. Mason 1928-7-5 4875 Mono Tioga Mines Comment
  UC712512  Erigeron pygmaeus Herbert L. Mason 1936-7-31 11467 Mono e of Saddlebag Lake; Sierra Nevada, Tioga Crest 3474 Comment
  UC714184  Polemonium pulcherrimum subsp. pulcherrimum Herbert L. Mason 1936-7-31 11460 Mono e Saddlebag Lake (Tioga Crest); Sierra Nevada, e Saddlebag Lake, Tioga Crest 3474 Comment
  UC714404  Astragalus kentrophyta var. danaus Herbert L. Mason 1936-7-31 11468 Mono Tioga Crest e Saddlebag Lake (Tioga Pass region); Sierra Nevada, Tioga Pass Region, e of Saddlebag Lake 3474 Comment
  UC714405  Astragalus kentrophyta var. danaus Herbert L. Mason 1936-7-28 11408 Mono vicinity Mount Dana (Dana Plateau, Sierra Nevada); Sierra Nevada, vicin Mount Dana, Dana Plateau 3505 Comment
  UC714481  Packera werneriifolia H. L. Mason 1936-7-31 11461 Mono e Saddlebag Lake (summit of Tioga Crest, Sierra Nevada); Sierra Nevada, summit of Tioga Crest 3474 Comment
  UC936207  Silene sargentii H. L. Mason 1936-7-28 11423 Mono Mount Dana Plateau Comment
  UCD123733  Hippuris vulgaris Herbert L. Mason 1948-9-5 13670 Mono junction of Highways 108 and 395. Comment
  UCD138238  Potamogeton foliosus Herbert L. Mason 1948-9-4 13634 Mono Rush Creek. Comment
  POM230876  Epilobium hornemannii subsp. hornemannii H. L. Mason 1936-7-31 11474 Mono Tioga Crest, east of Saddlebag Lake, Sierra Nevada. 3415 Comment
  POM312566  Tiquilia nuttallii H. L. Mason 1948-9-5 13680 Mono Mono craters. Comment
  RSA0016762  Hippuris vulgaris H. L. Mason 1948-9-5 13670 Mono Junction of Highway 108 and 395. Comment
  UC1099833  Potamogeton pectinatus Herbert L. Mason 1948-9-4 13672 Mono Junction of Highway 178 and Highway 395 Comment
  UC1275786  Navarretia breweri Herbert L. Mason 1963-7-4 15225 Mono n of Mono Lake (ridge w of Conway Summit) Comment
  UC602783  Crepis nana H. L. Mason 1936-7-30 11451 Mono Excelsior Peak Comment
  CAS-BOT-BC152433  Diplacus aurantiacus H. L. Mason 1931-5-7 s.n. Monterey Rancho del Monte, Carmel River Comment
  CAS-BOT-BC204732  Acmispon argophyllus H. L. Mason 1921-5-7 s.n. Monterey Rancho del Monte, Carmel River Comment
  CAS-BOT-BC226451  Gilia tenuiflora subsp. tenuiflora Herbert L. Mason 1932-4-28 7031 Monterey Pajaro Hills, east of Watsonville Comment
  CAS-BOT-BC376019  Stylocline gnaphaloides H. L. Mason 1933-4-22 7214 Monterey Pajaro Hills Comment
  CAS-BOT-BC51548  Ceanothus oliganthus var. sorediatus H. L. Mason 1921-5-7 s.n. Monterey Sand flat, Carmel River, Rancho del Monte Comment
  CAS-BOT-BC64053  Ceanothus cuneatus var. rigidus H. L. Mason 1929-3-2 5027 Monterey Big Sur Road, 20 mi. s. of Carmel. Comment
  JEPS36639  Malacothrix saxatilis var. arachnoidea Herbert L. Mason 1928-10-3 4986 Monterey 4 mi above Mission; Carmel River Comment
  POM256416  Pholistoma membranaceum H. L. Mason 1929-3-3 5039 Monterey Mesa above canyon, 4 miles SE of Jamesburg Post Office, Santa Lucia Mountains. Comment
  POM256500  Eryngium armatum H. L. Mason, Edward Lee 1935-4-21 9234 Monterey Point Lobos State Park Comment
  POM256501  Apiastrum angustifolium H. L. Mason, Edward Lee 1935-6-15 9231 Monterey Point Lobos State Park Comment
  POM312987  Ruppia cirrhosa H. L. Mason 1945-7-20 s.n. Monterey Elkhorn Slough. Comment
  UC1039518  Galium californicum subsp. californicum H. L. Mason 1932-4-28 7037 Monterey Pajaro Hills Comment
  UC1039599  Arceuthobium campylopodum Herbert L. Mason 1929-12-1 5515 Monterey Huckleberry Hill Carmel Comment
  UC1076326  Phoradendron villosum Herbert L. Mason 1923-6-14 379 Monterey river bank by King City Bridge Comment
  UC1076387  Calocedrus decurrens H. L. Mason 1930-10-25 5756 Monterey headwaters of the Arroyo Seco Santa Lucia Mts., Arroyo Seco Comment
  UC1076563  Lupinus formosus H. L. Mason 1928-10-3 4987 Monterey Carmel Valley Comment
  UC1083195  Quercus chrysolepis Herbert L. Mason 1928-10-3 4990 Monterey 10 mi from the Mission; Carmel River Comment
  UC1083337  Cupressus goveniana subsp. goveniana H. L. Mason 1929-12-1 5516 Monterey Huckleberry Hill Carmel, Huckleberry Hill Comment
  UC1111012  Muhlenbergia rigens Herbert L. Mason 1930-10-25 5746 Monterey Headwaters of the Arroyo Seco Santa Lucia Mountains Comment
  UC1191846  Jaumea carnosa Herbert L. Mason 1945-7-20 14801 Monterey near Moss Landing; Elkhorn Slough Comment
  UC1281520  Ceanothus cuneatus var. cuneatus H. L. Mason 1929-3-1 5020 Monterey 25 mi up river, along the Jamesburg-Arroyo Seco Rd. Comment
  UC545813  Ericameria ericoides Herbert L. Mason 1928-10-3 4993 a Monterey <??> mi up Carmel River Comment
  UC555426  Lotus benthamii H. L. Mason 1929-3-2 5028 Monterey 20 mi s Carmel (Big Sur Road) Comment
  UC555442  Amelanchier utahensis H. L. Mason 1930-10-25 5743 Monterey Headwaters of Arroyo Seco; Santa Lucia Mts. Comment
  UC565509  Agoseris hirsuta H. L. Mason 1929-3-2 5034 Monterey 20 mi s, along Big Sur Road Carmel; Big Sur Road Comment
  UC565535  Malacothrix saxatilis var. arachnoidea H. L. Mason 1929-3-1 5011 Monterey four mi above Carmel Mission; Carmel River Comment
  UC565553  Stephanomeria elata H. L. Mason 1930-10-25 5745 Monterey Headwaters of the Arroyo Seco Santa Lucia Mountains Comment
  UC566765  Eriophyllum confertiflorum var. confertiflorum H. L. Mason 1923-6-23 549 Monterey Carmel River Comment
  UC566784  Eryngium armatum Herbert L. Mason 1927-7-30 3986 Monterey Cypress Point Comment
  UC566819  Lomatium parvifolium H. L. Mason 1928-4-20 Monterey Carmel, Pine Woods Comment
  UC566907  Forestiera pubescens H. L. Mason 1928-10-2 4977 Monterey bridge over Salinas River, Salinas; Salinas, Salinas River Comment
  UC570709  Nicotiana quadrivalvis H. L. Mason 1928-10-2 4974 Monterey 1 mi below Salinas (Salinas River); Salinas River Comment
  UC570897  Boykinia occidentalis Herbert L. Mason 1930-10-25 5754 Monterey headwaters of Arroyo Seco , headwaters Arroyo Seco (Santa Lucia Mountains) Comment
  UC571074  Arctostaphylos tomentosa subsp. bracteosa H. L. Mason 1931-11-1 5883 Monterey road between Monterey and Carmel Comment
  UC571085  Arctostaphylos pumila H. L. Mason 1923-6-23 570 Monterey Del Monte Comment
  UC571204  Arctostaphylos tomentosa subsp. bracteosa Herbert L. Mason 1927-7-30 3994 Monterey Carmel Comment
  UC588142  Ericameria ericoides Herbert L. Mason 1936-9-13 11525 Monterey 9 mi n Salinas; Prunedale Comment
  UC592182  Pholistoma membranaceum H. L. Mason 1929-3-3 5039 Monterey 4 mi. s.e. Jamesburg Post Office (mesa above canyons); Santa Lucia Mts. Comment
  UC634577  Ceanothus griseus Herbert L. Mason 1927-7-30 3990 Monterey Cypress Point Comment
  UC635068  Mucronea californica Herbert L. Mason 1923-6-23 553 Monterey 10 mi above Carmel; Carmel River Comment
  UC635070  Lastarriaea coriacea Herbert L. Mason 1923-6-23 545 Monterey 10 mi above Carmel (Carmel River); Carmel River Comment
  UC635072  Mucronea californica Herbert L. Mason 1923-6-23 544 Monterey 10 mi above Carmel; Carmel River Comment
  UC635140  Stachys bullata H. L. Mason 1930-10-25 5755 Monterey Headwaters Arroyo Seco; Santa Lucia Mountains Comment
  UC635237  Cuscuta subinclusa H. L. Mason 1930-10-25 5766 Monterey San Antonio River Santa Lucia Mountains Comment
  UC635509  Ceratophyllum demersum H. L. Mason 1928-10-2 4984 Monterey Salinas River one mi below Salinas; Salinas River Comment
  UC635552  Heuchera pilosissima Herbert L. Mason 1929-3-2 5030 Monterey 20 mi s Carmel (Big Sur Road); Big Sur Road Comment
  UC672274  Logfia gallica H. L. Mason 1933-4-22 7216 Monterey Pajaro Hills Comment
  UC908456  Eriastrum virgatum Herbert L. Mason 1923-6-23 541 Monterey 10 mi above Carmel (steep bluffs overlooking river, near school house); Carmel River Comment
  UC908800  Linanthus parviflorus Herbert L. Mason 1932-4-28 7036 Monterey Pajaro Hills Comment
  UC908869  Eriastrum virgatum Herbert L. Mason 541 Monterey along the Carmel River Carmel Valley Comment
  UC908987  Gilia achilleifolia subsp. achilleifolia Herbert L. Mason, Edward Lee April, 1935 Monterey Point Lobos State Park Comment
  UC912207  Artemisia pycnocephala Herbert L. Mason 1923-6-23 547 Monterey Carmel River Comment
  UC912274  Deinandra corymbosa Herbert L. Mason 1932-4-28 7041 Monterey Pajaro Hills Comment
  UCLA71407  Stachys bullata H. L. Mason 1930-10-25 5755 Monterey Headwaters Arroyo Seco; Santa Lucia Mountains Comment
  CAS-BOT-BC286892  Ericameria ericoides Herbert L. Mason 1936-9-13 11525 Monterey Prunedale, nine miles north of Salinas Comment
  CAS-BOT-BC312530  Hulsea heterochroma H. L. Mason 1934-9-9 8152 Monterey Headwaters of Arroyo Seco, Santa Lucia Mountains Comment
  CAS-BOT-BC342430  Logfia gallica H. L. Mason 1932-4-28 7042 Monterey Pajaro Hills Comment
  CAS-BOT-BC356425  Pseudognaphalium beneolens H. L. Mason 1934-9-9 8151 Monterey Santa Lucia Mountains, near the Indians Comment
  CAS-BOT-BC422769  Meconella denticulata H. L. Mason 1935-4-21 8269 Monterey Carmel Canyon Comment
  CAS-BOT-BC451985  Triglochin striata Herbert L. Mason 1930-9-1 5901 Monterey Elkhorn Slough between Watsonville and Castroville Comment
  CAS-BOT-BC85533  Cupressus macrocarpa Herbert L. Mason 1934-10-21 10023 Monterey Point Lobos. Comment
  POM209236  Eriogonum roseum H. L. Mason 1934-9-8 s.n. Monterey 3 mi. southeast of 'The Indians' San Antonio River. Dry meadows under oaks. 549 Comment
  UC1076461  Lessingia pectinata var. tenuipes Herbert L. Mason Sep 1930 5907 Monterey at upper end of Elkhorn Slough; Watsonville Comment
  UC565489  Monolopia major H. L. Mason 1929-3-3 5042 Monterey 4 mi sw Soledad Comment
  UC581125  Pseudognaphalium microcephalum H. L. Mason 1934-9-9 8151 Monterey near The Indians; Santa Lucia Mountains Comment
  UC581177  Heterotheca sessiliflora subsp. echioides H. L. Mason 1934-9-8 8153 Monterey for mi below Jolon; Santa Lucia Mountains, Jolon Grade Comment
  UC634716  Epilobium ciliatum subsp. watsonii H. L. Mason September, 1930 5905 Monterey between Watsonville and Castroville (where small stream enters slough); Elkhorn Slough Comment
  UC635479  Stylomecon heterophylla H. L. Mason 1930-10-25 5775 Monterey between Jolon and Santa Lucia Ranger Station (along the San Antonio River, in the foothills of the Santa Lucia Mountains); Santa Lucia Mountains, San Antonio River Comment
  UC635705  Samolus parviflorus H. L. Mason September 1930 5904 Monterey Elkhorn Slough between Watsonville and Castroville; Elkhorn Slough Comment
  UC908607  Linanthus parviflorus Herbert L. Mason 1930-4-21 5609 Monterey Priest Valley Comment
  UC908977  Gilia achilleifolia subsp. multicaulis Herbert L. Mason 1938-5-6 11762 Monterey woodland outside Jolon (at the Junction to Indians Road); outside Jolon Comment
  UCD48594  Navarretia mellita Herbert L. Mason 1950-6-9 14802 Monterey Highland Spring Road, Monterey County. Comment
Read comments Sep 27 2007
  CAS-BOT-BC134982  Phoradendron bolleanum H. L. Mason; L. Constance 1939-12-21 s.n. Napa above St. Helena Creek on the shoulder of Mt. St. Helena on the Middletown-Calistoga road to Lake County line Comment
  CAS-BOT-BC169768  Cistanthe quadripetala Herbert L. Mason 1935-5-30 10010 Napa 4 miles N of Knoxville on the Monticello - Lower Lake Road Comment
  CAS-BOT-BC205888  Fremontodendron californicum Herbert L. Mason 1935-5-30 10009 Napa Four miles north of Knoxville Mines Comment
  SEINET196212  Navarretia cotulifolia Herbert L. Mason 1934-4-30 8111 Napa Tributary of Putah Creek, Pope Valley Comment
  UC1039601  Phoradendron densum Herbert L. Mason 1926-1-2 2607 Napa Mt. St. Helena, Toll House Canyon Comment
  UC1093986  Cheilanthes intertexta Herbert L. Mason 1925-1-22 1209 Napa Wooden Valley Grade Comment
  UC1178880  Kickxia elatine Herbert L. Mason 1942-9-29 12557 Napa 2 mi n Calistoga (bed of Napa River); Napa River Comment
  UC555288  Adenostoma fasciculatum H. L. Mason 1925-1-22 1203 Napa Wooden Valley Grade Comment
  UC571224  Arctostaphylos stanfordiana H. L. Mason 1925-1-22 1202 Napa Wooden Valley Grade Comment
  UC571225  Arctostaphylos glandulosa subsp. glandulosa H. L. Mason 1925-1-23 1205 a Napa Wooden Valley Grade Comment
  UC634916  Salvia sonomensis H. L. Mason 1926-3-22 2795 Napa from Calistoga to Petrified Forest Comment
  UC635346  Delphinium patens H. L. Mason 1928-4-13 4330 Napa hills between Santa Rosa and Calistoga Comment
  UC635607  Eschscholzia lobbii H. L. Mason 1926-3-27 2799 Napa road between Gordon Valley and Wooden Valley Comment
  UC689684  Linanthus dichotomus Herbert L. Mason 1942-5-24 12540 Napa 3 mi s Pope Valley Store Comment
  UC971874  Limnanthes douglasii subsp. douglasii Charles T. Mason Jr. 1948-5-8 1182 Napa Pope Valley Comment
  SEINET8729335 Image available Linanthus dichotomus subsp. meridianus Herbert L. Mason 1942-1 12540 Napa Eight miles south of Pope Valley Store Comment
  UC1076280  Cupressus macnabiana H. L. Mason 1924-1-23 1208 Napa Pope Canyon Comment
  UC1093971  Euthamia occidentalis H. L. Mason 1923-10-6 771 Napa Suisan Marsh Comment
  UC555460  Trifolium microcephalum H. L. Mason 1928-4-13 4340 Napa near spring (Reili School) Comment
  UC573154  Amsinckia intermedia Herbert L. Mason 1926-3-20 2755 Napa Calistoga Comment
  UC573155  Plagiobothrys tenellus Herbert L. Mason 1926-3-14 2737 Napa near summit Mount St. Helena Comment
  UC592162  Osmorhiza berteroi H. L. Mason 1926-3-22 2788 Napa between Calistoga to Petrified Forest Comment
  UC623309  Apocynum androsaemifolium H. L. Mason 1939-5-18 12104 Napa Wooden Valley Comment
  UC673520  Erysimum capitatum H. L. Mason 1926-3-14 2725 Napa Mount St. Helena Comment
  UCD126389  Nemacladus montanus Herbert L. Mason 1935-5-30 s.n. Napa 4 miles north of Knoxville Mines. Comment
  CAS-BOT-BC34251  Carex capitata Herbert L. Mason 1952-7-19 14418 Nevada Sierra Nevada. Sage Hen Creek. Meadow opposite University of California Trout Laboratory. 1981 Comment
  CAS-BOT-BC98506  Symphyotrichum spathulatum Herbert L. Mason 1952-8-16 14489 Nevada Meadow opposite University of California Trout Laboratory - Sage Hen Creek - Sierra Nevada 1981 Comment
  SEINET11601415 Image available Madia glomerata H. L. Mason 1952-7-19 14413 Nevada Sierra Nevada, Sage Hen Creek, meadow opposite University of California Trout Laboratory 1981 Comment
  SEINET3405788 Image available Polygonum douglasii Herbert L. Mason 1952-7-19 14408 Nevada Sierra Nevada, Sage Hen Creek, Meadow opposite University of California Trout Laboratory 1981 Comment
  SEINET3927273  Deschampsia cespitosa Herbert L. Mason 1952-8-16 14491 Nevada Meadow opposite University of California Trout Laboratory.; 0 1981 Comment
  UC1106317  Hypericum anagalloides Herbert L. Mason, B. Fuller, and H. Whisler 1958-6-29 6 Nevada 12 mi. n. Truckee (1 mi. w. of CA Trout Lab., Sage Hen Creek); Sierra Nevada, Sage Hen Creek 1981 Comment
  UC1106320  Epilobium hallianum Herbert L. Mason, B. Fuller, and H. Whisler 1958-7-13 13 Nevada one mi w University of California Trout Laboratory (12 miles north of Truckee); Sierra Nevada, Sage Hen Creek 1981 Comment
  UC634891  Dendromecon rigida H. L. Mason 1926-5-29 3284 a Nevada Donner Pass Road near Alta Comment
  UC672327  Hydrophyllum capitatum var. alpinum H. L. Mason 1926-5-29 3302 Nevada Truckee River Comment
  UC908158  Gilia capitata subsp. pedemontana Herbert L. Mason 1926-5-24 3281 Nevada 5 mi s Grass Valley (Rattlesnake Creek); , s of Grass Valley 609 Comment
  UC908633  Allophyllum gilioides subsp. violaceum Herbert L. Mason 1939-7-7 12159 Nevada 3 mi. w. Donner Summit 2072 Comment
  UC908638  Navarretia divaricata subsp. vividior Herbert L. Mason 1926-5-29 3279 Nevada 5 mi s Grass Valley; Rattlesnake Creek 609 Comment
  UC963772  Navarretia divaricata Herbert L. Mason Jul 7 1939-Jul 8 1939 12146 Nevada 3 mi w Donner Summit 2072 Comment
  UC963773  Navarretia divaricata Herbert L. Mason Jul 7 1939-Jul 8 1939 12145 Nevada 3 mi w Donner Summit 2072 Comment
  UC965496  Poa pratensis subsp. pratensis Herbert L. Mason 1952-7-11 14332 Nevada 1 mi w U.C. Trout Lab; Sierra Nevada 1981 Comment
  UC965499  Poa secunda subsp. secunda Herbert L. Mason 1952-7-19 14435 Nevada meadow opposite University of CA Trout Laboratory (Sage Hen Creek); Sierra Nevada 1981 Comment
  UC965502  Hordeum brachyantherum subsp. brachyantherum Herbert L. Mason 1952-7-19 14432 Nevada meadow opposite University of California Trout Laboratory; Sierra Nevada, Sage Hen Creek Comment
  UC965503  Festuca rubra Herbert L. Mason 1952-7-19 14419 Nevada meadow opposite Univ. of Calif. Trout Laboratory; Sage Hen Creek 1981 Comment
  UC965508  Poa secunda subsp. secunda Herbert L. Mason 1952-7-19 14414 Nevada meadow opposite U of C Trout Laboratory (Sage Hen Creek); Sierra Nevada 1981 Comment
  UC965510  Ranunculus uncinatus Herbert L. Mason 1952-7-16 14354 Nevada one mi w University of California Trout Laboratory (adjacent to stream which arises from spring in meadow); Sierra Nevada, Sage Hen Creek 1981 Comment
  UC965512  Taraxia subacaulis Herbert L. Mason 1952-6-16 14359 Nevada one mi w University of California Trout Laboratory (peat meadow back of stream); Sierra Nevada, Sage Hen Creek 1981 Comment
  UC965513  Drosera rotundifolia Herbert L. Mason 1952-8-16 14465 Nevada meadow opposite University of California Trout Laboratory; Sierra Nevada, Sage Hen Creek 1981 Comment
  UC965518  Neoholmgrenia andina Herbert L. Mason 1952-7-11 14333 Nevada one mi w University of California Trout Laboratory; Sierra Nevada, Sage Hen Creek 1981 Comment
  UC965520  Ranunculus occidentalis Herbert L. Mason 1952-7-16 14353 Nevada one mi w University of California Trout Laboratory (adjacent to stream which arises from large spring in meadow); Sierra Nevada, Sage Hen Creek 1981 Comment
  UC965522  Lemna trisulca Herbert L. Mason 1952-7-19 14425 Nevada meadow opposite California Trout Laboratory (Sage Hen Creek); Sierra Nevada, Sage Hen Creek 1981 Comment
  UC965531  Navarretia divaricata Herbert L. Mason 1952-8-16 14463 Nevada opposite Univ. of Calif. Trout Laboratory; Sierra Nevada, Sage Hen Creek 1981 Comment
  UC965549  Mitella pentandra Herbert L. Mason 1952-7-18 14402 Nevada upstream from University of California Trout Laboratory; Sierra Nevada, Sage Hen Creek 1981 Comment
  UC965556  Delphinium nuttallianum Herbert L. Mason 1952-7-11 14331 Nevada rocky margin of quaking bog at head of meadow 1 mi w University of California Trout Laboratory; Sierra Nevada, Sage Hen Creek 1981 Comment
  UC965559  Geum macrophyllum Herbert L. Mason 1952-7-16 14355 Nevada 1 mi w of University of California Trout Laboratory (Sage Hen Creek); Sierra Nevada, Sage Hen Creek 1981 Comment
  UC965566  Hackelia californica Herbert L. Mason 1952-7-18 14392 Nevada Sage Hen Creek; Sierra Nevada 2133 Comment
  UC965569  Hydrophyllum capitatum var. alpinum Herbert L. Mason 1952-7-11 14338 Nevada 1 mi w Univ. of Calif. Trout Laboratory (Sage Hen Creek); Sierra Nevada, Sage Hen Creek 1981 Comment
  UC965576  Plagiobothrys hispidulus Herbert L. Mason 1952-7-16 14350 Nevada adjacent to stream which arises from large spring in meadow one mi w University of California Trout Laboratory; Sierra Nevada, Sage Hen Creek 1981 Comment
  UC965586  Madia exigua Herbert L. Mason 1952-7-16 14371 Nevada 1 mi w University of California Trout Laboratory (Sage Hen Creek); Sierra Nevada 1981 Comment
  UC965592  Chenopodium atrovirens Herbert L. Mason 1952-7-19 14407 Nevada meadow opposite University of California Trout Laboratory; Sage Hen Creek 1981 Comment
  UC965593  Carex cusickii Herbert L. Mason 1952-7-19 14416 Nevada meadow opposite University of California Trout Laboratory; Sierra Nevada, Sage Hen Creek 1981 Comment
  UC965598  Carex microptera Herbert L. Mason 1952-7-19 14421 Nevada meadow opposite University of California Trout Laboratory; Sierra Nevada, Sage Hen Creek 1981 Comment
  UC965604  Carex capitata Herbert L. Mason 1952-8-16 14480 Nevada meadow opposite University of California Trout Laboratory; Sierra Nevada, Sage Hen Creek 1981 Comment
  UC965605  Carex simulata Herbert L. Mason 1952-8-16 14479 Nevada meadow opposite University of California Trout Laboratory; Sierra Nevada, Sage Hen Creek 1981 Comment
  UC965636  Rumex salicifolius var. salicifolius Herbert L. Mason 1952-7-18 14395 Nevada upstream Univ. of Calif Trout Laboratory; Sierra Nevada, Sage Hen Creek 1981 Comment
  UC965639  Camassia quamash subsp. breviflora Herbert L. Mason 1952-7-11 14329 Nevada 1 mi w of University of California Trout Laboratory (Sage Hen Creek); Sierra Nevada, Sage Hen Creek 1981 Comment
  UC965641  Collinsia parviflora Herbert L. Mason 1952-7-16 14369 Nevada 1 mi w of University of California Trout Laboratory (Sage Hen Creek); Sierra Nevada, Sage Hen Creek 1981 Comment
  UC965647  Veronica peregrina subsp. xalapensis Herbert L. Mason 1952-7-16 14368 Nevada 1 mi w of University of California Trout Laboratory (Sage Hen Creek); Sierra Nevada, Sage Hen Creek 1981 Comment
  CAS-BOT-BC119824  Carex nebrascensis Herbert L. Mason 1952-7-16 14348 Nevada One mi W of Univ of CA Trout Laboratory. Sage Hen Creek. 1981 Comment
  CAS-BOT-BC230934  Plagiobothrys hispidulus Herbert L. Mason 1952-7-16 14364 Nevada Sage Hen Creek. 1 miles W of University of California Trout Laboratory 1981 Comment
  CAS-BOT-BC286356  Cirsium scariosum Herbert L. Mason 1952-7-11 14334 Nevada Sierra Nevada. One mile west of University of California Trout Laboratory. Sage Hen [Sagehen] Creek 1981 Comment
  CAS-BOT-BC342820  Madia glomerata Herbert L. Mason 1952-7-19 14413 Nevada Sierra Nevada. Meadow opposite University of California Trout Laboratory. Sage Hen [Sagehen] Creek 1981 Comment
  CAS-BOT-BC401571  Drosera rotundifolia Herbert L. Mason 1952-8-16 14465 Nevada Sierra Nevada. Meadow opposite University of California Trout Laboratory. Sage Hen [Sagehen] Creek 1981 Comment
  POM285051  Ranunculus orthorhynchus H. L. Mason 1952-7-11 14335 Nevada Sage Hen Creek, Old drained sphagnum bog in meadow 1 mile W of University of California Trout Laboratory. 1982 Comment
  POM285053  Ranunculus occidentalis var. ultramontanus H. L. Mason 1952-7-16 14353 Nevada Sage Hen Creek, 1 mile W of University of California Trout Laboratory. 1982 Comment
  POM310940  Gayophytum racemosum H. L. Mason 1952-7-11 14333 Nevada Sage Hen Creek, Old drained sphagnum bog in meadow 1 mile W of University of California Trout Laboratory. 1982 Comment
  RSA310959  Navarretia capillaris H. L. Mason 1939-7-7 12156 Nevada Three miles west of Donner Summit 2073 Comment
  RSA97621  Carex utriculata H. L. Mason 1952-8-16 14483 Nevada Meadow opposite University of California Trout Laboratory. Sage Hen Creek. 1982 Comment
  SEINET13328859  Carex athrostachya H. L. Mason 1952-8-16 14459 Nevada [Sierra Nevada] Sage Hen Creek, meadow opposite University of California Trout Laboratory 1981 Comment
  SEINET13374815  Carex jonesii H. L. Mason 1952-8-16 14458 Nevada Sierra Nevada, Sage Hen Creek, meadow opposite University of California Trout Laboratory 1981 Comment
  SEINET196201  Microsteris gracilis H. L. Mason 1926-5-29 3292 Nevada Crystal Lake 3 mi W of Cisco 1768 Comment
  UC566888  Sanicula tuberosa Herbert L. Mason 1926-5-29 3293 Nevada 3 mi w of Cisco (Crystal Lake); Crystal Lake 1767 Comment
  UC672139  Camassia quamash subsp. breviflora Herbert L. Mason 1926-5-29 3300 Nevada Truckee River; Sierra Nevada, Truckee River Comment
  UC965651  Penstemon gracilentus Herbert L. Mason 1952-7-18 14394 Nevada s Sage Hen Creek; Sierra Nevada, s of Sage Hen Creek 2133 Comment
  UC634679  Oligomeris linifolia Herbert L. Mason 1926-4-25 2905 Orange 5 mi s Laguna (above sea) Comment
  UC635390  Camissoniopsis bistorta H. L. Mason 1926-4-25 2928 Orange 5 mi s Laguna Comment
  UC635392  Camissoniopsis cheiranthifolia subsp. suffruticosa H. L. Mason 1926-4-25 2918 Orange 5 mi s Laguna Comment
  UC635393  Camissoniopsis cheiranthifolia subsp. suffruticosa H. L. Mason 1926-4-25 2919 Orange five mi s Laguna Comment
  CAS-BOT-BC163589  Clarkia biloba subsp. biloba H. L. Mason 1926-5-28 3270 Placer Five miles above Auburn Comment
  CAS-BOT-BC307366  Gnaphalium palustre H. L. Mason 1932-9-9 7175 Placer Cisco Comment
  JEPS38082  Quercus chrysolepis H. L. Mason Placer Colfax Comment
  UC1110539  Agrostis exarata Herbert L. Mason 1939-8-3 12206 Placer 7 mi nw Tahoe City (Squaw Valley); Squaw Valley 1889 Comment
  UC1191176  Ligusticum grayi Herbert L. Mason 1939-8-3 12201 Placer 7 mi. n.w. Tahoe City (Squaw Valley); Squaw Valley 1889 Comment
  UC1191221  Erigeron coulteri Herbert L. Mason 1939-8-3 12204 Placer n of Lake Tahoe (Squaw Creek Valley); Squaw Creek Valley 1889 Comment
  UC566755  Eriophyllum lanatum var. grandiflorum H. L. Mason 1926-5-28 3275 Placer 5 mi above Auburn Comment
  UC566896  Tauschia hartwegii H. L. Mason 1926-5-28 3266 Placer hills near Auburn (Auburn) Comment
  UC570690  Solanum umbelliferum Herbert L. Mason 1926-5-28 3269 Placer 5 mi above Auburn Comment
  UC571236  Arctostaphylos viscida subsp. viscida H. L. Mason 1926-5-28 3264 Placer hills near Auburn Comment
  UC581141  Gnaphalium palustre H. L. Mason 1932-9-9 77175 Placer Cisco Comment
  UC634698  Clarkia biloba H. L. Mason 1926-5-28 3270 Placer 5 mi above Auburn Comment
  UC634807  Ceanothus prostratus Herbert L. Mason 1926-5-29 3289 Placer Donner Pass Road 3 1/10 mi e Crystal Springs; Donner Pass Road, e of Crystal Springs Comment
  UC635220  Dichelostemma volubile H. L. Mason 1926-5-28 3276 Placer 5 mi above Auburn Comment
  UC912594  Calycadenia multiglandulosa H. L. Mason 1929-10-4 5455 Placer 2.4 mi below Weimar Comment
  SEINET7370957  Vicia E. W. Mason 1976-3-13 s.n. Placer About 2 miles north of Auburn, North Fork American River 274 Comment
  SEINET8480274  Fritillaria E. W. Mason 1976-3-13 s.n. Placer Ca 2 miles S of Auburn. 305 Comment
  UC581497  Viola lobata subsp. lobata H. L. Mason 1926-5-29 3290 Placer burned area 2 mi w of Emmigrant Gap Comment
  UC634780  Orogenia fusiformis H. L. Mason 1933-5-28 7237 Placer Lower Truckee R. Meadows Comment
  UC634963  Myosurus minimus H. L. Mason 1933-5-28 7240 Placer Tahoe Meadows Comment
  UC635580  Hesperochiron californicus H. L. Mason 1933-5-28 7241 Placer Tahoe Meadows Comment
  CAS-BOT-BC169864  Garrya fremontii H. L. Mason 1924-6-18 1053 Plumas Road between Graeagle and Gold Lake Comment
  JEPS11384  Penstemon speciosus H. L. Mason 1924-6-26 1045 Plumas Blairsden Comment
  JEPS23105  Pedicularis attollens H. L. Mason 1924-6-26 Plumas Blairsden Comment
  JEPS9174  Utricularia intermedia H. L. Mason 1924-6-26 Plumas Blairsden Comment
  UC1076328  Arceuthobium americanum Herbert L. Mason 1924-6-20 1079 Plumas near lake Gold Lake Comment
  UC565599  Penstemon rydbergii var. oreocharis Herbert L. Mason 1926-6-19 1085 Plumas Gold Lake Comment
  UC634988  Ceanothus prostratus Herbert L. Mason 1924-6-16 1046 Plumas Graegle Comment
  UC635152  Pyrola asarifolia H. L. Mason Jul 1925 2891 Plumas Mount Elwell Comment
  UC635611  Eschscholzia californica H. L. Mason 1924-6-15 1034 Plumas Graeagle Comment
  UC635665  Downingia bacigalupii H. L. Mason 1924-6-26 1092 Plumas Blairsden Comment
  UC673360  Dodecatheon alpinum Herbert L. Mason 1924-6-19 1077 Plumas near the base Mt. Elwell (near the outlet of Bear Lake); nr outlet Bear Lake, near base Mt. Elwell Comment
  UC673470  Castilleja tenuis H. L. Mason 1924-6-26 1094 Plumas near Blairsden Comment
  UC908140  Navarretia intertexta H. L. Mason 1924-6-26 1096 Plumas Blairsden Comment
  UC908173  Navarretia divaricata Herbert L. Mason 1924-6-20 1087 Plumas near Gold Lake (on trail from Gold Lake to Graeagh Camp) Comment
  UC908578  Gilia capillaris Herbert L. Mason 1924-6-20 1083 Plumas Gold Lake Comment
  UC965537  Polygonum polygaloides subsp. confertiflorum Herbert L. Mason 1952-7-17 14389 Plumas Beckwourth Sierra Valley Comment
  CAS-BOT-BC222110  Monardella odoratissima subsp. pallida H. L. Mason 1924-6-16 1043 Plumas South banks of Feather River, near Graeagle Comment
  POM312468  Spirodela polyrhiza H. L. Mason 1953-7-8 14561 Plumas 4 miles northwest of Loyalton Comment
  RSA312422  Myosurus aristatus H. L. Mason 1953-7-8 14559 Plumas 1/2 as long as claw, 6 miles SE of Beckwourth on road from Beckwourth to Loyalton across valley Comment
  UC1101246  Spirodela polyrhiza Herbert L. Mason 1953-7-8 14561 Plumas 4 mi nw Loyalton Comment
  UC1101260  Lemna trisulca Herbert L. Mason 1955-7-30 14638 Plumas near Chester Comment
  UC555549  Sanguisorba annua H. L. Mason 1924-6-16 1042 Plumas near Graeagle (South banks of Feather River); s banks of Feather River Comment
  UC570692  Solanum umbelliferum Herbert L. Mason 1924-6-19 1066 Plumas slide just west of Gold Lake Comment
  UC573075  Hackelia nervosa H. L. Mason 1924-6-19 1067 Plumas hill w of Gold Lake Comment
  UC635516  Eriogonum ursinum Herbert L. Mason 1924-6-18 1055 Plumas near summit of road between Graeagle and Gold Lake Comment
  UCD138082  Spirodela polyrhiza Herbert L. Mason 1953-7-8 14561 Plumas 4 miles northwest of Loyalton. Comment
  UCD96284  Myosurus apetalus Herbert L. Mason 1953-6-16 14554 Plumas Two miles east of Beckwourth. Comment
  CAS-BOT-BC263512  Eriogonum thomasii H. L. Mason 1928-3-10 4190 Riverside White Water River Comment
  CAS-BOT-BC419650  Eschscholzia parishii H. L. Mason 1928-3-10 4191 Riverside Whitewater River Comment
  CAS-BOT-BC48455  Ceanothus crassifolius Herbert L. Mason; Munz; Peirson 1926-4-30 3120 Riverside Southwestern Riverside Co. - Temecula canyon, 2 miles south of Temecula Comment
  CAS-BOT-BC51286  Ceanothus leucodermis Herbert L. Mason 1926-4-30 3113 Riverside Temecula Canyon, 1 mile South of Temecula, Southwestern Riverside Co. Comment
  UC1039776  Mimulus aurantiacus var. pubescens Herbert L. Mason 1926-5-2 3190 Riverside Aguanga Valley Comment
  UC1051456  Monoptilon bellioides Herbert L. Mason 1952-4-7 14210 Riverside Palm Springs Palm Canyon Comment
  UC1051457  Linanthus jonesii Herbert L. Mason 1952-4-7 14207 Riverside Palm Canyon Palm Spring Comment
  UC1083311  Ephedra californica H. L. Mason 1928-3-10 4188 Riverside White water River Comment
  UC1191180  Antirrhinum filipes Herbert L. Mason 1952-4-7 14206 Riverside near Palm Springs; Palm Canyon Comment
  UC555342  Psorothamnus schottii Herbert L. Mason 1928-3-10 4218 Riverside Hidden Springs Canyon , Hidden Springs Canyon (Coachella Mts.) Comment
  UC555383  Lotus argophyllus var. argophyllus H. L. Mason 1926-5-2 3189 Riverside Aguanga Valley Comment
Read comments Nov 16 2011
  UC555406  Lotus rigidus H. L. Mason 1928-3-11 4240 Riverside near Indio Comment
  UC565506  Rafinesquia neomexicana H. L. Mason 1928-3-10 4178 Riverside Whitewater River Comment
  UC566732  Palafoxia arida var. arida H. L. Mason 1928-3-10 4214 Riverside Hidden Springs Canyon Coachella Mts. Comment
  UC570801  Ditaxis neomexicana H. L. Mason 1928-3-10 4223 Riverside Hidden Springs Canyon Coachella Mts., Hidden Springs Canyon Comment
  UC573091  Cryptantha barbigera Herbert L. Mason 1928-3-10 4228 Riverside Hidden Springs Canyon Coachella Mts. Comment
  UC592158  Streptanthella longirostris Herbert L. Mason 1928-3-11 4194 Riverside near Whitewater Comment
  UC635476  Platystemon californicus H. L. Mason 1926-4-30 3134 Riverside two mi s Temecula Comment
  UC635582  Simmondsia chinensis Herbert L. Mason 1926-5-1 3188 Riverside Aguanga Valley Comment
  UC672095  Hesperocallis undulata Herbert L. Mason 1928-3-10 4208 Riverside Coachella Mountains, Hidden Springs Canyon Hidden Springs Canyon; Coachella Mountains, Hidden Springs Canyon Comment
  UC672207  Monoptilon bellioides H. L. Mason 1928-3-10 4245 Riverside road from Indio to Palm Springs Comment
  UC672401  Phacelia crenulata var. ambigua Herbert L. Mason 1928-3-11 4237 Riverside near Indio; Colorado Desert Comment
  UC672427  Phacelia campanularia subsp. campanularia Herbert L. Mason 1928-3-10 4183 Riverside Snow Creek Colorado Desert, Whitewater River Valley Comment
  UC672455  Mimulus brevipes H. L. Mason 1926-4-30 3121 Riverside Temecula to Pala (Pala Grade); Temescal Canyon Comment
  UC672659  Mentzelia involucrata H. L. Mason 1928-3-10 4192 Riverside White Water River Comment
  UC673522  Lepidium lasiocarpum var. lasiocarpum Herbert L. Mason 1928-3-11 4243 Riverside near Indio Comment
  UC908859  Gilia stellata Herbert L. Mason 1928-3-11 4249 Riverside along road between Indio and Palm Springs (Colorado Desert); , btw Indio and Palm Springs Comment
  UC912504  Encelia farinosa Herbert L. Mason 1926-5-2 3202 Riverside Temecula Valley Comment
  UC912656  Panicum urvilleanum H. L. Mason 1928-3-10 4197 Riverside Whitewater River Comment
  SEINET10406507 Image available Larrea tridentata S. C. Mason 1908-1 Riverside Palm Springs Comment
  JEPS45768  Elatine brachysperma H. L. Mason 1934-3-25 Sacramento near Rio Linda Comment
  SEINET195972 Image available Vulpia bromoides Herbert L. Mason 2001-3-25 7972 Sacramento Keithly ranch, Rio Linda Comment
  UC482965  Sidalcea hartwegii Herbert L. Mason 1932-4-24 Sacramento about 11 mi e Folsom (near base of Pilot Hill); e of Folsom, near base of Pilot Hill Comment
  UC571007  Dodecatheon clevelandii subsp. patulum Herbert L. Mason 1927-2-28 3651 Sacramento Folsom Comment
  UC769974  Cicendia quadrangularis Herbert L. Mason 1934-3-25 7958 Sacramento Rio Linda Sacramento Valley (Keithly ranch) Comment
  UC769975  Lepidium latipes Herbert L. Mason 1934-3-25 7959 Sacramento Keithly Ranch Sacramento Valley, Rio Linda Comment
  UC769984  Trifolium depauperatum var. depauperatum Herbert L. Mason 1934-3-25 7974 Sacramento Keithly Ranch Rio Linda Comment
  UC769985  Eryngium castrense Herbert L. Mason 1934-3-25 7929 Sacramento Keithly Ranch, Rio Linda Sacramento Valley, Rio Linda, Keithly Ranch Comment
  UC769991  Lepidium nitidum Herbert L. Mason 1934-3-25 7930 Sacramento Keithly ranch Sacramento Valley, Rio Linda Comment
  UC769997  Triphysaria eriantha subsp. eriantha Herbert L. Mason 1934-3-25 7955 Sacramento Rio Linda Sacramento Valley, Rio Linda (Keithly ranch) Comment
  UC971801  Limnanthes alba subsp. alba Charles T. Mason Jr. 1948-5-13 1184 Sacramento 6 mi e Sacramento (ditch on s side of State Hwy 16) 30 Comment
  SEINET3817871  Soliva sessilis Herbert L. Mason 1934-3-25 7957 Sacramento Unbroken, marginal valley land, Keithly ranch, Rio Linda Comment
  CAS-BOT-BC219647  Acanthomintha lanceolata Herbert L. Mason 1940-5-5 12284 San Benito Panoche Pass ca. 6 miles southeast of Pacines [Paicines] and 2.4 miles east of Emmet [Emmett] School, San Carlos Range 609 Comment
  CAS-BOT-BC76393  Eschscholzia hypecoides H. L. Mason 1930-3-30 5530 San Benito San Benito River Canyon, 14 miles below the Pinnacles. Comment
  JEPS54063  Guillenia flavescens H. L. Mason 1930-3-30 San Benito 20 mi. s. Hollister (2 mi. n. of Willow Creek School, 1/4 mi. n.e. of rd. along San Benito R., across a meadow and across the river bed) Comment
  JEPS57102  Eriogonum argillosum Herbert L. Mason 1930-3-30 San Benito 1 3/4 mi n Willow Creek School; San Benito River Comment
Read comments Jul 27 2015
  RSA141237  Amsinckia vernicosa var. furcata H. L. Mason 1952-4-27 14284 San Benito About 3 miles from mouth of San Carlos Canyon Comment
  UC1060669  Hesperevax sparsiflora var. sparsiflora Herbert L. Mason 1957-5-11 14695 San Benito 2-3 mi e of Hernandez Comment
  UC1093675  Streptanthus insignis Herbert L. Mason 1957-5-11 14734 San Benito canyon entrance 4-5 mi e Hernandez; Clear Creek Canyon Comment
  UC1101060  Muilla maritima Herbert L. Mason and J. F. McBride 1950-4-21 14039 b San Benito e side of valley Panoche Valley Comment
  UC1178942  Campanula exigua Herbert L. Mason 1940-5-5 12281 San Benito about 20 mi se Paicines; Panoche Pass Comment
  UC566721  Lasthenia microglossa H. L. Mason 1930-3-30 5526 San Benito Pinnacles Comment
  UC635519  Eriogonum argillosum H. L. Mason 1930-3-30 5533 San Benito 14 mi below Pinnacles; San Benito River Canyon Comment
Read comments Jun 2 2016
  CAS-BOT-BC248527  Eriogonum angulosum H. L. Mason 1930-4-20 s.n. San Benito 14 miles south of Hollister Comment
  SEINET7881867 Image available Micropus californicus Herbert L. Mason 1952-1 14281 San Benito San Carlos Canyon Comment
  UC634838  Eremalche parryi H. L. Mason 1930-3-30 5537 San Benito 14 mi. below Pinnacles; San Benito R. Canyon Comment
  UC908562  Linanthus androsaceus Herbert L. Mason 1930-3-30 5540 San Benito 14 mi below Pinnacles; San Benito River Canyon Comment
  CAS-BOT-BC180989  Thamnosma montana H. L. Mason 1935-3-28 8178 San Bernardino Three miles south of Barstow, Mojave Desert Comment
  RSA114059  Gilia scopulorum H. L. Mason 1952-4-11 14257 San Bernardino Black lavas north of Pisgah Crater. Comment
  UC1039630  Argemone corymbosa Herbert L. Mason 1935-4-30 8285 San Bernardino Poison Canyon Comment
  UC1050460  Geraea canescens Herbert L. Mason 1952-4-9 14229 San Bernardino ten mi s Needles Comment
  UC1051458  Prosopis glandulosa var. torreyana Herbert L. Mason 1952-4-9 14225 San Bernardino 25 mi s Needles (on road from Blythe to Needles) Comment
  UC1051461  Euphorbia eriantha Herbert L. Mason 1952-4-9 14232 San Bernardino 10 mi S of Needles Comment
  UC1051463  Linanthus demissus Herbert L. Mason 1952-4-9 14234 San Bernardino s of Needles; Sawtooth Range Comment
  UC1076311  Kopsiopsis strobilacea Herbert L. Mason 1927-6-15 3773 San Bernardino Mt. San Antonio, San Gabriel Mts. Comment
  UC1076349  Pinus contorta subsp. murrayana Herbert L. Mason 1927-6-15 3780 San Bernardino Mt. Baldy San Gabriel Mts., Mt. Baldy (on higher slopes) 2895 Comment
  UC1076354  Pseudotsuga macrocarpa H. L. Mason 1927-6-15 3763 San Bernardino slopes of Mt. Baldy; San Gabriel Mts., Mt. Baldy 1889 Comment
  UC1179028  Nemacladus ramosissimus Herbert L. Mason 1935-4-30 8281 b San Bernardino Poison Canyon Comment
  UC1199843  Draba cuneifolia Herbert L. Mason 1935-3-29 8224 San Bernardino w Searles Lake (Poison Canyon); Mojave Desert, , w of Searles Lake Comment
  UC555625  Prunus virginiana var. demissa H. L. Mason 1927-6-15 3777 San Bernardino Mount San Antonio; San Gabriel Mountains, Mount San Antonio 2590 Comment
  UC555667  Rosa woodsii var. glabrata Herbert L. Mason 1926-4-28 3090 San Bernardino Box S Springs Mojave Desert Comment
  UC566661  Senecio flaccidus var. monoensis H. L. Mason 1925-4-25 3068 San Bernardino Box S Springs Comment
  UC570698  Nicotiana obtusifolia Herbert L. Mason 1926-4-27 3069 San Bernardino Dead Man Point; Mojave Desert Comment
  UC581161  Viguiera reticulata H. L. Mason 1935-3-29 8218 San Bernardino w of Searles Lake; Mojave Desert, Poison Canyon Comment
  UC635082  Eriogonum maculatum Herbert L. Mason 1926-4-28 3080 San Bernardino Box S Springs Mohave Desert, Box S Springs Comment
  UC635083  Eriogonum inflatum var. inflatum Herbert L. Mason 1926-4-28 3093 San Bernardino Box S Springs Mohave Desert, Box S Springs Comment
  UC907884  Langloisia setosissima subsp. punctata H. L. Mason 1940-3-23 12250 San Bernardino s.w. Searles Lake (Poison Canyon); Poison Canyon Comment
  UC908135  Gilia latifolia Herbert L. Mason 1935-3-29 8287 San Bernardino w Searles Lake (Poison Canyon); Mohave Desert, , w of Searles Lake Comment
  UC908142  Gilia ochroleuca subsp. ochroleuca Herbert L. Mason 1935-3-28 8184 San Bernardino Stoddard Wells Mohave Desert, Stoddard Wells Comment
  UC908402  Gilia filiformis Herbert L. Mason 1935-3-29 8228 San Bernardino w Searles Lake (Poison Canyon); Mojave Desert, , w of Searles Lake Comment
  UC908418  Gilia subacaulis Herbert L. Mason 1935-4-30 8287 San Bernardino sw Searles Lake (Poison Canyon); Mohave Desert, Poison Canyon sw of Searles Lake Comment
  UC908490  Gilia latiflora subsp. latiflora Herbert L. Mason 1934-3-30 8031 San Bernardino two mi se Barstow; Mohave Desert, Barstow Comment
  UC908655  Linanthus arenicola Herbert L. Mason 1938-4-15 11726 San Bernardino sw of Trona; Poison Canyon Comment
  UC908846  Gilia cana subsp. bernardina Herbert L. Mason 1926-4-27 3076 San Bernardino se Lucerne Post Office (Box S Ranch, Mohave Desert); Mohave Desert, Box S Ranch Comment
  UC908856  Gilia sinuata Herbert L. Mason 1935-3-28 8197 San Bernardino twelve mi w Barstow; Mohave Desert, w of Barstow Comment
  UC963783  Linanthus concinnus Herbert L. Mason 1927-6-15 3786 San Bernardino trail to summit of Mount Baldy (Mount San Antonio) San Gabriel Mountains, Mount Baldy (Mount San Antonio) 2133 Comment
  CAS-BOT-BC225410  Gilia latiflora subsp. latiflora Herbert L. Mason 1926-4-28 3109 San Bernardino Cajon Pass Comment
  CAS-BOT-BC407838  Gilia ochroleuca subsp. ochroleuca Herbert L. Mason 1935-3-29 8215 San Bernardino Mohave Desert, 3 miles N of Johannesburg on road to Searles Lake Comment
  CAS-BOT-BC514478  Eriastrum eremicum subsp. eremicum Herbert L. Mason 1926-4-27 3070 San Bernardino Near Victorville Comment
  SEINET10461043  Nemacladus ramosissimus Mason 1935-4-30 Mason 8281 b San Bernardino Poison Canyon Comment
  SEINET8726695 Image available Thamnosma montana Herbert L. Mason 1952-1 14244 San Bernardino Mountain Pass, east of Las Vegas Comment
  UC581181  Stylocline psilocarphoides H. L. Mason 1935-3-29 8214 San Bernardino between Johannesburg and Searles Lake; Mojave Desert Comment
  UC908220  Gilia minor Herbert L. Mason 1935-3-28 8200 San Bernardino one mi n Kramer Junction (Mohave Desert); , n of Kramer Junction Comment
  UC908509  Gilia cana subsp. speciosa Herbert L. Mason 1935-3-29 8212 San Bernardino Red Rock Canyon; Mohave Desert Comment
  CAS-BOT-BC211489  Helianthemum scoparium H. L. Mason 1926-4-30 3118 San Diego Pala Grade to Palomar Mountain Comment
  CAS-BOT-BC235516  Keckiella antirrhinoides H. L. Mason 1926-4-30 3124 San Diego Pala Grade Comment
  CAS-BOT-BC53131  Ceanothus perplexans Herbert L. Mason; Peirson; Munz 1926-4-30 3173 San Diego Palomar Mt. Comment
  CAS-BOT-BC64572  Styrax redivivus Herbert L. Mason 1926-4-30 3138 San Diego San Luis Rey River, 4 mi. below Henshaw dam, Mr. Warner's Ranch. Comment
  SD45368  Leptosiphon lemmonii Herbert L. Mason 1926-5-1 3179 San Diego Oak Grove Comment
  UC1081503  Castilleja applegatei subsp. martinii H. L. Mason 1926-5-1 3162 San Diego Palomar Mountain Comment
  UC1100672  Cyperus erythrorhizos Herbert L. Mason and S. Galen Smith 1948-9-7 622 San Diego ca. 5 mi. s. Escondido (Lake Hodges); Lake Hodges Comment
  UC565543  Malacothrix clevelandii Herbert L. Mason 1926-5-1 3171 San Diego Palomar Mt. Comment
  UC566834  Lomatium dasycarpum subsp. dasycarpum H. L. Mason 1926-4-30 3143 San Diego fields near Henshaw Dam Comment
  UC566878  Apiastrum angustifolium H. L. Mason 1926-4-30 3150 San Diego Oak Grove 853 Comment
  UC581491  Viola purpurea subsp. quercetorum H. L. Mason 1926-5-1 3163 San Diego on upper slopes of Palomar Mountain Comment
  UC634612  Ceanothus greggii var. perplexans Herbert L. Mason 1926-5-1 3161 San Diego Mount Palomar Comment
  UC634613  Ceanothus greggii var. perplexans H. L. Mason 1926-5-1 3173 San Diego Palomar Mt. Comment
  UC634622  Ceanothus oliganthus var. oliganthus Herbert L. Mason 1926-5-1 3155 San Diego Palomar Mt., San Diego Co. Comment
  UC634832  Garrya flavescens H. L. Mason 1926-5-1 3160 San Diego Palomar Mountain Comment
  UC635200  Rhus integrifolia H. L. Mason 1925-4-18 1499 San Diego Hills back of Navy Fuel Dock Comment
Read comments Feb 27 2017
  UC635276  Oenothera californica subsp. californica H. L. Mason 1926-5-1 3180 San Diego Oak Grove Comment
  UC635300  Astragalus gambelianus H. L. Mason 1926-4-30 3141 San Diego fields near Henshaw Dam; near Henshaw Dam Comment
  UC673598  Vicia americana var. americana Herbert L. Mason 1926-5-1 3158 San Diego Palomar Mountain Comment
  UC908675  Eriastrum sapphirinum Herbert L. Mason 1926-4-30 3122 San Diego Temecula to Pala; Temecula Canyon, Pala Grade Comment
  UC908893  Gilia diegensis Herbert L. Mason 1926-5-1 3175 San Diego summit of Palomar Mt. Comment
  CAS-BOT-BC191284  Chorizanthe fimbriata var. fimbriata H. L. Mason 1926-4-30 3127 San Diego Tenescal Canyon, Pala Grande (to Palomar Mountain) Comment
  CAS-BOT-BC515018  Eriastrum sapphirinum subsp. dasyanthum Herbert L. Mason 1926-4-30 3122 San Diego Pala Grade, Temecula Canyon, Temecula to Pala Comment
  CAS-BOT-BC191568  Chorizanthe cuspidata var. cuspidata Herbert L. Mason 1926-4-18 2871 San Francisco San Francisco Comment
  RSA310955  Gilia capitata subsp. chamissonis H. L. Mason 1926-5-9 3207 San Francisco Merced Lake Comment
  UC1179037  Polygonum paronychia Herbert L. Mason 1926-4-18 2872 San Francisco San Francisco; sand dunes Comment
  UC555353  Trifolium depauperatum var. amplectens H. L. Mason 1928-4-25 4376 San Francisco Hunter's Point Comment
  UC555419  Lotus strigosus Herbert L. Mason 1926-4-19 2866 San Francisco San Francisco Comment
  UC555593  Trifolium gracilentum H. L. Mason 1928-4-25 4370 San Francisco Hunter's Point Comment
  UC566711  Lasthenia minor H. L. Mason 1926-4-18 2875 San Francisco Sand dunes Comment
  UC566860  Sanicula arctopoides H. L. Mason 1927-3-11 3653 San Francisco San Francisco, Bernal Heights Bernal Heights; San Francisco, Bernal Heights Comment
  UC570679  Solanum americanum Herbert L. Mason 1924-10-19 1129 San Francisco San Francisco Sand Dunes, Merced Lake Merced Lake; San Francisco Sand Dunes, Merced Lake Comment
  UC635050  Chorizanthe cuspidata var. cuspidata Herbert L. Mason 1926-4-18 2871 San Francisco Comment
  UC672221  Solidago elongata H. L. Mason 1924-10-19 1124 San Francisco Merced Lake , Merced Lake (San Francisco) Comment
  UC673363  Dodecatheon clevelandii subsp. patulum Herbert L. Mason 1925-3-1 1261 San Francisco Bernal Heights San Francisco, Bernal Heights Comment
  UC673512  Zigadenus fremontii H. L. Mason 1927-3-11 3652 San Francisco Bernal Heights San Francisco Comment
  CAS-BOT-BC400161  Ceratophyllum demersum H. L. Mason 1938-6-12 11851 San Joaquin Trapper Slough, Robert's Island, south-west of Holt Comment
  CAS-BOT-BC54448  Erysimum capitatum H. L. Mason 1932-3-19 6820 San Joaquin Two miles east of Midway between Mountain House and Tracy. Comment
  CAS-BOT-BC83364  Myosurus minimus H. L. Mason 1930-4-1 5548 San Joaquin Ten miles east of Stockton. Comment
  POM313128  Carex comosa H. L. Mason 1928-9-30 4957 San Joaquin San Joaquin Delta near Holt. Comment
  SEINET5765431 Image available Egeria densa H. L. Mason 1938-1 12075 San Joaquin Trapper Slough, Roberts Island, SW of Holt Comment
  UC1099894  Potamogeton crispus Herbert L. Mason, Verne Grant 1946-8-21 13068 San Joaquin sw of Holt; Trapper's Slough Comment
  UC1100423  Carex comosa Herbert L. Mason 1928-9-30 4957 San Joaquin near Holt; San Joaquin Delta Comment
  UC1101024  Juncus effusus subsp. pacificus Herbert L. Mason and Verne Grant 1946-8-21 13062 San Joaquin w of Stockton (on Borden Highway) Comment
  UC1191165  Sidalcea hirsuta Herbert L. Mason 1928-5-3 4451 San Joaquin 4 mi n Clements; n of Clements Comment
  UC565490  Monolopia lanceolata H. L. Mason 1932-3-19 6827 San Joaquin 2 mi e Midway (between Mountain House and Tracy) Comment
  UC565492  Lasthenia glaberrima H. L. Mason 1932-4-24 6972 San Joaquin 11 mi s Clements Comment
  UC565548  Microseris douglasii subsp. douglasii H. L. Mason 1932-3-19 6832 San Joaquin 2 mi e Midway Comment
  UC570740  Lycopus americanus H. L. Mason 1929-9-9 5423 San Joaquin Holt Comment
  UC570780  Callitriche heterophylla var. bolanderi H. L. Mason 1929-4-7 5202 San Joaquin 4 mi e Clements Comment
  UC629711  Wolffiella lingulata H. L. Mason 1937-6-21 11548 San Joaquin 0.5 mi sw Holt, Roberts Island (Trappers Slough); Trappers Slough Comment
  UC629721  Hesperevax caulescens H. L. Mason 1939-4-16 12081 San Joaquin Junction of Austin Road and Little John Creek; Stockton Comment
  UC632739  Elodea canadensis H. L. Mason 1939-4-16 12080 San Joaquin about 9 mi se Stockton (at junction of Austin Road and Little John Creek); Burnham Quad. Comment
  UC635134  Wolffiella lingulata H. L. Mason 1938-8-26 12072 San Joaquin Trappers Slough San Joaquin River, Roberts Island (Roberts Island, delta of the San Joaquin River) Comment
  UC635135  Wolffiella lingulata H. L. Mason 1937-6-21 11548 San Joaquin 0.5 mi sw Holt, Roberts Island (Trappers Slough); Trappers Slough Comment
  UC694158  Psilocarphus brevissimus var. brevissimus H. L. Mason 1932-4-24 6967 San Joaquin 11 mi s Clements Comment
  UC912221  Bidens frondosa Herbert L. Mason 1928-9-30 4956 San Joaquin near Holt (San Joaquin Delta); San Joaquin Delta Comment
  UC936194  Alopecurus saccatus H. L. Mason 1932-4-24 6969 San Joaquin 11 mi. s. Clements Comment
  UC963752  Navarretia leucocephala subsp. leucocephala H. L. Mason 1928-5-3 4455 San Joaquin 4 mi n Clements Comment
  POM313088  Schoenoplectus acutus var. occidentalis H. L. Mason, Verne Grant 1946-8-21 13070 San Joaquin Middle River bridge, Victoria Island. Comment
  RSA312538  Polygonum punctatum H. L. Mason 1928-9-30 4969 San Joaquin San Joaquin Delta near Holt. Comment
  UCD138273  Potamogeton illinoensis Herbert L. Mason; Verne Grant 1946-8-21 13069 San Joaquin Trapper's Slough, southwest of Holt. Comment
  UCD98167  Herniaria hirsuta var. cinerea Herbert L. Mason 1932-3-19 6825 San Joaquin 2 miles east of Midway, between Mountain House and Tracy. Comment
  CAS-BOT-BC323010  Stylocline masonii H. L. Mason 1935-3-30 8252 San Luis Obispo Cholame Valley Comment
  UC581171  Stylocline masonii H. L. Mason 1935-3-30 8252 San Luis Obispo Cholame Valley Comment
  UC634594  Eriogonum parvifolium H. L. Mason 1929-10-12 5499 San Luis Obispo 9 mi e Morro Bay Comment
  UC665612  Eriastrum densifolium subsp. densifolium Herbert L. Mason 1941-7-1 12466 San Luis Obispo mesa w Nipomo 106 Comment
  UC672201  Pseudognaphalium californicum H. L. Mason 1934-4-1 San Luis Obispo Cambria Pines, near Cambria; Cambria Pines Comment
  UC908292  Linanthus dichotomus Herbert L. Mason 1935-3-30 8253 San Luis Obispo Cholame Valley Comment
  UC908684  Leptodactylon californicum Herbert L. Mason 1923-6-21 527 San Luis Obispo Santa Margarita Comment
  CAS-BOT-BC226836  Linanthus californicus Herbert L. Mason 1941-3-28 12402 San Luis Obispo North end of Nipomo Mesa 76 Comment
  CAS-BOT-BC52267  Ceanothus thyrsiflorus Herbert L. Mason 1934-4-1 s.n. San Luis Obispo Twenty miles North of Cambria Comment
  RSA28649  Prunus fasciculata var. punctata H. L. Mason 1941-3-28 12403 San Luis Obispo North end of Nipomo mesa. 76 Comment
  SEINET190451  Navarretia atractyloides Herbert L. Mason 1941-7-1 12468 San Luis Obispo North end of Nipomo county 76 Comment
  SFV16119  Phacelia ciliata S. Mason, J. Artero 1995-4-1 49 San Luis Obispo Carrizo Plain Carrizo Plain Natural Area. Off Simler Road, 0.7 miles from Soda Lake Road. Saline, alkaline area near Soda Lake. 610 Comment
  UC1076264  Lonicera interrupta Herbert L. Mason 1929-10-12 5492 San Luis Obispo 8.4 mi from Atascadero Comment
  UC1076552  Salicornia virginica Herbert L. Mason 1929-10-13 5504 San Luis Obispo 2.5 mi n Cambria Comment
  UC1083221  Quercus agrifolia Herbert L. Mason 1929-10-13 5501 a San Luis Obispo 2.5 mi n Cambria Comment
  UC1093959  Prunus fasciculata var. punctata Herbert L. Mason 1936-3-7 10992 San Luis Obispo 2 mi w of Nipomo; Nipomo Mesa Comment
  UC1093970  Deinandra pentactis Herbert L. Mason 1929-10-12 5488 San Luis Obispo 5.2 mi from Atascadero Comment
  UC566930  Asclepias eriocarpa H. L. Mason 1929-10-12 5495 San Luis Obispo 9 1/2 mi w Atascadero; Morro Creek Comment
  UC570960  Ribes speciosum Herbert L. Mason 1929-10-12 5485 San Luis Obispo 4.3 mi w Atascadero; Atascadero Creek Comment
  UC571165  Platanus racemosa H. L. Mason 1929-10-12 5484 San Luis Obispo 4.3 mi w Atascadero; Atascadero Creek Comment
  UC634753  Epilobium canum subsp. canum H. L. Mason 1929-10-12 5483 San Luis Obispo 4.3 mi w Atascadero; Atascadero Creek Comment
  UC634827  Cornus glabrata H. L. Mason 1929-10-12 5486 San Luis Obispo 4.3 mi. w. Atascadero (along Atascadero Creek) Comment
  UC635058  Chorizanthe obovata H. L. Mason 1923-6-22 532 San Luis Obispo just above San Luis Obispo (Camp Fremont); above San Luis Obispo, Camp Fremont Comment
  UC635060  Chorizanthe staticoides Herbert L. Mason 1923-6-22 531 San Luis Obispo just above San Luis Obispo (Camp Fremont); just above San Luis Obispo, Camp Fremont Comment
  UC665600  Navarretia hamata subsp. parviloba Herbert L. Mason 1941-7-1 12468 San Luis Obispo n end Nipomo mesa; Nipomo 76 Comment
  UC665649  Prunus fasciculata var. punctata Herbert L. Mason 1941-3-28 12403 San Luis Obispo north end of Nipoma mesa Nipoma mesa 76 Comment
  UC673373  Fritillaria biflora Herbert L. Mason 1934-3-31 8057 San Luis Obispo 6 mi n of Cambria Comment
  UC908540  Leptodactylon californicum Herbert L. Mason 1935-5-25 8318 San Luis Obispo Cuyama River n Santa Maria; Cuyama River Comment
  UC912311  Isocoma menziesii var. sedoides Herbert L. Mason 1929-10-13 5501 San Luis Obispo 2.5 mi n Cambria Comment
  UCD54402  Quercus lobata Herbert L. Mason 1929-10-12 5489 San Luis Obispo San Luis Obispo Co: 5.2 miles from Atascadero. Comment
  CAS-BOT-BC112608  Isolepis cernua Herbert L. Mason 1921-6-2 s.n. San Mateo Pebble Beach near Pescadero Comment
  CAS-BOT-BC134794  Quercus wislizeni H. L. Mason 1929-12-1 s.n. San Mateo Swanton Comment
  CAS-BOT-BC304564  Grindelia hirsutula H. L. Mason 1921-7-3 s.n. San Mateo Pescadero - La Honda Road Comment
  CAS-BOT-BC319632  Hieracium albiflorum H. L. Mason 1921-7-14 s.n. San Mateo Pescadero Creek Comment
  CAS-BOT-BC391924  Anemone grayi H. L. Mason 1927-4-24 3698 San Mateo La Honda Comment
  CAS-BOT-BC445198  Montia parvifolia H. L. Mason 1921-7-1 s.n. San Mateo Pescadero Creek Comment
  CAS-BOT-BC56663  Rhododendron occidentale H. L. Mason 1921-7-3 s.n. San Mateo Butano Ridge Comment
  CAS-BOT-BC632  Dendromecon rigida subsp. rigida Herbert L. Mason 1921-7-1 s.n. San Mateo Butano Ridge. Comment
  CAS-BOT-BC99518  Baccharis pilularis H. L. Mason 1922-3-27 s.n. San Mateo near mouth of Arroyo de los Frijoles Comment
  JROH1321  Berberis pinnata subsp. pinnata H. L. Mason 1922-3-9 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; between "Zoo Shack" and sandstone caves Comment
  JROH4554  Allium lacunosum var. lacunosum H. L. Mason 1921-5-13 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA112479  Prunus subcordata H. L. Mason 1921-3-9 s.n. San Mateo Near zoo, shack. At edge of Redwoods. Jasper Ridge. Comment
Read comments Sep 19 2011
  UC1100530  Cyperus eragrostis Herbert L. Mason and Verne Grant 1946-8-28 13083 San Mateo at entrance to county prison San Francisco Comment
  UC1101029  Juncus hesperius Herbert L. Mason and Verne Grant 1946-8-28 13088 San Mateo s of San Francisco (on Santa Cruz-Daly City Road #5) Comment
  UC1190033  Scirpus cernuus H. L. Mason 1921-6-2 San Mateo Pebble Beach near Pescadero; Pebble Beach near Pescadero Comment
  UC555316  Aphanes occidentalis Herbert L. Mason 1927-4-23 3688 San Mateo Summit of road between La Honda and Pescadero Creek Comment
  UC555624  Potentilla anserina subsp. pacifica Herbert L. Mason 1927-4-24 3701 San Mateo mouth of San Gregorio Creek Comment
  UC571033  Vaccinium ovatum Herbert L. Mason 1927-4-23 3671 San Mateo La Honda Comment
  UC635366  Calandrinia ciliata Herbert L. Mason 1927-4-23 3691 San Mateo roadside between La Honda and Pescadero Creek Comment
  UC635685  Marah oregana H. L. Mason 1927-4-23 3681 San Mateo between La Honda and Pescadero Creek Comment
  UC912455  Plectritis brachystemon Herbert L. Mason 1927-4-23 3689 San Mateo between La Honda and Pescadero Creek Comment
  UC912474  Symphyotrichum chilense Herbert L. Mason 1927-10-4 4130 San Mateo Mouth of Waddell Creek, Ano Nuevo Pt. Ano Nuevo Pt., Waddell Creek Comment
  UCD102559  Myriophyllum sibiricum Herbert L. Mason; Verne Grant 1946-8-28 13079 San Mateo North of San Francisco County Prison. Comment
  CAS-BOT-BC274589  Centaurea calcitrapa H. L. Mason 1921-10-1 s.n. San Mateo County Hospital, Belmont-Crystal Springs Rd Comment
  CAS-BOT-BC483178  Brodiaea terrestris subsp. terrestris H. L. Mason 1917-4-10 113 San Mateo Crystal Springs Lake Comment
  JROH2921  Hesperolinon micranthum Herbert L. Mason 1921-5-18 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; top of Jasper Ridge Comment
  POM193749  Potamogeton nodosus H. L. Mason 1921-5-28 s.n. San Mateo Unspecified. Comment
  RSA0082794  Pyrola aphylla H. L. Mason 1921-7-3 s.n. San Mateo Butano Ridge. Comment
  RSA312360  Salicornia maritima H. L. Mason, Malcolm Nobs 1948-12-11 713 San Mateo Hwy 101 near shore of bay, at Whipple Avenue intersection, Redwood City. Comment
  RSA84449  Anemone grayi H. L. Mason 1927-4-24 3698 San Mateo La Honda Comment
  UC1076484  Sagina decumbens subsp. occidentalis Herbert L. Mason 1927-4-23 3685 San Mateo outcrop on rd. from La Honda to Pescadero Creek Comment
  UC1191409  Salicornia europaea Herbert L. Mason and Malcolm A. Nobs 1948-12-11 713 San Mateo Highway 101, near shore of bay, at Whipple Avenue intersection, Redwood City Redwood City Comment
  CAS-BOT-BC422829  Papaver californicum H. L. Mason 1938-5-7 11790 Santa Barbara Burton Mesa, northwest of Lompoc Comment
  CAS-BOT-BC82850  Dendromecon harfordii Herbert L. Mason 1927-9-25 4105 Santa Barbara Santa Cruz Island. Along roadway through Buena Vista Canyon. Comment
  JEPS18575  Brickellia californica Herbert L. Mason 1957-9-23 4083 Santa Barbara Prisoners Harbor, Santa Cruz Island. Comment
  JEPS36604  Malacothrix saxatilis var. implicata Herbert L. Mason 1927-9-25 4088 Santa Barbara West Ranch Santa Cruz Island Comment
  JEPS36835  Stephanomeria cichoriacea Herbert L. Mason 1927-9-23 4082 Santa Barbara canyon back of Prisoners Harbor; Santa Cruz Island Comment
  JEPS38650  Arctostaphylos glandulosa subsp. glandulosa Herbert L. Mason 1927-9-25 4106 Santa Barbara Pine Ridge Santa Cruz Island, Buena Vista Canyon Comment
  JEPS45598  Lyonothamnus floribundus subsp. aspleniifolius Herbert L. Mason 1927-9-25 4109 Santa Barbara hills about Pelican Bay (in canyons); Santa Cruz Island Comment
  RSA170175  Phyllospadix torreyi H. L. Mason 1927-11-26 s.n. Santa Barbara Carpinteria. Comment
  RSA79876  Solanum umbelliferum H. L. Mason 1923-6-15 382 Santa Barbara Harris Grade. Comment
  SD44527  Eastwoodia elegans Herbert L. Mason 1941-7-3 12490 Santa Barbara Head of Cuyama Valley, 14 miles west of Maricopa 760 Comment
Read comments Apr 29 2014
  SD47974  Chorizanthe staticoides Herbert L. Mason 1946-6-7 12824 Santa Barbara Middle Camuesa Camp, Camuesa canyon Comment
  SD47975  Chorizanthe obovata Herbert L Mason 1946-6-7 12822 Santa Barbara Mono Flat, 0.5 mile west of Camuesa Comment
  SEINET3836444 Image available Eriogonum arborescens Herbert L. Mason 1927-9-23 4084 Santa Barbara Prisoners Harbor, Santa Cruz Island Comment
  UC1076344  Selaginella bigelovii Herbert L. Mason 1923-6-16 444 Santa Barbara Santa Barbara to La Cumbre Peak (via La Cumbre trail and Rattlesnake Canyon) Comment
  UC1076493  Atriplex californica Herbert L. Mason 1927-11-27 4141 Santa Barbara Carpenteria Carpenteria (along Ocean Bluff) Comment
  UC1077084  Galium andrewsii subsp. intermedium Herbert L. Mason 1946-6-7 12830 Santa Barbara ridge between Camuesa Creek and Oso Creek (s of Little Pine Mt.) 762 Comment
  UC1077125  Castilleja exserta subsp. exserta Herbert L. Mason 1938-5-7 11788 Santa Barbara Burton Mesa Comment
  UC1083199  Pinus muricata Herbert L. Mason 1937-2-21 11541 Santa Barbara near Lompoc; Burton Mesa, Pine Canyon Comment
  UC1083218  Quercus tomentella Herbert L. Mason 1927-9-25 4102 Santa Barbara pass from west ranch to Prisoners Harbor; Santa Cruz Island Comment
  UC1083382  Pinus Herbert L. Mason 1941-3-27 12390 Santa Barbara Burton Mesa Pine Canyon, Burton Mesa (Pine Canyon, w Santa Barbara County) Comment
  UC1093668  Chorizanthe staticoides Herbert L. Mason 1946-6-7 12824 Santa Barbara Middle Camuesa Camp Camuesa Canyon Comment
  UC1093897  Allium crispum Herbert L. Mason 1938-5-8 11792 Santa Barbara road to Figueroa Mountain 1066 Comment
  UC1093898  Mentzelia veatchiana Herbert L. Mason 1938-5-8 11799 Santa Barbara vicinity Figeuroa Mountain summit Comment
  UC1093973  Pseudognaphalium californicum Herbert Mason 1938-5-7 11787 Santa Barbara Burton Mesa Comment
  UC565578  Penstemon heterophyllus var. australis Herbert L. Mason 1923-6-16 454 Santa Barbara Rattlesnake Canyon La Combre Peak, <La Cumbre Peak> Rattlesnake Canyon Comment
  UC565588  Keckiella cordifolia Herbert L. Mason 1926-6-15 421 Santa Barbara Gaviota Pass Comment
  UC566764  Eriophyllum confertiflorum var. confertiflorum H. L. Mason 1923-6-15 392 Santa Barbara Harris grade Comment
  UC570719  Trichostema lanatum H. L. Mason 1923-6-16 438 Santa Barbara La Combre peak via La Combre Trail and Rattlesnake Canyon Comment
  UC570983  Rhamnus californica subsp. californica Herbert L. Mason 1923-7-14 423 Santa Barbara Gaviota Pass Comment
Read comments Apr 2 2007
  UC571017  Brickellia californica Herbert L. Mason 1927-9-23 4083 Santa Barbara canyon back of Prisoners (Santa Cruz Island); Santa Cruz Island Comment
  UC571032  Vaccinium ovatum Herbert L. Mason 1927-9-25 4101 Santa Barbara Pine Ridge, slopes toward West Ranch Santa Cruz Island Comment
  UC573074  Cryptantha clevelandii H. L. Mason 1923-6-15 400 Santa Barbara Harris Grade La Purissima Ridge Comment
  UC604431  Centunculus minimus H. L. Mason 1938-5-7 11777 Santa Barbara Burton Mesa nw of Lompoc; Burton Mesa Comment
  UC632866  Crocanthemum scoparium var. scoparium H. L. Mason 1938-5-7 11775 Santa Barbara Burton Mesa Comment
  UC634525  Eriogonum fasciculatum var. foliolosum H. L. Mason 1923-6-15 381 Santa Barbara Harris Grade between Harris and Lompoc; La Purisima Ridge, Harris Grade Comment
  UC634796  Ceanothus arboreus Herbert L. Mason 1927-9-25 4104 Santa Barbara Buena Vista Canyon, along roadway Santa Cruz Island Comment
  UC634799  Ceanothus oliganthus var. sorediatus H. L. Mason 1923-6-16 433 Santa Barbara La Cumbre Peak Comment
  UC634801  Ceanothus crassifolius Herbert L. Mason 1923-6-16 434 Santa Barbara La Combre Peak Comment
  UC634919  Salvia spathacea H. L. Mason 1923-6-15 389 Santa Barbara Harris Grade; La Purisima Ridge Comment
  UC634996  Eriogonum arborescens Herbert L. Mason 1927-9-24 4095 Santa Barbara near West Willow Creek; Santa Cruz Creek Comment
  UC635052  Chorizanthe diffusa H. L. Mason 1923-6-15 397 Santa Barbara Harris grade on La Purisima Ridge (between Harris and Lompoc); Harris Grade on La Purisima Ridge Comment
  UC635213  Rhus trilobata H. L. Mason 1923-6-16 451 Santa Barbara La Combre Trail, Rattlesnake Canyon between Santa Barbara and LaCombre Peak Comment
  UC672211  Pseudognaphalium thermale H. L. Mason 1934-3-31 8039 Santa Barbara between Harris and Lompoc (e base of Harris Grade); Harris Grade Comment
  UC673396  Lilium humboldtii Herbert L. Mason 1923-6-15 417 Santa Barbara Gaviota Pass Comment
  UC694162  Psilocarphus tenellus Lucile Mason 1934-3-31 8040 Santa Barbara Lompoc Comment
  UC753519  Phacelia viscida Herbert L. Mason 1946-6-7 12840 Santa Barbara road between Camuesa Creek and Hidden Potrero; San Rafael Range 914 Comment
  UC753535  Sanicula graveolens Herbert L. Mason 1946-6-8 12860 Santa Barbara San Rafael Range, Big Pine Mountains Big Pine Mountains; San Rafael Range, Big Pine Mountains 1981 Comment
  UC907801  Collomia grandiflora Herbert L. Mason 1946-6-8 12848 Santa Barbara Bluff Camp Big Pine Mountain Comment
  UC907832  Linanthus parviflorus Herbert L. Mason 1938-5-8 11805 Santa Barbara vicinity Figueroa Mountain summit; Figueroa Mountain 1371 Comment
  UC907854  Navarretia hamata subsp. parviloba H. L. Mason 1923-6-15 413 Santa Barbara near Harris Station; Purisima Hills, Harris Grade Comment
  UC907864  Linanthus parviflorus Herbert L. Mason 1938-5-8 11793 Santa Barbara road to Figueroa Mountain Comment
  UC908088  Leptodactylon californicum Herbert L. Mason 1923-6-15 410 Santa Barbara Harris Grade near Harris Station; Harris Grade near Harris Station Comment
  UC908163  Eriastrum densifolium subsp. elongatum Herbert L. Mason 1923-6-15 412 Santa Barbara Harris Grade; near summit Comment
  UC908981  Gilia capitata subsp. abrotanifolia Herbert L. Mason 1938-5-8 11798 Santa Barbara vicinity of the summit Figueroa Mountain; vicin summit Figueroa Mountain Comment
  UCD130644  Cirsium occidentale var. californicum Herbert L. Mason 1946-6-7 12831 Santa Barbara between Camuesa Creek and Oso Creek south of Little Pine Mountain, Santa Barbara. 762 Comment
  UCD45055  Quercus agrifolia Herbert L. Mason 1938-5-8 11809 Santa Barbara Vicinity of the summit of Figueroa Mountain, Santa Barbara County. Comment
  UCD47349  Quercus tomentella Herbert L. Mason 1927-9-25 4102 Santa Barbara Occasional in forests and canyons. Pass from West Ranch to Prisoner's harbor, Santa Cruz Island, Santa Barbara Co. Comment
Read comments Apr 29 2014
  UCSB36888  Vicia americana Mason, Renee 1980-3-26 Santa Barbara 1 1/2 miles down Willows Canyon Rd., Santa Cruz Island 76 Comment
  CAS-BOT-BC514846  Eriastrum pluriflorum subsp. pluriflorum Herbert L. Mason 1941-7-3 12489 Santa Barbara Head of Cuyama Valley, 14 mi W of Maricopa 762 Comment
  RSA0120850  Eriastrum pluriflorum subsp. pluriflorum H. L. Mason 1941-7-3 12489 Santa Barbara Head of Cuyama Valley, fourteen miles west of Maricopa. 762 Comment
  SEINET8731330  Eriodictyon capitatum Herbert L. Mason 1947-1 Santa Barbara Comment
  UCSB44116  Delphinium parryi Mason, Renee 1980-4-13 Santa Barbara to the right on Mono Debris Dam Comment
  UCSB44117  Spartium junceum Mason, Renee 1980-4-14 Santa Barbara Gibraltar Road, 1 mile after Rattlesnake Canyon parking area, on right side of road Comment
  UCSB44752  Solanum lanceolatum Mason, Renee 1980-4-14 Santa Barbara Gibralter Road, 1/4 mile before Rattlesnake Canyon parking area Comment
  CAS-BOT-BC136605  Piperia michaelii H. L. Mason 1921-6-20 s.n. Santa Clara Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC87222  Streptanthus glandulosus subsp. glandulosus H. L. Mason 1917-4-21 123 Santa Clara Permanente Creek. Comment
  HSC17088  Leptosiphon ambiguus H. L. Mason 1933-4-21 7197 Santa Clara Road above Smith's Creek on slopes of Isabel Creek, Mt. Hamilton Range Comment
  POM310953  Leptosiphon ambiguus H. L. Mason 1933-4-21 7197 Santa Clara Road above Smith's Creek on slopes of Isabel Creek, Mount Hamilton. Comment
  RSA131014  Lamium amplexicaule W. E. Mason 1917-04 s.n. Santa Clara Campus Stanford University. Comment
  SEINET190348  Micropus californicus var. californicus H. L. Mason 1932-4-17 6936 Santa Clara 1 mi E of New Almaden Comment
  SEINET5764401 Image available Chenopodium californicum H. L. Mason 1917-1 s.n. Santa Clara Stanford University Comment
  UC1028677  Pentachaeta alsinoides Herbert L. Mason 1933-4-21 7195 Santa Clara road above Smith's Creek (on slopes of Isabel Creek); Isabel Creek Comment
  UC1076265  Microseris douglasii Herbert L. Mason 1932-4-17 6937 Santa Clara hill 1 mi e New Almaden Comment
  UC1093911  Corethrogyne filaginifolia Herbert L. Mason 1936-9-13 11529 Santa Clara w Madrone Station Comment
  UC1093954  Lessingia micradenia var. glabrata Herbert L. Mason 1936-9-13 11528 Santa Clara w Madrone Station Comment
  UC1101433  Limosella acaulis Herbert L. Mason and S. Galen Smith 1948-8-9 8293 Santa Clara just w summit Pacheco Pass; Pacheco Pass, just w of summit Comment
  UC570760  Callitriche marginata H. L. Mason 1932-4-17 6961 Santa Clara Pacheco Pass, near summit Comment
  UC672454  Limosella acaulis H. L. Mason 1932-4-17 6960 Santa Clara near summit of Pacheco Pass; near summit of Pacheco Pass Comment
  UC672594  Idahoa scapigera H. L. Mason 1933-4-21 7209 Santa Clara n of Packard Ridge (headwaters of Alameda Creek); Mount Hamilton Range, Alameda Creek Comment
  UC673614  Micropus californicus var. californicus Herbert L. Mason 1932-4-17 6936 Santa Clara hill 1 mi e New Almaden Comment
  UC907983  Linanthus androsaceus Herbert L. Mason 1933-4-21 7206 Santa Clara n of Packard Ridge; Headwaters of Alameda Creek Comment
  UC908392  Phlox gracilis Herbert L. Mason 1933-4-21 7193 Santa Clara lower slopes of Mt. Hamilton Mt. Hamilton Comment
  UC908951  Linanthus androsaceus Herbert L. Mason 1933-4-21 7194 Santa Clara road above Smith Creek (on slopes of Isabel Creek); Mount Hamilton Range, Isabel Creek Comment
  UC912238  Cotula coronopifolia Herbert L. Mason 1932-4-17 6958 Santa Clara summit Pacheco Pass Comment
  UC963811  Navarretia cotulifolia H. L. Mason 1932-4-17 6954 Santa Clara se of Gilroy (Miller and Lux ranch) Comment
  CAS-BOT-BC162550  Clarkia affinis H. L. Mason 1932-4-17 6947 Santa Clara Uvas-Almaden Road Comment
  CAS-BOT-BC267168  Potamogeton foliosus H. L. Mason 1921-5-23 s.n. Santa Clara Lagunita Stanford Campus Comment
  POM176895  Ribes californicum H. L. Mason, H. A. Borthwick 1921-3-20 s.n. Santa Clara [Guadalupe Canyon.] Comment
  RSA0103882  Eriastrum abramsii H. L. Mason 1935-5-9 8313 Santa Clara Divide between headwaters of Arroyo Mocho and Colorado Creek, Mount Hamilton Range. 838 Comment
  RSA131292  Stachys bullata W. E. Mason 1907-04 s.n. Santa Clara Stanford University campus. Comment
  SEINET8729321 Image available Linanthus ambiguus Herbert L. Mason 1933-1 7197 Santa Clara Road above Smith's Creek on slopes of Isabel Creek, Mount Hamilton Range Comment
  UC672238  Micropus californicus var. californicus H. L. Mason 1933-4-21 7189 Santa Clara Hendrick's Road Comment
  UC673615  Micropus californicus var. californicus Herbert L. Mason 1933-4-21 7188 Santa Clara junction of Mount Hamilton and Hendrick's Road Comment
  UC908558  Linanthus bicolor Herbert L. Mason 1943-4-15 12562 Santa Clara w side Pacheco Pass (border of Santa Clara and Merced Counties) Comment
  UC908810  Gilia achilleifolia subsp. multicaulis Herbert L. Mason 1933-4-21 7200 Santa Clara slopes of Packard Ridge n Mt. Hamilton; n of Mount Hamilton, slopes of Packard Ridge Comment
  UC912264  Pentachaeta exilis Herbert L. Mason 1933-4-21 7192 Santa Clara lower slopes Mount Hamilton Comment
  UCD124894  Veronica Herbert L. Mason; S. Galen Smith 1948-8-9 8274 Santa Clara small reservoir, Pacheco Pass, just west of summit. Comment
  UCD99148  Salicornia pacifica H. L. Mason; Malcolm A. Nobs 1948-12-11 714 Santa Clara at north base of Pacheco Pass. Comment
  RSA112365  Rubus spectabilis var. franciscanus H. L. Mason 1922-3-29 s.n. Santa Cruz Liddell Creek near mouth of canyon. Comment
  UC1076442  Vancouveria planipetala Herbert L. Mason 1926-6-6 3382 Santa Cruz Big Basin Comment
  UC1083220  Quercus wislizeni Herbert L. Mason 1929-12-1 5513 Santa Cruz Swanton Comment
  UC1083336  Pinus radiata Herbert L. Mason 1927-10-4 4114 Santa Cruz mouth of Waddell Creek; Ano Nuevo Pt., Waddell Creek Comment
  UC1101191  Rumex crispus Herbert L. Mason 1927-10-4 4136 Santa Cruz Ano Nuevo Point Mouth of Waddell Creek Comment
  UC1101193  Rumex salicifolius var. crassus Herbert L. Mason 1927-10-4 4131 Santa Cruz Mouth of Waddell Creek Ano Nuevo Point Comment
  UC1111556  Stylocline gnaphaloides Herbert L. Mason 1947-4-25 13207 Santa Cruz near Felton; Mission Springs Comment
  UC1191116  Pinus attenuata Herbert L. Mason 1931-11-1 5894 Santa Cruz canyon above Greyhound Rock; Ano Nueva Point Comment
  UC555368  Trifolium variegatum Herbert L. Mason 1927-7-31 4011 Santa Cruz Zayante Creek Santa Cruz Mtns Comment
  UC555639  Rosa pinetorum H. L. Mason 1932-7-31 7133 Santa Cruz near mouth of Waddell Creek Comment
  UC566840  Sanicula crassicaulis Herbert L. Mason 1926-6-6 3368 Santa Cruz Felton Comment
  UC592173  Osmorhiza berteroi Herbert L. Mason 1926-6-6 3371 Santa Cruz Felton Comment
  UC634906  Crocanthemum scoparium var. vulgare Herbert L. Mason 1925-10-25 2247 Santa Cruz Pine Mt. trail Big Basin Comment
  UC635116  Verbena lasiostachys Herbert L. Mason 1926-6-6 3365 a Santa Cruz Felton Comment
  UC635398  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Herbert L. Mason 1927-10-4 4118 Santa Cruz mouth of Waddell Creek Ano Nuevo Pt. Comment
  UC672311  Baccharis glutinosa H. L. Mason 1927-10-4 4132 Santa Cruz Waddell Creek, Ano Nuevo Point Comment
  UC673604  Lathyrus torreyi Herbert L. Mason 1932-4-28 7026 Santa Cruz Soquel Canyon Santa Cruz Mountains Comment
  UC908739  Collomia heterophylla Herbert L. Mason 1926-6-6 3389 Santa Cruz open gravelly places along trails and streams Big Basin Comment
  UC912211  Ambrosia chamissonis Herbert L. Mason 1927-10-4 4126 Santa Cruz mouth Waddell Creek; Ano Neuvo Pt. Comment
  UC912321  Corethrogyne filaginifolia Herbert L. Mason 1927-10-4 4129 Santa Cruz mouth Waddell Creek; Ano Nuevo Point Comment
Read comments Jun 27 2008
  CAS-BOT-BC403653  Eschscholzia californica H. L. Mason 1922-3-29 s.n. Santa Cruz Davenport to Scott Valley Road Comment
  UC570916  Tiarella trifoliata var. unifoliata Herbert L. Mason 1925-10-25 2243 a Santa Cruz edge Woodwardia Creek (Big Basin); , edge of Woodwardia Creek Comment
  CAS-BOT-BC420171  Polygonum sawatchense subsp. sawatchense Herbert L. Mason; Verne Grant 1947-7-9 13288 Shasta Highway 299, just east of Hatchet Creek summit 1219 Comment
  JEPS22418  Mitella diversifolia Herbert L. Mason 1948-7-17 13593 Shasta along US Highway 299 just e Hatchet Mtn summit; just e of Hatchet Mtn summit Comment
  UC1101047  Juncus bufonius Herbert L. Mason and Verne Grant 1947-7-9 13287 Shasta just e Hatchet Creek summit (Highway 200) 1219 Comment
  UC1111585  Navarretia tagetina Herbert L. Mason 1947-5-15 14753 Shasta 1 mi s Boulder Creek (between La Moine and Dunsmuir) Comment
  UC1178991  Phacelia purpusii Herbert L. Mason 1947-7-8 13289 Shasta about 1.5 mi w Burney Comment
  UC1191724  Mitella diversifolia Herbert L. Mason 1948-7-17 13593 Shasta Hatchet Mountain Comment
  UC635163  Staphylea bolanderi H. L. Mason 1931-5-9 5875 Shasta Pit River Comment
  CAS-BOT-BC534893  Spirodela polyrhiza Herbert L. Mason 1955-6-8 14630 Shasta In a marsh at the bridge, west edge of Fall River Mill Comment
  CAS-BOT-BC534960  Wolffia borealis H. L. Mason 1955-6-8 14629 Shasta Bridge, W edge of Fall River Mill Comment
  UC672087  Odontostomum hartwegii Herbert L. Mason 1931-5-9 5877 Shasta hills n. Redding Comment
  UC908129  Navarretia intertexta H. L. Mason 1932-5-25 A 7204 Shasta n of Redding Comment
  UCD116493  Limnanthes alba subsp. versicolor Charles T. Mason Jr. 1949-4-25 1258 Shasta along US Highway 299 between Redding and Bella Vista. Comment
  UCD142826  Juncus xiphioides Herbert L. Mason; Verne Grant 1947-7-9 13285 Shasta Highway 299, just east of Hatchet Creek Summit. 1219 Comment
  CAS-BOT-BC389539  Silene nuda Herbert L. Mason 1952-7-19 14452 Sierra Sierra Nevada. 1.5 miles east of Calpine at junction of Calpine with Sierraville-Beckwourth road. Sierra Valley 1524 Comment
  JEPS50663  Castilleja pilosa Herbert L. Mason 1958-7-13 Sierra about 0.5 mi w Calif. Hwy. 89 (and about 2.5 mi n of Sierra-Nevada County line) 1950 Comment
  SACT000425  Beckmannia syzigachne Herbert Mason 1953-7-7 Sierra Sierra Valley; Common. Comment
  SEINET8770731 Image available Gnaphalium palustre H. L. Mason 1952-1 14451 Sierra 1.5 miles east of Calpine at junction of Calpine with Sierraville-Beckwourth road. Sierra Valley 1524 Comment
  UC1111017  Viola macloskeyi Herbert L. Mason 1945-9-9 Sierra 1 mi above Sierra City (North Fork of Yuba River); Yuba River Comment
  UC1112284  Elatine heterandra Herbert L. Mason 1952-7-19 14450 Sierra pond 1.5 mi e Calpine (at junction of Calpine with Sierraville-Beckwourth rd); Sierra Valley; E of Calpine at junction of Calpine w/ Sierraville-Beckwourth road, Sierra Valley, Sierra Co. 1524 Comment
  UC965488  Pilularia americana Herbert L. Mason 1952-7-19 14449 Sierra 1.5 mi e Calpine (at junction of Calpine with Sierraville-Beckwourth rd.); Sierra Nevada, Sierra Valley 1524 Comment
  UC965523  Elatine triandra Herbert L. Mason 1952-7-17 14385 Sierra 1.5 mi e Calpine (at junctn of Calpine and Sierraville-Beckwourth Rd); Sierra Nevada, Sierra Valley Comment
  UC965528  Navarretia intertexta subsp. propinqua Herbert L. Mason 1952-7-19 14444 Sierra 1.5 mi e Calpine (at junction of Calpine with Sierraville-Beckwourth road); Sierra Nevada, Sierra Valley 1524 Comment
  UC965657  Eleocharis engelmannii var. detonsa Herbert L. Mason 1952-7-19 14446 Sierra 1.5 mi W of Calpine (at junction of Calpine with Sierraville-Beckworth road); Sierra Valley 1524 Comment
  CAS-BOT-BC33444  Elatine gracilis Herbert L. Mason 1952-8-17 14494 Sierra 0.4 mile S of Little Truckee River Bridge 1920 Comment
  RSA0002583  Elatine gracilis H. L. Mason 1952-8-17 14494 Sierra 0.4 mi S Little Truckee River Bridge. 1921 Comment
  SEINET10460780  Porterella carnosula Mason 1952-7-19 Mason 14439 Sierra Margins of marshy pond 1.5 miles east of Calpine near junction of Sierraville-Beckwith road and Calpine road, Sierra Valley Comment
  SEINET3399386 Image available Polygonum parryi Herbert L. Mason 1957-6-21 14709 Sierra Sierra Valley, 3 mi N of Satley Comment
  SEINET3812422 Image available Porterella carnosula Herbert L. Mason 1953-7-19 14439 Sierra Margins of marshy pond 1.5 miles E os Calpine near junction of Sierraville-Beckwith road and Calpine road, Sierra Valley Comment
  SEINET4853241  Elatine gracilis Herbert L. Mason 1952-8-17 14494 Sierra 0.4 mi S of Little Truckee River bridge. 1921 Comment
  SEINET8040796  Porterella carnosula H. L. Mason 1952-7-19 14439 Sierra Sierra Valley, margins of marshy pond 1.5 miles E of Calpine, near junction of Sierraville-Beckwith road and Calpine road. Comment
  UC1112285  Elatine chilensis Herbert L. Mason 1952-7-17 14374 Sierra 0.4 mi s Little Truckee River (Hwy 89); Sierra Nevada Comment
  UC1178989  Antirrhinum vexillocalyculatum subsp. intermedium Herbert L. Mason 1945-9-9 12693 Sierra s of Downieville (Yuba River Canyon); Yuba River Canyon Comment
  UC985951 Image available Elatine gracilis Herbert L. Mason 1952-8-17 14494 Sierra 0.4 mi s Little Truckee River Bridge; Sierra Nevada; Sierra Co. 1920 Comment
  UCD96285  Myosurus apetalus Herbert L. Mason 1953-6-16 14551 Sierra Sierra County. One mile south of Beckwourth Buttes. Comment
  CAS-BOT-BC420951  Polygonum sawatchense subsp. sawatchense Herbert L. Mason 1948-7-18 13623 Siskiyou Grass Lake Comment
  JEPS3011  Nothochelone nemorosa Herbert L. Mason 1950-7-16 14062 Siskiyou Road from Happy Camp California, to Waldo Oregon Happy Camp Comment
  UC1076020  Minuartia nuttallii subsp. gregaria Herbert L. Mason 1947-5-17 14766 Siskiyou 5 mi s Callahan (on Scott Mountain Road) Comment
  UC1076030  Allium falcifolium Herbert L. Mason 1947-5-17 14764 Siskiyou on Scott Mountain road 5 mi s Callahan Comment
  UC1099990  Zannichellia palustris Herbert L. Mason 1931-5-9 5863 Siskiyou Shasta Creek Comment
  UC1101135  Polygonum amphibium var. stipulaceum Herbert L. Mason 1948-7-18 13613 Siskiyou Grass Lake Comment
  UC1101403  Trifolium cyathiferum Herbert L. Mason 1948-7-17 13604 Siskiyou eastern Grass Lake Comment
  UC1191452  Stellaria longipes var. longipes Herbert L. Mason 1948-7-18 13611 Siskiyou Grass Lake Comment
  UC1191629  Navarretia intertexta subsp. propinqua Herbert L. Mason 1948-7-17 13600 Siskiyou Eastern Grass Lake Comment
  UC1191634  Navarretia sinistra Herbert L. Mason 1948-7-17 13597 Siskiyou Eastern Grass Lake Comment
  UC1191642  Collomia tinctoria Herbert L. Mason 1948-7-18 13606 b Siskiyou Grass Lake Comment
  UC1191760  Gayophytum racemosum Herbert L. Mason 1948-7-17 13603 Siskiyou Eastern Grass Lake Comment
  UC1212419  Hesperolinon micranthum Herbert L. Mason 1937-5-15 Siskiyou 1 mi s Boulder Creek (between Lemoine and Dunsmuir) Comment
  UC635009  Eriogonum compositum var. compositum H. L. Mason 1929-5-18 5327 Siskiyou hills along Shasta Creek Canyon Shasta Creek Canyon Comment
  UC635621  Paxistima myrsinites H. L. Mason 1929-5-18 5329 Siskiyou hills along Shasta Creek Canyon Shasta Creek Canyon Comment
  UC971909  Nothochelone nemorosa Herbert L. Mason 1950-7-16 14062 Siskiyou road from Happy Camp (California) to Waldo (Oregon) Happy Camp Comment
  UC971916  Quercus sadleriana Herbert L. Mason 1950-7-16 14060 Siskiyou road from Happy Camp, California to Waldo, Oregon Comment
  UC971919  Collomia tracyi Herbert L. Mason 1950-7-15 14043 Siskiyou stream wash Scott Valley, Scott Creek Comment
  CAS-BOT-BC30448  Achillea millefolium Herbert L. Mason 1945-8-16 12659 Siskiyou Grizzly Island, near Suisun Bay Comment
  UC1212238  Hesperolinon micranthum Herbert L. Mason 1950-7-1 14046 Siskiyou on road from Callahans to summit of mountain; Scott Mountain grade Comment
  UC964790  Cordylanthus tenuis subsp. viscidus Herbert L. Mason 1950-7-16 14064 Siskiyou 5 mi s summit of road from Happy Camp CA to Waldo OR Comment
  UCD110544  Hesperolinon micranthum Herbert L. Mason 1950-7-1 14046 Siskiyou Scott Mountain grade on road from Callahan to summit of mountain. Comment
  CAS-BOT-BC223661  Frankenia salina Herbert L. Mason 1945-8-17 12667 Solano 5 miles north of Rio Vista Comment
  CAS-BOT-BC7634  Bolboschoenus maritimus Herbert L. Mason; Verne Grant 1947-6-26 13269 Solano Cordelia Slough, Suisun Marsh. Comment
  POM312867  Frankenia salina H. L. Mason 1945-8-17 12667 Solano Five miles north of Rio Vista. Comment
  UC1100772  Scirpus acutus var. occidentalis Herbert L. Mason, Verne Grant 1947-6-26 13256 Solano Suisun Marsh Cordelia Slough, Suisun Marsh Comment
  UC1100794  Scirpus californicus Herbert L. Mason, Verne Grant 1947-6-26 13268 Solano Suisun Marsh Cordelia Slough, Suisun Marsh Comment
  UC1100795  Scirpus californicus Herbert L. Mason, Verne Grant 1947-6-26 13267 Solano Suisun Marsh Cordelia Slough, Suisun Marsh Comment
  UC1100799  Scirpus californicus Herbert L. Mason, Verne Grant 1946-7-5 12904 Solano in Lake Chabot water reservoir just n Vallejo; n of Vallejo Comment
  UC1100942  Juncus balticus Herbert L. Mason and Malcolm A. Nobs 1949-4-27 725 Solano Suisun State Game Refuge Comment
  UC1101093  Juncus patens Herbert L. Mason and Verne Grant 1946-7-5 12913 Solano just n Vallejo (in Lake Chabot water reservoir); Lake Chabot Comment
  UC1191809  Apocynum cannabinum Herbert L. Mason and Verne Grant 1947-6-26 13244 Solano Suisun Marsh, Cordelia Slough Comment
  UC1192146  Achillea millefolium Herbert L. Mason 1945-8-16 12659 Solano near Suisun Bay; Grizzly Island Comment
  UC1192147  Achillea millefolium Herbert L. Mason, Verne Grant 1947-6-26 13252 Solano Cordelia Slough; Suisun Marsh Comment
  UC1240187  Typha Herbert L. Mason 1947-6-26 13257 Solano Cordelia Slough Suisun Marsh; , Cordelia Slough Comment
  UC543756  Aristolochia californica Herbert L. Mason 1927-3-27 2797 Solano rd. between Gordon Valley and Wooden Valley Comment
  UCD132949  Helminthotheca echioides Herbert L. Mason; Verne Grant 1947-6-26 13273 Solano Cordelia Slough, Suisun Marsh. Comment
  UCD58517  Bromus diandrus Herbert L. Mason; Malcolm A. Nobs 1949-4-27 723 Solano Suisun State Game Refuge. Comment
  CAS-BOT-BC433866  Rumex salicifolius Herbert L. Mason 1945-8-16 12652 Solano Grizzly Island, near Suisun Bay Comment
  CAS-BOT-BC453930  Potamogeton pectinatus Herbert L. Mason; Verne Grant 1946-7-5 12903 Solano In Lake Chabot water reservoir just north of Vallejo Comment
  POM312896  Juncus phaeocephalus var. paniculatus H. L. Mason, Verne Grant 1946-7-5 12911 Solano In Lake Chabot water reservoir just north of Vallejo. Comment
  UC1192063  Verbena hastata Herbert L. Mason 1945-8-17 12666 Solano on <dike> road 9 mi n Rio Vista Comment
  UC1192139  Cotula coronopifolia herbert l. mason, malcolm a. nobs 1949-4-27 724 Solano Suisun State Game Refuge Comment
  UC1192148  Ambrosia psilostachya Herbert L. Mason 1945-8-17 12668 Solano 1.5 mi n of Rio Vista Comment
  UC665734  Apocynum cannabinum Herbert L. Mason 1942-7-15 12555 Solano 4 1/2 mi. n.w. Vacaville (Buctown Ranch); Buctown Ranch Comment
  UCD129415  Baccharis glutinosa Herbert L. Mason 1945-8-16 12656 Solano Grizzly Island, near Suisun Bay. Comment
  UCD97714  Atriplex semibaccata Herbert L. Mason 1945-8-16 12658 Solano Grizzly Island, near Suisun Bay. Comment
  CAS-BOT-BC111865  Rhynchospora alba Herbert L. Mason 1946-7-4 12880 Sonoma Pitkin Marsh; between Santa Rosa and Forestville. Comment
  CAS-BOT-BC114686  Cyperus bipartitus Herbert L. Mason 1946-7-4 12884 Sonoma Pitkin Marsh, between Santa Rosa and Forestville. Comment
  CAS-BOT-BC226736  Leptosiphon latisectus Herbert L. Mason 1928-4-8 4289 Sonoma Coast, 2 miles north of Fort Ross Comment
  CAS-BOT-BC266420  Campanula californica Herbert L. Mason 1946-7-4 12894 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  JEPS16345  Cordylanthus tenuis subsp. capillaris H. L. Mason 1946-7-4 12900 Sonoma 2 mi e Occidental; ; E of Occidental, Sonoma Co. Comment
  LA62442  Monardella villosa Herbert L. Mason; 1928-7-10 4883 Sonoma Jenner Comment
  NY601785  Penstemon heterophyllus var. purdyi H. L. Mason 1934-4-28 8071 Sonoma Head of Dohrman Creek, Jensen's Ranch Comment
  POM313170  Deschampsia cespitosa subsp. cespitosa H. L. Mason 1946-7-4 12885 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  UC1083344  Allium amplectens Herbert L. Mason 1934-4-28 8076 Sonoma head of Dohrman Creek Dohrman Creek, Jensen's Ranch Comment
  UC1083345  Allium falcifolium Herbert L. Mason 1934-4-28 8074 Sonoma head of Dohrman Creek Dohrman's Creek, Jensen's Ranch Comment
  UC1101034  Juncus dubius Herbert L. Mason 1946-7-4 12890 Sonoma between Santa Rosa and Forestville; Pitkin Marsh Comment
  UC1101477  Campanula californica Herbert L. Mason 1946-7-4 12894 Sonoma between Santa Rosa and Forestville; Pitkin Marsh Comment
  UC1191804  Trichostema laxum Herbert L. Mason 1946-7-4 12897 Sonoma 2 mi E of Occidental Comment
  UC555512  Physocarpus capitatus H. L. Mason Jun 1930 5642 Sonoma Gualala River, mouth Comment
  UC555528  Lotus formosissimus H. L. Mason 1928-4-8 4281 Sonoma Fort Ross Comment
  UC566872  Yabea microcarpa H. L. Mason June 1930 5656 Sonoma Mouth of Gualala River Comment
  UC566873  Oenanthe sarmentosa H. L. Mason June, 1930 5647 Sonoma mouth of Gualala R. Comment
  UC570909  Tiarella trifoliata var. unifoliata H. L. Mason June 1930 5667 Sonoma mouth of Gualala River Comment
  UC571127  Geranium core-core H. L. Mason 1928-4-7 4276 Sonoma mouth of Russian River, Jenner Jenner; Russian River, Jenner Comment
  UC581115  Hesperevax sparsiflora var. sparsiflora H. L. Mason 1934-4-28 8091 Sonoma Jensen's Ranch; Dohrmann Creek Comment
  UC634561  Ceanothus confusus H. L. Mason 1934-4-28 8072 Sonoma Jensen's Ranch, at head of Dohrmans Creek Comment
  UC634726  Vaccinium ovatum H. L. Mason 1925-11-26 2496 Sonoma Monte Rio Comment
  UC634968  Ranunculus muricatus H. L. Mason 1928-4-13 4324 Sonoma near Petaluma Comment
  UC635359  Delphinium nudicaule H. L. Mason 1928-4-7 4277 Sonoma Jenner Russian River (mouth of river) Comment
  UC635550  Saxifraga californica H. L. Mason 1931-3-7 5807 Sonoma 12 mi w of Santa Rosa (Vine Hill School); Vine Hill School Comment
  UC635617  Euonymus occidentalis var. occidentalis H. L. Mason 1928-7-11 4890 Sonoma canyon 2 mi. n. Fort Ross Comment
  UC635627  Euonymus occidentalis var. occidentalis H. L. Mason June 1930 5661 Sonoma mouth of Gualala R. Comment
  UC672151  Calochortus tolmiei Herbert L. Mason 1928-4-8 4283 Sonoma Fort Ross Comment
  UC672157  Calochortus amabilis Herbert L. Mason 1934-4-28 8068 Sonoma Jensen's Ranch Dohrman Creek Comment
  UC908664  Linanthus jepsonii Herbert L. Mason 1940-5-21 12293 Sonoma Head of Maycama Creek Knights Valley Comment
  CAS-BOT-BC342500  Logfia gallica H. L. Mason 1934-4-28 8078 Sonoma Jensen's Ranch, head of Dohrmann Creek Comment
  POM256520  Eriophyllum lanatum var. arachnoideum H. L. Mason 1934-4-28 8096 Sonoma Jansen Ranch, at head of Dohrman Creek, four miles west of Healdsburg Comment
  POM312928  Tofieldia glutinosa subsp. occidentalis H. L. Mason 1946-7-4 12887 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  SEINET196703  Navarretia pubescens Herbert L. Mason 1940-5-21 12294 Sonoma Head of Mayacama Creek in Knights Valley. Comment
  UC581114  Hesperevax sparsiflora var. sparsiflora H. L. Mason 1934-4-28 8098 Sonoma Highway between Santa Rosa and Healdsburg Comment
  UC634934  Montia fontana H. L. Mason 1926-3-20 2752 Sonoma s of Calistoga (along railroad right-of-way) Comment
  UC635633  Limnanthes douglasii subsp. nivea H. L. Mason 1926-3-20 2746 Sonoma marshes s Calistoga (along railroad right-of-way) Comment
  UC673605  Vicia sativa subsp. nigra Herbert L. Mason 1926-3-20 2750 Sonoma s of Calistoga (marshes, along railroad right-of-way) Comment
  UC907821  Navarretia leucocephala subsp. bakeri Herbert L. Mason 1934-4-28 8094 Sonoma highway between Healdsburg and Santa Rosa Comment
  UC971845  Limnanthes douglasii subsp. douglasii Charles T. Mason Jr. 1949-4-11 1249 Sonoma w side of Hwy 37 2.4 mi n junction with Highway 48; Sears Point Comment
  UCD135508  Equisetum laevigatum Herbert L. Mason Date Unknown s.n. Sonoma Alexander Valley. Comment
  CAS-BOT-BC83382  Myosurus minimus Herbert L. Mason 1952-4-26 14275 Stanislaus 3 miles east of the San Joaquin River, Hilmar Road near Crows Landing Road. Comment
  UC1100664  Cyperus esculentus Herbert L. Mason and S. Galen Smith 1948-8-17 8344 Stanislaus 4 mi. w. Turlock; San Joaquin Valley Comment
  UC1100665  Cyperus esculentus Herbert L. Mason and S. Galen Smith 1948-7-30 8258 Stanislaus ca. 7 mi. s. Modesto (on Crow's Landing rd.); San Joaquin Valley Comment
  UC1101341  Myosurus minimus Herbert L. Mason 1952-5-18 14288 Stanislaus on Hilmar Road e of San Joaquin River (about 1 mi from junction with Crows Landing Road); Hilmar Road Comment
  UC555373  Trifolium depauperatum var. amplectens H. L. Mason 1929-4-7 5169 Stanislaus 6 mi w Oakdale Comment
  UC632767  Campanula exigua H. L. Mason 1935-5-9 8310 Stanislaus talus slopes of Red Mountains; Mount Hamilton Range, Arroyo del Puerto Comment
  UC672474  Collinsia heterophylla H. L. Mason 1929-4-7 5182 Stanislaus about 10 mi e of Oakdale (Sierra Nevada Foothills); Sierra Nevada Foothills Comment
  UC673531  Lepidium oxycarpum H. L. Mason 1930-4-1 5550 Stanislaus 2 mi s Knights Ferry (8 mi e of Oakdale) Comment
  UC907973  Allophyllum gilioides subsp. gilioides H. L. Mason 1935-5-9 Stanislaus near headwaters of Arroyo del Puerto (Red Mts.); Inner S. Coast Ranges, Mt. Hamilton Range, Red Mts. 426 Comment
  UC908356  Linanthus ciliatus H. L. Mason 1935-5-9 Stanislaus Arroyo del Puerto Mount Hamilton Range, Red Mountains Comment
  UC963753  Navarretia leucocephala H. L. Mason 1929-4-7 5172 Stanislaus 6 mi w Oakdale Comment
  CAS-BOT-BC391325  Velezia rigida Herbert L. Mason 1948-5-31 13571 Stanislaus Stanislaus River, near Knight's Ferry Comment
  CAS-BOT-BC83385  Myosurus minimus Herbert L. Mason 1952-5-18 14290 Stanislaus On Hilmar Road, east of the San Joaquin River about 1 mile from the junction with the Crows Landing Road. Comment
  UC545808  Eriophyllum jepsonii Herbert L. Mason 1935-5-8 10008 Stanislaus Patterson Road twenty mi from mouth Arroyo del Puerto; Mount Hamilton Range 533 Comment
  UC724704  Argemone munita H. L. Mason 1935-5-9 Stanislaus Mount Hamilton Range, Arroyo del Puerto Arroyo del Puerto; Mount Hamilton Range, Arroyo del Puerto 365 Comment
  CAS-BOT-BC114216  Cyperus strigosus Herbert L. Mason 1945-9-18 12702 Sutter Sutter By-pass near bridge on Yuba City-Knight's Landing Highway. Comment
  UC1100680  Scirpus acutus var. occidentalis Herbert L. Mason 1945-9-18 12700 Sutter margins of pools on overflow lands of Sutter By-pass near bridge of Yuba City- Knight's Landing Highway; overflow lands of Sutter By-pass Comment
  UC1192057  Verbena litoralis Herbert L. Mason, Verne Grant 1946-8-14 13039 Sutter between Live Oak and Pennington Comment
  CAS-BOT-BC98052  Symphyotrichum lentum Herbert L. Mason 1945-9-18 12708 Sutter on overflow lands of Sutter [By-pass] Bypass near bridge on Yuba City - Knight's Landing Highway Comment
  SACT001672  Paspalum distichum Herbert Mason 1945-9-18 Sutter Primary invader of ponds, margins of pools on overflow lands of Sutter by-pass near bridge on Yuba City-KIght's Landing Highway. Comment
  UC1101056  Hastingsia alba Herbert L. Mason 1950-7-15 14051 Trinity summit of grade Scott Mountain Comment
  UCD138372  Triantha occidentalis subsp. occidentalis Herbert L. Mason 1950-7-15 14052 Trinity Scott Mountain. Comment
  SEINET197650  Micropus californicus var. californicus H. L. Mason 1938-4-14 11705 Tulare 4 mi E of Exeter Comment
  SFV16083  Calycanthus occidentalis S. Mason, H. M. Mason 1993-6-13 45 Tulare Sierra Nevada Hammond. 0.8 miles east of CA-Highway 198 on Mineral King Road. 460 Comment
  UC1076216  Lupinus benthamii Herbert L. Mason 1938-4-14 11706 Tulare 4 mi e of Exeter Rocky Hill (Rocky Hill); e of Exeter, Rocky Hill Comment
  UC1111584  Lotus wrangelianus Herbert L. Mason 1938-4-1 11717 Tulare 4 mi e Exeter Comment
  UC1111605  Scutellaria tuberosa Herbert L. Mason 1938-5-10 11811 Tulare sw of Badger (Auckland Ranch); General Grant National Park, Auckland Ranch Comment
  UC1178990  Triphysaria micrantha Herbert L. Mason 1938-4-14 11708 Tulare 4 mi e Exeter Comment
  UC573065  Plagiobothrys tenellus H. L. Mason 1929-3-23 5083 Tulare 3 mi above Springville; Middle Tule River Comment
  UC590980  Iris munzii H. L. Mason 1938-8-6 12071 a Tulare 1 mi below Milo; North Fork of the Tule River Comment
  UC592142  Caulanthus coulteri H. L. Mason 1929-3-23 5076 Tulare three mi above Springville (Middle Tule River); Middle Tule River Comment
  UC592183  Pholistoma membranaceum H. L. Mason 1929-3-23 5080 Tulare 3 mi. above Springville (Middle Tule R.); Middle Tule R. Comment
  UC635456  Hesperomecon linearis H. L. Mason 1929-3-23 5092 Tulare 3 mi above Springville, Middle Tulare River Comment
  UC673460  Castilleja attenuata H. L. Mason 1929-3-23 5086 Tulare 3 mi above Springville; Middle Tule River Comment
  UC907996  Linanthus liniflorus Herbert L. Mason 1935-5-1 8366 Tulare n of Kernville; Sequoia National Forest, Kern River Comment
  UC908400  Gilia capitata subsp. abrotanifolia Herbert L. Mason 1935-5-1 8365 Tulare Kern River n Kernville (Sequoia National Forest); , Kern River n of Kernville Comment
  UC908570  Gilia tricolor subsp. diffusa Herbert L. Mason 1938-4-14 11712 Tulare four mi e Exeter; e of Exeter 304 Comment
  UC908892  Gilia sinuata Herbert L. Mason 1935-5-1 8356 Tulare n Kernville (Kern River, Sequoia National Forest); Sequoia National Forest, Kern River Comment
  UC962103  Gilia ochroleuca subsp. bizonata H. L. Mason 1935-5-1 8360 Tulare Kern River n Kernville; Sequoia National Forest, Kern River Comment
  UC964769  Allium hyalinum Herbert L. Mason 1938-4-14 11709 Tulare 4 mi e Exeter 304 Comment
  CAS-BOT-BC388999  Silene laciniata subsp. californica H. L. Mason 1938-5-10 11816 Tulare Near Auckland Ranch on General Grant National Park road southwest of Badger 457 Comment
  POM257265  Camissonia campestris subsp. campestris H. L. Mason 1929-3-23 5089 Tulare Three miles above Springville, Middle Tule River. Comment
  RSA0016231  Gilia ochroleuca subsp. bizonata H. L. Mason 1935-5-1 8358 Tulare Kern River, north of Kernville, Sequoia National Forest Comment
  RSA125763  Clarkia heterandra H. L. Mason 1938-5-10 11813 Tulare Near Auckland Comment
  RSA84856  Sedella pumila H. L. Mason 1938-4-14 11703 Tulare Rocky hills, E of Exeter. 305 Comment
  SD45367  Leptosiphon bicolor Herbert L. Mason 1935-5-1 8374 Tulare Kern River Canyon north of Kernvelle in Sequoia National Forest. Comment
  UC604422  Calochortus amoenus H. L. Mason 1938-5-10 11819 Tulare sw of Badger (near Auckland Ranch on General Grant National Park road) 457 Comment
  UC604423  Silene californica H. L. Mason 1938-5-10 11816 Tulare on General Grant National Park sw Badger (near Auckland Ranch); General Grant National Park sw of Badger 457 Comment
  UCD94569  Vulpia microstachys var. pauciflora Herbert L. Mason 1938-4-14 11715 Tulare 4 miles east of Exeter. 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-BC113544  Eleocharis bella Herbert L. Mason 1938-7-11 11930 Tuolumne Miguel Meadows; west of Hetch Hetchy. 1584 Comment
  CAS-BOT-BC126859  Dodecatheon alpinum Herbert L. Mason 1922-8-20 342 Tuolumne Dog Lake, Moraine Flat, Tuolumne Meadows 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-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-BC165822  Clarkia williamsonii H. L. Mason 1925-7-4 2149 Tuolumne Near Mather 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-BC202720  Aesculus californica Herbert L. Mason 1925-6-27 2129 Tuolumne Tuolumne Canyon, near Mather 1371 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-BC261383  Eriogonum nudum var. deductum Herbert L. Mason 1925-7-29 2181 Tuolumne Mather 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-BC270185  Viola adunca H. L. Mason 1925-7-16 2170 Tuolumne Hog Ranch, near Mather 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-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-BC325487  Packera werneriifolia Herbert Louis Mason 1936-7-24 11329 Tuolumne White Mountain, Mount Conness Range, Sierra Nevada. 3505 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-BC399916  Thalictrum sparsiflorum H. L. Mason 1923-8-1 680 Tuolumne Lyell Fork, Sierra Nevada Mountains Comment
  CAS-BOT-BC439818  Claytonia perfoliata H. L. Mason 1925-7-27 2177 Tuolumne Hog Ranch, Mather 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-BC59246  Antennaria corymbosa H. L. Mason 1923-7-30 675 Tuolumne Lyell Fork of the Tuolumne River Comment
  CAS-BOT-BC77324  Antennaria media Herbert L. Mason 1936-7-24 11344 Tuolumne White Mountain, Conness Range 3596 Comment
  JEPS53156  Boechera pinetorum H. L. Mason 1922-8-20 344 Tuolumne Lambert Dome Sierra Nevada Mountains, Yosemite National Park, Tuolumne Me 2743 Comment
  POM257230  Lipocarpha occidentalis H. L. Mason 1938-7-10 11904 Tuolumne Miguel Meadow, west of Hetch-Hetchy. Yosemite National Park. 1585 Comment
  POM264399  Allophyllum integrifolium H. L. Mason 1941-7-12 12479 Tuolumne Miguel Meadow, west of Hetch Hetchy Valley, Yosemite National Park 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
  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
  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
  UC1025283  Draba densifolia Herbert L. Mason 1936-7-24 11336 B Tuolumne slopes of White Mountain Sierra Nevada, Conness Range 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
  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
  UC1039993  Crepis acuminata Herbert L. Mason 1938-7-7 11873 Tuolumne Brecca ridge between Swamp Lake and Hetch-Hetchy; Yosemite National Park 1981 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
  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
  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
  UC1056962  Juncus macrandrus Herbert L. Mason 1938-7-9 11891 Tuolumne w of Hetch Hetchy; Sierra Nevada, Yosemite National Park, Swamp Lake 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
  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
  UC1076302  Orobanche fasciculata Herbert L. Mason 1925-6-24 2107 Tuolumne Mather. Comment
  UC1076489  Herniaria hirsuta subsp. hirsuta Herbert L. Mason 1923-7-21 636 Tuolumne Hetch Hetchy , Hetch Hetchy (Yosemite National Park) 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
  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
  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
  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
  UC1077085  Cuscuta californica Herbert L. Mason 1938-7-22 11976 Tuolumne n of Hetch Hetchy (Vernon Lake Trail); Yosemite National Park 2072 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
  UC1077093  Erysimum perenne Herbert L. Mason 1938-7-28 12033 Tuolumne e Tilden Lake; Sierra Nevada, Yosemite National Park, Macomb Ridge 3048 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
  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
  UC1081530  Pyrrocoma apargioides Herbert L. Mason 1936-7-27 11374 Tuolumne w of Tioga Pass; Sierra Nevada, Yosemite National Park, Gaylor Lakes 3200 Comment
  UC1081572  Pinus albicaulis Herbert L. Mason 1936-7-27 11381 Tuolumne w Tioga Pass; Yosemite National Park, Gaylor Lakes 3200 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
  UC1083121  Dicentra uniflora Herbert L. Mason 1936-7-27 11385 Tuolumne w of Tioga Pass (Gaylor Lakes); Sierra Nevada, Yosemite National Park 3200 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
  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
  UC1093879  Lactuca tatarica subsp. pulchella Herbert L. Mason 1938-8-1 12069 Tuolumne Tiltill Valley 1676 Comment
  UC1093908  Spiranthes stellata Herbert L. Mason 1938-7-7 11877 Tuolumne w Hetch Hetchy; Sierra Nevada, Yosemite National Park, Swamp Lake 1584 Comment
  UC1099812  Sparganium angustifolium Herbert L. Mason 1922-8-19 359 Tuolumne Dog Lake; Yosemite National Park, Tuolumne Meadows 2743 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
  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
  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
  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
  UC1101530  Elatine brachysperma Herbert L. Mason 1936-7-15 12757 Tuolumne 0.5 mi w Mather; Sierra Nevada 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
  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
  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
  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
  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
  UC1110525  Poa wheeleri Herbert L. Mason 1936-7-24 11332 Tuolumne White Mt; Sierra Nevada, Conness Range 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
  UC1111021  Dodecatheon jeffreyi H. L. Mason 1922-7-16 308 Tuolumne Hog Ranch Sierra Nevada Mountains, Yosemite National Park (Mather) Comment
  UC1111023  Dodecatheon jeffreyi H. L. Mason 1922-7-16 307 Tuolumne Lodge Meadow Bog Sierra Nevada Mountains, Yosemite National Park (Mather) 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
  UC1111563  Phacelia eisenii Herbert L. Mason 1938-7-27 12023 Tuolumne se side Bailey Ridge; Sierra Nevada, Yosemite National Park 2438 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
  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
  UC1179038  Allium obtusum Herbert L. Mason 1937-8-1 14840 Tuolumne Twin Lakes Sierra Nevada, Yosemite National Park, Twin Lakes 2743 Comment
  UC1179073  Hieracium triste Herbert L. Mason 1936-7-30 14819 Tuolumne Tilden Lake; Yosemite National Park 2895 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
  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
  UC1191178  Bolandra californica Herbert L. Mason 1937-7-26 14825 Tuolumne Mahan Peak Yosemite National Park 2784 Comment
  UC1191223  Lupinus Herbert L. Mason 1937-7-22 11576 Tuolumne Swamp Lake Sierra Nevada, , Swamp Lake (w of Hetch Hetchy Dam) 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
  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
  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
  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
  UC1199851  Dodecatheon alpinum Herbert L. Mason 1925-8-11 2220 Tuolumne White Wolf 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
  UC555508  Potentilla fruticosa Herbert L. Mason 1923-8-9 744 Tuolumne ridge e second lake (Gaylor Lakes); , ridge e of second lake 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
  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
  UC565570  Chaenactis douglasii var. douglasii H. L. Mason 1923-7-21 628 Tuolumne Hetch Hetchy Sierra Nevada Mountains, Yosemite National Park 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
  UC566625  Arnica cordifolia H. L. Mason 1923-8-6 718 Tuolumne Dana Fork Sierra Nevada Mountains, Yosemite National Park 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
  UC570743  Lamium amplexicaule H. L. Mason 1929-4-7 5192 Tuolumne 4 mi above Angels Camp Comment
  UC570854  Darmera peltata Herbert L. Mason 1923-7-20 626 Tuolumne near Ackerson Meadows; Middlefork Tuolumne River Comment
  UC570970  Ribes roezlii Herbert L. Mason 1925-7-15 2159 Tuolumne Mather Comment
  UC571001  Rhamnus rubra Herbert L. Mason 1925-7-16 2172 Tuolumne Mather 1432 Comment
  UC571133  Geranium californicum Herbert L. Mason 1923-7-2 2139 Tuolumne Mather 1432 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
  UC595050  Nemophila spatulata H. L. Mason 1938-7-15 11959 Tuolumne Tamarack Flat , Tamarack Flat (Yosemite National Park) 1950 Comment
  UC599121  Carex heteroneura H. L. Mason 1938-7-30 12056 Tuolumne South end of Tiltill Mountain, Yosemite National Park 2590 Comment
  UC599127  Carex preslii H. L. Mason 1938-7-28 12043 Tuolumne Macomb Ridge E of Tilden Lake Yosemite National Park 3048 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
  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
  UC600961  Woodsia scopulina H. L. Mason 1938-7-26 12016 Tuolumne s of Jack Main Meadows (Andrew Peak); Yosemite Nat'l Park 2438 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
  UC632747  Luzula comosa var. laxa H. L. Mason 1938-7-9 11892 Tuolumne Yosemite National Park. Swamp Lake, 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
  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
  UC632800  Galium porrigens H. L. Mason 1936-3-20 11009 Tuolumne three mi above Tuolumne Comment
  UC632810  Nemophila pedunculata H. L. Mason 1936-3-20 11010 Tuolumne three mi above Tuolumne; above Tuolumne Comment
  UC634676  Epilobium canum subsp. latifolium H. L. Mason 1923-7-21 627 Tuolumne Hetch Hetchy Sierra Nevada Mountains Comment
  UC634740  Rhododendron occidentale H. L. Mason 1925-6-29 2137 Tuolumne Lake Eleanor 1432 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
  UC634929  Ranunculus orthorhynchus var. orthorhynchus H. L. Mason 1923-7-13 588 Tuolumne Hog Ranch Mather Comment
  UC634950  Thalictrum sparsiflorum H. L. Mason 1923-8-1 680 Tuolumne Lyell Fork Sierra Nevada Mountains 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
  UC635178  Stachys ajugoides var. rigida H. L. Mason 1925-7-16 2168 Tuolumne near Mather (Hog Ranch) 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
  UC635328  Claytonia parviflora subsp. parviflora H. L. Mason 1925-7-27 2177 Tuolumne Hog Ranch, Mather; Mather Comment
  UC635412  Actaea rubra H. L. Mason 1925-8-11 2212 Tuolumne Big Oak Flat Rd. to Tuolumne Grove Comment
  UC635583  Nemacladus interior H. L. Mason 1923-7-12 577 Tuolumne Mather; Sierra Nevada Mountains, Yosemite National Park Comment
  UC635638  Campanula prenanthoides H. L. Mason 1925-8-11 2218 Tuolumne Big Oak Flat Road to Tuolumne Grove Comment
  UC635691  Heterocodon rariflorum H. L. Mason 1923-7-12 578 Tuolumne Mather; Sierra Nevada Mountains, Yosemite National Park Comment
  UC641694  Salix petrophila H. L. Mason 1936-7-27 11383 Tuolumne vicinity Tioga Pass Gaylor Lakes; Sierra Nevada Comment
  UC642676  Calyptridium umbellatum H. L. Mason 1936-7-23 11309 Tuolumne Mount Conness; Sierra Nevada, Mount Conness Comment
  UC642783  Lewisia pygmaea H. L. Mason 1936-7-25 11360 Tuolumne slope, w base of Mount Conness Sierra Nevada, Mount Conness 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
  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
  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
  UC672264  Ericameria bloomeri H. L. Mason 1923-9-18 764 Tuolumne White Wolf Sierra Nevada Mountains, Yosemite National Park, White Wolf Comment
  UC672345  Phacelia quickii H. L. Mason 1924-5-29 1024 Tuolumne Mather Sierra Nevada Mountains, Yosemite National Park Comment
  UC672536  Mimulus guttatus H. L. Mason 1923-7-25 644 Tuolumne Lodge Meadow Mather Comment
  UC672581  Mimulus pulchellus H. L. Mason 1925-6-27 2114 Tuolumne Hog Ranch Mather Comment
  UC673319  Drymocallis hansenii Herbert L. Mason 1925-6-28 2134 Tuolumne near Mather (Hog Ranch); Yosemite National Park, near Mather, Hog Ranch Comment
  UC673326  Potentilla amicarum Herbert L. Mason 1923-8-9 747 Tuolumne Gaylor Lakes Sierra Nevada, Yosemite National Park, Gaylor Lakes 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
  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
  UC673388  Dodecatheon jeffreyi H. L. Mason 1922-7-22 318 Tuolumne Aspen Valley Sierra Nevada Mountains, Yosemite National Park 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
  UC673569  Goodyera oblongifolia H. L. Mason 1925-8-11 2217 Tuolumne Big Oak Flat Road to Tuolumne Grove; Big Oak Flat Road Comment
  UC673590  Listera convallarioides H. L. Mason 1925-7-30 2190 Tuolumne ne Mather (along Smith Peak Trail) 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
  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
  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
  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
  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
  UC908029  Phlox gracilis Herbert L. Mason 1928-7-4 4869 Tuolumne Tuolumne Meadows Comment
  UC908178  Navarretia intertexta Herbert L. Mason 1923-7-15 603 Tuolumne 3 mi w Mather; Salt Log 1371 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
  UC912217  Antennaria argentea Herbert L. Mason 1925-6-27 2118 Tuolumne near, (at Hog Ranch) Mather Comment
  UC912692  Botrychium simplex Herbert L. Mason 1936-7-27 11370 Tuolumne Gaylor Lakes 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
  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
  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
  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
  UCD66177  Festuca occidentalis H. L. Mason 1939-7-12 12129 Tuolumne Yosemite National Park, northwest of Hetch-Hetchy, woods near Swamp Lake. 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
  UCD90537  Poa lettermanii H. L. Mason 1936-7-23 s.n. Tuolumne Yosemite National Park. Mt. Conness. Comment
  YM-YOSE64610  Lupinus latifolius var. columbianus H. L. Mason 1938-7-28 12030 Tuolumne MACOMB RIDGE EAST OF TILDEN LAKE 3048 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-YOSE65514  Carex paucicostata H. L. Mason 1938-7-10 11919 Tuolumne SOUTH ISLAND SWAMP LAKE. WEST OF HETCH HETCHY 1584 Comment
  YM-YOSE65521  Carex preslii H. L. Mason 1938-7-28 12043 Tuolumne MACOMB RIDGE EAST OF TILDEN LAKE 3048 Comment
  YM-YOSE65577  Eriophorum gracile H. L. Mason 1938-7-10 11913 Tuolumne SWAMP LAKE RESEARCH RESERVE. SOUTH ISLAND. SWAMP 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-YOSE67189  Botrychium simplex Harry L. Mason 1938-7-7 11865 Tuolumne MIGUEL MEADOW 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-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-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-BC339743  Lessingia leptoclada Herbert L. Mason 1925-7-29 2183 Tuolumne Hog Ranch 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-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
  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
  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
  POM269617  Ranunculus flammula var. ovalis H. L. Mason 1923-7-13 592 Tuolumne Hog Ranch, Mather 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
  RSA101796  Mimulus torreyi H. L. Mason 1923-7-14 594 Tuolumne Mather. Comment
  RSA22225  Carex athrostachya H. L. Mason 1938-8-1 12071 Tuolumne Meadow in Tiltill Valley. Yosemite National Park. 1677 Comment
  SEINET10463136  Campanula prenanthoides Mason 1925-8-11 Mason 2218 Tuolumne BIG OAK FLAT RD TO TUOLUMNE GROVE 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
  SEINET4170662 Image available Hemicarpha occidentalis H. L. Mason 1938-7-10 11904 Tuolumne Miguel Meadow, W. of Hetch-Hetchy; Yosemite National Park 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
  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
  UC1056432  Limnanthes alba Herbert L. Mason 1936-3-20 11017 Tuolumne three mi above Tuolumne; Sierra Nevada, Yosemite National Park 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
  UC1081564  Lupinus bicolor Herbert L. Mason 1930-3-20 11005 Tuolumne three mi above Tuolumne; above Tuolumne 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
  UC635153  Pyrola minor H. L. Mason 1923-8-1 683 Tuolumne Elizabeth Lake Trail, Sierra Nevada Mountains Comment
  UC635331  Claytonia nevadensis H. L. Mason 1923-9-15 786 Tuolumne Tioga mines; Sierra Nevada Mountains, Yosemite National Park 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
  UC673556  Corallorhiza striata H. L. Mason 1922-7-3 303 Tuolumne Big Oak Flat road just n Tuolumne Grove 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
  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-YOSE63762  Crepis acuminata Harry L. Mason 1938-7-7 11873 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-YOSE65551  Carex vesicaria H. L. Mason 1938-7-9 11889 Tuolumne SWAMP LAKE RESEARCH RESERVE. SWAMP LAKE WEST OF HETCH HETCHY 1584 Comment
  YM-YOSE65555  Carex whitneyi H. L. Mason 1938-7-30 12055 Tuolumne SOUTH END TILTILL MT. 2590 Comment
  YM-YOSE65594  Scirpus acutus H. L. Mason 1938-7-8 11883 Tuolumne SWAMP LAKE RESEARCH RESERVE. WEST END OF SWAMP (LAKE?) 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-YOSE66617  Agrostis rossiae H. L. Mason 1938-7-10 11909 Tuolumne SWAMP LAKE RESEARCH RESERVE. SOUTH ISLAND. SWAMP LAKE Comment
  YM-YOSE66962  Nemacladus Harry L. Mason 1938-7-6 11859 Tuolumne BETWEEN SWAMP LAKE AND MIGUEL MEADOW 1554 Comment
  A343914  Morella californica H. L. Mason 1928-8-25 4926 Unknown At border of deep forest and pygmy forest; mesa, one mile east of mouth of Noyo River, Noyo Comment
  A346491  Prunus fasciculata H. L. Mason 1935-5-1 10007 Unknown Ridge south of Isabella Comment
  A346535  Prunus fremontii S. C. Mason 1908-03-01 - 1908-04-01 Unknown Palm Springs Comment
  A356882  Notholithocarpus densiflorus H. L. Mason 1934-9-3 Unknown White plains, three miles east of Mendocino City Comment
  A357743  Pinus contorta H. L. Mason 1934-9-3 8148 Unknown Just north of the town of Point Arena, Mendocino County Comment
  A362002  Arctostaphylos pechoensis var. viridissima H. L. Mason 1938-5-7 11776 Unknown Burton Mesa Comment
  A378109  Frangula purshiana H. L. Mason 1924-6-19 1071 Unknown Along stream running north into Bear Lake Comment
  A422632  Fremontodendron californicum H. L. Mason 1935-5-30 10009 Unknown Four miles north of Knoxville Mines Comment
  CAS-BOT-BC214937  Pinus remorata Herbert Louis Mason 1927-9-25 4096 Unknown Santa Cruz Island Comment
  GH341837  Vulpia microstachys var. ciliata H. L. Mason 1932-5-4 7066 Unknown Laundry farm, Oakland hills Comment
  GH345133  Lyonothamnus floribundus var. aspleniifolius H. L. Mason 1927-9-25 4109 Unknown Hills about Pelican Bay. Santa Cruz Island. Comment
  GH345295  Adenostoma fasciculatum H. L. Mason 1927-9-25 4107 Unknown Hills about Pelican Bay, Santa Cruz Island Comment
  GH345648  Horkelia parryi H. L. Mason 1928-5-3 4464 Unknown One mile south of Ione Comment
  GH345700  Ivesia lycopodioides H. L. Mason 1936-7-23 11296 B Unknown alpine slopes of Mount Conness, Sierra Nevada 3505 Comment
  GH346051  Rosa nutkana H. L. Mason 1928-7-14 4904 Unknown East fork of the Eel River near Garberville Comment
  GH349747  Ceanothus leucodermis H. L. Mason 1930-4-21 5601 Unknown Priest Valley Comment
  GH350134  Arctostaphylos canescens H. L. Mason 1926-1-2 2612 Unknown near summit of Mountain. Toll House Canyon, Mount St. Helena Comment
  GH350135  Arctostaphylos canescens H. L. Mason 1926-2-28 2670 Unknown West Peak, Mount Tamalpais Comment
  GH350160  Arctostaphylos columbiana H. L. Mason 1932-7-21 7104 Unknown Trinidad Head Comment
  GH357429  Fritillaria purdyi H. L. Mason 1941-3-16 12385 Unknown Serpentine ridge, three miles east of Middletown, inner North Coast Range, Lake County Comment
  GH357764  Pinus contorta H. L. Mason, N. T. Mirov & W. P. Stockwell 1948-6-9 2017 Unknown Two miles east of Mendocino City, Mendocino County Comment
  GH362001  Arctostaphylos pechoensis var. viridissima H. L. Mason 1938-5-7 11776 Unknown Burton Mesa Comment
  GH363196  Vaccinium ovatum H. L. Mason 1934-3-31 8054 Unknown La Purrissima Ridge, east of Lompoc Comment
  GH364863  Limnanthes floccosa C. T. Mason, Jr. 1949-4-24 1256 Unknown Nine miles N.W. Oroville on the north side of the Oroville-Chico road Comment
  GH364896  Hesperolinon bicarpellatum H. L. Mason 1930-06-01 - 1930-07-01 5689 Unknown Four miles east of MIddletown Comment
  GH365643  Cordylanthus maritimus subsp. palustris H. L. Mason 1930-06-01 - 1930-07-01 5670 Unknown Dillons Beach Comment
  GH366514  Lotus formosissimus H. L. Mason 1928-4-8 4281 Unknown Fort Ross Comment
  GH367220  Mimulus aurantiacus var. puniceus H. L. Mason 1926-4-30 3119 Unknown Pala grade, Temecula to Pala, Temecula Canyon Comment
  GH376201  Frankenia salina H. L. Mason 1928-9-30 4967 Unknown San Joaquin Delta near Holt Comment
  GH376752  Sedum rosea subsp. integrifolium H. L. Mason 1926-5-30 3313 a Unknown Hill slope back of Emerald Bay, above falls Comment
  GH376753  Sedum rosea subsp. integrifolium H. L. Mason 1928-7-5 4875 Unknown Tioga Mines Comment
  GH378753  Boechera lemmonii H. L. Mason 1936-7-24 11326 Unknown White Mountains, Conness Range, Sierra Nevada 3505 Comment
  GH378832  Boechera paupercula H. L. Mason 1936-7-24 11351 Unknown White Mountain, Conness Range, Sierra Nevada 3505 Comment
  GH378833  Boechera paupercula H. L. Mason 1936-7-28 11416 Unknown Dana Plateau, Sierra Nevada 3657 Comment
  GH379526  Erysimum capitatum var. angustatum H. L. Mason 1933-4-9 7189 Unknown East of Antioch along the San Joaquin River 12 Comment
  GH380490  Ribes menziesii var. leptosmum H. L. Mason 1926-2-21 2661 Unknown Point Reyes Comment
  GH380739  Ribes roezlii H. L. Mason 1925-7-15 2158 Unknown Mather Comment
  GH381229  Tiarella unifoliata H. L. Mason 1925-10-25 2243 a Unknown Big Basin Comment
  GH381242  Tiarella unifoliata H. L. Mason 1927-7-31 4003 Unknown Bean Creek, Mt. Herman, Santa Cruz Mts. Comment
  GH381755  Aesculus californica H. L. Mason 1929-6-2 5358 Unknown Tehachapi Mountains, Tejon Pass, 30 miles from Bakersfield Comment
  GH382384  Salix arctica H. L. Mason 1936-7-23 11300 Unknown alpine slopes Mount Conness, Sierra Nevada Comment
  GH384818  Styrax redivivus H. L. Mason 1926-4-30 3138 Unknown San Luis Rey River, four miles below Henshaw Dam Comment
  GH384820  Styrax redivivus H. L. Mason 1923-6-16 456 Unknown La Combre Peak, Santa Barbara, by way of Rattlesnake Canyon and La Combre Trail Comment
  GH386521  Brickellia californica H. L. Mason 1930-10-25 5770 Unknown Banks of San Antonio River Comment
  GH400106  Zeltnera venusta H. L. Mason 1926-4-30 3126 Unknown Pala Grade, Temescal Canyon Comment
  GH400308  Hyptis emoryi H. L. Mason 1928-3-10 4231 Unknown Hidden Springs Canyon, Coachella Mountains Comment
  GH401012  Phacelia phacelioides H. L. Mason 1938-5-3 11749 Unknown Trail between Juniper Camp and Deer Flat, Mount Diablo Comment
  GH402227  Stachys chamissonis H. L. Mason 1924-10-19 1122 Unknown Merced Lake Comment
  GH402740  Eriodictyon californicum H. L. Mason 1925-6-27 2124 Unknown Hog Ranch, Mather Comment
  GH403744  Navarretia linearifolia H. L. Mason 1950-7-15 14049 Unknown In wet bog: Summit of grade, Scott Mountain Comment
  GH422484  Tropidocarpum capparideum H. L. Mason 1932-3-19 6818 Unknown Road from Mountain House to Midway, west of Tracy Comment
  GH422602  Fremontodendron californicum H. L. Mason 1935-5-30 10009 Unknown Four miles North of Knoxville Mines Comment
  GH424129  Carex buxbaumii H. L. Mason 1938-7-11 11942 Unknown South island in Swamp Lake, west of Hetch Hetchy 1584 Comment
  GH424256  Androsace elongata subsp. acuta H. L. Mason 1932-3-19 6820 Unknown two miles east of Midway Comment
  GH424320  Oreonana vestita H. L. Mason 1927-6-15 3769 Unknown Old Baldy 2438 Comment
  GH425227  Ceanothus rigidus H. L. Mason 1929-3-2 5027 Unknown Big Sur Road, 20 miles south of Carmel Comment
  GH427010  Eriophyllum lanatum var. grandiflorum H. L. Mason 1932-4-24 6976 Unknown Mokulmne River Bridge, Comanche Comment
  GH443003  Malacothrix saxatilis var. arachnoidea H. L. Mason 1928-10-3 4986 Unknown Carmel River, four miles above Carmel Mission Comment
  A422797  Lonicera conjugialis H. L. Mason 1936-7-6 11160 Unknown Research Reserve, Hetch Hetchy Trail west of Dark Hole 2438 Comment
  CAS-BOT-BC238581  Sambucus nigra subsp. caerulea H. L. Mason 1920-6-1 s.n. Unknown Unspecified Comment
  GH385227  Linanthus grandiflorus H. L. Mason 1940-5-5 12275 Unknown Los Banos Creek Comment
  GH400140  Zeltnera trichantha H. L. Mason 1923-7-15 601 Unknown Salt Log Meadow Comment
  GH400412  Mentha arvensis H. L. Mason 1942-9-7 Unknown 3 mi S. of Upper Lake 152 Comment
  GH400808  Pogogyne serpylloides H. L. Mason 1924-5-13 1014 Unknown Ridge south of Claremont Canyon, Berkeley Hills Comment
  GH401113  Forestiera neomexicana H. L. Mason 1927-3-20 3656 Unknown Arroyo Mocho, sixteen miles south of Livermore Comment
  GH427089  Eriophyllum jepsonii H. L. Mason 1935-5-8 10008 Unknown Patterson Road, twenty miles from mouth of Arroyo del Puerto, Mt. Hamilton Range 533 Comment
  GH91310  Linanthus bakeri H. L. Mason 1932-4-25 7015 Unknown Pilot Hill Comment
  SEINET12899422 Image available Potamogeton nodosus H. L. Mason 1921-1 Unknown Comment
  SEINET4457228 Image available Pinus albicaulis H. L. Mason 1936-1 11519 Unknown Comment
  UC634620  Ceanothus leucodermis H. L. Mason 1923-6-18 493 Ventura Topa Topa Mountain Comment
  UC634772  Fremontodendron californicum subsp. californicum Herbert L. Mason 1923-6-18 496 Ventura Topatopa Mountain Comment
  UC635048  Oxytheca parishii var. abramsii Herbert L. Mason 1923-6-18 497 Ventura Topatopa Mts. Comment
  UC635449  Romneya trichocalyx H. L. Mason 1923-6-18 514 Ventura Topatopa Mountains, Red Reef Canyon Red Reef Canyon; Topatopa Mountains, Red Reef Canyon Comment
  UC672364  Turricula parryi Herbert L. Mason 1923-6-19 517 Ventura Horn Canyon Comment
  UC912515  Balsamorhiza deltoidea Herbert L. Mason 1923-6-18 509 Ventura Red Reef Canyon Topatopa Mountains Comment
  UC1039600  Phoradendron Herbert L. Mason 1923-6-17 474 Ventura Ojai Comment
  UC1083327  Pinus lambertiana H. L. Mason 1923-6-18 495 Ventura Topa Topa Comment
  UC635196  Rhus integrifolia H. L. Mason 1923-6-17 473 Ventura 9 mi n Ventura (Ventura Bluffs); Ventura Bluffs Comment
  UC907855  Gilia capitata subsp. abrotanifolia Herbert L. Mason 1949-4-25 14012 Ventura Ojai-Maricopa Road one mi below Wheeler Hot Springs; below Wheeler Hot Springs Comment
  UC1051439  Symphyotrichum subulatum Herbert L. Mason 1955-8-12 14646 Yolo between Winters and Madison Comment
  UCD61188  Ehrharta calycina George Mason 1959-3-11 Yolo Along drive at Sewage Treatment Plant, University of California campus, Davis. Comment
  UC1186135  Phlox speciosa subsp. occidentalis Herbert L. Mason 1927-5-10 3729 Yuba near Dobbins Comment
  UC565456  Scutellaria tuberosa Herbert L. Mason 1927-5-11 3728 Yuba vicinity of Dobbins 457 Comment
  UC912454  Plectritis ciliosa subsp. ciliosa Herbert L. Mason 1927-5-11 3731 Yuba near Dobbins 457 Comment



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