Search Results — 1127 specimen records retrieved (794 records with coordinates)
Results for search: County=SONOMA; Source=All; Collector=Howell;   

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC100254  Blennosperma bakeri John Thomas Howell 1949-4-6 25303 Sonoma Low field southwest of Sonoma. Type locality. Comment
  CAS-BOT-BC100256  Blennosperma bakeri John Thomas Howell 1949-4-6 25303 Sonoma Low field sw. of Sonoma Comment
  CAS-BOT-BC100257  Blennosperma bakeri John Thomas Howell 1949-4-6 25303 Sonoma Low field sw. of Sonoma Comment
  CAS-BOT-BC10098  Delphinium luteum John Thomas Howell 1930-6-8 5261 Sonoma 1 mile east of Bodega Bay Comment
  CAS-BOT-BC10099  Delphinium luteum John Thomas Howell 1931-4-18 6414 Sonoma Larkspur Rock, near Bodega Bay Comment
  CAS-BOT-BC10100  Delphinium luteum John Thomas Howell 1931-4-18 6415 Sonoma Larkspur Rock, near Bodega Bay Comment
  CAS-BOT-BC101799  Myrica californica John Thomas Howell; J. W. Stacey 1936-7-26 12687 Sonoma Pitkin Marsh, 5 miles n. of Sebastopol Comment
  CAS-BOT-BC102005  Bidens frondosa John Thomas Howell 1946-8-17 22849 Sonoma The Laguna north of Sebastopol Comment
  CAS-BOT-BC102863  Salix breweri John Thomas Howell 1933-4-2 10940 Sonoma slopes of Mt. Hood, Sonoma Creek Canyon Comment
  CAS-BOT-BC104298  Quercus X morehus John Thomas Howell 1946-8-17 22859 Sonoma Lloyd Voit Ranch W of Cunningham Comment
  CAS-BOT-BC109166  Polygonum bolanderi John Thomas Howell 1926-10-3 2213 Sonoma Two miles from Petrified Forest on road to Calistoga. Comment
  CAS-BOT-BC110184  Carex buxbaumii John Thomas Howell 1945-7-18 21327 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC111866  Rhynchospora alba John Thomas Howell; Hans Leschke 1945-5-30 20896 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111871  Rhynchospora alba John Thomas Howell; Hans Leschke 1945-5-30 20896 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111874  Rhynchospora alba John Thomas Howell; Milo S. Baker; Hans Leschke 1945-7-18 21325 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111891  Rhynchospora californica John Thomas Howell 1945-7-18 21321 Sonoma Pitkin Marsh 182 Comment
  CAS-BOT-BC111892  Rhynchospora californica John Thomas Howell 1945-7-18 21321 Sonoma Pitkin Marsh 182 Comment
  CAS-BOT-BC111893  Rhynchospora californica John Thomas Howell 1945-7-18 21321 Sonoma Pitkin Marsh 182 Comment
  CAS-BOT-BC111894  Rhynchospora californica John Thomas Howell 1945-8-14 21382 Sonoma Perry Marsh 182 Comment
  CAS-BOT-BC111895  Rhynchospora californica John Thomas Howell 1945-8-14 21382 Sonoma Perry Marsh 182 Comment
  CAS-BOT-BC111896  Rhynchospora capitellata John Thomas Howell 1945-8-14 21389 Sonoma Perry Marsh Comment
  CAS-BOT-BC111898  Rhynchospora capitellata John Thomas Howell; J. W. Stacey 1936-7-26 12677 Sonoma Pitkin Marsh; 5 miles north of Sebastopol. Comment
  CAS-BOT-BC111899  Rhynchospora capitellata John Thomas Howell 1945-7-18 21318 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111900  Rhynchospora capitellata John Thomas Howell 1945-7-18 21318 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111907  Rhynchospora capitellata John Thomas Howell; J. W. Stacey 1936-7-26 12677 Sonoma Pitkin Marsh; 5 miles north of Sebastopol. Comment
  CAS-BOT-BC111925  Rhynchospora recognita John Thomas Howell 1946-8-17 22863 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC111926  Rhynchospora recognita John Thomas Howell 1947-6-26 23313 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC111927  Rhynchospora recognita John Thomas Howell 1945-8-14 21393 Sonoma Perry Marsh Comment
  CAS-BOT-BC111928  Rhynchospora recognita John Thomas Howell 1945-8-14 21393 Sonoma Perry Marsh Comment
  CAS-BOT-BC111929  Rhynchospora recognita John Thomas Howell 1945-7-18 21324 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111930  Rhynchospora recognita John Thomas Howell 1945-7-18 21324 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111931  Rhynchospora recognita John Thomas Howell 1945-7-18 21324 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111932  Rhynchospora recognita John Thomas Howell 1936-7-26 12678 Sonoma Pitkin Marsh, 5 miles n of Sebastopol. Comment
  CAS-BOT-BC111933  Rhynchospora recognita John Thomas Howell 1936-7-26 12678 Sonoma Pitkin Marsh, 5 miles n of Sebastopol. Comment
  CAS-BOT-BC112389  Isolepis carinata John Thomas Howell; J. W. Stacey 1937-6-6 13027 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC112412  Isolepis carinata John Thomas Howell 1957-6-13 32620 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC112564  Isolepis cernua John Thomas Howell 1937-6-6 13027 A Sonoma Pitkin Marsh Comment
  CAS-BOT-BC113143  Eleocharis palustris John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh Comment
  CAS-BOT-BC113907  Cyperus niger var. capitatus John Thomas Howell 1945-8-14 21412 Sonoma Perry marsh Comment
  CAS-BOT-BC113916  Cyperus niger var. castaneus John Thomas Howell; J. W. Stacey 1936-7-26 12675 Sonoma Pitkin Marsh, 5 mi. N of Sebastapol. Comment
  CAS-BOT-BC115531  Carex tumulicola John Thomas Howell 1947-6-5 23239 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC115532  Carex tumulicola John Thomas Howell; Catherine Best; Wilma Follette; Mary P. Wells 1982-4-28 54675 Sonoma Bouverie Audubon Preserve, ca 1.5 mi E of Glen Ellen near Stuart Creek. 137 Comment
  CAS-BOT-BC115829  Carex subfusca John Thomas Howell 1947-6-5 23241 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC116779  Carex subbracteata var. subbracteata John Thomas Howell; J. W. Stacey 1936-7-26 12666 Sonoma Occidental Comment
  CAS-BOT-BC116780  Carex subbracteata var. subbracteata John Thomas Howell 1947-6-5 23238 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC116781  Carex subbracteata var. subbracteata John Thomas Howell 1938-7-3 13949 Sonoma Stony Point Comment
  CAS-BOT-BC117357  Carex stipata var. stipata John Thomas Howell; J. W. Stacey 1937-6-6 13039 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC117358  Carex stipata var. stipata John Thomas Howell; J. W. Stacey 1937-6-6 13021 Sonoma Sebastopol Comment
  CAS-BOT-BC118329  Carex praegracilis John Thomas Howell 1947-6-26 23295 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC118941  Carex pellita John Thomas Howell; J. W. Stacey 1937-6-6 13041 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC118942  Carex pellita John Thomas Howell; J. W. Stacey 1937-6-6 13041 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC118943  Carex pellita John Thomas Howell 1945-8-14 21410 Sonoma Perry marsh. Comment
  CAS-BOT-BC119286  Carex ovalis John Thomas Howell; J. W. Stacey 1937-6-6 13038 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC119287  Carex ovalis John Thomas Howell 1947-6-5 23240 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC119288  Carex ovalis John Thomas Howell 1947-6-5 23237 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC119289  Carex ovalis John Thomas Howell 1938-7-3 13965 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC119290  Carex ovalis John Thomas Howell 1947-6-26 23240 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC119307  Carex obnupta John Thomas Howell; J. W. Stacey 1936-7-26 12676 Sonoma Pitkin Marsh, 5 mi N of Sebastopol. Comment
  CAS-BOT-BC119578  Carex nudata John Thomas Howell; Catherine Best; Wilma Follette; Mary P. Wells 1982-4-28 54677 Sonoma Bouverie Audubon Preserve, ca 1.5 mi E of Glen Ellen near Stuart Creek. 137 Comment
  CAS-BOT-BC119580  Carex nudata John Thomas Howell 1933-4-2 10931 Sonoma Sonoma Creek Canyon Comment
  CAS-BOT-BC119731  Carex nebrascensis John Thomas Howell 1945-8-14 21411 Sonoma Perry Marsh. Comment
  CAS-BOT-BC119732  Carex nebrascensis John Thomas Howell 1947-6-26 23309 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC119733  Carex nebrascensis John Thomas Howell 1946-8-17 22864 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC123707  Grindelia hirsutula var. hirsutula John Thomas Howell 1930-7-13 5338 Sonoma Black Point Road Comment
  CAS-BOT-BC123708  Grindelia hirsutula var. hirsutula John Thomas Howell 1930-7-13 5338 Sonoma 8 miles W of Petaluma on Bodega Road Comment
  CAS-BOT-BC126973  Agrostis exarata John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC12759  Lepidium oxycarpum John Thomas Howell 1933-4-1 10924 Sonoma Petaluma. Comment
  CAS-BOT-BC12760  Lepidium oxycarpum John Thomas Howell 1933-4-1 10924 Sonoma Petaluma. Comment
  CAS-BOT-BC128064  Salix lasiandra var. lasiandra John Thomas Howell 1932-9-18 10772 Sonoma Bank of slough draining Kenwood Marsh. Comment
  CAS-BOT-BC128065  Salix lasiandra var. lasiandra John Thomas Howell 1932-9-18 10772 Sonoma Bank of slough draining Kenwood Marsh. Comment
  CAS-BOT-BC12969  Lepidium strictum John Thomas Howell; Catherine Best; Wilma Follette; Gordon H. True; Mary P. Wells 1981-5-14 53944 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles NE of Penngrove on the west slope of Sonoma Mountain. 457 Comment
  CAS-BOT-BC12970  Lepidium strictum John Thomas Howell; Catherine Best; Wilma Follette; Mary P. Wells 1982-4-28 54673 Sonoma Bouverie Audubon Preserve, about 1.5 mile east of Glen Ellen near Stuart Creek. 137 Comment
  CAS-BOT-BC130177  Fritillaria affinis John Thomas Howell 1924-3-22 289 Sonoma Camp Meeker Comment
  CAS-BOT-BC130827  Lilium pardalinum John Thomas Howell 1945-5-30 20897 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC13167  Agoseris hirsuta John Thomas Howell 1930-6-8 5268 Sonoma North end of Bodega Bay Comment
  CAS-BOT-BC132636  Calochortus uniflorus John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh Comment
  CAS-BOT-BC132637  Calochortus uniflorus John Thomas Howell 1947-6-5 23232 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC135036  Phoradendron bolleanum John Thomas Howell 1933-4-2 10961 Sonoma 2 miles E of Occidental Comment
  CAS-BOT-BC135422  Cercocarpus betuloides var. betuloides John Thomas Howell 1937-7-4 13074 Sonoma Near Petrified Forest Comment
  CAS-BOT-BC135423  Cercocarpus betuloides var. betuloides John Thomas Howell 1933-4-2 10938 Sonoma Sonoma Creek Canyon Comment
  CAS-BOT-BC135671  Amelanchier utahensis John Thomas Howell; Alice Eastwood 1939-4-2 7378 Sonoma Near Camp Meeker on road to Occidental Comment
  CAS-BOT-BC135672  Amelanchier utahensis John Thomas Howell 1930-6-8 5287 Sonoma 8.5 miles n. of Bodega Bay Comment
  CAS-BOT-BC135765  Veratrum fimbriatum John Thomas Howell 1931-9-26 8094 Sonoma 7 miles north of Fort Ross Comment
  CAS-BOT-BC137785  Andropogon virginicus var. virginicus John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC137787  Andropogon virginicus var. virginicus John Thomas Howell; J. W. Stacy 1936-7-26 12671 Sonoma Pitkin Marsh, 5 miles north of Sebastopol. Comment
  CAS-BOT-BC138046  Alopecurus aequalis var. sonomensis John Thomas Howell 1947-6-5 23229 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC138051  Alopecurus aequalis var. sonomensis John Thomas Howell 1945-5-30 20899 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC138212  Aira caryophyllea var. caryophyllea John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC138216  Aira caryophyllea var. caryophyllea John Thomas Howell; Catherine Best; Wilma Follette; Gordon H. True; Mary P. Wells 1981-5-14 53959 Sonoma Fairfiled Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain. 457 Comment
  CAS-BOT-BC138399  Aira caryophyllea var. capillaris John Thomas Howell; Catherine Best; Wilma Follette; Mary Wells 1982-4-28 54665 Sonoma Bouverie Audubon Preserve, about 1.5 mile east of Glen Ellen near Stuart Creek. 137 Comment
  CAS-BOT-BC138597  Agrostis stolonifera John Thomas Howell 1947-6-26 23302 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC138916  Agrostis pallens John Thomas Howell 1945-7-18 s.n. Sonoma Drier borders of Pitkin Marsh. Comment
  CAS-BOT-BC139557  Agrostis gigantea John Thomas Howell 1947-6-26 23317 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC141601  Potentilla uliginosa John Thomas Howell 1947-6-26 23297 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC141650  Potentilla uliginosa John Thomas Howell 1946-8-17 22861 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC145289  Briza minor John Thomas Howell 1935-5-5 12607 Sonoma Kenwood. Comment
  CAS-BOT-BC145448  Brachypodium distachyon John Thomas Howell 1948-4-18 24214 Sonoma Hills east of Agua Caliente. Comment
  CAS-BOT-BC145730  Avena sativa John Thomas Howell; Walter Knight; Irja Knight 1987-5-20 6238 Sonoma East Cotati Avenue, near Sonoma State University. Comment
  CAS-BOT-BC145839  Beckmannia syzigachne John Thomas Howell 1930-6-8 5239 Sonoma Bodega Road, 3 miles east of Valley Ford. Comment
  CAS-BOT-BC145874  Beckmannia syzigachne John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC146139  Avena barbata John Thomas Howell; Catherine Best; Wilma Follette; Gordon H. True; Mary P. Wells 1981-5-14 53952 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain. 457 Comment
  CAS-BOT-BC146521  Horkelia tenuiloba John Thomas Howell 1937-7-4 13083 Sonoma 5 miles north of Sebastopol Comment
  CAS-BOT-BC146522  Horkelia tenuiloba John Thomas Howell 1955-6-2 30258 Sonoma Near Vine Hill School Comment
  CAS-BOT-BC146523  Horkelia tenuiloba John Thomas Howell 1945-5-30 20909 Sonoma Vine Hill School Comment
  CAS-BOT-BC146597  Carex gynodynama John Thomas Howell 1947-6-5 23231 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC148203  Rosa rubiginosa John Thomas Howell 1930-6-8 5234 Sonoma Flat along stream, 4 miles east of Valley Ford. Comment
  CAS-BOT-BC148204  Rosa rubiginosa John Thomas Howell 1946-8-17 22871 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC149092  Bromus carinatus var. carinatus John Thomas Howell; Catherine Best; Wilma Follette; Mary Wells 1982-4-28 54667 Sonoma Bouverie Audubon Preserve, about 1.5 mile east of Glen Ellen near Stuart Creek. 137 Comment
  CAS-BOT-BC149097  Bromus carinatus var. carinatus John Thomas Howell; Catherine Best; Wilma Follette; Gordon H. True; Mary P. Wells 1981-5-14 53991 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain. 457 Comment
  CAS-BOT-BC152654  Rosa californica John Thomas Howell 1932-9-18 10773 Sonoma Bank of slough draining Kenwood Marsh Comment
  CAS-BOT-BC152655  Rosa californica John Thomas Howell 1932-9-18 10773 Sonoma Bank of slough draining Kenwood Marsh Comment
  CAS-BOT-BC152656  Rosa californica John Thomas Howell 1926-11-14 2248 Sonoma Santa Rosa Comment
  CAS-BOT-BC15351  Agoseris grandiflora var. grandiflora John Thomas Howell; Catherine Best; Wilma Follette; Gordon H. True; Mary P. Wells 1981-5-14 53957 Sonoma Fairfield Osborn preserve of the Nature Conservancy, 4.5 miles NE of Penngrove on west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC155202  Bromus hordeaceus John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC155211  Bromus hordeaceus John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53969 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain. 457 Comment
  CAS-BOT-BC155662  Bromus diandrus John Thomas Howell; Walter Knight; Irja Knight 1987-6-4 6228 Sonoma Tood Road Preserve. 24 Comment
  CAS-BOT-BC155955  Bromus commutatus John Thomas Howell 1947-6-26 23305 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC159463  Drymocallis glandulosa var. glandulosa John Thomas Howell 1930-6-8 5255 Sonoma Rocky slope, 1 mile east of Bodega Bay Comment
  CAS-BOT-BC159464  Drymocallis glandulosa var. glandulosa John Thomas Howell 1930-6-8 5289 Sonoma Rocky slope overlooking the ocean, 8.5 miles n. of Bodega Bay Comment
  CAS-BOT-BC160366  Camissoniopsis cheiranthifolia subsp. cheiranthifolia John Thomas Howell 1930-6-8 5273 Sonoma At north end of Bodega Bay Comment
  CAS-BOT-BC161520  Bromus tectorum John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53990 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain. 457 Comment
  CAS-BOT-BC161584  Bromus sterilis John Thomas Howell 1949-4-6 25305 Sonoma Along road southwest of Sonoma. Comment
  CAS-BOT-BC161585  Bromus sterilis John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53965 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain. 457 Comment
  CAS-BOT-BC162513  Clarkia gracilis subsp. gracilis John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54000 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC163150  Clarkia imbricata John Thomas Howell 1945-7-18 21315 Sonoma Dry slope bordering Pitkin Marsh Comment
  CAS-BOT-BC163151  Clarkia imbricata John Thomas Howell 1937-7-4 13084 Sonoma 5 miles north of Sebastopol Comment
  CAS-BOT-BC163466  Clarkia purpurea subsp. quadrivulnera John Thomas Howell 1955-6-3 30260 Sonoma Near Vine Hill School Comment
  CAS-BOT-BC163467  Clarkia purpurea subsp. quadrivulnera John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53999 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC163468  Clarkia purpurea subsp. quadrivulnera John Thomas Howell 1929-6-9 4301 Sonoma 2 miles n. of Sonoma Comment
  CAS-BOT-BC164586  Clarkia purpurea subsp. viminea John Thomas Howell 1937-7-4 13067 Sonoma Near Petrified Forest Comment
  CAS-BOT-BC166621  Epilobium canum subsp. canum John Thomas Howell 1932-10-9 10815 Sonoma Sonoma Creek Canyon near Kenwood Springs Comment
  CAS-BOT-BC16698  Barbarea orthoceras John Thomas Howell 1951-5-28 27497 Sonoma Laguna east of Sebastopol. Comment
  CAS-BOT-BC169367  Alnus rubra John Thomas Howell 1934-3-3 11736 Sonoma 8 miles S of Fort Ross Comment
  CAS-BOT-BC169368  Alnus rubra John Thomas Howell 1934-3-3 11741 Sonoma near Fort Ross Comment
  CAS-BOT-BC17343  Arabis blepharophylla John Thomas Howell 1930-6-8 5253 Sonoma 1 mile east of Bodega Bay. Comment
  CAS-BOT-BC174577  Minuartia californica John Thomas Howell 1948-4-18 24207 Sonoma Hills east of Agua Caliente Comment
  CAS-BOT-BC175337  Stellaria borealis subsp. sitchana John Thomas Howell 1945-8-14 21399 Sonoma Perry Marsh Comment
  CAS-BOT-BC178662  Astragalus claranus John Thomas Howell 1931-4-19 6431 Sonoma Grassy meadow, 12.5 miles from St. Helena on Spring Mountain Road to Santa Rosa Comment
  CAS-BOT-BC178663  Astragalus claranus John Thomas Howell 1931-4-19 6431 Sonoma Grassy meadow, 12.5 miles from St. Helena on Spring Mountain Road to Santa Rosa Comment
  CAS-BOT-BC18135  Carex athrostachya John Thomas Howell; J. W. Stacey 1937-6-6 13018 Sonoma Sebastopol. Comment
  CAS-BOT-BC18136  Carex athrostachya John Thomas Howell; J. W. Stacey 1937-6-6 13018 Sonoma Sebastopol. Comment
  CAS-BOT-BC183219  Vulpia microstachys var. ciliata John Thomas Howell 1943-4-18 17924 Sonoma Hills east of Agua Caliente Comment
  CAS-BOT-BC185128  Calamagrostis nutkaensis John Thomas Howell 1945-5-30 20901 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC185406  Calamagrostis bolanderi John Thomas Howell 1946-8-17 22877 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC185407  Calamagrostis bolanderi John Thomas Howell 1947-6-26 23312 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC185414  Calamagrostis bolanderi John Thomas Howell 1947-6-5 23235 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC185831  Vulpia myuros subsp. megalura John Thomas Howell; Catherine Best; Wilma Follette; Mary Wells 1982-4-28 54657 Sonoma Bouverie Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC187882  Sidalcea calycosa subsp. rhizomata John Thomas Howell 1945-8-14 21387 Sonoma Perry Marsh Comment
  CAS-BOT-BC187885  Sidalcea calycosa subsp. rhizomata John Thomas Howell 1936-7-26 s.n. Sonoma Pitkin Marsh, near Sebastopol Comment
  CAS-BOT-BC18976  Carex densa John Thomas Howell 1938-7-3 13948 Sonoma Stony Point. Comment
  CAS-BOT-BC18977  Carex densa John Thomas Howell 1938-7-3 13964 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC18978  Carex densa John Thomas Howell 1947-6-5 23236 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC18979  Carex densa John Thomas Howell 1947-6-26 23298 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC18980  Carex densa John Thomas Howell; J. W. Stacey 1936-7-26 12665 Sonoma Occidental. Comment
  CAS-BOT-BC18981  Carex densa John Thomas Howell; J. W. Stacey 1937-6-6 13040 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC190103  Crypsis schoenoides John Thomas Howell 1957-9-16 32979 Sonoma Russian River bottom, near Guerneville. Comment
  CAS-BOT-BC190346  Cynodon dactylon John Thomas Howell; Walter Knight; Irja Knight 1987-5-20 6233 Sonoma Todd Road Preserve. 24 Comment
  CAS-BOT-BC190473  Cynosurus echinatus John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53954 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain. 457 Comment
  CAS-BOT-BC191597  Chorizanthe cuspidata var. cuspidata John Thomas Howell 1930-6-8 5271 Sonoma at N end of Bodega Bay Comment
  CAS-BOT-BC192276  Danthonia californica John Thomas Howell 1957-6-13 32622 Sonoma Bordering Pitkin Marsh Comment
  CAS-BOT-BC192277  Danthonia californica John Thomas Howell 1935-5-5 12611 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC192278  Danthonia californica John Thomas Howell 1930-6-8 5217 Sonoma 8 miles w. of Petaluma on Bodega Road Comment
  CAS-BOT-BC192279  Danthonia californica John Thomas Howell 1947-6-5 23246 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC192280  Danthonia californica John Thomas Howell 1935-5-5 12611 Sonoma 6 miles from Santa Rosa, on road to Sonoma Comment
  CAS-BOT-BC192605  Deschampsia cespitosa subsp. holciformis John Thomas Howell 1947-6-5 23245 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC192607  Deschampsia cespitosa subsp. holciformis John Thomas Howell 1945-5-30 20898 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC19363  Carex barbarae John Thomas Howell; J. W. Stacey 1937-6-6 13022 Sonoma Sebastopol. Comment
  CAS-BOT-BC19364  Carex barbarae John Thomas Howell; J. W. Stacey 1937-6-6 13023 Sonoma Sebastopol. Comment
  CAS-BOT-BC19566  Carex bolanderi John Thomas Howell 1930-7-27 5390 Sonoma 1 mile north of Fort Ross. Comment
  CAS-BOT-BC19897  Carex echinata subsp. phyllomanica John Thomas Howell 1945-5-30 20892 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC199471  Vaccinium parvifolium John Thomas Howell 1930-7-27 5395 Sonoma 1 mile north of Fort Ross Comment
  CAS-BOT-BC199900  Vulpia bromoides John Thomas Howell 1947-6-26 23314 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC199969  Vulpia microstachys var. ciliata John Thomas Howell 1943-4-18 17924 Sonoma Hills east of Aqua Caliente Comment
  CAS-BOT-BC199970  Vulpia microstachys var. ciliata John Thomas Howell 1948-4-18 24205 Sonoma Hills east of Aqua Caliente Comment
  CAS-BOT-BC200096  Trisetum canescens John Thomas Howell; Catherine Best; Gordon H. True 1982-5-6 54693 Sonoma Bouverie Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC200109  Trisetum canescens John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54007 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC201643  Deschampsia danthonioides John Thomas Howell; Walter Knight; Irja Knight 1987-6-4 6242 Sonoma Todd Road Preserve 24 Comment
  CAS-BOT-BC201648  Deschampsia danthonioides John Thomas Howell; Catherine Best; Gordon H. True 1982-5-6 54681 Sonoma Bouverie Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC201960  Deschampsia elongata John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54022 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC20448  Carex globosa John Thomas Howell 1955-6-2 30258 A Sonoma Near Vine Hill School. Comment
  CAS-BOT-BC20449  Carex globosa John Thomas Howell 1945-5-30 20913 Sonoma Vine Hill School. Comment
  CAS-BOT-BC20450  Carex globosa John Thomas Howell 1945-5-30 20913 Sonoma Vine Hill School. Comment
  CAS-BOT-BC20451  Carex globosa John Thomas Howell; J. W. Stacey 1936-7-26 12662 Sonoma Near Monte Rio. Comment
  CAS-BOT-BC20452  Carex globosa John Thomas Howell; Catherine Best; Wilma Follette; Mary Wells 1982-4-28 54676 Sonoma Bouverie Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek. 137 Comment
  CAS-BOT-BC20473  Carex densa John Thomas Howell 1937-7-4 13073 Sonoma Near Petrified Forest. Comment
  CAS-BOT-BC20476  Carex densa John Thomas Howell; J. W. Stacey 1937-6-6 13025 Sonoma Sebastopol. Comment
  CAS-BOT-BC20477  Carex densa John Thomas Howell; J. W. Stacey 1937-6-6 13019 Sonoma Sebastopol. Comment
  CAS-BOT-BC20478  Carex densa John Thomas Howell; J. W. Stacey 1937-6-6 13020 Sonoma Sebastopol. Comment
  CAS-BOT-BC20481  Carex densa John Thomas Howell 1930-6-8 5235 Sonoma 3 miles east of Valley Ford. Comment
  CAS-BOT-BC20482  Carex densa John Thomas Howell 1945-5-30 20891 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC20490  Carex densa John Thomas Howell; Catherine Best; Wilma Follette; Gordon H. True; Mary P. Wells 1981-5-14 53974 Sonoma Fairfield Osborn Preserve of the Nature Conservancy. 4.5 miles northeast of Penngrove on the west slope of Sonoma Mt. 457 Comment
  CAS-BOT-BC208555  Echinochloa crus-galli John Thomas Howell; Walter Knight; Irja Knight 1986-10-9 6283 Sonoma Llano Road between Gravenstein Hwy. and Todd Road near sewage plant. Comment
  CAS-BOT-BC208932  Dichanthelium acuminatum subsp. acuminatum John Thomas Howell; J. W. Stacey 1936-7-26 12680 Sonoma Pitkin Marsh, 5 miles N of Sebastopol Comment
  CAS-BOT-BC208963  Digitaria ischaemum John Thomas Howell; Walter Knight; Irja Knight 1986-10-9 6127 Sonoma Llamo Road between Todd Road adn Gravenstein Hwy. Comment
  CAS-BOT-BC209116  Digitaria sanguinalis John Thomas Howell 1957-9-26 32981 Sonoma Sandy Russian River bottom near Guerneville. Comment
  CAS-BOT-BC210439  Cornus sericea John Thomas Howell 1946-8-17 22874 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC210440  Cornus sericea John Thomas Howell 1945-7-18 21317 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC210441  Cornus sericea John Thomas Howell 1937-6-6 13036 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC212921  Ribes menziesii John Thomas Howell 1934-3-3 11737 Sonoma 8 miles south of Fort Ross Comment
  CAS-BOT-BC212922  Ribes menziesii John Thomas Howell 1934-3-3 11737 Sonoma 8 miles south of Fort Ross Comment
  CAS-BOT-BC213170  Sidalcea oregana subsp. valida John Thomas Howell 1932-9-18 10766 Sonoma Kenwood Marsh near Kenwood Comment
  CAS-BOT-BC215920  Calystegia purpurata subsp. purpurata John Thomas Howell 1934-3-26 11790 Sonoma 12 miles from Calistoga on Alexander Valley Road Comment
  CAS-BOT-BC217057  Trifolium amoenum John Thomas Howell 1938-7-3 13952 Sonoma Stony Point Comment
  CAS-BOT-BC217813  Lomatium repostum John Thomas Howell 1966-6-2 41551 Sonoma In hills E. of Aqua Caliente Comment
  CAS-BOT-BC217873  Fraxinus latifolia John Thomas Howell 1951-5-28 27498 Sonoma Laguna east of Sebastopol Comment
  CAS-BOT-BC21899  Carex harfordii John Thomas Howell 1945-5-30 20890 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC221429  Angelica hendersonii John Thomas Howell 1930-7-27 5408 Sonoma 1 mile north of Fort Ross Comment
  CAS-BOT-BC221963  Taeniatherum caput-medusae John Thomas Howell; Walter Knight; Irja Knight 1987-5-27 6235 Sonoma Todd Road Preserve 24 Comment
  CAS-BOT-BC221968  Taeniatherum caput-medusae John Thomas Howell 1967-6-17 42595 Sonoma Hot Springs Road sw. of Cloverdale Comment
  CAS-BOT-BC222742  Perideridia gairdneri subsp. gairdneri John Thomas Howell 1946-8-17 22862 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC224741  Calystegia purpurata subsp. saxicola John Thomas Howell 1930-6-8 5290 Sonoma 8.5 miles n. of Bodega Bay Comment
  CAS-BOT-BC224742  Calystegia purpurata subsp. saxicola John Thomas Howell 1930-6-8 5290 Sonoma 8.5 miles n. of Bodega Bay Comment
  CAS-BOT-BC225280  Gilia capitata subsp. chamissonis John Thomas Howell 1930-6-8 5272 Sonoma North end of Bodega Bay Comment
  CAS-BOT-BC226167  Gilia capitata subsp. tomentosa John Thomas Howell 1930-6-8 5265 Sonoma 1 mile east of Bodega Bay Comment
  CAS-BOT-BC226543  Leptosiphon acicularis John Thomas Howell 1948-4-18 24210 Sonoma Hills east of Agua Caliente Comment
  CAS-BOT-BC226544  Leptosiphon acicularis John Thomas Howell; Catherine Best; Wilma Follette; Mary Wells 1982-4-28 54664 Sonoma Bouverie Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC226546  Leptosiphon acicularis John Thomas Howell 1933-4-2 10932 Sonoma Sonoma Creek Canyon Comment
  CAS-BOT-BC226696  Leptosiphon jepsonii John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53956 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC22783  Agoseris heterophylla John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53989 Sonoma Fairfield Osborn Preserve of the nature Conservancy, 4.5 miles NW of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC23287  Arctostaphylos glandulosa subsp. cushingiana John Thomas Howell 1933-4-2 10941 Sonoma Rincon Ridge near Santa Rosa Comment
  CAS-BOT-BC23288  Arctostaphylos glandulosa subsp. cushingiana John Thomas Howell 1933-4-2 10941 Sonoma Rincon Ridge near Santa Rosa Comment
  CAS-BOT-BC23290  Arctostaphylos glandulosa subsp. cushingiana John Thomas Howell 1933-4-1 10928 Sonoma Slopes of Triniti Mt., 2 miles NE of Glen Ellen Comment
  CAS-BOT-BC23602  Arctostaphylos columbiana John Thomas Howell 1934-3-3 11745 Sonoma Between Fort Ross and Stewart's Point Comment
  CAS-BOT-BC23604  Arctostaphylos columbiana John Thomas Howell 1934-3-3 11743 Sonoma Between Fort Ross and Stewart's Point Comment
  CAS-BOT-BC23605  Arctostaphylos columbiana John Thomas Howell 1934-3-3 11744 Sonoma Between Fort Ross and Stewart's Point Comment
  CAS-BOT-BC23606  Arctostaphylos columbiana John Thomas Howell 1934-3-3 11746 Sonoma Between Fort Ross and Stewart's Point Comment
  CAS-BOT-BC237395  Polypogon monspeliensis John Thomas Howell; Walter & Irja Knight 1988-5-21 6225 Sonoma Todd Road Preserve 24 Comment
  CAS-BOT-BC23851  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1931-3-14 5761 Sonoma Rincon Ridge, near Santa Rosa Comment
  CAS-BOT-BC23885  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1937-4-11 12894 Sonoma Rincon Ridge NE of Santa Rosa Comment
  CAS-BOT-BC23886  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1937-4-11 12896 Sonoma Rincon Ridge NE of Santa Rosa Comment
  CAS-BOT-BC23887  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1937-7-4 13079 Sonoma Rincon Ridge NE of Santa Rosa Comment
  CAS-BOT-BC23888  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1933-4-2 10942 Sonoma Rincon Ridge near Santa Rosa Comment
  CAS-BOT-BC23889  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1933-4-2 10943 Sonoma Rincon Ridge near Santa Rosa Comment
  CAS-BOT-BC23890  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1937-4-11 12895 Sonoma Rincon Ridge ne of Santa Rosa Comment
  CAS-BOT-BC23896  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1931-3-14 5760 Sonoma Rincon Ridge, near Santa Rosa Comment
  CAS-BOT-BC23897  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1933-4-2 10944 Sonoma Rincon Ridge, near Santa Rosa Comment
  CAS-BOT-BC23898  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1933-4-2 10945 Sonoma Rincon Ridge, near Santa Rosa Comment
  CAS-BOT-BC23899  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1931-3-14 5759 Sonoma Rincon Ridge, near Santa Rosa Comment
  CAS-BOT-BC23900  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1937-4-11 12894 Sonoma Rincon Ridge, northeast of Santa Rosa Comment
  CAS-BOT-BC23926  Arctostaphylos canescens subsp. canescens John Thomas Howell 1934-3-3 11748 Sonoma Between Fort Ross and Stwearts Point Comment
  CAS-BOT-BC23975  Arctostaphylos canescens subsp. canescens John Thomas Howell 1934-3-3 11747 Sonoma Between Fort Ross and Stwearts Point Comment
  CAS-BOT-BC240035  Scribneria bolanderi John Thomas Howell 1948-4-18 24209 Sonoma Hills east of Agua Caliente Comment
  CAS-BOT-BC240036  Scribneria bolanderi John Thomas Howell 1965-3-25 41034 Sonoma 3 miles se. of Sonoma 76 Comment
  CAS-BOT-BC240155  Setaria pumila John Thomas Howell 1957-9-26 32976 Sonoma Sandy Russian River bottom near Guerneville Comment
  CAS-BOT-BC240273  Setaria viridis John Thomas Howell; Walter Knight; Irja Knight 1987-5-21 6237 Sonoma Todd Road Preserve 24 Comment
  CAS-BOT-BC24087  Arctostaphylos bakeri John Thomas Howell 1933-4-2 10954 Sonoma 2 miles east of Occidental Comment
  CAS-BOT-BC24088  Arctostaphylos bakeri John Thomas Howell 1933-4-2 10953 Sonoma 2 miles east of Occidental Comment
  CAS-BOT-BC24089  Arctostaphylos bakeri John Thomas Howell 1934-2-22 11732 Sonoma 2 miles east of Occidental Comment
  CAS-BOT-BC24090  Arctostaphylos bakeri John Thomas Howell 1933-4-2 10957 Sonoma 2 miles east of Occidental Comment
  CAS-BOT-BC24091  Arctostaphylos bakeri John Thomas Howell 1936-7-26 12663 Sonoma 2.5 miles from Camp Meeker on road to Monte Rio Comment
  CAS-BOT-BC243246  Poa secunda subsp. secunda John Thomas Howell; et al. 1981-5-14 53950 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles NE of Penngrove on the W slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC243247  Poa secunda subsp. secunda John Thomas Howell; et al. 1981-5-14 54024 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles NE of Penngrove on the W slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC243248  Poa secunda subsp. secunda John Thomas Howell; et al. 1982-4-28 54668 Sonoma Bouverie Audubon Preserve, about 1.5 miles E of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC243856  Castilleja latifolia John Thomas Howell 1934-3-3 11735 Sonoma Bodega Bay Comment
  CAS-BOT-BC243857  Castilleja latifolia John Thomas Howell 1934-3-3 11740 Sonoma Near Fort Ross Comment
  CAS-BOT-BC243858  Castilleja latifolia John Thomas Howell 1930-7-27 5412 Sonoma 4 miles north of Bodega Bay Comment
  CAS-BOT-BC243859  Castilleja latifolia John Thomas Howell 1930-7-27 5401 Sonoma 1 mile north of Fort Ross Comment
  CAS-BOT-BC243860  Castilleja latifolia John Thomas Howell 1930-6-8 5281 Sonoma 8.5 miles N of Bodega Bay Comment
  CAS-BOT-BC244202  Poa trivialis John Thomas Howell 1951-5-28 27495 Sonoma Laguna E of Sebastopol Comment
  CAS-BOT-BC24723  Arctostaphylos glandulosa subsp. glandulosa John Thomas Howell 1933-4-2 10947 Sonoma 8 mi. w. of Santa Rosa. Comment
  CAS-BOT-BC24725  Arctostaphylos glandulosa subsp. glandulosa John Thomas Howell 1931-3-14 5763 Sonoma Raven Ridge near Santa Rosa. Comment
  CAS-BOT-BC248904  Antirrhinum virga John Thomas Howell 1932-10-9 10813 Sonoma Sonoma Creek Canyon near Kenwood Springs Comment
  CAS-BOT-BC24986  Arctostaphylos densiflora John Thomas Howell 1931-3-14 5770 Sonoma Vine Hill District, 10 mi. W of Santa Rosa. Comment
  CAS-BOT-BC24987  Arctostaphylos densiflora John Thomas Howell 1931-3-14 5769 Sonoma Vine Hill District, 10 mi. W of Santa Rosa. Comment
  CAS-BOT-BC24988  Arctostaphylos densiflora John Thomas Howell 1931-3-14 5767 Sonoma Vine Hill District, 10 mi. W of Santa Rosa. Comment
  CAS-BOT-BC24989  Arctostaphylos densiflora John Thomas Howell 1931-3-14 5768 Sonoma Vine Hill District, 10 mi. W of Santa Rosa. Comment
  CAS-BOT-BC24994  Arctostaphylos densiflora John Thomas Howell 1945-5-30 20910 Sonoma Vine Hill School Comment
  CAS-BOT-BC24995  Arctostaphylos densiflora John Thomas Howell 1931-3-14 5773 Sonoma Vine Hill District, 10 mi. W of Santa Rosa. Comment
  CAS-BOT-BC25022  Arctostaphylos densiflora John Thomas Howell 1929-8-12 3488 a Sonoma Road NE of Occidental. Comment
  CAS-BOT-BC25023  Arctostaphylos densiflora John Thomas Howell 1931-3-14 5778 Sonoma Vine Hill District, 10 miles W of Santa Rosa. Comment
  CAS-BOT-BC25024  Arctostaphylos densiflora John Thomas Howell 1933-4-2 10948 Sonoma 8 miles W of Santa Rosa. Comment
  CAS-BOT-BC25025  Arctostaphylos densiflora John Thomas Howell 1963-11-21 421 Sonoma Vine Hill Rd. ca. 5 mi N past Pitkin Ranch. Comment
  CAS-BOT-BC250745  Phalaris paradoxa John Thomas Howell; Walter Knight; Irja Knight 1987-6-4 6243 Sonoma Todd Road Preserve 24 Comment
  CAS-BOT-BC25319  Arctostaphylos bakeri John Thomas Howell 1933-4-2 10958 Sonoma Serpentine ridge, 2 miles E of Occidental Comment
  CAS-BOT-BC25320  Arctostaphylos bakeri John Thomas Howell 1933-4-2 10956 Sonoma Serpentine ridge, 2 miles E of Occidental Comment
  CAS-BOT-BC254553  Poa douglasii John Thomas Howell 1931-4-18 6424 Sonoma Mouth of Salmon Creek, 2 miles N of Bay Comment
  CAS-BOT-BC255600  Poa annua John Thomas Howell 1951-5-28 27496 Sonoma Laguna E of Sebastopol Comment
  CAS-BOT-BC255608  Poa annua John Thomas Howell; et al. 1981-5-14 53940 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles NE of Penngrove on the W slope of Sonoma Mountain Comment
  CAS-BOT-BC259256  Eriogonum latifolium John Thomas Howell 1930-7-27 5413 Sonoma 4 miles north of Bodega Bay Comment
  CAS-BOT-BC259257  Eriogonum latifolium John Thomas Howell 1930-7-27 5414 Sonoma 4 miles north of Bodega Bay Comment
  CAS-BOT-BC259258  Eriogonum latifolium John Thomas Howell 1930-7-27 5415 Sonoma 4 miles north of Bodega Bay Comment
  CAS-BOT-BC259259  Eriogonum latifolium John Thomas Howell 1930-6-8 5288 Sonoma 8.5 miles n. of Bodega Bay Comment
  CAS-BOT-BC259260  Eriogonum latifolium John Thomas Howell 1930-6-8 5257 Sonoma 1 mile east of Bodega Bay Comment
  CAS-BOT-BC259264  Eriogonum latifolium John Thomas Howell 1930-7-27 5402 Sonoma 1 mile north of Fort Ross Comment
  CAS-BOT-BC259483  Eriogonum luteolum John Thomas Howell 1929-6-30 4320 Sonoma 4 miles from Petrified Forest on road to Knights Valley Comment
  CAS-BOT-BC259484  Eriogonum luteolum John Thomas Howell 1931-9-26 8091 Sonoma 2 miles from Monte Rio on road to Camp Meeker Comment
  CAS-BOT-BC260071  Nassella lepida John Thomas Howell; et al. 1981-5-14 53946 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles NE of Penngrove on the W slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC260277  Nassella pulchra John Thomas Howell; Walter & Irja Knight 1987-5-21 6239 Sonoma Corner of Todd and Llamo roads, Todd Road Preserve 24 Comment
  CAS-BOT-BC260280  Nassella pulchra John Thomas Howell; et al. 1981-5-14 53945 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles NE of Penngrove on the W slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC260879  Phleum pratense John Thomas Howell 1945-8-14 21397 Sonoma Perry Marsh Comment
  CAS-BOT-BC260929  Pleuropogon californicus John Thomas Howell; Walter Knight; Irja Knight 1987-5-27 6248 Sonoma Todd Road Preserve 24 Comment
  CAS-BOT-BC260932  Pleuropogon californicus var. californicus John Thomas Howell 1944-5-14 19484 Sonoma Between Petaluma and Chileno Valley Comment
  CAS-BOT-BC260988  Pleuropogon californicus var. californicus John Thomas Howell 1947-6-26 23316 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC260989  Pleuropogon californicus var. californicus John Thomas Howell 1946-3-31 21593 Sonoma SW of Sonoma Comment
  CAS-BOT-BC26246  Carex sonomensis John Thomas Howell; J. W. Stacey 1937-6-6 13042 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC26247  Carex sonomensis John Thomas Howell; J. W. Stacey 1937-6-6 13042 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC262550  Melica torreyana John Thomas Howell; Catherine Best; Gordon H. True 1982-5-6 54695 Sonoma Bouverie Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC269514  Melica californica John Thomas Howell; Catherine Best; Wilma Follette; Mary Wells 1982-4-28 54659 Sonoma Bouverie Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC269515  Melica californica John Thomas Howell 1934-3-26 11791 Sonoma 12 miles from Calistoga on Alexander Valley road Comment
  CAS-BOT-BC269710  Symphoricarpos mollis John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54012 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC271543  Centromadia parryi subsp. parryi John Thomas Howell 1930-10-5 5530 Sonoma Dry field 5.8 miles SW of Sonoma on Black Point cutoff Comment
  CAS-BOT-BC271544  Centromadia parryi subsp. parryi John Thomas Howell 1930-10-5 5530 Sonoma Dry field 5.8 miles SW of Sonoma on Black Point cutoff Comment
  CAS-BOT-BC271545  Centromadia parryi subsp. parryi John Thomas Howell 1930-10-5 5530 Sonoma Dry field 5.8 miles SW of Sonoma on Black Point cutoff Comment
  CAS-BOT-BC27176  Arctostaphylos bakeri John Thomas Howell 1933-4-2 10955 Sonoma 2 miles E of Occidental Comment
  CAS-BOT-BC27177  Arctostaphylos bakeri John Thomas Howell 1933-4-2 10957 Sonoma 2 miles E of Occidental Comment
  CAS-BOT-BC272127  Leymus triticoides John Thomas Howell 1930-6-8 5227 Sonoma Bodega Road 4 iles east of Valley Ford Comment
  CAS-BOT-BC272756  Calycadenia truncata subsp. truncata John Thomas Howell 1932-10-9 10812 Sonoma Sonoma Creek Canyon near Kenwood Springs Comment
  CAS-BOT-BC272757  Calycadenia truncata subsp. truncata John Thomas Howell 1926-10-3 2212 Sonoma Two miles from Petrified Forest on road to Calistoga Comment
  CAS-BOT-BC273248  Calendula arvensis John Thomas Howell 1946-3-31 21591 Sonoma Just east of Sonoma Comment
  CAS-BOT-BC273249  Calendula arvensis John Thomas Howell 1946-3-31 21591 Sonoma Just east of Sonoma Comment
  CAS-BOT-BC278415  Festuca idahoensis John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53981 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC279079  Festuca rubra John Thomas Howell 1944-5-14 19485 Sonoma Between Petaluma and Chileno Valley Comment
  CAS-BOT-BC279080  Festuca rubra John Thomas Howell; Walter Knight; Irja Knight 1987-5-20 6241 Sonoma Todd Road Preserve 24 Comment
  CAS-BOT-BC280531  Cirsium quercetorum John Thomas Howell 1930-6-8 5247 Sonoma 1 mile east of Bodega Bay Comment
  CAS-BOT-BC280532  Cirsium quercetorum John Thomas Howell 1938-7-3 13953 Sonoma Stony Point Comment
  CAS-BOT-BC280539  Cirsium quercetorum John Thomas Howell 1938-7-3 13953 Sonoma Stony Point Comment
  CAS-BOT-BC280540  Cirsium quercetorum John Thomas Howell 1938-7-3 13953 Sonoma Stony Point Comment
  CAS-BOT-BC280541  Cirsium quercetorum John Thomas Howell 1938-7-3 13953 Sonoma Stony Point Comment
  CAS-BOT-BC280665  Anthoxanthum occidentale John Thomas Howell 1930-7-27 5396 Sonoma 1 mile north of Ft. Ross Comment
  CAS-BOT-BC280785  Holcus lanatus John Thomas Howell; Walter Knight; Irja Knight 1987-6-4 6230 Sonoma Todd Road Preserve 24 Comment
  CAS-BOT-BC281283  Melica geyeri John Thomas Howell; et al. 1982-4-28 54674 Sonoma Bouverie Audubon Preserve, about 1.5 miles E of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC281284  Melica geyeri John Thomas Howell; et al. 1981-5-14 53988 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles NE of Penngrove on the W slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC281390  Melica harfordii John Thomas Howell; Catherine Best; Gordon H. True 1982-5-6 54694 Sonoma Bouverie Audubon Preserve, about 1.5 miles E of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC282818  Glyceria leptostachya John Thomas Howell 1947-6-5 23230 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC282819  Glyceria leptostachya John Thomas Howell 1945-8-14 21390 A Sonoma Perry Marsh Comment
  CAS-BOT-BC282871  Hainardia cylindrica John Thomas Howell 1930-6-8 5219 Sonoma 8 miles w. of Petaluma on Bodega Road Comment
  CAS-BOT-BC28326  Carex gracilior John Thomas Howell 1947-6-5 23241 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC28327  Carex gracilior John Thomas Howell; Catherine Best; Wilma Follette; Gordon H. True; Mary P. Wells 1981-5-14 53970 Sonoma fairfield Osborn Preserve of the Nature Conservancy, 4.5 mi NE of Penngrove 457 Comment
  CAS-BOT-BC28328  Carex gracilior John Thomas Howell; Catherine Best; Wilma Follette; Gordon H. True; Mary P. Wells 1981-5-14 54018 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 mi NE of Penngrove 457 Comment
  CAS-BOT-BC283282  Lolium multiflorum John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh Comment
  CAS-BOT-BC283283  Lolium multiflorum John Thomas Howell; et al. 1981-5-14 53951 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles NE of Penngrove on the W slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC28373  Carex gracilior John Thomas Howell 1938-7-3 13966 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC28374  Carex gracilior John Thomas Howell 1930-6-8 5241 Sonoma Bodega Road, 3 mi I of Valley Ford. Comment
  CAS-BOT-BC28375  Carex gracilior John Thomas Howell 1947-6-5 23238 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC284426  Cirsium brevistylum John Thomas Howell 1930-7-27 5400 Sonoma 1 mile north of Fort Ross Comment
  CAS-BOT-BC284428  Cirsium brevistylum John Thomas Howell 1930-6-8 5277 Sonoma 8 miles n. of Bodega Bay Comment
  CAS-BOT-BC285183  Hordeum marinum subsp. gussoneanum John Thomas Howell; Walter Knight; Irja Knight 1988-5-21 6226 Sonoma Todd Road Preserve 24 Comment
  CAS-BOT-BC285705  Cirsium occidentale var. occidentale John Thomas Howell 1930-6-8 5251 Sonoma 1 mile east of Bodega Bay Comment
  CAS-BOT-BC285749  Cirsium remotifolium John Thomas Howell 1936-7-26 12664 Sonoma 2 1/2 miles from Camp Meeker on road to Monte Rio Comment
  CAS-BOT-BC285752  Cirsium remotifolium John Thomas Howell 1937-7-4 13070 Sonoma Near Petrified Forest Comment
  CAS-BOT-BC285753  Cirsium remotifolium John Thomas Howell 1937-7-4 13070 Sonoma Near Petrified Forest Comment
  CAS-BOT-BC285898  Cirsium vulgare John Thomas Howell 1930-6-8 5286 Sonoma 8.5 miles n. of Bodega Bay Comment
  CAS-BOT-BC29162  Achyrachaena mollis J. T. Howell; Catherine Best; Wilma Follette; Gordon H. True; Mary P. Wells 1981-5-14 53994 Sonoma Fairfield Osborn Preserve of The Nature Conservancy, 4.5 miles NE of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC29163  Achyrachaena mollis J. T. Howell 1931-4-2 6045 Sonoma Boyes Springs Comment
  CAS-BOT-BC293631  Erigeron biolettii John Thomas Howell 1932-10-9 10811 Sonoma Sonoma Creek Canyon near Kenwood Springs Comment
  CAS-BOT-BC295131  Erigeron greenei John Thomas Howell 1936-7-26 12669 Sonoma Between Occidental and Graton Comment
  CAS-BOT-BC29573  Agoseris apargioides var. eastwoodiae John Thomas Howell 1930-6-8 5268 Sonoma North end of Bodega Bay Comment
  CAS-BOT-BC30091  Achillea millefolium John Thomas Howell 1955-8-6 30896 Sonoma Dunes at Bodega Head Comment
  CAS-BOT-BC30092  Achillea millefolium John Thomas Howell 1930-6-8 5270 Sonoma North end of Bodega Bay Comment
  CAS-BOT-BC301292  Eriophyllum lanatum var. arachnoideum John Thomas Howell 1930-6-8 5292 Sonoma 8.5 miles n. of Bodega Bay Comment
  CAS-BOT-BC301294  Eriophyllum lanatum var. arachnoideum John Thomas Howell 1930-7-27 5399 Sonoma 1 mile north of Fort Ross Comment
  CAS-BOT-BC302016  Eriophyllum staechadifolium John Thomas Howell 1930-6-8 5280 Sonoma 8.5 miles n. of Bodega Bay Comment
  CAS-BOT-BC302686  Gnaphalium palustre John Thomas Howell 1936-7-26 12668 Sonoma Between Occidental and Graton Comment
  CAS-BOT-BC303752  Glebionis segetum John Thomas Howell 1930-6-8 5231 Sonoma Bodega Rd 4 miles E of Valley Ford Comment
  CAS-BOT-BC30449  Achillea millefolium John Thomas Howell 1938-7-3 13958 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC305167  Grindelia hirsutula John Thomas Howell 1932-10-9 10816 Sonoma 6 miles from Sonoma on road to Napa Comment
  CAS-BOT-BC305176  Grindelia hirsutula John Thomas Howell 1930-6-8 5223 Sonoma 8 miles w. of Petaluma on Bodega Road Comment
  CAS-BOT-BC305177  Grindelia hirsutula John Thomas Howell 1930-6-8 5222 Sonoma 8 miles w. of Petaluma on Bodega Road Comment
  CAS-BOT-BC305178  Grindelia hirsutula John Thomas Howell 1930-6-8 5294 Sonoma 4 miles n. of Bodega Bay Comment
  CAS-BOT-BC305179  Grindelia hirsutula John Thomas Howell 1938-7-3 13946 Sonoma Stony Point Comment
  CAS-BOT-BC305180  Grindelia hirsutula J. T. Howell 1930-6-8 5223 Sonoma 8 mi. west of Petaluma Comment
  CAS-BOT-BC305181  Grindelia hirsutula J. T. Howell 1930-7-13 5338 Sonoma Black Point Road Comment
  CAS-BOT-BC305186  Grindelia hirsutula John Thomas Howell 1930-6-8 5256 Sonoma 1 mile east of Bodega Bay Comment
  CAS-BOT-BC305188  Grindelia hirsutula J. T. Howell 1930-7-13 5338 Sonoma Black Point road Comment
  CAS-BOT-BC305197  Grindelia hirsutula John Thomas Howell 1929-6-30 4318 Sonoma 4 miles from Petrified Forest on road to Knights Valley Comment
  CAS-BOT-BC306223  Hemizonia congesta subsp. congesta John Thomas Howell 1930-6-8 5216 Sonoma 8 miles w. of Petaluma on Bodega Road Comment
  CAS-BOT-BC306224  Hemizonia congesta subsp. congesta John Thomas Howell 1945-8-14 21408 Sonoma Perry Marsh Comment
  CAS-BOT-BC306225  Hemizonia congesta subsp. congesta John Thomas Howell 1930-6-8 5216 Sonoma 8 miles w. of Petaluma on Bodega Road Comment
  CAS-BOT-BC306226  Hemizonia congesta subsp. congesta John Thomas Howell; J. W. Stacey 1936-7-26 12672 Sonoma Pitkin Marsh, 5 miles n. of Sebastopol Comment
  CAS-BOT-BC306328  Hedypnois cretica John Thomas Howell 1931-4-18 6423 Sonoma At mouth of Salmon Creek, 2 miles n. of Bay Comment
  CAS-BOT-BC306767  Helenium bigelovii John Thomas Howell; J. W. Stacey 1936-7-26 12684 Sonoma Pitkin Marsh, 5 miles n. of Sebastopol Comment
  CAS-BOT-BC306770  Helenium bigelovii John Thomas Howell 1947-6-26 23311 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC306771  Helenium bigelovii John Thomas Howell 1945-5-30 s.n. Sonoma Pitkin Marsh Comment
  CAS-BOT-BC306772  Helenium bigelovii John Thomas Howell 1937-6-6 13035 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC309716  Hemizonia congesta subsp. lutescens John Thomas Howell 1930-7-27 5411 Sonoma 4 miles north of Bodega Bay Comment
  CAS-BOT-BC309955  Hemizonia congesta subsp. luzulifolia John Thomas Howell 1929-10-26 4539 Sonoma 7 1/2 miles from Santa Rosa on road to Petrified Forest Comment
  CAS-BOT-BC310213  Hesperevax sparsiflora var. sparsiflora John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54004 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC311161  Heterotheca sessiliflora subsp. bolanderi John Thomas Howell 1930-7-13 5342 Sonoma Black Point Road Comment
  CAS-BOT-BC31171  Carex lemmonii John Thomas Howell 1957-6-13 32621 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC31172  Carex lemmonii John Thomas Howell 1957-6-13 32621 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC31173  Carex lemmonii John Thomas Howell 1945-5-30 20889 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC31174  Carex lemmonii John Thomas Howell; J. W. Stacey 1936-7-26 12681 Sonoma Pitkin Marsh. 5 mi N of Sebastopol. Comment
  CAS-BOT-BC314163  Monardella villosa subsp. villosa John Thomas Howell 1930-6-8 5283 Sonoma Rocky slope overlooking the ocean, 8.5 miles N of Bodega Bay. Comment
  CAS-BOT-BC314184  Monardella villosa subsp. villosa John Thomas Howell 1930-7-27 5407 Sonoma 1 mile N of Fort Ross Comment
  CAS-BOT-BC319702  Hieracium albiflorum John Thomas Howell; Catherine Best; Wilma Follette; Gordon H. True; Mary P. Wells 1981-5-14 54006 Sonoma Fairfield Osborn Preserve of the Nature Conservancy 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC322598  Micropus amphibolus John Thomas Howell 1965-3-25 41033 Sonoma 3 miles southeast of Sonoma 76 Comment
  CAS-BOT-BC322615  Micropus amphibolus John Thomas Howell 1948-4-18 24203 Sonoma Hills east of Agua Caliente Comment
  CAS-BOT-BC323252  Layia chrysanthemoides John Thomas Howell 1931-4-2 6048 Sonoma Boyes Springs Comment
  CAS-BOT-BC324187  Lessingia hololeuca John Thomas Howell 1936-7-26 12670 Sonoma Between Occidental and Graton Comment
  CAS-BOT-BC324193  Lessingia hololeuca John Thomas Howell 1931-9-26 8090 Sonoma 2 miles from Monte Rio on road to Camp Meeker Comment
  CAS-BOT-BC32523  Carex lemmonii John Thomas Howell; John William Stacey 1937-6-6 13042 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC32524  Carex lemmonii John Thomas Howell; John William Stacey 1937-6-6 13042 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC32577  Castilleja uliginosa John Thomas Howell 1937-6-6 13031 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC32656  Ceanothus sonomensis John Thomas Howell 1933-4-1 10930 Sonoma Slopes of Trinity Mt., 2 miles NE of Glen Ellen Comment
  CAS-BOT-BC32736  Ceanothus gloriosus var. exaltatus John Thomas Howell 1931-3-14 5781 Sonoma Vine Hill District, 10 miles W of Santa Rosa Comment
  CAS-BOT-BC32737  Ceanothus gloriosus var. exaltatus John Thomas Howell 1931-6-15 6694 Sonoma Vine Hill District, 9 miles W of Santa Rosa Comment
  CAS-BOT-BC32738  Ceanothus gloriosus var. exaltatus John Thomas Howell 1931-6-15 6694 Sonoma Vine Hill District, 9 miles W of Santa Rosa Comment
  CAS-BOT-BC32739  Ceanothus gloriosus var. exaltatus John Thomas Howell 1931-3-14 5781 Sonoma Vine Hill District, 10 miles W of Santa Rosa Comment
  CAS-BOT-BC32771  Ceanothus confusus John Thomas Howell 1937-7-4 13080 Sonoma Rincon Ridge, NE of Santa Rosa Comment
  CAS-BOT-BC32772  Ceanothus confusus John Thomas Howell 1937-4-11 12897 Sonoma Rincon Ridge, NE of Santa Rosa Comment
  CAS-BOT-BC32773  Ceanothus confusus John Thomas Howell 1937-7-4 13080 Sonoma Rincon Ridge, NE of Santa Rosa Comment
  CAS-BOT-BC32774  Ceanothus confusus John Thomas Howell 1937-4-11 12897 Sonoma Rincon Ridge NE of Santa Rosa Comment
  CAS-BOT-BC332799  Acer macrophyllum John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54011 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles NE of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC34024  Carex brevicaulis John Thomas Howell; J. W. Stacey 1937-6-6 13043 Sonoma Border Pitkin Marsh. Comment
  CAS-BOT-BC341707  Lagophylla ramosissima John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53963 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC342011  Lessingia ramulosa John Thomas Howell 1926-11-14 2250 Sonoma Hills south-east of Santa Rosa 83 Comment
  CAS-BOT-BC342498  Logfia gallica John Thomas Howell 1930-6-8 5236 Sonoma Bodega Road 3 miles east of Valley Ford Comment
  CAS-BOT-BC343451  Madia gracilis John Thomas Howell 1937-7-4 13065 Sonoma Near Petrified Forest Comment
  CAS-BOT-BC343452  Madia gracilis John Thomas Howell 1937-7-4 13065 Sonoma Near Petrified Forest Comment
  CAS-BOT-BC343453  Madia gracilis John Thomas Howell 1937-7-4 13066 Sonoma Near Petrified Forest Comment
  CAS-BOT-BC343454  Madia gracilis John Thomas Howell 1937-7-4 13066 Sonoma Near Petrified Forest Comment
  CAS-BOT-BC343455  Madia gracilis John Thomas Howell 1929-6-9 4300 Sonoma 2 miles n. of Sonoma Comment
  CAS-BOT-BC343456  Madia gracilis John Thomas Howell; Catherine Best; Gordon H. True 1982-5-6 54684 Sonoma Bouverie Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC343457  Madia gracilis John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53968 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC344050  Madia elegans John Thomas Howell 1930-7-13 5341 Sonoma Black Point Road Comment
  CAS-BOT-BC34425  Carex cusickii John Thomas Howell; J. W. Stacey 1936-7-26 12683 Sonoma Pitkin Marsh. 5 miles north of Sebastopol. Comment
  CAS-BOT-BC345204  Madia sativa John Thomas Howell 1930-6-8 5264 Sonoma 1 mile east of Bodega Bay Comment
  CAS-BOT-BC345206  Madia sativa John Thomas Howell 1930-6-8 5220 Sonoma 8 miles w. of Petaluma on Bodega Road Comment
  CAS-BOT-BC345214  Madia sativa John Thomas Howell 1932-9-17 10764 Sonoma 1 mile south of Kenwood Comment
  CAS-BOT-BC345215  Madia sativa John Thomas Howell 1932-9-17 10764 Sonoma Near Kenwood Comment
  CAS-BOT-BC346334  Lasthenia californica John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53978 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles ne of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC348630  Micropus californicus var. californicus John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54003 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC348631  Micropus californicus var. californicus John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53960 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC348730  Microseris bigelovii John Thomas Howell 1931-4-18 6417 Sonoma Mouth of Salmon Creek 2 miles n. of Bay Comment
  CAS-BOT-BC348855  Microseris douglasii subsp. douglasii John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53980 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC352789  Lasthenia glabrata subsp. glabrata John Thomas Howell 1933-4-1 10925 Sonoma Petaluma Comment
  CAS-BOT-BC352791  Lasthenia glabrata subsp. glabrata John Thomas Howell 1933-4-1 10925 Sonoma Petaluma Comment
  CAS-BOT-BC355519  Lasthenia glaberrima John Thomas Howell 1935-5-5 12604 Sonoma Near Kenwood Comment
  CAS-BOT-BC355520  Lasthenia glaberrima John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54020 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC361863  Psilocarphus oregonus John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53943 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC362078  Psilocarphus tenellus John Thomas Howell 1930-6-8 5243 Sonoma Bodega Road 3 miles east of Valley Ford Comment
  CAS-BOT-BC362079  Psilocarphus tenellus John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53942 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC365587  Solidago elongata John Thomas Howell 1946-8-17 22867 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC365588  Solidago elongata John Thomas Howell 1945-8-14 21401 Sonoma Perry Marsh Comment
  CAS-BOT-BC365657  Solidago spathulata John Thomas Howell 1945-8-14 21409 Sonoma Perry Marsh Comment
  CAS-BOT-BC365659  Solidago spathulata John Thomas Howell 1931-9-26 8095 Sonoma 7 miles north of Fort Ross Comment
  CAS-BOT-BC365962  Soliva sessilis John Thomas Howell 1931-4-18 6418 Sonoma Mouth of Salmon Creek, 2 miles n. of Bay Comment
  CAS-BOT-BC370852  Lasthenia minor John Thomas Howell 1931-4-18 6420 Sonoma mouth of Salmon Creek, 2 miles n. of Bay Comment
  CAS-BOT-BC370853  Lasthenia minor John Thomas Howell 1931-4-18 6420 Sonoma mouth of Salmon Creek, 2 miles n. of Bay Comment
  CAS-BOT-BC370854  Lasthenia minor John Thomas Howell 1931-4-18 6420 Sonoma mouth of Salmon Creek, 2 miles n. of Bay Comment
  CAS-BOT-BC379625  Layia platyglossa John Thomas Howell 1930-7-27 5405 Sonoma 1 mile north of Fort Ross Comment
  CAS-BOT-BC383804  Xanthium strumarium John Thomas Howell 1946-8-17 22853 Sonoma The Laguna north of Sebastopol Comment
  CAS-BOT-BC38651  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1933-4-2 10949 Sonoma 8 miles west of Santa Rosa Comment
  CAS-BOT-BC38652  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1931-3-14 5779 Sonoma Vine Hill District, 10 miles west of Santa Rosa Comment
  CAS-BOT-BC38653  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1931-3-14 5776 Sonoma Vine Hill District, 10 miles west of Santa Rosa Comment
  CAS-BOT-BC38654  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1931-3-14 5763 Sonoma Rincon Ridge Comment
  CAS-BOT-BC38655  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1937-4-11 12906 Sonoma M.S. Baker's place, sw. slope of Mt. Hood Comment
  CAS-BOT-BC38687  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1931-3-14 5762 Sonoma Rincon Ridge near Santa Rosa Comment
  CAS-BOT-BC38688  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1931-3-14 5774 Sonoma Vine Hill District, 10 miles west of Santa Rosa Comment
  CAS-BOT-BC38718  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1931-3-14 5775 Sonoma Vine Hill district, 10 miles west of Santa Rosa Comment
  CAS-BOT-BC38882  Arctostaphylos manzanita subsp. manzanita J. T. Howell 1931-3-14 5772 Sonoma Vine Hill District, 10 miles west of Santa Rosa. Comment
  CAS-BOT-BC39436  Caulanthus lasiophyllus John Thomas Howell 1930-6-8 5283 Sonoma 8.5 miles north of the Bodega Bay. Overlooking the ocean. Comment
  CAS-BOT-BC400608  Asarum caudatum John Thomas Howell 1924-3-22 290 Sonoma Camp Meeker Comment
  CAS-BOT-BC400958  Hypericum anagalloides John Thomas Howell 1946-8-17 22876 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC401570  Drosera rotundifolia John Thomas Howell 1945-5-30 20906 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC419431  Persicaria punctata John Thomas Howell 1946-8-17 22854 Sonoma The Laguna north of Sebastopol Comment
  CAS-BOT-BC419432  Persicaria punctata John Thomas Howell; J. W. Stacey 1936-7-26 12682 Sonoma Pitkin Marsh, 5 miles n. of Sebastopol Comment
  CAS-BOT-BC422697  Meconella californica John Thomas Howell 1931-4-18 6409 Sonoma Larkspur Rock, near Bodega Bay Comment
  CAS-BOT-BC424438  Heuchera pilosissima John Thomas Howell 1930-6-8 5260 Sonoma 1 mile E of Bodega Bay Comment
  CAS-BOT-BC428183  Dudleya cymosa subsp. cymosa John Thomas Howell 1932-10-9 10814 Sonoma Sonoma Creek Canyon near Kenwood Springs Comment
  CAS-BOT-BC436453  Calystegia subacaulis John Thomas Howell 1955-6-2 30259 Sonoma Near Vine Hill School Comment
  CAS-BOT-BC436538  Ligusticum apiifolium John Thomas Howell 1930-6-8 5252 Sonoma 1 mile east of Bodega Bay Comment
  CAS-BOT-BC436741  Luzula comosa var. comosa John Thomas Howell 1937-6-6 13033 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC43874  Arctostaphylos stanfordiana John Thomas Howell 1933-4-1 10929 Sonoma Triniti Mt., 2 miles ne. of Glen Ellen Comment
  CAS-BOT-BC43875  Arctostaphylos stanfordiana John Thomas Howell 1931-3-14 5771 Sonoma Vine Hill District, 10 miles west of Santa Rosa Comment
  CAS-BOT-BC43880  Arctostaphylos stanfordiana John Thomas Howell 1933-4-2 10951 Sonoma 8 miles west of Santa Rosa Comment
  CAS-BOT-BC43882  Arctostaphylos stanfordiana John Thomas Howell 1933-4-2 10950 Sonoma 8 miles west of Santa Rosa Comment
  CAS-BOT-BC441350  Luzula subsessilis John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh Comment
  CAS-BOT-BC444987  Montia fontana John Thomas Howell 1933-4-1 10926 Sonoma Petaluma Comment
  CAS-BOT-BC444989  Montia fontana John Thomas Howell 1949-4-6 25301 Sonoma SW. of Sonoma Comment
  CAS-BOT-BC445459  Alisma triviale John Thomas Howell 1947-6-26 23310 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC445781  Sagittaria latifolia John Thomas Howell 1945-7-18 21316 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC447596  Tiarella trifoliata subsp. unifoliata John Thomas Howell 1930-7-27 5394 Sonoma Deep shade of redwood forest, 1 mile north of Fort Ross Comment
  CAS-BOT-BC451698  Lilaea scilloides John Thomas Howell 1930-6-8 5238 Sonoma Bodega Road 3 miles east of Valley Ford Comment
  CAS-BOT-BC45951  Limnanthes vinculans John Thomas Howell 1947-6-5 23233 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC47341  Arctostaphylos stanfordiana John Thomas Howell 1931-3-14 5777 Sonoma Vine Hill District, 10 mi. w. of Santa Rosa. Comment
  CAS-BOT-BC47342  Arctostaphylos stanfordiana John Thomas Howell 1931-3-14 5765 Sonoma Rincon Ridge near Santa Rosa. Comment
  CAS-BOT-BC47343  Arctostaphylos stanfordiana John Thomas Howell 1931-3-14 5764 Sonoma Rincon Ridge near Santa Rosa. Comment
  CAS-BOT-BC47465  Arctostaphylos viscida subsp. viscida John Thomas Howell 1933-4-2 10939 Sonoma Sonoma Creek Canyon Comment
  CAS-BOT-BC47798  Ceanothus John Thomas Howell 1935-5-5 12613 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC47799  Ceanothus John Thomas Howell 1937-4-11 12903 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC47800  Ceanothus John Thomas Howell 1937-4-11 12899 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC47801  Ceanothus John Thomas Howell 1937-4-11 12900 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC47802  Ceanothus John Thomas Howell 1935-5-5 12618 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC47803  Ceanothus John Thomas Howell 1935-5-5 12619 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC48513  Ceanothus confusus John Thomas Howell 1933-4-2 10946 Sonoma Rincon Ridge near Santa Rosa Comment
  CAS-BOT-BC48519  Ceanothus confusus John Thomas Howell 1933-4-2 10937 Sonoma Mt. Hood, Sonoma Creek Canyon Comment
  CAS-BOT-BC49151  Ceanothus cuneatus John Thomas Howell 1931-3-14 5766 Sonoma River Ridge near Santa Rosa Comment
  CAS-BOT-BC49152  Ceanothus cuneatus John Thomas Howell 1934-3-26 11794 Sonoma Knight's Valley Comment
  CAS-BOT-BC49153  Ceanothus cuneatus John Thomas Howell 1937-7-4 13068 Sonoma Near Petrified Forest Comment
  CAS-BOT-BC49945  Ceanothus gloriosus var. exaltatus John Thomas Howell 1935-5-5 12623 Sonoma Kenwood Comment
  CAS-BOT-BC49946  Ceanothus gloriosus var. exaltatus John Thomas Howell 1935-5-5 12624 Sonoma Kenwood Comment
  CAS-BOT-BC49947  Ceanothus gloriosus var. exaltatus John Thomas Howell 1931-6-15 6693 Sonoma Arroyos, Vine Hill district, 9 miles west of Santa Rosa Comment
  CAS-BOT-BC49975  Ceanothus gloriosus var. gloriosus John Thomas Howell 1934-3-3 11742 Sonoma 8 miles S. of Stewart's Point Comment
  CAS-BOT-BC49976  Ceanothus gloriosus var. gloriosus John Thomas Howell 1934-3-3 11742 Sonoma 8 miles S. of Stewart's Point Comment
  CAS-BOT-BC49993  Ceanothus gloriosus John Thomas Howell 1937-4-11 12902 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC49994  Ceanothus gloriosus John Thomas Howell 1937-4-11 12899 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC49995  Ceanothus gloriosus John Thomas Howell 1937-4-11 12898 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50000  Ceanothus gloriosus John Thomas Howell 1935-5-5 12618 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50001  Ceanothus gloriosus John Thomas Howell 1935-5-5 12617 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50002  Ceanothus gloriosus John Thomas Howell 1935-5-5 12616 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50003  Ceanothus gloriosus John Thomas Howell 1935-5-5 12615 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50004  Ceanothus gloriosus John Thomas Howell 1935-5-5 12614 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50005  Ceanothus gloriosus John Thomas Howell 1935-5-5 12613 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50006  Ceanothus gloriosus John Thomas Howell 1935-5-5 12621 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50007  Ceanothus gloriosus John Thomas Howell 1935-5-5 12620 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50008  Ceanothus gloriosus John Thomas Howell 1935-5-5 12619 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50009  Ceanothus gloriosus John Thomas Howell 1937-4-11 12908 Sonoma MS. Baker place, SW. slope of Mt. Hood Comment
  CAS-BOT-BC50013  Ceanothus gloriosus John Thomas Howell 1937-4-11 12907 Sonoma M.S. Baker place, SW slope of Mt. Hood Comment
  CAS-BOT-BC50014  Ceanothus gloriosus John Thomas Howell 1937-4-11 12904 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50015  Ceanothus gloriosus John Thomas Howell 1937-4-11 12903 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50016  Ceanothus gloriosus John Thomas Howell 1937-4-11 12901 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50017  Ceanothus gloriosus John Thomas Howell 1937-4-11 12900 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50642  Ceanothus jepsonii John Thomas Howell 1933-4-2 10959 Sonoma 2 miles e. of Occidental Comment
  CAS-BOT-BC51876  Ceanothus parryi John Thomas Howell; Catherine Best; Gordon H. True 1982-5-6 54689 Sonoma Bouverie Audobon Preserve, about 1.5 miles East of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC51878  Ceanothus parryi John Thomas Howell 1941-4-5 16172 Sonoma Rincon Ridge Comment
  CAS-BOT-BC51879  Ceanothus parryi John Thomas Howell 1941-4-5 16174 Sonoma Rincon Ridge Comment
  CAS-BOT-BC53002  Ceanothus sonomensis John Thomas Howell 1937-4-11 12905 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC53003  Ceanothus sonomensis John Thomas Howell 1935-5-5 12609 Sonoma Slopes of Triniti Mt., 2 miles e. of Glen Ellen Comment
  CAS-BOT-BC53035  Ceanothus sonomensis John Thomas Howell 1933-4-1 10930 Sonoma Slopes of Triniti Mt., 2 miles ne. of Glen Ellen Comment
  CAS-BOT-BC53036  Ceanothus sonomensis John Thomas Howell 1935-5-5 12609 Sonoma Slopes of Triniti Mt., 2 miles ne. of Glen Ellen Comment
  CAS-BOT-BC53037  Ceanothus sonomensis John Thomas Howell 1935-5-5 12609 Sonoma West slope of Hood Peak Range near summit of Triniti P.O. Road Comment
  CAS-BOT-BC53275  Frangula californica subsp. californica John Thomas Howell 1938-7-3 13955 Sonoma 3 miles N. of Sebastopol Comment
  CAS-BOT-BC56911  Arctostaphylos John Thomas Howell 1934-3-3 11747 Sonoma Between Fort Ross and Stewart's Point Comment
  CAS-BOT-BC56912  Arctostaphylos John Thomas Howell 1934-3-3 11748 Sonoma Between Fort Ross and Stewart's Point Comment
  CAS-BOT-BC57130  Equisetum X ferrissii John Thomas Howell 1951-5-28 27502 Sonoma Eastern branch of the Pitkin Marsh Comment
  CAS-BOT-BC57738  Isoetes howellii John Thomas Howell 1937-6-6 13015 Sonoma Sebastopol Comment
  CAS-BOT-BC6187  Rhynchospora californica John Thomas Howell 1936-7-26 12679 Sonoma Pitkin Marsh, 5 miles N of Sebastopol Comment
  CAS-BOT-BC61916  Isoetes nuttallii John Thomas Howell 1937-6-6 13028 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC61917  Isoetes nuttallii John Thomas Howell 1935-5-5 12603 Sonoma near Kenwood Comment
  CAS-BOT-BC61918  Isoetes nuttallii John Thomas Howell 1947-6-26 23301 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC61919  Isoetes nuttallii John Thomas Howell 1937-6-6 13029 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC63942  Sedum spathulifolium John Thomas Howell 1930-6-8 5262 Sonoma 1 mile east of Bodega Bay Comment
  CAS-BOT-BC64417  Ceanothus foliosus subsp. vineatus John Thomas Howell 1931-3-14 5780 Sonoma Vine Hill District, 19 mi. w. of Santa Rosa. Comment
  CAS-BOT-BC64418  Ceanothus foliosus subsp. vineatus John Thomas Howell 1945-5-30 20912 Sonoma Vine Hill School. Topotype. Comment
  CAS-BOT-BC64419  Ceanothus foliosus subsp. vineatus John Thomas Howell 1941-4-5 16173 Sonoma Raven Ridge. Comment
  CAS-BOT-BC65836  Aspidotis californica John Thomas Howell 1943-4-18 17923 Sonoma Hills east of Agua Caliente Comment
  CAS-BOT-BC66803  Thysanocarpus curvipes John Thomas Howell 1929-6-9 4299 Sonoma 2 miles north of Sonoma. Comment
  CAS-BOT-BC66806  Thysanocarpus curvipes John Thomas Howell 1933-4-2 10933 Sonoma Sonoma Creek Canyon. Comment
  CAS-BOT-BC66807  Thysanocarpus curvipes John Thomas Howell 1933-4-2 10934 Sonoma Sonoma Creek Canyon. Comment
  CAS-BOT-BC66808  Thysanocarpus curvipes John Thomas Howell 1933-4-2 10935 Sonoma Sonoma Creek Canyon. Comment
  CAS-BOT-BC66809  Thysanocarpus curvipes John Thomas Howell 1933-4-2 10936 Sonoma Sonoma Creek Canyon. Comment
  CAS-BOT-BC67336  Thysanocarpus radians John Thomas Howell 1931-4-2 6041 Sonoma Boyes Springs. Comment
  CAS-BOT-BC71734  Pentagramma triangularis subsp. triangularis John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54017 A Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove 457 Comment
  CAS-BOT-BC72112  Polypodium scouleri John Thomas Howell 1930-7-27 5393 Sonoma 1 mile north of Fort Ross Comment
  CAS-BOT-BC74106  Turritis glabra John Thomas Howell 1930-6-8 5291 Sonoma 8.5 miles north of Bodega Bay. Comment
  CAS-BOT-BC74721  Rorippa curvisiliqua John Thomas Howell 1947-6-26 23303 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC74907  Sinapis arvensis John Thomas Howell 1934-3-25 11784 Sonoma M.S. Baker place, mouth of Sonoma Creek Canyon. Comment
  CAS-BOT-BC75373  Sisymbrium officinale John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53983 Sonoma Fairfield Osborn Preserve of the Nature Conservancy. 457 Comment
  CAS-BOT-BC75670  Berberis nervosa John Thomas Howell 1924-3-22 291 Sonoma Camp Meeker. Comment
  CAS-BOT-BC76528  Philadelphus lewisii John Thomas Howell; Catherine Best; Gordon H. True 1982-5-6 54686 Sonoma Bouverie Audobon Perserve, about 1.5 miles east of Glen Ellen near Stuart Creek. 137 Comment
  CAS-BOT-BC7771  Delphinium variegatum John Thomas Howell; Catherine Best; Wilma Follette; Mary Wells 1982-4-28 54669 Sonoma Bouverie Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC7772  Delphinium variegatum John Thomas Howell; Catherine Best; Wilma Follette; Mary Wells; Gordon H. True 1981-5-14 s.n. Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mtn. 457 Comment
  CAS-BOT-BC78078  Abies grandis John Thomas Howell 1930-7-27 5398 Sonoma canyon 1 mile north of Fort Ross Comment
  CAS-BOT-BC79571  Quercus dumosa John Thomas Howell 1926-10-3 2214 Sonoma Petrified Forest Comment
  CAS-BOT-BC79572  Quercus dumosa John Thomas Howell 1946-3-31 21592 Sonoma Hills coast fo Sonoma Comment
  CAS-BOT-BC80321  Sequoia sempervirens John Thomas Howell 1924-3-22 285 Sonoma Near Camp Meeker Comment
  CAS-BOT-BC85460  Cupressus sargentii John Thomas Howell 1931-9-26 8092 Sonoma Serpentine outcrop 2 miles from Monte Rio on road to Camp Meeker Comment
  CAS-BOT-BC85461  Cupressus sargentii John Thomas Howell 1933-4-2 10960 Sonoma Serpentine ridge, 2 miles east of Occidental Comment
  CAS-BOT-BC87232  Streptanthus glandulosus subsp. glandulosus John Thomas Howell 1931-4-19 6436 Sonoma Spring Mountain Road, 7.5 miles west of Saint Helena. Comment
  CAS-BOT-BC87233  Streptanthus glandulosus subsp. glandulosus John Thomas Howell 1931-4-19 6436 Sonoma Spring Mountain Road, 7.5 miles west of Saint Helena. Comment
  CAS-BOT-BC87297  Streptanthus glandulosus subsp. sonomensis John Thomas Howell 1937-7-4 13077 Sonoma Near Petrified Forest. Comment
  CAS-BOT-BC87298  Streptanthus glandulosus subsp. sonomensis John Thomas Howell 1937-7-4 13077 Sonoma Near Petrified Forest. Comment
  CAS-BOT-BC87299  Streptanthus glandulosus subsp. sonomensis John Thomas Howell 1929-6-30 4321 Sonoma 4 miles from Petrified Forest on road to Knights Valley. Comment
  CAS-BOT-BC9017  Delphinium decorum John Thomas Howell 1931-4-18 6413 Sonoma Larkspur Rock near Bodega Bay Comment
  CAS-BOT-BC9018  Delphinium decorum John Thomas Howell 1931-4-18 6413 Sonoma Larkspur Rock near Bodega Bay Comment
  CAS-BOT-BC9019  Delphinium decorum John Thomas Howell 1931-4-18 6416 Sonoma Larkspur Rock near Bodega Bay Comment
  CAS-BOT-BC9020  Delphinium decorum John Thomas Howell 1931-4-18 6416 Sonoma Larkspur Rock near Bodega Bay Comment
  CAS-BOT-BC94704  Quercus X howellii John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary Wells 1981-5-14 53936 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles NE of Penngrove on the W slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC97820  Symphyotrichum chilense John Thomas Howell 1946-8-17 22870 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC98603  Baccharis douglasii John Thomas Howell 1945-8-14 21398 Sonoma Perry Marsh Comment
  CDA6850  Calendula arvensis J. T. Howell 1946-3-31 21591 Sonoma Just east of Sonoma. 0 Comment
  CHSC65438  Rhynchospora californica J. T. Howell 1945-7-18 21321 Sonoma Pitkin Marsh. Comment
  HSC5219  Calendula arvensis J. T. Howell 1946-3-31 21591 Sonoma just E of Sonoma Comment
  HSC7137  Carex lanuginosa J. T. Howell, J. W. Stacey 1937-6-6 13041 Sonoma Pitkin Marsh. Comment
  JEPS13933  Navarretia viscidula John Thomas Howell 1937-7-4 13082 Sonoma 5 mi n Sebastopol Comment
  JEPS20588  Lessingia ramulosa John Thomas Howell 1926-11-14 2250 Sonoma hills se Santa Rosa Comment
  JEPS58985  Tracyina rostrata John Thomas Howell 1967-6-17 42599 Sonoma Arthur E. Cooley ranch, at confluence of Galloway and Dry Creeks, n Sonoma County Galloway Creek, Dry Creek 182 Comment
  JEPS58999  Micropus amphibolus John Thomas Howell 1965-3-25 41033 Sonoma 3 mi se of Sonoma Comment
  LA11230  Danthonia californica John Thomas Howell; 1935-5-5 12611 Sonoma 6 mi from Santa Rosa, on rd to Sonoma Comment
  LA204393  Arabis blepharophylla John Thomas Howell; 1930-6-8 5253 Sonoma 1 mi. east of Bodega Bay Comment
  LA206575  Chorizanthe cuspidata var. cuspidata John Thomas Howell; 1930-6-8 5217 Sonoma N end of Bodega Bay Comment
Read comments
Feb 25 2015
  LA206694  Navarretia mellita John Thomas Howell; 1937-7-4 sn Sonoma near Petrified Forest Comment
  LA206733  Navarretia squarrosa John Thomas Howell; 1938-7-3 13951 Sonoma Stony Point Comment
  LA206932  Eriogonum latifolium John Thomas Howell; 1930-6-8 5288 Sonoma 8.5 mi. N of Bodega Bay Comment
  LA208036  Drymocallis glandulosa John Thomas Howell; 1930-6-8 5289 Sonoma 8.5 mi. N of Bodega Bay Comment
  LA208415  Galium californicum John Thomas Howell; 1930-6-8 5246 Sonoma 1 mi east of Bodega Bay Comment
  LA42169  Arctostaphylos glandulosa subsp. cushingiana John Thomas Howell; 1933-4-2 10941 Sonoma Rincon Ridge, near Santa Rosa Comment
  LA42174  Arctostaphylos hispidula John Thomas Howell; 1933-4-2 10956 Sonoma 2 mi. E of Occidental Comment
  NY11335  Carex sonomensis T. J. Howell 1937-6-6 13042 Sonoma Pitkin Marsh Comment
  NY248789  Callitriche heterophylla J. T. Howell 1935-5-5 12608 Sonoma Near Kenwood. Comment
  NY51372  Rhynchospora californica J. T. Howell 1936-7-26 12679 Sonoma Pitkin Marsh, 5 mi N of Sebastopol. Comment
  NY76571  Lepidium oxycarpum J. T. Howell 1933-4-1 10924 Sonoma Petaluma Comment
  POM179712  Chorizanthe cuspidata var. cuspidata J. T. Howell 1930-6-8 5271 Sonoma North end of Bodega Bay. Comment
  POM179718  Castilleja ambigua subsp. ambigua J. T. Howell 1930-6-8 5293 Sonoma 4 miles north of Bodega Bay. Comment
  POM179723  Hemizonia congesta J. T. Howell 1930-6-8 5216 Sonoma 8 miles west of Petaluma on Bodega Road. Comment
  POM179724  Gilia capitata subsp. chamissonis J. T. Howell 1930-6-8 5272 Sonoma North end of Bodega Bay. Comment
  POM179726  Gilia capitata subsp. tomentosa J. T. Howell 1930-6-8 5365 Sonoma 1 mile east of Bodega Bay Comment
  POM179763  Castilleja ambigua subsp. ambigua J. T. Howell 1930-6-8 5226 Sonoma Bodega Road, 4 miles east of Valley Ford. Comment
  POM179766  Eryngium armatum J. T. Howell 1930-6-8 5215 Sonoma 8 miles west of Petaluma on Bodega Road. Comment
  POM179768  Leptosiphon androsaceus J. T. Howell 1930-6-8 5254 Sonoma 1 mile east of Bodega Bay Comment
  POM179770  Drymocallis glandulosa var. wrangelliana J. T. Howell 1930-6-8 5255 Sonoma 1 mile east of Bodega Bay Comment
  POM180613  Castilleja wightii J. T. Howell 1930-6-8 5281 Sonoma 8.5 miles north of Bodega Bay. Comment
  POM180615  Allium dichlamydeum J. T. Howell 1930-6-8 5282 Sonoma 8.5 miles north of Bodega Bay. Comment
  POM180616  Plagiobothrys reticulatus var. rossianorum J. T. Howell 1930-6-8 5225 Sonoma Bodega Road, 4 miles east of Valley Ford. Comment
  POM180618  Calystegia purpurata subsp. saxicola J. T. Howell 1930-6-8 5290 Sonoma 8.5 miles N of Bodega Bay Comment
  POM180619  Eryngium armatum J. T. Howell 1930-6-8 5295 Sonoma 4 miles north of Bodega Bay Comment
  POM180620  Lomatium vaginatum J. T. Howell 1930-6-8 5248 Sonoma 1 mile east of Bodega Bay. Comment
  POM180621  Agoseris hirsuta J. T. Howell 1930-6-8 5268 Sonoma North end of Bodega Bay. Comment
  POM180623  Eriophyllum staechadifolium J. T. Howell 1930-6-8 5292 Sonoma 8.5 miles north of Bodega Bay. Comment
  POM180624  Camissonia cheiranthifolia subsp. cheiranthifolia J. T. Howell 1930-6-8 5273 Sonoma North end of Bodega Bay. Comment
  POM180626  Eriogonum latifolium J. T. Howell 1930-6-8 5288 Sonoma 8.5 miles north of Bodega Bay. Comment
  POM180627  Amelanchier pallida J. T. Howell 1930-6-8 5287 Sonoma 8.5 miles N of Bodega Bay Comment
  POM180691  Scrophularia californica J. T. Howell 1930-7-27 5392 Sonoma 1 mile north of Fort Ross. Comment
  POM180771  Abies grandis J. T. Howell 1930-7-27 5398 Sonoma Canyon 1 mile N of Fort Ross. Comment
  POM180783  Heterotheca sessiliflora subsp. echioides J. T. Howell 1930-7-13 5342 Sonoma Black Point Road Comment
  POM180784  Lomatium dasycarpum subsp. dasycarpum J. T. Howell 1930-7-13 5340 Sonoma Black Point Road Comment
  POM181015  Arctostaphylos stanfordiana subsp. stanfordiana J. T. Howell 1931-3-14 5771 Sonoma Vine Hill District Comment
  POM181140  Arctostaphylos glandulosa subsp. glandulosa J. T. Howell 1931-3-14 5763 Sonoma Rincon Ridge. Comment
  POM183313  Lessingia arachnoidea John T. Howell 1931-9-26 8090 Sonoma 2 miles from Monte Rio on road to camp Meeker Comment
  POM202659  Grindelia hirsutula var. davyi J. T. Howell 1932-10-9 10816 Sonoma 6 miles from Sonoma on road to Napa. Comment
  POM202851  Arctostaphylos columbiana J. T. Howell 1934-3-3 11743 Sonoma Between Fort Ross and Stewart's Point. Comment
  POM202854  Castilleja wightii J. T. Howell 1934-3-3 11735 Sonoma Bodega Bay. Comment
  POM203044  Arctostaphylos canescens subsp. canescens J. T. Howell 1934-3-3 11748 Sonoma Between Fort Ross and Stewart's Point. Comment
  POM203095  Arctostaphylos canescens subsp. canescens J. T. Howell 1933-4-2 10945 Sonoma Rincon Ridge, near Santa Rosa. Comment
  POM203257  Calystegia soldanella J. T. Howell 1931-4-18 6419 Sonoma Mouth of Salmon Creek, 2 miles n. of Bay. Comment
  POM203301  Microseris bigelovii J. T. Howell 1931-4-18 6417 Sonoma Mouth of Salmon Creek, 2 miles n. of Bay. Comment
  POM203618  Ceanothus jepsonii J. T. Howell 1933-4-2 10959 Sonoma 2 miles east of Occidental Comment
  POM203619  Ceanothus divergens subsp. confusus J. T. Howell 1933-4-2 10937 Sonoma Sonoma Creek Canyon. Comment
  POM203651  Montia stenophylla J. T. Howell 1933-4-1 10926 Sonoma Petaluma Comment
  POM203653  Cercocarpus betuloides J. T. Howell 1933-4-2 10938 Sonoma Sonoma Creek Canyon. Comment
  POM203664  Lasthenia glabrata subsp. glabrata J. T. Howell 1933-4-1 10925 Sonoma Petaluma Comment
  POM203710  Romanzoffia californica J. T. Howell 1931-4-18 6411 Sonoma Larkspur Rock near Bodega Bay. Comment
  POM203932  Madia capitata J. T. Howell 1932-9-17 10764 Sonoma Near Kenwood Comment
  POM204032  Briza minor J. T. Howell 1934-3-25 367 Sonoma Petaluma Comment
  POM204431  Arctostaphylos densiflora J. T. Howell 1931-3-14 5770 Sonoma Vine Hill District Comment
  POM215112  Calycadenia truncata subsp. truncata J. T. Howell 1932-10-9 10812 Sonoma Sonoma Creek Canyon near Kenwood Springs Comment
  POM225311  Sidalcea oregana subsp. valida J. T. Howell 1932-9-18 10766 Sonoma Kenwood Marsh near Kenwood Comment
Read comments
Mar 10 2009
  POM226100  Plagiobothrys stipitatus J. T. Howell 1933-4-1 10922 Sonoma Petaluma Comment
  POM230033  Carex pellita J. T. Howell, J. W. Stacey 1937-6-6 13041 Sonoma Pitkin Marsh. Comment
  POM230312  Arctostaphylos canescens subsp. canescens J. T. Howell 1937-4-11 12894 Sonoma Rincon Ridge northeast of Santa Rosa. Comment
  POM230561  Lamium amplexicaule J. T. Howell 1937-4-11 12910 Sonoma M.S. Baker s place near Kenwood. Comment
  POM248696  Ceanothus sonomensis J. T. Howell 1935-5-5 12609 Sonoma Slopes of Triniti Mountain, 2 miles E of Glen Ellen Comment
  POM259043  Epilobium ciliatum subsp. watsonii J. T. Howell 1938-7-3 13957 Sonoma Pitkin Marsh. Comment
  POM273085  Calendula arvensis J. T. Howell 1946-3-31 21591 Sonoma JOrchards and fields just east of Sonoma. Comment
  POM298993  Phacelia distans J. T. Howell 1930-6-8 5274 Sonoma North end of Bodega Bay. Comment
  POM299003  Phacelia divaricata J. T. Howell 1931-4-18 6421 Sonoma Mouth of Salmon Creek, two miles north of Bay. Comment
  POM299082  Phacelia californica J. T. Howell 1930-7-27 5403 Sonoma One mile north of Fort Ross. Comment
  POM303623  Rhynchospora capitellata J. T. Howell 1936-7-26 12677 Sonoma Pitkin Marsh, 5 miles north of Sebastopol. Comment
  POM303625  Rhynchospora globularis var. recognita J. T. Howell 1936-7-26 12678 Sonoma Pitkin Marsh, 5 miles north of Sebastopol. Comment
  RSA114299  Isolepis carinata J. T. Howell 1957-6-13 32620 Sonoma Pitkin Marsh. Comment
  RSA114300  Danthonia californica var. californica J. T. Howell 1957-6-13 32622 Sonoma slope bordering Pitkin Marsh Comment
  RSA118025  Horkelia tenuiloba J. T. Howell 1955-6-2 30258 Sonoma Near Vine Hill School Comment
  RSA14422B  Danthonia californica var. americana J. T. Howell 1935-5-5 12611 Sonoma Low hills, 6 miles from Santa Rosa on road to Sonoma Comment
  RSA179722  Stachys ajugoides J. T. Howell 1930-6-8 5228 Sonoma Bodega Road, 4 miles east of Valley Ford. Comment
  RSA179774  Rosa eglanteria J. T. Howell 1930-6-8 5234 Sonoma Flat along stream, 4 miles east of Valley Ford Comment
  RSA18973  Arctostaphylos canescens subsp. sonomensis J. T. Howell 1937-4-11 12894 Sonoma Rincon Ridge northeast of Santa Rosa. Comment
  RSA19014  Ceanothus gloriosus var. gloriosus J. T. Howell 1934-3-3 11742 Sonoma 8 miles south of Stewart's Point Comment
  RSA201424  Carex ovalis J. T. Howell 1947-6-5 23240 Sonoma Cunningham Marsh Comment
  RSA21892  Ceanothus confusus J. T. Howell 1935-5-5 12620 Sonoma 6 miles from Santa Rosa on road to Sonoma. Comment
  RSA21893  Ceanothus confusus J. T. Howell 1935-5-5 12621 Sonoma 6 miles from Santa Rosa on road to Sonoma. Comment
  RSA21894  Ceanothus confusus J. T. Howell 1935-5-5 12619 Sonoma 6 miles from Santa Rosa on road to Sonoma. Comment
  RSA21896  Ceanothus confusus J. T. Howell 1937-4-11 12903 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  RSA21905  Ceanothus confusus J. T. Howell 1935-5-5 12613 Sonoma 6 miles from Santa Rosa on road to Sonoma. Comment
  RSA21906  Ceanothus confusus J. T. Howell 1937-4-11 12903 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  RSA21909  Ceanothus confusus J. T. Howell 1937-4-11 12908 Sonoma Sonoma Creek Canyon at M S Baker's. Comment
  RSA21913  Ceanothus confusus J. T. Howell 1935-5-5 12616 Sonoma 6 miles from Santa Rosa on road to Sonoma. Comment
  RSA21914  Ceanothus confusus J. T. Howell 1935-5-5 12618 Sonoma 6 miles from Santa Rosa on road to Sonoma. Comment
  RSA26414  Ceanothus foliosus J. T. Howell 1941-4-5 16174 Sonoma Rincon Ridge Comment
  RSA26566  Phacelia californica J. T. Howell 1930-7-27 5403 Sonoma One mile north of Fort Ross. Comment
  RSA26574  Phacelia distans J. T. Howell 1930-6-8 5274 Sonoma North end of Bodega Bay. Comment
  RSA35297  Rhynchospora capitellata J. T. Howell 1936-7-26 12677 Sonoma Pitkin Marsh, 5 miles north of Sebastopol. Comment
  RSA35299  Rhynchospora globularis var. recognita J. T. Howell 1936-7-26 12678 Sonoma Pitkin Marsh, 5 miles north of Sebastopol. Comment
  RSA415795  Astragalus claranus J. T. Howell 1931-4-19 6431 Sonoma 12.5 miles from St. Helena on Spring Mountain Road to Santa Rosa. Comment
Read comments
Nov 17 2007
  RSA44227  Blennosperma bakeri J. T. Howell 1949-4-6 25303 Sonoma North Coast Range southwest of Sonoma. Comment
  RSA51940  Carex gynodynama J. T. Howell 1947-6-5 23231 Sonoma Cunningham Marsh Comment
  RSA51977  Carex pellita J. T. Howell 1945-5-30 s.n. Sonoma Pitkin Marsh. Comment
  RSA51980  Carex ovalis J. T. Howell 1947-6-5 23241 Sonoma Cunningham Marsh Comment
  RSA52006  Carex dudleyi J. T. Howell 1945-5-30 20891 Sonoma Pitkin Marsh. Comment
  RSA52013  Carex globosa J. T. Howell 1945-5-30 20913 Sonoma Vine Hill School. Comment
  RSA52096  Carex buxbaumii J. T. Howell 1945-7-18 21327 Sonoma Pitkin Marsh Comment
  RSA52171  Carex praegracilis J. T. Howell 1947-6-26 23295 Sonoma Cunningham Marsh. Comment
  RSA52174  Carex tumulicola J. T. Howell 1947-6-5 23239 Sonoma Cunningham Marsh Comment
  RSA52337  Carex gracilior J. T. Howell 1947-6-5 23238 Sonoma Cunningham Marsh Comment
  RSA53840  Triteleia peduncularis J. T. Howell 1945-5-30 s.n. Sonoma Pitkin Marsh. Comment
  RSA54039  Scribneria bolanderi J. T. Howell 1948-4-18 24209 Sonoma Hills east of Agua Caliente. Comment
  RSA54040  Leptosiphon acicularis J. T. Howell 1948-4-18 s.n. Sonoma Hills east of Agua Caliente. Comment
  RSA54041  Trifolium depauperatum var. amplectens J. T. Howell 1948-4-18 24206 Sonoma Hills east of Agua Caliente. Comment
  RSA54042  Medicago arabica J. T. Howell 1948-4-18 24212 Sonoma Hills east of Agua Caliente. Comment
  RSA54043  Brachypodium distachyon J. T. Howell 1948-4-18 24214 Sonoma Hills east of Agua Caliente. Comment
  RSA54045  Micropus amphibolus J. T. Howell 1948-4-18 24203 Sonoma Hills east of Agua Caliente. Comment
  RSA54056  Minuartia californica J. T. Howell 1948-4-18 24207 Sonoma Hills east of Agua Caliente. Comment
  RSA54059  Mimulus guttatus J. T. Howell 1948-4-18 24213 Sonoma Hills east of Agua Caliente. Comment
  RSA608263  Hemizonia congesta J. T. Howell, J. W. Stacey 1936-7-26 12672 Sonoma Pitkin Marsh, 5 miles north of Sebastopol. Comment
  RSA66571  Lepidium oxycarpum J. T. Howell 1933-4-1 10924 Sonoma Petaluma Comment
  RSA67138  Galium porrigens J. T. Howell 1930-6-8 5263 Sonoma 1 mile east of Bodega Bay Comment
  RSA67159  Galium californicum subsp. californicum J. T. Howell 1930-6-8 5246 Sonoma 1 mile east of Bodega Bay Comment
  RSA70838  Arctostaphylos manzanita subsp. manzanita J. T. Howell 1931-3-14 5773 Sonoma Vine Hill District Comment
  RSA70887  Arctostaphylos canescens subsp. sonomensis J. T. Howell 1937-4-11 12894 Sonoma Rincon Ridge northeast of Santa Rosa. Comment
  RSA74059  Rhynchospora capitellata J. T. Howell 1936-7-26 12677 Sonoma Pitkin Marsh, 5 miles north of Sebastopol. Comment
  RSA766132  Eriogonum latifolium J. T. Howell 1930-6-8 5257 Sonoma 1 mile east of Bodega Bay Comment
  RSA77338  Ceanothus sonomensis J. T. Howell 1935-5-5 12609 Sonoma Slopes of Triniti Mountain, 2 miles E of Glen Ellen Comment
  RSA77694  Ceanothus confusus J. T. Howell 1937-4-11 12897 Sonoma Rincon Ridge northeast of Santa Rosa. Comment
  RSA8489  Arctostaphylos bakeri subsp. bakeri J. T. Howell 1933-4-2 10954 Sonoma 2 miles east of Occidental Comment
  RSA8490  Arctostaphylos viscida subsp. pulchella J. T. Howell 1933-4-2 10939 Sonoma Sonoma Creek Canyon. Comment
  RSA8527  Plagiobothrys stipitatus J. T. Howell 1933-4-1 10922 Sonoma Petaluma Comment
  RSA88338  Arctostaphylos densiflora J. T. Howell 1933-4-2 10948 Sonoma 8 miles west of Santa Rosa Comment
  SBBG26768  Ceanothus sonomensis J. T. Howell 1935-5-5 Sonoma Triniti Mtn 2 mi NE of Glen Ellen Comment
  SBBG27271  Ceanothus divergens subsp. confusus J. T. Howell 1937-4-11 Sonoma Rincon Ridge, NE of Santa Rosa Comment
  SBBG28783  Galium californicum subsp. californicum J. T. Howell 1930-7-27 5406 Sonoma 1 mi N of Fort Ross Comment
  SBBG56223  Polypodium scouleri J. T. Howell 1930-7-27 5393 Sonoma cyn 1 mi N of Fort Ross Comment
  SBBG64029  Eriogonum latifolium J. T. Howell 1930-7-27 5402 Sonoma 1 mi N of Fort Ross Comment
  SD71327  Lomatium repostum John Thomas Howell 1966-6-2 41551 Sonoma Hills east of Agua Caliente Comment
  SD72053  Carex globosa John Thomas Howell 1955-6-2 30258 A Sonoma Near Vine Hill School. Comment
  SD72056  Carex lemmonii John Thomas Howell 1957-6-13 Sonoma Pitkin Marsh; shaded place in wet soil under azalea bushes. Comment
  SEINET176827  Cercocarpus betuloides John T. Howell 1933-4-2 10938 Sonoma Sonoma Creek Canyon Comment
  SEINET3228072  Sidalcea oregana subsp. valida John Thomas Howell 1932-1 Sonoma Comment
  UC1026380  Calamagrostis bolanderi John Thomas Howell 1947-6-26 23312 Sonoma Cunningham Marsh Comment
  UC1026382  Rhynchospora capitellata John Thomas Howell 1945-7-18 21318 Sonoma Pitkin Marsh Comment
  UC1026384  Rhynchospora globularis var. globularis John Thomas Howell 1945-8-14 21393 Sonoma Perry Marsh Comment
  UC1026387  Rhynchospora globularis var. globularis John Thomas Howell 1945-7-18 Sonoma Pitkin Marsh Comment
  UC1042316  Navarretia viscidula John Thomas Howell 1947-6-26 23318 Sonoma Cunningham Marsh Comment
  UC1042317  Hemizonia congesta subsp. congesta John Thomas Howell 1945-8-14 21408 Sonoma Perry Marsh Comment
  UC1042318  Cuscuta obtusiflora var. glandulosa John Thomas Howell 1946-8-17 22851 Sonoma n of Sebastopol; The Laguna Comment
  UC1042531  Arctostaphylos John Thomas Howell 1933-4-2 10948 Sonoma 8 mi w Santa Rosa Comment
  UC1106074  Montia fontana John Thomas Howell 1949-4-6 25301 Sonoma sw of Sonoma Comment
  UC1106279  Lemna gibba John Thomas Howell 1946-9-20 23028 Sonoma near Twin Rocks (Two Rock (acc. map)); Two Rock Comment
  UC1147785 Image available Carex lemmonii J. T. Howell and J. W. Stacey 1937-6-6 13042 Sonoma Pitkin Marsh; ; Pitkin Marsh, Sonoma Co. Comment
  UC1147821  Carex feta John Thomas Howell, J. W. Stacey 1937-6-6 13038 Sonoma Pitkin Marsh Comment
  UC1147827  Carex pellita John Thomas Howell, J. W. Stacey 1937-6-6 13041 Sonoma Pitkin Marsh Comment
  UC421566  Galium porrigens var. porrigens John Thomas Howell 1929-6-9 4297 Sonoma 2 mi n Sonoma Comment
  UC421606  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum John Thomas Howell 1929-6-30 4319 Sonoma 4 mi from Petrified Forest (on road to Knights Valley) Comment
  UC421612  Hemizonia congesta subsp. luzulifolia John Thomas Howell 1929-10-26 4539 Sonoma 7.5 mi from Santa Rosa (on road to Petrified Forest) Comment
  UC473463  Castilleja wightii John Thomas Howell 1930-6-27 5412 Sonoma 4 mi n Bodega Bay Comment
  UC473469  Horkelia californica John Thomas Howell 1930-6-8 5279 Sonoma 8 mi n Bodega Bay Comment
  UC473547  Grindelia hirsutula John Thomas Howell 1930-6-8 5256 Sonoma 1 mi e Bodega Comment
  UC473549  Grindelia hirsutula John Thomas Howell 1930-7-13 5338 Sonoma Black Point Road Comment
  UC473562  Hemizonia congesta subsp. lutescens John Thomas Howell 1930-7-27 5411 Sonoma 4 mi n Bodega Bay Comment
  UC473570  Galium porrigens var. porrigens John Thomas Howell 1930-6-8 5263 Sonoma 1 mi e Bodega Bay Comment
  UC473574  Solidago spathulata John Thomas Howell 1931-9-26 8095 Sonoma 7 mi n Fort Ross Comment
  UC473575  Veratrum fimbriatum John Thomas Howell 1931-9-26 8094 Sonoma 7 mi n Fort Ross Comment
  UC473583  Arctostaphylos glandulosa subsp. glandulosa John Thomas Howell 1931-3-14 5779 Sonoma Vine Hill District Comment
  UC517469  Lasthenia glabrata subsp. glabrata John Thomas Howell 1933-4-1 10925 Sonoma Petaluma Comment
  UC517471  Salix breweri John Thomas Howell 1933-4-2 10940 Sonoma Sonoma Creek Canyon Mt. Hood Comment
  UC517474  Lepidium oxycarpum John Thomas Howell 1933-4-1 10924 Sonoma Petaluma Comment
  UC517527  Madia sativa John Thomas Howell 1932-9-17 10764 Sonoma near Kenwood Comment
  UC518012  Arctostaphylos bakeri John Thomas Howell 1933-4-2 10956 Sonoma 2 mi e Occidental Comment
  UC526220  Arctostaphylos John Thomas Howell 1931-3-14 5773 Sonoma Vine Hill District Comment
  UC574867  Horkelia tenuiloba John Thomas Howell 1937-7-4 13083 Sonoma 5 mi n Sebastopol Comment
  UC577228  Danthonia californica var. americana John Thomas Howell 1935-5-5 12611 Sonoma on road to Sonoma 6 mi from Santa Rosa Comment
  UC618361  Ceanothus sonomensis John Thomas Howell 1935-5-5 12609 Sonoma Slopes of Trinity Mt. 2 miles E of Glen Ellen Comment
  UC648303  Eryngium aristulatum var. aristulatum John Thomas Howell 1933-8-27 11619 Sonoma lands bordering San Pablo Bay s.w. Sonoma Comment
  UC702959  Phacelia distans John Thomas Howell 1930-6-8 5274 Sonoma sand hills at n end Bodega Bay (type locality region) Comment
  UC702988  Phacelia distans John Thomas Howell 1930-6-8 5250 Sonoma rocky slope 1 mi e Bodega Bay Comment
  UC702992  Phacelia californica John Thomas Howell 1930-7-27 5403 Sonoma 1 mi n Fort Ross Comment
  UC703123  Phacelia distans John Thomas Howell 1929-6-9 4306 Sonoma near Petrified Forest Comment
  UC703181  Delphinium variegatum subsp. variegatum John Thomas Howell 1941-4-5 16175 Sonoma 1 mi s El Verano Comment
  UC710415  Rhynchospora capitellata John Thomas Howell 1936-7-26 12677 Sonoma 5 mi n Sebastopol; Pitkin Marsh Comment
  UC710417  Rhynchospora californica John Thomas Howell 1936-7-26 12679 Sonoma 5 mi n Sebastopol (Pitkin Marsh); Pitkin Marsh Comment
  UC710441  Rhynchospora globularis var. globularis John Thomas Howell 1936-7-26 12678 Sonoma 5 mi n Sebastopol; Pitkin Marsh Comment
  UC750590  Calendula arvensis J. Thomas Howell 1946-3-31 21591 Sonoma orchards and fields just e of Sonoma Comment
  UC810503  Isoetes howellii John Thomas Howell 1937-6-6 13015 Sonoma Sebastopol Comment
  UC810525  Isoetes nuttallii John Thomas Howell 1937-6-6 13028 Sonoma Pitkin Marsh Comment
  UC825094  Carex feta John Thomas Howell, J. W. Stacey 1937-6-6 13038 Sonoma Pitkin Marsh Comment
  UC826685  Carex pellita John Thomas Howell, J. W. Stacey 1937-6-6 13041 Sonoma Pitkin Marsh Comment
  UC835699 Image available Carex lemmonii J. T. Howell and J. W. Stacey 1937-6-6 13042 Sonoma Pitkin Marsh; ; Pitkin Marsh, Sonoma Co. Comment
  UC842406  Juncus covillei John Thomas Howell 1937-7-4 13078 Sonoma near Petrified Forest Comment
  UC856900  Navarretia viscidula John Thomas Howell 1937-7-4 13082 Sonoma 5 mi n Sebastopol Comment
  UC870562  Ceanothus gloriosus John Thomas Howell 1934-3-3 11742 Sonoma 8 miles S of Stewart's Point Comment
  UC870630  Ceanothus confusus John Thomas Howell 1937-4-11 12897 Sonoma NE of Santa Rosa (Rincon Ridge) Comment
  UC870631  Ceanothus confusus John Thomas Howell 1937-7-4 13080 Sonoma NE of Santa Rosa (Rincon Ridge) Comment
  UC876539  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1937-4-11 12894 Sonoma ne Santa Rosa; Rincon Ridge Comment
  UC881362  Plagiobothrys undulatus John Thomas Howell 1937-6-6 13014 Sonoma Sebastopol Comment
  UC904940  Carex globosa John Thomas Howell 1945-5-30 20913 Sonoma Vine Hill School Comment
  UC904999  Carex praegracilis John Thomas Howell 1947-6-26 23295 Sonoma Cunningham Marsh Comment
  UC905009  Carex John Thomas Howell 1947-6-5 23241 Sonoma Cunningham Marsh Comment
  UC912541  Lessingia ramulosa John Thomas Howell 1920-11-14 2250 Sonoma hills se Santa Rosa 83 Comment
  UCD129655  Calendula arvensis John Thomas Howell 1946-3-31 21591 Sonoma east of Sonoma. Comment
  UCD140473  Carex lemmonii John Thomas Howell 1957-6-13 s.n. Sonoma Pitkin Marsh. Comment
  UCD141229  Rhynchospora alba John Thomas Howell 1945-7-18 21325 Sonoma Pitkin Marsh. Comment
  UCD141231  Rhynchospora californica John Thomas Howell 1945-7-18 21321 Sonoma Pitkin Marsh. Comment
  UCD141233  Rhynchospora capitellata John Thomas Howell 1945-7-18 21318 Sonoma Pitkin Marsh. Comment
  UCD141236  Rhynchospora globularis John Thomas Howell 1945-7-18 21324 Sonoma Pitkin Marsh. Comment
  UCD45329  Quercus X chasei John Thomas Howell 1946-8-17 22859 Sonoma Lloyd Voit Ranch west of Cummingham, Sonoma County. Comment
  UCD46179  Quercus garryana John Thomas Howell 1981-5-14 53936 Sonoma Fairfield Osborn Preserve of The Nature Conservancy, 4.5 mi. n.e. of Penngrove, Sonoma Mt., Sonoma County. 457 Comment
  UCD60988  Danthonia californica John Thomas Howell 1930-6-8 5217 Sonoma 8 miles W of Petaluma on Bodega Road. Comment
  UCD85231  Hainardia cylindrica John Thomas Howell 1930-6-8 5219 Sonoma 8 miles W of Petaluma on Bodega Road. Comment
  UCD88994  Phalaris lemmonii John Thomas Howell 1943-5-10 s.n. Sonoma 2 miles N of Windsor. Comment
  UCD88995  Phalaris lemmonii John Thomas Howell 1947-6-5 23243 Sonoma 4 miles W of Santa Rosa. Near Wright School. Comment
  UCD92720  Setaria pumila John Thomas Howell 1947-9-26 32976 Sonoma near Guerneville. Russian River. Comment
  UCLA71586  Stachys ajugoides var. ajugoides John Thomas Howell 1930-6-8 5228 Sonoma 4 mi e Valley Ford (Bodega Road) Comment
  UCR51759  Blennosperma bakeri J. T. Howell 1949-4-6 s.n. Sonoma North Coast Range, southwest of Sonoma Comment
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Dec 17 2019
  UCR70807  Plagiobothrys greenei J. T. Howell 1949-4-6 25304 Sonoma North Coast Range, southwest of Sonoma Comment
  UCSC000433  Vicia sativa subsp. nigra John Thomas Howell 1946-3-31 s.n. Sonoma Near Sonoma Comment
  CAS-BOT-BC10066  Delphinium hesperium subsp. pallescens John Thomas Howell 1934-3-27 s.n. Sonoma Pope Canyon, Napa Range Comment
  CAS-BOT-BC111109  Scirpus microcarpus John Thomas Howell; Catherine Best; Wilma Follette; Mary P. Wells 1982-4-28 54678 Sonoma Bouverine Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek. 121 Comment
  CAS-BOT-BC111115  Scirpus microcarpus John Thomas Howell 1951-5-28 s.n. Sonoma Laguna east of Sebastopol. Comment
  CAS-BOT-BC112563  Isolepis cernua John Thomas Howell 1930-6-8 s.n. Sonoma Salt Marsh at N end of Bodega Bay Comment
  CAS-BOT-BC12758  Lepidium oxycarpum John Thomas Howell 1931-4-1 6039 Sonoma 9 miles southwest of Sonoma on road to San Rafael. Comment
  CAS-BOT-BC12968  Lepidium strictum John Thomas Howell; Catherine Best 1981-4-2 53934 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, Sonoma Mountain east of Cotati. 457 Comment
  CAS-BOT-BC138396  Aira caryophyllea var. capillaris John Thomas Howell 1944-5-14 s.n. Sonoma Chileno Valley, southern Sonoma county. Comment
  CAS-BOT-BC138397  Aira caryophyllea var. capillaris John Thomas Howell 1944-5-14 s.n. Sonoma Chilero Valley, south Sonoma county. Comment
  CAS-BOT-BC151749  Diplacus kelloggii John Thomas Howell 1931-4-19 6432 Sonoma Spring Mountain Road, 9.5 miles from St. Helena Comment
  CAS-BOT-BC151881  Diplacus congdonii John Thomas Howell 1937-4-11 12892 Sonoma Triniti Mt. east of Glen Ellen Comment
  CAS-BOT-BC152291  Diplacus congdonii John Thomas Howell 1954-4-1 29139 Sonoma About 2 miles from Sonoma on road to Napa Comment
  CAS-BOT-BC155894  Bromus catharticus var. elatus John Thomas Howell 1955-4-14 30148 Sonoma Ranch yard, about 2 miles southeast of Sonoma. Comment
  CAS-BOT-BC155897  Bromus catharticus var. elatus John Thomas Howell 1959-10-8 35097 Sonoma Near Hilton. On Russian River. Comment
  CAS-BOT-BC161053  Clarkia amoena subsp. amoena John Thomas Howell 1930-7-27 5410 Sonoma 8 miles south of Fort Ross Comment
  CAS-BOT-BC161583  Bromus sterilis John Thomas Howell 1967-6-17 42598 Sonoma Confluence of Galloway and Dry Creeks. 182 Comment
  CAS-BOT-BC163146  Clarkia gracilis subsp. sonomensis John Thomas Howell 1929-6-9 4303 Sonoma Near highway, Valley of the Moon one mile from Glen Ellen Comment
  CAS-BOT-BC168063  Castilleja uliginosa John Thomas Howell 1945-5-30 20895 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC186822  Astragalus gambelianus John Thomas Howell 1931-4-19 6433 Sonoma Spring Mountain Road, 7.5 miles from St. Helena Comment
  CAS-BOT-BC19951  Carex exsiccata John Thomas Howell 1946-8-17 22858 Sonoma The Laguna north of Sebastopol. Comment
  CAS-BOT-BC19952  Carex exsiccata John Thomas Howell; J. W. Stacey 1937-6-6 13026 Sonoma Sebastopol. Comment
  CAS-BOT-BC20471  Carex densa John Thomas Howell 1935-5-5 12605 Sonoma Low field near Kenwood. Comment
  CAS-BOT-BC20517  Carex densa John Thomas Howell 1935-5-5 12605 Sonoma Low field near Kenwood. Comment
  CAS-BOT-BC20518  Carex densa John Thomas Howell 1943-5-10 17991 Sonoma 1.75 mile N of Windsor. Comment
  CAS-BOT-BC207258  Lupinus sericatus John Thomas Howell 1935-5-5 12610 Sonoma Near summit of Trinity P.O. Road, Mt. Hood Range Comment
  CAS-BOT-BC208556  Echinochloa crus-galli John Thomas Howell 1957-10-12 32999 Sonoma Ca. 1 mi. SW of Sonoma Comment
  CAS-BOT-BC213571  Eragrostis hypnoides John Thomas Howell 1955-9-13 30913 Sonoma Sand bar of Russian River at Odd Fellows Park above Guerneville. Comment
  CAS-BOT-BC220503  Monardella villosa John Thomas Howell 1929-6-30 6316 Sonoma 6 miles from Petrified Forest on road to Knights Valley Comment
  CAS-BOT-BC222276  Amsinckia John Thomas Howell 1934-3-25 11774 Sonoma Lakeville Comment
  CAS-BOT-BC222277  Amsinckia John Thomas Howell 1934-3-25 11778 Sonoma Lakeville Comment
  CAS-BOT-BC222278  Amsinckia John Thomas Howell 1934-3-25 11777 Sonoma Lakeville Comment
  CAS-BOT-BC222279  Amsinckia John Thomas Howell 1934-3-25 11775 Sonoma Lakeville Comment
  CAS-BOT-BC222280  Amsinckia John Thomas Howell 1934-3-26 11788 Sonoma Southwestern base of Mt. Hood Comment
  CAS-BOT-BC222281  Amsinckia John Thomas Howell 1934-3-26 11787 Sonoma Southwestern base of Mt. Hood Comment
  CAS-BOT-BC222282  Amsinckia John Thomas Howell 1934-3-26 11786 Sonoma Southwestern base of Mt. Hood Comment
  CAS-BOT-BC222283  Amsinckia John Thomas Howell 1934-3-26 11785 Sonoma Southwestern base of Mt. Hood Comment
  CAS-BOT-BC222284  Amsinckia John Thomas Howell 1934-3-26 11789 Sonoma Southwestern base of Mt. Hood Comment
  CAS-BOT-BC222287  Amsinckia John Thomas Howell 1934-3-25 11776 Sonoma Lakeville Comment
  CAS-BOT-BC226735  Leptosiphon latisectus John Thomas Howell 1931-4-4 6179 Sonoma Santa Rosa Canyon Comment
  CAS-BOT-BC23603  Arctostaphylos columbiana John Thomas Howell 1934-3-3 11743 Sonoma Between Fort Ross and Stewart's Point Comment
  CAS-BOT-BC244265  Poa unilateralis John Thomas Howell 1931-4-18 6429 Sonoma 8 miles N of Bay Comment
  CAS-BOT-BC246321  Chloropyron maritimum subsp. palustre John Thomas Howell 1955-8-6 30895 Sonoma On west side of Bodega Bay Comment
  CAS-BOT-BC253655  Panicum capillare John Thomas Howell 1957-9-26 32977 Sonoma Russian River bottom near Guerneville Comment
  CAS-BOT-BC254477  Dichanthelium acuminatum subsp. acuminatum John Thomas Howell 1937-6-6 13032 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC254479  Dichanthelium acuminatum subsp. acuminatum John Thomas Howell 1945-7-18 21322 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC259471  Eriogonum luteolum John Thomas Howell 1932-9-18 10785 Sonoma Field bordering Sonoma Creek where it enters the level of Sonoma Valley Comment
  CAS-BOT-BC259478  Eriogonum luteolum John Thomas Howell 1932-9-18 10786 Sonoma Field bordering Sonoma Creek where it enters the level of Sonoma Valley Comment
  CAS-BOT-BC259689  Paspalum dilatatum John Thomas Howell 1946-8-17 22860 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC259693  Paspalum dilatatum John Thomas Howell; Walter & Irja Knight 1981-6-4 6244 Sonoma Todd Road Preserve 24 Comment
  CAS-BOT-BC260987  Pleuropogon californicus var. californicus John Thomas Howell 1931-4-1 6037 Sonoma 9 miles sw. of Sonoma on road to San Rafael Comment
  CAS-BOT-BC265917  Phalaris lemmonii John Thomas Howell 1947-6-5 23243 Sonoma Near Wright School 4 mi. W of Santa Rosa Comment
  CAS-BOT-BC266424  Campanula californica John Thomas Howell 1945-8-14 21402 Sonoma Perry Marsh Comment
  CAS-BOT-BC271443  Anisocarpus madioides John Thomas Howell; Catherine Best; Wilma Follette; Gordon H. True; Mary P. Wells 1981-5-14 54015 Sonoma Fairfield Osborn Preserve of teh Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC273245  Calendula arvensis John Thomas Howell 1954-4-1 29138 Sonoma Along highway just east of Shellville Comment
  CAS-BOT-BC273246  Calendula arvensis John Thomas Howell 1954-4-1 29138 Sonoma Along highway just east of Shellville Comment
  CAS-BOT-BC273247  Calendula arvensis John Thomas Howell 1959-5-7 34593 Sonoma Fetters Springs Comment
  CAS-BOT-BC273782  Koeleria pyramidata John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53998 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC273993  Leptochloa fusca subsp. fascicularis John Thomas Howell 1957-9-26 32978 Sonoma Sandy Russian River bottom near Guerneville Comment
  CAS-BOT-BC273994  Leptochloa fusca subsp. fascicularis John Thomas Howell; W. Knight; I. Knight 1988-7-6 s.n. Sonoma Old Redwood Highway & Adobe Road, Penngrove Comment
  CAS-BOT-BC274358  Leersia oryzoides John Thomas Howell 1946-8-17 22880 Sonoma The Laguna just east of Sebastopol Comment
  CAS-BOT-BC280537  Cirsium quercetorum John Thomas Howell 1937-6-6 13047 Sonoma 7 miles n. of Petaluma on Stony Point road Comment
  CAS-BOT-BC280538  Cirsium quercetorum John Thomas Howell 1937-6-6 13047 Sonoma 7 miles n. of Petaluma on Stony Point road Comment
  CAS-BOT-BC281764  Carduus pycnocephalus John Thomas Howell; Catherine Best; Gordon H. True 1982-5-6 54683 Sonoma Bouverie Audubon Preserve, about 1.5 miles E of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC281915  Carthamus lanatus John Thomas Howell 1967-6-17 42597 Sonoma Confluence of Galloway and Dry creeks, Arthur E. Cooley Ranch 182 Comment
  CAS-BOT-BC283150  Schedonorus arundinaceus John Thomas Howell; Catherine Best; Gordon H. True 1982-5-6 54692 Sonoma Bouverie Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC283194  Festuca californica subsp. californica John Thomas Howell; Catherine Best; Wilma Follette; Mary P. Wells; Gordon H. True 1981-5-14 54013 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on teh west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC284194  Eragrostis pectinacea var. pectinacea John Thomas Howell 1957-9-26 32980 Sonoma Russian River bottom near Guerneville Comment
  CAS-BOT-BC284427  Cirsium brevistylum John Thomas Howell 1930-6-8 5245 Sonoma 2 miles east of Bodega Comment
  CAS-BOT-BC285707  Cirsium occidentale var. occidentale John Thomas Howell 1955-8-6 30893 Sonoma Near Bodega Head Comment
  CAS-BOT-BC285896  Cirsium vulgare John Thomas Howell 1946-8-17 22865 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC288814  Centromadia fitchii John Thomas Howell 1930-9-14 5485 Sonoma 6 miles N of Geyserville Comment
  CAS-BOT-BC291249  Erechtites minimus John Thomas Howell 1946-8-17 22868 a Sonoma Cunningham Marsh Comment
  CAS-BOT-BC291251  Erechtites minimus John Thomas Howell; Catherine Best 1981-4-2 53933 Sonoma Fairfield Osborn Preserve of The Nature Conservancy, Sonoma Mt. east of Cotati 457 Comment
  CAS-BOT-BC30076  Achillea millefolium John Thomas Howell 1945-8-14 21396 Sonoma Perry Marsh Comment
  CAS-BOT-BC30077  Achillea millefolium John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh Comment
  CAS-BOT-BC302687  Gnaphalium palustre John Thomas Howell 1936-7-26 12660 Sonoma Two Rock Comment
  CAS-BOT-BC303498  Gamochaeta ustulata John Thomas Howell; Catherine Best; Gordon H. True 1982-5-6 54696 Sonoma Bouverie Audubon Preserve, about 1.5 miles E of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC303499  Gamochaeta ustulata John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh Comment
  CAS-BOT-BC304295  Filago pyramidata John Thomas Howell 1976-4-26 51595 Sonoma E of Geyserville on road to Geysers Comment
  CAS-BOT-BC305168  Grindelia hirsutula J. T. Howell 1932-11-16 10816 Sonoma 6 mi. from Sonoma on road to Napa Comment
  CAS-BOT-BC305189  Grindelia hirsutula John Thomas Howell 1929-6-9 4304 Sonoma 4 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC309714  Hemizonia congesta subsp. lutescens John Thomas Howell 1930-7-27 5409 Sonoma 8 miles south of Ft. Ross Comment
  CAS-BOT-BC309717  Hemizonia congesta subsp. lutescens John Thomas Howell 1930-7-27 5409 Sonoma 8 miles south of Fort Ross Comment
  CAS-BOT-BC309956  Hemizonia congesta subsp. luzulifolia John Thomas Howell 1932-9-18 10784 Sonoma Glen Ellen Comment
  CAS-BOT-BC311061  Heterotheca oregona var. oregona John Thomas Howell 1926-11-14 2252 Sonoma Between Rincon Valley and Santa Rosa Comment
  CAS-BOT-BC314162  Monardella villosa subsp. subserrata John Thomas Howell 1929-6-30 4316 Sonoma 6 miles from Petrified Forest on road to Knights Valley. Comment
  CAS-BOT-BC322707  Microseris laciniata John Thomas Howell 1937-6-6 13013 Sonoma Sebastapol Comment
  CAS-BOT-BC322708  Microseris laciniata John Thomas Howell 1937-7-4 13081 Sonoma 4 miles west of Santa Rosa Comment
  CAS-BOT-BC322709  Microseris laciniata John Thomas Howell 1947-6-5 23242 Sonoma Near Wright School 4 miles west of Santa Rosa Comment
  CAS-BOT-BC322710  Microseris laciniata John Thomas Howell; Alice Eastwood 1938-7-6 6086 Sonoma Alder Glen Springs Comment
  CAS-BOT-BC322711  Microseris laciniata John Thomas Howell; Alice Eastwood 1936-5-19 2504 Sonoma 11 miles north of Santa Rosa Comment
  CAS-BOT-BC322712  Microseris laciniata John Thomas Howell; Alice Eastwood 1936-5-19 2503 Sonoma 11 miles north of Santa Rosa Comment
  CAS-BOT-BC322754  Microseris paludosa John Thomas Howell 1937-6-6 13046 Sonoma 7 miles n. of Petaluma on Stony Point Road Comment
  CAS-BOT-BC323058  Tracyina rostrata John Thomas Howell 1967-6-17 42599 Sonoma On Arthur E. Cooley Ranch at confluence of Galloway adn Dry Creeks, northern Sonoma Co. 182 Comment
  CAS-BOT-BC323236  Layia chrysanthemoides John Thomas Howell 1931-4-18 6426 Sonoma 8 miles N of Bay Comment
  CAS-BOT-BC323237  Layia chrysanthemoides John Thomas Howell 1931-4-1 6036 Sonoma 9 miles SW of Sonoma on road to San Rafael. Comment
  CAS-BOT-BC323251  Layia chrysanthemoides John Thomas Howell 1931-4-1 6036 Sonoma 9 miles SW of Sonoma on road to San Rafael. Comment
  CAS-BOT-BC339169  Leontodon saxatilis subsp. saxatilis John Thomas Howell 1945-7-18 21323 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC34025  Carex brevicaulis John Thomas Howell 1938-7-3 13954 Sonoma 3 miles south of Sebastopol. Comment
  CAS-BOT-BC34027  Carex brevicaulis John Thomas Howell 1938-7-3 13950 Sonoma Stony Point. Comment
  CAS-BOT-BC340484  Lactuca saligna John Thomas Howell 1957-10-12 33001 Sonoma About 1 mi. sw. of Sonoma Comment
  CAS-BOT-BC341998  Lessingia ramulosa John Thomas Howell No date on label 2250 Sonoma SE. of Santa Rosa Comment
  CAS-BOT-BC342000  Lessingia ramulosa John Thomas Howell No date on label 2250 Sonoma SE. of Santa Rosa Comment
  CAS-BOT-BC342001  Lessingia ramulosa John Thomas Howell No date on label 2250 Sonoma SE. of Santa Rosa Comment
  CAS-BOT-BC342499  Logfia gallica John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54005 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC342616  Madia anomala John Thomas Howell 1959-5-7 34594 Sonoma Hills east of Agua Caliente Comment
  CAS-BOT-BC344036  Madia elegans John Thomas Howell 1945-7-18 21314 Sonoma Pitkin Ranch, n. of Sebastopol Comment
  CAS-BOT-BC345205  Madia sativa John Thomas Howell 1932-9-18 10781 Sonoma Lower Road to Glen Ellen 1 1/2 miles sw. of Kenwood Comment
  CAS-BOT-BC345258  Madia sativa John Thomas Howell 1932-9-18 10765 Sonoma South base of Mt. Hood on Sonoma Creek Comment
  CAS-BOT-BC352754  Lasthenia fremontii John Thomas Howell 1931-4-18 6425 Sonoma 8 miles N of Bay Comment
  CAS-BOT-BC352755  Lasthenia fremontii John Thomas Howell 1943-5-10 17989 Sonoma 1 mile N of Windsor Comment
  CAS-BOT-BC365658  Solidago spathulata John Thomas Howell 1946-8-17 22866 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC365963  Soliva sessilis John Thomas Howell; Catherine Best; Wilma Follette; Mary Wells 1982-4-28 54672 Sonoma Bouverie Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC365964  Soliva sessilis John Thomas Howell; Catherine Best; Wilma Follette; Gordon True 1981-5-14 54023 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC365965  Soliva sessilis John Thomas Howell; Catherine Best; Wilma Follette; Gordon True 1981-5-14 53941 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC374526  Sonchus asper John Thomas Howell 1932-9-18 10776 Sonoma Kenwood Marsh Comment
  CAS-BOT-BC376984  Taraxacum officinale John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53962 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC378700  Ranunculus californicus var. californicus John Thomas Howell 1931-4-2 6043 Sonoma Boyes Springs Comment
  CAS-BOT-BC378701  Ranunculus californicus var. californicus John Thomas Howell 1931-4-2 6044 Sonoma Boyes Springs Comment
  CAS-BOT-BC379576  Layia platyglossa John Thomas Howell 1976-6-15 18261 Sonoma Southern end of Sea Ranch, northwestern part of county, about 7 miles outh of Gualala 30 Comment
  CAS-BOT-BC38034  Cardamine oligosperma John Thomas Howell 1946-3-31 21589 Sonoma Sonoma. Comment
  CAS-BOT-BC38689  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1931-6-15 6691 Sonoma Thicket, 1 mile N. of Sebastapool Comment
  CAS-BOT-BC38690  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1939-1-15 14596 Sonoma Booth place, Knight's Valley Comment
  CAS-BOT-BC390730  Spergularia rubra John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53937 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC390731  Spergularia rubra John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53938 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC392500  Silene gallica John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53953 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngove on the west slope of Sonoma Mountain. 457 Comment
  CAS-BOT-BC400489  Aristolochia californica John Thomas Howell 1934-2-22 11733 Sonoma Santa Rosa Comment
  CAS-BOT-BC413636  Persicaria amphibia John Thomas Howell 1932-9-18 10769 Sonoma Bed of slough draining Kenwood Marsh Comment
  CAS-BOT-BC413740  Persicaria hydropiper John Thomas Howell 1932-9-18 10779 Sonoma Bank of slough draining Kenwood Marsh Comment
  CAS-BOT-BC413741  Persicaria hydropiper John Thomas Howell 1932-9-18 10779 Sonoma Bank of slough draining Kenwood Marsh Comment
  CAS-BOT-BC414282  Polygonum aviculare subsp. depressum John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53939 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC414335  Polygonum aviculare subsp. rurivagum John Thomas Howell 1932-9-18 10780 Sonoma Near Kenwood Comment
  CAS-BOT-BC418893  Persicaria hydropiperoides John Thomas Howell 1946-8-17 22856 Sonoma The Laguna north of Sebastopol Comment
  CAS-BOT-BC419107  Persicaria lapathifolia John Thomas Howell 1946-8-17 22855 Sonoma The Laguna north of Sebastopol Comment
  CAS-BOT-BC419108  Persicaria lapathifolia John Thomas Howell 1932-9-18 10777 Sonoma Slough draining Kenwood Marsh Comment
  CAS-BOT-BC419290  Persicaria pensylvanica John Thomas Howell 1932-9-18 10778 Sonoma Bank of slough draining Kenwood Marsh Comment
  CAS-BOT-BC419430  Persicaria punctata John Thomas Howell 1932-9-18 10770 Sonoma Bed of slough draining Kenwood Marsh Comment
  CAS-BOT-BC421856  Rumex conglomeratus John Thomas Howell 1938-7-3 13962 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC433408  Rumex crispus John Thomas Howell 1955-8-6 30892 Sonoma 1 mile southeast of Bloomfield on road to Two Rock Comment
  CAS-BOT-BC433868  Rumex salicifolius John Thomas Howell 1957-10-12 32997 Sonoma About 1 mi. sw. of Sonoma Comment
  CAS-BOT-BC443680  Claytonia perfoliata subsp. perfoliata John Thomas Howell 1946-3-31 21590 Sonoma Sonoma Comment
  CAS-BOT-BC443681  Claytonia perfoliata subsp. perfoliata John Thomas Howell 1931-4-2 6040 Sonoma Kenwood Comment
  CAS-BOT-BC445562  Damasonium californicum John Thomas Howell 1937-6-6 13012 Sonoma Sebastopol Comment
  CAS-BOT-BC445780  Sagittaria latifolia John Thomas Howell 1946-8-17 22879 Sonoma The Laguna just east of Sebastopol Comment
  CAS-BOT-BC451699  Lilaea scilloides John Thomas Howell 1951-5-28 s.n. Sonoma Laguna east of Sebastopol Comment
  CAS-BOT-BC467189  Arenaria serpyllifolia var. serpyllifolia John Thomas Howell 1935-5-5 12602 Sonoma Spontaneous in M.S. Baker garden near Kenwood Comment
  CAS-BOT-BC469108  Allium dichlamydeum John Thomas Howell 1930-6-8 5282 Sonoma 8.5 miles north of Bodega Bay Comment
  CAS-BOT-BC478829  Allium vineale John Thomas Howell 1976-6-22 51809 Sonoma Sonoma Joe's Restaurant, Petaluma Comment
  CAS-BOT-BC487730  Brodiaea terrestris subsp. terrestris John Thomas Howell 1945-5-30 20904 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC498776  Camassia quamash subsp. linearis John Thomas Howell 1945-5-30 20905 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC49944  Ceanothus gloriosus var. exaltatus John Thomas Howell 1931-6-15 6692 Sonoma Two miles north of Sebastopol Comment
  CAS-BOT-BC502220  Dichelostemma capitatum John Thomas Howell 1931-4-18 6428 Sonoma 8 miles n. of Bay Comment
  CAS-BOT-BC508139  Fritillaria recurva John Thomas Howell 1934-3-26 11782 Sonoma Southwestern base of Mt. Hood Comment
  CAS-BOT-BC511498  Maianthemum stellatum John Thomas Howell 1924-3-23 298 Sonoma Camp Meeker Comment
  CAS-BOT-BC519554  Triantha occidentalis subsp. occidentalis John Thomas Howell 1945-7-18 s.n. Sonoma Sonoma: Pitkin Marsh Comment
  CAS-BOT-BC519555  Triantha occidentalis subsp. occidentalis John Thomas Howell 1945-8-14 21407 Sonoma Sonoma: Perry Marsh Comment
  CAS-BOT-BC522375  Triteleia hyacinthina John Thomas Howell 1945-5-30 20907 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC527043  Triteleia laxa John Thomas Howell 1931-6-15 6689 Sonoma Near Sebastopol Comment
  CAS-BOT-BC527044  Triteleia laxa John Thomas Howell 1930-6-8 5259 Sonoma 1 mile east of Bodega Bay Comment
  CAS-BOT-BC527254  Lemna gibba John Thomas Howell 1946-9-20 23028 Sonoma Near Twin Rocks Comment
  CAS-BOT-BC527966  Triteleia peduncularis John Thomas Howell 1937-6-6 13037 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC527967  Triteleia peduncularis John Thomas Howell 1947-6-5 s. n. Sonoma Cunninghan Marsh Comment
  CAS-BOT-BC527968  Triteleia peduncularis John Thomas Howell 1935-5-5 12606 Sonoma Low Field near Kenwood Comment
  CAS-BOT-BC530463  Zigadenus fontanus John Thomas Howell 1938-7-3 13961 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC536157  Horkelia californica John Thomas Howell 1930-6-8 5279 Sonoma 8 miles north of Bodega Bay Comment
  CAS-BOT-BC536158  Horkelia californica John Thomas Howell 1930-7-27 5389 Sonoma Fort Ross Comment
  CAS-BOT-BC55497  Hornungia procumbens John Thomas Howell 1934-3-25 11781 Sonoma Cuttings Wharf on Napa River. Comment
  CAS-BOT-BC57210  Equisetum hyemale subsp. affine John Thomas Howell 1931-9-26 8088 Sonoma Creek bottom at Northwood near Monte Rio on the Russian River Comment
  CAS-BOT-BC57211  Equisetum hyemale subsp. affine John Thomas Howell 1931-9-26 8088 Sonoma Creek bottom at Northwood near Monte Rio on the Russian River Comment
  CAS-BOT-BC57737  Isoetes howellii John Thomas Howell 1934-3-27 11805 Sonoma Summit of Bennett Valley road from Glen Ellen to Santa Rosa Comment
  CAS-BOT-BC57739  Isoetes howellii John Thomas Howell 1934-3-27 11805 Sonoma Summit of Bennett Valley road from Glen Ellen to Santa Rosa Comment
  CAS-BOT-BC61920  Isoetes nuttallii John Thomas Howell; Catherine Best 1981-4-2 53932 Sonoma Fairfield Osborn Preserve of The Nature Conservancy, Sonoma Mt. east of Cotati Comment
  CAS-BOT-BC62199  Selaginella wallacei John Thomas Howell 1926-11-14 2251 Sonoma Hills east of Santa Rosa Comment
  CAS-BOT-BC66804  Thysanocarpus curvipes John Thomas Howell 1931-4-4 6176 Sonoma Santa Rosa Canyon. Comment
  CAS-BOT-BC66805  Thysanocarpus curvipes John Thomas Howell 1931-4-4 6177 Sonoma Santa Rosa Canyon. Comment
  CAS-BOT-BC66810  Thysanocarpus curvipes John Thomas Howell 1934-3-26 11793 Sonoma Knight Valley. Comment
  CAS-BOT-BC66951  Thysanocarpus laciniatus John Thomas Howell 1934-3-27 11802 Sonoma Santa Rosa Creek Canyon. Comment
  CAS-BOT-BC67337  Thysanocarpus radians John Thomas Howell 1934-3-27 11804 Sonoma Summit of Bennett Valley road from Glen Ellen to Santa Rosa. Comment
  CAS-BOT-BC75486  Bolboschoenus glaucus John Thomas Howell 1987-5-17 s.n. Sonoma Llano Road Marsh. Comment
  CAS-BOT-BC7769  Delphinium variegatum subsp. variegatum John Thomas Howell 1941-4-5 16175 Sonoma 1 mile S of El Verano Comment
  CAS-BOT-BC7770  Delphinium variegatum subsp. variegatum John Thomas Howell 1941-4-5 16175 Sonoma 1 mile S of El Verano Comment
  CAS-BOT-BC87234  Streptanthus glandulosus subsp. glandulosus John Thomas Howell 1931-4-4 6178 Sonoma Santa Rosa Canyon, north of Mount Hood. Comment
  CAS-BOT-BC89741  Lepidium latifolium John Thomas Howell 1966-6-2 41550 Sonoma South of Schellville near Black Point road. Comment
  CAS-BOT-BC90491  Artemisia douglasiana John Thomas Howell 1926-11-14 2253 Sonoma Two miles east of Santa Rosa Comment
  CAS-BOT-BC98572  Symphyotrichum lentum John Thomas Howell 1932-9-18 10783 Sonoma Along Sonoma Creek on Lower Road to Glen Ellen 3 miles from Kenwood Comment
  CAS-BOT-BC9893  Delphinium nudicaule John Thomas Howell 1931-4-18 6427 Sonoma 8 miles N of Bay Comment
  CAS-BOT-BC9894  Delphinium nudicaule John Thomas Howell 1931-4-18 6427 Sonoma 8 miles N of Bay Comment
  CDA2730  Allium vineale J. T. Howell 1976-6-2 51809 Sonoma At Sonoma Joe s, Petaluma. 0 Comment
  CDA5256  Filago pyramidata var. pyramidata J. T. Howell 1976-4-26 51595 Sonoma Hills east of Geyserville on road to Geysers. 0 Comment
  CDA6866  Carduus pycnocephalus J. T. Howell, Alice Eastwood 1938-5-15 5505 Sonoma Near Mark West Springs. 0 Comment
  CDA8947  Tracyina rostrata J. T. Howell 1967-6-17 42599 Sonoma Near ranch house on Arthur E. Cooley ranch at forks of Dry & Galloway Creeks. Northern Sonoma County. Comment
  POM179716  Cirsium brevistylum J. T. Howell 1930-6-8 5245 Sonoma 2 miles east of Bodega. Comment
  POM180614  Isolepis cernua J. T. Howell 1930-6-8 5276 Sonoma Salt marsh at north end of Bodega Bay. Comment
  POM180617  Orthocarpus faucibarbatus var. albidus J. T. Howell 1930-6-8 5278 Sonoma Hillside overlooking the ocean, 8 miles N of Bodega Bay Comment
  POM180622  Horkelia californica J. T. Howell 1930-6-8 5279 Sonoma Hillside overlooking the ocean, 8 miles N of Bodega Bay Comment
  POM180690  Clarkia amoena subsp. amoena J. T. Howell 1930-7-27 5410 Sonoma 8 miles south of Fort Ross Comment
  POM180750  Nemophila heterophylla J. T. Howell 1929-6-30 4315 Sonoma 6 miles from Petrified Forest on road to Knights Valley. Comment
  POM180770  Eriogonum latifolium J. T. Howell 1930-7-27 5414 Sonoma Exposed ocean bluff, 4 miles N of Bodega Bay. Comment
  POM180772  Castilleja wightii J. T. Howell 1930-7-27 5412 Sonoma Exposed ocean bluff, 4 miles N of Bodega Bay. Comment
  POM181070  Hemizonia fitchii J. T. Howell 1930-9-14 5485 Sonoma 6 miles N of Geyserville. Comment
  POM181139  Hemizonia lutescens J. T. Howell 1930-7-27 5409 Sonoma 8 miles south of Fort Ross Comment
  POM193922  Collomia heterophylla J. T. Howell 1929-6-30 4317 Sonoma 6 miles from Petrified Forest on road to Knights Valley Comment
  POM194199  Galium porrigens J. T. Howell 1929-6-9 4297 Sonoma 2 miles N of Sonoma Comment
  POM203033  Isoetes howellii J. T. Howell 1934-3-27 11805 Sonoma Summit of Bennett Valley road from Glen Ellen to Santa Rosa Comment
  POM203996  Leptosiphon acicularis J. T. Howell 1935-4-2 10932 Sonoma Sonoma Creek Canyon Comment
  POM204149  Plagiobothrys greenei J. T. Howell 1934-3-27 11803 Sonoma Summit of Bennett Valley road from Glen Ellen to Santa Rosa Comment
  POM222729  Triteleia peduncularis J. T. Howell 1935-5-5 12606 Sonoma Low field near Kenwood. Comment
  POM225313  Polygonum punctatum J. T. Howell 1932-9-18 10770 Sonoma Kenwood Marsh near Kenwood Comment
  POM225314  Melissa officinalis J. T. Howell 1932-9-18 10771 Sonoma Bed of slough draining Kenwood Marsh. Comment
  POM225355  Madia sativa J. T. Howell 1932-9-18 10765 Sonoma South base of Mt. Hood, on Sonoma Creek Comment
  POM225839  Lotus humistratus J. T. Howell 1931-4-19 6434 Sonoma Spring Mountain Road, 7.5 miles from St. Helena. Comment
  POM248596  Carex dudleyi J. T. Howell 1938-7-3 13948 Sonoma Stony Point. Comment
  POM258874  Navarretia mellita J. T. Howell 1937-7-4 13075 Sonoma Near Petrified Forest. Comment
  POM259278  Eryngium armatum J. T. Howell 1938-7-3 13947 Sonoma Stony Point. Comment
  POM259280  Eryngium aristulatum var. aristulatum J. T. Howell 1933-8-27 11619 Sonoma Low lands bordering the San Pablo Bay southwest of Sonoma Comment
  POM259748  Eryngium aristulatum var. aristulatum J. T. Howell 1934-3-26 11806 Sonoma Summit of Bennet Valley road from Glen Ellen to Santa Rosa Comment
  POM259750  Eryngium aristulatum var. aristulatum J. T. Howell 1933-4-1 10927 Sonoma 3 miles northeast of Petaluma Comment
  POM361574  Lasthenia macrantha subsp. macrantha J. T. Howell 1931-4-18 6425 Sonoma 8 miles N of Bay Comment
  POM361720  Layia chrysanthemoides J. T. Howell 1931-4-1 6036 Sonoma 9 miles SW of Sonoma on road to San Rafael. Comment
  RSA0000226  Carex sonomensis J. T. Howell, J. W. Stacey 1937-6-6 13042 Sonoma Pitkin Marsh. Comment
  RSA0000227  Carex sonomensis J. T. Howell, J. W. Stacey 1937-6-6 13042 Sonoma Pitkin Marsh. Comment
  RSA0001224  Grindelia hirsutula var. brevisquama J. T. Howell 1930-6-8 5221 Sonoma 8 miles w. of Petaluma. Comment
  RSA0003106  Arctostaphylos densiflora J. T. Howell 1933-4-2 10951 Sonoma 8 miles west of Santa Rosa Comment
  RSA0005478  Ceanothus confusus J. T. Howell 1937-7-4 13080 Sonoma Rincon Ridge, northeast of Santa Rosa. Comment
  RSA0005479  Ceanothus confusus J. T. Howell 1937-7-4 13080 Sonoma Rincon Ridge, northeast of Santa Rosa. Comment
  RSA0005480  Ceanothus confusus J. T. Howell 1937-7-4 13080 Sonoma Rincon Ridge, northeast of Santa Rosa. Comment
  RSA0005481  Ceanothus confusus J. T. Howell 1937-4-11 12897 Sonoma Rincon Ridge northeast of Santa Rosa. Comment
  RSA0015998  Lythrum hyssopifolia J. T. Howell 1930-6-8 5233 Sonoma 4 miles east of Valley Ford. Comment
  RSA0021904  Ribes menziesii J. T. Howell 1934-3-3 11737 Sonoma 8 miles S of Fort Ross. Comment
  RSA0039329  Thysanocarpus curvipes var. curvipes John Thomas Howell 1933-4-2 10936 Sonoma Sonoma Creek Canyon. Comment
  RSA0070858  Cirsium quercetorum J. T. Howell 1930-6-8 5247 Sonoma 1 mile east of Bodega Bay. Comment
  RSA0070859  Cirsium quercetorum J. T. Howell 1938-7-3 13953 Sonoma Stony Point. Comment
  RSA0074773  Sedum spathulifolium J. T. Howell 1930-6-8 5262 Sonoma 1 mile east of Bodega Bay. Comment
  RSA0089978  Amsinckia helleri J. T. Howell 1948-4-18 24208 Sonoma Hills east of Agua Caliente. Comment
  RSA0125506  Arabis blepharophylla J. T. Howell 1930-6-8 5253 Sonoma 1 mile east of Bodega Bay. Comment
  RSA0125832  Arabis glabra J. T. Howell 1930-6-8 5291 Sonoma 8.5 miles N of Bodega Bay Comment
  RSA121027  Phacelia distans J. T. Howell 1955-8-6 30894 Sonoma Near Bodega Head. Comment
  RSA121037  Sparganium erectum subsp. stoloniferum J. T. Howell 1955-8-6 30891 Sonoma 1 mile southeast of Bloomfield on road to Two Rock. Comment
  RSA126163  Amaranthus hybridus J. T. Howell 1946-8-17 s.n. Sonoma Cunningham Comment
  RSA127055  Lemna gibba J. T. Howell 1946-9-20 23028 Sonoma Near Twin Rocks Comment
  RSA127248  Pleuropogon californicus var. californicus J. T. Howell 1944-5-14 19484 Sonoma Between Petaluma and Chileno Valley. Comment
  RSA128936  Vicia villosa J. T. Howell 1944-5-14 19483 Sonoma Chileno Valley Comment
  RSA201428  Micropus amphibolus J. T. Howell 1965-3-25 s.n. Sonoma 3 miles southeast of Sonoma 76 Comment
  RSA201447  Phacelia imbricata subsp. imbricata J. T. Howell 1929-6-9 4302 Sonoma Two miles north of Sonoma. Comment
  RSA22444  Juncus covillei J. T. Howell 1937-7-4 13078 Sonoma Near Petrified Forest. Comment
  RSA26407  Delphinium variegatum J. T. Howell 1941-4-5 16175 Sonoma 1 mile S of El Verano Comment
  RSA26565  Phacelia distans J. T. Howell 1929-6-9 4306 Sonoma Near Petrified Forest. Comment
  RSA285079  Filago pyramidata J. T. Howell 1976-4-26 51595 Sonoma Hills E o Geyserville on road to Geysers Comment
  RSA402029B  Orthocarpus faucibarbatus J. T. Howell 1931-4-1 6038 Sonoma 9 miles SW of Sonoma on road to San Rafael. Comment
  RSA415822  Astragalus gambelianus J. T. Howell 1931-4-19 6433 Sonoma Spring Mountain Road, 7.5 miles from St. Helena. Comment
  RSA52330  Carex exsiccata J. T. Howell 1946-8-17 22858 Sonoma The Laguna east of Sebastopol Comment
  RSA78622  Trifolium grayi J. T. Howell 1943-5-10 17990 Sonoma 1 mile north of Windsor Comment
  RSA90984  Calendula arvensis J. T. Howell 1946-3-31 21591 Sonoma JOrchards and fields just east of Sonoma. Comment
  RSA91469  Isolepis carinata J. T. Howell 1937-6-6 13027 Sonoma Pitkin Marsh. Comment
  RSA93383  Brachypodium distachyon J. T. Howell 1948-4-18 24214 Sonoma Hills east of Agua Caliente. Comment
  RSA94068  Navarretia squarrosa J. T. Howell 1947-6-26 23318 Sonoma Cunningham Marsh Comment
  RSA94069  Rhynchospora californica J. T. Howell 1945-7-18 s.n. Sonoma Pitkin Marsh Comment
  RSA94070  Rhynchospora globularis var. recognita J. T. Howell 1945-8-14 21393 Sonoma Perry Marsh Comment
  RSA94071  Rhynchospora alba J. T. Howell 1945-7-18 s.n. Sonoma Pitkin Marsh Comment
  RSA94072  Juncus phaeocephalus var. phaeocephalus J. T. Howell 1947-6-26 23300 Sonoma Cunningham Marsh. Comment
  RSA94073  Juncus orthophyllus J. T. Howell 1945-7-18 21329 Sonoma Pitkin Marsh Comment
  RSA94074  Rhynchospora capitellata J. T. Howell 1945-8-14 s.n. Sonoma Perry Marsh Comment
  RSA94075  Rhynchospora capitellata J. T. Howell 1945-7-18 s.n. Sonoma Pitkin Marsh Comment
  RSA94087  Ludwigia palustris var. pacifica J. T. Howell 1945-8-14 21386 Sonoma Perry Marsh Comment
  RSA94088  Juncus dubius J. T. Howell 1945-7-18 21326 Sonoma Pitkin Marsh Comment
  RSA94089  Sagittaria latifolia J. T. Howell 1946-8-17 22879 Sonoma The Laguna east of Sebastopol Comment
  RSA94090  Agrostis stolonifera J. T. Howell 1947-6-26 23302 Sonoma Cunningham Marsh Comment
  RSA94091  Cornus californica J. T. Howell 1946-8-17 22874 Sonoma Cunningham Marsh. Comment
  RSA94092  Cuscuta campestris J. T. Howell 1946-8-17 22851 Sonoma The Laguna north of Sebastopol Comment
  RSA94093  Rhynchospora globularis var. recognita J. T. Howell 1945-7-18 21324 Sonoma Pitkin Marsh Comment
  RSA94094  Paspalum dilatatum J. T. Howell 1946-8-17 22860 Sonoma Cunningham Marsh. Comment
  RSA94095  Calamagrostis bolanderi J. T. Howell 1947-6-5 23235 Sonoma Cunningham Marsh Comment
  RSA94096  Hemizonia congesta J. T. Howell 1945-8-14 21408 Sonoma Perry Marsh Comment
  RSA94097  Sidalcea calycosa subsp. calycosa J. T. Howell 1945-8-14 21387 Sonoma Perry Marsh Comment
  RSA94098  Epilobium hallianum J. T. Howell 1947-6-26 23290 Sonoma Cunningham Marsh. Comment
  RSA97602  Clarkia purpurea subsp. quadrivulnera J. T. Howell 1945-7-18 21315 Sonoma Dry slope bordering Pitkin Marsh Comment
  RSA97645  Horkelia tenuiloba J. T. Howell 1945-5-30 s.n. Sonoma Vine Hill School Comment
  RSA99617  Calendula arvensis J. T. Howell 1954-4-1 29138 Sonoma Just east of Shellville. Comment
  SBBG27233  Eryngium aristulatum var. aristulatum J. T. Howell 1933-8-27 11619 Sonoma San Pablo Bay SW of Sonoma Comment
  SBBG39553  Phacelia imbricata J. T. Howell 1929-6-9 4305 Sonoma 6.5 miiles from Santa Rosa on rd to Petrified Forest Comment
  SD22291  Eriogonum latifolium John Thomas Howell 1930-7-27 5413 Sonoma Marine bluff, 4 miles north of Bodega Bay Comment
  SD22292  Eriogonum latifolium John Thomas Howell 1930-7-27 5415 Sonoma Marine bluff, 4 miles north of Bodega Bay Comment
  SD22296  Eriogonum latifolium John Thomas Howell 1930-7-27 5414 Sonoma Marine bluff, 4 miles north of Bodega Bay Comment
  SD71410  Micropus amphibolus John Thomas Howell 1965-3-25 41033 Sonoma 3.0 miles southeast of Sonoma. 74 Comment
  SD72089  Phacelia imbricata John Thomas Howell 1929-6-9 4302 Sonoma 2.0 miles north of Sonoma. Comment
  SEINET10514423  Briza minor John Thomas Howell 1934-3-25 Howell s.n. Sonoma Petaluma. Comment
  SEINET10534094  Brodiaea laxa John Thomas Howell 1931-6-15 Howell 6689 Sonoma Near Sebastopol, California Comment
  SEINET10724137 Image available Grindelia hirsutula John Thomas Howell 1930-6-8 Howell 5221 Sonoma 8 miles west of Petaluma. Clay soil. Comment
  SEINET10826797  Pleuropogon californicus var. californicus John Thomas Howell 1944-5-14 Howell 19484 Sonoma Between Petaluma & Chileno Valley. Comment
  SEINET10827987  Danthonia californica var. americana Thomas J. Howell 1935-5-5 Howell 12611 Sonoma Low hills, 6 miles from Santa Rosa, on road to Sonoma. Comment
  SEINET10872993  Campanula californica Howell 1945-8-14 Howell 21402 Sonoma Perry Marsh Comment
  SEINET11091467 Image available Lupinus sericatus John Thomas Howell 1935-5-5 3672 Sonoma Near summit of Triniti P.O Road, Mt. Hood Range, Sonoma co Comment
  SEINET11690138  Digitaria ischaemum J. T. Howell, Best, C. 1986-1 s.n. Sonoma Sonma State Campus, Rohnert Park Comment
  SEINET11690140  Lolium multiflorum J. T. Howell, Knight, W.; Knight, I. 1987-1 6310 Sonoma Todd Road Preserve 24 Comment
  SEINET11690141  Avena barbata J. T. Howell, Knight, W.; Knight, I. 1987-1 6231 Sonoma Todd Road Preserve 24 Comment
  SEINET11690142  Hordeum brachyantherum J. T. Howell, Knight, W.; Knight, I. 1987-1 6246 Sonoma Todd Road Preserve 24 Comment
  SEINET11690143  Hordeum murinum subsp. leporinum J. T. Howell, Knight, W.; Knight, I. 1987-1 6232 Sonoma corner Todd & Llamo Rds, Todd Road Preserve 24 Comment
  SEINET11690144  Bromus hordeaceus J. T. Howell, Knight, W.; Knight, I. 21 May 198? 6227 Sonoma Todd Road Preserve 24 Comment
  SEINET11690145  Hordeum marinum subsp. gussoneanum J. T. Howell, Knight, W.; Knight, I. 20 May 198? 6234 Sonoma Todd Road Preserve, corner Todd & Llamo Rds 24 Comment
  SEINET11690146  Phalaris lemmonii J. T. Howell, Knight, I.; Knight, W. 1987-1 6249 Sonoma Todd Road Preserve 24 Comment
  SEINET11690147  Elymus glaucus J. T. Howell, Knight, W.; Knight, I. 1987-1 6229 Sonoma Todd Road Preserve 24 Comment
  SEINET11690148  Lolium multiflorum J. T. Howell, Knight, W.; Knight, I. 1987-1 6231 Sonoma Todd Road Preserve, NE corner of Llano & Todd Rds 24 Comment
  SEINET11690289  Phalaris aquatica J. T. Howell, Knight, W.; Knight, I. 1986-1 6125 Sonoma Llano Road between Growenstein Hwy and Todd Road Comment
  SEINET12044683  Dichelostemma capitatum J. T. Howell 1931-1 6428 Sonoma 8 m N of Bay Comment
  SEINET208607  Filago gallica J. T. Howell 1965-3-25 41033 Sonoma 3 mi SE of Sonoma 76 Comment
  SEINET4469615 Image available Carex sonomensis J. T. Howell, J. W. Stacey 1937-1 13042 Sonoma Pitkin Marsh Comment
  SEINET7485357 Image available Carex lemmonii John Thomas Howell 1957-1 s.n. Sonoma Pitkin Marsh Comment
  SEINET7546774  Rhynchospora californica J. T. Howell 1936-1 12679 Sonoma Pitkin Marsh, 5 mi. N of Sebastopol Comment
  SEINET7546986  Carex albida J. T. Howell, J. W. Stacey 1937-1 Sonoma Comment
  SEINET7550703 Image available Carex athrostachya John Thomas Howell, J. W. Stacey 1937-6-6 13018 Sonoma Sebastopol. Comment
  SEINET7551513 Image available Carex barbarae John Thomas Howell, J. W. Stacey 1937-6-6 13023 Sonoma Sebastopol. Comment
  SEINET7552671 Image available Carex brevicaulis John Thomas Howell 1955-6-2 30258 Sonoma Near Vine Hill school Comment
  SEINET7556705 Image available Carex densa John Thomas Howell 1935-5-5 12605 Sonoma Near Kenwood. Comment
  SEINET7558582 Image available Carex feta John Thomas Howell, J. W. Stacey 1937-6-6 13038 Sonoma Pitkin Marsh. Comment
  SEINET7569416 Image available Carex nudata John Thomas Howell 1933-4-2 10931 Sonoma Sonoma Creek Canyon. Comment
  SEINET7570933 Image available Carex pellita John Thomas Howell, J. W. Stacey 1937-6-6 13041 Sonoma Pitkin Marsh. Comment
  SEINET7589075 Image available Isolepis carinata John Thomas Howell 1937-6-6 13027 Sonoma Pitkin Marsh. Comment
  SEINET944633  Brachypodium distachyon John Thomas Howell 1959-1 Sonoma Hills east of Agua Caliente, Sonomo County. Comment
  UC1713657  Scutellaria tuberosa John Thomas Howell 1937-4-11 12891 Sonoma e of Glen Ellen (Triniti Mountain); Triniti Mountain Comment
  UC526161  Plagiobothrys greenei John Thomas Howell 1934-3-27 11803 Sonoma summit of Bennett Valley Road from Glen Ellen to Santa Rosa Comment
  UC884215  Scutellaria tuberosa John Thomas Howell 1937-4-11 12891 Sonoma e of Glen Ellen (Triniti Mountain); Triniti Mountain Comment
  UCD103125  Erodium brachycarpum John Thomas Howell 1965-3-25 s.n. Sonoma Southwest of Sonoma. Comment
  UCD103129  Erodium brachycarpum John Thomas Howell 1957-10-12 33002 Sonoma About 1 mile SW of Sonoma. Comment
  UCD105742  Lupinus affinis John Thomas Howell 1976-4-26 51596 Sonoma hills east of Geyserville on road to Geysers. Comment
  UCD114519  Cardamine hirsuta John Thomas Howell 1946-3-31 21589 Sonoma Sonoma. Comment
  UCD115699  Lepidium latifolium John Thomas Howell 1966-6-2 41550 Sonoma South of Schellville near Black Pt. road. Comment
  UCD120407  Phacelia distans John Thomas Howell 1935-5-5 12622 Sonoma Mouth of Sonoma Creek Canyon. Comment
  UCD120591  Phacelia imbricata John Thomas Howell 1929-6-9 4307 Sonoma On road to Petrified Forest, 7.5 miles from Santa Rosa. Comment
  UCD126523  Datura stramonium John Thomas Howell 1945-7-18 21313 Sonoma College Ave., west of Santa Rosa. Comment
  UCD128160  Torilis arvensis John Thomas Howell; Gordon H. True 1967-6-17 42596 Sonoma Arthur E. Cooley ranch at confluence of Galloway and Dry Creeks. 1036 Comment
  UCD129656  Calendula arvensis John Thomas Howell 1954-4-1 29138 Sonoma east of Shellville. Comment
  UCD132350  Filago pyramidata var. pyramidata John Thomas Howell 1976-4-26 51595 Sonoma hills east of Geyserville on road to Geysers. Comment
  UCD134481  Micropus amphibolus John Thomas Howell 1965-3-25 41033 Sonoma 3 miles southeast of Sonoma. 76 Comment
  UCD145304  Danthonia californica John Thomas Howell 1957-6-13 32622 Sonoma bordering Pitkin Marsh. Comment



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