Search Results — 356 specimen records retrieved (298 records with coordinates)
Results for search: County=MARIN; Source=All; Collector=Mason;   

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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC119397  Carex obnupta Herbert L. Mason 1946-7-24 12935 Marin Third lake (at Double Point) S of Bear Valley on road to Lake Ranch. Comment
  CAS-BOT-BC121644  Delphinium patens subsp. patens H. L. Mason 1917-4-28 s.n. Marin Mt. Tamalpais Comment
  CAS-BOT-BC123074  Limnanthes douglasii var. sulphurea Herbert Louis Mason; Annetta Mary Carter 1938-5-18 1413 Marin Point Reyes Peninsula, 12 miles from Inverness. Comment
  CAS-BOT-BC130031  Fritillaria affinis H. L. Mason 1917-4-28 s.n. Marin Mt. Tamalpais Comment
  CAS-BOT-BC13135  Agoseris hirsuta Herbert L. Mason 1917-4-28 s.n. Marin Mill Valley Comment
  CAS-BOT-BC147257  Rubus parviflorus H. L. Mason 1917-4-28 s.n. Marin Mt. Tamalpais Comment
  CAS-BOT-BC176076  Hesperolinon congestum H. L. Mason 1928-4-28 4409 Marin Tiburon Peninsula Comment
  CAS-BOT-BC191641  Garrya elliptica H. L. Mason 1928-3-24 4263 Marin Along cliffs on east side of Tomales Bay near Millerton Comment
  CAS-BOT-BC201436  Lupinus albifrons var. albifrons H. L. Mason 1917-3-10 54 Marin Lake Temescal Comment
  CAS-BOT-BC207278  Pickeringia montana var. montana Herbert L. Mason 1924-9-21 1106 Marin North slopoe of Mt. Tamalpais. Comment
  CAS-BOT-BC225292  Gilia capitata subsp. chamissonis Herbert Mason; Annetta Carter 1938-5-18 11840 Marin Point Reyes Peninsula, 12.5 miles from Inverness 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-BC226657  Leptosiphon grandiflorus Herbert L. Mason 1932-7-24 7123 Marin Point Reyes Comment
  CAS-BOT-BC26181  Monardella sinuata subsp. nigrescens Herbert Mason; Annetta Carter 1938-5-18 1417 Marin Point Reyes Peninsula, 12.5 miles from Inverness. Comment
  CAS-BOT-BC269584  Symphoricarpos albus var. laevigatus H. L. Mason 1917-4-28 s.n. Marin Mt. Tamalpais Comment
  CAS-BOT-BC37488  Cardamine californica Herbert L. Mason 1925-1-18 1180 Marin Hills north of San Rafael. Comment
  CAS-BOT-BC422663  Meconella californica H. L. Mason 1931-3-13 5810 Marin Lagunitas Creek Comment
  CAS-BOT-BC45863  Limnanthes douglasii var. sulphurea Charles T. Mason, Jr. 1948-5-16 1200 Marin Along Pt. Reyes road 13 mi. W of Inverness. Comment
  CAS-BOT-BC45864  Limnanthes douglasii var. sulphurea Charles T. Mason, Jr. 1948-5-16 1200 Marin Along Pt. Reyes road 13 mi. W of Inverness. 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-BC46850  Arctostaphylos virgata H. L. Mason 1935-4-12 8265 Marin Inverness Ridge 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-BC612  Dicentra formosa subsp. formosa Herbert L. Mason 1926-2-21 2649 Marin Road from Inverness to Point Reyes Lighthouse. Comment
  CAS-BOT-BC99420  Baccharis pilularis H. L. Mason 1922-3-18 s.n. Marin Near pipe line bridge, Mt. Tamalpais Comment
  HSC2203  Limnanthes douglasii H. L. Mason, Annatta Carter 1938-5-18 1413 Marin Point Reyes Peninsula, 12 mi. from Inverness Comment
  JEPS19481  Orobanche fasciculata Herbert L. Mason 1925-4-12 1321 Marin Mt. Tamalpais. Comment
  JEPS38862  Arctostaphylos virgata H. L. Mason 1929-2-17 Marin Inverness Ridge Comment
  JEPS38865 Image available Arctostaphylos virgata H. L. Mason 1929-2-17 Marin Inverness Ridge Comment
  LA62484  Monardella undulata Herbert L. Mason; Annetta M. Carter 1938-5-18 1417 Marin Point Reyes Peninsula, 12.5 mi. from Inverness Comment
  NY288747  Limnanthes douglasii var. sulphurea H. L. Mason 1938-5-18 1413 Marin Point Reyes Peninsula, 12 miles from Inverness Comment
  POM257152  Monardella undulata H. L. Mason, Annetta Carter 1938-5-18 1417 Marin Point Reyes Peninsula, 12.5 miles from Inverness. Comment
Read comments
Sep 4 2013
  POM257165  Gilia capitata subsp. chamissonis H. L. Mason, Annetta Carter 1938-5-18 11840 Marin Point Reyes Peninsula, 12.5 miles from Inverness. Comment
  POM257246  Clarkia amoena subsp. amoena H. L. Mason 1928-7-10 4881 Marin Along Tomales Bay, Millerton. Comment
  POM269513  Ranunculus orthorhynchus var. bloomeri H. L. Mason 1928-3-24 4266 Marin Millerton, Tomales Bay, Marin County Comment
  POM269863  Ranunculus lobbii H. L. Mason 1929-4-26 5223 Marin Near Olema along San Andreas Fault Rift 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
  RSA151810  Hesperolinon congestum H. L. Mason 1940-5-20 122289 Marin Back of Tiburon, Tiburon Peninsula. 30 Comment
  RSA23088  Gilia capitata subsp. chamissonis H. L. Mason, Annetta Carter 1938-5-18 11840 Marin Point Reyes Peninsula, 12.5 miles from Inverness. Comment
  RSA257186  Limnanthes douglasii subsp. sulphurea H. L. Mason, A. Carter 1938-5-18 1413 Marin Point Reyes Peninsula, 12 miles from Inverness Comment
  SBBG29859  Nasturtium officinale H. L. Mason 1941-5-24 12424 Marin Tomales Pt, 1 mi W of Indian Beach 91 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
  SEINET4173657 Image available Monardella undulata Herbert L. Mason, Annetta M. Carter 1938-5-18 1417 Marin Point Reyes Peninsula, 12 miles from Inverness Comment
  SEINET5763377 Image available Nasturtium officinale Herbert L. Mason 1941-1 12424 Marin Tomales Point, 1 mi W of Indian Beach 91 Comment
  UC1039587  Dodecatheon hendersonii Herbert L. Mason 1925-2-15 1239 Marin Mill Valley Comment
  UC1061639  Pinus muricata Herbert L. Mason Marin Inverness Comment
  UC1076072  Cupressus sargentii H. L. Mason 1926-2-28 2676 Marin just w of top West Peak; Mt. Tamalpais 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
  UC1076085  Chrysolepis chrysophylla Herbert L. Mason 1923-10-1 780 Marin Mount Tamalpais Comment
  UC1076087  Chrysolepis chrysophylla var. minor Herbert L. Mason 1925-10-4 2240 Marin n side Mt. Tamalpais Comment
  UC1076089  Lithocarpus densiflorus Herbert L. Mason 1924-10-12 1112 Marin se slope Mt. Tamalpais Comment
  UC1076093  Lithocarpus densiflorus Herbert L. Mason 1926-2-28 2673 Marin Mt. Tamalpais Comment
  UC1076205  Quercus garryana H. L. Mason 1925-10-4 2237 Marin near Phoenix Lake (n side of Mt. Tamalpais); Mt. Tamalpais 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
  UC1076335  Cheilanthes gracillima Herbert L. Mason 1925-2-1 1221 Marin Mt Tamalpais Comment
  UC1076337  Aspidotis californica Herbert L. Mason 1924-11-15 1133 Marin Willow Camp via Pipe line Willow Camp; Bolinas Bay Comment
  UC1076341  Selaginella wallacei Herbert L. Mason 1925-2-1 1224 Marin Mt. Tamalpais Comment
  UC1076428  Alnus rubra Herbert L. Mason 1924-11-16 1143 Marin Willow Camp Comment
  UC1076432  Berberis pinnata Herbert L. Mason 1926-2-21 2652 Marin rd from Inverness to Point Reyes Light Comment
  UC1076433  Berberis pinnata Herbert L. Mason 1926-2-21 2657 Marin rd from Inverness to Point Reyes Light (near summit of grade) Comment
  UC1076463  Equisetum hyemale subsp. affine H. L. Mason June 1930 5673 Marin Inverness Ridge Comment
  UC1077120  Blechnum spicant Herbert L. Mason 1926-2-22 2664 Marin Inverness Comment
  UC1081502  Castilleja foliolosa H. L. Mason 1925-1-18 1189 Marin San Rafael Comment
  UC1081510  Castilleja affinis subsp. neglecta H. L. Mason 1928-4-28 4402 Marin Tiburon Peninsula Comment
  UC1083141  Streptanthus niger Herbert L. Mason 1940-5-20 12290 Marin serpentine outcrop back of Tiburon Comment
  UC1083148  Corylus H. L. Mason Marin Marin County Comment
  UC1083179  Quercus X morehus H. L. Mason 1924-11-15 1132 Marin Willow Creek Comment
  UC1083180  Quercus chrysolepis H. L. Mason 1924-11-15 1138 Marin Willow Creek Rattlesnake 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
  UC1093983  Adiantum aleuticum Herbert L. Mason 1926-2-22 2663 Marin Inverness 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
  UC1100438  Carex harfordii Herbert L. Mason 1946-7-24 12936 Marin Third lake (at Double Point) S of Bear Valley on road to Lake Ranch Comment
  UC1100486  Carex obnupta Herbert L. Mason 1946-7-24 12935 Marin third lake (at Double Point) s Bear Valley (on road to Lake Ranch) Comment
  UC1100487  Carex obnupta Herbert L. Mason 1946-7-24 12919 Marin first lake s Bear Valley (2.8 mi n of Lake Ranch) Comment
  UC1100490  Carex obnupta Herbert L. Mason 1932-7-24 7122 Marin Inverness Ridge Comment
  UC1100498  Carex obnupta Herbert L. Mason 1932-7-24 7121 Marin Inverness Ridge Comment
  UC1100797  Scirpus californicus Herbert L. Mason 1946-7-24 12934 Marin Third Lake (at Double Point) s of Bear Valley on road to Lake Ranch; Third Lake (at Double Point) Comment
  UC1100798  Scirpus californicus Herbert L. Mason 1946-7-24 12918 Marin 2.8 mi n Lake Ranch (margin of first lake s of Bear Valley); margin of first lake s of Bear Valley Comment
  UC1101031  Juncus hesperius Herbert L. Mason 1946-7-24 12932 Marin second lake s. Bear Valley (on rd. to Lake Ranch) Comment
  UC1101032  Juncus hesperius Herbert L. Mason 1946-7-24 12931 Marin second lake s Bear Valley (on road to Lake Ranch) Comment
  UC1101200  Rumex conglomeratus Herbert L. Mason 1946-7-24 12930 Marin second lake s on road to Lake Ranch Bear Valley Comment
  UC1101372  Ranunculus aquatilis var. capillaceus Herbert L. Mason 1946-7-24 12940 Marin near Double Point; Lake Ranch Comment
  UC1101409  Crassula aquatica Herbert L. Mason 1946-7-24 12939 Marin Lake Ranch near Double Point Comment
  UC1101445  Hydrocotyle ranunculoides Herbert L. Mason and Verne Grant 1946-7-24 12917 Marin first lake s. Bear Valley (2.8 mi. n. of Lake Ranch) Comment
  UC1101506  Myriophyllum sibiricum Herbert L. Mason 1946-7-24 12941 Marin Lake Ranch, near Double Point. Comment
  UC1178814  Cryptantha flaccida Herbert L. Mason 1940-5-20 12292 Marin back of Tiburon Comment
  UC1178872  Collinsia heterophylla Herbert L. Mason 1940-5-20 12288 Marin outcrop back of Tiburon Comment
  UC1178874  Castilleja affinis subsp. neglecta Herbert L. Mason 1940-5-20 12286 Marin back of Tiburon Comment
  UC1178893  Allium lacunosum var. lacunosum Herbert L. Mason 1940-5-20 12291 Marin ourcrop back of Tiburon Comment
  UC1179013  Quercus wislizeni Herbert L. Mason 1925-10-4 2241 Marin n side Mt. Tamalpais Comment
  UC1179034  Juncus bolanderi Herbert L. Mason 1932-7-24 7117 Marin Inverness Ridge Comment
  UC1179036  Juncus effusus subsp. pacificus Herbert L. Mason 1932-7-24 7114 Marin Inverness Ridge Comment
  UC1191135  Luzula macrantha Herbert L. Mason 1925-2-1 1216 Marin Hills above Mill Valley 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
  UC1191511  Ribes divaricatum var. pubiflorum Herbert L. Mason 1946-7-24 12933 Marin second lake s Bear Valley (on road to Lake Ranch) Comment
  UC1191512  Ribes divaricatum var. pubiflorum Herbert L. Mason 1946-7-24 12927 Marin second lake s Bear Valley (on road to Lake Ranch) Comment
  UC1191513  Ribes menziesii Herbert L. Mason 1946-7-24 12924 Marin second lake s Bear Valley (on road to Lake Ranch) Comment
  UC1191514  Ribes menziesii Herbert L. Mason 1946-7-24 12920 Marin 2.8 mi n Lake Ranch (first lake s of Bear Valley) 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
  UC1191952  Oenanthe sarmentosa Herbert L. Mason 1946-7-24 12928 Marin 2nd. lake s. Bear Valley (on rd to Lake Ranch) Comment
  UC1192010  Galium trifidum Herbert L. Mason 1946-7-24 12937 Marin third lake (at Double Point) s Bear Valley (on road to Lake Ranch) Comment
  UC1192127  Senecio glomeratus Herbert L. Mason 1946-7-24 12923 Marin 2.8 mi n Lake Ranch (margin of first lake s of Bear Valley) Comment
  UC1192220  Helenium puberulum Herbert L. Mason 1946-7-24 12929 Marin second lake s Bear Valley (on road to Lake Ranch) Comment
  UC1192369  Athyrium filix-femina var. cyclosorum Herbert L. Mason 1946-7-24 12938 Marin Third lake (at Double Point) s of Bear Valley (on rd to Lake Ranch) Comment
  UC1199813  Cerastium arvense Herbert L. Mason 1928-2-18 4159 Marin Point Reyes, Inverness Ridge Comment
  UC1199818  Eriophyllum confertiflorum var. confertiflorum Herbert L. Mason 1940-5-20 12287 Marin back of Tiburon Comment
  UC1199857  Dodecatheon hendersonii Herbert L. Mason 1926-3-6 2692 Marin Corte Madera Ridge Comment
  UC1212434  Hesperolinon congestum Herbert L. Mason 1940-5-20 12289 Marin serpentine outcrop back of Tiburon; Tiburon Peninsula 30 Comment
  UC1714389  Mentha canadensis H. L. Mason 1925-9-17 2226 Marin in stream bed at e end Lake Lagunitas; e end of Lake Lagunitas Comment
  UC501346  Torreya californica Herbert L. Mason 1925-4-12 1322 Marin Mt. Tamalpais Comment
  UC543759  Aristolochia californica Herbert L. Mason 1926-3-6 2683 Marin near Ross Comment
  UC555291  Heteromeles arbutifolia H. L. Mason 1925-10-4 2239 Marin n side Mt. Tamalpais Comment
  UC555294  Rubus spectabilis H. L. Mason 1926-2-21 2644 Marin Inverness Comment
  UC555322  Heteromeles arbutifolia H. L. Mason 1924-11-15 1140 Marin Willow Camp Rattlesnake, Steep Ravine (via Pipe Line, Rattlesnake and Steep Ravine) Comment
  UC555332  Thermopsis californica var. californica Herbert L. Mason 1925-4-12 1332 Marin Pipe Line Trail Mt. Tamalpais Comment
  UC555347  Thermopsis californica var. californica Herbert L. Mason 1928-4-13 4318 Marin hills n San Rafael Comment
  UC555349  Thermopsis californica var. californica Herbert L. Mason 1928-4-28 4396 Marin Tiburon Peninsula Comment
  UC555356  Trifolium depauperatum var. amplectens Herbert L. Mason 1925-4-12 1344 Marin Mt. Tamalpais Comment
  UC555357  Trifolium depauperatum var. amplectens H. L. Mason 1928-4-13 4312 Marin n San Rafeal Co. (marshy meadow) Comment
  UC555366  Trifolium variegatum var. melananthum H. L. Mason 1928-4-28 4393 Marin Tiburon Peninsula Comment
  UC555370  Trifolium depauperatum var. truncatum H. L. Mason 1928-4-28 4439 Marin Tiburon Peninsula Comment
  UC555377  Trifolium variegatum var. melananthum H. L. Mason 1928-4-13 4311 Marin n San Rafael Comment
  UC555453  Trifolium fucatum H. L. Mason 1928-4-28 4411 a 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
  UC555475  Pickeringia montana var. montana Herbert L. Mason 1925-4-12 1343 Marin Pipe Line Trail Mt. Tamalpais Comment
  UC555483  Trifolium albopurpureum var. dichotomum H. L. Mason 1928-4-28 4398 Marin Tiburon Peninsula Comment
  UC555529  Lotus formosissimus H. L. Mason 1928-3-24 4264 Marin Millerton Tomales Bay Comment
  UC555530  Lotus formosissimus H. L. Mason 1928-4-13 4308 Marin n of San Rafael Comment
  UC555543  Lotus junceus var. biolettii Herbert L. Mason 1925-4-12 1331 Marin Mt. Tamalpais Comment
  UC555579  Trifolium willdenovii H. L. Mason 1928-4-28 4405 Marin Tiburon Peninsula Comment
  UC555591  Trifolium gracilentum H. L. Mason 1928-4-28 4397 Marin Tiburon Peninsula Comment
  UC555603  Trifolium barbigerum H. L. Mason 1928-4-28 4392 Marin Tiburon Peninsula Comment
  UC555609  Trifolium microdon H. L. Mason 1928-4-28 4406 Marin Tiburon peninsula Comment
  UC555703  Physocarpus capitatus H. L. Mason 1925-9-17 2232 Marin Ross Valley to Lake Lagunitas Comment
  UC565464  Arabis blepharophylla H. L. Mason 1928-2-18 4157 Marin Inverness Ridge Pt. Reyes 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
  UC566654  Senecio aronicoides H. L. Mason 1928-2-18 4161 Marin Inverness Ridge , Inverness Ridge (Point Reyes) Comment
  UC566741  Lasthenia glaberrima H. L. Mason 1928-4-13 4313 Marin n San Rafael Comment
  UC566743  Eriophyllum lanatum var. arachnoideum Herbert L. Mason 1925-4-12 1334 Marin Pipe line trail in chaparral; Mt. Tamalpais Comment
  UC566813  Lomatium utriculatum H. L. Mason 1928-4-28 4400 Marin Tiburon Peninsula Comment
  UC566868  Lomatium dasycarpum subsp. dasycarpum H. L. Mason 1928-4-28 4401 Marin Tiburon Peninsula Comment
  UC566913  Fraxinus latifolia H. L. Mason 1925-9-17 2225 Marin Ross Valley to Lake Lagunitas 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
  UC570756  Callitriche heterophylla var. bolanderi H. L. Mason 1929-4-26 5224 Marin near Olema (along San Andreas fault rift) Comment
  UC570772  Callitriche H. L. Mason 1932-3-1 6801 Marin Inverness Ridge Comment
  UC570778  Callitriche H. L. Mason 1932-3-1 6802 Marin Inverness Ridge Comment
  UC570811  Polygala californica Herbert L. Mason 1925-4-12 1330 Marin Pipe line trail Mt. Tamalpais, Pipe line trail (Mt. Tamapais) Comment
  UC570815  Ribes menziesii Herbert L. Mason 1926-2-21 2647 Marin Inverness Comment
  UC570861  Parnassia californica Herbert L. Mason 1924-11-15 1136 Marin Mount Tamalpais, Rattlesnake Camp Mount Tamalpais; , Rattlesnake Camp Comment
  UC570906  Whipplea modesta Herbert L. Mason 1925-4-12 1338 Marin Mt. Tamalpais; Pipe Line trail Comment
  UC570945  Saxifraga californica Herbert L. Mason 1926-3-6 2688 Marin Mount Tamalpais Comment
  UC570962  Ribes sanguineum var. glutinosum H. L. Mason 1926-2-21 2656 Marin Inverness Comment
  UC570963  Ribes sanguineum var. glutinosum Herbert L. Mason 1926-2-21 2645 Marin Inverness Comment
  UC570980  Ribes menziesii Herbert L. Mason 1926-2-21 2661 Marin Point Reyes Comment
  UC570984  Rhamnus californica subsp. californica Herbert L. Mason 1926-2-21 2648 Marin along road from Inverness to Point Reyes Comment
  UC570987  Rhamnus crocea Herbert L. Mason 1925-10-4 2238 Marin s of Phoenix Lake Comment
  UC571050  Ledum glandulosum H. L. Mason 1930-6-1 5672 Marin Invernesss Ridge Comment
  UC571053  Ledum glandulosum H. L. Mason 1926-2-21 2657 Marin on road from Point Reyes Light 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
  UC571089  Arctostaphylos canescens subsp. canescens H. L. Mason 1926-2-28 2670 Marin West Peak Mt. Tamalpais Comment
  UC571119  Hesperolinon congestum H. L. Mason 1928-4-28 4409 Marin Tiburon Peninsula Comment
  UC571123  Oxalis oregana Herbert L. Mason 1925-4-12 1340 Marin Mt. Tamalpais Comment
  UC571131  Geranium molle H. L. Mason 1927-4-26 5212 Marin road from Fairfax to crest of Bolinas (via Alpine Dam) Comment
  UC571143  Crassula connata var. subsimplex H. L. Mason 1926-3-6 2693 Marin Corte Madera Ridge Comment
  UC571175  Iris macrosiphon H. L. Mason 1926-3-6 2685 Marin near Lake Lagunitas Comment
  UC571180  Iris douglasiana H. L. Mason 1926-2-28 2674 Marin border of stream near West Point; Mt. Tamalpais Comment
  UC571181  Iris douglasiana Herbert L. Mason 1925-4-12 1342 Marin Mount Tamalpais Comment
  UC571206  Arctostaphylos glandulosa subsp. glandulosa H. L. Mason 1925-2-1 1220 Marin Mt. Tamalpais Comment
  UC571208  Arctostaphylos uva-ursi Herbert L. Mason 1926-2-21 2653 Marin near summit of road from Inverness to Point Reyes Light Comment
  UC571222  Arctostaphylos nummularia H. L. Mason 1925-2-1 1219 Marin Mount Tamalpais Comment
  UC571223  Arctostaphylos nummularia Herbert L. Mason 1925-4-12 1323 Marin Mt. Tamalpais Comment
  UC571233  Arctostaphylos virgata H. L. Mason 1926-2-21 2658 Marin near summit of road from Inverness to Point Reyes Light Comment
  UC571234  Arctostaphylos virgata H. L. Mason 1926-2-21 2650 Marin near summit of road from Inverness to Point Reyes Light Comment
  UC581106  Pinus muricata H. L. Mason 1935-4-12 8266 Marin Inverness Ridge Comment
  UC581120  Arctostaphylos virgata H. L. Mason 1935-4-12 8265 Marin Inverness Ridge Comment
  UC581489  Viola adunca H. L. Mason 1928-2-18 4163 Marin Inverness Ridge; Point Reyes Comment
  UC581510  Viola adunca H. L. Mason 1926-2-21 2654 Marin near summit of Inverness Ridge (on Point Reyes Road) Comment
  UC592134  Nemophila menziesii var. atomaria H. L. Mason 1928-3-24 4268 Marin Millerton , Millerton (Tomales Bay) Comment
  UC592152  Streptanthus glandulosus subsp. secundus Herbert L. Mason 1926-3-6 2690 Marin Corte Madera Ridge Mt. Tamalpais Comment
  UC629763 Image available Limnanthes douglasii H. L. Mason and A. M. Carter 1938-5-18 1413 Marin 12 mi from Inverness (on crest of ridge); Point Reyes Peninsula Comment
  UC629776  Gilia capitata subsp. chamissonis Herbert Mason, Annetta Carter 1938-5-18 11840 Marin 12.5 mi from Inverness (Point Reyes Peninsula); , 12.5 mi from Inverness Comment
  UC629778  Monardella undulata Herbert Mason, Annetta Carter 1938-5-18 1417 Marin 12.5 mi from Inverness; Point Reyes Peninsula Comment
Read comments
Sep 4 2013
  UC634572  Ceanothus gloriosus var. gloriosus H. L. Mason 1926-2-21 2662 Marin near lighthouse on sea cliffs, Point Reyes Comment
  UC634575  Ceanothus thyrsiflorus Herbert L. Mason 1926-2-21 2651 Marin Inverness Comment
  UC634588  Ceanothus velutinus Herbert L. Mason 1926-4-12 3639 Marin Baltimore Park Trail--Corte Madera Ridge , Corte Madera Ridge (Mt. Tamalpais) Comment
  UC634642  Garrya fremontii H. L. Mason 1925-2-1 1227 Marin Mount Tamalpais Comment
  UC634704  Clarkia amoena subsp. amoena H. L. Mason 1928-7-10 4881 Marin Millerton Tomales Bay Comment
  UC634724  Vaccinium ovatum Herbert L. Mason 1925-4-12 1324 Marin Mt. Tamalpais Comment
  UC634725  Vaccinium ovatum H. L. Mason 1928-2-18 4165 Marin Inverness Ridge Point Reyes Comment
  UC634735  Rhododendron occidentale H. L. Mason 1924-11-15 1135 Marin Mount Tamalpais, Rattlesnake Trail Mount Tamalpais; , Rattlesnake Trail Comment
  UC634745  Arctostaphylos uva-ursi H. L. Mason 1930-3-9 5520 Marin summit of promontory Point Reyes Comment
  UC634764  Garrya elliptica H. L. Mason 1925-2-2 1226 Marin Mount Tamalpais Comment
  UC634767  Garrya elliptica H. L. Mason 1926-2-28 2672 Marin Mount Tamalpais Comment
  UC634768  Garrya elliptica H. L. Mason 1928-3-24 4263 Marin near Millerton (e side of Tomales Bay); Tomales Bay Comment
  UC634785  Lomatium dasycarpum subsp. dasycarpum H. L. Mason 1925-1-18 1185 Marin near San Rafael Comment
  UC634817  Garrya elliptica H. L. Mason 1925-2-1 1228 Marin Mount Tamalpais Comment
  UC634853  Ceanothus velutinus Herbert L. Mason 1926-3-6 2699 Marin Corte Madera Ridge , Corte Madera Ridge (Mt. Tamalpais) Comment
  UC634877  Mentha canadensis H. L. Mason 1925-9-17 2226 Marin in stream bed at e end Lake Lagunitas; e end of Lake Lagunitas Comment
  UC634895  Crocanthemum scoparium var. vulgare Herbert L. Mason 1925-4-12 1335 Marin Pipe line trail Mt. Tamalpais Comment
  UC634941  Claytonia exigua subsp. exigua H. L. Mason 1926-3-6 2689 Marin n side Mount Tamalpais Comment
  UC634942  Montia fontana H. L. Mason 1926-3-6 2686 Marin near Lake Lagunitas Comment
  UC634969  Ranunculus lobbii H. L. Mason 1929-4-26 5223 Marin pool near Olema; San Andreas Fault Rift Comment
  UC634976  Ranunculus orthorhynchus var. bloomeri H. L. Mason 1928-3-24 4266 Marin Millerton; Tomales Bay Comment
Read comments
May 25 2011
  UC634978  Ranunculus orthorhynchus var. bloomeri H. L. Mason 1928-4-13 4314 Marin n San Rafael Comment
  UC635022  Calystegia purpurata H. L. Mason 1924-11-16 1154 Marin Willow Camp , Willow Camp (Mount Tamalpais) Comment
  UC635028  Aristolochia californica Herbert L. Mason 1926-3-6 2683 Marin near Ross Comment
  UC635120  Agoseris hirsuta H. L. Mason 1928-3-24 4263 a Marin Millerton; Tomales Bay Comment
  UC635143  Stachys ajugoides var. rigida H. L. Mason 1924-11-16 1144 Marin Willow Camp Mount Tamalpais Comment
  UC635210  Allium lacunosum H. L. Mason 1928-4-28 4391 Marin Tiburon Peninsula Comment
  UC635263  Allium unifolium H. L. Mason 1928-4-28 4390 Marin Tiburon Peninsula Comment
  UC635301  Astragalus gambelianus H. L. Mason 1928-4-28 4404 Marin Tiburon Peninsula Comment
  UC635347  Delphinium decorum H. L. Mason 1928-3-24 4265 Marin Millerton Comment
  UC635354  Delphinium nudicaule Herbert L. Mason 1925-4-12 1341 Marin Pipeline Trail Mt. Tamalpais Comment
  UC635446  Dendromecon rigida Herbert L. Mason 1925-4-12 1339 Marin Pipe line trail Mt. Tamalpais Comment
  UC635454  Dicentra formosa H. L. Mason 1926-2-21 2649 Marin road from Inverness to Point Reyes Lighthouse Comment
  UC635480  Eschscholzia californica H. L. Mason 1924-11-15 1157 Marin Willow Camp Bolinas Bay Comment
  UC635485  Meconella californica H. L. Mason 1931-3-13 5810 Marin Lagunitas Creek Comment
  UC635492  Claytonia sibirica H. L. Mason 1926-2-21 2655 Marin road from Inverness to Point Reyes Lighthouse (near summit of grade) Comment
  UC635499  Umbellularia californica H. L. Mason 1924-11-15 1139 Marin Mount Tamalpais, Willow Camp Mount Tamalpais; , Willow Camp Comment
  UC635523  Ceanothus foliosus Herbert L. Mason 1925-2-1 1217 Marin hills above Mill Valley Mt. Tamalpais Comment
  UC635526  Ceanothus foliosus Herbert L. Mason 1925-4-12 1329 Marin Pipeline Trail Mt. Tamalpais Comment
  UC635528  Ceanothus jepsonii var. jepsonii Herbert L. Mason 1926-2-28 2675 Marin West Peak, Mount Tamalpais Comment
  UC635632  Limnanthes douglasii subsp. douglasii H. L. Mason 1928-4-13 4310 Marin marshy meadow n San Rafael (near sloughs) Comment
  UC635650  Campanula californica H. L. Mason 1932-7-24 7116 Marin marsh Inverness Ridge Comment
  UC635706  Soliva sessilis H. L. Mason 1928-4-13 4315 Marin hills n San Rafael Comment
  UC665663  Rorippa nasturtium-aquaticum Herbert L. Mason 1941-5-24 12424 Marin Tomales Point one mi w Indian Beach; Tomales Point, w of Indian Beach 91 Comment
  UC672092  Maianthemum dilatatum Herbert L. Mason 1929-4-26 5226 Marin marsh near summit Light House Rd. Inverness Ridge Comment
  UC672107  Fritillaria affinis Herbert L. Mason 1928-3-24 4261 Marin Tomales Bay, Millerton Millerton; Tomales Bay, Millerton Comment
  UC672110  Fritillaria affinis Herbert L. Mason 1926-2-28 2671 Marin w peak of Mount Tamalpais Mount Tamalpais Comment
  UC672138  Camassia quamash Herbert L. Mason 1929-4-26 5225 Marin Inverness Ridge, near summit of Light House Road Inverness Ridge; , Light House Road Comment
  UC672237  Micropus californicus var. californicus Herbert L. Mason 1928-4-13 4317 Marin hill n San Rafael Comment
  UC672280  Hesperevax sparsiflora var. sparsiflora H. L. Mason 1928-4-28 4411 Marin Tiburon Peninsula Comment
  UC672297  Eurybia radulina H. L. Mason 1925-9-17 2228 Marin near Phoenix Lake Comment
  UC672309  Baccharis pilularis Herbert L. Mason 1924-11-16 1149 Marin Willow Camp Comment
  UC672331  Phacelia divaricata Herbert L. Mason 1925-4-12 1328 Marin Pipe line trail Mt. Tamalpais Comment
  UC672363  Romanzoffia californica Herbert L. Mason 1927-4-26 5215 Marin rd. from Fairfax to summit via Alpine Dam Comment
  UC672374  Eriodictyon californicum Herbert L. Mason 1925-4-12 1336 Marin Mt. Tamalpais; Pipe Line Trail Comment
  UC672418  Phacelia distans Herbert L. Mason 1928-4-28 4395 Marin Tiburon Peninsula Comment
  UC672419  Phacelia distans Herbert L. Mason 1928-4-28 4418 Marin Tiburon Peninsula Comment
  UC672450  Torreya californica H. L. Mason 1925-9-17 2334 Marin Rose Valley to Lake Lagunitas Comment
  UC672464  Limosella acaulis Herbert L. Mason 1925-9-17 2229 Marin Phoenix Lake Comment
  UC672478  Collinsia heterophylla H. L. Mason 1928-4-13 4319 Marin hills n of San Rafael Comment
  UC672490  Cordylanthus maritimus subsp. palustris H. L. Mason June, 1930 5670 Marin Dillons Beach; just above tidewater Comment
  UC672549  Gratiola ebracteata Herbert L. Mason 1925-9-17 2230 Marin Ross Valley to Lake Lagunitas; Ross Valley to Lake Lagunitas Comment
  UC672604  Myrica californica Herbert L. Mason 1924-10-12 1113 Marin s.e. slope Mt. Tamalpais Comment
  UC672609  Myrica californica Herbert L. Mason 1925-4-12 1325 Marin Mt. Tamalpais, Pipe Line Trail 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
  UC673291  Cakile edentula Herbert L. Mason 1924-11-16 1145 Marin Stinson Beach, Willow Camp Stinson Beach; , Willow Camp Comment
  UC673298  Cardamine californica Herbert L. Mason 1925-1-18 1180 Marin hills n San Rafael; hills n of San Rafael Comment
  UC673395  Dodecatheon hendersonii Herbert L. Mason 1925-2-1 1229 Marin Lake Lagunitas Comment
  UC673398  Dodecatheon hendersonii Herbert L. Mason 1925-2-1 1215 Marin near Mount Tamalpais (above Mill Valley); near Mount Tamalpais, above Mill Valley Comment
  UC673437  Castilleja densiflora subsp. densiflora H. L. Mason 1928-4-28 4394 Marin Tiburon Peninsula Comment
  UC673453  Triphysaria versicolor subsp. faucibarbata H. L. Mason 1928-3-24 4267 Marin Millerton Tomales Bay (Tomales Bay) Comment
  UC673461  Castilleja attenuata H. L. Mason 1928-4-13 4316 Marin n of San Rafael Comment
  UC673466  Castilleja rubicundula subsp. lithospermoides H. L. Mason 1928-4-28 4408 Marin Tiburon Peninsula Comment
  UC673548  Synthyris reniformis H. L. Mason 1931-3-13 5809 Marin Lagunitas Creek Comment
  UC843711  Calochortus umbellatus H. L. Mason 1917-4-28 Marin Mill Valley Comment
  UC866578  Thermopsis californica var. californica H. L. Mason 1917-4 Marin Mt. Tamalpais Comment
  UC907887  Linanthus grandiflorus H. L. Mason 1932-7-24 7123 Marin Point Reyes Comment
  UC908743  Collomia heterophylla Herbert L. Mason 1925-3-18 1302 Marin along Pipe-line trail Mt. Tamalpais Comment
  UC908876  Navarretia squarrosa H. L. Mason 1925-9-17 2231 Marin Phoenix Lake Comment
  UC908980  Gilia achilleifolia subsp. multicaulis Herbert L. Mason 1925-4-12 1337 Marin Pipe line trail Mount Tamilpais, Mill Valley (Mill Valley, Mount Tamalpais) Comment
  UC909079  Linanthus parviflorus Herbert L. Mason 1932-7-24 7124 Marin Point Reyes Comment
  UC909118  Phlox gracilis Herbert L. Mason 1928-4-13 4320 Marin n of San Rafael Comment
  UC912298  Abronia Herbert L. Mason 1924-11-16 1151 Marin Stinson Beach, Willow camp Comment
  UC912330  Lessingia micradenia var. micradenia Herbert L. Mason 1925-9-17 2233 Marin near Phoenix Lake Comment
  UC912452  Sambucus racemosa var. racemosa Herbert L. Mason 1924-11-16 1156 Marin lowlands back of dunes; Willow Camp Comment
  UC912488  Delphinium variegatum Herbert L. Mason 1928-4-13 4321 Marin hills n San Rafael Comment
  UC912528  Abronia Herbert L. Mason 1924-11-16 1152 Marin Stinson beach, Willow Camp Comment
  UC912581  Melica torreyana H. L. Mason 1928-4-28 4414 Marin Tiburon Peninsula Comment
  UC912590  Calycadenia multiglandulosa Herbert L. Mason 1928-4-28 4410 Marin Tiburon Peninsula Comment
  UC912647  Danthonia californica H. L. Mason 1928-4-28 4415 Marin Tiburon Peninsula Comment
  UC912648  Koeleria macrantha H. L. Mason 1928-4-28 4416 Marin Tiburon Peninsula Comment
  UC912649  Melica californica H. L. Mason 1928-4-28 4417 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
  UC936137  Lemna gibba Herbert L. Mason 1946-7-24 12916 Marin 2.8 mi n of Lake Ranch (e side of Drakes Bay); Drakes Bay 60 Comment
  UC971815  Limnanthes douglasii subsp. sulphurea Charles T. Mason Jr. 1948-5-16 1200 Marin 13 mi w Inverness (along Pt. Reyes road) Comment
  UC971828  Limnanthes douglasii subsp. sulphurea Herbert L. Mason 1941-5-23 Marin Point Reyes Peninsula 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
  UC971876  Limnanthes douglasii subsp. douglasii Charles T. Mason Jr. 1948-3-14 1198 Marin Petaluma-Point Reyes road 0.5 mi se junction with Fairfax-Nicasio-Point Reyes road Comment
  UC971877  Limnanthes douglasii subsp. douglasii Charles T. Mason Jr. 1948-3-15 1199 Marin along Petaluma-Pt. Reyes road 1 mi ne junction with Fairfax-Nicasio-Pt. Reyes 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
  UCD102280  Ribes menziesii Herbert L. Mason 1946-7-24 12924 Marin Second lake south of Bear Valley on road to Lake Ranch. Comment
  UCD125244  Monardella sinuata subsp. nigrescens Herbert Mason; Annetta Carter 1938-5-18 1417 Marin Point Reyes Peninsula, 12.5 miles from Inverness. 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-BC267285  Campanula californica H. L. Mason 1932-7-24 7116 Marin Marsh on Inverness Ridge Comment
  CAS-BOT-BC363334  Senecio aronicoides H. L. Mason 1917-1-1 s.n. Marin Mt. Tamalpais Comment
  CAS-BOT-BC365876  Soliva sessilis H. L. Mason 1928-4-13 4315 Marin Hills north of San Rafael Comment
  CAS-BOT-BC378888  Ranunculus californicus var. californicus H. L. Mason 1925-1-18 1181 Marin San Rafael to Forbes Comment
  CAS-BOT-BC403199  Eschscholzia californica H. L. Mason 1924-11-15 1157 Marin In vacant lots at Willow Camp, Bolinas Bay Comment
  CAS-BOT-BC443947  Claytonia sibirica H. L. Mason 1926-2-21 2655 Marin Road from Inverness to Point Reyes Lighthouse Comment
  CAS-BOT-BC472710  Allium lacunosum var. lacunosum H. L. Mason 1928-4-28 s.n. Marin Tiburon Peninsula Comment
  CAS-BOT-BC499922  Orobanche fasciculata H. L. Mason 1917-3-1 s.n. Marin Mt. Tamalpais Comment
  CAS-BOT-BC499950  Orobanche fasciculata H. L. Mason 1917-4-28 s.n. Marin Mt. Tamalpais Comment
  CAS-BOT-BC516334  Prosartes hookeri H. L. Mason 1917-4-4 75 Marin Tocaloma Comment
  CAS-BOT-BC517519  Prosartes smithii H. L. Mason 1917-4-4 76 Marin Tocaloma Comment
  CAS-BOT-BC518992  Scoliopus bigelovii H. L. Mason 1917-4-4 74 Marin Tocaloma Comment
  CAS-BOT-BC519107  Trillium chloropetalum var. chloropetalum H. L. Mason 1917-4-4 80 Marin Tocaloma Comment
  CAS-BOT-BC526458  Triteleia laxa H. L. Mason 1917-4-28 s.n. Marin Mill Valley Comment
  CAS-BOT-BC536868  Viola glabella H. L. Mason 1917-4-4 77 Marin Tocaloma Comment
  CAS-BOT-BC600  Dicentra formosa subsp. formosa Herbert L. Mason 1917-4-4 73 Marin Tocaloma Comment
  CAS-BOT-BC60413  Nasturtium officinale Herbert L. Mason 1941-5-24 12424 Marin Tomales Point, one mile west of Indian Beach. 91 Comment
  CAS-BOT-BC9967  Delphinium nudicaule Herbert L. Mason 1917-4-28 s.n. Marin Mt. Tamalpias Comment
  JEPS18341  Fritillaria affinis Herbert L. Mason 1930-3-9 5519 Marin on summit of promontory forming Point Reyes Comment
  POM257238  Dicentra formosa subsp. formosa H. L. Mason 1926-2-21 2649 Marin Road from Inverness to Point Reyes Lighthouse Comment
  POM264332  Nasturtium officinale H. L. Mason 1941-5-24 12424 Marin Tomales Point, 1 mile W of Indian Beach. 91 Comment
  POM311137  Limnanthes douglasii subsp. douglasii Charles T. Mason Jr. 1948-3-15 1199 Marin Along Petaluma-Pt. Reyes road 1 mi. NE of junction with Fairfax-Nicasio-Pt. Reyes Road. Comment
  POM312827  Juncus hesperius H. L. Mason 1946-7-24 12931 Marin Second lake south of Bear Valley on road to Lake Ranch. Comment
  POM312969  Sparganium erectum subsp. stoloniferum H. L. Mason 1946-7-24 12925 Marin Second lake south of Bear Valley on road to Lake Ranch. Comment
  RSA268389  Ranunculus californicus H. L. Mason 1925-1-18 1181 Marin San Rafael to Forbes Comment
  RSA435680  Limnanthes douglasii subsp. douglasii H. L. Mason, Annetta Carter 1938-5-18 s.n. Marin Point Reyes Peninsula, 12 miles from Inverness Comment
  RSA92271  Calycadenia multiglandulosa subsp. bicolor H. L. Mason 1928-4-28 4410 Marin Tiburon Peninsula 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
  SEINET8727026 Image available Limnanthes douglasii Charles T. Mason 1948-1 1199 Marin Along Petaluma-Pt. Reyes road 1 mi. NE of junction with Fairfax-Nicasio-Pt. Reyes road. Comment
  UC1039586  Dodecatheon hendersonii Herbert L. Mason 1925-1-18 1187 Marin Forbes Comment
  UC1048128  Hypochaeris radicata H. L. Mason 1938-5-1 652 Marin Point Reyes Comment
  UC1093989  Polypodium scouleri Herbert L. Mason 1930-3-9 5522 Marin Pt. Reyes Comment
  UC1178023  Potamogeton natans Herbert L. Mason 1946-7-24 12942 Marin Lakes Ranch Comment
  UC1191711  Epilobium ciliatum subsp. watsonii Herbert L. Mason 1946-7-24 12938 a Marin Pond 3 Double Point Comment
  UC555364  Trifolium wormskioldii H. L. Mason 1927-4-26 5221 Marin in bog at base of rd where stream empty into Bolinas Bay Comment
  UC555495  Trifolium barbigerum H. L. Mason 1927-4-26 5220 Marin w Bolinas Ridge (in bog at base of rd where stream empties into Bay) Comment
  UC555608  Trifolium macraei H. L. Mason 1927-4-26 5219 Marin w side Bolinas Ridge Comment
  UC566745  Eriophyllum staechadifolium H. L. Mason 1924-11-16 1153 Marin hills back of sand dunes; Willow Camp 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
  UC570771  Callitriche H. L. Mason 1932-3-1 6804 Marin w side Olema (to Bolinas Road) Comment
  UC571160  Trifolium ciliolatum H. L. Mason 1927-4-26 5213 Marin Rd from Fairfax to crest of Bolinas Ridge Dam 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
  UC634981  Ranunculus californicus H. L. Mason 1925-1-18 1181 Marin San Rafael-Forbes Comment
  UC635232  Dichelostemma capitatum H. L. Mason 1925-1-18 1182 Marin San Rafael to Forbes Comment
  UC635399  Camissoniopsis cheiranthifolia subsp. cheiranthifolia H. L. Mason 1924-11-16 1147 Marin sand dunes Comment
  UC672085  Scoliopus bigelovii Herbert L. Mason 1925-2-1 1231 Marin Mt. Tamalpais, Lagunitas Rd. Comment
  UC672103  Fritillaria affinis Herbert L. Mason 1930-3-9 5519 Marin Point Reyes Comment
  UC672471  Collinsia sparsiflora var. collina H. L. Mason 1927-4-26 5211 Marin road from Fairfax to crest of Bolinas (via Alpine Dam) Comment
  UC912481  Blennosperma nanum Herbert L. Mason 1926-2-21 2660 Marin along roadside on flats near sea from Inverness to Point Reyes Light House Inverness Comment
  UC912490  Delphinium H. L. Mason 1928-4-28 4407 Marin Tiburon Peninsula Comment
  UCD135500  Senecio glomeratus Herbert L. Mason 1946-7-24 12923 Marin margin of first lake south of Bear Valley, 2.8 miles north of Lake Ranch. Comment
  UCD136028  Blechnum spicant Herbert L. Mason 1926-2-22 2664 Marin Inverness Ridge. Comment
  UCD136912  Polypodium scouleri Herbert L. Mason 1924-11-16 1150 Marin Willow Camp. Comment
  UCD137471  Cheilanthes gracillima H. L. Mason 1925-2-1 1221 Marin Mt. Tamalpais. Comment



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