Search Results — 354 specimen records retrieved (283 records with coordinates)
Results for search: County=UNKNOWN; Source=All; Collector=Mason;   

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  A246891  Pinus ponderosa H. L. Mason 1936-8-6 11519 Unknown hills between Saddlebag Lake and Conness Glacier, Sierra Nevada 3200 Comment
Read comments
Aug 12 2016
  A343901  Morella californica H. L. Mason 1928-7-11 4893 Unknown along coast; canyon two miles north of Fort Ross Comment
  A343911  Morella californica H. L. Mason 1924-10-19 1130 Unknown Lake Merced 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
  A346446  Prunus emarginata H. L. Mason 1933-9-2 7263 Unknown Silver Lake, Sierra Nevada Mountains 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
  A346750  Prunus virginiana var. demissa H. L. Mason 1921-5-14 Unknown Haywards Comment
  A356121  Cupressus sargentii H. L. Mason 1926-4-16 Unknown Cedar Mountain, near summit 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
  A357849  Sequoia sempervirens H. L. Mason 1928-8-26 Unknown Pudding Creek, Mendocino County Comment
  A362002  Arctostaphylos pechoensis var. viridissima H. L. Mason 1938-5-7 11776 Unknown Burton Mesa Comment
  A362003  Arctostaphylos pechoensis var. viridissima H. L. Mason 1938-5-8 11803 Unknown vicinity of the summit of Figueroa Mountain Comment
Read comments
Feb 19 2015
  A362728  Kalmia microphylla H. L. Mason 1938-7-6 11852 Unknown Sierra Nevada, Swamp Lake, Yosemite National Park Comment
  A367049  Mimulus aurantiacus var. grandiflorus H. L. Mason 1921-5-7 Unknown Carmel River, Rancho del Monte Comment
  A378109  Frangula purshiana H. L. Mason 1924-6-19 1071 Unknown Along stream running north into Bear Lake Comment
  A378180  Rhamnus alnifolia H. L. Mason 1939-8-3 12200 Unknown Squaw Valley 7 miles northeast of Tahoe City 1889 Comment
  A385467  Cornus sessilis H. L. Mason 1935-3-14 10984 Unknown South fork of the Mokelumne River, about three miles northeast of Glencoe Comment
  A401330  Alnus incana subsp. tenuifolia H. L. Mason 1939-7-18 12172 Unknown north side of Luther Pass, one mile west of Grass Lake Meadow 2346 Comment
  A401598  Salazaria mexicana H. L. Mason 1926-4-26 2981 Unknown Vincent to Palmdale Comment
  A422632  Fremontodendron californicum H. L. Mason 1935-5-30 10009 Unknown Four miles north of Knoxville Mines Comment
  A422714  Juglans hindsii H. L. Mason 1924-10-8 1107 Unknown north bank of San Fracisquito Creek; north end of Jasper Ridge, between Stanford Zoology Field Station and Sand Hill Caves Comment
  CAS-BOT-BC214937  Pinus remorata Herbert Louis Mason 1927-9-25 4096 Unknown Santa Cruz Island Comment
  GH10526  Monolopia stricta H. L. Mason 1935-5-2 9314 Unknown Two miles west of Lost Hills Comment
  GH244848  Solanum umbelliferum H. L. Mason 1940-5-5 12276 Unknown North slope of Twin Peaks, North Fork of Los Banos Creek, Inner South Coast Ranges Comment
  GH244864  Solanum umbelliferum H. L. Mason 1926-5-28 3269 Unknown 5 miles above Auburn Comment
  GH245841  Arctostaphylos virgata H. L. Mason 1926-2-21 2650 Unknown Near the summit of road from Inverness to Point Reyes Light Comment
  GH257602  Meconella californica H. L. Mason 1931-3-13 5810 Unknown Lagunitas Creek Comment
  GH257618  Meconella californica H. L. Mason 1928-2-22 4162 Unknown San Bruno Mountains Comment
  GH257640  Meconella denticulata H. L. Mason 1935-4-21 8269 Unknown Carmel Canyon Comment
  GH257641  Meconella denticulata H. L. Mason 3754 Unknown San Antonio Canyon, San Gabriel Mountains Comment
  GH257750  Iris munzii H. L. Mason 1938-5-9 11810 Unknown North Fork of the Tule River, one mile below Milo Comment
  GH295008  Hesperomecon linearis H. L. Mason 1935-4-21 8268 Unknown Carmel Canyon Comment
  GH30187  Triteleia versicolor H. L. Mason & E. Lee 1935-6-15 9351 Unknown Whaler's Knoll. Point Lobos State Park Comment
  GH311216  Pinus contorta subsp. bolanderi H. L. Mason, N. T. Mirov & W. P. Stockwell 1948-6-9 2017 Unknown Two miles east of Mendocino City, Mendocino County Comment
  GH341837  Vulpia microstachys var. ciliata H. L. Mason 1932-5-4 7066 Unknown Laundry farm, Oakland hills Comment
  GH343975  Arbutus menziesii H. L. Mason 1930-10-25 5751 Unknown Headwaters of Arroyo Seco, Santa Lucia Mountains 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
  GH345612  Horkelia bolanderi H. L. Mason 1834-5-5 8127 Unknown between Kelseyville and Lower Lake Comment
Read comments
Apr 20 2012
  GH345638  Horkelia marinensis H. L. Mason 1930-08-01 - 1930-09-01 5741 Unknown Fort Bragg Comment
  GH345641  Horkelia parryi H. L. Mason 1932-4-24 6978 Unknown Three miles south of Ione Comment
  GH345643  Horkelia parryi H. L. Mason 1933-5-29 7253 Unknown two miles south of Ione 152 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
  GH345702  Ivesia lycopodioides H. L. Mason 1936-7-29 11428 Unknown terminal moraine of Conness Glacier, Sierra Nevada 3505 Comment
  GH345715  Ivesia muirii H. L. Mason 1936-7-23 11295 Unknown alpine slopes of Mount Conness, Sierra Nevada 3505 Comment
  GH345719  Ivesia muirii H. L. Mason 1923-8-2 700 Unknown Johnson's Peak, near headwaters of Unicorn Creek, West-facing gravely slope Comment
  GH345735  Ivesia shockleyi H. L. Mason 1936-7-28 11398 Unknown Dana plateau, vicinity of Mount Dana, Sierra Nevada 3657 Comment
  GH345738  Potentilla diversifolia H. L. Mason 1923-8-21 752 Unknown North base of Puppy Dome Comment
  GH345865  Rosa californica H. L. Mason 1930-10-25 5774 Unknown Banks of the San Antonio River, in foothills between Jolon and Santa Lucia Ranger Station Comment
  GH346035  Rosa gymnocarpa H. L. Mason 1924-11-23 1161 Unknown Cashion Creek, Las Trampas Ridge Comment
  GH346051  Rosa nutkana H. L. Mason 1928-7-14 4904 Unknown East fork of the Eel River near Garberville Comment
  GH346189  Rubus leucodermis H. L. Mason 1925-7-16 2171 Unknown Hog Ranch, Mather Comment
  GH346243  Rubus spectabilis H. L. Mason 1926-2-21 2644 Unknown Inverness Comment
  GH346473  Prunus fasciculata H. L. Mason 1935-5-1 10007 Unknown Ridge south of Isabella Comment
  GH346738  Prunus virginiana var. demissa H. L. Mason 1927-6-15 3777 Unknown San Gabriel Mountains 2590 Comment
  GH346789  Amelanchier alnifolia H. L. Mason 1928-5-3 4490 Unknown Near bridge of Cosumnes River at mouth of Clark Creek Comment
  GH346896  Sorbus californica H. L. Mason 1924-6-19 1072 Unknown Along streams running north to Bearlake. Lake Region from Gold Lake to Bear Lake Comment
  GH346914  Malus fusca H. L. Mason 1932-7-21 7101 Unknown Big Lagoon Comment
  GH347531  Euphorbia misera H. L. Mason 1925-4-18 1496 Unknown redacted by HUH Comment
  GH347702  Krameria grayi H. L. Mason 1926-4-28 3083 Unknown Box S Spring, Comment
  GH347765  Polygala cornuta H. L. Mason 1926-5-29 3288 Unknown Donner Pass Road near Alta Comment
  GH347911  Cneoridium dumosum H. L. Mason 1925-4-18 1497 Unknown San Diego, Hills back of Navy Fuel Dock Comment
  GH347953  Ptelea crenulata H. L. Mason 1928-3-31 Unknown Mt. Diablo Comment
  GH347954  Ptelea crenulata H. L. Mason 1928-3-31 Unknown Mt. Diablo Comment
  GH347958  Ptelea crenulata H. L. Mason 1928-4-1 4270 Unknown Canyon back of Antioch hills north of Mount Diablo Comment
  GH347960  Ptelea crenulata H. L. Mason 1928-5-4 4521 Unknown Granite Canyon southwest of Coloma Comment
  GH347985  Thamnosma montana H. L. Mason 1935-3-28 8173 Unknown Three miles south of Barstow, Mojave Desert Comment
  GH348375  Stylocline masonii H. L. Mason 1935-3-30 8241 Unknown west of Bakersfield Comment
  GH349351  Ceanothus gloriosus var. exaltatus H. L. Mason 1931-3-7 5802 Unknown Vine Hill School, 12 miles west of Santa Rosa Comment
  GH349712  Ceanothus lemmonii H. L. Mason 1926-5-29 3284 Unknown Rattlesnake Creek five miles south of Grass Valley 609 Comment
  GH349747  Ceanothus leucodermis H. L. Mason 1930-4-21 5601 Unknown Priest Valley Comment
  GH349972  Ceanothus palmeri H. L. Mason 1928-5-3 4488 Unknown near bridge of Cosumnes River at mouth of Clark Creek Comment
  GH349973  Ceanothus palmeri H. L. Mason 1928-5-4 4519 Unknown Rose Springs (Eggars) Comment
  GH349974  Ceanothus palmeri H. L. Mason 1928-5-3 4488 Unknown near bridge of Cosumnes River at mouth of Clark Creek 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
  GH350161  Arctostaphylos columbiana H. L. Mason 1928-4-8 4290 Unknown Fort Ross Comment
  GH350222  Arctostaphylos densiflora H. L. Mason 1931-3-7 5805 Unknown Vine Hill School, twelve miles west of Santa Rosa Comment
  GH350294  Arctostaphylos glandulosa H. L. Mason 1938-5-8 11803 Unknown vicinity of summit of Figueroa Mountain Comment
  GH350365  Arctostaphylos glandulosa var. cushingiana H. L. Mason 1925-2-1 1220 Unknown Mount Tamalpais Comment
  GH350432  Arctostaphylos H. L. Mason 1938-5-7 11770 Unknown Burton Mesa, northwest of Lompoc Comment
  GH350477  Arctostaphylos hookeri H. L. Mason 1923-6-23 570 Unknown Del Monte Comment
  GH350624  Arctostaphylos andersonii var. imbricata H. L. Mason 1928-2-22 4164 Unknown San Bruno Mountain Comment
  GH350713  Arctostaphylos myrtifolia H. L. Mason 1928-5-3 4468 Unknown One mile south of Ione Comment
  GH350825  Arctostaphylos nummularia H. L. Mason 1932-8-26 7167 Unknown Pine Barrens at Mendocino City Comment
  GH350826  Arctostaphylos nummularia H. L. Mason 1928-10-21 4998 Unknown Fort Bragg Comment
  GH356067  Cupressus macrocarpa H. L. Mason 1934-10-21 10023 Unknown Point Lobos, Monterey County Comment
  GH357385  Erythronium helenae H. L. Mason 1926-3-14 2734 Unknown East side of Mount St. Helena, Toll House Canyon, Napa County 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
  GH357768  Pinus contorta H. L. Mason 1934-9-3 8146 Unknown White plains three miles east of Mendocino City, Mendocino County Comment
  GH357949  Cupressus goveniana var. pygmaea H. L. Mason 1934-9-3 8147 Unknown White plains three miles east of Mendocino City, Mendocino County Comment
  GH360126  Hainardia cylindrica H. L. Mason & E. Lee 1935-6-15 9041 Unknown Mound meadow, Point Lobos State Park Comment
  GH360275  Melica californica var. nevadensis P. H. Raven H. L. Mason, R. Ornduff, et. al. 1957-4-28 10706 Unknown 3.3 miles from Kelsey on raod to Placerville Comment
  GH362000  Arctostaphylos pechoensis var. viridissima H. L. Mason 1934-3-31 8055 Unknown La Purrissima Ridge, north of Lompoc Comment
  GH362001  Arctostaphylos pechoensis var. viridissima H. L. Mason 1938-5-7 11776 Unknown Burton Mesa Comment
  GH362035  Arctostaphylos pringlei var. drupacea H. L. Mason 1926-5-1 3165 Unknown Palomar Mountain Comment
  GH362109  Arctostaphylos pungens H. L. Mason 1930-10-25 5764 Unknown Sandstone hills six miles east of Santa Lucia Ranger Station Comment
  GH362159  Arctostaphylos sensitiva H. L. Mason 1927-7-31 3997 Unknown hills south of Mount Herman Comment
  GH362167  Arctostaphylos sensitiva H. L. Mason 1925-2-1 1219 Unknown Mount Tamalpais Comment
  GH362400  Arctostaphylos viscida H. L. Mason 1928-5-3 4466 Unknown one mile south of Ione Comment
  GH362608  Cassiope mertensiana subsp. californica H. L. Mason 1928-7-5 4877 Unknown Tioga Mines Comment
  GH362630  Chimaphila umbellata H. L. Mason 1924-6-18 1054 Unknown road between Graeagle and Gold Lake Comment
  GH362665  Comarostaphylis diversifolia H. L. Mason 1927-9-25 4098 Unknown Along roadway through Buena Vista Canyon, Santa Cruz Island Comment
  GH362739  Kalmia microphylla H. L. Mason 1923-8-2 698 Unknown Along headwaters of Unicorn Creek Comment
  GH362789  Phyllodoce breweri H. L. Mason 1928-7-5 4876 Unknown Tioga Mines Comment
  GH362883  Pyrola asarifolia H. L. Mason 1924-6-26 1091 Unknown near Blairsden Comment
  GH362991  Rhododendron columbianum H. L. Mason 1928-8-25 Unknown Mesa one mile east of mouth of Noyo River Comment
  GH363032  Rhododendron columbianum H. L. Mason 1924-6-19 1075 Unknown Along margins of Bear Lakes Comment
  GH363065  Rhododendron macrophyllum H. L. Mason 1930-06-01 - 1930-07-01 5632 Unknown Fort Bragg Comment
  GH363196  Vaccinium ovatum H. L. Mason 1934-3-31 8054 Unknown La Purrissima Ridge, east of Lompoc Comment
  GH363251  Vaccinium parvifolium H. L. Mason 1925-10-25 2244 Unknown Woodwardia Creek, Big Basin Comment
  GH363348  Bolandra californica H. L. Mason 1930-07-01 - 1930-08-01 5708 Unknown Blue Creek, near Hermit Springs, Sierra Nevada Mountains Comment
  GH363352  Chrysosplenium glechomifolium H. L. Mason 1929-5-10 5286 Unknown Ten miles south of Crescent City Comment
  GH363379  Heuchera pilosissima H. L. Mason 1928-4-8 4286 Unknown Coast 2 miles N. of Ft. Ross Comment
  GH363408  California macrophylla H. L. Mason 1929-4-25 5209 Unknown Briones Road to Antioch Comment
  GH363409  California macrophylla H. L. Mason 1929-3-15 5060 Unknown Marsh Creek Road, about five miles from Brentwood Comment
  GH363688  Boykinia occidentalis H. L. Mason 1927-7-27 3976 Unknown West end of Big Basin Comment
  GH363703  Boykinia occidentalis H. L. Mason 1930-10-25 5754 Unknown Headwaters of the Arroyo Seco, Santa Lucia Mountains Comment
  GH363796  Lithophragma bolanderi H. L. Mason 1923-7-12 580 Unknown Mather Comment
  GH364215  Eriogonum grande H. L. Mason 1927-9-24 4094 Unknown in gullies near West Willow Creek, Santa Cruz Island Comment
  GH364424  Eriogonum parvifolium H. L. Mason 1923-6-15 394 Unknown Harris Grade, between Harris and Lompoc, La Purisima Ridge Comment
  GH364715  Mucronea californica H. L. Mason 1923-6-23 544 Unknown Carmel River, ten miles above Carmel 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
  GH364876  Limnanthes bakeri C. T. Mason, Jr. 1948-5-8 1181 Unknown 0.6 mi. N. of Willits High School on east side of US Highway 101 426 Comment
  GH364896  Hesperolinon bicarpellatum H. L. Mason 1930-06-01 - 1930-07-01 5689 Unknown Four miles east of MIddletown Comment
  GH364907  Hesperolinon breweri H. L. Mason 1936-6-14 Unknown Ridge running south of Mount Diablo, head of Marsh Creek Comment
  GH364918  Hesperolinon congestum H. L. Mason 1928-4-28 4409 Unknown Tiburon Peninsula Comment
  GH364923  Hesperolinon drymarioides H. L. Mason 1952-6-19 14303 Unknown Black Diamond Ridge, Mendocino National Forest 822 Comment
  GH365525  Castilleja pilosa H. L. Mason 1936-7-23 11287 Unknown Mount Conness 3505 Comment
  GH365643  Cordylanthus maritimus subsp. palustris H. L. Mason 1930-06-01 - 1930-07-01 5670 Unknown Dillons Beach Comment
  GH365654  Keckiella antirrhinoides H. L. Mason 1926-4-30 3142 Unknown Pala Grade Comment
  GH365764  Keckiella corymbosa H. L. Mason 1928-7-14 4900 Unknown East Fork of the Eel River near Garberville Comment
  GH366282  Astragalus hornii H. L. Mason 1932-4-3 6915 Unknown Five miles east of Lost Hills Comment
  GH366505  Lotus formosissimus H. L. Mason 1928-4-13 4308 Unknown north of San Rafael 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
  GH367511  Penstemon newberryi H. L. Mason 1924-6-18 1065 Unknown Road Between Graeagle & Gold Lake Comment
  GH367692  Clarkia breweri H. L. Mason 1940-5-5 12282 Unknown Tres Pinos Creek, 2.4 miles southeast of Emmet School on Panoche Pass road, Inner South Coast Ranges 457 Comment
  GH369734  Delphinium recurvatum H. L. Mason 1940-5-4 12255 Unknown Ortigalita Canyon, 2 miles north east of Ortigalita Peak 304 Comment
  GH369838  Chorizanthe cuspidata H. L. Mason 1926-4-18 2871 Unknown sand dunes near San Francisco Comment
  GH369854  Chorizanthe douglasii H. L. Mason 1923-6-23 542 Unknown Carmel River, ten miles above Carmel Comment
  GH369901  Chorizanthe pungens H. L. Mason 1923-6-23 565 Unknown Del Monte Comment
  GH369968  Eriogonum argillosum H. L. Mason 1930-3-30 Unknown Canyon of the San Benito River, 14 miles south of Hollister Comment
  GH376030  Platanus racemosa H. L. Mason, R. W. Chaney & F. W. Knowlton 1926-9-4 3637 Unknown 1 mile above Niles, Niles 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
  GH376969  Claytonia megarhiza H. L. Mason 1935-7-29 9450 Unknown Bernice Lake, Yosemite National Park Comment
  GH376994  Cistanthe quadripetala H. L. Mason 1935-5-30 10010 Unknown Four miles north of Knoxville on the Monticello-Lower Lake Road Comment
  GH376996  Cistanthe quadripetala H. L. Mason 1936-4-26 11097 a Unknown Bartlett Springs, sixteen miles northeast of Clear Lake 792 Comment
  GH378184  Rhamnus alnifolia H. L. Mason 1939-8-3 12200 Unknown Squaw Valley 7 miles northwest of Tahoe City 1889 Comment
  GH378519  Paxistima myrsinites H. L. Mason 1929-5-18 5329 Unknown hills along Shasta Creek Canyon Comment
  GH378695  Arabis blepharophylla H. L. Mason 1928-2-18 4157 Unknown Inverness Ridge, Pt. Reyes Comment
  GH378696  Arabis blepharophylla H. L. Mason 1925-3-1 1271 Unknown San Francisco, Bernal heights Comment
  GH378753  Boechera lemmonii H. L. Mason 1936-7-24 11326 Unknown White Mountains, Conness Range, Sierra Nevada 3505 Comment
  GH378801  Boechera depauperata H. L. Mason 1936-7-29 11426 Unknown Terminal moraine of Conness Glacier, Sierra Nevada 3505 Comment
  GH378802  Boechera depauperata H. L. Mason 1936-7-28 11401 A Unknown Dana Plateau, Sierra Nevada 3657 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
  GH378968  Cardamine californica var. integrifolia H. L. Mason 1925-1-18 1180 Unknown Hills north of San Rafael Comment
  GH379526  Erysimum capitatum var. angustatum H. L. Mason 1933-4-9 7189 Unknown East of Antioch along the San Joaquin River 12 Comment
  GH379816  Phoenicaulis cheiranthoides subsp. glabra H. L. Mason 1957-7-6 14720 Unknown Mill Creek, Warner Mountains Comment
  GH379858  Stanfordia californica H. L. Mason 1935-5-2 10001 Unknown One mile east of Lost Hills, northwest Kern County Comment
  GH380089  Ribes cereum H. L. Mason 1926-5-30 3324 Unknown Kit Carson Pass road 1889 Comment
  GH380490  Ribes menziesii var. leptosmum H. L. Mason 1926-2-21 2661 Unknown Point Reyes Comment
  GH380635  Ribes nevadense H. L. Mason 1926-5-1 3164 Unknown Sour-dough Spring, Palomar Mountain Comment
  GH380641  Ribes nevadense H. L. Mason 1925-7-16 2173 Unknown Hog Ranch, Mather Comment
  GH380721  Ribes quercetorum H. L. Mason 1926-4-10 2821 Unknown Arroyo Mocho Canyon Comment
  GH380739  Ribes roezlii H. L. Mason 1925-7-15 2158 Unknown Mather Comment
  GH380896  Ribes speciosum H. L. Mason 1929-3-1 5018 Unknown Twenty-five miles up Carmel River on the Jamesburg to Arroyo Seco Road Comment
  GH381094  Saxifraga bryophora H. L. Mason 1923-8-2 690 Unknown Elizebeth Lake Comment
  GH381134  Saxifraga californica H. L. Mason 1925-3-7 1284 Unknown Sunol Comment
  GH381136  Saxifraga californica H. L. Mason 1926-3-7 2702 Unknown Mt. Diablo Comment
  GH381167  Saxifraga mertensiana H. L. Mason 1929-5-9 5268 Unknown Five miles west of Laytonville Comment
  GH381186  Saxifraga nidifica H. L. Mason 1926-5-30 3306 Unknown Hills above Emerald Bay, Lake Tahoe Comment
  GH381227  Tiarella unifoliata H. L. Mason 1928-7-11 4888 Unknown Canyon 2 miles north of Fort Ross 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
  GH381292  Umbellularia californica H. L. Mason 1925-12-30 2558 Unknown Hopland, Cloverdale Grade Comment
  GH381668  Vitis californica H. L. Mason 1926-6-29 2138 Unknown Lake Eleanor 1219 Comment
  GH381755  Aesculus californica H. L. Mason 1929-6-2 5358 Unknown Tehachapi Mountains, Tejon Pass, 30 miles from Bakersfield Comment
  GH381781  Aesculus californica H. L. Mason 1925-6-27 2129 Unknown Tuolumne Canyon near Mather 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
  GH384821  Styrax redivivus H. L. Mason 1931-5-9 5876 Unknown Pitt River Comment
  GH385113  Gilia capitata subsp. chamissonis H. L. Mason 1938-5-18 11840 Unknown Point Reyes Peninsula, 12.5 miles from Inverness Comment
  GH385256  Navarretia cotulifolia H. L. Mason 1935-4-30 7223 Unknown North of Aetna Springs near Napa-Lake county line, inner North Coast Range Comment
  GH385477  Cornus sessilis H. L. Mason 1935-3-14 10984 Unknown South fork of the Mokelumne River, about three miles northeast of Glencoe Comment
  GH385892  Galium bifolium H. L. Mason 1936-7-12 12228 Unknown Peregoy Meadow, Glacier Point road, Yosemite National Park 2255 Comment
  GH386519  Brickellia californica H. L. Mason 1927-9-23 4083 Unknown Canyon back of Prisoners harbor. Santa Cruz Island Comment
  GH386520  Brickellia californica H. L. Mason 1928-10-3 4988 Unknown Carmel River, 10 miles above Carmel Mission Comment
  GH386521  Brickellia californica H. L. Mason 1930-10-25 5770 Unknown Banks of San Antonio River Comment
  GH387065  Corethrogyne filaginifolia H. L. Mason 1926-5-26 3252 Unknown Niles Canyon Comment
  GH387173  Corethrogyne filaginifolia var. californica H. L. Mason 1928-4-25 4365 Unknown Hunter's Point Comment
  GH387213  Eastwoodia elegans H. L. Mason 1941-7-3 12490 Unknown head of Cuyama Valley, fourteen miles west of Maricopa 762 Comment
Read comments
Apr 29 2014
  GH387216  Eastwoodia elegans H. L. Mason 1941-7-3 12490 Unknown head of Cuyama Valley, fourteen miles west of Maricopa 762 Comment
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Apr 29 2014
  GH387385  Ericameria ericoides H. L. Mason 1936-9-13 11525 Unknown Prunedale, nine miles north of Salinas Comment
  GH387386  Ericameria ericoides H. L. Mason 1924-10-19 1119 Unknown Merced Lake and San Francisco sand dunes Comment
  GH387403  Ericameria ericoides H. L. Mason 1936-9-13 11525 Unknown Prunedale, nine miles north of Salinas Comment
  GH387415  Ericameria ericoides H. L. Mason 1928-10-3 4993 a Unknown Ten miles up Carmel River Comment
  GH400106  Zeltnera venusta H. L. Mason 1926-4-30 3126 Unknown Pala Grade, Temescal Canyon Comment
  GH400175  Zeltnera muehlenbergii H. L. Mason 1928-7-14 4903 Unknown East fork of Eel River near Garberville Comment
  GH400308  Hyptis emoryi H. L. Mason 1928-3-10 4231 Unknown Hidden Springs Canyon, Coachella Mountains Comment
  GH400789  Pogogyne zizyphoroides H. L. Mason 1928-5-3 4476 Unknown Hills near Carbondale Comment
  GH400827  Pogogyne douglasii H. L. Mason 1930-06-01 - 1930-07-01 5683 Unknown Four miles east of Middletown Comment
  GH400938  Salvia sonomensis H. L. Mason 1929-4-29 5252 Unknown between Kelseyville and Lower Lake Comment
  GH401012  Phacelia phacelioides H. L. Mason 1938-5-3 11749 Unknown Trail between Juniper Camp and Deer Flat, Mount Diablo Comment
  GH401190  Fraxinus latifolia H. L. Mason 1925-9-17 2225 Unknown Ross Valley to Lake Lagunitas Comment
  GH401236  Fraxinus latifolia H. L. Mason 1928-5-3 4490 a Unknown Near Cosumnes River bridge at mouth of Clark Creek Comment
  GH402093  Scutellaria siphocampyloides H. L. Mason 1940-5-5 12280 Unknown north slope of Twin Peaks, North Fork of Los Banos Creek, Inner South Coast Ranges 457 Comment
  GH402227  Stachys chamissonis H. L. Mason 1924-10-19 1122 Unknown Merced Lake Comment
  GH402483  Trichostema oblongum H. L. Mason 1925-7-27 2178 Unknown Hog Ranch, Mather Comment
  GH402740  Eriodictyon californicum H. L. Mason 1925-6-27 2124 Unknown Hog Ranch, Mather Comment
  GH402987  Phacelia mohavensis H. L. Mason 1927-6-14 3767 Unknown Higher slopes of Mount San Antonio (Baldy) 2133 Comment
  GH403744  Navarretia linearifolia H. L. Mason 1950-7-15 14049 Unknown In wet bog: Summit of grade, Scott Mountain Comment
  GH414152  Micropus amphibolus H. L. Mason 1936-5-2 11098 Unknown Bartlett Mountain road, four miles above Lucerne Comment
  GH414153  Micropus amphibolus H. L. Mason 1934-4-28 8081 Unknown Jensen's Ranch, head of Dohrman Creek, four miles west of Healdsburg Comment
  GH414712  Wyethia elata H. L. Mason 1938-7-16 11952 Unknown four miles south of Miami Ranger Station 1219 Comment
  GH414782  Chaenactis glabriuscula var. orcuttiana H. L. Mason 1926-4-25 2914 Unknown Five miles south of Laguna Comment
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Feb 3 2015
  GH414869  Eriophyllum confertiflorum H. L. Mason 1936-7-6 11136 Unknown Yosemite National Park, Yosemite Falls Trail, Mariposa County, Sierra Nevada Comment
  GH414901  Eriophyllum confertiflorum H. L. Mason 1934-3-31 8044 Unknown La Purrissima Ridge Comment
  GH420030  Plagiobothrys chorisianus H. L. Mason 1927-4-23 3692 Unknown Between Pescadero Creek and La Honda Comment
  GH420039  Cryptantha holoptera H. L. Mason 1928-3-10 4232 Unknown Hidden Springs Canyon, Coachella Mts. Comment
  GH420066  Plagiobothrys chorisianus var. hickmanii H. L. Mason 1927-7-31 4013 Unknown Zayante Creek, Mount Hermon, Santa Cruz Mountains Comment
  GH420229  Plagiobothrys strictus H. L. Mason 1926-3-20 2745 Unknown Calistoga Comment
  GH420320  Campanula exigua H. L. Mason 1935-5-9 8310 Unknown Red Mountains, Arroyo del Puerto, Mount Hamilton Range Comment
  GH420707  Sidalcea hartwegii H. L. Mason 1932-4-24 Unknown Near base of Pilot Hill about 11 mi. E. of Folsom Comment
  GH422129  Streptanthus glandulosus H. L. Mason 1938-5-1 11747 Unknown Bartlett Mountain, 4 miles from Lucerne 1158 Comment
  GH422200  Streptanthus hispidus H. L. Mason 1938-5-3 11751 Unknown trail between Juniper Camp and Deer Flat, Mount Diablo 990 Comment
  GH422214  Streptanthus insignis H. L. Mason 1952-4-27 14278 Unknown San Carlos Canyon 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
  GH424010  Carex capillaris H. L. Mason 1938-7-13 11946 Unknown base of El Capitan, Yosemite Valley 1226 Comment
  GH424012  Bulbostylis capillaris H. L. Mason 1938-7-6 11858 Unknown Dry ridge between Swamp Lake and Miguel Meadow 1645 Comment
  GH424013  Bulbostylis capillaris H. L. Mason 1938-7-11 11934 Unknown Miguel Meadow, west of Hetch Hetchy 1584 Comment
  GH424071  Carex congdonii H. L. Mason 1938-7-28 12046 Unknown Macomb Ridge east of Tilden Lake 3048 Comment
  GH424084  Carex limosa H. L. Mason 1938-7-10 11906 Unknown South island in Swamp Lake, west of Hetch Hetchy 1584 Comment
  GH424129  Carex buxbaumii H. L. Mason 1938-7-11 11942 Unknown South island in Swamp Lake, west of Hetch Hetchy 1584 Comment
  GH424130  Carex buxbaumii H. L. Mason 1938-7-10 11915 Unknown South island in Swamp Lake, west of Hetch Hetchy 1584 Comment
  GH424219  Dodecatheon subalpinum H. L. Mason 1928-7-3 4867 Unknown Yosemite Creek drainage, Tioga Road, head of Yosemite Creek grace, Yosemite National Park Comment
  GH424256  Androsace elongata subsp. acuta H. L. Mason 1932-3-19 6820 Unknown two miles east of Midway Comment
  GH424280  Lomatium ciliolatum var. hooveri H. L. Mason 1947-3-30 13164 a Unknown 0.5 mile east of Lake County line on Williams-Lower Lake Highway, western Colusa County Comment
  GH424320  Oreonana vestita H. L. Mason 1927-6-15 3769 Unknown Old Baldy 2438 Comment
  GH424352  Podistera nevadensis H. L. Mason 1936-7-23 11288 Unknown Mount Conness, Sierra Nevada 3505 Comment
  GH424386  Eriophorum gracile H. L. Mason 1938-7-10 11913 Unknown South island in Swamp Lake, west of Hetch Hetchy 1584 Comment
  GH424612  Amsinckia douglasiana H. L. Mason 1932-3-19 6815 Unknown Road from Mountain House to Midway, west of Tracy Comment
  GH424701  Cryptantha circumscissa H. L. Mason 1932-4-1 6868 Unknown One mile east of Lancaster, Mojave Desert Comment
  GH424976  Cryptantha rattanii H. L. Mason & E. Lee 1934-10-01 - 1934-11-01 9190 Unknown Whaler's Knoll, Point Lobos State Park Comment
  GH425078  Ceanothus parvifolius H. L. Mason 1926-5-31 3343 Unknown 1 mile west of Calaveras Grove Comment
  GH425079  Ceanothus parvifolius H. L. Mason 1928-5-4 4518 Unknown Rose Springs, Eggars Comment
  GH425119  Ceanothus prostratus H. L. Mason 1924-6-16 1046 Unknown Graeagle Comment
  GH425153  Ceanothus purpureus H. L. Mason 1931-3-8 Unknown Betw. Santa Rosa and Guerneville, 8 mi. w. of Santa Rosa, on ridge beyond slough, near Vine Hill School Comment
  GH425227  Ceanothus rigidus H. L. Mason 1929-3-2 5027 Unknown Big Sur Road, 20 miles south of Carmel Comment
  GH425434  Ceanothus tomentosus H. L. Mason 1928-5-3 4467 Unknown hills one mile south of Ione Comment
  GH425837  Frangula californica H. L. Mason 1930-10-25 5742 Unknown Headwaters of the Arroyo Seco, Santa Lucia Mountains Comment
  GH425973  Frangula californica subsp. occidentalis H. L. Mason 1932-7-21 7109 Unknown East slope of Southfork Mountains, on road from Arcata to Weaverville Comment
  GH427010  Eriophyllum lanatum var. grandiflorum H. L. Mason 1932-4-24 6976 Unknown Mokulmne River Bridge, Comanche Comment
  GH427054  Eriophyllum lanatum var. arachnoideum H. L. Mason 1934-4-28 8096 Unknown Jensen Ranch, at head of Dohrman Creek, four miles west of Healdsburg Comment
  GH427109  Eriophyllum lanatum H. L. Mason 1925-12-31 2567 Unknown Bartlet Mountain Road Comment
  GH427297  Monolopia congdonii H. L. Mason 1932-4-3 6912 Unknown Five miles east of Lost Hills Comment
  GH427298  Monolopia congdonii H. L. Mason 1835-4-30 9315 Unknown Five miles west of Bakersfield Comment
  GH427714  Senecio flaccidus var. monoensis H. L. Mason 1925-4-25 3088 Unknown Box S. Springs Comment
  GH427768  Senecio flaccidus var. douglasii H. L. Mason 1928-10-3 4991 Unknown Along Carmel River, ten miles east of Carmel Mission Comment
  GH443003  Malacothrix saxatilis var. arachnoidea H. L. Mason 1928-10-3 4986 Unknown Carmel River, four miles above Carmel Mission Comment
  GH443197  Polemonium eximium H. L. Mason 1936-7-24 11340 Unknown White Mountain, Mount Conness Range, Sierra Nevada 3505 Comment
  GH48998  Limnanthes douglasii var. sulphurea H. L. Mason & A. M. Carter 1938-5-18 1413 Unknown Point Reyes Peninsula, 12 miles from Inverness Comment
  GH78495  Eriastrum brandegeeae H. L. Mason 1945-6-28 12604 Unknown Obsidian Ridge, southeast of Borax Lake Comment
  GH78539  Gratiola heterosepala H. L. Mason & R. C. Bacigalupi 1953-6-8 14544 Unknown Southwest margin of Boggs Lake, west base of Mount Hanna, shallow water Comment
  GH91307  Linanthus androsaceus subsp. laetus H. L. Mason 1941-4-6 12414 Unknown Cherokee, 1000 feet Comment
  GH91332  Navarretia pauciflora H. L. Mason 1945-5-12 12583 Unknown Playa strewn with obsidion rubble and surrounded by chaparral, 5 miles north of Lower Lake Comment
  GH91333  Navarretia pauciflora H. L. Mason 1945-5-13 12583 Unknown Playa strewn with obsidion rubble and surrounded by chaparral, Lakeport highway 5 miles north of Lower Lake Comment
  SBBG104324  Cuscuta californica var. graciliflora H. L. Mason 1925-1 2055 Unknown San Quintin Bay, Revillagigedo Islands Comment
  UC1076031  Viola lobata subsp. lobata Herbert L. Mason 1947-5-17 14772 Unknown Scott Mountain divide Comment
  UC1076046  Claytonia lanceolata Herbert L. Mason 1947-5-17 14775 Unknown summit of Scott Mountain Scott Mountain (Trinity-Siskiyou county line) Comment
  UC1076055  Viola bakeri Herbert L. Mason 1947-5-17 14771 Unknown Scott Mountain divide Comment
  UC1076057  Viola adunca Herbert L. Mason 1947-5-17 14769 Unknown Scott Mountain divide Comment
  UC1076058  Viola glabella Herbert L. Mason 1947-5-17 14768 Unknown Scott Mountain divide Comment
  A346505  Prunus fasciculata var. punctata H. L. Mason 1941-5-28 12403 Unknown north end of Nipomo mesa 76 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
  CAS-BOT-BC433088  Ribes H. L. Mason 1920-6-1 s.n. Unknown Unspecified Comment
  GH244920  Solanum umbelliferum H. L. Mason 1928-5-3 4485 Unknown South bank of Cosumnes River opposite Clark Creek Comment
  GH346503  Prunus fasciculata var. punctata H. L. Mason 1941-5-28 12403 Unknown north end of Nipomo mesa 76 Comment
  GH346970  Osmaronia cerasiformis H. L. Mason 1923-6-22 533 Unknown Summit Cuesta Grade Comment
  GH347791  Polygala cornuta var. fishiae H. L. Mason 1923-6-20 524 Unknown Camp Comfort, San Antonio Canyon, Ojai Comment
  GH349515  Ceanothus integerrimus H. L. Mason 1931-4-19 5848 Unknown Santa Lucia Mountains, near Santa Lucia Ranger Station Comment
  GH360099  Koeleria cristata H. L. Mason 1932-4-28 7051 Unknown Laundry farm, Oakland Hills Comment
  GH362740  Kalmia microphylla H. L. Mason 1923-7-5 4874 Unknown Tioga Mines Comment
  GH362892  Pyrola asarifolia subsp. bracteata H. L. Mason 1925-07-01 - 1925-08-01 2891 Unknown Mount Elwell Comment
  GH363055  Rhododendron macrophyllum H. L. Mason 1928-7-11 4896 Unknown Fort Ross to Willits Comment
  GH364871  Limnanthes douglasii subsp. sulphurea C. T. Mason, Jr. 1948-5-16 1200 Unknown In wet swales [sic.] along Pt. Reyes road 13 miles W of Inverness Comment
  GH366457  Lathyrus jepsonii H. L. Mason 1923-10-6 772 Unknown Along slough near railroad; Suisun Marsh Comment
  GH367969  Ceanothus cordulatus H. L. Mason 1925-8-11 2211 Unknown Big Oak Flat Road near Tuolumne Grove. Comment
  GH376220  Frankenia salina H. L. Mason 1929-10-13 5503 Unknown 2-1/3 miles north of Cambria Comment
  GH378340  Rhamnus crocea var. ilicifolia H. L. Mason 1929-10-12 5493 Unknown Morro Creek drainage, 8.4 miles west of Atascadero Comment
  GH378528  Cleomella obtusifolia H. L. Mason 1935-3-29 8234 Unknown West side of Searle Lake, Mojave Desert Comment
  GH379093  Caulanthus coulteri var. lemmonii H. L. Mason 1952-4-6 14202 Unknown Temblor Range east of Cholame Comment
  GH379988  Streptanthus breweri H. L. Mason 1952-6-19 14300 Unknown between Fouts Springs and Red Bridge Public Camp, Mendocino National Forest Comment
  GH385227  Linanthus grandiflorus H. L. Mason 1940-5-5 12275 Unknown Los Banos Creek Comment
  GH385242  Leptosiphon pygmaeus H. L. Mason 1935-5-4 8300 Unknown southwest facing slopes of Mount Hamilton, Mount Hamilton Range Comment
  GH385305  Leptodactylon californicum subsp. tomentosum H. L. Mason 1941-3-28 12402 Unknown north end of Nipomo mesa 76 Comment
  GH385884  Galium bolanderi H. L. Mason 1936-7-15 11253 Unknown 1/2 mile west of Mather 1371 Comment
  GH400045  Gentianopsis holopetala H. L. Mason 1923-8-21 750 Unknown Yosemite National Park, North base of Puppy Dome. Dana Fork near Gaylor Creek Comment
  GH400140  Zeltnera trichantha H. L. Mason 1923-7-15 601 Unknown Salt Log Meadow Comment
  GH400411  Mentha arvensis H. L. Mason 1925-7-4 2146 Unknown Mather Comment
  GH400412  Mentha arvensis H. L. Mason 1942-9-7 Unknown 3 mi S. of Upper Lake 152 Comment
  GH400806  Pogogyne serpylloides H. L. Mason 1930-04-01 - 1930-05-01 5554 Unknown Hills west of San Andreas Comment
  GH400807  Pogogyne serpylloides H. L. Mason 1926-4-10 2803 Unknown Arroyo Mocho, 6 miles south of Livermore, Mount Hamilton Range Comment
  GH400808  Pogogyne serpylloides H. L. Mason 1924-5-13 1014 Unknown Ridge south of Claremont Canyon, Berkeley Hills Comment
  GH400855  Prunella vulgaris subsp. lanceolata H. L. Mason 1923-7-16 614 Unknown Hog Ranch Comment
  GH401113  Forestiera neomexicana H. L. Mason 1927-3-20 3656 Unknown Arroyo Mocho, sixteen miles south of Livermore Comment
  GH414797  Blennosperma nanum H. L. Mason 1936-4-10 11052 Unknown Fields south of Angel's Camp Comment
  GH414802  Blennosperma nanum H. L. Mason 1929-3-15 5045 Unknown Wooded hills just south of Nortonville Comment
  GH417058  Galium trifidum subsp. subbiflorum H. L. Mason 1936-7-12 11241 Unknown Yosemite National Park, Peregoy Meadow, Glacier Point road, Mariposa County 2255 Comment
  GH422241  Streptanthus polygaloides H. L. Mason 1936-05-15 - 1936-05-16 11118 Unknown Summit of road between Coulterville and Bagby 701 Comment
  GH422251  Streptanthus polygaloides H. L. Mason 1959-5-24 14899 Unknown in canyon of north fork of the Yuba River, exactly opposite Goodyears Bar (above north bank of river) 853 Comment
  GH422415  Streptanthus vimineus H. L. Mason 1940-5-22 12309 Unknown Serpentine ridge south of Lakeport Comment
  GH424011  Bulbostylis capillaris H. L. Mason 1936-7-12 11215 Unknown Along Merced River, Yosemite Valley Comment
  GH425422  Ceanothus tomentosus H. L. Mason 1932-4-24 6986 Unknown 3 miles south of Ione 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
  GH427091  Eriophyllum jepsonii H. L. Mason 1935-5-8 10008 Unknown Patterson Road, twenty miles from mouth of Arroyo del Puerto, Mount Hamilton Range 533 Comment
  GH427136  Eriophyllum lanatum var. integrifolium H. L. Mason 1922-7-27 335 Unknown Yosemite National Park, south of Porcupine Flat 2895 Comment
  GH48919  Callitriche autumnalis var. bicarpellaris H. L. Mason 1928-5-3 4445 Unknown four miles north of Clementes Comment
  GH67222  Elatine gracilis H. L. Mason 1952-8-17 14494 Unknown 0.4 mile south of Little Truckee River bridge, 6300 feet Comment
  GH91310  Linanthus bakeri H. L. Mason 1932-4-25 7015 Unknown Pilot Hill Comment
  SACT002059  Polypogon monspeliensis Herbert Mason, Verne Grant 1946-8-28 Unknown Pond on Highway 5 about 3 miles south of Daly City Road. Comment
  SEINET11810400  Parthenium argentatum R. E. Mason 1944-1 s.n. Unknown Fort Banning Comment
  SEINET11915111  Eriobotrya japonica R. E. Mason 1946-1 s.n. Unknown Oakland Comment
  SEINET12150946  Erythrina crista-galli E. Mason, Williams, E. 1945-1 s.n. Unknown Glendale Comment
  SEINET12218629  Echeveria R. E. Mason 1946-1 s.n. Unknown Oakland Comment
  SEINET12344129  Acanthus mollis E. Mason, Mason, R. E. 1946-1 s.n. Unknown Oakland Comment
  SEINET12899422 Image available Potamogeton nodosus H. L. Mason 1921-1 Unknown Comment
  SEINET12902603 Image available Egeria densa H. L. Mason 1938-1 12075 Unknown Comment
  SEINET4457213 Image available Pinus contorta H. L. Mason 1934-1 8146 Unknown Comment
  SEINET4457228 Image available Pinus albicaulis H. L. Mason 1936-1 11519 Unknown Comment
  SEINET4462102  Erysimum capitatum var. angustatum H. L. Mason 1933-1 Unknown Comment
  SEINET4462872 Image available Limnanthes douglasii var. sulphurea H. L. Mason, A. M. Carter 1938-1 1413 Unknown Comment
  SEINET8125239 Image available Carex cusickii H. L. Mason 1938-1 11923 Unknown Comment
  SEINET8130302 Image available Alnus incana H. L. Mason 1939-1 12172 Unknown Comment
  SEINET8159127 Image available Nasturtium officinale H. L. Mason 1941-1 12424 Unknown Comment
  UC1076026  Viola hallii Herbert L. Mason 1947-5-17 14781 Unknown Summit of Scott Mountain grade Comment
  UC1076040  Lewisia rediviva Herbert L. Mason 1947-5-17 14776 Unknown summit of Scott Mountain grade Trinity-Siskiyou County Line Comment
  UC1076041  Hesperochiron californicus Herbert L. Mason 1947-5-17 14797 Unknown above Scott Mt. grade (Siskiyou-Trinity county line) Comment
  UC1076044  Astragalus purshii var. tinctus Herbert L. Mason 1947-5-17 14779 Unknown summit Scott Mountain Grade (Trinity-Siskiyou counties) Comment
  UC1076051  Delphinium decorum subsp. tracyi Herbert L. Mason 1947-5-17 14782 Unknown summit Scott Mountain Grade (Trinity-Siskiyou counties) Comment
  UC1076056  Lewisia nevadensis Herbert L. Mason 1947-5-17 14795 Unknown above Scott Mountain grade (Siskiyou-Trinity counties) Comment
  UC1292653  Streptanthus Herbert L. Mason 1947-7-8 13275 Unknown State Hwy 20; Clear Lake to Williams Rd, Lake-Colusa co. line Comment
  UCD102512  Ribes speciosum H. L. Mason 1920-5-1 s.n. Unknown County and location unknown. Comment



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