Search Results — 545 specimen records retrieved (457 records with coordinates)
Results for search: County=LAKE; Source=All; Collector=Mason;   

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC10380  Paeonia brownii Herbert L. Mason 1936-5-2 11110 Lake Bartlett Mountain Road, 4 miles above Lucerne 1219 Comment
  CAS-BOT-BC112807  Eleocharis macrostachya Herbert L. Mason 1946-7-27 12947 Lake Clear Lake, 2-3 miles north of Lakeport. Comment
  CAS-BOT-BC114107  Cyperus squarrosus Herbert L. Mason 1945-8-24 12686 Lake East Shore, Lower Lake. Comment
  CAS-BOT-BC123862  Gratiola heterosepala Herbert Louis Mason; Rimo Carlo Felice Bacigalupi 1953-6-8 14544 Lake SW margin of Boggs Lake (west base of Mount Hanna) Comment
  CAS-BOT-BC125952  Salix scouleriana H. L. Mason 1926-1-1 2588 Lake Near summit of Elk Mountain Comment
  CAS-BOT-BC167410  Hesperolinon bicarpellatum H. L. Mason 1930-6-1 5689 Lake Four miles east of Middletown Comment
  CAS-BOT-BC169777  Cistanthe quadripetala Herbert L. Mason 1936-4-26 11097 a Lake Bartlett Springs, 16 miles NE of Clear Lake 792 Comment
  CAS-BOT-BC176001  Hesperolinon californicum Herbert L. Mason 1946-5-30 12795 Lake Locomono Creek near Middletown Comment
  CAS-BOT-BC176005  Hesperolinon californicum Herbert L. Mason 1946-5-30 12795 Lake Locomono Creek near Middletown Comment
  CAS-BOT-BC176040  Hesperolinon clevelandii H. L. Mason 1934-5-5 8112 Lake East side of Mount Konocti Comment
  CAS-BOT-BC200701  Rhus aromatica H. L. Mason 1926-3-21 2763 Lake Toll House Canyon between Middletown and Mount St. Helena Comment
  CAS-BOT-BC212033  Cornus nuttallii H. L. Mason 1926-3-21 2781 Lake Near summit of road from Middletown to Mount St. Helena Comment
  CAS-BOT-BC213577  Eragrostis hypnoides Herbert L. Mason 1945-8-24 12678 Lake East shore, Lower Lake Comment
  CAS-BOT-BC213578  Eragrostis hypnoides Herbert L. Mason 1945-8-24 12678 Lake East shore, Lower Lake Comment
  CAS-BOT-BC213907  Navarretia pauciflora H. L. Mason 1945-5-12 12583 Lake 5 miles north of Lower Lake Comment
  CAS-BOT-BC221126  Salvia sonomensis H. L. Mason 1929-4-29 5252 Lake Between Kelseyville and Lower Lake Comment
  CAS-BOT-BC226553  Leptosiphon acicularis Herbert L. Mason 1933-4-30 7218 Lake Middletown Comment
  CAS-BOT-BC226560  Leptosiphon acicularis Herbert L. Mason 1929-4-29 5239 Lake East base of road from Hopland to Lakeport, 2.9 miles west of Lakeport Comment
  CAS-BOT-BC229526  Collomia diversifolia Herbert L. Mason 1938-5-1 11741 Lake 3 miles E of Middletown Comment
  CAS-BOT-BC229527  Collomia diversifolia Herbert L. Mason 1938-5-1 11741 Lake 3 miles E of Middletown Comment
  CAS-BOT-BC230276  Navarretia cotulifolia Herbert L. Mason 1945-5-12 12578 Lake E of Middletown, Locomono Creek Comment
  CAS-BOT-BC230308  Navarretia heterandra Herbert L. Mason 1946-5-30 12791 Lake Locomono Creek near Middletown Comment
  CAS-BOT-BC230319  Navarretia jepsonii Herbert L. Mason 1946-5-30 12792 Lake Locomono Creek near Middletown Comment
  CAS-BOT-BC232653  Navarretia pubescens Herbert L. Mason 1945-5-12 12579 Lake Locomono Creek, E of Middletown Comment
  CAS-BOT-BC26127  Gratiola heterosepala H. L. Mason; Rimo Bacigalupi 1953-6-8 14544 Lake in Boggs Lake, at southeastern shore 883 Comment
  CAS-BOT-BC26128  Gratiola heterosepala H. L. Mason; R. C. Bacigalupi 1953-6-8 14544 Lake on southwest margin of Boggs Lake, (west base of Mount Hanna) Comment
  CAS-BOT-BC265633  Paspalum distichum Herbert L. Mason 1946-7-27 12948 Lake Clear Lake, 2-3 miles north of Lakeport Comment
  CAS-BOT-BC27344  Eriastrum brandegeeae Herbert Louis Mason 1945-6-28 12604 Lake Obsidian Ridge, SE of Borax Lake. Comment
  CAS-BOT-BC28219  Bolboschoenus fluviatilis Herbert L. Mason 1946-7-27 12954 Lake Upper Lake - Lakeport Road. Comment
  CAS-BOT-BC28220  Bolboschoenus fluviatilis Herbert L. Mason 1945-8-24 12673 Lake East Shore, Lower Lake Comment
  CAS-BOT-BC322611  Micropus amphibolus H. L. Mason 1936-5-2 11098 Lake Barlett Mountain Road, four miles above Lucerne Comment
  CAS-BOT-BC33462  Eriastrum brandegeeae Herbert Louis Mason 1945-6-28 12604 Lake Obsidian Ridge, SE of Borax Lake. Comment
  CAS-BOT-BC342182  Logfia filaginoides H. L. Mason 1933-4-30 7232 Lake Ridge near Aetna Springs Comment
  CAS-BOT-BC348487  Micropus californicus var. californicus H. L. Mason 1933-4-30 7229 Lake Near Aetna Springs Comment
  CAS-BOT-BC352833  Lasthenia glabrata subsp. glabrata H. L. Mason 1929-4-29 5250 Lake Blue Lake Comment
  CAS-BOT-BC392038  Aquilegia eximia H. L. Mason 1933-9-24 s.n. Lake St. Helena Creek, east slope of Mount St. Helena Comment
  CAS-BOT-BC419003  Persicaria lapathifolia Herbert L. Mason 1930-8-1 5718 Lake Clear Lake Comment
  CAS-BOT-BC421018  Polygonum spergulariiforme Herbert L. Mason 1961-5-21 15074 Lake Sulphur Bank Mine, east side of Clear Lake Comment
  CAS-BOT-BC445598  Echinodorus berteroi Herbert L. Mason 1945-8-24 12672 Lake East shore, Lower Lake Comment
  CAS-BOT-BC445666  Sagittaria cuneata Herbert L. Mason 1945-6-29 12623 Lake Boggs Lake at base of Mount Hanna Comment
  CAS-BOT-BC452092  Potamogeton amplifolius Herbert L. Mason 1945-8-24 12683 Lake East shore, Lower Lake Comment
  CAS-BOT-BC64164  Ancistrocarphus filagineus H. L. Mason 1933-4-30 7227 Lake Near Aetna Springs Comment
  CAS-BOT-BC7169  Navarretia pauciflora Herbert Louis Mason 1945-5-12 12583 Lake 5 miles N of Lower Lake Comment
  CAS-BOT-BC83217  Myosurus minimus Herbert L. Mason 1953-4-4 14503 Lake Playa north of Lower Lake, Mannings Flat. Comment
  CAS-BOT-BC87111  Streptanthus glandulosus subsp. glandulosus H. L. Mason 1938-5-1 11747 Lake Bartlett Mountain. 4 miles from Lucerne. Comment
  CAS-BOT-BC87112  Streptanthus glandulosus subsp. glandulosus H. L. Mason 1938-5-1 11747 Lake Bartlett Mountain. 4 miles from Lucerne. Comment
  HSC16945  Eriastrum brandegeeae H. L. Mason 1945-6-28 12604 Lake Obsidian Ridge, SE of Borax Lake Comment
  HSC17139  Navarretia jepsonii H. L. Mason 1945-6-28 12595 Lake Just below bridge E of Middletown Comment
  HSC24623  Calyptridium quadripetalum H. L. Mason 1936-4-26 11097 Lake Barlett Springs, 16 mi. NE of Clear Lake 793 Comment
  JEPS16753  Pogogyne serpylloides Herbert L. Mason 1934-5-5 8117 Lake Plain Southwest of Mount Konocti. Comment
  JEPS19275  Keckiella lemmonii Herbert L. Mason 1945-6-28 12603 Lake se of Borax Lake; Obsidian Ridge Comment
  JEPS21882  Utricularia gibba Herbert L. Mason 1945-8-24 12670 Lake Boggs Lake Comment
  JEPS21897  Gratiola ebracteata Herbert L. Mason 1945-6-29 12621 Lake Boggs Lake at base Mount Hanna; base of Mount Hanna, Boggs Lake Comment
  JEPS22544  Crocidium multicaule H. L. Mason 1929-4-28 Lake foot of Hopland Grade; Mayacamas Range Comment
  JEPS22801  Epilobium nivium Herbert L. Mason 1936-9-20 11533 Lake sw slope Snow Mountain 1828 Comment
  JEPS34165  Chaenactis glabriuscula var. heterocarpha H. L. Mason 1929-4-28 Lake Hopland Grade Comment
  JEPS4059  Gratiola heterosepala H. L. Mason and R. Bacigalupi with J. R. Sweeney 1953-6-8 14544 Lake 1 air mi w Mt. Hanna (sw end of Boggs Lake, at w base of Mt. Hanna); Boggs Lake; Boggs Lake, 1 mile W of Mt. Hanna 883 Comment
  JEPS47521  Saxifraga integrifolia Herbert L. Mason 1926-3-21 2767 Lake about 2 mi s of Middletown (near St. Helena Creek) Comment
  JEPS5805  Fritillaria purdyi H. L. Mason 1954-3-17 Lake about 3 mi ne of Middletown (on Hill 1030) Comment
  LA203599  Eriophyllum lanatum var. achilleoides L. R. Mason; Herbert L. Mason 1933-4-30 -- Constamce E 16 Lake Serpentine Ridge between Middleton & Pope Valley, about 1 mi. from Etna Springs Comment
  NY336960  Navarretia pauciflora H. L. Mason 1945-5-12 12583 Lake Five miles N of Lower Lake Comment
  NY68480  Gratiola heterosepala H. L. Mason 1953-6-8 14544 Lake Southwest margin of Boggs Lake, (west base of Mount Hanna). Comment
  OBI12552  Hesperolinon bicarpellatum Herbert L. Mason 1945-6-28 12596 Lake 2.8 mi NE from Middleton Comment
  OBI14932  Streptanthus breweri Herbert L. Mason 1940-5-22 12308 a Lake 3 mi E of Middletown Comment
  POM256414  Nemophila pedunculata H. L. Mason 1938-5-1 11744 Lake Bartlett Springs. Comment
  POM257209  Streptanthus glandulosus H. L. Mason 1938-5-1 11747 Lake Bartlett Mountain, about 4 miles from Lucerne 1159 Comment
  POM257252  Gayophytum humile H. L. Mason 1934-5-5 8118 Lake Southwest of Mt. Konocti Comment
  POM268684  Ranunculus flammula var. ovalis H. L. Mason 1945-8-24 12669 Lake Boggs Lake, NW base of Mt. Hanna Comment
  POM310951  Collomia diversifolia H. L. Mason 1938-5-1 11741 Lake 3 miles east of Middletown Comment
  POM312371  Downingia bicornuta H. L. Mason 1945-6-29 12617 Lake Boggs Lake at base of Mt. Hanna. 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
  POM312435  Myosurus minimus subsp. apus H. L. Mason 1953-4-4 14503 Lake Stalked, spike tapering. On obsidian rubble, Playa north of Little Lake, Mannings Flat Comment
  POM313018  Potamogeton diversifolius H. L. Mason 1945-6-29 12624 Lake Boggs Lake at base of Mt. Hanna. Comment
  POM313071  Eleocharis palustris H. L. Mason 1946-7-27 12947 Lake Clear Lake, 2-3 miles north of Lakeport. Comment
  POM313156  Eragrostis hypnoides H. L. Mason 1945-8-24 12678 Lake East shore, Lower Lake. Comment
  POM313203  Panicum capillare H. L. Mason 1946-7-27 12952 Lake Clear Lake, 2-3 miles north of Lakeport. Comment
  RSA310928  Leptosiphon bolanderi H. L. Mason 1938-5-1 11748 Lake Bartlett Mountain, about 4 miles from Lucerne 1159 Comment
  RSA44062  Cornus nuttallii H. L. Mason 1926-3-21 2781 Lake Near summit of road from Middletown to Mount St. Helena. Comment
  RSA79955  Navarretia sinistra subsp. pinnatisecta H. L. Mason 1945-6-29 12612 Lake Wash of Kelsey Creek, near Kelseyville Comment
  SD51678  Hesperolinon bicarpellatum Herbert L. Mason 1945-6-28 12596 Lake 2.8 miles northeast from Middletown. Comment
  SEINET184160  Calyptridium quadripetalum H. L. Mason 1936-4-26 11097 a Lake Bartlett Springs 16 mi NE of Clear Lk 792 Comment
  SEINET190346  Micropus californicus var. californicus H. L. Mason 1933-4-30 7229 Lake Near Aetna Springs Comment
  SEINET196213  Navarretia viscidula Herbert L. Mason 1945-6-28 12607 Lake 2.5 miles south of Kelseyville Comment
  SEINET196214  Navarretia cotulifolia Herbert L. Mason 1945-5-12 12578 Lake East of Middletown, Locomono Creek Comment
  SEINET196692  Navarretia intertexta Herbert L. Mason 1945-5-12 12580 Lake 3 miles north of Lower Lake. Comment
  SEINET196699  Navarretia pubescens Herbert L. Mason 1945-5-12 12579 Lake Locomono Creek, E of Middletown. Comment
  SEINET197686  Navarretia jepsonii Herbert L. Mason 1945-6-28 12595 Lake Just below bridges east of Middletown. Comment
  SEINET200026  Cyperus aristatus Herbert L. Mason 1946-7-27 12949 Lake Clear Lake 2-3 miles N of Lakeport. Comment
  SEINET200246  Navarretia pauciflora Herbert L. Mason 1953-6-8 14534 Lake Meadow west of Boggs Lake. Comment
  SEINET200254  Navarretia jepsonii Herbert L. Mason 1953-6-8 14525 Lake Entrance to Guenoc Ranch. Comment
  SEINET200255  Navarretia heterandra Herbert L. Mason 1953-6-8 14526 Lake Locomono Meadow, north of Middletown Comment
  SEINET200256  Navarretia bakeri Herbert L. Mason 1953-6-8 14533 Lake 1.5 miles west of Lower Lake Comment
  SEINET4854716  Eriastrum brandegeeae H. L. Mason 1945-6-28 12604 Lake Obsidian Ridge, Southeast of Borax Lake. 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
  UC1039592  Phoradendron villosum H. L. Mason 1925-12-31 2573 Lake <Bartlet> Mt. Rd. Comment
  UC1039798  Pogogyne serpylloides Herbert L. Mason 1934-5-5 8117 Lake Plain southwest of Mount Konocti Comment
  UC1076194  Eriogonum luteolum var. luteolum Herbert L. Mason 1937-5-27 11552 a Lake 10 mi s Kelseyville Comment
  UC1076206  Quercus berberidifolia H. L. Mason 1925-12-31 2572 Lake Bartlett Mt. Road Comment
  UC1076208  Quercus berberidifolia H. L. Mason 1926-1-1 2597 Lake Blue Lakes Comment
Read comments
Jun 1 2008
  UC1076307  Orobanche fasciculata Herbert L. Mason 1934-5-5 8115 Lake Plain southwest of Mount Konocti. Comment
  UC1076312  Orobanche uniflora subsp. occidentalis Herbert L. Mason 1929-4-29 5229 Lake Hopland Grade, 3 miles south of Hopland. Comment
  UC1076320  Arceuthobium campylopodum Herbert L. Mason 1926-6-1 2590 Lake Upper Lake to Elk Mtn Comment
  UC1076334  Sidalcea hartwegii Herbert L. Mason 1933-4-30 7222 Lake near Aetna Springs; near Aetna Springs 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
  UC1076449  Selaginella wallacei Herbert L. Mason 1926-1-1 2585 Lake Upper Lake to Elk Mt. Comment
  UC1076460  Grindelia hirsutula Herbert L. Mason 1925-12-31 2574 Lake Bartlett Mountain road Bartlett Mountain Comment
  UC1077079  Cycladenia humilis var. humilis Herbert L. Mason 1937-9-20 11538 Lake s.w. slopes of Snow Mt. 1828 Comment
  UC1081569  Streptanthus glandulosus subsp. glandulosus Herbert L. Mason 1936-4-26 11091 Lake e side Bartlett Mountain Comment
  UC1081570  Boechera breweri subsp. breweri Herbert L. Mason 1936-4-26 11092 Lake e side Bartlett Mountain Comment
  UC1083321  Juniperus californica Herbert L. Mason 1925-12-31 2570 Lake Bartlet Mt. Road Comment
  UC1093682  Selaginella wallacei Herbert L. Mason 1926-1-1 2585 Lake Upper Lake to Elk Mt. Comment
  UC1093932  Delphinium uliginosum Herbert L. Mason 1935-5-30 8327 Lake hill 2 mi e Middletown Comment
  UC1093933  Crocanthemum scoparium var. vulgare Herbert L. Mason 1935-5-30 8324 Lake hills w Mirabel Mine Comment
  UC1099806  Sparganium erectum subsp. stoloniferum Herbert L. Mason 1946-7-27 12943 Lake about 1 mi s Lakeport (margin of Clear Lake); Clear Lake Comment
Read comments
Sep 25 2008
  UC1099889  Potamogeton diversifolius Herbert L. Mason 1945-6-29 12624 Lake Boggs Lake at base of Mount Hanna Comment
  UC1099906  Potamogeton nodosus Herbert L. Mason 1945-8-24 12683 Lake East Shore Lower Lake Comment
  UC1099981  Zannichellia palustris Herbert L. Mason and Verne Grant 1947-7-8 13282 Lake near junction of Williams hwy. and Upper lake hwy. Bear Creek Comment
  UC1099982  Zannichellia palustris Herbert L. Mason and Verne Grant 1947-7-8 13281 Lake near junction of Williams hwy. and Upper lake hwy. Bear Creek Comment
  UC1099983  Zannichellia palustris Herbert L. Mason and Verne Grant 1947-7-8 13280 Lake near junction of Williams hwy. and Upper lake hwy. Bear Creek Comment
  UC1099984  Zannichellia palustris Herbert L. Mason and Verne Grant 1947-7-8 13279 Lake near junction of Williams hwy. and Upper lake hwy. Bear Creek Comment
  UC1099985  Zannichellia palustris Herbert L. Mason and Verne Grant 1947-7-8 13278 Lake near junction of Williams hwy. and Upper lake hwy. Bear Creek Comment
  UC1099986  Zannichellia palustris Herbert L. Mason and Verne Grant 1947-7-8 13276 Lake near junction of Williams hwy. and Upper lake hwy. Bear Creek 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
  UC1100249  Eragrostis hypnoides Herbert L. Mason 1945-8-24 12678 Lake e shore Lower Lake; e shore Lower Lake Comment
  UC1100561  Cyperus squarrosus Herbert L. Mason 1946-7-27 12949 Lake 2 - 3 mi. n. Lakeport (Clear Lake); Clear Lake Comment
  UC1100562  Cyperus squarrosus Herbert L. Mason 1945-8-24 12686 Lake e. shore Lower 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
  UC1100741  Eleocharis macrostachya Herbert L. Mason 1946-7-27 12947 Lake 2-3 mi N of Lakeport (Clear Lake) Comment
  UC1100845  Bolboschoenus fluviatilis Herbert L. Mason 1946-7-27 12954 Lake Upper Lake Upper Lake -- Lakeport Road Comment
  UC1100846  Bolboschoenus fluviatilis Herbert L. Mason 1945-8-24 12673 Lake e shore Lower Lake; e shore Lower Lake Comment
  UC1100916  Bolboschoenus maritimus Herbert L. Mason, Verne Grant 1947-7-8 13277 Lake Bear Creek near junction of Williams Highway and Upper Lake Highway; Bear Creek Comment
  UC1101137  Polygonum amphibium var. stipulaceum Herbert L. Mason 1946-7-27 12950 Lake 2-3 mi n Lakeport; Clear Lake Comment
  UC1101314  Ceratophyllum demersum Herbert L. Mason 1946-7-27 12955 Lake Upper Lake - Lakeport road Comment
  UC1101344  Myosurus minimus Herbert L. Mason 1953-4-4 14504 Lake playa n of Lower Lake (Mannings Flat); Mannings Flat Comment
  UC1101345  Myosurus minimus Herbert L. Mason 1953-4-4 14505 Lake playa n of Lower Lake (Mannings Flat); Mannings Flat Comment
  UC1101346  Myosurus minimus Herbert L. Mason 1953-4-4 14503 a Lake playa n of Lower Lake (Mannings Flat); Mannings Flat Comment
  UC1101347  Myosurus minimus subsp. apus Herbert L. Mason 1953-4-4 14503 b Lake Playa n of Lower Lake (Mannings Flat); Mannings Flat Comment
  UC1101374  Ranunculus flammula Herbert L. Mason 1945-8-24 12669 Lake Boggs Lake Comment
  UC1101411  Brasenia schreberi Herbert L. Mason 1945-6-29 12620 Lake Boggs Lake at base Mt. Hanna; Boggs Lake at base of Mt. Hanna Comment
  UC1101421  Ludwigia palustris Herbert L. Mason 1945-6-29 12627 Lake Boggs Lake at base Mt. Hanna; , Boggs Lake Comment
  UC1101443  Gratiola ebracteata Herbert L. Mason 1945-6-29 12621 Lake base of Mount Hanna Boggs Lake; , Boggs Lake Comment
  UC1101458  Utricularia gibba Herbert L. Mason 1945-8-24 12670 Lake 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
  UC1101474  Downingia bicornuta var. bicornuta Herbert L. Mason 1945-6-29 12619 Lake Boggs Lake at base of Mount Hanna Mount Hanna, Boggs Lake Comment
  UC1101496  Myriophyllum hippuroides Herbert L. Mason 1945-6-29 12624 Lake Boggs Lake, at the base of Mount Hanna Comment
  UC1101531  Elatine heterandra Herbert L. Mason 1953-6-8 14547 Lake Snows Lake Comment
  UC1101537  Elatine californica Herbert L. Mason 1936-9-20 11535 Lake base of trail; sheep corral to Snow Mt. Comment
  UC1101552  Elatine heterandra Herbert L. Mason 1945-6-29 12625 Lake Boggs Lake base of Mt, Hanna Comment
  UC1101568  Paspalum distichum Herbert L. Mason 1946-7-27 12948 Lake 2-3 mi n Lakeport (Clear Lake); Clear Lake Comment
  UC1101587  Panicum capillare Herbert L. Mason 1946-7-27 12952 Lake 2-3 mi n Lakeport (Clear Lake); Clear 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
  UC1111019  Elatine heterandra Herbert L. Mason 1937-5-27 11554 b Lake s side Mt. Konocti Comment
  UC1111598  Claytonia rubra subsp. rubra Herbert L. Mason 1936-4-26 11097 Lake 1.5 mi e Bartlett Springs Comment
  UC1111599  Polygonum californicum Herbert L. Mason 1945-10-21 12744 Lake 3 mi e Middletown Comment
  UC1111602  Harmonia hallii Herbert L. Mason 1940-5-10 12285 Lake 3 mi e Middletown Comment
  UC1178030  Juncus hemiendytus var. hemiendytus Herbert L. Mason 1950-4-5 14037 Lake w of Putah Creek Bridge (end of road past Guenoc Grange Hall) 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
  UC1178868  Astragalus breweri Herbert L. Mason 1937-5-27 11552 Lake ten mi s Kelseyville; s of Kelseyville Comment
  UC1178888  Alnus rhombifolia Herbert L. Mason 1936-9-20 11534 Lake Bear Creek Snow Mountain (w base of mt.) Comment
  UC1178899  Minuartia californica Herbert L. Mason 1926-3-21 2756 Lake Middletown to Mt. St. Helena (via Toll House Canyon) Comment
  UC1178913  Streptanthus breweri var. breweri Herbert L. Mason 1940-5-22 12308 a Lake ridge 3 mi e Middletown Comment
  UC1178918  Navarretia leucocephala subsp. plieantha Herbert L. Mason 1953-6-8 14534 Lake w of Boggs Lake Comment
  UC1178919  Navarretia leucocephala subsp. bakeri Herbert L. Mason 1953-6-8 14533 Lake 1.5 mi w Lower Lake Comment
  UC1178920  Navarretia pubescens Herbert L. Mason 1953-6-8 14529 Lake n of Middletown; Locomono Meadow Comment
  UC1178921  Navarretia cotulifolia Herbert L. Mason 1953-6-8 14524 Lake entrance to Guenoc Ranch Comment
  UC1178922  Streptanthus glandulosus subsp. glandulosus Herbert L. Mason 1953-4-18 14513 Lake ridge 4.5 mi n Middletown (near Anderson's Springs) Comment
  UC1178923  Linanthus pygmaeus Herbert L. Mason 1953-6-8 14531 Lake 1 mi n Lower Lake Comment
  UC1178924  Navarretia jepsonii Herbert L. Mason 1953-6-8 14525 Lake Guenoc Ranch; entrance Comment
  UC1178925  Navarretia heterandra Herbert L. Mason 1953-6-8 14526 Lake n of Middletown; Locomono Meadow Comment
  UC1178926  Navarretia tagetina Herbert L. Mason 1953-6-8 14528 Lake n of Middletown; Locomono Meadow Comment
  UC1178927  Navarretia intertexta Herbert L. Mason 1953-6-8 14527 Lake n of Middletown; Locomono Meadow Comment
  UC1178928  Navarretia mellita Herbert L. Mason 1953-6-8 14523 Lake Black Oak Villa Butts Canyon Comment
  UC1178930  Damasonium californicum Herbert L. Mason 1953-6-8 14532 Lake 1.5 mi. w. Lower Lake Comment
  UC1178931  Navarretia atractyloides Herbert L. Mason 1953-6-8 14530 Lake 1 mi n Lower Lake Comment
  UC1178932  Collomia diversifolia Herbert L. Mason 1953-4-18 14152 Lake serpentine ridge 4.5 mi n Middletown (near Anderson's Springs) Comment
  UC1178933  Allophyllum divaricatum Herbert L. Mason 1953-6-8 14520 Lake Butts Canyon, Black Oak Villa Comment
  UC1178934  Hesperochiron pumilus Herbert L. Mason 1953-4-18 14515 Lake w. Lakeport (Four Mile Glade, Cow Mt.); Cow Mt., Four Mile Glade 914 Comment
  UC1178941  Cuscuta indecora Herbert L. Mason 1945-10-21 12743 Lake 3 mi e Middletown Comment
  UC1178970  Triteleia peduncularis Herbert L. Mason 1946-5-30 12799 Lake 3 mi e Middletown Comment
  UC1178972  Triteleia peduncularis Herbert L. Mason 1946-5-30 12809 Lake Indian Valley , Indian Valley (North Fork Cache Creek) Comment
  UC1178973  Brodiaea coronaria subsp. rosea Herbert L. Mason 1946-5-30 12808 Lake North Fork of Cache Creek Indian Valley Comment
  UC1178978  Psilocarphus oregonus Herbert L. Mason 1946-5-31 12801 Lake 1.5 mi w Lower Lake Comment
  UC1178979  Gnaphalium palustre Herbert L. Mason 1946-5-30 12800 Lake 1.5 mi w Lower Lake Comment
  UC1178980  Emmenanthe penduliflora Herbert L. Mason 1946-5-30 12810 Lake East of Indian Valley, North Fork of Cache Creek 548 Comment
  UC1178981  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Herbert L. Mason 1946-5-30 12811 Lake e of Indian Valley (North Fork of Cache Creek); North Fork of Cache Creek 548 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
  UC1179023  Polygonum douglasii subsp. spergulariiforme Herbert L. Mason 1936-9-20 11539 Lake St. Helena Creek Snow Mountain Comment
  UC1179027  Orobanche fasciculata Herbert L. Mason 1940-5-22 12308 Lake Bartlett Mountain. Comment
  UC1179052  Lotus grandiflorus Herbert L. Mason 1937-5-27 11554 Lake s side Mt. Konocti Comment
  UC1179063  Fritillaria purdyi Herbert L. Mason 1947-3-30 13168 Lake 3 mi e of Middletown Comment
  UC1179101  Lessingia ramulosa Herbert L. Mason 1945-6-28 12597 Lake Three mi e Middletown Comment
  UC1187347  Polygonum douglasii subsp. spergulariiforme Herbert L. Mason 1961-5-21 15074 Lake Sulphur Bank Mine Clear Lake (e side of lake) Comment
  UC1191142  Collomia diversifolia Herbert L. Mason 1953-6-8 14522 Lake Black Oak Villa Butts Canyon Comment
  UC1191143  Collomia heterophylla Herbert L. Mason 1953-6-8 14521 Lake Black Oak Villa Butts Canyon Comment
  UC1191144  Sanicula bipinnatifida Herbert L. Mason 1953-4-18 14511 Lake 4.5 mi n of Middletown (near Anderson's Springs) Comment
  UC1191169  Sidalcea malviflora subsp. laciniata Herbert L. Mason 1926-3-14 2718 Lake Mount St. Helena Comment
  UC1191235  Triteleia peduncularis Herbert L. Mason 1946-5-30 12785 Lake near Middletown (Locomono Creek) Comment
  UC1191275  Rumex maritimus Herbert L. Mason Aug 1930 5716 Lake Clear Lake Comment
  UC1191374  Mollugo verticillata Herbert L. Mason 1946-7-27 12953 Lake 2-3 mi n of Lakeport (Clear Lake); Clear Lake Comment
  UC1191381  Cypselea humifusa Herbert L. Mason 1946-7-26 12944 Lake 1 mi s Lakeport (margin of Clear Lake); Clear Lake Comment
  UC1191382  Cypselea humifusa Herbert L. Mason 1945-8-24 12684 Lake e shore Lower Lake Comment
  UC1191389  Amaranthus albus Herbert L. Mason 1945-8-24 12679 Lake e shore of Lower Lake Lower Lake Comment
  UC1191393  Amaranthus californicus Herbert L. Mason 1945-8-24 12676 Lake e shore of Lower Lake Lower Lake Comment
  UC1191562  Ammannia robusta Herbert L. Mason 1945-8-24 12677 Lake East shore, Lower Lake Comment
  UC1191806  Pogogyne douglasii Herbert L. Mason 1946-5-30 12786 Lake Locomono Creek, near Middletown Comment
  UC1191849  Phacelia suaveolens Herbert L. Mason 1940-5-10 14805 Lake n Lower Lake; Obsidian pond Comment
  UC1191853  Navarretia viscidula Herbert L. Mason 1950-6-9 14803 Lake Highland Spring Road Comment
  UC1191854  Navarretia mellita Herbert L. Mason 1950-6-9 14802 Lake Highland Spring Road Comment
  UC1191876  Mimulus pilosus Herbert L. Mason 1945-6-28 12600 Lake s Lower Lake; Excelsior Valley Comment
  UC1192025  Plantago major Herbert L. Mason 1945-8-24 12682 Lake e shore Lower Lake Comment
  UC1192041  Downingia cuspidata Herbert L. Mason 1945-6-29 12618 Lake Boggs Lake at base of Mount Hanna Mount Hanna, Boggs Lake Comment
  UC1192042  Downingia concolor var. concolor Herbert L. Mason 1946-5-19 12793 Lake near Middletown; Locomono Creek Comment
  UC1192336  Polygonum amphibium Herbert L. Mason 1945-6-29 12622 Lake Boggs Lake Mount Hanna (at base of mt.) Comment
  UC1212242  Hesperolinon micranthum Herbert L. Mason 1952-6-15 14297 Lake Butts Creek road se Middletown; Inner North Coast Ranges Comment
  UC1212342  Hesperolinon bicarpellatum Herbert L. Mason 1952-6-15 14296 Lake Butts Creek road nine mi se Middletown; Inner North Coast Ranges Comment
  UC1212344  Hesperolinon bicarpellatum Herbert L. Mason 1945-6-28 12596 Lake on serpentine hill 2.8 mi ne Middletown Comment
  UC1212347  Hesperolinon bicarpellatum Herbert L. Mason 1952-6-15 14298 Lake head Butts Creek Canyon; Inner North Coast Range Comment
  UC1212443  Hesperolinon californicum Herbert L. Mason 1946-5-30 12795 Lake near Middletown; Inner North Coast Ranges, Locomono Creek Comment
  UC1212513  Hesperolinon disjunctum Herbert L. Mason 1946-5-30 12806 Lake on road from Bartlett Springs to Williams where hwy crosses North Fork of Cache Creek east of Allen Springs; Inner North Coast Ranges 487 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
  UC1540448  Phacelia rattanii Herbert L. Mason 1937-5-27 11551 Lake six mi n Lower Lake Comment
  UC1988918  Pogogyne douglasii H. L. Mason Jun 1930 5683 Lake four miles east of Middletown Comment
  UC507050  Eriophyllum lanatum var. achilleoides L. R. and H. L. Mason 1933-4-30 E 16 Lake between Middleton and Pope Valley (Serpentine Ridge, about 1 mi from Etna Springs); Serpentine Ridge 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
  UC555491  Trifolium albopurpureum var. albopurpureum H. L. Mason 1929-4-29 5236 Lake 2.9 mi w Lakeport (e base of rd from Hopland to Lakeport) Comment
  UC555615  Trifolium albopurpureum var. dichotomum H. L. Mason 1929-4-29 5228 Lake 3 mi s Hopland (Hopland Grade) Comment
  UC565565  Chaenactis glabriuscula var. heterocarpha H. L. Mason 1929-4-29 5246 Lake 2 9/10 mi w of Lakeport Comment
  UC566631  Crocidium multicaule H. L. Mason 1929-4-29 5243 Lake about 3 mi w Lakeport (on Hopland road) Comment
  UC566701  Stephanomeria virgata subsp. pleurocarpa Herbert L. Mason 1925-12-31 2568 Lake Bartlett Mt. Road Clear Lake Comment
  UC566725  Rigiopappus leptocladus H. L. Mason 1933-4-30 7225 Lake near Aetna Springs Comment
  UC566758  Eriophyllum lanatum var. achilleoides H. L. Mason 1925-12-31 2567 Lake Bartlet Mountain Road Comment
  UC566778  Physalis pubescens var. integrifolia H. L. Mason Aug 1930 5713 Lake Clear Lake Comment
  UC566816  Lomatium utriculatum H. L. Mason 1926-3-21 2761 Lake Middletown to Mt. St. Helena Comment
  UC570711  Nicotiana quadrivalvis H. L. Mason 1926-1-1 2582 Lake grade between Elk Mountain and Upper Lake Comment
  UC570736  Pogogyne douglasii H. L. Mason Jun 1930 5683 Lake four miles east of Middletown Comment
  UC570785  Chamaesyce serpyllifolia H. L. Mason August, 1930 Lake rd to Bartlett Mtn Comment
  UC570797  Euphorbia crenulata H. L. Mason 1926-3-21 2768 Lake between Middletown and Mt. St. Helena Comment
  UC570817  Ribes malvaceum H. L. Mason 1931-3-22 5796 Lake Mount Konocti Comment
  UC570839  Ribes californicum Herbert L. Mason 1925-12-31 2566 Lake Bartlett Mountain Road Comment
  UC570943  Saxifraga californica Herbert L. Mason 1926-3-21 2771 Lake 2 mi s of Middletown Comment
  UC570989  Rhamnus ilicifolia Herbert L. Mason 1926-1-2 2602 Lake between Lower Lake and Middletown Comment
  UC571075  Arctostaphylos stanfordiana H. L. Mason 1925-12-30 2562 Lake summit of road between Hopland and Lakeport; Mayacama Range Comment
  UC571083  Arctostaphylos manzanita subsp. manzanita H. L. Mason 1925-12-30 2561 a Lake summit of road between Hopland and Lakeport; Mayacama Range Comment
  UC571112  Hesperolinon bicarpellatum H. L. Mason June, 1930 5689 Lake four mi e Middletown Comment
  UC571174  Iris macrosiphon H. L. Mason 1926-3-21 2762 Lake between Middletown and Mt. St. Helena Comment
  UC571182  Iris macrosiphon H. L. Mason 1930-6-1 5675 Lake St. Helena Creek Mount St. Helena (slopes of Mount St. Helena) Comment
  UC571192  Arctostaphylos canescens subsp. canescens H. L. Mason 1925-12-31 2578 Lake via Clover Creek School Rd Upper Lake Comment
  UC571235  Arctostaphylos viscida subsp. viscida H. L. Mason 1926-1-1 2605 Lake Blue Lakes Comment
Read comments
Jun 1 2008
  UC581520  Viola purpurea subsp. quercetorum H. L. Mason 1926-3-21 2765 Lake between Middletown and Mount St. Helana Comment
  UC581521  Viola douglasii H. L. Mason 1926-3-21 2772 Lake between Middletown and Mount St. Helena Comment
  UC588130  Phacelia rattanii Herbert L. Mason 1937-5-27 11551 Lake six mi n Lower Lake Comment
  UC588137  Calyptridium quadripetalum Herbert L. Mason 1936-4-26 11097 a Lake 16 mi ne of Clear Lake (Bartlett Springs); Bartlett Springs 792 Comment
  UC592147  Streptanthus glandulosus subsp. glandulosus H. L. Mason 1929-4-29 5244 Lake 3 mi w Lakeport (on road to Hopland) 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
  UC592167  Eryngium aristulatum var. aristulatum H. L. Mason 1930-6-1 5686 Lake 4 mi. e. Middletown Comment
  UC592170  Lomatium marginatum var. purpureum H. L. Mason 1929-4-29 5259 Lake meadows between Middletown and Lower 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
  UC595054  Nemophila pedunculata H. L. Mason 1938-5-1 11744 Lake Barlett Springs Bartlett Springs Comment
  UC595055  Nemophila heterophylla H. L. Mason 1938-5-1 11743 Lake Barlett Springs Bartlett Springs Comment
  UC595056  Nemophila menziesii H. L. Mason 1938-5-1 11742 Lake Bartlett Springs Comment
  UC601007  Abies magnifica var. shastensis Herbert L. Mason 1936-9-19 Lake Snow Mountain; near summit 1950 Comment
  UC604417  Psilocarphus brevissimus var. brevissimus H. L. Mason 1934-5-5 8122 Lake e of Kelseyville (sw of the base of Mount Konocti) Comment
  UC604418  Saxifraga integrifolia Herbert L. Mason 1926-3-21 2767 Lake about 2 mi s of Middletown (near St. Helena Creek) Comment
  UC604421  Psilocarphus brevissimus var. brevissimus H. L. Mason 1934-5-5 8129 Lake between Kelseyville Lower Lake Comment
  UC629715  Streptanthus glandulosus subsp. glandulosus H. L. Mason 1938-5-1 11747 Lake 4 mi from Lucerne; Bartlett Mountain 1158 Comment
  UC632789  Orobanche fasciculata H. L. Mason 1936-5-2 11099 Lake Four miles above Lucerne. Comment
  UC632834  Logfia filaginoides H. L. Mason 1936-4-26 11093 Lake Bartlett Mountain Comment
  UC632853  Ancistrocarphus filagineus H. L. Mason 1936-4-26 11096 Lake Bartlett Springs Comment
  UC632855  Micropus amphibolus H. L. Mason 1936-5-2 11098 Lake Bartlett Mountain road four mi above Lucerne Comment
  UC634552  Salix scouleriana H. L. Mason 1926-1-1 2588 Lake near summit Elk Mt. Comment
  UC634627  Ceanothus lemmonii H. L. Mason 1925-12-31 2575 Lake Bartlett Mountain Comment
  UC634638  Garrya flavescens H. L. Mason 1925-12-30 2563 Lake summit of road between Hopland and Lakeport; Mayacama Range Comment
  UC634665  Hesperolinon clevelandii H. L. Mason 1934-5-5 8112 Lake east side of mountain Mount Konocti Comment
  UC634693  Gayophytum humile H. L. Mason 1934-5-5 8118 Lake sw Mount Konocti Comment
  UC634700  Clarkia purpurea subsp. quadrivulnera H. L. Mason June 1930 5692 Lake 4 mi e Middletown Comment
  UC634788  Garrya congdonii Herbert L. Mason 1926-1-2 2604 Lake between Lower Lake and Middletown Comment
  UC634831  Garrya flavescens H. L. Mason 1926-1-1 2601 Lake near lower Blue Lake Comment
  UC634833  Garrya congdonii Herbert L. Mason 1926-1-2 2603 Lake between Lower Lake and Middletown Comment
  UC634837  Cornus nuttallii H. L. Mason 1926-3-21 2781 Lake near summit of rd. from Middleton to Mt. St. Helena Comment
  UC634922  Salvia sonomensis H. L. Mason 1929-4-29 5252 Lake between Kelseyville and Lower Lake Comment
  UC635038  Cypselea humifusa H. L. Mason August 1930 5717 Lake shore of Clear Lake Comment
  UC635039  Mollugo verticillata H. L. Mason August 1930 5711 Lake shore of Clear Lake Comment
  UC635104  Aquilegia eximia H. L. Mason 1933-9-24 Lake St. Helena Creek e slope of Mt. St. Helena Comment
  UC635148  Ammannia robusta H. L. Mason August, 1930 5712 Lake Clear Lake Comment
  UC635189  Rhus trilobata H. L. Mason 1926-3-21 2763 Lake Toll House Canyon between Middletown and Mount St. Helena; Toll House Canyon Comment
  UC635208  Allium cratericola H. L. Mason 1929-4-29 5241 Lake 2.9 mi w Lakeport (on road from Hopland) Comment
  UC635241  Cuscuta indecora H. L. Mason Aug 1930 5715 Lake Clear Lake Comment
  UC635265  Allium amplectens H. L. Mason 1930-6-1 5677 Lake St. Helena Creek, n slope of Mount St. Helena Mount St. Helena, St. Helena Creek Comment
  UC635272  Lythrum hyssopifolia H. L. Mason June, 1930 5691 Lake 4 mi e of Middletown Comment
  UC635327  Lewisia rediviva H. L. Mason 1929-4-29 5240 Lake 2.9 mi w on road to Hopland Lakeport Comment
  UC635514  Ceanothus incanus H. L. Mason 1926-1-2 2610 Lake near Middletown Comment
  UC635529  Ceanothus jepsonii Herbert L. Mason 1926-3-22 2783 Lake Mt. St. Helena Comment
  UC635551  Saxifraga integrifolia Herbert L. Mason 1926-3-21 2767 Lake about 2 mi s of Middletown (along St. Helena Creek Road) Comment
  UC635569  Lactuca saligna H. L. Mason 1930-8-1 5722 Lake Clear Lake Comment
  UC635571  Allium fimbriatum var. fimbriatum H. L. Mason 1929-4-29 5258 Lake between Middletown and Lower Lake 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
  UC665661  Streptanthus barbiger Herbert L. Mason 1940-5-22 12309 Lake ridge s Lakeport 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
  UC672096  Fritillaria recurva Herbert L. Mason 1926-3-21 2777 Lake Middletown to Mount St. Helena via Toll House Canyon Toll House Canyon; Mount St. Helena, Toll House Canyon Comment
  UC672097  Fritillaria recurva Herbert L. Mason 1926-3-21 2775 Lake Middletown to Mount St. Helena via Toll House Canyon Toll House Canyon; Mount St. Helena, Toll House Canyon Comment
  UC672109  Fritillaria affinis Herbert L. Mason 1926-3-14 2728 Lake Mount St. Helena Comment
  UC672111  Fritillaria affinis Herbert L. Mason 1926-3-21 2776 Lake Middletown to Mount St. Helena (via Toll House Canyon) Comment
  UC672141  Calochortus uniflorus Herbert L. Mason 1929-4-29 5256 Lake between Middletown and Lower Lake Comment
  UC672155  Calochortus amabilis Herbert L. Mason Jun 1930 5681 Lake St. Helena Creek Mount St. Helena Comment
  UC672156  Calochortus amabilis Herbert L. Mason 1929-4-29 5253 Lake between Kelseyville and Lower Lake Comment
  UC672239  Micropus californicus var. californicus Herbert L. Mason 1933-4-30 7229 Lake near Aetna Springs Comment
  UC672243  Pentachaeta exilis Herbert L. Mason 1933-4-30 7220 Lake near Aetna Springs Comment
  UC672278  Hesperevax sparsiflora var. sparsiflora H. L. Mason 1933-4-30 7226 Lake near Aetna Springs Comment
  UC672308  Baccharis pilularis Herbert L. Mason 1925-12-31 2571 Lake Bartlet Mountain Road Comment
  UC672359  Nemophila pedunculata Herbert L. Mason 1926-3-21 2773 Lake St. Helena Creek St. Helena Creek (along streams) Comment
  UC672456  Mimulus cardinalis H. L. Mason June 1930 5690 Lake 4 mi e Middletown Comment
  UC672476  Collinsia sparsiflora var. sparsiflora H. L. Mason 1929-4-29 5249 Lake 2.9 mi w Lakeport (w of meadows on rd from Hopland to Lakeport) Comment
  UC672485  Collinsia bartsiifolia var. bartsiifolia H. L. Mason 1929-4-29 5238 Lake 2.9 mi w Lakeport (on road to Hopland) Comment
  UC672486  Mimulus pilosus Herbert L. Mason 1934-5-5 8116 Lake plain sw Mount Konocti Comment
  UC672519  Mimulus tricolor H. L. Mason June, 1930 5684 Lake four mi e Middletown Comment
  UC672527  Mimulus tricolor H. L. Mason 1934-5-5 8121 Lake sw Mt. Konocti Comment
  UC672532  Mimulus kelloggii H. L. Mason 1929-4-29 5248 Lake 2.9 mi w Lakeport (road from Hopland to Lakeport) Comment
  UC672563  Antirrhinum virga H. L. Mason 1926-1-1 2586 Lake Upper Lake to Elk Mountain Comment
  UC672567  Tonella tenella H. L. Mason 1929-4-29 5255 Lake between Kelseyville and Lower Lake Comment
  UC672568  Tonella tenella H. L. Mason 1926-3-21 2769 Lake Middletown to Mt. St. Helena (via Toll House Canyon); Toll House Canyon Comment
  UC672590  Hypericum concinnum H. L. Mason June 1930 5676 Lake slopes of Mt. St. Helena (St. Helena Creek); , St. Helena Creek Comment
  UC673309  Horkelia bolanderi Herbert L. Mason 1934-5-5 8127 Lake between Kelseyville Lower Lake (Foot of obsidian covered hill just above a meadow) Comment
  UC673343  Athysanus pusillus H. L. Mason 1929-4-29 5237 Lake 2.9 mi w of Lakeport Comment
  UC673404  Dodecatheon hendersonii Herbert L. Mason 1929-4-29 5254 Lake between Kelseyville and Lower Lake; between Kelseyville and Lower Lake Comment
  UC673427  Triphysaria eriantha subsp. eriantha H. L. Mason 1926-3-21 2759 Lake Toll House Canyon between Middletown and Mount St. Helena; Toll House Canyon btw Middletown and Mount St. Helena 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
  UC673459  Castilleja attenuata H. L. Mason 1926-3-21 2760 Lake between Middletown and Mount St. Helena; Toll House Canyon Comment
  UC673571  Epipactis gigantea Herbert L. Mason June, 1930 5679 Lake St. Helena Creek Mount St. Helena (slopes of mt.) Comment
  UC673617  Micropus amphibolus H. L. Mason 1929-4-29 5247 Lake 2.9 mi w Lakeport (e base of road from Hopland to Lakeport) Comment
  UC673622  Logfia filaginoides H. L. Mason 1933-4-30 7232 Lake near Aetna Springs; Serpentine Ridge Comment
  UC673623  Ancistrocarphus filagineus H. L. Mason 1933-4-30 7227 Lake near Aetna Springs Comment
Read comments
Sep 19 2009
  UC673624  Ancistrocarphus filagineus H. L. Mason 1933-4-30 7230 Lake near Aetna Springs Comment
  UC673632  Ancistrocarphus filagineus H. L. Mason 1933-4-30 7234 Lake 10 mi n, on road from Middletown to Pope Valley Pope Valley Comment
  UC673635  Euchiton sphaericus H. L. Mason 1930-8-1 5732 Lake road to Bartlett Mountain Comment
  UC693854 Image available Eriastrum brandegeeae H. L. Mason 1945-6-28 12604 Lake se Borax Ridge; Obsidian Lake; Obisidian ridge, southeast of Borax Lake, Lake Co. Comment
  UC694159  Psilocarphus tenellus Herbert L. Mason 1933-4-30 7228 Lake near Aetna Springs Comment
  UC694161  Psilocarphus tenellus Herbert L. Mason 1933-4-30 7219 Lake Middletown Comment
  UC699706  Navarretia leucocephala subsp. pauciflora Herbert L. Mason 1945-5-13 12583 Lake 5 mi n Lower Lake (Lakeport highway); ; N of Lower Lake, Lake Co. Comment
  UC700271 Image available Navarretia leucocephala subsp. pauciflora H. L. Mason 1945-5-12 12583 Lake 5 mi n Lower Lake; ; 5 mi. N of Lower Lake, Lake Co. Comment
  UC700272 Image available Navarretia bakeri H. L. Mason 1945-6-28 12599 Lake 1.5 mi sw Lower Lake (in vernal pool); ; 1.5 mi. SW of Lower Lake, Lake Co. Comment
  UC700273 Image available Navarretia leucocephala subsp. plieantha H. L. Mason 1945-6-29 12628 Lake Boggs Lake Mt. Hannah (nw slope of mt.); Boggs Lake, NW slope of Mt. Hannah, Lake Co. Comment
  UC907793  Navarretia atractyloides Herbert L. Mason 1945-6-28 12591 Lake e of Middletown (just below the bridge) Comment
  UC907806  Navarretia atractyloides Herbert L. Mason 1945-6-28 12601 Lake se of Borax Lake Comment
  UC907807  Navarretia atractyloides Herbert L. Mason 1945-6-28 12608 Lake 2.5 mi s Kelseyville Comment
  UC907966  Linanthus acicularis Herbert L. Mason 1933-4-30 7218 Lake Middletown Comment
  UC908077  Navarretia leucocephala subsp. pauciflora Herbert L. Mason 1945-5-12 12584 Lake 3 mi n Lower Lake Comment
  UC908078  Navarretia intertexta Herbert L. Mason 1945-5-12 12580 Lake 3 mi n Lower Lake Comment
  UC908082  Navarretia tagetina Herbert L. Mason 1946-5-30 12789 Lake near Middletown; Locomono Creek Comment
  UC908096  Navarretia intertexta Herbert L. Mason 1945-10-21 12745 Lake 3 mi e Middletown Comment
  UC908127  Navarretia heterandra Herbert L. Mason 1946-5-30 12791 Lake near Middletown; Locomono Creek Comment
  UC908139  Navarretia pubescens Herbert L. Mason 1945-5-12 12579 Lake e of Middletown; Locomono Meadow Comment
  UC908157  Navarretia divaricata subsp. vividior Herbert L. Mason 1946-5-30 12804 Lake w slope Bartlett Mountain Comment
  UC908165  Navarretia intertexta Herbert L. Mason 1946-5-30 12798 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
  UC908262  Navarretia linearifolia subsp. pinnatisecta Herbert L. Mason 1945-6-29 12612 Lake near Kelseyville; wash of Kelsey Creek, near Kelseyville Comment
  UC908372  Allophyllum gilioides subsp. gilioides Herbert L. Mason 1929-4-29 5245 Lake 2.9 mi. w. Lakeport (on Hopland Rd.) Comment
  UC908382  Navarretia intertexta Herbert L. Mason 1946-5-31 12797 Lake 1.5 mi w Lower Lake Comment
  UC908383  Navarretia intertexta Herbert L. Mason 1946-5-30 12790 Lake near Middletown; Locomono Creek Comment
  UC908385  Navarretia tagetina Herbert L. Mason 1945-6-28 12597 Lake 3 mi e Middletown Comment
  UC908405  Navarretia tagetina Herbert L. Mason 1945-6-28 12593 Lake e of Middletown (just below bridge) Comment
  UC908408  Navarretia cotulifolia Herbert L. Mason 1945-5-12 12578 Lake e of Middletown; Locomono Creek Comment
  UC908537  Eriastrum abramsii Herbert L. Mason 1945-6-28 12606 Lake 2.5 mi s Kelseyville 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
  UC908603  Navarretia divaricata subsp. vividior Herbert L. Mason 1934-5-5 8113 Lake e side Mount Konocti Comment
  UC908631  Linanthus acicularis Herbert L. Mason 1945-5-12 12581 Lake about 6 mi n Lower 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
  UC908634  Navarretia jepsonii Herbert L. Mason 1946-5-30 12792 Lake near Middletown; Locomono Creek Comment
  UC908639  Navarretia intertexta Herbert L. Mason 1945-6-28 12594 Lake 3 mi e Middletown Comment
  UC908641  Navarretia mellita Herbert L. Mason 1945-6-28 12609 Lake 2.5 mi s Kelseyville Comment
  UC908740  Collomia heterophylla Herbert L. Mason 1926-3-21 2780 Lake along roadside Mt. St. Helena (Lake Co. side) Comment
  UC908801  Linanthus jepsonii Herbert L. Mason 1933-4-30 7217 Lake Mount St. Helena Comment
  UC908878  Navarretia tagetina Herbert L. Mason 1946-5-30 12796 Lake 1.5 mi w Lower Lake Comment
  UC908884  Navarretia pubescens Herbert L. Mason 1946-5-30 12787 Lake near Middletown; Locomono Meadow Comment
  UC908937  Allophyllum divaricatum Herbert L. Mason 1934-5-5 8114 Lake e. side Mt. Konocti Comment
  UC909039  Navarretia pubescens Herbert L. Mason 1946-5-30 12803 Lake grade above Lucerne (w slope of Bartlett Mountain); Bartlett Mountain Comment
  UC909052  Linanthus bolanderi Herbert L. Mason 1929-4-29 5234 Lake 2.9 mi w Lakeport (e base of the road from Hopland to Lakeport) Comment
  UC909053  Linanthus bolanderi Herbert L. Mason 1940-5-22 12309 b Lake s of Lakeport (near junction of Hopland road) Comment
  UC909055  Eriastrum abramsii Herbert L. Mason 1945-5-12 12585 Lake ridge between Burns Valley and Borax Lake Comment
  UC909062  Navarretia viscidula Herbert L. Mason 1945-6-28 12607 Lake 2.5 mi s Kelseyville Comment
  UC912267  Lasthenia burkei Herbert L. Mason 1934-5-5 8128 Lake meadow about one-half way between Kelseyville and Lower Lake Comment
  UC912277  Layia septentrionalis Herbert L. Mason 1929-4-29 5235 Lake 2.9 mi w Lakeport Comment
Read comments
Jan 3 2018
  UC912373  Downingia cuspidata Herbert L. Mason 1934-5-5 8120 Lake sw of Mount Konocti Comment
  UC912392  Ceanothus Herbert L. Mason 1925-12-30 2546 Lake Cloverdale Grade Hopland; , Cloverdale Grade Comment
Read comments
Aug 5 2015
  UC912480  Polygonum parryi H. L. Mason 1934-5-5 8119 Lake plain sw Mount Konocti Comment
  UC912483  Packera greenei Herbert L. Mason 1930-6-1 5682 Lake St. Helena Creek, slopes of Mount St. Helena Mount St. Helena Comment
  UC912598  Delphinium variegatum H. L. Mason 1929-4-29 5257 Lake meadows between Middletown and Lower Lake 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
  UC921146  Cyperus squarrosus Herbert L. Mason August, 1930 5726 Lake Clear 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
  UC935740  Sagittaria cuneata Herbert L. Mason 1945-6-29 12623 Lake Boggs Lake at base Mount Hanna; Boggs Lake at base of Mount Hanna Comment
  UC935754  Sagittaria cuneata Herbert L. Mason 1945-8-24 12675 Lake e shore Lower Lake; e shore Lower Lake Comment
  UC936199  Crypsis vaginiflora Herbert L. Mason 1930-8-1 5724 Lake Lakeshore Clear Lake Comment
  UC936200  Eragrostis hypnoides Herbert L. Mason August, 1930 5728 Lake Lakeshore Clear Lake; , Lakeshore Comment
  UC936202  Panicum capillare H. L. Mason August, 1930 5725 Lake Lakeshore Clear Lake; , Clear Lake Comment
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Feb 24 2009
  UC956835  Ceratophyllum demersum Herbert L. Mason 1946-7-27 12955 Lake Upper Lake- Lakeport road Upper Lake - Lakeport road Comment
  UC962072  Eriastrum abramsii Herbert L. Mason 1945-6-28 12601 Lake se Borax Lake; Obsidian Ridge Comment
  UC962099  Eriastrum brandegeeae H. L. Mason 1945-5-12 12586 Lake on ridge between Burns Valley and Borax Lake Comment
  UC963755  Navarretia jepsonii H. L. Mason 1930-6-1 5687 Lake 4 mi e Middletown Comment
  UC963766  Phlox gracilis Herbert L. Mason 1926-3-21 2765 a Lake Middletown to Mt. St. Helena (via Toll House Canyon); Toll House Canyon Comment
  UC963769  Navarretia cotulifolia H. L. Mason 1930-6-1 5685 Lake 4 mi e Middletown Comment
  UC963786  Allophyllum divaricatum Herbert L. Mason 1945-6-29 12614 Lake 3 mi. s. Kelseyville Comment
  UC963803  Navarretia leucocephala subsp. minima Herbert L. Mason 1945-6-28 12599 Lake Excelsior Valley Comment
  UC964733  Navarretia jepsonii Herbert L. Mason 1945-6-28 12595 Lake e of Middletown (just below bridge) Comment
  UC964764  Centunculus minimus Herbert L. Mason 1937-5-27 11551 a Lake 6 mi n of Lower Lake (on s side of Mount Konocti); Mount Konocti Comment
  UC964796  Linanthus bolanderi Herbert L. Mason 1938-5-1 11748 Lake about 4 mi from Lucerne; Bartlett Mountain 1158 Comment
  UC971716  Collomia diversifolia Herbert L. Mason 1938-5-1 11741 Lake serpentine outcrop 3 mi e Middletown 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
  UC971990  Navarretia intertexta Herbert L. Mason 1952-6-15 14299 Lake 9 mi s Middletown; Butts Canyon Comment
  UC972231  Linanthus latisectus Herbert L. Mason 1936-4-26 11095 Lake e side Bartlett Mountain Comment
  UC980826  Hesperochiron pumilus Herbert L. Mason and Robert Sweeney 1953-4-17 14515 Lake due w. Lakeport (Four Mile Glade, Cow Mt.); Cow Mt., Four Mile Glade 914 Comment
  UC985639  Gratiola heterosepala H. L. Mason and R. C. Bacigalupi 1953-6-8 14544 Lake w base Mount Hanna (sw margin of lake); Boggs Lake; Lake Co. Comment
  UC985644  Alisma plantago-aquatica Herbert L. Mason 1946-7-27 12945 Lake about 1 mi s Lakeport (margin of Clear Lake); Clear Lake Comment
  UC985673  Eryngium aristulatum var. aristulatum Herbert L. Mason 1945-8-24 12671 Lake Boggs Lake Comment
  UCD107093  Ludwigia palustris H. L. Mason 1945-6-29 12627 Lake Boggs Lake, at base of Mount Hanna. Comment
  UCD107738  Medicago lupulina Herbert L. Mason 1945-5-12 12577 Lake Creek bank west of Middletown. Comment
  UCD110475  Hesperolinon bicarpellatum Herbert L. Mason 1945-6-28 12596 Lake 2.8 miles northeast from Middletown. Comment
  UCD120692  Phacelia suaveolens Herbert L. Mason 1940-5-10 14805 Lake Obsidian pond, north of Lower Lake. Comment
  UCD121676  Utricularia gibba Herbert L. Mason 1945-8-24 12670 Lake Boggs Lake. Comment
  UCD123430  Antirrhinum cornutum Herbert L. Mason 1940-5-10 14804 Lake Obsidian pond, north of Lower Lake. Comment
  UCD137953  Echinodorus berteroi Herbert L. Mason 1945-8-24 12672 Lake east shore, Lower Lake. Comment
  UCD138001  Damasonium californicum Herbert L. Mason 1946-5-30 12794 Lake Locomono Creek near Middletown. Comment
  UCD138252  Potamogeton nodosus Herbert L. Mason 1945-8-24 12683 Lake East shore, Lower Lake. Comment
  UCD139998  Bolboschoenus fluviatilis H. L. Mason 1945-8-24 12673 Lake East shore, Lower Lake. Comment
  UCD141109  Cyperus squarrosus Herbert L. Mason 1946-7-27 12949 Lake Clear Lake, 2-3 miles north of Lakeport. Comment
  UCD39811  Navarretia vividior H. L. Mason 1945-6-29 12629 Lake Boggs Lake, at base of Mount Hanna. Comment
  UCD45204  Quercus berberidifolia Herbert L. Mason 1925-12-31 2572 Lake Bartlett Mt. Road. Lake Co. Comment
  UCD45205  Quercus berberidifolia H. L. Mason 1926-1-1 2597 Lake Blue Lakes. Comment
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Jun 2 2008
  UCD48351  Navarretia cotulifolia H. L. Mason 1945-5-12 12578 Lake Meadow east of Middletown, Locomono Creek, Lake County, California. 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
  UCD48478  Navarretia intertexta Herbert L. Mason 1946-5-30 12798 Lake 3 miles E of Middletown. Comment
  UCD48598  Navarretia leucocephala subsp. pauciflora H. L. Mason 1945-5-12 12584 Lake In beds of vernal pools, 3 miles north of Lower Lake, Lake County, California. Comment
  UCD48703  Navarretia tagetina Herbert L. Mason 1946-5-30 12789 Lake Locomono Creek near Middletown, Lake County, California. Comment
  UCD55001  Downingia bicornuta H. L. Mason 1945-6-29 12617 Lake Boggs Lake, at base of Mount Hanna. Comment
  UCD59447  Navarretia pubescens H. L. Mason 1945-5-12 12579 Lake Meadow, Locomono Creek, east of Middletown. Comment
  UCD63376  Eragrostis hypnoides H. L. Mason 1945-8-24 12678 Lake East shore, Lower Lake. Comment
  UCD94816  Sparganium eurycarpum Herbert L. Mason 1946-7-27 12943 Lake Clear Lake about 1 mile S of Lakeport. Comment
  UCD97212  Amaranthus californicus H. L. Mason 1945-8-24 12676 Lake East shore, Lower Lake. Comment
  UCD99380  Persicaria amphibia Herbert L. Mason 1946-7-27 12950 Lake Clear Lake, 2-3 miles north of Lakeport. Comment
  UCLA69737  Salvia sonomensis H. L. Mason 1929-4-29 5252 Lake between Kelseyville and Lower Lake Comment
  CAS-BOT-BC111299  Schoenoplectus acutus var. occidentalis Herbert L. Mason 1946-7-27 12945 Lake Margin of Clear Lake about one mile south of Lakeport Comment
  CAS-BOT-BC232652  Navarretia pubescens Herbert L. Mason 1935-5-30 8330 Lake Between Lower Lake and Knoxville Mine Comment
  CAS-BOT-BC284560  Chaenactis glabriuscula var. heterocarpha H. L. Mason 1929-4-29 5246 Lake Two and nine-tenths miles west of Lakeport 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-BC302582  Gnaphalium palustre H. L. Mason 1934-5-5 8125 Lake Near Hildebrand Ranch, southeast of Kelseyville Comment
  CAS-BOT-BC361834  Psilocarphus oregonus H. L. Mason 1934-5-5 8124 Lake Near Hildebrand ranch, southeast of Kelseyville Comment
  CAS-BOT-BC410235  Hypericum concinnum H. L. Mason 1930-6-1 5676 Lake St. Helena Creek, slopes of Mount St. Helena Comment
  CAS-BOT-BC413521  Persicaria amphibia Herbert L. Mason 1945-6-29 12622 Lake Boggs Lake at base of Mount Hanna [Hannah] Comment
  CAS-BOT-BC435102  Mollugo verticillata Herbert L. Mason 1946-7-27 12953 Lake Clear Lake, 2-3 miles north of Lakeport Comment
  CAS-BOT-BC435169  Cypselea humifusa Herbert L. Mason 1946-7-27 12944 Lake Margin of Clear Lake about one mile south of Lakeport Comment
  CAS-BOT-BC435170  Cypselea humifusa Herbert L. Mason 1945-8-24 12684 Lake East shore, Lower Lake Comment
  CAS-BOT-BC452149  Potamogeton diversifolius Herbert L. Mason 1945-6-29 12624 Lake Boggs Lake at base of Mount Hanna [Hannah] Comment
  CAS-BOT-BC454209  Zannichellia palustris Herbert L. Mason; Verne Grant 1947-7-8 13281 Lake Bear Creek near junction of Williams highway and Upper Lake highway Comment
  CAS-BOT-BC454210  Zannichellia palustris Herbert L. Mason; Verne Grant 1947-7-8 13281 Lake Bear Creek near junction of Williams highway and Upper Lake highway Comment
  CAS-BOT-BC512625  Eriastrum abramsii Herbert L. Mason 1945-5-12 12585 Lake Ridge between Burns Valley and Borax Lake Comment
  CAS-BOT-BC512626  Eriastrum abramsii Herbert L. Mason 1945-6-28 12606 Lake 2.5 mi S of Kelseyville Comment
  CAS-BOT-BC61121  Streptanthus vimineus Herbert L. Mason 1940-5-22 12309 Lake South of Lakeport. Comment
  JEPS21448  Antirrhinum cornutum Herbert L. Mason 1940-5-10 14804 Lake n of Lower Lake Comment
  OBI22903  Hesperolinon disjunctum Herbert L. Mason 1946-5-30 12812 Lake Inner North Coast Ranges. Cache Crk drainage E of Indian Valley, Bartlett Springs to Williams rd 457 Comment
  POM312314  Bergia texana H. L. Mason 1945-8-24 12681 Lake East shore, Lower Lake. Comment
  POM312354  Amaranthus albus H. L. Mason 1945-8-24 12679 Lake East shore, Lower Lake. Comment
  POM312355  Amaranthus californicus H. L. Mason 1945-8-24 12676 Lake East shore, Lower Lake. Comment
  POM312370  Plantago halophila H. L. Mason 1945-8-24 12682 Lake East shore, Lower Lake. Comment
  POM312386  Cypselea humifusa H. L. Mason 1945-8-24 12684 Lake East shore, Lower Lake. Comment
  POM312434  Myosurus minimus H. L. Mason 1953-4-4 14504 Lake Stalked, spike tapering. On obsidian rubble, Playa north of Little Lake, Mannings Flat Comment
  POM312967  Sparganium erectum subsp. stoloniferum H. L. Mason 1946-7-27 12943 Lake Margin of Clear Lake about one mile south of Lakeport. Comment
  POM312979  Zannichellia palustris H. L. Mason, Verne Grant 1947-7-8 13281 Lake Bear Creek near Jct of Williams Hwy and Upper Lake Hwy. Lake County Comment
  POM313025  Potamogeton nodosus H. L. Mason 1945-8-24 12683 Lake East shore, 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
  POM313090  Schoenoplectus acutus var. occidentalis H. L. Mason 1945-8-24 12674 Lake East shore, Lower Lake. Comment
  POM85237  Orthocarpus attenuatus H. L. Mason 1926-3-21 2760 Lake Middle town. Comment
  RSA0004735  Eriastrum brandegeeae H. L. Mason 1945-6-28 12604 Lake Obsidian Ridge, southeast of Borax Lake Comment
  RSA0006023  Gratiola heterosepala H. L. Mason, R. C. Bacigalupi 1953-6-8 14544 Lake Southwest margin of Boggs Lake, (west base of Mount Hanna). Comment
  RSA0087777  Orobanche fasciculata Herbert L. Mason 1936-5-2 11099 Lake Four miles above Lucerne. Comment
  RSA151710  Hesperolinon micranthum H. L. Mason 1952-6-15 14297 Lake Butts Creek road southeast of Middletown. Comment
  RSA312321  Elatine heterandra H. L. Mason 1953-6-8 14547 Lake Snows Lake. Comment
  RSA74699  Phacelia rattanii H. L. Mason 1937-5-27 11551 Lake 6 miles N of Lower Lake. Comment
  RSA84423  Aquilegia eximia H. L. Mason 1933-9-24 s.n. Lake St. Helena Creek, E slope of Mt. St. Helena Comment
  SEINET10780562 Image available Eriastrum brandegeeae Herbert L. Mason 1945-6-28 Mason 12604 Lake Obsidian Ridge, southeast of Borax Lake Comment
  SEINET10890119 Image available Navarretia pauciflora Herbert L. Mason 1945-5-12 Mason 12583 Lake Comment
  SEINET13094911  Eriastrum brandegeeae H. L. Mason 1945-6-28 12604 Lake Obsidian Ridge, southeast of Borax 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
  SEINET3825844  Potamogeton natans Herbert L. Mason, Malcolm A. Nobs 1950-8-16 171 Lake Intermediate between and growing with P. natans and P. illinoensis. Resort area at southeast end of Clear Lake Comment
  SEINET3926222  Crypsis aculeata H. L. Mason 1930-1 5724 Lake Lakeshore. Clear Lake, Lake County.; 0 Comment
  SEINET4407887 Image available Eriastrum brandegeeae H. L. Mason 1945-1 12604 Lake Comment
  SEINET8729289 Image available Collomia diversifolia Herbert L. Mason 1938-1 11741 Lake Three miles east of Middletown. 1938 Comment
  SEINET8729305 Image available Eriastrum brandegeeae H. L. Mason 1945-1 12604 Lake Obsidian Ridge, southeast of Borax Lake. Comment
  SEINET8729333 Image available Linanthus bolanderi Herbert L. Mason 1938-1 11748 Lake Bartlett Mountain, about 4 miles from Lucerne. Comment
  UC1076266  Centromadia fitchii Herbert L. Mason 1930-8-1 5729 Lake road to Bartlet Mountain Comment
  UC1076501  Astragalus breweri Herbert L. Mason 1929-4-29 5251 Lake waste slopes about Lakeport (North Coast Ranges); , Lakeport 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
  UC1101145  Polygonum lapathifolium Herbert L. Mason August 1930 5718 Lake Clear Lake; along shores Comment
  UC1101176  Polygonum hydropiperoides Herbert L. Mason August 1930 5721 Lake Clear Lake; along shores Comment
  UC1178869  Wyethia angustifolia Herbert L. Mason 1937-5-27 11554 a Lake nine mi s Kelseyville Comment
  UC1191848  Antirrhinum cornutum Herbert L. Mason 1940-5-10 14804 Lake n of Lower Lake Comment
  UC1192267  Bergia texana Herbert L. Mason 1945-8-24 12681 Lake East Shore, Lower Lake Comment
  UC1212248  Hesperolinon micranthum Herbert L. Mason 1935-5-30 8329 Lake two mi e Middletown; Inner North Coast Ranges Comment
  UC1212508  Hesperolinon disjunctum Herbert L. Mason 1946-5-30 12812 Lake Cache Creek drainage e Indian Valley (Bartlett Springs to Williams road); Inner North Coast Ranges 457 Comment
  UC1714385  Mentha canadensis H. L. Mason August 1930 5723 Lake along shore Clear Lake; shore of Clear Lake Comment
  UC566736  Lasthenia glabrata subsp. glabrata H. L. Mason 1929-4-29 5250 Lake Comment
  UC566889  Sanicula tuberosa Herbert L. Mason 1926-3-21 2770 Lake 2 mi above Middletown (along St. Helena Creek, Middletown St. Helena Road); St. Helena Creek Comment
  UC604415  Gnaphalium palustre H. L. Mason 1934-5-5 8125 Lake near Hildebrand Ranch (se of Kelseyville) Comment
  UC604419  Psilocarphus oregonus H. L. Mason 1934-5-5 8124 Lake se of Kelseyville (near Hildebrand ranch) Comment
  UC604420  Psilocarphus oregonus H. L. Mason 1934-5-5 8133 Lake se of Kelseyville (near Hildebrand Ranch) Comment
  UC632787  Collinsia greenei H. L. Mason 1936-4-26 11094 Lake e side Bartlett Mtn; Inner North Coast Ranges Comment
  UC634882  Mentha canadensis H. L. Mason August 1930 5723 Lake along the shore Clear Lake; shore of Clear Lake Comment
  UC635542  Clematis lasiantha H. L. Mason 1929-4-29 5232 Lake just e. Hopland; Mayacama Range Comment
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Jul 28 2015
  UC673625  Ancistrocarphus filagineus H. L. Mason 1933-4-30 7233 Lake 10 mi n, on rd to Middleton Pope Valley Comment
  UC673626  Ancistrocarphus filagineus H. L. Mason 1933-4-30 7235 Lake on rd to Middletown; Pope Valley Comment
  UC907826  Linanthus bolanderi Herbert L. Mason 1946-5-30 12805 Lake w slope Bartlett Mountain (road branch to High 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
  UC908164  Navarretia pubescens Herbert L. Mason 1935-5-30 8330 Lake between Knoxville mine and Lower Lake Comment
  UC908428  Navarretia intertexta Herbert L. Mason 1945-6-29 12613 Lake wash of Kelsey Creek Kelsey Creek Comment
  UC908590  Linanthus bolanderi Herbert L. Mason 1937-5-27 11554 Lake 9 mi s Kelseyville Comment
  UC912255  Lessingia ramulosa Herbert L. Mason 1928-7-20 4912 Lake s Kelseyville Comment
  UC912395  Ceanothus foliosus Herbert L. Mason 1929-4-29 5231 Lake just e of Hopland Mayacama Range Comment
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Jul 28 2015
  UCD110432  Bergia texana Herbert L. Mason 1945-8-24 12681 Lake East shore, Lower Lake. Comment
  UCD110449  Elatine californica Herbert L. Mason 1936-9-20 11535 Lake Base of trail; sheep corral to Snow Mountain. Comment
  UCD124519  Plantago major Herbert L. Mason 1945-8-24 12682 Lake East shore, Lower Lake. Comment
  UCD138291  Zannichellia palustris Herbert L. Mason; Verne Grant 1947-7-8 13281 Lake Bear Creek near junction of Williams highway and Upper Lake highway. Comment
  UCD48479  Navarretia intertexta H. L. Mason 1945-5-12 12580 Lake 3 miles north of Lower Lake, beds of vernal pools, Lake County, California. Comment
  UCD48714  Navarretia viscidula H. L. Mason 1945-6-28 12607 Lake 2.5 miles south of Kelseyville, Lake County, California. 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



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