Search Results — 2000 specimen records retrieved (1448 records with coordinates)
(That's the default maximum. Contact Jason Alexander for larger data requests.)

Results for search: County=MARIN; Source=All; Collector=Howell;   

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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC100970  Cirsium hydrophilum var. vaseyi John Thomas Howell 1936-6-7 12657 Marin area near Bootjack, Mt. Tamalpais Comment
  CAS-BOT-BC10176  Delphinium hesperium John Thomas Howell 1945-5-20 20869 Marin Tiburon Comment
  CAS-BOT-BC10179  Delphinium hesperium John Thomas Howell 1946-5-19 21928 Marin Saddle between Big and Little Carson Canyons Comment
  CAS-BOT-BC10181  Delphinium hesperium John Thomas Howell 1946-6-9 21998 Marin Abbotts Lagoon Comment
  CAS-BOT-BC103069  Salix bonplandiana John Thomas Howell 1969-4-27 45562 Marin Bed of Lagunitas Creek north of Tocaloma Comment
  CAS-BOT-BC104148  Salix hindsiana John Thomas Howell 1939-9-3 15347 Marin San Antonio Creek Comment
  CAS-BOT-BC104419  Quercus X subconvexa John Thomas Howell; John Tucker 1947-8-31 24175 Marin Ridgecrest Road N of Alpine Lake Comment
  CAS-BOT-BC104421  Quercus X subconvexa John Thomas Howell 1959-8-23 34601 Marin near Barths Retreat, Mt. Tamalpais Comment
  CAS-BOT-BC105260  Quercus kelloggii John Thomas Howell 1940-9-22 s.n. Marin Phoenix lake, Mt. Tamalpais Comment
  CAS-BOT-BC105831  Cirsium andrewsii John Thomas Howell 1939-6-4 14720 Marin Pt. Reyes Lighthouse Comment
  CAS-BOT-BC105832  Cirsium andrewsii John Thomas Howell 1939-6-4 14719 Marin Pt. Reyes Lighthouse Comment
  CAS-BOT-BC105833  Cirsium andrewsii John Thomas Howell 1933-7-30 11478 Marin Marsh near summit of road from Inverness to Pt. Reyes Comment
  CAS-BOT-BC105834  Cirsium andrewsii John Thomas Howell 1933-7-30 11478 Marin Marsh near summit of road from Inverness to Pt. Reyes Comment
  CAS-BOT-BC105835  Cirsium andrewsii John Thomas Howell 1939-6-4 14719 Marin Pt. Reyes Lighthouse Comment
  CAS-BOT-BC105836  Cirsium andrewsii John Thomas Howell 1939-7-2 14818 Marin Elk Valley, east of Tennessee Cove Comment
  CAS-BOT-BC105837  Cirsium andrewsii John Thomas Howell 1946-6-30 22129 Marin Marsh east of Rodeo Lagoon Comment
  CAS-BOT-BC105838  Cirsium andrewsii John Thomas Howell 1939-6-4 14719 Marin Pt. Reyes Lighthouse Comment
  CAS-BOT-BC105842  Cirsium andrewsii John Thomas Howell 1947-6-18 23275 Marin Ocean bluffs, Dillons Beach Comment
  CAS-BOT-BC105843  Cirsium andrewsii John Thomas Howell 1930-6-22 5321 Marin Marsh land in valley above Rodeo Lagoon Comment
  CAS-BOT-BC107308  Salix lasiolepis var. bigelovii John Thomas Howell 1946-7-4 22180 Marin Dillons Beach Comment
  CAS-BOT-BC107310  Salix lasiolepis var. bigelovii John Thomas Howell 1946-4-14 21614 Marin Near Tomales Comment
  CAS-BOT-BC108924  Ribes divaricatum var. pubiflorum John Thomas Howell 1941-7-6 16357 Marin Kent Trail, Mount Tamalpais. Comment
  CAS-BOT-BC110188  Carex buxbaumii John Thomas Howell 1947-6-4 23213 Marin Swale near radio station, Point Reyes Peninsula. Comment
  CAS-BOT-BC110190  Carex buxbaumii John Thomas Howell 1947-6-4 23213 Marin Point Reyes Peninsula. Swale near radio station. Comment
  CAS-BOT-BC111241  Schoenoplectus californicus John Thomas Howell 1944-7-9 19721 Marin South of Tomales Bay Comment
  CAS-BOT-BC111242  Schoenoplectus californicus John Thomas Howell 1944-9-10 20721 Marin Marshes north of Olema Comment
  CAS-BOT-BC111244  Schoenoplectus californicus John Thomas Howell 1945-8-19 21439 Marin Salt marsh at head of Drakes Bay. Comment
  CAS-BOT-BC111246  Schoenoplectus californicus John Thomas Howell 1946-8-23 22892 Marin Pierce Pt. road, Pt. Reyes Peninsula. Comment
  CAS-BOT-BC111309  Schoenoplectus acutus var. occidentalis John Thomas Howell 1944-6-25 19658 Marin Salt marsh between Santa Venetia and Chinese Camp Comment
  CAS-BOT-BC111311  Schoenoplectus acutus var. occidentalis John Thomas Howell 1946-9-15 23007 Marin Hidden Lake Comment
  CAS-BOT-BC111314  Schoenoplectus acutus var. occidentalis John Thomas Howell 1946-6-30 22169 Marin Rodeo Lagoon Comment
  CAS-BOT-BC111315  Schoenoplectus acutus var. occidentalis John Thomas Howell 1946-7-4 22184 Marin East of Aurora School at Sonoma Co. line. Comment
  CAS-BOT-BC111316  Schoenoplectus acutus var. occidentalis John Thomas Howell 1946-6-13 22031 Marin Chileno Valley Comment
  CAS-BOT-BC111317  Schoenoplectus acutus var. occidentalis John Thomas Howell 1946-9-20 23016 Marin Laguna in Chileno Valley Comment
  CAS-BOT-BC111318  Schoenoplectus acutus var. occidentalis John Thomas Howell 1947-6-18 23260 Marin Laguna, Chileno Valley Comment
  CAS-BOT-BC111569  Schoenoplectus americanus John Thomas Howell 1945-7-8 s.n. Marin Burdell Comment
  CAS-BOT-BC111705  Schoenoplectus pungens var. badius John Thomas Howell 1945-5-20 20872 Marin Tiburon Comment
  CAS-BOT-BC111706  Schoenoplectus pungens var. badius John Thomas Howell 1944-9-24 20742 Marin Stinson Beach Comment
  CAS-BOT-BC111828  Schoenoplectus tabernaemontani John Thomas Howell 1944-7-9 19720 Marin South of Tomales Bay. Comment
  CAS-BOT-BC111890  Rhynchospora californica John Thomas Howell 1945-8-19 21424 Marin Near Ledum Swamp 182 Comment
  CAS-BOT-BC112025  Eleocharis suksdorfiana John Thomas Howell 1947-6-4 23210 Marin Swale near radio station, Pt. Reyes Peninsula Comment
  CAS-BOT-BC112255  Eleocharis rostellata John Thomas Howell 1966-5-25 41537 Marin Gully just north of garden area, John Thomas Howell Botanical Garden, Tiburon Comment
  CAS-BOT-BC112256  Eleocharis rostellata John Thomas Howell 1945-5-20 20870 Marin Tiburon Comment
  CAS-BOT-BC112257  Eleocharis rostellata John Thomas Howell 1939-5-14 14685 Marin Azalea Flat, Mt. Tamalpais Comment
  CAS-BOT-BC112467  Isolepis cernua John Thomas Howell 1936-6-7 12649 Marin Ledum Swamp on road to Pt. Reyes Comment
  CAS-BOT-BC112865  Eleocharis macrostachya John Thomas Howell 1944-6-4 19568 Marin Mt. Vision west of Inverness Comment
  CAS-BOT-BC112866  Eleocharis macrostachya John Thomas Howell 1939-8-27 15315 Marin Mt. Vision west of Inverness Comment
  CAS-BOT-BC112867  Eleocharis macrostachya John Thomas Howell 1944-6-25 19640 Marin San Rafel Comment
  CAS-BOT-BC113359  Eleocharis engelmannii John Thomas Howell 1941-7-6 16362 Marin Hidden Lake, Mt. Tamalpais Comment
  CAS-BOT-BC115370  Carex utriculata John Thomas Howell 1947-6-4 23212 Marin Swale near radio station, Pt. Reyes Peninsula. Comment
  CAS-BOT-BC115583  Carex tumulicola John Thomas Howell 1945-6-3 s.n. Marin Shell Beach Comment
  CAS-BOT-BC115585  Carex tumulicola John Thomas Howell 1943-5-2 17929 A Marin Big Carson Canyon Comment
  CAS-BOT-BC115586  Carex tumulicola John Thomas Howell 1946-5-16 21851 Marin Angel Island, SE side. Comment
  CAS-BOT-BC115587  Carex tumulicola John Thomas Howell 1944-4-13 19370 Marin Big Rock Ridge W of Hamilton Field. Comment
  CAS-BOT-BC115588  Carex tumulicola John Thomas Howell 1949-5-25 25334 Marin Grassy flat behind dunes, Pt. Reyes Peninsula. Comment
  CAS-BOT-BC116892  Carex subbracteata var. subbracteata John Thomas Howell 1946-6-30 22152 Marin Rodeo Lagoon Comment
  CAS-BOT-BC116893  Carex subbracteata var. subbracteata John Thomas Howell 1945-5-27 20883 Marin NE of Mountain Theater, Mt. Tamalpais. Comment
  CAS-BOT-BC116895  Carex subbracteata var. subbracteata John Thomas Howell 1946-5-4 21723 Marin Rocks east of Dillons Beach Comment
  CAS-BOT-BC116898  Carex subbracteata var. subbracteata John Thomas Howell 1946-5-16 21858 Marin Angel Island, SE side. Comment
  CAS-BOT-BC116937  Carex subbracteata John Thomas Howell 1945-5-27 20883 Marin NE of Mountain Theater, Mt. Tamalpais. Comment
  CAS-BOT-BC116938  Carex subbracteata John Thomas Howell 1943-5-22 18158 Marin Lagunitas Meadows. Comment
  CAS-BOT-BC119036  Carex pellita John Thomas Howell 1939-6-4 14722 Marin Pt. Reyes Peninsula. Comment
  CAS-BOT-BC119037  Carex pellita John Thomas Howell; J. W. Stacey 1936-6-7 12639 Marin Ledum Swamp on road to Point Reyes. Comment
  CAS-BOT-BC124306  Euphorbia glyptosperma J. T. Howell 1988-7-14 s.n. Marin Terra Linda Community Gardens. Comment
  CAS-BOT-BC124308  Euphorbia maculata J. T. Howell 1988-7-20 s.n. Marin Terra Linda Community Gardens. Comment
  CAS-BOT-BC124334  Salix lasiolepis var. lasiolepis John Thomas Howell 1926-2-28 1649 Marin South side of Mt. Tamalpais Comment
  CAS-BOT-BC124342  Salix lasiolepis var. lasiolepis John Thomas Howell 1980-9-8 53898 Marin Between Alpine and Bon Tempe lakes Comment
  CAS-BOT-BC124346  Salix lasiolepis var. lasiolepis John Thomas Howell 1966-4-6 41470 Marin John Thomas Howell Botanical Garden, Tiburon Comment
  CAS-BOT-BC125941  Salix X rubens John Thomas Howell 1980-9-8 53899 Marin Between Alpine and Bon Tempe lakes Comment
  CAS-BOT-BC125981  Salix scouleriana John Thomas Howell 1946-2-24 21557 Marin At lower end of Murray Trail, Mt. Tamalpais Comment
  CAS-BOT-BC126422  Salix sitchensis John Thomas Howell 1947-3-23 23047 Marin Cataract Gulch, Mt. Tamalpais Comment
  CAS-BOT-BC126424  Salix sitchensis John Thomas Howell 1969-4-27 45561 Marin Bed of Lagunitas Creek north of Tocaloma Comment
  CAS-BOT-BC126427  Salix sitchensis John Thomas Howell 1947-6-18 23283 Marin Near Dillons Beach Comment
  CAS-BOT-BC126428  Salix sitchensis John Thomas Howell 1943-7-4 18263 Marin Ledum Swamp on road to Pt. Reyes Comment
  CAS-BOT-BC126431  Salix sitchensis John Thomas Howell 1949-4-27 25309 Marin Bluffs s. of Tomales Comment
  CAS-BOT-BC127187  Agrostis exarata John Thomas Howell 1944-6-4 19542 Marin Inverness Ridge west of Inverness. Comment
  CAS-BOT-BC127188  Agrostis exarata John Thomas Howell 1945-7-4 21274 Marin Inverness. Comment
  CAS-BOT-BC127199  Agrostis exarata John Thomas Howell 1945-6-3 20922 Marin Twin Beaches. Comment
  CAS-BOT-BC127201  Agrostis exarata John Thomas Howell 1947-5-30 23208 Marin Ross. Comment
  CAS-BOT-BC127203  Agrostis exarata John Thomas Howell 1946-7-7 22207 Marin Mount Tamalpais. Potrero Meadow. Comment
  CAS-BOT-BC127204  Agrostis exarata John Thomas Howell 1947-6-18 23265 Marin Laguna, Chileno Valley. Comment
  CAS-BOT-BC127205  Agrostis exarata John Thomas Howell 1946-6-13 22048 Marin East of Aurora School at Sonoma county line. Comment
  CAS-BOT-BC127206  Agrostis exarata John Thomas Howell 1946-6-16 22088 Marin Point Reyes Station. Comment
  CAS-BOT-BC127207  Agrostis exarata John Thomas Howell 1945-6-24 21237 Marin Mount Tamalpais. Willow Meadow. Comment
  CAS-BOT-BC127208  Agrostis exarata John Thomas Howell 1942-7-12 s.n. Marin Mount Tamalpais. Potrero Meadow. Comment
  CAS-BOT-BC127210  Agrostis exarata John Thomas Howell 1943-6-8 18219 Marin Tiburon. Comment
  CAS-BOT-BC127219  Agrostis exarata John Thomas Howell 1945-6-24 21234 Marin Mount Tamalpais. Laurel Dell. Comment
  CAS-BOT-BC127221  Agrostis exarata John Thomas Howell 1945-7-29 21345 Marin Bolinas. Comment
  CAS-BOT-BC127223  Agrostis exarata John Thomas Howell 1939-3-14 14661 Marin Phoenix Lake. Comment
  CAS-BOT-BC127224  Agrostis exarata John Thomas Howell 1944-9-10 20737 Marin Shell Beach north of Inverness. Comment
  CAS-BOT-BC127226  Agrostis exarata John Thomas Howell 1945-7-15 21310 Marin Near Liberty's. Comment
  CAS-BOT-BC127227  Agrostis exarata John Thomas Howell 1942-6-7 s.n. Marin San Anselmo Canyon. Comment
  CAS-BOT-BC127228  Agrostis exarata John Thomas Howell 1946-6-16 22088 Marin Point Reyes Station. Comment
  CAS-BOT-BC127426  Agrostis densiflora John Thomas Howell 1947-9-6 24180 Marin Dillons Beach. Comment
  CAS-BOT-BC127427  Agrostis densiflora John Thomas Howell 1945-6-12 20962 Marin Near radio station, Point Reyes Peninsula. Comment
  CAS-BOT-BC127472  Agrostis densiflora John Thomas Howell 1947-5-14 23156 Marin McClure Beach. Comment
  CAS-BOT-BC127473  Agrostis densiflora John Thomas Howell 1946-5-6 s.n. Marin Point Reyes Lighthouse. Comment
  CAS-BOT-BC127474  Agrostis densiflora John Thomas Howell 1946-6-30 22146 Marin Rodeo Lagoon. Comment
  CAS-BOT-BC127488  Agrostis capillaris John Thomas Howell 1945-6-12 20955 Marin Near radio station, Point Reyes Peninsula. Comment
  CAS-BOT-BC127490  Agrostis capillaris John Thomas Howell 1942-7-12 s.n. Marin Cascade Canyon, Mill Valley. Comment
  CAS-BOT-BC127501  Agrostis blasdalei John Thomas Howell; Catherine Best 1981-6-11 54067 Marin North Beach, Point Reyes Peninsula. Comment
  CAS-BOT-BC127502  Agrostis blasdalei John Thomas Howell 1947-5-14 23150 Marin Drakes Esters, west northwest of Mount Vision. Comment
  CAS-BOT-BC127503  Agrostis blasdalei John Thomas Howell 1946-5-26 21952 Marin Dune hill near radio station, Point Reyes Peninsula. Comment
  CAS-BOT-BC127504  Agrostis blasdalei John Thomas Howell 1945-9-13 21466 Marin Near radio station, Point Reyes Peninsula. Comment
  CAS-BOT-BC127505  Agrostis blasdalei John Thomas Howell 1947-5-14 23150 Marin Drakes Estero west northwest of Mount Vision. Comment
  CAS-BOT-BC127507  Agrostis blasdalei John Thomas Howell 1946-6-9 22006 Marin North of Abbotts Lagoon. Comment
  CAS-BOT-BC128101  Salix lasiandra var. lasiandra John Thomas Howell 1965-10-13 s.n. Marin John Thomas Howell Botanical Garden, Tiburon Comment
  CAS-BOT-BC128102  Salix lasiandra var. lasiandra John Thomas Howell 1966-4-6 41469 Marin John Thomas Howell Botanical Garden, Tiburon Comment
  CAS-BOT-BC128150  Salix lasiandra var. lasiandra John Thomas Howell 1980-9-8 53897 Marin Between Alpine and Bon Tempe Lakes Comment
  CAS-BOT-BC129504  Salix melanopsis John Thomas Howell 1945-9-16 21490 Marin Along railroad north of San Rafael Comment
  CAS-BOT-BC130738  Lilium pardalinum John Thomas Howell 1966-7-20 41994 Marin Area adjacent to the John Thomas Howell Botanical Garden, Tiburon Comment
  CAS-BOT-BC13125  Agoseris hirsuta John Thomas Howell 1940-5-20 15471 Marin Fairfax Comment
  CAS-BOT-BC13126  Agoseris hirsuta John Thomas Howell 1946-6-16 22071 Marin Inverness Park Comment
  CAS-BOT-BC13130  Agoseris hirsuta John Thomas Howell 1947-5-18 23181 Marin South end of Carson Ridge Comment
  CAS-BOT-BC13132  Agoseris hirsuta John Thomas Howell 1937-6-13 13050 Marin Bolinas Comment
  CAS-BOT-BC132562  Calochortus umbellatus John Thomas Howell 1946-5-12 21812 Marin Carson country Comment
  CAS-BOT-BC132566  Calochortus umbellatus John Thomas Howell 1925-4-5 905 Marin Pipeline Trail Comment
  CAS-BOT-BC132896  Adenostoma fasciculatum John Thomas Howell 1946-5-12 s.n. Marin Carson Ridge Comment
  CAS-BOT-BC135519  Cercocarpus betuloides var. betuloides John Thomas Howell 1939-8-27 15320 Marin Near Phoenix Lake Comment
  CAS-BOT-BC136589  Piperia michaelii John Thomas Howell 1941-6-10 16286 Marin Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC13727  Ambrosia chamissonis John Thomas Howell 1946-7-4 22174 Marin Dillons Beach Comment
  CAS-BOT-BC13728  Ambrosia chamissonis John Thomas Howell 1944-9-24 20755 Marin East side of Bolinas Lagoon Comment
  CAS-BOT-BC137931  Alopecurus saccatus John Thomas Howell 1946-5-4 21702 Marin East of Aurora School at Sonoma county line. Comment
  CAS-BOT-BC137932  Alopecurus saccatus John Thomas Howell 1947-6-18 23254 Marin Laguna, Chileno Valley. Comment
  CAS-BOT-BC138194  Aira praecox John Thomas Howell 1946-5-5 s.n. Marin Point Reyes dunes. Comment
  CAS-BOT-BC138658  Agrostis stolonifera John Thomas Howell 1944-7-9 19713 Marin South end of Tomales Bay. Comment
  CAS-BOT-BC138839  Agrostis microphylla John Thomas Howell 1966-6-9 41564 Marin Tiburon. Just north of John Thomas Howell Botanical Garden. Comment
  CAS-BOT-BC139026  Agrostis pallens John Thomas Howell 1943-7-4 18264 Marin Ledum Swamp on road to Point Reyes. Comment
  CAS-BOT-BC139027  Agrostis pallens John Thomas Howell 1943-7-4 18268 Marin Near Ledum Swamp. Comment
  CAS-BOT-BC139028  Agrostis pallens John Thomas Howell 1943-7-11 18285 Marin Mount Tamalpais. Near Bootjack. Comment
  CAS-BOT-BC139031  Agrostis pallens John Thomas Howell 1943-5-30 18183 Marin Mill Valley. Summit Avenue. Comment
  CAS-BOT-BC139032  Agrostis pallens John Thomas Howell 1946-6-30 22161 Marin Rodeo Lagoon. Comment
  CAS-BOT-BC139034  Agrostis pallens John Thomas Howell 1942-6-21 16981 Marin Carson Ridge. Comment
  CAS-BOT-BC139035  Agrostis pallens John Thomas Howell 1939-6-18 14781 Marin Near Mud Lake. Comment
  CAS-BOT-BC139036  Agrostis pallens John Thomas Howell 1939-6-18 14782 Marin Near Mud Lake. Comment
  CAS-BOT-BC139037  Agrostis pallens John Thomas Howell 1946-5-16 21876 Marin Angel Island, south side. Comment
  CAS-BOT-BC139042  Agrostis pallens John Thomas Howell 1939-7-16 s.n. Marin Fern Canyon, Mount Tamalpais. Comment
  CAS-BOT-BC139048  Agrostis pallens John Thomas Howell; Catherine Best 1981-6-11 54064 Marin Point Reyes Peninsula. North Beach. Comment
  CAS-BOT-BC139455  Agrostis hendersonii John Thomas Howell 1947-4-23 23062 Marin Drakes Estero west of Mount Vision. Comment
  CAS-BOT-BC139479  Agrostis hallii John Thomas Howell 1944-6-4 19560 Marin Near Mount Vision west of Inverness. Comment
  CAS-BOT-BC139491  Agrostis hallii John Thomas Howell 1945-8-19 21418 Marin Inverness. Comment
  CAS-BOT-BC139493  Agrostis hallii John Thomas Howell 1943-7-4 s.n. Marin Near Ledum Swamps on road to Point Reyes. Comment
  CAS-BOT-BC139664  Agrostis gigantea John Thomas Howell 1944-7-30 s.n. Marin Mill Valley. Near Locust Ave. Comment
  CAS-BOT-BC139666  Agrostis gigantea John Thomas Howell 1939-6-25 14810 Marin Near West Point, Mount Tamalpais. Comment
  CAS-BOT-BC139667  Agrostis gigantea John Thomas Howell 1953-7-5 29106 Marin East Peak, Mount Tamalpais. Comment
  CAS-BOT-BC139668  Agrostis gigantea John Thomas Howell 1941-7-6 16371 Marin Lake Lagunitas Meadows. Comment
  CAS-BOT-BC139670  Agrostis gigantea John Thomas Howell 1944-6-25 19644 Marin Santa Ventia. Comment
  CAS-BOT-BC141321  Phoradendron serotinum subsp. tomentosum John Thomas Howell 1945-2-22 20773 Marin Near Mountain Theater, Mt.Tamalpais Comment
  CAS-BOT-BC141322  Phoradendron serotinum subsp. tomentosum John Thomas Howell 1942-2-22 16932 Marin Along old stage road, West Point to Cypress, S side Mt.Tamalpais Comment
  CAS-BOT-BC141591  Cotoneaster pannosus John Thomas Howell 1959-11-4 35109 Marin Stinson Beach Comment
  CAS-BOT-BC141592  Cotoneaster pannosus John Thomas Howell 1959-11-4 35104 Marin Sausalito Comment
  CAS-BOT-BC142250  Physocarpus capitatus John Thomas Howell 1958-6-28 33638 Marin Stream bank, Willow Meadow, Mt. Tamalpais Comment
  CAS-BOT-BC143091  Potentilla anserina subsp. pacifica John Thomas Howell 1947-5-21 23194 Marin Tiburon Comment
  CAS-BOT-BC145418  Brachypodium distachyon John Thomas Howell 1949-6-7 25340 Marin Chileno Valley. Comment
  CAS-BOT-BC145420  Brachypodium distachyon John Thomas Howell 1947-5-21 23186 Marin Tiburon. Comment
  CAS-BOT-BC145779  Beckmannia syzigachne John Thomas Howell 1946-6-13 22019 Marin Hicks Valley. Comment
  CAS-BOT-BC146224  Avena J. T. Howell 1988-7-13 s.n. Marin Terra Linda. Comment
  CAS-BOT-BC146545  Rosa gymnocarpa John Thomas Howell 1946-5-16 21893 Marin Angel Island, n. side Comment
  CAS-BOT-BC146627  Carex mendocinensis John Thomas Howell; J. W. Stacey 1936-6-7 12658 Marin Near Bootjack, Mt. Tamalpais Comment
  CAS-BOT-BC146632  Carex mendocinensis John Thomas Howell 1940-5-26 15535 Marin Little Carson Falls Comment
  CAS-BOT-BC146638  Carex mendocinensis John Thomas Howell 1942-7-12 17020 Marin Potrero Meadow, Mt. Tamalpais Comment
  CAS-BOT-BC147490  Rosa californica John Thomas Howell 1944-7-2 s.n. Marin Potrero Meadow, Mt. Tamalpais Comment
  CAS-BOT-BC147502  Rosa californica John Thomas Howell 1944-6-25 19651 Marin Santa Venetia Comment
  CAS-BOT-BC147507  Rosa californica John Thomas Howell 1954-8-1 30017 Marin Azalea Flat, Mt. Tamalpais Comment
  CAS-BOT-BC147510  Rosa californica John Thomas Howell 1939-9-3 15349 Marin San Antonio Creek Comment
  CAS-BOT-BC148228  Rosa spithamea John Thomas Howell 1946-6-2 21978 Marin Rocky Ridge Fire Trail, Mt. Tamalpais Comment
  CAS-BOT-BC148909  Bromus carinatus var. marginatus John Thomas Howell 1948-5-31 24326 Marin Devils Gulch near Camp Taylor. Comment
  CAS-BOT-BC149176  Bromus carinatus var. carinatus John Thomas Howell 1943-5-9 17972 Marin San Rafael Hills. Comment
  CAS-BOT-BC149183  Bromus carinatus var. carinatus John Thomas Howell 1945-7-15 21307 Marin Near Liberty's. Comment
  CAS-BOT-BC149201  Bromus carinatus var. carinatus John Thomas Howell 1959-11-4 35114 Marin Shore of Bolinas Lagoon north of Stinson Beach. Comment
  CAS-BOT-BC149202  Bromus carinatus var. carinatus John Thomas Howell 1959-11-4 35114 Marin Shore of Bolinas Lagoon north of Stinson Beach. Comment
  CAS-BOT-BC149205  Bromus carinatus var. carinatus John Thomas Howell 1947-5-8 23141 Marin Sausalito. Comment
  CAS-BOT-BC149206  Bromus carinatus var. carinatus John Thomas Howell 1943-5-9 17955 Marin Rafael Hills. Comment
  CAS-BOT-BC149207  Bromus carinatus var. carinatus John Thomas Howell 1943-6-13 18233 Marin Sausalito. Comment
  CAS-BOT-BC149208  Bromus carinatus var. carinatus John Thomas Howell 1944-5-21 19489 Marin Mount Tamalpais. West end of Phoenix Lake. Comment
  CAS-BOT-BC149210  Bromus carinatus var. carinatus John Thomas Howell 1943-5-15 18099 Marin Tiburon Peninsula. Comment
  CAS-BOT-BC149221  Bromus carinatus var. carinatus John Thomas Howell 1944-6-4 19544 Marin Inverness Ridge west of Inverness. Comment
  CAS-BOT-BC149222  Bromus carinatus var. carinatus John Thomas Howell 1943-5-22 18120 Marin Fairfox. Comment
  CAS-BOT-BC149223  Bromus carinatus var. carinatus John Thomas Howell 1945-5-9 20838 Marin Between Hamilton Field and Ignacio. Comment
  CAS-BOT-BC149224  Bromus carinatus var. carinatus John Thomas Howell 1943-5-22 18124 Marin Deer Park near Fairfax. Comment
  CAS-BOT-BC149242  Bromus carinatus var. carinatus John Thomas Howell 1941-5-25 16219 Marin Mount Tamalpais. Rifle Camp. Comment
  CAS-BOT-BC149244  Bromus carinatus var. carinatus John Thomas Howell 1955-5-13 30149 Marin Sidewalk parking near East Blithedale Avenue at Park School, Mill Valley. Comment
  CAS-BOT-BC149245  Bromus carinatus var. carinatus John Thomas Howell 1943-6-6 18215 Marin Railroad grade above Muir Woods. Comment
  CAS-BOT-BC149248  Bromus carinatus var. carinatus John Thomas Howell 1943-6-6 18208 Marin Canyon below Muir Woods. Comment
  CAS-BOT-BC149250  Bromus carinatus var. carinatus John Thomas Howell 1959-11-4 35114 Marin Shore of Bolinas Lagoon north of Stinson Beach. Comment
  CAS-BOT-BC149643  Setaria pumila subsp. pumila J. T. Howell 1988-7-22 s.n. Marin Terra Linda community vegetable garden Comment
  CAS-BOT-BC151167  Prunus subcordata John Thomas Howell 1944-4-13 19369 Marin Big Rock Ridge west of Hamilton Field Comment
  CAS-BOT-BC151945  Diplacus douglasii John Thomas Howell 1941-5-18 16193 Marin Near Rock Spring, Mt. Tamalpais Comment
  CAS-BOT-BC154378  Phacelia suaveolens John Thomas Howell 1946-5-14 21842 Marin Potrero Meadow. Mt. Tamalpais Comment
  CAS-BOT-BC154382  Phacelia suaveolens John Thomas Howell 1946-6-2 21973 Marin Rocky Ridge Fire Trail, Mt. Tamalpais Comment
  CAS-BOT-BC155378  Bromus hordeaceus John Thomas Howell 1945-5-27 20885 Marin Mount Tamalpais. Northeast of Mountain Theater. Comment
  CAS-BOT-BC155829  Bromus catharticus var. elatus John Thomas Howell 1953-7-5 29105 Marin Mount Tamalpais. East Peak. Comment
  CAS-BOT-BC155830  Bromus catharticus var. elatus John Thomas Howell 1954-7-29 30016 Marin Olema. Comment
  CAS-BOT-BC155934  Bromus commutatus John Thomas Howell 1946-6-13 22058 Marin Esters School north of Dillons Beach. Comment
  CAS-BOT-BC155935  Bromus commutatus John Thomas Howell 1946-6-9 22016 Marin Near Olema. Comment
  CAS-BOT-BC155936  Bromus commutatus John Thomas Howell 1944-5-28 19520 Marin Almonte. Comment
  CAS-BOT-BC155937  Bromus commutatus John Thomas Howell 1945-6-24 21245 Marin Mount Tamalpais, Lagunitas Meadow. Comment
  CAS-BOT-BC156101  Bromus diandrus John Thomas Howell 1966-4-6 41474 Marin Tiburon. John Thomas Howell Botanical Garden. Comment
  CAS-BOT-BC156103  Bromus diandrus John Thomas Howell 1946-6-16 22072 Marin Inverness Peak. Comment
  CAS-BOT-BC156623  Rubus bifrons John Thomas Howell 1943-8-29 19311 Marin Summit (Avenue) Ridge, Mill Valley Comment
  CAS-BOT-BC156625  Rubus bifrons John Thomas Howell 1943-8-29 19311 Marin Summit (Avenue) Ridge, Mill Valley Comment
  CAS-BOT-BC156741  Rubus spectabilis John Thomas Howell 1926-2-22 1643 Marin Inverness Comment
  CAS-BOT-BC157406  Solanum umbelliferum J. T. Howell 1940-5-12 s.n. Marin Lagunitas Creek Canyon Comment
  CAS-BOT-BC157541  Solanum umbelliferum J. T. Howell 1939-4-23 14606 Marin Blythedale Canyon, Mill Valley Comment
  CAS-BOT-BC158833  Rubus ursinus John Thomas Howell 1933-7-30 11477 Marin Near Inverness Comment
  CAS-BOT-BC158834  Rubus ursinus John Thomas Howell 1938-5-22 13799 Marin San Anselmo Canyon Comment
  CAS-BOT-BC158835  Rubus ursinus John Thomas Howell 1938-5-22 13799 Marin San Anselmo Canyon Comment
  CAS-BOT-BC158836  Rubus ursinus John Thomas Howell 1938-5-22 13799 Marin San Anselmo Canyon Comment
  CAS-BOT-BC158837  Rubus ursinus John Thomas Howell 1938-5-22 13801 Marin San Anselmo Canyon Comment
  CAS-BOT-BC158838  Rubus ursinus John Thomas Howell 1938-6-5 13898 Marin Azalea Flat, Mt. Tamalpais Comment
  CAS-BOT-BC158842  Rubus ursinus John Thomas Howell 1938-6-19 13921 Marin Bootjack, Mt. Tamalpais Comment
  CAS-BOT-BC158843  Rubus ursinus John Thomas Howell 1938-6-19 13921 Marin Bootjack, Mt. Tamalpais Comment
  CAS-BOT-BC158845  Rubus ursinus John Thomas Howell 1938-6-19 13930 Marin Near Trestle, Mt. Tamalpais Comment
  CAS-BOT-BC158846  Rubus ursinus John Thomas Howell 1938-6-5 13893 Marin Near Fern Canyon, Mt. Tamalpais Comment
  CAS-BOT-BC158847  Rubus ursinus John Thomas Howell 1938-6-5 13906 Marin Near West Point, Mt. Tamalpais Comment
  CAS-BOT-BC158848  Rubus ursinus John Thomas Howell 1938-6-5 13906 Marin Near West Point, Mt. Tamalpais Comment
  CAS-BOT-BC158850  Rubus ursinus John Thomas Howell 1938-6-19 13929 Marin Near Rattlesnake, Mt. Tamalpais Comment
  CAS-BOT-BC160252  Camissoniopsis cheiranthifolia subsp. cheiranthifolia John Thomas Howell 1946-5-4 21749 Marin Dillons Beach Comment
  CAS-BOT-BC160263  Camissoniopsis cheiranthifolia subsp. cheiranthifolia John Thomas Howell 1945-6-30 s.n. Marin Stinson Beach Comment
  CAS-BOT-BC160988  Clarkia amoena subsp. amoena John Thomas Howell 1939-6-4 14714 Marin Pt. Reyes lighthouse Comment
  CAS-BOT-BC160990  Clarkia amoena subsp. amoena John Thomas Howell 1946-6-9 22012 Marin Pierce Ranch, n. Pt. Reyes Peninsula Comment
  CAS-BOT-BC161851  Bromus rubens John Thomas Howell 1945-5-6 20811 Marin San Rafael Hills. Comment
  CAS-BOT-BC161853  Bromus rubens John Thomas Howell 1944-5-28 19515 Marin Between Manzanita and Almonte. Comment
  CAS-BOT-BC161854  Bromus rubens John Thomas Howell 1945-5-9 20845 Marin Ignacio. Comment
  CAS-BOT-BC161857  Bromus rubens John Thomas Howell 1950-6-11 26626 Marin Mount Tamalpais. Bootjack. Comment
  CAS-BOT-BC162250  Bromus maritimus John Thomas Howell 1939-6-4 14715 Marin Point Reyes Lighthouse. Comment
  CAS-BOT-BC162329  Bromus madritensis John Thomas Howell 1947-4-27 23096 Marin Bald Mountain west of San Anselmo. Comment
  CAS-BOT-BC162330  Bromus madritensis John Thomas Howell 1969-5-5 45571 Marin Tiburon Peninsula. Ring Hill. Comment
  CAS-BOT-BC162431  Bromus laevipes John Thomas Howell 1944-6-18 19629 Marin Mount Tamalpais. Fish Grade between Phoenix and Lagunitas Lakes. Comment
  CAS-BOT-BC162432  Bromus laevipes John Thomas Howell 1938-6-19 13919 Marin Mount Tamalpais. Bootjack. Comment
  CAS-BOT-BC162433  Bromus laevipes John Thomas Howell 1941-5-25 16206 Marin Mount Tamalpais. Arturo Trail. Comment
  CAS-BOT-BC162434  Bromus laevipes John Thomas Howell 1943-5-22 18119 Marin Fairfax. Comment
  CAS-BOT-BC162435  Bromus laevipes John Thomas Howell 1943-5-9 17954 Marin Black Canyon, San Rafael Hills. Comment
  CAS-BOT-BC163742  Clarkia purpurea subsp. quadrivulnera John Thomas Howell 1943-6-6 18212 Marin Canyon just below Muir Woods Comment
  CAS-BOT-BC164297  Clarkia davyi John Thomas Howell 1947-6-18 23273 Marin 3 miles east of Tomales Comment
  CAS-BOT-BC16448  Barbarea orthoceras John Thomas Howell; W. L. Jepson 1927-3-20 2291 Marin Southeast slope of Mount Tamalpais. 304 Comment
  CAS-BOT-BC16450  Barbarea orthoceras John Thomas Howell 1947-4-2 s.n. Marin Mill Valley. Comment
  CAS-BOT-BC16452  Barbarea orthoceras John Thomas Howell 1947-5-18 s.n. Marin Mount Tamalpais. East end of Alpine Lake. Comment
  CAS-BOT-BC16453  Barbarea orthoceras John Thomas Howell 1949-6-12 25347 Marin Mount Tamalpais. Corte Madera Ridge. Comment
  CAS-BOT-BC16454  Barbarea orthoceras John Thomas Howell 1950-3-28 26305 Marin Point Reyes Peninsula on raod to lighthouse. Comment
  CAS-BOT-BC164551  Clarkia purpurea subsp. viminea John Thomas Howell 1941-6-10 s.n. Marin Black Point Comment
  CAS-BOT-BC164609  Clarkia gracilis subsp. gracilis John Thomas Howell 1943-5-9 17958 Marin Black Canyon, San Rafael hills Comment
  CAS-BOT-BC164611  Clarkia gracilis subsp. gracilis John Thomas Howell 1946-5-12 21811 Marin Carson Ridge Comment
  CAS-BOT-BC164612  Clarkia gracilis subsp. gracilis John Thomas Howell 1946-5-19 21912 Marin Meadows Club, Fairfax Hills Comment
  CAS-BOT-BC165077  Clarkia rubicunda John Thomas Howell 1946-5-16 21875 Marin Angel Island, s. side Comment
  CAS-BOT-BC165078  Clarkia rubicunda John Thomas Howell 1946-7-7 22189 Marin Above Bootjack, Mt. Tamalpais Comment
  CAS-BOT-BC168741  Ribes victoris John Thomas Howell 1943-3-7 17887 Marin Hills northeast of San Rafael Comment
  CAS-BOT-BC168742  Ribes victoris John Thomas Howell 1943-1-17 s.n. Marin Northside Trail, Mt. Tamalpais Comment
  CAS-BOT-BC168744  Ribes victoris John Thomas Howell 1941-6-8 16256 Marin Hills ne. of San Rafael Comment
  CAS-BOT-BC168745  Ribes victoris John Thomas Howell 1942-9-6 17863 Marin Northside Trail, Mt. Tamalpais Comment
  CAS-BOT-BC168746  Ribes victoris John Thomas Howell 1942-7-12 17033 Marin Above Lake Lagunitas on Northside Trail, Mt. Tamalpais Comment
  CAS-BOT-BC168747  Ribes victoris John Thomas Howell 1942-7-12 17033 Marin Above Lake Lagunitas on Northside Trail, Mt. Tamalpais Comment
  CAS-BOT-BC168748  Ribes victoris John Thomas Howell 1943-3-7 17884 Marin Hills northeast of San Rafael Comment
  CAS-BOT-BC169314  Alnus rubra John Thomas Howell 1940-5-20 15485 Marin Inverness Comment
  CAS-BOT-BC169315  Alnus rubra John Thomas Howell 1927-4-23 2352 Marin Between Muir Woods and Big Lagoon in Franklin Canon [canyon] 30 Comment
  CAS-BOT-BC172451  Clarkia purpurea subsp. purpurea John Thomas Howell 1947-5-21 23187 Marin Tiburon Comment
  CAS-BOT-BC172452  Clarkia purpurea subsp. purpurea John Thomas Howell 1938-5-22 13796 Marin San Anselmo Canyon Comment
  CAS-BOT-BC17350  Arabis eschscholtziana John Thomas Howell 1944-5-14 19463 Marin Salmon Creek Canyon. Comment
  CAS-BOT-BC17515  Athysanus pusillus John Thomas Howell 1946-4-13 21603 Marin Mount Tamalpais. Near Rock Spring. Comment
  CAS-BOT-BC175349  Stellaria borealis subsp. sitchana John Thomas Howell 1943-7-4 18261 Marin Ledum Swamp on road to Pt. Reyes Comment
  CAS-BOT-BC175915  Agrostis densiflora John Thomas Howell; Catherine Best 1981-6-11 54068 Marin North Beach, Pt. Reyes Peninsula Comment
  CAS-BOT-BC175940  Agrostis densiflora John Thomas Howell 1946-6-30 22146 Marin Rodeo Lagoon Comment
  CAS-BOT-BC175963  Viola adunca John Thomas Howell 1925-4-5 909 Marin Pipline Trail Comment
  CAS-BOT-BC176069  Hesperolinon congestum John Thomas Howell 1943-5-15 18094 Marin Tiburon Peninsula Comment
  CAS-BOT-BC176071  Hesperolinon congestum John Thomas Howell 1953-6-9 29058 Marin At south end of Tiburon Peninsula Comment
  CAS-BOT-BC177034  Acacia dealbata John Thomas Howell 1943-8-29 19312 Marin On Summit (Avenue) Ridge above Mill Valley 152 Comment
  CAS-BOT-BC177071  Acacia melanoxylon John Thomas Howell 1965-10-13 41412 Marin John Thomas Howell Botanical Garden, Tiburon Comment
  CAS-BOT-BC177215  Amorpha californica var. napensis John Thomas Howell 1924-8-31 651 Marin Between Phoenix and Lagunitas Lakes Comment
  CAS-BOT-BC178034  Astragalus nuttallii John Thomas Howell 1947-5-14 23159 Marin McClure Beach Comment
  CAS-BOT-BC17817  Carex amplifolia John Thomas Howell 1946-6-30 22127 Marin Marsh east of Rodeo Lagoon. Comment
  CAS-BOT-BC180839  Kochia scoparia John Thomas Howell 1988-8-11 s.n. Marin Terra Linda Vegetable Garden, New Albion Way opposite Cermenho Ct., San Rafael Comment
  CAS-BOT-BC180840  Kochia scoparia John Thomas Howell 1988-7-28 s.n. Marin Terra Linda Vegetable Garden, New Albion Way opposite Cermenho Ct., San Rafael Comment
  CAS-BOT-BC182436  Eriogonum nudum var. auriculatum John Thomas Howell 1945-7-8 21287 Marin San Antonio station Comment
  CAS-BOT-BC183160  Vulpia microstachys var. ciliata John Thomas Howell 1943-5-2 17930 Marin Big Carson Canyon Comment
  CAS-BOT-BC183995  Vulpia microstachys var. microstachys John Thomas Howell 1943-5-2 s.n. Marin Big Carson Comment
  CAS-BOT-BC183996  Vulpia microstachys var. microstachys John Thomas Howell 1967-5-5 42169 Marin John Thomas Howell Botanical Garden, Tiburon Comment
  CAS-BOT-BC183997  Vulpia microstachys var. microstachys John Thomas Howell 1966-4-6 41458 Marin John Thomas Howell Botanical Garden, Tiburon Comment
  CAS-BOT-BC183998  Vulpia microstachys var. microstachys John Thomas Howell 1943-5-15 s.n. Marin S. Tiburon Comment
  CAS-BOT-BC184001  Vulpia microstachys var. microstachys John Thomas Howell 1941-4-17 s.n. Marin Tiburon Comment
  CAS-BOT-BC184341  Vulpia microstachys var. pauciflora John Thomas Howell 1941-4-17 s.n. Marin Tiburon Comment
  CAS-BOT-BC184342  Vulpia microstachys var. pauciflora John Thomas Howell 1939-5-14 14683 Marin North side of West Peak, Mt. Tamalpais Comment
  CAS-BOT-BC184344  Vulpia microstachys var. pauciflora John Thomas Howell 1933-4-30 11194 Marin North side of Mt. Tamalpais Comment
  CAS-BOT-BC184346  Vulpia microstachys var. pauciflora John Thomas Howell 1938-6-9 13908 Marin Laurel Dell, Mt. Tamalpais Comment
  CAS-BOT-BC184347  Vulpia microstachys var. pauciflora John Thomas Howell 1945-5-6 20801 Marin San Rafael Hills Comment
  CAS-BOT-BC184348  Vulpia microstachys var. pauciflora John Thomas Howell 1947-5-4 23132 Marin San Rafael Hills Comment
  CAS-BOT-BC184359  Vulpia microstachys var. pauciflora John Thomas Howell 1947-4-27 23088 Marin Bald Mt. west of San Anselmo Comment
  CAS-BOT-BC184360  Vulpia microstachys var. pauciflora John Thomas Howell 1946-5-14 21838 Marin Between Barth's Retreat and Potrero Meadow, Mt. Tamalpais Comment
  CAS-BOT-BC185021  Calamagrostis rubescens John Thomas Howell 1946-9-15 23004 Marin Mount Tamalpais. Near Willow Meadow. Comment
  CAS-BOT-BC185025  Calamagrostis rubescens John Thomas Howell 1939-7-16 s.n. Marin Mount Tamalpais. Azalea Flat. Comment
  CAS-BOT-BC185026  Calamagrostis rubescens John Thomas Howell 1945-8-12 21377 Marin Mill Valley, Cascade Canyon. Comment
  CAS-BOT-BC185109  Calamagrostis ophitidis John Thomas Howell 1947-5-18 23176 Marin At south end of Carson Ridge. Comment
  CAS-BOT-BC185230  Calamagrostis koelerioides John Thomas Howell 1948-5-22 24307 Marin Mount Tamalpais. Firetrail north of East Peak. Comment
  CAS-BOT-BC185513  Bromus vulgaris John Thomas Howell 1945-6-24 s.n. Marin Mount Tamalpais. Rock Spring to Laurel Dell. Comment
  CAS-BOT-BC185514  Bromus vulgaris John Thomas Howell 1945-7-4 21268 Marin Inverness Ridge. Comment
  CAS-BOT-BC185861  Vulpia octoflora var. hirtella John Thomas Howell 1947-5-25 23197 Marin Simmons Trail, Mt. Tamalpais Comment
  CAS-BOT-BC185971  Vulpia octoflora var. octoflora John Thomas Howell 1941-5-25 16200 Marin West Point to West Peak, Mt. Tamalpais Comment
  CAS-BOT-BC185972  Vulpia octoflora var. octoflora John Thomas Howell 1944-6-4 19534 Marin Inverness Ridge Comment
  CAS-BOT-BC185974  Vulpia octoflora var. octoflora John Thomas Howell 1946-5-12 21778 Marin Carson Ridge Comment
  CAS-BOT-BC187884  Sidalcea calycosa subsp. rhizomata John Thomas Howell 1927-5-8 2365 Marin N of Lake Lagunitas Comment
  CAS-BOT-BC189719  Danthonia californica John Thomas Howell 1943-5-15 18069 Marin Tiburoun Peninsula. Comment
  CAS-BOT-BC189725  Danthonia californica John Thomas Howell 1941-5-25 16210 Marin Rifle Camp, Mount Tamalpais. Comment
  CAS-BOT-BC189726  Danthonia californica John Thomas Howell 1943-5-9 17966 Marin San Rafael Hills. Comment
  CAS-BOT-BC189727  Danthonia californica John Thomas Howell 1966-4-30 41525 Marin Tiburon. John Thomas Howell Botanical Garden. Southeast of church. Comment
  CAS-BOT-BC190418  Cynosurus echinatus John Thomas Howell 1942-6-7 s.n. Marin San Anselmo Canyon. Comment
  CAS-BOT-BC191539  Chorizanthe cuspidata var. villosa John Thomas Howell 1939-6-4 14716 Marin Pt. Reyes Lighthouse Comment
  CAS-BOT-BC191540  Chorizanthe cuspidata var. villosa John Thomas Howell 1946-7-4 22176 Marin Dillons Beach Comment
  CAS-BOT-BC19237  Carex barbarae John Thomas Howell 1946-5-16 21855 Marin Angel Island, SE side. Comment
  CAS-BOT-BC19246  Carex barbarae John Thomas Howell 1980-9-8 53900 Marin Between Alpine and Bon Tempe Lakes. Comment
  CAS-BOT-BC19249  Carex barbarae John Thomas Howell 1944-5-7 19445 Marin Larkspur. Comment
  CAS-BOT-BC192559  Deschampsia cespitosa subsp. holciformis J. T. Howell 1943-7-4 18257 Marin Ledum Swamp on road to Pt. Reyes Comment
  CAS-BOT-BC193107  Astragalus pycnostachyus var. pycnostachyus John Thomas Howell 1945-8-19 21433 Marin At head of Drakes Bay Comment
  CAS-BOT-BC193108  Astragalus pycnostachyus var. pycnostachyus John Thomas Howell 1945-6-30 21253 Marin Stinson Beach Comment
  CAS-BOT-BC194529  Garrya elliptica John Thomas Howell 1925-2-1 738 Marin North side of Mt. Tamalpais on Lake Lagunitas Trail 609 Comment
  CAS-BOT-BC19454  Carex bolanderi John Thomas Howell 1944-6-4 19539 Marin Inverness Ridge west of Inverness. Comment
  CAS-BOT-BC196052  Lupinus albifrons var. collinus John Thomas Howell 1942-4-19 16944 Marin Big Carson Canyon Comment
  CAS-BOT-BC196169  Lupinus albifrons var. douglasii John Thomas Howell 1941-6-29 16345 A Marin Near West Point, Mt. Tamalpais Comment
  CAS-BOT-BC196173  Lupinus albifrons var. douglasii John Thomas Howell 1947-5-25 23196 Marin Simmons Trail, Mt. Tamalpais Comment
  CAS-BOT-BC196174  Lupinus albifrons var. douglasii John Thomas Howell 1950-6-4 26622 Marin Blithedale Canyon, Mt. Tamalpais Comment
  CAS-BOT-BC196178  Lupinus albifrons var. douglasii John Thomas Howell 1947-5-25 23196 Marin Simmons Trail, Mt. Tamalpais Comment
  CAS-BOT-BC197146  Echinochloa crus-galli John Thomas Howell 1939-9-3 15343 Marin Near Novato Comment
  CAS-BOT-BC197147  Echinochloa crus-galli John Thomas Howell 1943-9-5 19320 Marin Just south of Mill Valley Comment
  CAS-BOT-BC197150  Echinochloa crus-galli John Thomas Howell 1943-7-4 18276 Marin Inverness Comment
  CAS-BOT-BC197260  Echinochloa muricata var. microstachya J. T. Howell 1988-9-29 s.n. Marin Vegetable garden in Terra Linda Comment
  CAS-BOT-BC198485  Deschampsia danthonioides John Thomas Howell 1945-4-29 s.n. Marin Lagunitas Meadows, Mt. Tamalpais Comment
  CAS-BOT-BC198486  Deschampsia danthonioides John Thomas Howell 1946-7-7 22215 Marin Potrero Meadow, Mt. Tamalpais Comment
  CAS-BOT-BC198487  Deschampsia danthonioides John Thomas Howell 1944-5-21 19498 Marin Lagunitas Meadow, Mt. Tamalpais Comment
  CAS-BOT-BC198781  Vulpia bromoides John Thomas Howell 1943-5-9 17973 Marin San Rafael Hills Comment
  CAS-BOT-BC198783  Vulpia bromoides John Thomas Howell 1937-6-13 13049 Marin Head of Drakes Bay, Pt. Reyes Comment
  CAS-BOT-BC198785  Vulpia bromoides John Thomas Howell 1943-5-9 17962 Marin San Rafael hills. Comment
  CAS-BOT-BC198786  Vulpia bromoides John Thomas Howell 1941-5-25 16198 Marin West Point to West Peak, Mt. Tamalpais Comment
  CAS-BOT-BC198787  Vulpia bromoides John Thomas Howell 1939-4-23 14611 Marin Corte Madera Ridge, Mt. Tamalpais Comment
  CAS-BOT-BC19894  Carex echinata subsp. phyllomanica John Thomas Howell 1946-6-9 22005 Marin Abbotts Lagoon. Comment
  CAS-BOT-BC19955  Carex exsiccata John Thomas Howell 1946-6-13 22032 Marin Chileno Valley. Comment
  CAS-BOT-BC19956  Carex exsiccata John Thomas Howell 1946-6-13 22032 Marin Chileno Valley. Comment
  CAS-BOT-BC199635  Trisetum canescens John Thomas Howell 1947-6-4 23211 Marin Pt. Reyes Peninsula Comment
  CAS-BOT-BC199636  Trisetum canescens John Thomas Howell 1946-5-26 s.n. Marin Pt. Reyes Lighthouse Comment
  CAS-BOT-BC199637  Trisetum canescens John Thomas Howell 1939-5-14 14659 Marin Ross Comment
  CAS-BOT-BC199638  Trisetum canescens John Thomas Howell 1943-5-22 18147 Marin Fairfax Hills Comment
  CAS-BOT-BC199641  Trisetum canescens John Thomas Howell 1949-5-15 25313 Marin West of Inverness Comment
  CAS-BOT-BC199644  Trisetum canescens John Thomas Howell 1941-6-29 16344 Marin Between Laurel Dell and Rock Spring, Mt. Tamalpais Comment
  CAS-BOT-BC199645  Trisetum canescens John Thomas Howell 1941-5-25 16226 Marin Potrero Meadow, Mt. Tamalpais Comment
  CAS-BOT-BC200051  Rhododendron occidentale var. occidentale John Thomas Howell 1943-5-30 18193 Marin Azalea Flat, Mt. Tamalpais Comment
  CAS-BOT-BC200478  Triticum aestivum John Thomas Howell 1944-6-25 s.n. Marin San Rafael Comment
  CAS-BOT-BC201819  Deschampsia elongata John Thomas Howell 1943-5-9 17951 Marin Black Canyon, San Rafael Hills Comment
  CAS-BOT-BC201821  Deschampsia elongata John Thomas Howell 1941-7-6 16366 Marin Camp Hogan, Mt. Tamalpais Comment
  CAS-BOT-BC201822  Deschampsia elongata John Thomas Howell 1944-6-25 19660 Marin Between Santa Venetia and Chinese Camp Comment
  CAS-BOT-BC201823  Deschampsia elongata John Thomas Howell 1946-5-19 21920 Marin Carson Ridge Comment
  CAS-BOT-BC201824  Deschampsia elongata John Thomas Howell 1942-6-21 16982 Marin Carson Ridge Comment
  CAS-BOT-BC201827  Deschampsia elongata John Thomas Howell 1945-6-3 209525 Marin Shell Beach Comment
  CAS-BOT-BC202167  Lupinus tidestromii John Thomas Howell; Catherine Best; Wilma Follette; Gordon H. True 1980-6-19 53722 Marin Near Abbotts Lagoon, Point Reyes Peninsula Comment
  CAS-BOT-BC203489  Elymus glaucus subsp. glaucus John Thomas Howell 1943-5-9 17944 Marin San Rafael Comment
  CAS-BOT-BC203491  Elymus glaucus subsp. glaucus John Thomas Howell 1941-6-29 16342 Marin Laurel Dell, Mt. Tamalpais Comment
  CAS-BOT-BC203492  Elymus glaucus subsp. glaucus John Thomas Howell 1943-6-6 18202 Marin Ridge se. of Muir Woods Comment
  CAS-BOT-BC203494  Elymus glaucus subsp. glaucus John Thomas Howell 1943-6-6 18209 Marin Canyon below Muir Woods Comment
  CAS-BOT-BC203495  Elymus glaucus subsp. glaucus John Thomas Howell 1943-6-6 18210 Marin Canyon below Muir Woods Comment
  CAS-BOT-BC203500  Elymus glaucus subsp. glaucus John Thomas Howell 1966-5-25 41540 Marin John Thomas Howell Botanical Garden, Tiburon Comment
  CAS-BOT-BC203509  Elymus glaucus subsp. glaucus John Thomas Howell 1943-5-22 18128 Marin Deer Park near Fairfax Comment
  CAS-BOT-BC203512  Elymus glaucus subsp. glaucus John Thomas Howell 1943-5-22 18117 Marin Fairfax Comment
  CAS-BOT-BC203513  Elymus glaucus subsp. glaucus John Thomas Howell 1945-6-12 20961 Marin Near radio station, Pt. Reyes Peninsula Comment
  CAS-BOT-BC203517  Elymus glaucus subsp. glaucus John Thomas Howell 1945-8-19 21444 Marin Head of Drakes Bay Comment
  CAS-BOT-BC203809  Elymus glaucus subsp. virescens John Thomas Howell 1946-5-26 21955 Marin Pt. Reyes Lighthouse Comment
  CAS-BOT-BC203811  Elymus glaucus subsp. virescens John Thomas Howell 1945-7-15 21306 Marin Near Liberty's Comment
  CAS-BOT-BC203813  Elymus glaucus subsp. virescens John Thomas Howell 1947-5-14 23161 Marin McClure Beach Comment
  CAS-BOT-BC203853  Elymus X hansenii John Thomas Howell 1943-5-15 18082 Marin Tiburon Peninsula Comment
  CAS-BOT-BC203854  Elymus X hansenii John Thomas Howell 1943-5-15 18090 Marin Tiburon Peninsula Comment
  CAS-BOT-BC203856  Elymus X hansenii John Thomas Howell 1948-5-31 24325 Marin Devils Gulch near Camp Taylor Comment
  CAS-BOT-BC203857  Elymus X hansenii John Thomas Howell 1943-5-15 18074 Marin Tiburon Peninsula Comment
  CAS-BOT-BC203861  Elymus X hansenii John Thomas Howell 1941-5-25 16236 Marin Near Bootjack, Mt. Tamalpais Comment
  CAS-BOT-BC203862  Elymus X hansenii John Thomas Howell 1948-5-31 24325 Marin Devils Gulch near Camp Taylor Comment
  CAS-BOT-BC204587  Eragrostis mexicana subsp. virescens John Thomas Howell 1986-9-3 s.n. Marin Terra Linda Vegetable Garden, Nova Albion & Cermenho Ct, San Rafael Comment
  CAS-BOT-BC205537  Sidalcea hickmanii subsp. viridis John Thomas Howell; Antonio Krapovickas 1954-6-23 30005 Marin Carson Ridge Comment
  CAS-BOT-BC205538  Sidalcea hickmanii subsp. viridis John Thomas Howell 1942-6-21 16997 Marin Carson Ridge Comment
  CAS-BOT-BC205541  Sidalcea hickmanii subsp. viridis John Thomas Howell 1946-6-23 22120 Marin On Carson Ridge Comment
  CAS-BOT-BC205543  Sidalcea hickmanii subsp. viridis John Thomas Howell 1942-6-21 16997 Marin Carson Ridge Comment
  CAS-BOT-BC205545  Sidalcea hickmanii subsp. viridis John Thomas Howell 1942-6-21 16997 Marin Carson Ridge Comment
  CAS-BOT-BC206050  Ribes menziesii John Thomas Howell 1944-7-9 19695 Marin Inverness Ridge Comment
  CAS-BOT-BC208071  Genista monspessulana John Thomas Howell 1966-4-6 41471 Marin John Thomas Howell Botanical Garden, Tiburon Comment
  CAS-BOT-BC20839  Carex garberi John Thomas Howell; J. W. Stacey 1936-6-7 12642 Marin Ledum Swamps on road to Point Reyes. Comment
  CAS-BOT-BC20840  Carex garberi John Thomas Howell 1945-8-19 21423 Marin Near Ledum Swamp. Comment
  CAS-BOT-BC20882  Carex globosa John Thomas Howell 1946-5-14 21843 Marin Potrero Meadow, Mt. Tamalpais. Comment
  CAS-BOT-BC20887  Carex globosa John Thomas Howell 1942-4-19 16946 Marin Carson Ridge, Mt. Tamalpais. Comment
  CAS-BOT-BC20899  Carex globosa John Thomas Howell 1943-5-9 17950 Marin Black Canyon, San Rafael hills. Comment
  CAS-BOT-BC209004  Digitaria sanguinalis John Thomas Howell 1989-10-16 s.n. Marin Terra Linda, Freitas Park Comment
  CAS-BOT-BC209005  Digitaria sanguinalis John Thomas Howell 1939-8-27 15311 Marin Ross Comment
  CAS-BOT-BC209257  Ribes menziesii John Thomas Howell 1942-4-19 16937 Marin Big Carson Canyon Comment
  CAS-BOT-BC209261  Ribes menziesii John Thomas Howell 1926-2-22 1644 Marin Inverness Comment
  CAS-BOT-BC209263  Ribes menziesii John Thomas Howell 1943-6-13 18232 Marin Sausalito Comment
  CAS-BOT-BC209264  Ribes menziesii John Thomas Howell 1943-6-6 18207 Marin Canyon below Muir Woods Comment
  CAS-BOT-BC209266  Ribes menziesii John Thomas Howell 1943-6-13 18232 Marin Sausalito Comment
  CAS-BOT-BC209267  Ribes menziesii John Thomas Howell 1943-6-6 18207 Marin Canyon below Muir Woods Comment
  CAS-BOT-BC210248  Cornus sericea John Thomas Howell 1939-7-2 14838 Marin Between Big Lagoon and Muir Woods Comment
  CAS-BOT-BC210250  Cornus sericea John Thomas Howell 1940-9-15 s.n. Marin Stinson Beach Comment
  CAS-BOT-BC213152  Sidalcea calycosa subsp. rhizomata John Thomas Howell 1939-6-4 14724 Marin Pt. Reyes Peninsula Comment
  CAS-BOT-BC21336  Agoseris grandiflora var. grandiflora John Thomas Howell 1941-6-10 16282 Marin Near Black Point Comment
  CAS-BOT-BC21344  Agoseris grandiflora var. grandiflora John Thomas Howell 1940-5-20 15470 Marin Fairfax Comment
  CAS-BOT-BC215070  Lupinus chamissonis John Thomas Howell 1939-6-4 14729 Marin Point Reyes Peninsula Comment
  CAS-BOT-BC215707  Lepechinia calycina John Thomas Howell 1925-4-5 936 Marin Pipeline Trail Comment
  CAS-BOT-BC215708  Lepechinia calycina John Thomas Howell 1930-12-28 5723 Marin Slope of Mt. Tamalpais above Mill Valley Comment
  CAS-BOT-BC215710  Lepechinia calycina John Thomas Howell 1946-5-12 21810 Marin Carson Ridge Comment
  CAS-BOT-BC215882  Calystegia purpurata subsp. purpurata John Thomas Howell 1947-5-8 23139 Marin Sausalito Comment
  CAS-BOT-BC215883  Calystegia purpurata subsp. purpurata John Thomas Howell 1947-5-4 23127 Marin San Rafael Hills Comment
  CAS-BOT-BC215884  Calystegia purpurata subsp. purpurata John Thomas Howell 1945-5-6 20803 Marin San Rafael Hills Comment
  CAS-BOT-BC215885  Calystegia purpurata subsp. purpurata John Thomas Howell 1944-5-28 19527 Marin Between Almonte and Mill Valley Comment
  CAS-BOT-BC215888  Calystegia purpurata subsp. purpurata John Thomas Howell 1946-6-16 22070 Marin Inverness Park Comment
  CAS-BOT-BC215890  Calystegia purpurata subsp. purpurata John Thomas Howell 1939-7-2 s.n. Marin Near Big Lagoon Comment
  CAS-BOT-BC216090  Eriodictyon californicum John Thomas Howell 1939-6-18 14770 Marin Near Mud Lake Comment
  CAS-BOT-BC220399  Monardella purpurea John Thomas Howell 1946-7-7 22208 Marin Potrero Meadow, Mt. Tamalpais Comment
  CAS-BOT-BC220412  Monardella purpurea John Thomas Howell 1939-6-25 14791 Marin Summit Avenue, Mill Valley Comment
  CAS-BOT-BC220416  Monardella purpurea John Thomas Howell 1930-7-20 5382 Marin Slope of Mt. Tamalpais on south-east side along Wheeler Trail Comment
  CAS-BOT-BC220420  Monardella purpurea John Thomas Howell 1939-6-25 14791 Marin Summit Ave., Mill Valley Comment
  CAS-BOT-BC220540  Monardella villosa John Thomas Howell 1947-6-18 23281 Marin North of Dillons Beach Comment
  CAS-BOT-BC22127  Carex harfordii John Thomas Howell 1944-7-2 s.n. Marin Potrero Meadow, Mt. Tamalpais. Comment
  CAS-BOT-BC22135  Carex harfordii John Thomas Howell 1944-6-4 19575 Marin Inverness Ridge, west of Inverness. Comment
  CAS-BOT-BC22144  Carex harfordii John Thomas Howell 1940-5-26 15537 Marin Little Carson Falls. Comment
  CAS-BOT-BC22147  Carex harfordii John Thomas Howell 1944-5-28 19523 Marin Between Almonte and Mill Valley. Comment
  CAS-BOT-BC221853  Stenotaphrum secundatum John Thomas Howell 1945-7-22 21330 Marin West of Mill Valley on road to Muir Woods Comment
  CAS-BOT-BC221855  Stenotaphrum secundatum John Thomas Howell 1987-7-8 s.n. Marin On New Albion Way near Corte Pacheco, Terra Linda Comment
  CAS-BOT-BC222726  Perideridia gairdneri subsp. gairdneri John Thomas Howell 1947-6-18 23272 Marin 3 miles east of Tomales Comment
  CAS-BOT-BC22321  Carex harfordii John Thomas Howell 1945-6-3 20927 Marin Shell Beach. Comment
  CAS-BOT-BC22325  Carex harfordii John Thomas Howell 1943-6-13 18227 Marin Sausalito hills. Comment
  CAS-BOT-BC223769  Frankenia salina John Thomas Howell 1939-9-3 s.n. Marin Corte Madera Comment
  CAS-BOT-BC223775  Frankenia salina John Thomas Howell 1944-6-25 19657 Marin Between Santa Venetia and Chinese Camp Comment
  CAS-BOT-BC223776  Frankenia salina John Thomas Howell 1933-7-30 11471 Marin Head of Tomales Bay Comment
  CAS-BOT-BC223888  Cistus incanus John Thomas Howell 1939-9-3 15335 Marin At Black Point Comment
  CAS-BOT-BC223992  Helianthemum scoparium John Thomas Howell 1944-6-4 19532 Marin Inverness Ridge Comment
  CAS-BOT-BC223996  Helianthemum scoparium John Thomas Howell 1946-7-7 22195 Marin South of Barths Retreat, Mt. Tamalpais Comment
  CAS-BOT-BC223997  Helianthemum scoparium John Thomas Howell 1947-5-18 23180 Marin Carson Ridge Comment
  CAS-BOT-BC223998  Helianthemum scoparium John Thomas Howell 1946-5-12 21809 Marin Carson Ridge Comment
  CAS-BOT-BC224496  Cuscuta californica John Thomas Howell 1939-5-21 14696 Marin South end of Tiburon Peninsula Comment
  CAS-BOT-BC224497  Cuscuta californica John Thomas Howell 1942-7-5 17010 Marin Fern Canyon, Mt. Tamalpais Comment
  CAS-BOT-BC224516  Ribes menziesii John Thomas Howell 1946-4-14 21613 Marin Near Tomales Comment
  CAS-BOT-BC224517  Ribes menziesii John Thomas Howell 1944-5-14 19462 Marin Salmon Creek Canyon Comment
  CAS-BOT-BC225291  Gilia capitata subsp. chamissonis John Thomas Howell 1945-6-12 s.n. Marin Pt. Reyes dunes Comment
  CAS-BOT-BC22903  Agoseris heterophylla John Thomas Howell 1933-4-30 11191 Marin North side of Mt. Tamalpais Comment
  CAS-BOT-BC22907  Agoseris heterophylla John Thomas Howell 1943-5-9 17981 Marin San Rafael Hills Comment
  CAS-BOT-BC22949  Agoseris heterophylla John Thomas Howell 1947-4-27 23102 Marin Bald Mt. west of San Anselmo Comment
  CAS-BOT-BC231726  Solanum umbelliferum John Thomas Howell 1925-4-5 939 Marin Pipeline Trail Comment
  CAS-BOT-BC23190  Arctostaphylos glandulosa subsp. glandulosa John Thomas Howell 1927-8-22 3038 Marin Rocky slope on Rock Spring Trail, west of West Point, Mt. Tamalpais 548 Comment
  CAS-BOT-BC23217  Arctostaphylos glandulosa subsp. glandulosa John Thomas Howell 1950-4-2 26307 Marin Inverness Ridge east of Mt. Vision Comment
  CAS-BOT-BC23218  Arctostaphylos glandulosa subsp. glandulosa John Thomas Howell 1925-2-1 732 Marin South side of Mt. Tamalpais 457 Comment
  CAS-BOT-BC232715  Navarretia rosulata John Thomas Howell 1946-6-23 22114 Marin Carson Ridge Comment
  CAS-BOT-BC232716  Navarretia rosulata John Thomas Howell 1945-7-15 21308 Marin Near Liberty's Comment
  CAS-BOT-BC232717  Navarretia rosulata John Thomas Howell 1941-7-6 16368 Marin Rocky Ridge Fire Trail, Mount Tamalpais Comment
  CAS-BOT-BC232718  Navarretia rosulata John Thomas Howell 1952-9-7 28854 Marin Barths Retreat, Mount Tamalpais Comment
  CAS-BOT-BC232971  Polypogon australis John Thomas Howell 1967-6-8 42547 Marin Inverness Comment
  CAS-BOT-BC233025  Polypogon interruptus John Thomas Howell 1943-6-6 s.n. Marin Above Muir Woods on RR Grade, Mount Tamalpais Comment
  CAS-BOT-BC233200  Polypogon interruptus John Thomas Howell 1939-6-18 14785 Marin Near Mud Lake Comment
  CAS-BOT-BC233239  Polypogon maritimus John Thomas Howell 1945-6-24 21236 Marin Willow Meadows, Mount Tamalpais Comment
  CAS-BOT-BC23352  Arctostaphylos glandulosa subsp. cushingiana John Thomas Howell 1944-3-26 19343 Marin Inverness Ridge Comment
  CAS-BOT-BC23353  Arctostaphylos glandulosa subsp. cushingiana John Thomas Howell 1947-3-2 23038 Marin Above Blythedale Canyon, east side of Mt. Tamalpais. Comment
  CAS-BOT-BC23354  Arctostaphylos glandulosa subsp. cushingiana John Thomas Howell 1944-4-13 19382 Marin Big Rock Ridge west of Hamilton Field Comment
  CAS-BOT-BC23387  Arctostaphylos glandulosa subsp. cushingiana John Thomas Howell 1943-3-7 17881 Marin Hills northeast of San Rafael Comment
  CAS-BOT-BC23388  Arctostaphylos glandulosa subsp. cushingiana John Thomas Howell 1947-3-2 23037 Marin Above Blythedale Canyon, east side of Mt. Tamalpais. Comment
  CAS-BOT-BC23391  Arctostaphylos glandulosa subsp. cushingiana John Thomas Howell 1926-2-22 1642 Marin Inverness Ridge Comment
  CAS-BOT-BC23395  Arctostaphylos glandulosa subsp. cushingiana John Thomas Howell 1939-7-2 14816 Marin Hills SW of Almonte Comment
  CAS-BOT-BC23396  Arctostaphylos glandulosa subsp. cushingiana John Thomas Howell 1970-5-17 46525 Marin Throckmorton Ridge, Mt. Tamalpais Comment
  CAS-BOT-BC23399  Arctostaphylos glandulosa subsp. cushingiana John Thomas Howell 1944-3-26 19355 Marin Inverness Ridge, west of Inverness Comment
  CAS-BOT-BC23400  Arctostaphylos glandulosa subsp. cushingiana John Thomas Howell 1944-3-26 19357 Marin Pines west of Inverness, Inverness Ridge. Comment
  CAS-BOT-BC234054  Elymus multisetus John Thomas Howell 1943-6-6 18203 Marin Ridge se. of Muir Woods Comment
  CAS-BOT-BC234055  Elymus multisetus John Thomas Howell 1941-6-10 16292 Marin Black Point Comment
  CAS-BOT-BC234056  Elymus multisetus John Thomas Howell 1941-5-25 16231 Marin Between Potrero Meadow and Mt. Theater, Mt. Tamalpais Comment
  CAS-BOT-BC234057  Elymus multisetus John Thomas Howell 1941-5-25 16239 Marin Near Bootjack, Mt. Tamalpais Comment
  CAS-BOT-BC234058  Elymus multisetus John Thomas Howell 1942-6-21 16990 Marin Carson Ridge Comment
  CAS-BOT-BC234677  Symphoricarpos mollis John Thomas Howell 1939-5-21 s.n. Marin Shelter Cove, Tiburon Comment
  CAS-BOT-BC234678  Symphoricarpos mollis John Thomas Howell 1939-8-27 15329 Marin Corte Madera Ridge, Mt. Tamalpais Comment
  CAS-BOT-BC235273  Sorghum bicolor John Thomas Howell 1959-11-4 s.n. Marin Sausalito Comment
  CAS-BOT-BC236612  Spartina foliosa John Thomas Howell 1957-9-15 32951 Marin Richardson Bay Comment
  CAS-BOT-BC236613  Spartina foliosa John Thomas Howell 1939-9-3 15331 Marin Corte Madera salt marsh Comment
  CAS-BOT-BC236614  Spartina foliosa John Thomas Howell 1945-8-14 21413 Marin Burdell marshes Comment
  CAS-BOT-BC236908  Chloropyron maritimum subsp. palustre John Thomas Howell 1945-6-30 21257 Marin Stinson Beach Comment
  CAS-BOT-BC237512  Polypogon viridis John Thomas Howell 1945-6-12 20947 Marin Whites Hill Comment
  CAS-BOT-BC237514  Polypogon viridis John Thomas Howell 1944-6-25 19641 Marin San Rafael Comment
  CAS-BOT-BC238513  Triphysaria floribunda John Thomas Howell 1945-6-3 20914 Marin Near Inverness Comment
  CAS-BOT-BC238514  Triphysaria floribunda John Thomas Howell 1939-5-28 s.n. Marin Pt. Reyes Lighthouse Comment
  CAS-BOT-BC238765  Sambucus nigra subsp. caerulea John Thomas Howell 1949-6-26 25352 Marin Deer Park, Fairfax hills Comment
  CAS-BOT-BC240004  Scribneria bolanderi John Thomas Howell 1946-5-12 21776 Marin South end of Carson Ridge Comment
  CAS-BOT-BC240005  Scribneria bolanderi John Thomas Howell 1946-4-13 s.n. Marin Near Rock Spring, Mt. Tamalpais Comment
  CAS-BOT-BC240008  Scribneria bolanderi John Thomas Howell 1945-5-27 20879 Marin Above Bootjack, Mt. Tamalpais Comment
  CAS-BOT-BC240060  Secale cereale John Thomas Howell 1945-5-9 20844 Marin Ignacio Comment
  CAS-BOT-BC24028  Arctostaphylos canescens subsp. canescens John Thomas Howell 1926-2-28 1652 Marin Mt. Tamalpais, Rock Spring Trail Comment
  CAS-BOT-BC240515  Lonicera hispidula John Thomas Howell 1939-5-21 s.n. Marin S. Tiburon Comment
  CAS-BOT-BC241295  Castilleja latifolia John Thomas Howell 1940-5-20 15515 Marin Pt. Reyes Comment
  CAS-BOT-BC241297  Castilleja latifolia John Thomas Howell 1941-5-18 16190 Marin Stinson Beach Comment
  CAS-BOT-BC241302  Castilleja latifolia John Thomas Howell 1933-10-8 11704 Marin Pt. Reyes Peninsula Comment
  CAS-BOT-BC241303  Castilleja latifolia John Thomas Howell 1947-6-18 23282 Marin North of Dillons Beach Comment
  CAS-BOT-BC243625  Setaria pumila John Thomas Howell 1954-10-21 30112 Marin Near Bootjack, Mt. Tamalpais Comment
  CAS-BOT-BC244164  Poa trivialis John Thomas Howell 1946-6-16 22076 Marin Inverness Park Comment
  CAS-BOT-BC244211  Poa unilateralis John Thomas Howell 1944-6-4 19557 Marin Inverness Ridge W of Inverness Comment
  CAS-BOT-BC244212  Poa unilateralis John Thomas Howell 1946-6-9 22008 Marin Pierce Ranch, N Point Reyes Peninsula Comment
  CAS-BOT-BC244214  Poa unilateralis John Thomas Howell 1933-4-12 10995 Marin Sausalito hills Comment
  CAS-BOT-BC244215  Poa unilateralis John Thomas Howell 1946-5-26 21953 Marin Point Reyes Lighthouse Comment
  CAS-BOT-BC244529  Poa secunda subsp. secunda John Thomas Howell 1941-4-17 s.n. Marin Tiburon Peninsula Comment
  CAS-BOT-BC244530  Poa secunda subsp. secunda John Thomas Howell 1965-4-6 1793 Marin Black Canyon at waterfall at E end of Mountain View Drive, San Rafael Hills Comment
  CAS-BOT-BC246320  Chloropyron maritimum subsp. palustre John Thomas Howell 1945-8-5 21370 Marin Stinson Beach Comment
  CAS-BOT-BC246669  Poa howellii John Thomas Howell 1939-5-14 14674 Marin Berry Trail, Mt. Tamalpais Comment
  CAS-BOT-BC24830  Arctostaphylos glandulosa subsp. cushingiana John Thomas Howell 1933-3-19 10868 Marin South side of Mt. Tamalpais above Mill Valley Comment
  CAS-BOT-BC24833  Arctostaphylos glandulosa subsp. cushingiana John Thomas Howell 1944-11-22 20768 Marin Inverness Ridge Comment
  CAS-BOT-BC24837  Arctostaphylos glandulosa subsp. cushingiana John Thomas Howell 1933-3-19 10868 Marin S. side of Mt. Tamalpais above Mill Valley. Comment
  CAS-BOT-BC24838  Arctostaphylos glandulosa subsp. cushingiana John Thomas Howell 1944-4-13 19383 Marin Big Rock Ridge w od Hamilton Field. Comment
  CAS-BOT-BC250600  Phalaris minor John Thomas Howell 1946-5-16 21856 Marin Angel Island, se. side Comment
  CAS-BOT-BC252831  Chorizanthe polygonoides var. polygonoides John Thomas Howell 1941-5-25 16229 Marin Between Potrero Meadow and Mt. Theater, Mt. Tamalpais Comment
  CAS-BOT-BC253835  Panicum dichotomiflorum John Thomas Howell 1988-9-15 s.n. Marin Nicasio Reservoir Comment
  CAS-BOT-BC253836  Panicum dichotomiflorum J. T. Howell 1988-8-10 s.n. Marin SW side of football field, Terra Linda High School Comment
  CAS-BOT-BC254416  Piptatherum miliaceum John Thomas Howell 1976-6-2 51806 Marin In park, Corte Madera Comment
  CAS-BOT-BC254661  Poa douglasii John Thomas Howell 1946-5-4 21741 Marin Dillons Beach Comment
  CAS-BOT-BC254662  Poa douglasii John Thomas Howell 1945-8-5 21369 Marin Stinson Beach Comment
  CAS-BOT-BC255036  Poa compressa John Thomas Howell 1954-8-29 30024 Marin West Point, Mount Tamalpais Comment
  CAS-BOT-BC255115  Poa confinis John Thomas Howell 1946-4-21 21682 Marin Near radio station, Point Reyes Peninsula Comment
  CAS-BOT-BC255853  Poa kelloggii John Thomas Howell 1950-5-18 26311 Marin Lagunitas Creek near Camp Taylor Comment
  CAS-BOT-BC255854  Poa kelloggii John Thomas Howell 1950-5-18 26311 Marin Lagunitas Creek near Camp Taylor Comment
  CAS-BOT-BC255855  Poa kelloggii John Thomas Howell 1943-5-2 17928 Marin Big Carson Canyon Comment
  CAS-BOT-BC257014  Chorizanthe membranacea John Thomas Howell 1941-5-18 s.n. Marin Near Bootjack, Mt. Tamalpais Comment
  CAS-BOT-BC258787  Pennisetum clandestinum John Thomas Howell 1965-10-13 41415 Marin John Thomas Howell Botanical Garden, Tiburon Comment
  CAS-BOT-BC258837  Phalaris angusta John Thomas Howell 1939-9-3 s.n. Marin Novato Creek Comment
  CAS-BOT-BC259065  Phalaris lemmonii John Thomas Howell 1945-5-6 20810 Marin San Rafael Hills Comment
  CAS-BOT-BC259066  Phalaris lemmonii John Thomas Howell 1945-5-9 20833 Marin Between Hamilton Field and Ignacio Comment
  CAS-BOT-BC259067  Phalaris lemmonii John Thomas Howell 1941-6-10 16275 Marin Near Black Point Comment
  CAS-BOT-BC259068  Phalaris lemmonii John Thomas Howell 1944-5-7 19426 Marin Greenbrae Comment
  CAS-BOT-BC259187  Eriogonum latifolium John Thomas Howell 1945-7-1 s.n. Marin Tiburon Comment
  CAS-BOT-BC259505  Eriogonum luteolum var. caninum John Thomas Howell 1937-7-4 13088 Marin Tiburon Comment
  CAS-BOT-BC259510  Eriogonum luteolum var. caninum John Thomas Howell 1945-9-2 s.n. Marin Black Canyon, San Rafael Hills Comment
  CAS-BOT-BC259521  Eriogonum luteolum var. caninum John Thomas Howell 1945-9-2 s.n. Marin Black Canyon, San Raphael [Rafael] Hills Comment
  CAS-BOT-BC259939  Nassella lepida John Thomas Howell 1944-7-7 19684 Marin Between Lagunitas Meadow and Fairfax Comment
  CAS-BOT-BC259940  Nassella lepida John Thomas Howell 1945-4-29 20796 Marin Fairfax Hills Comment
  CAS-BOT-BC260149  Nassella pulchra John Thomas Howell 1941-5-25 16211 Marin Rifle Camp, Mount Tamalpais Comment
  CAS-BOT-BC260166  Nassella pulchra John Thomas Howell 1938-5-22 13794 Marin San Anselmo Canyon Comment
  CAS-BOT-BC260167  Nassella pulchra John Thomas Howell 1943-5-15 18102 Marin Tiburon Peninsula Comment
  CAS-BOT-BC260168  Nassella pulchra John Thomas Howell 1946-4-18 s.n. Marin Black Point Comment
  CAS-BOT-BC260933  Pleuropogon californicus var. californicus John Thomas Howell 1941-6-10 16280 Marin Near Black Point Comment
  CAS-BOT-BC260950  Pleuropogon californicus var. californicus John Thomas Howell 1944-7-9 19691 Marin Mt. Vision, Inverness Ridge Comment
  CAS-BOT-BC262519  Melica torreyana John Thomas Howell 1939-5-21 14694 Marin South end of Tiburon Peninsula Comment
  CAS-BOT-BC262527  Melica torreyana John Thomas Howell 1940-5-12 15430 Marin Between Little Carson and Carson Ridge Comment
  CAS-BOT-BC262528  Melica torreyana John Thomas Howell 1939-5-14 14658 Marin Ross Comment
  CAS-BOT-BC262533  Melica torreyana John Thomas Howell 1966-4-18 41505 Marin Just north of John Thomas Howell Botanical Garden, Tiburon Comment
  CAS-BOT-BC263961  Viola adunca John Thomas Howell 1944-3-26 19344 Marin Above Ledum Swamp, Inverness Ridge Comment
  CAS-BOT-BC264158  Melica subulata John Thomas Howell 1946-5-30 21960 Marin Laurel Dell Trail, Mt. Tamalpais Comment
  CAS-BOT-BC264161  Melica subulata John Thomas Howell 1945-6-3 20916 Marin Near Inverness Comment
  CAS-BOT-BC264162  Melica subulata John Thomas Howell 1948-6-6 24336 Marin Steep Ravine, Mt. Tamalpais Comment
  CAS-BOT-BC265768  Phalaris aquatica John Thomas Howell No date on label. s.n. Marin Shore of Bolinas Bay just north of Stinson Beach Comment
  CAS-BOT-BC265770  Phalaris aquatica John Thomas Howell 1946-6-13 22018 Marin Ignacio Comment
  CAS-BOT-BC265858  Phalaris canariensis John Thomas Howell 1943-5-22 18123 Marin Deer Park near Fairfax Comment
  CAS-BOT-BC266052  Eriogonum latifolium John Thomas Howell 1933-10-8 11705 Marin Pt. Reyes Peninsula Comment
  CAS-BOT-BC266499  Githopsis diffusa John Thomas Howell 1943-5-22 18144 Marin Fairfax hills Comment
  CAS-BOT-BC267190  Potamogeton foliosus John Thomas Howell 1946-7-4 s.n. Marin Back of Dillons Beach Comment
  CAS-BOT-BC268920  Eriogonum nudum var. auriculatum John Thomas Howell 1939-6-25 14794 Marin Summit Avenue, Mill Valley Comment
  CAS-BOT-BC269578  Symphoricarpos albus var. laevigatus John Thomas Howell 1933-7-30 11475 Marin Near Inverness Comment
  CAS-BOT-BC27201  Arctostaphylos cushingiana f. repens John Thomas Howell 1944-6-4 19537 Marin Inverness Ridge Comment
  CAS-BOT-BC272229  Leymus pacificus John Thomas Howell 1948-6-6 24335 Marin Stinson Beach Comment
  CAS-BOT-BC272255  Leymus X multiflorus John Thomas Howell 1946-5-16 s.n. Marin Angel Island Comment
  CAS-BOT-BC273580  Leymus californicus John Thomas Howell 1945-7-15 21299 Marin Fairfax Hills Comment
  CAS-BOT-BC274401  Leymus mollis John Thomas Howell 1945-6-30 21250 Marin Stinson Beach Comment
  CAS-BOT-BC274484  Leymus triticoides John Thomas Howell 1946-6-9 22002 Marin Abbotts Lagoon Comment
  CAS-BOT-BC274485  Leymus triticoides John Thomas Howell 1944-9-24 20741 Marin Stinson Beach Comment
  CAS-BOT-BC274486  Leymus triticoides John Thomas Howell 1944-6-25 19637 Marin San Rafael Comment
  CAS-BOT-BC274487  Leymus triticoides John Thomas Howell 1939-5-21 s.n. Marin West side, Tiburon Peninsula Comment
  CAS-BOT-BC274572  Centaurea calcitrapa John Thomas Howell 1944-6-25 19671 Marin Between McNear's Landing and San Rafael Comment
  CAS-BOT-BC278319  Festuca californica subsp. californica John Thomas Howell 1939-5-14 14667 Marin Between Phoenix Lake and Lake Lagunitas Comment
  CAS-BOT-BC278324  Festuca californica subsp. californica John Thomas Howell 1943-4-11 17912 Marin Black Canyon, San Rafael hills Comment
  CAS-BOT-BC278327  Festuca californica subsp. californica John Thomas Howell 1946-5-16 21888 Marin Angel Island Comment
  CAS-BOT-BC278328  Festuca californica subsp. californica John Thomas Howell 1941-5-25 16205 Marin Arturo Trail, Mt. Tamalpais Comment
  CAS-BOT-BC278331  Festuca californica subsp. californica John Thomas Howell 1945-6-12 20952 Marin Near radio station; Pt. Reyes Peninsula Comment
  CAS-BOT-BC278332  Festuca californica subsp. californica John Thomas Howell 1939-5-14 14675 Marin Berry Trail, Mt. Tamalpais Comment
  CAS-BOT-BC278333  Festuca californica subsp. californica John Thomas Howell 1938-6-19 13920 Marin Bootjack, Mt. Tamalpais Comment
  CAS-BOT-BC278439  Festuca idahoensis John Thomas Howell 1944-5-21 19492 Marin Lagunitas Meadows, Mt. Tamalpais Comment
  CAS-BOT-BC27857  Blennosperma nanum var. robustum John Thomas Howell 1947-5-14 23153 Marin Pt. Reyes Peninsula above McClure Beach Comment
  CAS-BOT-BC27858  Blennosperma nanum var. robustum John Thomas Howell 1947-5-14 23153 Marin Pt. Reyes Peninsula above McClure Beach Comment
  CAS-BOT-BC278983  Festuca rubra John Thomas Howell 1943-6-8 18220 Marin Tiburon Comment
  CAS-BOT-BC278985  Festuca rubra John Thomas Howell 1941-5-25 16216 Marin Rifle Camp, Mt. Tamalpais Comment
  CAS-BOT-BC278986  Festuca rubra John Thomas Howell 1939-6-18 14780 Marin Near Mud Lake Comment
  CAS-BOT-BC278987  Festuca rubra John Thomas Howell 1939-5-21 14693 Marin South end of Tiburon Peninsula Comment
  CAS-BOT-BC280462  Cirsium quercetorum John Thomas Howell 1944-7-9 19687 Marin Inverness Ridge Comment
  CAS-BOT-BC280466  Cirsium quercetorum John Thomas Howell 1939-6-18 14774 Marin Near Mud Lake Comment
  CAS-BOT-BC280467  Cirsium quercetorum John Thomas Howell 1943-6-6 18200 Marin Between Mill Valley and Muir Woods Comment
  CAS-BOT-BC280470  Cirsium quercetorum John Thomas Howell 1943-6-13 18235 A Marin Sausalito Comment
  CAS-BOT-BC280754  Holcus lanatus John Thomas Howell 1943-6-13 s.n. Marin Sausalito Comment
  CAS-BOT-BC280756  Holcus lanatus John Thomas Howell 1945-7-29 21355 Marin Bolinas Comment
  CAS-BOT-BC281332  Melica harfordii John Thomas Howell 1938-6-19 13928 Marin Near Rattlesnake, Mt Tamalpais Comment
  CAS-BOT-BC281333  Melica harfordii John Thomas Howell 1939-6-25 s.n. Marin West Point, Mt Tamalpais Comment
  CAS-BOT-BC281334  Melica harfordii John Thomas Howell 1941-5-25 16204 Marin Arturo Trail, Mt Tamalpais Comment
  CAS-BOT-BC281717  Carduus pycnocephalus John Thomas Howell 1946-5-4 21754 Marin Along Redwood Highway near Burdell Comment
  CAS-BOT-BC281718  Carduus pycnocephalus John Thomas Howell 1946-5-4 21754 Marin Along Redwood Highway near Burdell Comment
  CAS-BOT-BC282143  Melica geyeri John Thomas Howell 1946-4-14 21608 Marin Near Tomales Comment
  CAS-BOT-BC282145  Melica geyeri John Thomas Howell 1947-5-18 23185 Marin Lagunitas Meadows Comment
  CAS-BOT-BC282146  Melica geyeri John Thomas Howell 1947-5-18 23185 Marin Lagunitas Meadows at foot of Berry Trail Comment
  CAS-BOT-BC282147  Melica geyeri John Thomas Howell 1942-5-16 s.n. Marin Sausalito Hills Comment
  CAS-BOT-BC282503  Festuca elmeri John Thomas Howell 1944-7-7 s.n. Marin Camp Handy, Mt. Tamalpais Comment
  CAS-BOT-BC282504  Festuca elmeri John Thomas Howell 1947-5-8 23148 Marin Sausalito Comment
  CAS-BOT-BC282505  Festuca elmeri John Thomas Howell 1943-5-9 17952 Marin Black Canyon, San Rafael hills Comment
  CAS-BOT-BC282506  Festuca elmeri John Thomas Howell 1947-5-4 23121 Marin San Rafael Hills Comment
  CAS-BOT-BC282507  Festuca elmeri John Thomas Howell 1948-5-22 24310 Marin Above Phoenix Lake, Mt. Tamalpais Comment
  CAS-BOT-BC282508  Festuca elmeri John Thomas Howell 1945-5-13 20860 Marin Fairfax Hills n. of Phoenix Lake Comment
  CAS-BOT-BC282799  Glyceria leptostachya John Thomas Howell 1947-5-18 s.n. Marin E. end of Alpine Lake, Mt. Tamalpais Comment
  CAS-BOT-BC282801  Glyceria leptostachya John Thomas Howell 1946-6-16 22077 Marin Olema Marshes Comment
  CAS-BOT-BC282802  Glyceria leptostachya John Thomas Howell 1946-6-13 22039 Marin Chileno Valley Comment
  CAS-BOT-BC282803  Glyceria leptostachya John Thomas Howell 1939-7-2 14823 Marin Elk Valley Comment
  CAS-BOT-BC282804  Glyceria leptostachya John Thomas Howell 1943-6-6 18198 Marin Between Mill Valley and Muir Woods Comment
  CAS-BOT-BC282878  Hainardia cylindrica John Thomas Howell 1946-5-16 s.n. Marin Angel Island Comment
  CAS-BOT-BC283201  Lolium multiflorum John Thomas Howell 1945-5-9 s.n. Marin Ignacio Comment
  CAS-BOT-BC283447  Lolium multiflorum John Thomas Howell 1966-6-9 41553 Marin SE corner of John Thomas Howell Botanical Garden, Tiburon Comment
  CAS-BOT-BC283448  Lolium multiflorum John Thomas Howell 1945-7-29 21354 Marin Bolinas Comment
  CAS-BOT-BC283450  Lolium multiflorum John Thomas Howell 1943-8-5 s.n. Marin Stinson Beach, in salt marsh Comment
  CAS-BOT-BC283521  Leymus X vancouverensis John Thomas Howell 1946-7-4 22177 Marin Dillons Beach Comment
  CAS-BOT-BC283522  Leymus X vancouverensis John Thomas Howell 1946-7-4 22177 Marin Dillons Beach Comment
  CAS-BOT-BC283526  Leymus X vancouverensis John Thomas Howell 1946-7-4 22177 Marin Dillons Beach Comment
  CAS-BOT-BC28385  Carex gracilior John Thomas Howell 1943-4-11 17898 Marin Black Canyon, San Rafael Hills. Comment
  CAS-BOT-BC285798  Cirsium vulgare John Thomas Howell 1950-6-18 26629 Marin Fern Canyon, Mt. Tamalpais Comment
  CAS-BOT-BC286131  Conyza canadensis John Thomas Howell 1944-3-26 19349 Marin Pt. Reyes road west of Ledum Swamp Comment
  CAS-BOT-BC286523  Cirsium occidentale var. venustum John Thomas Howell 1946-5-14 21845 Marin Along road between Rock Spring and Summit Meadow, Mt. Tamalpais Comment
  CAS-BOT-BC286525  Cirsium occidentale var. venustum John Thomas Howell 1939-6-25 14790 Marin Summit Avenue, Mill Valley Comment
  CAS-BOT-BC286531  Cirsium occidentale var. venustum John Thomas Howell 1939-6-25 14800 Marin Summit Avenue, Mill Valley Comment
  CAS-BOT-BC286532  Cirsium occidentale var. venustum John Thomas Howell 1941-6-10 16288 Marin Black Point Comment
  CAS-BOT-BC286534  Cirsium occidentale var. venustum John Thomas Howell 1943-5-30 18188 Marin Northside Trail, Mt. Tamalpais Comment
  CAS-BOT-BC286535  Cirsium occidentale var. venustum John Thomas Howell 1943-5-30 18188 Marin Northside Trail, Mt. Tamalpais Comment
  CAS-BOT-BC28669  Achillea millefolium John Thomas Howell 1944-7-23 19850 Marin Santa Venetia Comment
  CAS-BOT-BC28671  Achillea millefolium John Thomas Howell 1946-6-30 22154 Marin Rodeo Lagoon Comment
  CAS-BOT-BC287389  Deinandra corymbosa John Thomas Howell 1939-9-3 15336 Marin Near Black Point Comment
  CAS-BOT-BC287393  Deinandra corymbosa John Thomas Howell 1939-9-3 15336 Marin Near Black Point Comment
  CAS-BOT-BC287397  Deinandra corymbosa John Thomas Howell 1945-9-2 21461 Marin San Rafael Hills Comment
  CAS-BOT-BC288684  Cirsium quercetorum John Thomas Howell 1939-6-4 14718 Marin Point Reyes lighthouse Comment
  CAS-BOT-BC288686  Cirsium quercetorum John Thomas Howell 1939-6-4 14721 Marin Point Reyes lighthouse Comment
  CAS-BOT-BC288690  Cirsium quercetorum John Thomas Howell 1939-6-25 14796 Marin Summit Avenue, Mill Valley Comment
  CAS-BOT-BC288735  Cirsium remotifolium John Thomas Howell 1939-6-25 14796 Marin Summit Avenue, Mill Valley Comment
  CAS-BOT-BC288736  Cirsium remotifolium John Thomas Howell 1939-6-25 14799 Marin Summit Avenue, Mill Valley Comment
  CAS-BOT-BC288737  Cirsium remotifolium John Thomas Howell 1939-6-25 14795 Marin Summit Avenue, Mill Valley Comment
  CAS-BOT-BC288742  Cirsium remotifolium John Thomas Howell 1940-5-26 15520 Marin San Anselmo Canyon Comment
  CAS-BOT-BC288743  Cirsium remotifolium John Thomas Howell 1946-5-16 21878 Marin Angel Island, S side Comment
  CAS-BOT-BC288744  Cirsium remotifolium John Thomas Howell 1943-5-30 18181 Marin Summit Ave, Mill Valley Comment
  CAS-BOT-BC289349  Hordeum murinum subsp. glaucum John Thomas Howell 1942-7-12 s.n. Marin Potrero Meadows, Mt. Tamalpais Comment
  CAS-BOT-BC289499  Hordeum brachyantherum subsp. californicum John Thomas Howell 1941-5-25 s.n. Marin Potrero Meadows, Mt. Tamalpais Comment
  CAS-BOT-BC289501  Hordeum brachyantherum subsp. californicum John Thomas Howell 1948-5-31 24328 Marin Devil's Gulch near Camp Taylor Comment
  CAS-BOT-BC289502  Hordeum brachyantherum subsp. californicum John Thomas Howell 1948-5-31 24328 Marin Devil's Gulch near Camp Taylor Comment
  CAS-BOT-BC289503  Hordeum brachyantherum subsp. californicum John Thomas Howell 1966-6-9 41562 Marin South of church, John Thomas Howel Botanical Garden, Tiburon Comment
  CAS-BOT-BC289504  Hordeum brachyantherum subsp. californicum John Thomas Howell 1942-6-21 s.n. Marin San Anselmo Canyon Comment
  CAS-BOT-BC29523  Agoseris apargioides J. T. Howell 1946-5-4 21753 Marin Dillons Beach Comment
  CAS-BOT-BC295740  Erigeron petrophilus var. petrophilus John Thomas Howell 1942-7-12 17034 Marin Northside Trail, Mt. Tamalpais Comment
  CAS-BOT-BC297989  Eriophyllum confertiflorum John Thomas Howell 1927-9-9 3094 Marin Between Mill Valley and Muir Woods 213 Comment
  CAS-BOT-BC300237  Erigeron reductus var. angustatus John Thomas Howell 1946-7-7 22197 Marin South of Barths Retreat, Mt. Tamalpais Comment
  CAS-BOT-BC300238  Erigeron reductus var. angustatus John Thomas Howell 1946-7-7 22197 Marin South of Barths Retreat, Mt. Tamalpais Comment
  CAS-BOT-BC302620  Gnaphalium palustre John Thomas Howell 1942-7-12 s.n. Marin Potrero Meadows, Mt. Tamalpais Comment
  CAS-BOT-BC304427  Grindelia hirsutula John Thomas Howell 1933-7-30 11485 Marin Shores of Bolinas Bay Comment
  CAS-BOT-BC304432  Grindelia hirsutula John Thomas Howell 1944-9-10 20739 Marin Inverness Comment
  CAS-BOT-BC304433  Grindelia hirsutula John Thomas Howell 1944-7-9 19719 Marin South of Tomales Bay Comment
  CAS-BOT-BC304434  Grindelia hirsutula John Thomas Howell 1957-9-15 32961 Marin Larkspur Comment
  CAS-BOT-BC304446  Grindelia hirsutula John Thomas Howell 1933-4-12 10997 Marin Sausalito Hills Comment
  CAS-BOT-BC304460  Grindelia hirsutula John Thomas Howell 1933-7-30 11483 Marin Between Inverness and Pt. Reyes Station Comment
  CAS-BOT-BC304473  Grindelia hirsutula J. T. Howell 1933-7-23 s.n. Marin Sausalito Hills Comment
  CAS-BOT-BC304474  Grindelia hirsutula J. T. Howell 1933-7-30 11463 Marin White's Hill, between Fairfax and Woodacre Comment
  CAS-BOT-BC304475  Grindelia hirsutula John Thomas Howell 1925-4-5 896 Marin Pipeline Trail Comment
  CAS-BOT-BC304476  Grindelia hirsutula John Thomas Howell 1933-4-12 10996 Marin Sausalito Hills Comment
  CAS-BOT-BC304478  Grindelia hirsutula John Thomas Howell 1933-7-23 11456 Marin Sausalito Hills Comment
  CAS-BOT-BC304488  Grindelia hirsutula John Thomas Howell 1933-10-8 11701 Marin Pt. Reyes Peninsula Comment
  CAS-BOT-BC304490  Grindelia hirsutula John Thomas Howell 1946-8-23 22889 Marin Pierce Pt. road, Pt. Reyes Peninsula Comment
  CAS-BOT-BC304501  Grindelia hirsutula John Thomas Howell 1947-5-14 23167 Marin McClure Beach Comment
  CAS-BOT-BC304585  Gutierrezia californica John Thomas Howell 1967-9-30 44017 Marin West side of Angel Island Comment
  CAS-BOT-BC305351  Helianthus annuus John Thomas Howell 1946-9-20 23011 Marin Novato Comment
  CAS-BOT-BC306192  Hemizonia congesta subsp. congesta John Thomas Howell 1946-6-13 22046 Marin East of Aurora School at Sonoma Co. line Comment
  CAS-BOT-BC306194  Hemizonia congesta subsp. congesta John Thomas Howell 1945-7-29 21337 Marin Bolinas Comment
  CAS-BOT-BC306195  Hemizonia congesta subsp. congesta John Thomas Howell 1946-9-8 22989 Marin Near Ignacio Comment
  CAS-BOT-BC306196  Hemizonia congesta subsp. congesta John Thomas Howell 1946-9-8 22989 Marin Near Ignacio Comment
  CAS-BOT-BC306249  Hemizonia congesta subsp. lutescens John Thomas Howell 1944-9-24 20746 Marin Stinson Beach Comment
  CAS-BOT-BC306252  Hemizonia congesta subsp. lutescens John Thomas Howell 1946-9-8 22991 Marin Near Ignacio Comment
  CAS-BOT-BC306653  Helenium bigelovii John Thomas Howell 1937-7-4 13086 Marin Tiburon Comment
  CAS-BOT-BC309609  Hemizonia congesta subsp. lutescens John Thomas Howell 1924-8-31 648 Marin Near Phoenix Lake Comment
  CAS-BOT-BC30977  Bolboschoenus maritimus John Thomas Howell 1945-7-8 s.n. Marin Burdell Sta. Comment
  CAS-BOT-BC310181  Hesperevax sparsiflora var. brevifolia John Thomas Howell 1930-4-20 4722 Marin 5 miles from Inverness, Pt. Reyes Peninsula Comment
  CAS-BOT-BC310182  Hesperevax sparsiflora var. brevifolia John Thomas Howell 1944-6-4 19566 Marin Near Mt. Vision west of Inverness Comment
  CAS-BOT-BC310219  Hesperevax sparsiflora var. brevifolia John Thomas Howell 1947-4-23 23063 Marin Drakes Estero west of Mt. Vision Comment
  CAS-BOT-BC310223  Hesperevax sparsiflora var. sparsiflora John Thomas Howell 1947-4-13 s.n. Marin Tiburon Peninsula Comment
  CAS-BOT-BC311070  Heterotheca oregona var. rudis John Thomas Howell 1945-9-16 21489 Marin Along railroad north of San Rafael Comment
  CAS-BOT-BC311176  Heterotheca sessiliflora subsp. bolanderi John Thomas Howell 1943-6-13 s.n. Marin Sausalito Comment
  CAS-BOT-BC311177  Heterotheca sessiliflora subsp. bolanderi John Thomas Howell 1946-8-23 22890 Marin Pierce Pt. road, Pt. Reyes Peninsula Comment
  CAS-BOT-BC314421  Grindelia hirsutula John Thomas Howell 1957-9-15 32961 Marin Saltmarsh, Larkspur Comment
  CAS-BOT-BC314434  Grindelia hirsutula John Thomas Howell 1933-7-30 11483 Marin Head of Tomales Bay Comment
  CAS-BOT-BC314435  Grindelia hirsutula John Thomas Howell 1933-7-30 11483 Marin Between Inverness and Pt. Reyes Station Comment
  CAS-BOT-BC314437  Grindelia hirsutula John Thomas Howell 1933-7-30 11487 Marin 7 miles S of Bolinas Bay on road to Sausalito Comment
  CAS-BOT-BC314438  Grindelia hirsutula John Thomas Howell 1933-7-30 11488 Marin 7 miles S of Bolinas Bay on road to Sausalito Comment
  CAS-BOT-BC314448  Grindelia hirsutula John Thomas Howell 1946-6-20 22110 Marin 4 mi. S. of Olema Comment
  CAS-BOT-BC314450  Grindelia hirsutula John Thomas Howell 1945-9-16 21491 Marin Along railroad north of San Rafael Comment
  CAS-BOT-BC314459  Grindelia hirsutula John Thomas Howell 1944-5-7 19437 Marin Baltimore Park Comment
  CAS-BOT-BC314469  Grindelia hirsutula John Thomas Howell 1945-7-1 21265 Marin Tiburon Comment
  CAS-BOT-BC314471  Grindelia hirsutula John Thomas Howell 1945-7-15 21292 Marin Ridgecrest Blvd. at Fairfax city limits Comment
  CAS-BOT-BC314473  Grindelia hirsutula John Thomas Howell 1941-6-10 16290 Marin Black Point Comment
  CAS-BOT-BC314474  Grindelia hirsutula John Thomas Howell 1946-5-19 21905 Marin Meadows Club, Fairfax Hills Comment
  CAS-BOT-BC314475  Grindelia hirsutula John Thomas Howell 1946-5-16 21882 Marin Angel Island, on west side Comment
  CAS-BOT-BC31589  Carex luzulina var. luzulina John Thomas Howell 1945-8-19 21422 Marin Near Ledum Swamp. Comment
  CAS-BOT-BC31590  Carex luzulina var. luzulina John Thomas Howell; J. W. Stacey 1936-6-7 12641 Marin Ledum Swamp on road to Point Reyes. Comment
  CAS-BOT-BC31609  Carex luzulina var. ablata John Thomas Howell 1938-6-5 13896 Marin Mt. Tamalpais, Azalea Flat. Comment
  CAS-BOT-BC31654  Carex lyngbyei John Thomas Howell 1949-5-22 25323 Marin Salt marsh, 1 mi S of Inverness. Comment
  CAS-BOT-BC320305  Holocarpha virgata John Thomas Howell 1956-9-13 31876 Marin Lagunitas Meadows near Lake Lagunitas Comment
  CAS-BOT-BC321791  Layia gaillardioides John Thomas Howell 1947-4-27 23091 Marin Bald Mt. west of San Anselmo Comment
  CAS-BOT-BC322599  Micropus amphibolus John Thomas Howell 1943-4-11 17921 Marin Black Canyon, San Rafael Hills Comment
  CAS-BOT-BC322601  Micropus amphibolus John Thomas Howell 1946-5-16 21871 Marin S. side, Angel Island Comment
  CAS-BOT-BC322602  Micropus amphibolus John Thomas Howell 1943-5-15 18085 Marin Tiburon Peninsula Comment
  CAS-BOT-BC322603  Micropus amphibolus John Thomas Howell 1944-4-13 19387 Marin Big Rock Ridge west of Hamilton Field Comment
  CAS-BOT-BC322608  Micropus amphibolus John Thomas Howell 1943-4-11 17921 Marin Black Canyon, San Rafael Hills Comment
  CAS-BOT-BC322732  Microseris paludosa John Thomas Howell 1947-4-30 23112 Marin Dillons Beach Comment
  CAS-BOT-BC322733  Microseris paludosa John Thomas Howell 1947-4-30 23112 Marin Dillons Beach Comment
  CAS-BOT-BC322738  Microseris paludosa John Thomas Howell 1944-5-14 19457 Marin Hills near Salmon Creek School Comment
  CAS-BOT-BC322741  Microseris paludosa John Thomas Howell 1946-6-13 22054 Marin East of Dillons Beach Comment
  CAS-BOT-BC322742  Microseris paludosa John Thomas Howell 1946-6-13 22054 Marin East of Dillons Beach Comment
  CAS-BOT-BC324140  Lessingia hololeuca John Thomas Howell 1926-10-20 2223 Marin Corte Madera Comment
  CAS-BOT-BC324151  Lessingia hololeuca John Thomas Howell 1946-9-8 22992 Marin Near Ignacio Comment
  CAS-BOT-BC324152  Lessingia hololeuca John Thomas Howell 1946-9-8 22992 Marin Near Ignacio Comment
  CAS-BOT-BC324153  Lessingia hololeuca John Thomas Howell 1926-10-20 2222 Marin On ridge between Alto and Chapman Comment
  CAS-BOT-BC324158  Lessingia hololeuca John Thomas Howell 1957-9-15 32957 Marin near Mill Valley Comment
  CAS-BOT-BC324200  Lessingia micradenia var. micradenia John Thomas Howell 1927-5-8 2360 Marin Phoenix Lake Comment
  CAS-BOT-BC331532  Acer macrophyllum John Thomas Howell 1927-5-8 2357 Marin Ross Valley Comment
  CAS-BOT-BC336653  Acer negundo var. californicum John Thomas Howell 1944-5-7 19443 Marin Larkspur Comment
  CAS-BOT-BC338179  Lasthenia californica John Thomas Howell 1947-4-30 23115 Marin Dillons Beach Comment
  CAS-BOT-BC34028  Carex brevicaulis John Thomas Howell 1944-4-2 19359 Marin Bolinas Ridge. Comment
  CAS-BOT-BC34031  Carex brevicaulis John Thomas Howell 1946-5-4 21727 Marin Near Dillons Beach. Comment
  CAS-BOT-BC34036  Carex brevicaulis John Thomas Howell 1946-5-16 21850 Marin Angel Island, southeast side. Comment
  CAS-BOT-BC34039  Carex brevicaulis John Thomas Howell 1946-4-21 21683 Marin Down near radio station. Pt. Reyes Peninsula. Comment
  CAS-BOT-BC34074  Carex brevicaulis John Thomas Howell 1938-6-19 13925 Marin Head of Steep Ravine, Mt. Tamalpais. Comment
  CAS-BOT-BC341498  Lagophylla ramosissima John Thomas Howell 1945-9-2 21453 Marin San Rafael Hills Comment
  CAS-BOT-BC342210  Logfia filaginoides John Thomas Howell 1943-4-11 17899 Marin Black Canyon, San Rafael hills Comment
  CAS-BOT-BC342626  Madia anomala John Thomas Howell 1946-5-25 21932 Marin Greenbrae Hills Comment
  CAS-BOT-BC342627  Madia anomala John Thomas Howell 1946-5-25 21932 Marin Greenbrae Hills Comment
  CAS-BOT-BC342631  Madia anomala John Thomas Howell 1943-5-22 18136 Marin Fairfax hills Comment
  CAS-BOT-BC342632  Madia anomala John Thomas Howell 1943-5-22 18136 Marin Fairfax hills Comment
  CAS-BOT-BC342633  Madia anomala John Thomas Howell 1941-6-10 16284 Marin Black Point Comment
  CAS-BOT-BC343089  Madia gracilis John Thomas Howell 1945-6-3 20935 Marin Shell Beach Comment
  CAS-BOT-BC343604  Madia sativa John Thomas Howell 1940-6-9 s.n. Marin Tiburon Comment
  CAS-BOT-BC343606  Madia sativa John Thomas Howell 1946-5-25 21930 Marin Greenbrae Hills Comment
  CAS-BOT-BC34390  Carex cusickii John Thomas Howell 1958-6-28 33641 Marin Willow Meadow, Mt. Tamalpais. Comment
  CAS-BOT-BC34393  Carex cusickii John Thomas Howell 1938-6-5 13902 Marin Rock Spring, Mt. Tamalpais. Comment
  CAS-BOT-BC344387  Madia exigua John Thomas Howell 1946-5-12 21780 Marin Carson Ridge Comment
  CAS-BOT-BC348501  Micropus californicus var. californicus John Thomas Howell 1947-5-4 23134 Marin San Rafael Hills Comment
  CAS-BOT-BC348741  Microseris bigelovii John Thomas Howell 1943-5-22 18150 Marin Fairfax Hills Comment
  CAS-BOT-BC348742  Microseris bigelovii John Thomas Howell 1946-5-19 21910 Marin Meadows Club, Fairfax Hills Comment
  CAS-BOT-BC348745  Microseris bigelovii John Thomas Howell 1946-5-16 21859 Marin Angel Island, se. side Comment
  CAS-BOT-BC348747  Microseris bigelovii John Thomas Howell 1947-5-4 23128 Marin San Rafael Hills Comment
  CAS-BOT-BC348929  Microseris douglasii subsp. douglasii John Thomas Howell 1942-6-21 16979 Marin Carson Ridge Comment
  CAS-BOT-BC348930  Microseris douglasii subsp. douglasii John Thomas Howell 1946-5-14 21837 Marin Between Barth's Retreat and Potrero Meadow, Mt. Tamalpais Comment
  CAS-BOT-BC348939  Microseris douglasii subsp. douglasii John Thomas Howell 1947-5-18 23175 Marin Fairfax hills Comment
  CAS-BOT-BC348940  Microseris douglasii subsp. douglasii John Thomas Howell 1942-6-21 16979 Marin Carson Ridge Comment
  CAS-BOT-BC35005  Carex densa John Thomas Howell 1941-6-10 16299 Marin 9 miles west of Novato. Comment
  CAS-BOT-BC35006  Carex densa John Thomas Howell 1946-6-13 22051 A Marin East of Aurora School at Sonoma County Line. Comment
  CAS-BOT-BC35009  Carex densa John Thomas Howell 1943-5-22 18152 Marin Lagunitas Meadows. Comment
  CAS-BOT-BC35012  Carex densa John Thomas Howell; J. W. Stacey 1936-6-7 12659 Marin Mill Valley. Comment
  CAS-BOT-BC35017  Carex densa John Thomas Howell 1943-5-15 18076 Marin Tiburon Peninsula. Comment
  CAS-BOT-BC35018  Carex densa John Thomas Howell 1943-5-15 18077 Marin Tiburon Peninsula. Comment
  CAS-BOT-BC35022  Carex densa John Thomas Howell 1944-7-2 s.n. Marin Mt. Tamalpais. Potrero Meadow. Comment
  CAS-BOT-BC35024  Carex densa John Thomas Howell 1945-7-1 21263 Marin Tiburon. Comment
  CAS-BOT-BC35036  Carex densa John Thomas Howell 1938-5-22 13790 Marin San Anselmo Canyon. Comment
  CAS-BOT-BC35039  Carex densa John Thomas Howell 1943-5-2 17935 Marin Big Carson Canyon. Comment
  CAS-BOT-BC35040  Carex densa John Thomas Howell 1944-4-23 19401 Marin Hills SE of Kentfield. Comment
  CAS-BOT-BC35042  Carex densa John Thomas Howell 1946-6-16 s.n. Marin Inverness Park. Comment
  CAS-BOT-BC355479  Lasthenia glaberrima John Thomas Howell 1941-6-10 16305 Marin 9 mi. W of Novato Comment
  CAS-BOT-BC356726  Pseudognaphalium californicum John Thomas Howell 1939-7-2 14829 Marin Ridge between Tennessee Cove and Pirates Cove Comment
  CAS-BOT-BC356736  Pseudognaphalium californicum John Thomas Howell 1939-6-18 14771 Marin Near Mud Lake Comment
  CAS-BOT-BC356737  Pseudognaphalium californicum John Thomas Howell 1943-5-9 17956 Marin Black Canyon, San Rafael hills Comment
  CAS-BOT-BC356738  Pseudognaphalium californicum John Thomas Howell 1939-7-2 14827 Marin Ridge between Tennessee Cove and Pirates Cove Comment
  CAS-BOT-BC36112  Lithocarpus densiflorus var. densiflorus John Thomas Howell 1940-2-4 s.n. Marin South side of Mt. Tamalpais Comment
  CAS-BOT-BC36113  Lithocarpus densiflorus var. densiflorus John Thomas Howell 1947-5-25 23206 Marin Mt. Tamalpais, Berry Trail Comment
  CAS-BOT-BC36114  Lithocarpus densiflorus var. densiflorus John Thomas Howell 1947-5-25 23206 Marin Berry Trail, Mt. Tamalpais Comment
  CAS-BOT-BC361945  Psilocarphus tenellus John Thomas Howell 1946-5-12 21793 Marin Carson Ridge Comment
  CAS-BOT-BC361947  Psilocarphus tenellus John Thomas Howell 1952-6-3 28323 Marin Near radio station, Pt. Reyes Peninsula Comment
  CAS-BOT-BC361948  Psilocarphus tenellus John Thomas Howell; Catherine Best; Wilma Follette; Gordon H. True 1980-6-19 53728 Marin Near Abbotts Lagoon, Point Reyes Peninsula Comment
  CAS-BOT-BC362484  Rafinesquia californica John Thomas Howell 1945-5-6 20808 Marin San Rafael Hills Comment
  CAS-BOT-BC362485  Rafinesquia californica John Thomas Howell 1945-6-3 20937 Marin Shell Beach Comment
  CAS-BOT-BC362912  Rigiopappus leptocladus John Thomas Howell 1942-6-21 16989 Marin Carson Ridge Comment
  CAS-BOT-BC362913  Rigiopappus leptocladus John Thomas Howell 1942-7-12 17022 Marin Potrero Meadows, Mt. Tamalpais Comment
  CAS-BOT-BC363329  Senecio aronicoides John Thomas Howell 1925-4-5 922 Marin Pipeline Trail Comment
  CAS-BOT-BC365042  Solidago velutina subsp. californica John Thomas Howell 1945-9-2 21458 Marin San Rafael Hills Comment
  CAS-BOT-BC365047  Solidago velutina subsp. californica John Thomas Howell 1946-8-23 22886 Marin Pierce Pt. road, Pt. Reyes Peninsula Comment
  CAS-BOT-BC365862  Soliva sessilis John Thomas Howell 1969-4-27 45554 Marin San Rafael Hills near McNears Beach Comment
  CAS-BOT-BC366966  Lasthenia minor John Thomas Howell 1930-4-20 4733 Marin Pt Reyes Comment
  CAS-BOT-BC366967  Lasthenia minor John Thomas Howell 1930-4-20 4733 Marin Pt Reyes Comment
  CAS-BOT-BC372296  Layia platyglossa John Thomas Howell 1930-4-20 4735 Marin Pt. Reyes Comment
  CAS-BOT-BC37471  Cardamine californica John Thomas Howell 1949-4-6 25297 Marin Low field, Ingacio. Comment
  CAS-BOT-BC374826  Stebbinsoseris heterocarpa John Thomas Howell 1946-5-12 s.n. Marin Fairfax Country Club Comment
  CAS-BOT-BC374827  Stebbinsoseris heterocarpa John Thomas Howell 1944-5-27 19502 Marin Summit Ave. ridge, Mt. Tamalpais Comment
  CAS-BOT-BC374831  Stebbinsoseris heterocarpa John Thomas Howell 1946-5-19 21908 Marin Meadows Club, Fairfax Hills Comment
  CAS-BOT-BC374832  Stebbinsoseris heterocarpa John Thomas Howell 1944-5-27 19502 Marin Summit Ave. ridge, Mt. Tamalpais Comment
  CAS-BOT-BC375221  Stephanomeria elata John Thomas Howell 1945-7-15 21296 Marin Fairfax Hills Comment
  CAS-BOT-BC375222  Stephanomeria elata John Thomas Howell 1945-9-2 21456 Marin San Rafael Hills Comment
  CAS-BOT-BC375223  Stephanomeria elata John Thomas Howell 1944-9-24 20749 Marin East side of Bolinas Lagoon Comment
  CAS-BOT-BC375225  Stephanomeria elata John Thomas Howell 1939-8-27 15321 Marin Near Phoenix Lake Comment
  CAS-BOT-BC375825  Stephanomeria virgata John Thomas Howell 1945-7-15 21295 Marin Fairfax Hills Comment
  CAS-BOT-BC375827  Stephanomeria virgata John Thomas Howell 1939-10-15 15378 Marin Fairfax Comment
  CAS-BOT-BC381919  Uropappus lindleyi John Thomas Howell 1944-7-9 19702 Marin Inverness Ridge Comment
  CAS-BOT-BC381922  Uropappus lindleyi John Thomas Howell 1943-5-9 17984 Marin San Rafael Hills Comment
  CAS-BOT-BC381923  Uropappus lindleyi John Thomas Howell 1945-5-6 20802 Marin San Rafael Hills Comment
  CAS-BOT-BC38522  Arctostaphylos montana subsp. montana John Thomas Howell 1927-8-27 3039 Marin On Rock Spring Trail, w. of West Point, Mt. Tamalpais. 548 Comment
  CAS-BOT-BC38540  Arctostaphylos montana subsp. montana John Thomas Howell 1930-7-20 5380 Marin Near Phoenix Lake. Comment
  CAS-BOT-BC388681  Minuartia douglasii John Thomas Howell 1940-5-26 15529 Marin Little Carson Falls Comment
  CAS-BOT-BC388682  Minuartia douglasii John Thomas Howell 1946-5-12 21782 Marin Carson Ridge Comment
  CAS-BOT-BC390344  Spergularia macrotheca var. macrotheca John Thomas Howell 1945-6-3 20938 Marin Shell Beach Comment
  CAS-BOT-BC390345  Spergularia macrotheca var. macrotheca John Thomas Howell 1944-5-28 19506 Marin Manzanita Comment
  CAS-BOT-BC390814  Spergularia marina John Thomas Howell 1944-5-28 19507 Marin Manzanita Comment
  CAS-BOT-BC390816  Spergularia marina John Thomas Howell 1944-6-25 19649 Marin Santa Venetia Comment
  CAS-BOT-BC390817  Spergularia marina John Thomas Howell 1944-7-23 19848 Marin Santa Venetia Comment
  CAS-BOT-BC400438  Aristolochia californica John Thomas Howell 1945-5-13 20864 Marin Deer Park near Fairfax Comment
  CAS-BOT-BC400506  Asarum caudatum John Thomas Howell 1946-4-14 21611 Marin Near Tomales Comment
  CAS-BOT-BC401395  Hypericum scouleri John Thomas Howell 1946-7-7 22203 Marin Potrero Meadow, Mt. Tamalpais Comment
  CAS-BOT-BC401396  Hypericum scouleri John Thomas Howell 1942-7-12 17029 Marin Potrero Meadows, Mt. Tamalpais Comment
  CAS-BOT-BC40222  Caulanthus lasiophyllus John Thomas Howell 1946-5-12 21790 Marin Carson Country. Comment
  CAS-BOT-BC40223  Caulanthus lasiophyllus John Thomas Howell 1940-5-12 15429 Marin Between Little Carson and Carson Ridge. Comment
  CAS-BOT-BC40227  Caulanthus lasiophyllus John Thomas Howell 1943-4-11 17904 A Marin Black Canyon, San Rafael Hills. Comment
  CAS-BOT-BC40228  Caulanthus lasiophyllus John Thomas Howell 1945-6-3 20934 Marin Shell Beach. Comment
  CAS-BOT-BC40231  Caulanthus lasiophyllus John Thomas Howell 1969-5-5 45573 Marin Ring Hill, Tiburon Peninsula. Comment
  CAS-BOT-BC403944  Urtica dioica subsp. gracilis John Thomas Howell 1944-6-4 19559 Marin Near Mt. Vision west of Inverness Comment
  CAS-BOT-BC40799  Erysimum capitatum John Thomas Howell 1944-5-14 19461 Marin Salmon Creek Canyon. Comment
  CAS-BOT-BC418879  Persicaria hydropiperoides John Thomas Howell 1946-9-20 s.n. Marin Laguna in Chileno Valley Comment
  CAS-BOT-BC419021  Persicaria lapathifolia John Thomas Howell 1947-6-18 23262 Marin Laguna, Chileno Valley Comment
  CAS-BOT-BC419022  Persicaria lapathifolia John Thomas Howell 1941-6-10 16278 Marin Near Black Point Comment
  CAS-BOT-BC419344  Persicaria punctata John Thomas Howell 1939-8-27 15317 Marin Phoenix Lake Comment
  CAS-BOT-BC421215  Pterostegia drymarioides John Thomas Howell 1945-5-6 20806 Marin San Rafael Hills Comment
  CAS-BOT-BC421530  Rumex crassus John Thomas Howell 1946-6-30 22137 Marin Rodeo Lagoon Comment
  CAS-BOT-BC422806  Papaver californicum John Thomas Howell 1946-5-30 21962 Marin Little Carson Canyon Comment
  CAS-BOT-BC422807  Papaver californicum John Thomas Howell 1946-5-30 21962 Marin Little Carson Canyon Comment
  CAS-BOT-BC424400  Heuchera pilosissima John Thomas Howell 1949-6-7 25346 Marin Dillons Beach Comment
  CAS-BOT-BC427586  Crassula aquatica John Thomas Howell 1944-5-21 19499 Marin Lagunitas Meadows, Mt. Tamalpais Comment
  CAS-BOT-BC427588  Crassula aquatica John Thomas Howell 1946-9-18 s.n. Marin Lake Lagunitas, Mt. Tamalpais Comment
  CAS-BOT-BC427750  Crassula connata John Thomas Howell 1943-4-11 17922 Marin Black Canyon, San Rafael hills Comment
  CAS-BOT-BC428000  Dudleya caespitosa John Thomas Howell 1939-7-2 14824 A Marin Elk Valley Comment
  CAS-BOT-BC428128  Dudleya cymosa subsp. cymosa John Thomas Howell 1946-7-7 22188 Marin Above Bootjack, Mt. Tamalpais Comment
  CAS-BOT-BC433720  Rumex occidentalis John Thomas Howell 1944-5-28 19517 Marin Almonte Comment
  CAS-BOT-BC433931  Rumex salicifolius John Thomas Howell 1946-6-30 22136 Marin Rodeo Lagoon Comment
  CAS-BOT-BC433934  Rumex salicifolius John Thomas Howell 1946-7-7 22204 Marin Potrero Meadow, Mt. Tamalpais Comment
  CAS-BOT-BC433935  Rumex salicifolius John Thomas Howell 1941-6-8 16246 Marin Hills ne. of San Rafael Comment
  CAS-BOT-BC434106  Rumex transitorius John Thomas Howell 1945-7-29 21336 Marin Bolinas Comment
  CAS-BOT-BC434119  Rumex transitorius John Thomas Howell 1926-10-20 2225 Marin Near Alto Comment
  CAS-BOT-BC434121  Rumex transitorius John Thomas Howell 1945-7-1 21262 Marin Tiburon Comment
  CAS-BOT-BC434122  Rumex transitorius John Thomas Howell 1945-7-1 21261 Marin Tiburon Comment
  CAS-BOT-BC435626  Lithophragma heterophyllum John Thomas Howell 1939-5-14 14677 Marin Berry Trail, Mt. Tamalpais Comment
  CAS-BOT-BC436390  Calystegia collina subsp. collina John Thomas Howell 1940-5-12 15433 Marin South end of Carson Ridge Comment
  CAS-BOT-BC436399  Calystegia occidentalis subsp. occidentalis John Thomas Howell 1946-6-20 22092 Marin Muir Beach Comment
  CAS-BOT-BC437680  Asclepias speciosa John Thomas Howell 1945-6-24 21244 Marin Lagunitas Meadows, Mount Tamalpais Comment
  CAS-BOT-BC439220  Claytonia exigua subsp. exigua John Thomas Howell 1940-5-12 15432 Marin South end of Carson Ridge Comment
  CAS-BOT-BC439229  Claytonia exigua subsp. exigua John Thomas Howell 1939-4-23 14615 Marin Corte Madera Ridge, Mt. Tamalpais Comment
  CAS-BOT-BC439230  Claytonia exigua subsp. exigua John Thomas Howell 1939-4-23 14618 Marin Upper Throckmorton Trail, Mt. Tamalpais Comment
  CAS-BOT-BC44697  Arctostaphylos sensitiva John Thomas Howell 1930-12-28 5724 Marin Mt. Tamalpais above Mill Valley Comment
  CAS-BOT-BC45152  Anaphalis margaritacea John Thomas Howell 1939-7-2 14835 Marin Pirates Cove Comment
  CAS-BOT-BC451613  Lilaea scilloides John Thomas Howell 1946-5-4 21720 Marin East of Aurora School at Sonoma Co. line Comment
  CAS-BOT-BC451849  Triglochin maritima John Thomas Howell 1944-4-23 19392 Marin Escalle salt marsh Comment
  CAS-BOT-BC451851  Triglochin maritima John Thomas Howell 1945-6-30 21256 Marin Stinson Beach Comment
  CAS-BOT-BC451853  Triglochin maritima John Thomas Howell 1944-5-28 19509 Marin Manzanita Comment
  CAS-BOT-BC451854  Triglochin maritima John Thomas Howell 1944-5-7 19447 Marin Larkspur salt marsh Comment
  CAS-BOT-BC451857  Triglochin maritima John Thomas Howell 1944-5-7 19447 Marin Larkspur Comment
  CAS-BOT-BC453526  Fragaria chiloensis John Thomas Howell 1926-2-21 1636 Marin Ocean bluffs at Point Reyes Comment
  CAS-BOT-BC45634  Quercus agrifolia John Thomas Howell 1947-3-23 23048 Marin Bootjack, Mt. Tamalpais Comment
  CAS-BOT-BC45869  Limnanthes douglasii var. sulphurea John Thomas Howell 1940-5-20 15493 Marin Point Reyes Comment
  CAS-BOT-BC46023  Chorizanthe valida John Thomas Howell; Catherine Best; Wilma Follette; Gordon H. True 1980-6-19 53718 Marin Near Abbotts Lagoon, Point Reyes Peninsula Comment
  CAS-BOT-BC47437  Arctostaphylos viscida subsp. viscida John Thomas Howell 1944-12-10 20770 Marin North rim of Black Canyon, San Rafael Hills Comment
  CAS-BOT-BC47438  Arctostaphylos viscida subsp. viscida John Thomas Howell 1945-5-6 20805 Marin San Rafael Hills Comment
  CAS-BOT-BC48439  Ceanothus cuneatus var. ramulosus John Thomas Howell 1940-5-26 15524 Marin San Anselmo Canyon Comment
  CAS-BOT-BC49147  Ceanothus cuneatus var. ramulosus John Thomas Howell 1941-6-29 16345 Marin Rock Spring Trail, Mt. Tamalpais Comment
  CAS-BOT-BC49150  Ceanothus cuneatus var. ramulosus John Thomas Howell 1938-6-19 13927 Marin Rattlesnake, Mt. Tamalpais Comment
  CAS-BOT-BC49961  Ceanothus gloriosus var. gloriosus John Thomas Howell 1964-3-19 s.n. Marin Tomales Bay State Park above Hearts Desire Beach Comment
  CAS-BOT-BC49990  Ceanothus gloriosus var. porrectus John Thomas Howell 1949-5-15 25314 Marin Pine woods west of Inverness Comment
  CAS-BOT-BC50662  Ceanothus jepsonii John Thomas Howell 1944-4-2 19368 Marin Mt. Tamalpais - SW of Lanel Dell Comment
  CAS-BOT-BC50931  Ceanothus foliosus var. foliosus John Thomas Howell 1948-5-16 24298 Marin Upper part of Cascade Canyon, Mt. Tamalpais Comment
  CAS-BOT-BC50948  Ceanothus foliosus var. foliosus John Thomas Howell 1930-12-28 5717 Marin Slope of Mt. Tamalpais above Mill Valley Comment
  CAS-BOT-BC50950  Ceanothus foliosus var. foliosus John Thomas Howell 1929-4-5 932 Marin Pipeline Trail Comment
  CAS-BOT-BC51403  Ceanothus masonii John Thomas Howell 1944-4-2 19365 Marin Bolinas Ridge Comment
  CAS-BOT-BC52937  Ceanothus thyrsiflorus John Thomas Howell 1930-12-28 5714 Marin Lower slopes of Mt. Tamalpais, Mill Valley Comment
  CAS-BOT-BC55366  Hirschfeldia incana John Thomas Howell 1942-6-21 17002 Marin Fairfax. Comment
  CAS-BOT-BC57546  Equisetum telmateia John Thomas Howell 1946-4-14 21615 Marin Near Tomales Comment
  CAS-BOT-BC57905  Equisetum arvense John Thomas Howell 1946-4-14 21612 Marin Near Tomales. Comment
  CAS-BOT-BC57906  Equisetum arvense John Thomas Howell 1944-5-28 19516 Marin Between Manzanita and Almonte. Comment
  CAS-BOT-BC57914  Equisetum arvense John Thomas Howell 1941-6-29 16338 Marin Between Rock Spring and Laurel Hill, Mt. Tamalpais. Comment
  CAS-BOT-BC58885  Gaultheria shallon John Thomas Howell 1947-5-8 23144 Marin Sausalito Comment
  CAS-BOT-BC59949  Rhamnus crocea John Thomas Howell 1946-5-16 21884 Marin Angel Island. Comment
  CAS-BOT-BC61168  Streptanthus batrachopus John Thomas Howell 1939-5-14 14681 Marin East of Collier Spring, Mount Tamalpais. Comment
  CAS-BOT-BC61170  Streptanthus batrachopus John Thomas Howell 1946-5-19 21922 Marin Carson Ridge. Comment
  CAS-BOT-BC61172  Streptanthus batrachopus John Thomas Howell 1946-6-23 22122 Marin Carson Ridge. Comment
  CAS-BOT-BC61173  Streptanthus batrachopus John Thomas Howell 1946-6-23 22122 Marin Carson Ridge. Comment
  CAS-BOT-BC61174  Streptanthus batrachopus John Thomas Howell 1945-6-10 20943 Marin South of Barths Retreat. Mount Tamalpais. Comment
  CAS-BOT-BC62777  Quercus berberidifolia John Thomas Howell 1939-8-27 15322 Marin South ridge of Fish Grade between Phoenix Lake and Lake Lagunitas Comment
  CAS-BOT-BC62778  Quercus berberidifolia John Thomas Howell 1944-11-12 20767 Marin Black Canyon, San Rafael Hills Comment
  CAS-BOT-BC63949  Sedum spathulifolium John Thomas Howell 1939-6-4 14717 Marin Pt. Reyes Lighthouse. Comment
  CAS-BOT-BC64328  Ceanothus gloriosus subsp. exaltatus John Thomas Howell 1944-4-2 19361 Marin Bolinas Ridge. Comment
  CAS-BOT-BC65854  Aspidotis carlotta-halliae John Thomas Howell 1943-4-3 s.n. Marin Tiburon Peninsula near south end Comment
  CAS-BOT-BC65858  Aspidotis carlotta-halliae John Thomas Howell 1967-3-5 42037 Marin near Rattlesnake Camp, Mt. Tamalpais 335 Comment
  CAS-BOT-BC65860  Aspidotis carlotta-halliae John Thomas Howell 1967-3-5 42037 Marin near Rattlesnake Camp, Mt. Tamalpais Comment
  CAS-BOT-BC66952  Thysanocarpus laciniatus John Thomas Howell 1943-4-11 17911 Marin Black Canyon, San Rafael Hills. Comment
  CAS-BOT-BC66953  Thysanocarpus laciniatus John Thomas Howell 1944-4-13 19378 Marin Big Rock Ridge west of Hamilton Field. Comment
  CAS-BOT-BC68119  Athyrium filix-femina subsp. cyclosorum John Thomas Howell 1950-10-11 27467 A Marin Bear Valley Comment
  CAS-BOT-BC68354  Azolla filiculoides John Thomas Howell 1946-7-4 22183 Marin East of Aurora School at Sonoma Co. line. Comment
  CAS-BOT-BC69179  Pellaea andromedifolia J. T. Howell 1966-4-18 41516 Marin just north of John Thomas Howell Botanical Garden, Tiburon Comment
  CAS-BOT-BC69455  Athyrium filix-femina subsp. cyclosorum John Thomas Howell 1943-7-4 18258 Marin Ledum Swamp on road to Pt. Reyes. Comment
  CAS-BOT-BC69914  Isoetes howellii John Thomas Howell 1941-7-6 16360 Marin Hidden lake, Mt. Tamalpais. Comment
  CAS-BOT-BC70907  Dryopteris arguta John Thomas Howell 1948-6-6 24337 Marin Steep Ravine, Mt. Tamalpais Comment
  CAS-BOT-BC73690  Ulmus procera John Thomas Howell 1941-6-8 s.n. Marin San Rafeal Comment
  CAS-BOT-BC73965  Turritis glabra John Thomas Howell 1941-5-25 16197 Marin Near Bootjack, Mount Tamalpais. Comment
  CAS-BOT-BC73966  Turritis glabra John Thomas Howell 1946-6-9 s.n. Marin Abbotts Lagoon. Comment
  CAS-BOT-BC7405  Melica geyeri var. aristulata John Thomas Howell 1943-4-11 17906 Marin San Rafael Hills, Black Canyon Comment
  CAS-BOT-BC7406  Melica geyeri var. aristulata John Thomas Howell 1943-4-11 17906 Marin San Rafael Hills, Black Canyon Comment
  CAS-BOT-BC74546  Rorippa curvisiliqua John Thomas Howell 1946-9-20 s.n. Marin East of Aurora School. Comment
  CAS-BOT-BC75034  Sisymbrium altissimum John Thomas Howell 1947-4-23 23076 Marin Point Reyes Road west of Ledum Swamp. Comment
  CAS-BOT-BC75820  Berberis pinnata John Thomas Howell 1926-2-21 1632 Marin Point Reyes. Comment
  CAS-BOT-BC7629  Schoenoplectus acutus var. occidentalis John Thomas Howell 1944-9-24 20747 Marin Stinson Beach. Comment
  CAS-BOT-BC7642  Bolboschoenus maritimus John Thomas Howell 1945-8-19 21438 Marin Head of Drakes Bay. Comment
  CAS-BOT-BC7645  Bolboschoenus maritimus John Thomas Howell 1945-8-19 21438 Marin Head of Drakes Bay. Comment
  CAS-BOT-BC7646  Bolboschoenus maritimus John Thomas Howell 1945-8-19 21437 Marin Head of Drakes Bay. Comment
  CAS-BOT-BC7647  Scirpus maritimus John Thomas Howell 1945-5-20 20874 Marin Tiburon. Comment
  CAS-BOT-BC7648  Bolboschoenus maritimus John Thomas Howell 1945-9-16 21493 Marin Near San Rafael. Comment
  CAS-BOT-BC80686  Cupressus macrocarpa John Thomas Howell 1959-11-4 35103 Marin Sausalito. Comment
  CAS-BOT-BC81406  Torreya californica John Thomas Howell 1948-5-16 24303 Marin Near top of Eldridge Grade, Mt. Tamalpais Comment
  CAS-BOT-BC82455  Arnica discoidea John Thomas Howell 1925-4-5 944 Marin Pipeline Trail Comment
  CAS-BOT-BC82456  Arnica discoidea John Thomas Howell 1946-5-12 21823 Marin Carson country Comment
  CAS-BOT-BC83442  Ranunculus lobbii John Thomas Howell 1947-6-4 s.n. Marin Radio Station, Point Reyes Peninsula. Comment
  CAS-BOT-BC83443  Ranunculus lobbii John Thomas Howell 1946-4-18 21640 Marin Ignacio. Comment
  CAS-BOT-BC8365  Lupinus marinensis John Thomas Howell 1938-5-22 13787 Marin San Anselmo Canyon Comment
  CAS-BOT-BC84931  Artemisia californica John Thomas Howell 1936-7-26 12661 Marin Dillon's Beach Comment
  CAS-BOT-BC85189  Torreya californica John Thomas Howell 1948-5-16 24303 Marin Mt. Tamalpais - near top of Eldridge Grade Comment
  CAS-BOT-BC85476  Cupressus sargentii John Thomas Howell 1926-2-28 1656 Marin Mt. Tamalpais Comment
  CAS-BOT-BC86609  Quercus douglasii John Thomas Howell 1941-6-8 16253 Marin Hills NE of San Rafael Comment
  CAS-BOT-BC87245  Streptanthus glandulosus subsp. niger John Thomas Howell 1966-5-25 41534 Marin John Thomas Howell Botanical Garden. Just north of garden area. Comment
  CAS-BOT-BC87246  Streptanthus glandulosus subsp. niger John Thomas Howell 1967-9-6 43737 Marin Tiburon. At head of Dakin Lane, Old Street. Hilary's. Comment
  CAS-BOT-BC87256  Streptanthus glandulosus subsp. pulchellus John Thomas Howell 1940-5-12 15425 Marin Between Little Carson and Carson Ridge. Comment
  CAS-BOT-BC87259  Streptanthus glandulosus subsp. pulchellus John Thomas Howell 1938-6-9 13907 Marin Mount Tamalpais. Near Rock Spring. Comment
  CAS-BOT-BC87276  Streptanthus glandulosus subsp. secundus John Thomas Howell 1938-7-3 13945 Marin At head of Lucas Valley. Comment
  CAS-BOT-BC87281  Streptanthus glandulosus subsp. secundus John Thomas Howell 1942-6-21 s.n. Marin Carson Ridge. Comment
  CAS-BOT-BC89085  Lepidium didymum John Thomas Howell 1939-11-5 s.n. Marin Sausalito. Comment
  CAS-BOT-BC89530  Lepidium lasiocarpum John Thomas Howell 1947-6-18 23277 Marin Dillons Beach. Comment
  CAS-BOT-BC89774  Lepidium latipes John Thomas Howell 1946-4-18 21654 Marin Ignacio. Comment
  CAS-BOT-BC90128  Artemisia biennis John Thomas Howell 1947-10-19 s.n. Marin Lake Lagunitas, Mt. Tamalpais Comment
  CAS-BOT-BC91157  Umbellularia californica John Thomas Howell 1947-3-2 23043 Marin Mount Tamalpais. Above Phoenix Lake. Comment
  CAS-BOT-BC91158  Umbellularia californica John Thomas Howell 1960-2-14 35123 Marin Lower part of Steep Ravine, Mount Tamalpais. Comment
  CAS-BOT-BC91779  Platystemon californicus John Thomas Howell 1940-5-20 15497 Marin Point Reyes. Comment
  CAS-BOT-BC92939  Ribes californicum var. californicum John Thomas Howell 1940-5-26 15548 Marin San Anselmo Canyon. Comment
  CAS-BOT-BC94352  Quercus garryana John Thomas Howell 1947-5-18 s.n. Marin Fairfax Hills Comment
  CAS-BOT-BC94699  Quercus X howellii John Thomas Howell 1945-9-23 21495 Marin N side of Fish grade between Phoenix Lake and Lake Lagunitas Comment
  CAS-BOT-BC9614  Delphinium californicum John Thomas Howell 1943-6-13 s.n. Marin Sausalito Comment
  CAS-BOT-BC98071  Symphyotrichum lentum John Thomas Howell 1946-9-20 23017 Marin Laguna in Chileno Valley Comment
  CAS-BOT-BC99132  Symphyotrichum chilense John Thomas Howell 1933-10-8 11708 Marin Pt. Reyes Peninsula Comment
  CDA1728  Anthoxanthum aristatum J. T. Howell 1945-5-9 20856 Marin Low field between Hamilton Field and Ignacio. 0 Comment
  CDA1831  Bromus madritensis J. T. Howell 1947-4-27 23096 Marin Bald Mt. west of San Anselmo. 0 Comment
  CDA2136  Parapholis incurva J. T. Howell 1945-5-6 20816 Marin San Rafael. 0 Comment
  CDA2184  Holcus lanatus J. T. Howell 1945-7-29 21355 Marin Bolinas. 0 Comment
  CDA2206  Hordeum murinum subsp. glaucum J. T. Howell 1949-4-24 25307 Marin Angel Island, Fort McDowell. 0 Comment
  CDA3326  Mirabilis jalapa J. T. Howell 1959-11-4 35102 Marin Sausalito . 0 Comment
  CDA4424  Pelargonium grossularioides J. T. Howell 1944-7-23 19842 Marin San Francisco Bay region; San Rafael. Comment
  CDA7508  Lactuca saligna J. T. Howell 1943-9-5 19324 Marin San Francisco Bay Region; Southern part of Mill Valley. Comment
  CDA7510  Lactuca saligna J. T. Howell 1943-9-5 19324 Marin San Francisco Bay Region; Southern part of Mill Valley. Comment
  HSC10609  Pleuropogon californicus J. T. Howell 1945-5-9 20828 Marin Between Hamilton Field and Ignacio. Comment
  HSC24625  Anagallis minima J. T. Howell 1945-6-12 20945 Marin Potrero Meadow; Mt. Tamalpais Comment
  HSC24634  Cordylanthus mollis J. T. Howell 1945-7-8 21277 Marin Burdell Station Comment
  HSC8776  Agrostis aristiglumis J. T. Howell 1947-5-14 1411 Marin Drakes Estero, WNW of Mt. Vision, Monterey Series Comment
  HSC90928  Agrostis hendersonii Thomas J. Howell 1947-4-23 23062 Marin E side of Drakes Estero W of Mt. Vision, Pt. Reyes Peninsula Comment
  JEPS14201  Hydrocotyle ranunculoides John Thomas Howell 1926-11-21 2255 Marin Bolinas Comment
  JEPS20607  Lessingia hololeuca John Thomas Howell 1926-9-9 2192 Marin Baltimore Park Comment
  JEPS30760  Cakile maritima John Thomas Howell 1943-10-3 19333 Marin just above high tide line Muir Beach Comment
  JEPS30768  Lotus uliginosus John Thomas Howell 1944-7-30 19856 Marin between head of salt marshes and Mill Valley 3 Comment
  JEPS30793  Amaranthus deflexus John Thomas Howell 1944-7-23 19852 Marin San Rafael 15 Comment
  JEPS30811  Rubus discolor John Thomas Howell 1943-8-29 19311 Marin Summit (Avenue) Ridge Mill Valley; , Summit (Avenue) Ridge Comment
  JEPS3467  Plantago truncata subsp. firma John Thomas Howell 1940-5-26 15519 A Marin SW of Fairfax on southern ridge in San Anselmo Canyon. Comment
  JEPS37903  Plantago maritima var. juncoides John Thomas Howell 1945-7-8 21285 Marin San Antonio Comment
  JEPS37905  Plantago elongata John Thomas Howell 1946-6-30 22144 Marin Rodeo Lagoon Comment
  JEPS37906  Plantago elongata John Thomas Howell 1947-4-30 23109 Marin Dillons Beach Comment
  JEPS37908  Plantago maritima var. juncoides John Thomas Howell 1944-4-23 19395 Marin Escalle Comment
  JEPS37909  Plantago maritima var. juncoides John Thomas Howell 1940-5-20 15489 Marin Inverness Comment
  JEPS3932  Lactuca saligna John Thomas Howell 1943-9-5 19324 Marin in s part Mill Valley 7 Comment
  JEPS3957  Plantago truncata subsp. firma John Thomas Howell 1944-5-21 19500 Marin North side of Mt. Tamalpais; Lagunitas Meadows 243 Comment
  JEPS53270  Cakile edentula John Thomas Howell 1926-11-22 2256 Marin on Bolinas Beach just to w of opening into Bolinas Lagoon; Bolinas Beach Comment
  JEPS58881  Plectritis brachystemon John Thomas Howell 1947-4-27 23090 Marin w of San Anselmo (Bald Mountain); Bald Mountain Comment
  JEPS58887  Galium trifidum var. pacificum John Thomas Howell 1945-8-5 21366 Marin near Stinson Beach Comment
  JEPS58891  Galium aparine John Thomas Howell 1945-6-3 20942 Marin near Shell Beach; near Shell Beach Comment
  JEPS58894  Sambucus mexicana John Thomas Howell 1949-6-26 25352 Marin Deer Park Fairfax hills Comment
  JEPS58912  Veronica peregrina subsp. xalapensis John Thomas Howell 1944-5-21 19497 Marin Mount Tamalpais, Lagunitas Meadows Lagunitas Meadows; Mount Tamalpais, Lagunitas Meadows Comment
  JEPS58913  Veronica serpyllifolia subsp. humifusa John Thomas Howell 1947-5-4 23116 Marin San Rafael Comment
  JEPS58915  Veronica scutellata John Thomas Howell 1946-6-20 22105 Marin 4 mi n of Bolinas Comment
  JEPS58916  Castilleja ambigua subsp. ambigua John Thomas Howell 1946-5-25 21940 Marin Greenbrae Marshes Comment
  JEPS58918  Castilleja ambigua subsp. ambigua John Thomas Howell 1947-5-14 23152 Marin wnw of Mt. Vision (slope of Drakes estero) Comment
  JEPS58919  Castilleja ambigua subsp. ambigua John Thomas Howell 1945-5-9 20821 Marin between Hamilton Field and Ignacio Comment
  JEPS58920  Castilleja densiflora subsp. densiflora John Thomas Howell 1946-5-4 21722 Marin e of Dillons Beach Comment
  JEPS58922  Castilleja ambigua subsp. ambigua John Thomas Howell 1944-4-23 19405 Marin hills se Kentfield Comment
  JEPS58925  Triphysaria eriantha subsp. eriantha John Thomas Howell 1946-4-14 21637 Marin near Laguna School (Chileno Valley); Chileno Valley Comment
  JEPS58926  Triphysaria eriantha subsp. rosea John Thomas Howell 1947-4-23 23073 Marin Drakes Estero w Mt. Vision; Drakes Estero w of Mt. Vision Comment
  JEPS58929  Mimulus microphyllus John Thomas Howell 1942-7-12 17019 Marin Potrero Meadows Mt. Tamalpais Comment
  JEPS58930  Mimulus arvensis John Thomas Howell 1940-5-20 15479 Marin near Tocaloma Comment
  JEPS58933  Mimulus rattanii John Thomas Howell 1946-7-7 22196 Marin s Barths Retreat; Mt. Tamalpais Comment
  JEPS58935  Mimulus congdonii John Thomas Howell 1946-3-24 21586 Marin Carson country Comment
  JEPS58936  Collinsia sparsiflora var. sparsiflora John Thomas Howell 1946-4-13 21600 Marin Mt. Tamalpais; summit meadow to Rock Spring Comment
  JEPS58938  Cordylanthus maritimus subsp. palustris John Thomas Howell 1944-5-28 19518 Marin salt marsh Almonte Comment
  JEPS58939  Cordylanthus maritimus subsp. palustris John Thomas Howell 1945-8-5 21370 Marin Salt Marshes, Stinson Beach Stinson Beach Comment
  JEPS58940  Cordylanthus maritimus subsp. palustris John Thomas Howell 1945-8-19 21430 Marin salt marsh at head of Drakes Bay Comment
  JEPS58942  Castilleja attenuata John Thomas Howell 1943-4-11 17917 Marin Black Canyon San Rafael Hills Comment
  JEPS58945  Gratiola ebracteata John Thomas Howell 1945-5-9 20839 Marin between Hamilton Field and Ignacio; between Hamilton Field and Ignacio Comment
  JEPS58946  Linaria vulgaris John Thomas Howell 1946-6-13 22062 Marin Estero School n of Dillons Beach; Estero School Comment
  JEPS58950  Castilleja wightii John Thomas Howell 1947-5-4 23129 Marin San Rafael Hills Comment
  JEPS58952  Castilleja subinclusa subsp. franciscana John Thomas Howell 1946-5-19 21914 Marin Meadow Club Fairfax Hills (Fairfax Hills) Comment
  JEPS58955  Castilleja wightii John Thomas Howell 1944-6-4 19536 Marin Inverness Ridge Comment
  JEPS62610  Castilleja affinis subsp. affinis John Thomas Howell 1969-5-5 45567 Marin near Paradise Cove; Tiburon Peninsula Comment
  LA206697  Navarretia mellita John Thomas Howell; 1930-7-20 5378 Marin near Phoenix Lake Comment
  LA42170  Arctostaphylos glandulosa subsp. cushingiana John Thomas Howell; 1933-3-19 10868 Marin Mount Tamalpais, S side of mountain, above Mill Valley Comment
  LA57189  Monardella purpurea John Thomas Howell; 1930-7-20 5382 Marin Mt Tamalpais, SE side along Wheeler Trail Comment
  NY162681  Blennosperma nanum var. robustum J. T. Howell 1947-5-14 23153 Marin Point Reyes Peninsula above McClure Beach Comment
  NY327617  Agrostis aristiglumis J. T. Howell 1947-5-14 1411 Marin Drakes Estero, WNW of Mount Vision Comment
  NY431400  Pleuropogon hooverianus J. T. Howell 1943-5-22 18155 Marin Lagunitas Meadows, Mt. Tamalpais Comment
  NY64516  Sequoia sempervirens J. T. Howell 1957-2-3 32020 Marin Fern Canyon, Mt. Tamalpais Comment
  NY752416  Typha angustifolia J. T. Howell 1944-5-28 19521 Marin Between Almonte and Mill Valley Comment
  POM180791  Arctostaphylos glandulosa var. cushingiana J. T. Howell 1930-7-20 5376 Marin Hills just north of Pheonix Lake. Comment
  POM193914  Cupressus sargentii J. T. Howell 1927-8-22 3040 Marin Rock Spring Trail, west of West Point, Mt. Tamalpais 549 Comment
  POM196476  Ericameria arborescens subsp. arborescens J. T. Howell 1924-9-14 652 Marin Pipeline Trail. Comment
  POM202457  Arctostaphylos glandulosa subsp. cushingiana J. T. Howell 1933-3-19 10866 A Marin Slopes at head of Muir Woods. Comment
  POM203032  Briza minor J. T. Howell 1934-4-1 11808 Marin Ross Comment
  POM203454  Grindelia stricta var. angustifolia J. T. Howell 1933-7-30 11483 Marin Head of Tomales Bay Comment
  POM203620  Rhamnus crocea J. T. Howell 1933-4-30 11188 Marin North side of Mt. Tamalpais. Comment
  POM204467  Calystegia purpurata J. T. Howell 1933-4-30 11197 Marin North side of Mt. Tamalpais. Comment
  POM248587  Carex luzulina var. ablata J. T. Howell 1938-6-5 13896 Marin Azalea Flat, Mt. Tamalpais. Comment
  POM259268  Streptanthus batrachopus J. T. Howell 1939-5-14 s.n. Marin East of Collier Spring, Mount Tamalpais Comment
  POM261289  Cirsium quercetorum J. T. Howell 1939-6-25 14796 Marin Summit Avenue, Mill Valley Comment
  POM261290  Cirsium andrewsii J. T. Howell 1939-6-4 14721 Marin Point Reyes Lighthouse Comment
  POM261516  Rubus vitifolius J. T. Howell 1938-5-22 13799 Marin San Anselmo Canyon. Comment
  POM261522  Rubus vitifolius var. eastwoodianus J. T. Howell 1938-6-19 13921 Marin Bootjack. Mt. Tamalpais. Comment
  POM273120  Hesperostipa comata subsp. comata J. T. Howell 1945-7-22 21330 Marin Clay slope and flat W of Mill Valley on road to Muir Woods Comment
  POM273123  Pentachaeta bellidiflora J. T. Howell 1946-5-25 21933 Marin Greenbrae HillsGreenhorn Mountain Range: North Rim of Kern Canyon. Comment
  POM273138  Lessingia hololeuca John T. Howell 1945-9-16 s.n. Marin North of San Rafael and east of Santa Venetia Comment
  POM273149  Pleuropogon californicus var. californicus J. T. Howell 1945-5-9 20828 Marin between Hamilton Field and Ignacio, Marin County Comment
  POM273150  Scribneria bolanderi J. T. Howell 1945-4-29 20791 Marin Serpentine ridge W of Camp Handy, Mt. Tamalpais Comment
Read comments
Mar 26 2010
  POM273975  Artemisia californica J. T. Howell 1946-12-22 23034 Marin Greenbrea Hills. Comment
  POM299313  Phacelia divaricata var. continentis J. T. Howell 1930-3-9 4552 Marin Point Reyes near the lighthouse. Comment
  POM303643  Carex ovalis J. T. Howell 1944-6-4 19567 Marin Mt. Vision west of Inverness Comment
  POM303717  Lotus uliginosus J. T. Howell 1944-7-30 19856 Marin Between Mill Valley and head of salt marshes. 3 Comment
  RSA101639  Lessingia hololeuca John T. Howell 1945-9-2 21452 Marin San Rafael Hills Comment
  RSA1060  Arctostaphylos glandulosa subsp. glandulosa J. T. Howell 1927-8-22 676 Marin Rock Spring Trail, Mt Tamalpais 548 Comment
  RSA1063  Arctostaphylos hookeri subsp. montana J. T. Howell 1927-8-22 677 / 251 Marin Rock Spring Trail, Mt Tamalpais 548 Comment
  RSA118026  Schedonorus arundinaceus J. T. Howell 1955-5-29 30257 Marin Between Bootjack and Mountain Theater, Mt. Tamalpais. Comment
  RSA121061  Parnassia palustris var. californica J. T. Howell 1957-1-1 32019 Marin Azalea Flat, Mt. Tamalpais. Comment
  RSA126184  Rosa spithamea J. T. Howell 1946-9-8 23001 Marin SW of Lake Lagunitas. Mt. Tamalpais. Comment
  RSA126197  Sagina maxima subsp. crassicaulis J. T. Howell 1946-5-4 21751 Marin Dillon's Beach. Comment
  RSA126205  Ceanothus foliosus J. T. Howell 1948-5-16 24298 Marin Upper part of Cascade Canyon, Mt. Tamalpais Comment
  RSA126206  Dirca occidentalis J. T. Howell 1948-5-31 s.n. Marin Devil's Gulch, near Camp Taylor Comment
  RSA126240  Rosa californica J. T. Howell 1939-9-3 15349 Marin San Antonio Creek Comment
  RSA126395  Danthonia californica var. californica J. T. Howell 1943-5-15 18069 Marin Tiburon Peninsula Comment
  RSA126396  Brachypodium distachyon J. T. Howell 1948-5-31 24327 Marin Devil's Gulch, near Camp Taylor Comment
  RSA126398  Leymus pacificus J. T. Howell 1947-6-4 23222 Marin Dunes beyond radio station, Pt. Reyes Peninsula. Comment
  RSA126399  Andropogon glomeratus J. T. Howell 1939-10-15 s.n. Marin Near Liberty Camp. Comment
  RSA126404  Calamagrostis ophitidis J. T. Howell 1945-5-27 20878 a Marin Mount Tamalpais Comment
  RSA126407  Poa secunda J. T. Howell 1943-4-11 17897 Marin Black Canyon, San Rafeal Hills Comment
  RSA126457  Agrostis blasdalei J. T. Howell 1947-5-14 23150 Marin Monterey Series, Drakes Estero, west-northwest of Mt. Vision. Comment
  RSA126464  Bromus carinatus J. T. Howell 1941-8-25 s.n. Marin Mt. Tamalpais Comment
  RSA126467  Bromus marginatus J. T. Howell 1945-5-4 s.n. Marin Inverness Comment
  RSA126471  Agrostis gigantea J. T. Howell 1941-7-6 16371 Marin Lake Lagunitas Meadows Comment
  RSA126474  Deschampsia elongata J. T. Howell 1945-6-3 20925 Marin Shell Beach. Comment
  RSA126477  Poa unilateralis J. T. Howell 1946-5-26 21953 Marin Ocean bluff, Point Reyes Lighthouse Comment
  RSA126481  Agrostis pallens J. T. Howell 1943-7-11 s.n. Marin Potrero Meadow, Mt. Tamalpais Comment
  RSA127061  Quercus X subconvexa J. T. Howell, J. M. Tucker 1947-8-31 24175 Marin Ridgecrest road north of AlpineLake. Comment
  RSA127071  Juncus phaeocephalus var. paniculatus J. T. Howell 1945-6-24 s.n. Marin Lagunitas andeus?, Mt. Tamalpais. Comment
  RSA127074  Eriogonum caninum J. T. Howell 1944-7-7 19680 Marin Serpentine above Camp Handy. Mt. Tamalpais. Comment
  RSA127094  Polygonum fowleri J. T. Howell 1945-7-8 21282 Marin Burdell Station Comment
  RSA127116  Grindelia hirsutula var. davyi J. T. Howell 1946-11-3 23033 Marin Hamilton Field. Comment
  RSA127227  Vulpia eastwoodiae J. T. Howell 1946-5-14 21840 Marin Between Barths Retreat and Potrero Meadow, Mt. Tamalpais. Comment
  RSA127231  Leymus vancouverensis J. T. Howell 1946-7-4 22175 Marin Dillon's Beach. Comment
  RSA127234  Elymus glaucus J. T. Howell 1942-6-21 s.n. Marin Carson Ridge Comment
  RSA127237  Vulpia octoflora J. T. Howell 1946-5-12 21778 Marin Carson Ridge. Comment
  RSA127267  Melica harfordii J. T. Howell 1943-5-30 18185 Marin Wheeler Trail, Mt. Tamalpais. Comment
  RSA127271  Glyceria leptostachya J. T. Howell 1946-6-16 22077 Marin Olema Marshes. Comment
  RSA127274  Hordeum marinum subsp. gussoneanum J. T. Howell 1940-5-26 15526 Marin Little Carson Falls Comment
  RSA127277  Setaria parviflora J. T. Howell 1946-9-8 22997 Marin Phoenix Lake, Mt. Tamalpais. Comment
  RSA127381  Festuca idahoensis J. T. Howell 1941-5-25 16208 Marin Rifle camp, Mt. Tamalpais. Comment
  RSA127384  Stipa manicata J. T. Howell 1946-5-16 21849 Marin Angel Island, southeast side. Comment
  RSA127567  Sidalcea hickmanii subsp. viridis J. T. Howell 1954-6-23 s.n. Marin Carson Ridge Comment
  RSA128309  Lupinus formosus var. formosus J. T. Howell 1940-5-20 15468 Marin Fairfax Comment
  RSA128315  Lupinus albifrons var. collinus J. T. Howell 1947-5-25 23196 Marin Simmons Trail, Mt. Tamalppais. Comment
  RSA128316  Lupinus arboreus var. arboreus J. T. Howell 1946-6-9 22014 A Marin Pierce Ranch, north of Point Reyes Peninsula. Comment
  RSA128318  Cytisus proliferus J. T. Howell 1947-5-4 23133 Marin San Rafael Hills. Comment
  RSA128685  Scribneria bolanderi J. T. Howell 1952-5-30 28317 Marin Along fire road between Mountain Theater and Potrero Meadow, Mount Tamalpias. Comment
  RSA128941  Trifolium wormskioldii J. T. Howell 1946-5-4 21750 Marin Dillons Beach. Comment
  RSA128947  Micropus amphibolus J. T. Howell 1943-4-11 17921 Marin Black Canyon, San Rafeal Hills Comment
  RSA146  Lithocarpus densiflorus var. densiflorus J. T. Howell 1927-8-22 674 Marin Mt. Tamalpais, south side. Comment
  RSA168  Quercus parvula var. shrevei J. T. Howell 1927-8-22 672 Marin South side of Mt. Tamalpais. 213 Comment
  RSA201401  Cuscuta californica var. californica J. T. Howell 1944-7-7 19679 Marin Serpentine above Camp Handy. Mt. Tamalpais. Comment
  RSA216187  Agrostis exarata J. T. Howell 1966-7-20 41992 Marin Area adjacent to the John Thomas Howell Botanical Garden, Tiburon. Comment
  RSA216194  Brachypodium distachyon J. T. Howell 1966-6-9 41563 Marin Chert outcrop, just north of the John Thomas Howell Botanical Garden, Tiburon Comment
  RSA22082  Lupinus tidestromii J. T. Howell 1939-6-4 14729 Marin Point Reyes Peninsula Comment
  RSA22132  Festuca californica var. californica J. T. Howell 1938-6-19 13920 Marin Bootjack. Mt. Tamalpais. Comment
  RSA22139  Vulpia bromoides J. T. Howell 1937-6-13 13049 Marin Head of Drakes Bay, Point Reyes. Comment
  RSA22161  Phalaris californica J. T. Howell, Alice Eastwood 1938-5-8 5498 Marin Head of Nicasio Creek Comment
  RSA299147  Chorizanthe valida J. T. Howell, Catherine Best, Wilma Follette, Gordon H. True 1980-6-19 53718 Marin Near Abbott's Lagoon, Point Reyes Peninsula. Comment
Read comments
Jun 20 2017
  RSA31366  Boisduvalia stricta J. T. Howell 1942-6-12 16984 Marin Carson Ridge Comment
  RSA31367  Boisduvalia densiflora var. densiflora J. T. Howell 1944-6-25 19654 Marin Santa Venetia. Comment
  RSA31368  Boisduvalia densiflora var. densiflora J. T. Howell 1946-6-23 22124 Marin Carson Ridge Comment
  RSA31382  Epilobium ciliatum subsp. ciliatum J. T. Howell 1939-7-2 14822 Marin Elk Valley Comment
  RSA31407  Camissonia cheiranthifolia subsp. cheiranthifolia J. T. Howell 1945-6-3 20939 Marin Shell Beach near Inverness Comment
  RSA31409  Camissonia strigulosa J. T. Howell 1946-5-4 21742 Marin Dillon Beach. Comment
  RSA32135  Stenotaphrum secundatum J. T. Howell 1945-7-22 21330 Marin Clay slope and flat W of Mill Valley on road to Muir Woods Comment
  RSA35290  Ceanothus ramulosus J. T. Howell 1941-6-29 16345 Marin Tamalpais Comment
  RSA383649  Ruppia maritima J. T. Howell 1933-7-30 11469 Marin Head of Tomales Bay Comment
  RSA40148  Rubus discolor J. T. Howell 1943-8-29 19311 Marin Summit (Avenue[?]) Ridge. Mill Valley. Comment
  RSA40149  Acacia dealbata J. T. Howell 1943-8-29 19312 Marin Summit ridge above Mill Valley. 152 Comment
  RSA43327  Torreya californica J. T. Howell 1948-5-16 24303 Marin Near top of Eldridge Grade, Mount Tamalpais Comment
  RSA46392  Arctostaphylos nummularia var. sensitiva J. T. Howell 1947-1-12 s.n. Marin Above Muir Woods, south side of Mt. Tamalpais. Comment
  RSA46396  Lithocarpus densiflorus var. densiflorus J. T. Howell 1947-1-12 s.n. Marin Above Muir Woods, south side of Mt. Tamalpais. Comment
  RSA46397  Arctostaphylos virgata J. T. Howell 1947-1-12 s.n. Marin Above Muir Woods, south side of Mt. Tamalpais. Comment
  RSA46398  Arctostaphylos canescens subsp. canescens J. T. Howell 1947-1-12 s.n. Marin Above Muir Woods, south side of Mt. Tamalpais. Comment
  RSA51219  Grindelia stricta var. angustifolia J. T. Howell 1949-10-9 26300 Marin San Francisco Bay at N end of Tiburon Peninsula. Comment
  RSA51441  Poa kelloggii J. T. Howell 1950-5-18 26311 Marin Lagunitas Creek near Camp Taylor. Comment
  RSA51442  Melica geyeri J. T. Howell 1947-5-18 23185 Marin Lagunitas Meadows. Comment
  RSA51446  Calamagrostis ophitidis J. T. Howell 1947-5-18 s.n. Marin South end of Carson Ridge Comment
  RSA52011  Carex brevicaulis J. T. Howell 1944-3-26 19345 Marin Above Ledum Swamp, Inverness Ridge. Comment
  RSA52015  Carex hassei J. T. Howell 1947-5-14 23170 Marin Near Ledum Swamp, Point Reyes Peninsula. Comment
  RSA52111  Carex densa J. T. Howell 1943-5-2 17935 Marin Big Carson Canyon. Comment
  RSA52170  Carex praegracilis J. T. Howell 1946-6-13 22043 Marin East of Aurora School at Sonoma County line. Comment
  RSA52173  Carex tumulicola J. T. Howell 1944-4-13 19370 Marin Big Rock Ridge west of Hamilton Field. Comment
  RSA52315  Carex harfordii J. T. Howell 1944-5-28 19523 Marin Between Almonte and Mill Valley. Comment
  RSA550627  Carex globosa J. T. Howell 1944-4-2 19368 A Marin Southeast of Laurel Del, Mount Tamalpais Comment
Read comments
May 31 2010
  RSA70406  Arctostaphylos glandulosa var. cushingiana J. T. Howell 1933-3-19 10868 Marin South side of Mt. Tamalpais above Mill Valley. Comment
  RSA86719  Anthoxanthum aristatum J. T. Howell 1945-5-9 20856 Marin Low field between Hamilton Field and Ignacio Comment
  RSA87403  Lupinus tidestromii J. T. Howell 1939-6-4 s.n. Marin Point Reyes Peninsula Comment
  SBBG28863  Arctostaphylos glandulosa subsp. cushingiana J. T. Howell 1933-3-19 10866 a Marin slopes at head of Muir Woods Comment
  SBBG29170  Holozonia filipes J. T. Howell 1945-8-12 21372 Marin Rock Spring, Mt Tamalpais Comment
  SBBG29857  Streptanthus batrachopus J. T. Howell 1942-6-21 16994 Marin Carson Ridge Comment
  SBBG29936  Atriplex semibaccata J. T. Howell 1943-11-21 19338 Marin W of San Quentin near Greenbrae Comment
  SBBG39551  Sequoia sempervirens J. T. Howell 1957-2-3 Marin Fern Cyn, Mt Tamalpais Comment
  SBBG41055  Eryngium aristulatum var. aristulatum J. T. Howell 1946-9-15 23006 Marin Hidden Lake, Mt Tamalpais Comment
  SBBG41056  Calystegia occidentalis subsp. occidentalis J. T. Howell 1947-5-8 23137 Marin Sausalito Comment
  SBBG41131  Plantago elongata J. T. Howell 1946-6-30 Marin Rodeo Lagoon Comment
  SBBG47342  Castilleja affinis subsp. neglecta J. T. Howell 1972-6-18 48873 Marin above Vista de la Bahia at N end of Tiburon Peninsula Comment
  SBBG47346  Delphinium variegatum subsp. variegatum J. T. Howell 1972-6-18 48872 Marin near Ring Hill, Tiburon Peninsula 167 Comment
  SBBG47373  Clarkia rubicunda J. T. Howell 1972-6-18 Marin near Ring Hill, Tiburon Peninsula 167 Comment
  SBBG64997  Phacelia insularis var. continentis J. T. Howell 1930-4-20 4732 Marin Point Reyes Comment
  SD71222  Phacelia suaveolens John Thomas Howell 1946-5-14 21842 Marin Potrero Meadow, Mt. Tamalpais Comment
  SD71223  Lomatium utriculatum John T. Howell 1947-5-8 23145 Marin Sausalito Comment
  SD71225  Hydrocotyle verticillata John T. Howell 1946-7-7 22205 Marin Potrero Meadow, Mt. Tamalpais. Comment
  SD71226  Eryngium aristulatum John Thomas Howell 1946-9-15 23006 Marin Hidden Lake, Mt. Tamalpais. Comment
  SD71292  Plantago elongata John Howell 1946-4-14 21634 Marin Near Dillons Beach, Marin County Comment
  SD71372  Stipa lepida John Thomas Howell 1966-5-25 41538 Marin Gully just north of garden area, John Thomas Howell Botanical Garden, Tiburon Comment
  SEINET195365 Image available Stenotaphrum secundatum J. T. Howell 1945-6-22 Marin West of Mill Valley on road to Muir Woods Comment
  SEINET196564 Image available Poa kelloggii John Thomas Howell 1950-5-18 26311 Marin Lagunitas Creek near Camp Taylor. Comment
  SEINET196565 Image available Melica geyeri var. aristulata John Thomas Howell 1947-5-18 23185 Marin unspecified Comment
  SEINET196569 Image available Hordeum murinum subsp. leporinum J. T. Howell 1949-4-24 25307 Marin Fort McDowell Angel Island Comment
  SEINET196686 Image available Bromus rubens John Thomas Howell 1947-4-27 23096 Marin Bald Mt. west of San Anselmo. Comment
  SEINET199903  Agrostis densiflora John Thomas Howell 1946-6-30 22146 Marin Rodeo Lagoon Comment
  SEINET199907  Agrostis gigantea John T Howell 1938-10-15 Marin Fairbax Rd near Alpien Lake, Marin Co. Comment
  SEINET199910 Image available Elymus triticoides John Thomas Howell 1943-5-9 19314 Marin Between Jamalpais Valley and Jamalpais High School Comment
  SEINET199911  Elymus glaucus subsp. virescens John Thomas Howell 1946-6-9 22009 Marin Pierce Ranch, Point Reyes Peninsula, Marin Co. Comment
  SEINET199917 Image available Glyceria leptostachya J. T. Howell 1943-6-6 18198 Marin Between Mill Valley and Muir Woods Comment
  SEINET199930  Elymus glaucus subsp. glaucus J. T. Howell 1943-6-6 18209 Marin Camp below Muir Woods Comment
  SEINET199931 Image available Vulpia microstachys var. pauciflora John Thomas Howell 20801 Marin San Rafael Hills. Comment
  SEINET199933 Image available Vulpia myuros f. megalura John Thomas Howell 1943-5-22 18137 Marin Fairfax Hills Comment
  SEINET199937 Image available Dichanthelium acuminatum subsp. fasciculatum John Thomas Howell 1941-6-29 16340 Marin Between rock Srping and Laurel Dell. Mt. Tamalpais Comment
  SEINET236413 Image available Poa douglasii John Thomas Howell 1946-4-21 21687 Marin Near the radio station Pt. Reyes Peninsula. Comment
  SEINET237853  Agrostis hendersonii John Thomas Howell 1947-5-14 1411 Marin Drakes Estero WNW of Mount Vision. Comment
  SEINET249949  Elymus elymoides subsp. brevifolius John Thomas Howell 1943-5-15 18082 Marin Tiburon Peninsula. Comment
  SEINET7893532  Cypselea humifusa John Thomas Howell 1947-1 24184 Marin Alpine Lake Comment
  SEINET943641  Bromus carinatus var. carinatus John Thomas Howell 1958-1 33636 Marin S. side of Alpine Lake, Mt. Tamalpais Comment
  UC1008729  Navarretia intertexta subsp. intertexta John Thomas Howell 1942-7-12 17030 Marin Potrero Meadows Mt. Tamalpais Comment
  UC1008736  Navarretia rosulata John Thomas Howell 1941-7-6 16368 Marin Mt. Tamalpais; Rocky Ridge Fire Trail Comment
  UC1026368  Psilocarphus chilensis John Thomas Howell 1952-6-3 28323 Marin near radio station Pt. Reyes Peninsula Comment
  UC1106071  Ranunculus flammula John Thomas Howell 1946-6-20 22103 Marin four mi n Bolinas (on Olema Rd) Comment
  UC1106077  Schoenoplectus acutus var. occidentalis John Thomas Howell 1945-8-5 21367 Marin Stinson Beach Comment
  UC1106081  Eleocharis macrostachya John Thomas Howell 1944-6-25 19640 Marin San Rafael Comment
  UC1106087  Leymus triticoides John Thomas Howell 1946-6-9 22002 Marin Abbotts Lagoon Comment
  UC1106091  Festuca occidentalis John Thomas Howell 1946-6-2 21989 Marin Lake Lagunitas Mt. Tamalpais Comment
  UC1106094  Festuca roemeri John Thomas Howell 1943-5-15 18084 Marin Tiburon Peninsula Comment
  UC1106100  Nassella pulchra John Thomas Howell 1946-5-16 21849 Marin se side Angel Island Comment
  UC1106103  Stenotaphrum secundatum John Thomas Howell 1944-10-1 20766 Marin Fairfax Comment
  UC1106105  Scribneria bolanderi John Thomas Howell 1946-5-12 21776 Marin s end of Carson Ridge Carson Ridge Comment
  UC1106106  Desmazeria rigida John Thomas Howell 1943-6-13 18225 Marin Sausalito 60 Comment
  UC1106108  Elymus glaucus subsp. virescens John Thomas Howell 1946-7-7 22221 Marin Mt. Tamalpais; West Peak Comment
  UC1106109  Elymus glaucus subsp. virescens John Thomas Howell 1947-5-14 23161 Marin McClure Beach Comment
  UC1106110  Leymus mollis subsp. mollis John Thomas Howell 1945-6-30 21250 Marin Stinson Beach Comment
  UC1106112  Leymus X vancouverensis John Thomas Howell 1946-7-4 22177 Marin Dillons Beach Comment
  UC1106113  Leymus triticoides John Thomas Howell 1944-5-28 19528 Marin between Almonte and Mill Valley Comment
  UC1106115  Lolium perenne John Thomas Howell 1943-5-9 Marin San Raphael Comment
  UC1106116  Melica torreyana John Thomas Howell 1943-5-9 17982 Marin San Rafael Hills Comment
  UC1106118  Lolium temulentum John Thomas Howell 1941-6-29 Marin Rattlesnake Camp Mt. Tamalpais; , Rattlesnake Camp Comment
  UC1106119  Hainardia cylindrica John Thomas Howell 1945-5-27 20880 Marin above Bootjack (Mount Tamalpais); Mount Tamalpais Comment
  UC1106120  Koeleria macrantha John Thomas Howell 1941-5-25 16212 Marin Rifle Camp Mt. Tamalpais (Mt. Tamalpais); , Rifle Camp Comment
  UC1106122  Trisetum canescens John Thomas Howell 1949-5-15 25313 Marin w of Inverness; Mt. Tamalpais Comment
Read comments
Feb 24 2012
  UC1106125  Nassella cernua John Thomas Howell 1945-4-29 20796 Marin Fairfax Hills Comment
  UC1106126  Nassella cernua John Thomas Howell 1946-5-19 21916 Marin Carson Ridge Comment
  UC1106129  Hordeum marinum subsp. gussoneanum John Thomas Howell 1946-4-14 Marin Chileno Valley Comment
  UC1106130  Hordeum murinum subsp. leporinum John Thomas Howell 1939-5-28 Marin Almonte Comment
  UC1106136  Gastridium ventricosum John Thomas Howell 1940-5-26 Marin San Anselmo Canyon Comment
  UC1106138  Melica harfordii John Thomas Howell 1941-5-25 16204 Marin Mt. Tamalpais; Arturo Trail Comment
  UC1106139  Melica geyeri John Thomas Howell 1947-5-25 23195 Marin Mt. Tamalpais; Bernstein Trail, near the Mt. Theatre Comment
  UC1106140  Melica geyeri John Thomas Howell 1943-4-11 17906 Marin Black Canyon; San Rafael Hills Comment
  UC1106142  Melica subulata John Thomas Howell 1945-6-3 20916 Marin near Inverness Comment
  UC1106145  Mollugo verticillata John Thomas Howell 1946-11-24 Marin Alpine Lake, Mount Tamalpais Comment
  UC1106146  Cypselea humifusa John Thomas Howell 1939-8-27 15327 Marin Lake Lagunitas Comment
  UC1106150  Rumex pulcher John Thomas Howell 1939-5-14 Marin Ross Comment
  UC1106185  Rigiopappus leptocladus John Thomas Howell 1942-7-12 17022 Marin Tamalpais, Potrero Meadows Comment
  UC1106186  Lasthenia glaberrima John Thomas Howell 1945-5-9 20827 Marin between Hamilton Field and Ignacio Comment
  UC1106188  Lasthenia californica subsp. californica John Thomas Howell 1947-4-30 23115 Marin Dillons Beach Comment
  UC1106189  Microseris bigelovii John Thomas Howell 1947-4-23 23070 Marin w of Mt. Vision; Drakes Estero Comment
  UC1106190  Microseris bigelovii John Thomas Howell 1946-5-19 21910 Marin Meadows Club, Fairfax hills Fairfax Comment
  UC1106192  Cotula australis John Thomas Howell 1945-9-16 21468 Marin San Rafael Comment
  UC1106193  Polygonum aviculare subsp. aviculare John Thomas Howell 1945-7-15 21291 Marin Fairfax Comment
  UC1106195  Pterostegia drymarioides John Thomas Howell 1945-5-6 20806 Marin San Rafael Hills Comment
  UC1106196  Microseris paludosa John Thomas Howell 1944-5-14 19457 Marin hills near Salmon Creek School Comment
  UC1106207  Bromus madritensis subsp. madritensis John Thomas Howell 1944-4-16 19390 Marin Mount Tamalpais, Corte Madera Ridge Corte Madera Ridge; Mount Tamalpais, Corte Madera Ridge Comment
  UC1106241  Trifolium barbigerum John Thomas Howell 1946-4-14 21620 Marin near Tomales 0 Comment
  UC1106244  Trifolium gracilentum John Thomas Howell 1946-4-18 21662 Marin Black Point Comment
  UC1106247  Trifolium variegatum var. melananthum John Thomas Howell 1945-5-9 20805 Marin Between Hamilton Field and Ignacio Comment
  UC1106251  Trifolium variegatum var. variegatum John Thomas Howell 1944-4-23 19407 Marin s e Kentfield (hills) Comment
  UC1106254  Astragalus gambelianus John Thomas Howell 1942-4-12 16942 Marin Big Carson Canyon near Warm Springs; Big Carson Canyon near Warm Springs Comment
  UC1106261  Streptanthus glandulosus subsp. pulchellus John Thomas Howell 1940-5-12 15425 Marin between Little Carson and Carson Ridge Comment
  UC1106264  Pentachaeta alsinoides John Thomas Howell 1947-5-4 23118 Marin San Rafael Hills Comment
  UC1106271  Micropus amphibolus John Thomas Howell 1946-5-16 21871 Marin Angel Island Angel Island (s side) Comment
  UC1106274  Gnaphalium palustre John Thomas Howell 1946-9-20 23024 Marin e of Aurora School (Marin-Sonoma County line) Comment
  UC1106277  Allium triquetrum John Thomas Howell 1950-4-23 26309 Marin along Summit Ave. Mill Valley, Summit Ave. Comment
  UC1106281  Potamogeton foliosus John Thomas Howell 1946-8-23 22893 Marin Pierce Point Road; Point Reyes Peninsula Comment
  UC1106291  Juncus phaeocephalus John Thomas Howell 1939-10-1 15362 Marin Lake Lagunitas Comment
  UC1106294  Lilaea scilloides John Thomas Howell 1944-5-28 19529 Marin between Almonte and Mill Valley Comment
  UC1106301  Minuartia californica John Thomas Howell 1946-4-14 21632 Marin near Dillons Beach Comment
  UC1106304  Sagina decumbens subsp. occidentalis John Thomas Howell 1946-4-21 21691 Marin downs near radio station Pt. Reyes Peninsula Comment
  UC1106307  Stellaria nitens John Thomas Howell 1982-4-27 23084 Marin w of San Anselmo (Bald Mt); Bald Mt. Comment
  UC1106311  Vulpia myuros var. myuros John Thomas Howell 1943-5-9 17961 Marin San Rafael Hills Comment
  UC1176734  Ribes menziesii John Thomas Howell 1950-10-11 27469 Marin Bear Valley Comment
  UC1176737  Saxifraga californica John Thomas Howell 1947-3-2 Marin Bald Mountain, on Yolanda Route Bald Mountain Comment
  UC1176744  Delphinium californicum John Thomas Howell 1946-6-20 22091 Marin Muir Beach Comment
  UC1176747  Ranunculus pusillus John Thomas Howell 1946-6-16 22082 Marin Olema Marshes Comment
  UC1176751  Ranunculus californicus John Thomas Howell 1946-4-14 21631 Marin near Dillons Beach Comment
  UC1176757  Urtica dioica subsp. gracilis John Thomas Howell 1946-6-16 22074 Marin Inverness Park Comment
  UC1176761  Ribes sanguineum var. glutinosum John Thomas Howell 1944-7-9 19696 Marin Inverness Ridge Comment
  UC1176771  Abronia latifolia John Thomas Howell 1947-5-14 23158 Marin McClure Beach Comment
  UC1176774  Calandrinia ciliata John Thomas Howell 1940-5-20 15503 Marin Pt. Reyes Comment
  UC1176781  Alnus rubra John Thomas Howell 1940-5-20 15485 Marin Inverness Comment
  UC1176784  Amaranthus albus John Thomas Howell 1939-10-15 15374 Marin Alpine Lake Comment
  UC1176787  Amaranthus blitoides John Thomas Howell 1939-9-3 15339 Marin near Novato Comment
  UC1176794  Elymus multisetus John Thomas Howell 1944-6-25 Marin San Rafael Comment
  UC1176797  Chenopodium ambrosioides John Thomas Howell 1945-5-9 Marin Ignacio Comment
  UC1176802  Salix sitchensis John Thomas Howell 1947-3-23 23047 Marin Cataract Gulch Mt. Tamalpais; , Cataract Gulch Comment
  UC1176803  Salix sitchensis John Thomas Howell 1943-7-4 18263 Marin Ledum Swamp on rd. to Pt. Reyes; Ledum Swamp Comment
Read comments
Dec 6 2007
  UC1176808  Rumex salicifolius var. crassus John Thomas Howell 1946-7-4 22173 Marin Dillons Beach Comment
  UC1176809  Rumex salicifolius var. salicifolius John Thomas Howell 1946-7-7 22204 Marin Potrero Meadow Mt. Tamalpais Comment
  UC1176810  Rumex salicifolius var. salicifolius John Thomas Howell 1946-6-30 22138 Marin Rodeo Lagoon Comment
  UC1176812  Salix lasiolepis John Thomas Howell 1946-7-4 22180 Marin Dillons Beach Comment
  UC1176813  Salix exigua var. hindsiana John Thomas Howell 1945-5-9 20841 Marin Ignacio Comment
  UC1176815  Rumex salicifolius var. denticulatus John Thomas Howell 1945-7-29 21336 Marin Bolinas Comment
  UC1176818  Rorippa palustris John Thomas Howell 1947-6-18 23264 Marin Laguna , Laguna (Chileno Valley) Comment
  UC1176820  Rumex salicifolius var. crassus John Thomas Howell 1944-9-24 20751 Marin e side Bolinas Lagoon Comment
  UC1176858  Typha latifolia John Thomas Howell 1958-6-28 33639 Marin Willow Meadow Mt. Tamalpais; , Willow Meadow Comment
  UC1176878  Hypochaeris glabra John Thomas Howell 1948-6-6 24333 Marin Bolinas Comment
  UC1176879  Senecio minimus John Thomas Howell 1941-7-16 Marin s side along road near Fern Canyon; Mt. Tamalpais Comment
  UC1176880  Xanthium strumarium John Thomas Howell 1946-9-8 Marin near Ignacio Comment
  UC1176882  Madia anomala John Thomas Howell 1941-6-10 16284 Marin Black Point Comment
  UC1176885  Senecio sylvaticus John Thomas Howell 1947-10-19 24192 Marin desiccated strand Alpine Lake; desiccated strand of Alpine Lake Comment
  UC1176886  Grindelia hirsutula John Thomas Howell 1945-7-29 21362 Marin ocean bluff at mouth Rio Honda (n of Bolinas) Comment
  UC1176888  Lasthenia californica subsp. macrantha John Thomas Howell 1939-6-4 Marin Point Reyes lighthouse Point Reyes Comment
  UC1176889  Eriophyllum lanatum var. arachnoideum John Thomas Howell 1939-4-23 14602 Marin Blythedale Canyon , Mill Valley Comment
  UC1176890  Eriophyllum lanatum var. arachnoideum John Thomas Howell 1939-5-28 7395 Marin Pt. Reyes Lighthouse Comment
  UC1176892  Grindelia hirsutula John Thomas Howell 1944-9-10 20739 Marin Inverness Comment
  UC1176893  Grindelia hirsutula John Thomas Howell 1946-5-16 21860 Marin se side Angel Island; se side Angel Island Comment
  UC1176895  Grindelia hirsutula John Thomas Howell 1946-11-3 23033 Marin Hamilton Field Comment
  UC1176896  Grindelia hirsutula John Thomas Howell 1939-9-3 15330 Marin Corte Madera salt marsh Comment
  UC1176898  Grindelia hirsutula John Thomas Howell 1946-5-16 21882 Marin w side Angel Island Comment
  UC1176899  Achillea millefolium J. Thomas Howell 1944-7-23 19850 Marin Santa Venetia Comment
  UC1176904  Wyethia glabra John Thomas Howell 1945-5-9 20855 Marin between Ignacio and Novato Comment
  UC1176911  Eriogonum latifolium John Thomas Howell 1939-7-2 14825 Marin ridge between Tennessee Cove and Pirates Cove Comment
  UC1176917  Polygonum ramosissimum John Thomas Howell 1945-7-8 21284 Marin San Antonio Station Comment
  UC1176921  Microseris douglasii subsp. douglasii John Thomas Howell 1946-5-12 21785 Marin Carson Ridge Comment
  UC1176924  Chorizanthe polygonoides var. polygonoides John Thomas Howell 1941-5-25 16229 Marin between Potrero Meadow and Mount Theater (Mount Tamalpais); Mt. Tamalpais, btwn Potrero Meadow and Mt. Theater Comment
  UC1177011  Bromus diandrus John Thomas Howell 1949-6-7 25343 Marin Aurora School, northern Marin County Aurora School Comment
  UC1177014  Bromus carinatus var. carinatus John Thomas Howell 1948-5-31 24326 Marin Devils Gulch near Camp Taylor; Devils Gulch Comment
  UC1177017  Bromus secalinus John Thomas Howell 1945-6-24 21245 Marin Mount Tamalpais, Lagunitas Meadows Lagunitas Meadows; Mount Tamalpais, Lagunitas Meadows Comment
  UC1177021  Alopecurus saccatus John Thomas Howell 1946-5-4 21702 Marin e. of Aurora School (at Sonoma Co. line) Comment
  UC1177024  Agrostis exarata John Thomas Howell 1945-7-1 21264 Marin Tiburon Comment
  UC1177027  Agrostis exarata John Thomas Howell 1945-6-24 21237 Marin Willow Meadow Mt. Tamalpais Comment
  UC1177034 Image available Agrostis exarata John Thomas Howell 1943-7-4 18250 Marin on road to Point Reyes; Ledum Swamp Comment
  UC1177037  Agrostis exarata John Thomas Howell 1946-7-7 22207 Marin Potrero Meadow Mt. Tamalpais Comment
  UC1177041  Agrostis alba John Thomas Howell 1943-7-3 18244 Marin Sausalito Comment
  UC1177105  Leymus pacificus John Thomas Howell 1948-6-6 24335 Marin Stinson Beach Comment
  UC1177106  Elymus trachycaulus John Thomas Howell 1943-6-8 18218 Marin Tiburon Comment
  UC1177108  Deschampsia cespitosa subsp. holciformis John Thomas Howell 1946-6-30 22153 Marin Rodeo Lagoon Comment
  UC1177110  Deschampsia elongata John Thomas Howell 1946-5-19 21920 Marin Carson Ridge Comment
  UC1177112  Danthonia californica John Thomas Howell 1947-7-6 23326 Marin near Barths Retreat; Mt. Tamalpais Comment
  UC1177113  Danthonia californica John Thomas Howell 1941-5-25 16210 Marin Rifle Camp Mt. Tamalpais Comment
  UC1177115  Cynosurus echinatus John Thomas Howell 1943-5-22 18157 Marin Lagunitas Meadows Mt. Tamalpais; , Lagunitas Meadows Comment
  UC1177116  Digitaria sanguinalis John Thomas Howell 1941-7-6 Marin Ross Comment
  UC1177118  Poa unilateralis John Thomas Howell 1939-6-4 Marin Pt Reyes Lighthouse Comment
  UC1177122  Briza maxima John Thomas Howell 1941-5-25 16223 Marin Potrero Meadow Mt. Tamalpais Comment
  UC1177123  Poa douglasii John Thomas Howell 1946-5-4 21741 Marin Dillon's Beach Comment
  UC1177128  Calamagrostis stricta subsp. inexpansa John Thomas Howell 1949-5-25 25338 Marin Pt. Reyes Peninsula; grassy flat behind dunes Comment
  UC1177129  Calamagrostis rubescens John Thomas Howell 1943-5-30 18184 Marin above Mill Valley; Mt. Tamalpais, Summit Avenue Ridge Comment
  UC1177173  Lupinus formosus John Thomas Howell 1945-5-9 20854 Marin between Ignacio and Novato; between Ignacio and Novato Comment
  UC1177175  Lupinus formosus John Thomas Howell 1944-5-7 19432 Marin Baltimore Park Comment
  UC1177176  Lupinus albifrons var. albifrons John Thomas Howell 1940-5-26 15544 Marin Little Carson Comment
  UC1177178  Lupinus albifrons var. douglasii John Thomas Howell 1950-6-4 26622 Marin Mt. Tamalpais; Mt. Tamalpais, Blithedale Canyon Comment
  UC1177179  Lupinus formosus John Thomas Howell 1940-5-26 15521 Marin San Anselmo Canyon Comment
  UC1177180  Lupinus albifrons John Thomas Howell 1939-11-5 Marin Manzanita Comment
  UC1177182  Lupinus arboreus var. eximius John Thomas Howell 1939-5-28 7385 Marin Pt. Reyes lighthouse Comment
  UC1177186  Lotus strigosus John Thomas Howell 1944-5-27 19505 Marin above Cascade Canyon (s side of Mt. Tamalpais); Mt. Tamalpais Comment
  UC1177190  Lotus junceus var. biolettii John Thomas Howell 1939-6-4 14711 Marin Point Reyes lighthouse Point Reyes Comment
  UC1177193  Lotus grandiflorus John Thomas Howell 1946-6-23 22125 Marin near Lily Lake Comment
  UC1177195  Trifolium hybridum John Thomas Howell 1945-7-29 21347 Marin Bolinsa Comment
  UC1177198  Lotus uliginosus John Thomas Howell 1944-5-28 19525 Marin between Almonte and Mill Valley Comment
  UC1177199  Trifolium wormskioldii John Thomas Howell 1940-5-20 15505 Marin Point Reyes Comment
  UC1177204  Trifolium depauperatum var. amplectens John Thomas Howell 1946-4-18 21646 Marin Ignacio Comment
  UC1177207  Trifolium macraei John Thomas Howell 1947-4-23 23067 Marin w Mt. Vision (Drakes Estero) Comment
  UC1177211  Lupinus arboreus John Thomas Howell 1946-5-4 21736 Marin Dillons Beach Comment
  UC1177214  Lupinus formosus John Thomas Howell 1944-7-9 19688 Marin Inverness Ridge Comment
  UC1177217  Lupinus formosus John Thomas Howell 1946-5-25 21934 Marin Greenbrae Hills Comment
  UC1177221  Vicia gigantea John Thomas Howell 1947-4-13 Marin Tiburon Comment
Read comments
Mar 26 2009
  UC1177224  Medicago polymorpha John Thomas Howell 1939-4-23 Marin Blithedale Canyon Mt. Tamalpais Comment
  UC1177227  Medicago sativa John Thomas Howell 1939-9-3 Marin Corte Madera Comment
  UC1177234  Amorpha californica var. napensis John Thomas Howell 1946-5-25 21943 Marin hills w Corte Madera Comment
  UC1177237  Amelanchier utahensis John Thomas Howell 1941-6-29 16328 Marin Rock Spring; Mt. Tamalpais Comment
  UC1177241  Rubus ulmifolius var. inermis John Thomas Howell 1943-9-5 19313 Marin between Tamalpais Valley and Tamalpais High School; between Tamalpais Valley and Tamalpais H.S. Comment
  UC1177244  Oemleria cerasiformis John Thomas Howell 1946-6-16 22078 Marin Olema Marshes Comment
  UC1177247  Rubus ursinus John Thomas Howell 1943-4-11 17894 Marin Black Canyon San Rafael Hills, Black Canyon Comment
  UC1177251  Erysimum concinnum John Thomas Howell 1939-5-28 7379 Marin Pt. Reyes lighthouse Comment
  UC1177254  Brassica nigra John Thomas Howell 1943-6-6 18196 Marin Between Mill Valley and Muir Woods. Comment
  UC1177257  Hirschfeldia incana John Thomas Howell 1942-6-21 17002 Marin Fairfax Comment
  UC1177261  Erigeron petrophilus var. petrophilus John Thomas Howell 1943-5-30 Marin Northside Trail Mt. Tamalpais, Northside Trail Comment
  UC1177264  Solidago velutina subsp. californica John Thomas Howell 1946-8-23 22886 Marin Pierce Pt. Road Pt. Reyes Peninsula (Pt. Reyes Peninsula) Comment
  UC1177271  Heterotheca sessiliflora subsp. bolanderi John Thomas Howell 1939-7-2 14831 Marin ridge between Tennessee Cove and Pirates Cove Comment
  UC1177281  Stephanomeria elata John Thomas Howell 1946-9-22 Marin Phoenix Lake Mt. Tamalpais Comment
  UC1177284  Corethrogyne filaginifolia John Thomas Howell 1943-7-4 Marin near Ledum Swamp; Point Reyes Comment
  UC1177287  Hedypnois rhagadioloides John Thomas Howell 1947-6-18 23278 Marin near Dillons Beach Comment
  UC1177291  Cirsium andrewsii J. Thomas Howell 1947-6-18 23275 Marin Dillons Beach Comment
  UC1177294  Hesperevax sparsiflora var. sparsiflora John Thomas Howell 1940-5-26 15530 Marin Little Carson Falls Comment
  UC1177297  Pseudognaphalium luteoalbum John Thomas Howell 1943-5-9 17948 Marin San Rafael Comment
  UC1177307  Carthamus lanatus J. Thomas Howell 1946-9-20 23020 Marin Chileno Valley Comment
  UC1177311  Helenium amarum var. amarum John Thomas Howell 1946-9-8 Marin near Ignacio Comment
  UC1177314  Layia platyglossa John Thomas Howell 1939-5-21 Marin S. Tiburon Comment
  UC1177321  Achyrachaena mollis J. Thomas Howell 1946-4-18 21672 Marin Black Point Comment
  UC1177324  Quercus X chasei John Thomas Howell 1946-12-22 23035 Marin Greenbrae Hills Comment
  UC1177327  Potamogeton nodosus John Thomas Howell 1939-8-27 15319 Marin Phoenix Lake Comment
  UC1177381  Juncus phaeocephalus var. paniculatus John Thomas Howell 1939-8-27 15314 Marin Phoenix Lake Comment
  UC1177384  Piperia elegans John Thomas Howell 1946-8-23 22887 Marin Pierce Pt. road Point Reyes Peninsula Comment
  UC1177391  Disporum smithii John Thomas Howell 1941-5-18 16185 Marin Mount Tamalpais Comment
  UC1177394  Damasonium californicum John Thomas Howell 1946-5-4 21700 Marin e. of Aurora School (at Sonoma Co. line) Comment
  UC1177397  Calochortus umbellatus John Thomas Howell 1946-5-12 21812 Marin Carson country Comment
  UC1177400  Juncus effusus subsp. pacificus John Thomas Howell 1942-7-12 17023 Marin Potrero Meadow Mt. Tamalpais Comment
  UC1177403  Juncus bolanderi John Thomas Howell 1942-7-12 17025 Marin Potrero Meadow Mt. Tamalpais Comment
  UC1177405  Juncus mexicanus John Thomas Howell 1947-5-18 23183 Marin Lagunitas Meadows Comment
  UC1177406  Typha angustifolia John Thomas Howell 1948-9-19 25288 Marin Phoenix Lake Mt. Tamalpais; , Phoenix Lake Comment
  UC1177408  Quercus X subconvexa John Thomas Howell 1941-7-6 16364 Marin Hidden Lake Mt. Tamalpais Comment
  UC1177409  Quercus X subconvexa John Thomas Howell 1940-5-26 15525 Marin San Anselmo Canyon Comment
  UC1177410  Quercus durata var. durata John Thomas Howell 1945-4-17 Marin above Tiburon Comment
  UC1177412  Quercus X morehus John Thomas Howell 1939-10-29 Marin San Geronimo Ridge Comment
  UC1177413  Lithocarpus densiflorus John Thomas Howell 1947-5-25 23206 Marin Mt. Tamalpais; Berry Trail Comment
  UC1177415  Quercus X subconvexa John Thomas Howell with John Tucker 1947-8-31 24175 Marin n of Alpine Lake (Ridgecrest Road) Comment
  UC1177416  Quercus X eplingii John Thomas Howell 1945-9-23 21495 Marin between Phoenix Lake and Lake Lagunitas (n side of Fish Grade); Fish Grade Comment
  UC1177418  Quercus berberidifolia John Thomas Howell 1939-8-27 15322 Marin s side Fish Grade (between Phoenix Lake and Lake Lagunitas) Comment
  UC1177419  Quercus berberidifolia John Thomas Howell 1947-8-31 24176 Marin sw of (above) Meadows Club (Ridgecrest Road) Comment
  UC1177420  Typha domingensis John Thomas Howell 1948-9-19 25287 Marin Phoenix Lake Mt. Tamalpais; , Phoenix Lake Comment
  UC1177422  Hypericum formosum var. scouleri John Thomas Howell 1947-7-6 23322 Marin between Rock Spring and Laurel Dell (Mt. Tamalpais); Mt. Tamalpais Comment
  UC1177426  Minuartia douglasii John Thomas Howell 1946-5-12 21782 Marin Carson Ridge Comment
  UC1177428  Paronychia franciscana John Thomas Howell 1941-6-8 16259 Marin hills ne San Rafael Comment
  UC1177430  Silene antirrhina John Thomas Howell 1946-5-12 21795 Marin Carson Ridge Comment
  UC1177433  Rosa spithamea John Thomas Howell 1942-6-21 17001 Marin San Anselmo Canyon Comment
  UC1177435  Rosa californica John Thomas Howell 1946-6-30 22162 Marin Rodeo Lagoon Comment
  UC1177440  Lupinus bicolor John Thomas Howell 1943-5-9 17971 Marin San Rafael Hills Comment
  UC1177445  Myriophyllum aquaticum John Thomas Howell 1946-6-16 22089 Marin Desiccated pond, Point Reyes Station. Comment
  UC1177446  Hesperolinon micranthum John Thomas Howell 1946-7-7 22192 Marin s of Barths Retreat; Mt. Tamalpais Comment
  UC1177449  Ceanothus John Thomas Howell 1947-5-25 23199 Marin Simmons Trail Mt. Tamalpais; , Simmons Trail Comment
  UC1177450  Ceanothus John Thomas Howell 1948-5-16 24298 Marin upper part of Cascade Canyon Cascade Canyon; Mt. Tamalpais, upper part of Cascade Canyon Comment
  UC1177452  Cardionema ramosissimum John Thomas Howell 1945-6-3 20915 Marin near Inverness Comment
  UC1177453  Ceanothus foliosus John Thomas Howell 1946-5-25 21942 Marin hills w of Corte Madera Comment
  UC1177455  Viola ocellata John Thomas Howell 1946-5-14 21841 Marin Potrero Meadow; Mount Tamalpais, Potrero Meadow Comment
  UC1177458  Lupinus nanus John Thomas Howell 1947-4-23 23072 Marin Drakes Estero w Mt. Vision; Drakes Estero w of Mt. Vision Comment
  UC1177462  Vicia hirsuta John Thomas Howell 1943-7-4 18281 Marin near Inverness Comment
  UC1177466  Vicia gigantea John Thomas Howell 1949-6-12 25348 Marin Corte Madera Ridge; Mt. Tamalpais Comment
  UC1177470  Vicia lutea John Thomas Howell 1944-5-14 19466 Marin Salmon Creek Comment
  UC1177473  Polygala californica John Thomas Howell 1948-5-29 Marin Fern Canyon Mt. Tamalpais, Fern Canyon Comment
  UC1177475  Lupinus microcarpus var. densiflorus John Thomas Howell 1946-5-12 21761 Marin between Fairfax and Country Club Comment
  UC1177476  Vicia villosa subsp. varia John Thomas Howell 1944-7-9 19703 Marin Inverness Ridge Comment
  UC1177478  Lupinus nanus John Thomas Howell 1944-6-4 19552 Marin w Inverness (Inverness Ridge); Inverness Ridge Comment
  UC1177479  Lupinus bicolor John Thomas Howell 1946-4-13 21596 Marin Mt. Tamalpais , Summit Meadow to Rock Spring (Summit Meadow to Rock Spring) Comment
  UC1177482  Phalaris paradoxa John Thomas Howell 1943-5-30 18179 Marin Mill Valley; Summit Ave. Comment
  UC1177483  Phalaris minor John Thomas Howell 1944-5-28 19511 Marin between Manzanita and Almonte Comment
  UC1177490  Pleuropogon hooverianus John Thomas Howell 1947-4-27 23107 Marin Ross Comment
  UC1177492  Pleuropogon californicus John Thomas Howell 1946-5-4 21701 Marin e Aurora School (at Sonoma Co line) Comment
  UC1177495  Panicum acuminatum var. acuminatum John Thomas Howell 1945-5-27 Marin Bootjack; Mt. Tamalpais Comment
  UC1177496  Polypogon interruptus John Thomas Howell 1945-6-24 Marin Rock Spring to Laurel Dell Mt. Tamalpais; , Rock Spring to Laurel Dell Comment
  UC1177507  Polypodium glycyrrhiza John Thomas Howell 1943-5-2 Marin Big Carson Comment
  UC1177511  Equisetum X ferrissii John Thomas Howell 1944-9-24 20760 Marin w side Bolinas Lagoon Comment
  UC1177517  Equisetum arvense John Thomas Howell 1947-6-4 23218 Marin swale near radio station Pt. Reyes Peninsula Comment
  UC1422874  Clarkia gracilis John Thomas Howell 1947-5-18 23173 Marin Fairfax Hills Comment
  UC1598599  Holocarpha virgata subsp. virgata John Thomas Howell 1956-9-13 31876 Marin near Lake Lagunitas; Lagunitas Meadows Comment
  UC1601609  Streptanthus glandulosus subsp. pulchellus John Thomas Howell 1938-5-22 13791 Marin San Anselmo Canyon Comment
  UC421667  Sanicula crassicaulis John Thomas Howell 1930-4-20 4744 Marin head of Drake's Bay, on road to Inverness Drake's Bay Comment
  UC473437  Madia gracilis John Thomas Howell 1930-7-20 5371 Marin slopes near Phoenix Lake Comment
  UC473460  Monardella villosa subsp. villosa John Thomas Howell 1930-7-20 5382 Marin Slope southeast side Mt. Tamalpais along Wheeler Trail. Comment
  UC517438  Cuscuta subinclusa John Thomas Howell 1926-8-15 2182 Marin above Corte Madera; Mt. Tamalpais Comment
  UC518016  Arctostaphylos glandulosa subsp. glandulosa John Thomas Howell 1933-3-19 10866 A Marin slopes at head Muir Woods Comment
  UC583126  Carex obnupta John Thomas Howell and J. W. Stacey 1936-6-7 12648 Marin on road to Point Reyes; Ledum Swamp Comment
  UC618377  Linanthus acicularis John Thomas Howell 1938-5-22 13789 Marin San Anselmo Canyon Comment
  UC618390  Streptanthus glandulosus subsp. secundus John Thomas Howell 1938-7-3 13945 Marin serpentine slope at head of valley Lucas Valley Comment
  UC618501  Navarretia mellita John Thomas Howell 1938-6-19 13917 Marin Throckmorton Trail Mt. Tamalpais Comment
Read comments
Jul 2 2011
  UC618502  Navarretia squarrosa John Thomas Howell 1938-6-19 13916 Marin Throckmorton Trail Mt. Tamalpais Comment
  UC702993  Phacelia californica John Thomas Howell 1930-7-20 5384 Marin se side Mt. Tamalpais Comment
  UC703117 Image available Sidalcea hickmanii subsp. viridis John Thomas Howell 1942-6-21 16997 Marin Carson Ridge Comment
  UC710451  Carex harfordii John Thomas Howell 1943-7-4 18266 Marin near Ledum Swamp; Pt. Reyes Peninsula Comment
  UC710455  Ribes victoris John Thomas Howell 1943-4-11 17915 Marin hills ne San Rafael Comment
  UC710610  Pelargonium grossularioides John Thomas Howell 1944-7-23 19842 Marin San Rafael 60 Comment
  UC710611  Lactuca saligna John Thomas Howell 1943-9-5 19324 Marin Mill Valley 7 Comment
  UC710617  Amaranthus deflexus John Thomas Howell 1944-7-23 19852 Marin San Rafael 15 Comment
  UC750550  Heterotheca oregona var. oregona John Thomas Howell 1945-9-16 21498 Marin n of San Rafael (along railroad) Comment
  UC750587  Oxalis micrantha John Thomas Howell 1946-6-20 22099 Marin Stinson Beach Comment
  UC750600  Parapholis incurva John Thomas Howell 1945-5-6 20816 Marin San Rafael Comment
  UC750601  Lathyrus tingitanus John Thomas Howell 1945-7-1 21260 Marin Tiburon Comment
  UC750607  Quercus garryana John Thomas Howell 1945-7-15 21301 Marin near Camp Lilienthal; Fairfax Hills Comment
  UC750608  Centunculus minimus John Thomas Howell 1945-6-12 20945 Marin Mount Tamalpais, Potrero Meadow Potrero Meadow; Mount Tamalpais, Potrero Meadow Comment
  UC750711  Triglochin maritima John Thomas Howell 1944-5-28 19509 Marin Manzanita Comment
  UC750717  Madia anomala John Thomas Howell 1946-5-25 21932 Marin Greenbrae Hills Comment
  UC851448  Amaranthus californicus John Thomas Howell 1939-9-3 15352 Marin San Antonio Creek Comment
  UC879570  Cuscuta salina var. major John Thomas Howell 1939-11-5 15386 Marin Sausalito Comment
  UC879571  Cuscuta salina var. major John Thomas Howell 1939-9-3 15356 Marin mouth of San Antonio Creek San Antonio Creek Comment
  UC879576  Cuscuta subinclusa John Thomas Howell 1939-9-3 15355 Marin mouth of San Antonio Creek San Antonio Creek Comment
  UC904941  Carex garberi John Thomas Howell 1945-8-19 21423 Marin near Ledum Swamp Comment
  UC904978  Carex obnupta John Thomas Howell 1946-7-4 22179 Marin Dillons Beach Comment
  UC904991  Carex densa John Thomas Howell 1944-4-23 19401 Marin hills SE of Kentfield Comment
  UC904992  Carex densa John Thomas Howell 1945-5-6 Marin San Rafael, near Dominican College Comment
  UC904993  Carex densa John Thomas Howell 1945-5-2 17935 Marin Big Carson Canyon Comment
  UC904998  Carex tumulicola John Thomas Howell 1943-5-2 17929 A Marin Big Carson Canyon Comment
  UC905011  Carex athrostachya John Thomas Howell 1946-6-13 22025 Marin Chileno Valley Comment
  UC905015  Carex subbracteata John Thomas Howell 1943-5-22 18158 Marin Lagunitas Meadows Comment
  UC905018  Carex gracilior John Thomas Howell 1946-5-4 21717 Marin e Aurora School; Sonoma Co. line Comment
  UC905070  Erodium brachycarpum John Thomas Howell 1947-4-23 23075 Marin e side Drakes Estero; Point Reyes Peninsula Comment
  UC905071  Erodium botrys John Thomas Howell 1947-4-13 23058 Marin Tiburon Peninsula Comment
  UC908798  Navarretia heterodoxa John Thomas Howell 1945-7-15 21308 Marin near Liberty Camp Comment
  UC912284  Lessingia hololeuca John Thomas Howell 1926-9-9 2192 Marin Baltimore Park Comment
  UC926374  Festuca elmeri John Thomas Howell 1948-5-22 1534 Marin Phoenix Lake Mount Tamalpais Comment
  UC927238  Calamagrostis stricta subsp. inexpansa John Thomas Howell 1947-6-4 1412 Marin swale near radio station; Point Reyes Peninsula Comment
  UC927239  Agrostis microphylla John Thomas Howell 1947-5-14 1411 Marin wnw Mount Vision; Drakes Estero Comment
  UCD103127  Erodium brachycarpum John Thomas Howell 1947-4-23 23075 Marin East side of Drakes Estero, Point Reyes Peninsula. Comment
  UCD110732  Salix babylonica John Thomas Howell 1980-9-8 53899 Marin Between Alpine and Bon Tempe Lakes. Comment
  UCD113765  Rubus armeniacus John Thomas Howell 1943-8-29 19311 Marin Summit Avenue, Mill Valley. Comment
  UCD116500  Cistus incanus John Thomas Howell 1941-6-10 16287 Marin Black Point. Comment
  UCD127496  Eryngium racemosum John Thomas Howell 1946-9-15 23006 Marin Hidden Lake, Mount Tamalpais. Comment
  UCD135191  Sequoia sempervirens John Thomas Howell 1957-2-3 32020 Marin Fern Canyon, Mt. Tamalpais. Comment
  UCD135596  Senecio minimus John Thomas Howell 1944-7-30 19857 Marin Almonte. Comment
  UCD47323  Quercus X subconvexa John Thomas Howell 1959-8-23 34601 Marin (Q. durata X Q. garryana). Near Barth's Retreat, Mount Tamalpais, Marin County. Comment
  UCD48556  Navarretia rosulata John Thomas Howell 1946-6-23 22114 Marin Carson Ridge, Marin County. Comment
  UCD48557  Navarretia rosulata John Thomas Howell 1952-9-7 28854 Marin Barths Retreat, Mt. Tamalpais, Marin County. Comment
  UCD51566  Aegilops triuncialis John Thomas Howell 1953-7-5 29107 Marin East Peak, Mt. Tamalpais. Comment
Read comments
Aug 10 2011
  UCD52394  Agrostis exarata John Thomas Howell 1945-6-24 21237 Marin Willow Meadow, Kent Trail, Mt. Tamalpais. Comment
  UCD56160  Anthoxanthum aristatum John Thomas Howell 1945-5-9 20856 Marin Low field between Hamilton Field and Ignacio. Comment
  UCD58205  Bromus carinatus John Thomas Howell 1955-5-13 30149 Marin Sidewalk parking near East Blithedale Ave. at Park School. Mill Valley. Comment
  UCD61089  Echinochloa muricata var. microstachya John Thomas Howell 1980-9-8 53892 Marin Alpine Lake near Bon Tempe Lake dam. Comment
  UCD63892  Desmazeria rigida John Thomas Howell 1943-6-13 18225 Marin Sausalito. 60 Comment
  UCD63893  Desmazeria rigida John Thomas Howell 1943-6-13 18225 Marin Sausalito. 60 Comment
  UCD63903  Desmazeria rigida John Thomas Howell 1943-6-13 18225 Marin Sausalito. 60 Comment
  UCD85581  Carduus pycnocephalus John Thomas Howell 1946-5-4 21754 Marin along Redwood Highway near Burdell. Comment
  UCD86394  Stenotaphrum secundatum John Thomas Howell 1945-7-22 21330 Marin West of Mill Valley on road to Muir Woods. Comment
  UCD86395  Stenotaphrum secundatum John Thomas Howell 1945-7-22 21330 Marin West of Mill Valley on road to Muir Woods. Comment
  UCD88655  Parapholis incurva John Thomas Howell 1945-5-6 20816 Marin San Rafael. Comment
  UCD90155  Pleuropogon californicus var. californicus John Thomas Howell 1945-5-9 20828 Marin between Hamilton Field and Ignacio. Comment
  UCD90982  Polypogon australis John Thomas Howell 1967-6-8 42547 Marin Inverness. Comment
  UCD92719  Setaria pumila John Thomas Howell 1954-10-21 30112 Marin Mt. Tamalpais, near Bootjack. Comment
  UCD99205  Spergularia media var. media John Thomas Howell 1944-4-23 19397 Marin Escalle. Comment
  UCD99207  Spergularia villosa John Thomas Howell 1944-6-25 19643 Marin Santa Venetia. 7 Comment
  UCR139460  Verbena incompta J. T. Howell 1943-9-5 19323 Marin San Francisco Bay Region, southern part of Mill Valley 8 Comment
  UCR143029  Torreya californica J. T. Howell 1948-5-16 24303 Marin Mt. Tamalpais, near top of Eldridge Grade Comment
  UCR244518  Digitaria sanguinalis J. T. Howell 1989-10-16 s.n. Marin Terra Linda, Freitas Park 29 Comment
  UCR66440  Lactuca saligna J. T. Howell 1943-9-25 19324 Marin Mill Valley, southern part of valley 8 Comment
  UCR80275  Pelargonium grossularioides J. T. Howell 1944-7-23 19842 Marin San Francisco Bay region, San Rafael 61 Comment
  UCR88851  Lepidium sativum J. T. Howell 1987-1-21 s.n. Marin Terra Linda Vegetable Garden at Nova Albion and Cermenho Court, Tera Linda, San Rafael. Comment
  UCSB9488  Senecio minimus Howell, John 1944-7-30 Marin Almonte Comment
  CAS-BOT-BC101677  Myrica californica John Thomas Howell 1927-4-23 2351 Marin About 1 mile east of Big Lagoon 30 Comment
  CAS-BOT-BC10250  Delphinium hesperium John Thomas Howell 1972-6-18 48872 Marin Near Ring Hill, Tuburon Peninsula 167 Comment
  CAS-BOT-BC111243  Schoenoplectus californicus John Thomas Howell 1939-10-1 15368 Marin Phoenix Lake Comment
  CAS-BOT-BC111247  Schoenoplectus californicus John Thomas Howell 1939-10-1 15368 Marin Phoenix Lake Comment
  CAS-BOT-BC112470  Isolepis cernua John Thomas Howell 1941-7-6 s.n. Marin Kent Trail at Willow Mdws., Mt Tamalpais. Comment
  CAS-BOT-BC112861  Eleocharis macrostachya John Thomas Howell 1939-8-27 15315 Marin Phoenix Lake, Mt. Tamalpais Comment
  CAS-BOT-BC112862  Eleocharis macrostachya John Thomas Howell 1941-6-10 16298 Marin 9 mi. N of Novato Comment
  CAS-BOT-BC112863  Eleocharis macrostachya John Thomas Howell 1945-9-13 21462 Marin Fresh water marshes south end of Tomales Bay. Comment
  CAS-BOT-BC112864  Eleocharis macrostachya John Thomas Howell 1939-8-27 15325 Marin Lake Lagunitas Comment
  CAS-BOT-BC112868  Eleocharis macrostachya John Thomas Howell 1944-4-23 19398 Marin San Rafel Comment
  CAS-BOT-BC113200  Eleocharis parishii John Thomas Howell 1965-10-13 41409 Marin John Thomas Howell Botanical Garden, Tiburon Comment
  CAS-BOT-BC114725  Cyperus difformis John Thomas Howell 1945-1-7 20771 Marin CCC Camp above Muir Woods, Mt. Tamalpais. Comment
  CAS-BOT-BC116894  Carex subbracteata var. subbracteata John Thomas Howell 1949-5-25 25336 Marin Sandy flats behind dunes, Pt. Reyes Peninsula. Comment
  CAS-BOT-BC116901  Carex subbracteata var. subbracteata John Thomas Howell; J. W. Stacey 1936-6-7 12654 Marin Sandy mesa of Point Reyes Peninsula. Comment
  CAS-BOT-BC116902  Carex subbracteata var. subbracteata John Thomas Howell; J. W. Stacey 1936-6-7 12655 Marin Sandy mesa of Point Reyes Peninsula. Comment
  CAS-BOT-BC116903  Carex subbracteata var. subbracteata John Thomas Howell; J. W. Stacey 1936-6-7 12652 Marin Pine woods on road to Point Reyes. Comment
  CAS-BOT-BC116936  Carex subbracteata John Thomas Howell 1949-5-25 25336 Marin Sandy Flats behind dunes at Pt. Reyes Peninsula. Comment
  CAS-BOT-BC118430  Carex praegracilis John Thomas Howell 1944-4-23 19404 Marin Edge of salt marsh, hills SE of Kentfield. Comment
  CAS-BOT-BC12794  Lepidium perfoliatum John Thomas Howell 1944-5-28 19512 Marin Between Manzanita and Almonte. Comment
  CAS-BOT-BC130017  Fritillaria affinis John Thomas Howell 1930-3-9 4551 Marin Point Reyes 152 Comment
  CAS-BOT-BC130020  Fritillaria affinis John Thomas Howell 1940-5-20 15496 Marin Pt. Reyes lighthouse Comment
  CAS-BOT-BC138322  Aira caryophyllea var. caryophyllea John Thomas Howell 1966-5-25 41539 Marin John Thomas Howell Botanical Garden, Tiburon. Gully just north of garden area. Comment
  CAS-BOT-BC143092  Potentilla anserina subsp. pacifica John Thomas Howell 1947-10-26 24198 Marin Rodeo Lagoon Comment
  CAS-BOT-BC145417  Brachypodium distachyon John Thomas Howell 1971-5-20 47604 Marin Curbside crevice at head of Dakin Lane, Landmarks Wild Flower Preserve, Tiburon. Comment
  CAS-BOT-BC146282  Arrhenatherum elatius var. elatius John Thomas Howell 1947-6-4 23224 Marin San Geronimo. Comment
  CAS-BOT-BC146631  Carex mendocinensis John Thomas Howell 1967-5-5 42168 Marin John Thomas Howell Botanical Garden, Tiburon Comment
  CAS-BOT-BC146633  Carex mendocinensis John Thomas Howell 1945-4-29 20789 Marin Camp Handy, Mt. Tamalpais Comment
  CAS-BOT-BC151938  Diplacus douglasii John Thomas Howell 1943-4-3 17892 Marin Tiburon Peninsula Comment
  CAS-BOT-BC151943  Diplacus douglasii John Thomas Howell; W. L. Jepson 1927-3-20 2292 Marin Mill Valley 152 Comment
  CAS-BOT-BC151946  Diplacus douglasii John Thomas Howell 1946-3-24 21587 Marin Carson country Comment
  CAS-BOT-BC156286  Bromus catharticus John Thomas Howell 1959-11-4 35108 Marin In west part of Frank Valley. Comment
  CAS-BOT-BC157407  Solanum umbelliferum J. T. Howell 1942-6-21 s.n. Marin San Anselmo Canyon, Mt. Tamalpais Comment
  CAS-BOT-BC157408  Solanum umbelliferum J. T. Howell 1945-4-29 20780 Marin Phoenix Lake Comment
  CAS-BOT-BC161852  Bromus rubens John Thomas Howell 1944-4-13 19386 Marin Big Rock Ridge west of Hamilton Field. Comment
  CAS-BOT-BC165076  Clarkia rubicunda John Thomas Howell 1946-6-23 s.n. Marin Near Fairfax Country Club (Meadow Club) Comment
  CAS-BOT-BC165086  Clarkia rubicunda John Thomas Howell 1946-6-30 22131 Marin Valley east of Rodeo Lagoon Comment
  CAS-BOT-BC172453  Clarkia purpurea subsp. purpurea John Thomas Howell 1947-7-6 23321 Marin Near Bootjack, Mt. Tamalpais Comment
  CAS-BOT-BC175354  Stellaria borealis subsp. sitchana John Thomas Howell 1944-6-4 19572 Marin Mt. Vision west of Inverness Comment
  CAS-BOT-BC175951  Solanum aviculare John Thomas Howell 1957-6-27 32778 Marin On roadside Steep Ravine, Mt. Tamalpais Comment
  CAS-BOT-BC175952  Salpichroa origanifolia John Thomas Howell 1943-6-13 18224 Marin Sausalito Comment
  CAS-BOT-BC175954  Salpichroa origanifolia John Thomas Howell 1944-9-16 20740 Marin Cascade Drive, Mill Valley Comment
  CAS-BOT-BC175955  Solanum lycopersicum John Thomas Howell 1967-9-6 43735 Marin NW. of Old St. Hilary's Church, Tiburon Comment
  CAS-BOT-BC177214  Amorpha californica var. napensis John Thomas Howell 1940-5-12 s.n. Marin Lagunitas Creek Canyon Comment
  CAS-BOT-BC178301  Astragalus gambelianus John Thomas Howell 1942-4-19 16942 Marin Big Carson Canyon near Warm Springs Comment
  CAS-BOT-BC178302  Astragalus gambelianus John Thomas Howell 1946-5-12 21807 Marin Carson Ridge Comment
  CAS-BOT-BC184798  Vulpia myuros subsp. megalura John Thomas Howell 1943-5-15 18089 Marin Tiburon Peninsula Comment
  CAS-BOT-BC184809  Vulpia myuros subsp. megalura John Thomas Howell 1943-6-6 18204 Marin Ridge se. of Muir Woods Comment
  CAS-BOT-BC184811  Vulpia myuros subsp. megalura John Thomas Howell 1948-5-16 24299 Marin Upper part of Cascade Canyon, Mt. Tamalpais Comment
  CAS-BOT-BC185022  Calamagrostis rubescens John Thomas Howell 1943-5-30 18184 Marin Mount Tamalpais. Above Summit Avenue. Comment
  CAS-BOT-BC185027  Calamagrostis rubescens John Thomas Howell 1945-7-22 21331 Marin Mount Tamalpais. Tenderfoot Trail. Comment
  CAS-BOT-BC185978  Vulpia myuros var. myuros John Thomas Howell 1943-5-9 17961 Marin San Rafael hills Comment
  CAS-BOT-BC197148  Echinochloa crus-galli John Thomas Howell 1959-10-18 35101 Marin Near Inverness Comment
  CAS-BOT-BC19892  Carex echinata subsp. phyllomanica John Thomas Howell 1939-5-28 s.n. Marin Sedum Swamp. Comment
  CAS-BOT-BC19893  Carex echinata subsp. phyllomanica John Thomas Howell 1949-5-25 25331 Marin Marsh near radio station, Pt. Reyes Peninsula. Comment
  CAS-BOT-BC20883  Carex globosa John Thomas Howell 1952-5-30 28318 Marin Potrero Meadow, Mt. Tamalpais. Comment
  CAS-BOT-BC20884  Carex globosa John Thomas Howell 1944-4-2 19368 A Marin Southeast of Laurle Del. Mt. Tamalpais. Comment
  CAS-BOT-BC20901  Carex globosa John Thomas Howell 1933-4-30 11193 Marin North side of Mt. Tamalpais. (above Phoenix Lake) Comment
  CAS-BOT-BC219429  Nemophila parviflora John Thomas Howell 1939-6-4 14709 Marin Lagunitas Comment
  CAS-BOT-BC219430  Nemophila parviflora John Thomas Howell 1939-4-23 14619 Marin Cascade Canyon, Mill Valley Comment
  CAS-BOT-BC220400  Monardella purpurea John Thomas Howell 1972-6-18 48867 Marin Near Ring Hill, Tiburon Peninsula 167 Comment
  CAS-BOT-BC220418  Monardella purpurea John Thomas Howell 1939-5-21 14689 Marin West side Tiburon Peninsula Comment
  CAS-BOT-BC22128  Carex harfordii John Thomas Howell 1937-6-13 13048 Marin Head of Drakes Bay, Point Reyes. Comment
  CAS-BOT-BC22131  Carex harfordii John Thomas Howell 1945-6-10 20944 Marin Potrero Meadow, Mt. Tamalpais. Comment
  CAS-BOT-BC22136  Carex harfordii John Thomas Howell 1949-5-25 25335 Marin Sandy flats behind dunes, Point Reyes Peninsula. Comment
  CAS-BOT-BC224495  Cuscuta californica John Thomas Howell 1944-9-3 20714 Marin Head of Cascade Canyon, Mt. Tamalpais Comment
  CAS-BOT-BC224498  Cuscuta californica John Thomas Howell 1967-5-24 42257 Marin Dakin Lane, just north of Old St. Hilary's Church, Tiburon Comment
  CAS-BOT-BC227996  Plagiobothrys John Thomas Howell 1962-6-10 37418 Marin Roadside NW of Olema Comment
  CAS-BOT-BC22902  Agoseris heterophylla John Thomas Howell 1946-6-2 s.n. Marin Potrero Meadows, Mt. Tamalpais Comment
  CAS-BOT-BC232714  Navarretia rosulata John Thomas Howell 1946-7-7 22191 Marin Mount Tamalpais. Burned area S of Barth's Retreat Comment
  CAS-BOT-BC233026  Polypogon interruptus John Thomas Howell 1945-6-12 20950 Marin Papermill Creek at highway spring Comment
  CAS-BOT-BC236910  Chloropyron maritimum subsp. palustre John Thomas Howell 1945-8-19 21430 Marin Salt marsh at hed of Drakes Bay Comment
  CAS-BOT-BC240192  Setaria viridis John Thomas Howell 1961-9-14 36707 Marin At head of Bolinas Lagoon Comment
  CAS-BOT-BC240193  Setaria viridis John Thomas Howell 1954-9-23 30110 Marin Milton H. Esberg place, Ross Comment
  CAS-BOT-BC253869  Panicum miliaceum John Thomas Howell 1989-8-31 s.n. Marin In the Community Garden at Nova Albion and Cermenho Court, Terra Linda, San Rafael Comment
  CAS-BOT-BC254417  Piptatherum miliaceum John Thomas Howell 1981-7-24 54413 Marin Near St. John's Church, Ross Comment
  CAS-BOT-BC254480  Dichanthelium acuminatum subsp. acuminatum John Thomas Howell 1945-6-24 21238 Marin Mount Tamalpais, Willow Meadows, Kent Trail Comment
  CAS-BOT-BC254489  Dichanthelium acuminatum subsp. acuminatum John Thomas Howell 1943-7-3 18247 Marin Near Bootjack, Mount Tamalpais Comment
  CAS-BOT-BC255116  Poa confinis John Thomas Howell; et al. 1980-6-19 s.n. Marin Back of the dunes, near Abbotts Lagoon, Point Reyes Peninsula Comment
  CAS-BOT-BC257625  Juncus J. T. Howell 1987-10-14 s.n. Marin Terra Linda Community Gardens Comment
  CAS-BOT-BC259185  Eriogonum latifolium John Thomas Howell 1966-5-25 41531 Marin John Thomas Howell Botanical Garden, Tiburon Comment
  CAS-BOT-BC259199  Eriogonum latifolium John Thomas Howell 1966-5-25 41532 Marin John Thomas Howell Botanical Garden, Tiburon Comment
  CAS-BOT-BC270541  Calycadenia multiglandulosa John Thomas Howell 1926-8-15 2181 Marin Corte Madera Ridge, Mount Tamalpais 152 Comment
  CAS-BOT-BC272083  Centaurea cyanus John Thomas Howell 1929-6-25 s.n. Marin Near Eastwood place, Mill Valley Comment
  CAS-BOT-BC272253  Leymus X multiflorus John Thomas Howell 1946-6-30 22143 Marin Rodeo Lagoon Comment
  CAS-BOT-BC272254  Leymus X multiflorus John Thomas Howell 1946-6-30 22148 Marin Rodeo Lagoon Comment
  CAS-BOT-BC273579  Leymus californicus John Thomas Howell 1958-6-28 33640 Marin Willow Meadow, Mt. Tamalpais Comment
  CAS-BOT-BC273983  Leptochloa fusca subsp. fascicularis John Thomas Howell 1970-9-8 47229 Marin West of Nicasio Dam on road to Point Reyes (town) Comment
  CAS-BOT-BC274571  Centaurea calcitrapa John Thomas Howell 1939-9-3 15342 Marin Near Novato Comment
  CAS-BOT-BC274574  Centaurea calcitrapa John Thomas Howell 1945-9-2 21448 Marin San Rafael Comment
  CAS-BOT-BC274575  Centaurea calcitrapa John Thomas Howell 1945-9-16 21479 Marin Near San Rafael Comment
  CAS-BOT-BC279229  Centromadia pungens subsp. pungens John Thomas Howell 1951-10-11 28294 Marin Olema Marshes Comment
  CAS-BOT-BC280463  Cirsium quercetorum John Thomas Howell 1940-5-12 15411 Marin San Geronimo Ridge Comment
  CAS-BOT-BC280753  Holcus lanatus John Thomas Howell 1947-5-14 23171 Marin Near Ledum Swamp, Pt. Reyes Peninsula Comment
  CAS-BOT-BC281331  Melica harfordii John Thomas Howell 1941-6-29 16327 Marin Near Camp Van Wyck, Mt Tamalpais Comment
  CAS-BOT-BC281720  Carduus pycnocephalus John Thomas Howell 1945-6-3 20917 Marin Near Inverness Comment
  CAS-BOT-BC281811  Carduus tenuiflorus John Thomas Howell 1946-6-13 22020 Marin Chileno Valley Comment
  CAS-BOT-BC281812  Carduus tenuiflorus John Thomas Howell 1939-6-18 14783 Marin Near Mud Lake Comment
  CAS-BOT-BC281896  Carthamus lanatus John Thomas Howell 1946-6-13 22040 Marin Between Chileno Valley and Aurora School Comment
  CAS-BOT-BC281897  Carthamus lanatus John Thomas Howell 1946-9-20 23020 Marin Chileno Valley Comment
  CAS-BOT-BC282150  Melica geyeri John Thomas Howell 1947-5-25 23195 Marin Berenstein Trail near Mount Theater, Mount Tamalpais Comment
  CAS-BOT-BC282628  Gastridium phleoides John Thomas Howell 1939-7-16 s.n. Marin Rock Spring, Mt. Tamalpais Comment
  CAS-BOT-BC283098  Schedonorus arundinaceus John Thomas Howell 1955-6-8 30300 Marin Along highway just east of Olema Comment
  CAS-BOT-BC283202  Lolium multiflorum John Thomas Howell 1939-4-23 s.n. Marin Blythedale Canyon, Mount Tamalpais Comment
  CAS-BOT-BC283446  Lolium multiflorum John Thomas Howell 1967-5-24 42253 Marin Dakin Lane, just N of Old St Hilary's Church, Tiburon Comment
  CAS-BOT-BC283519  Leymus X vancouverensis John Thomas Howell 1944-9-10 20732 Marin Near Inverness Comment
  CAS-BOT-BC283527  Leymus X vancouverensis John Thomas Howell 1945-6-3 20926 Marin Shell Beach Comment
  CAS-BOT-BC28386  Carex gracilior John Thomas Howell 1944-4-23 19403 Marin Edge of salt marsh, hills of Kentfield Comment
  CAS-BOT-BC284386  Cirsium arvense John Thomas Howell 1946-9-20 23022 Marin Petaluma Road east of Tomales Comment
  CAS-BOT-BC285925  Conyza bonariensis John Thomas Howell 1939-11-5 s.n. Marin Sausalito Comment
  CAS-BOT-BC286527  Cirsium occidentale var. venustum John Thomas Howell 1946-6-23 22118 Marin Head of Little Carson Canyon Comment
  CAS-BOT-BC286533  Cirsium occidentale var. venustum John Thomas Howell 1942-5-3 16954 Marin South side of Mt. Tamalpais above Summit Ave. ridge Comment
  CAS-BOT-BC288731  Cirsium remotifolium John Thomas Howell 1938-7-3 13942 Marin Near W end of Lucas Valley Comment
  CAS-BOT-BC288732  Cirsium remotifolium John Thomas Howell 1943-5-30 18180 Marin Summit Ave, Mill Valley, Mt Tamalpais Comment
  CAS-BOT-BC288734  Cirsium remotifolium John Thomas Howell 1941-6-8 16249 Marin Hills NE of San Raphael Comment
  CAS-BOT-BC288738  Cirsium remotifolium John Thomas Howell 1936-6-7 12631 Marin Whites Hill E of San Geronimo Comment
  CAS-BOT-BC288745  Cirsium remotifolium John Thomas Howell 1936-6-7 12631 A Marin White's Hill, E of San Geronimo Comment
  CAS-BOT-BC288748  Cirsium remotifolium John Thomas Howell 1938-7-3 13942 Marin Near W end of Lucas Valley Comment
  CAS-BOT-BC288750  Cirsium remotifolium John Thomas Howell 1938-7-3 13942 Marin Near W end of Lucas Valley Comment
  CAS-BOT-BC291496  Crepis capillaris John Thomas Howell 1944-7-9 19715 Marin South of Tomales Bay Comment
  CAS-BOT-BC291497  Crepis capillaris John Thomas Howell 1945-7-29 21338 Marin Bolinas Comment
  CAS-BOT-BC291498  Crepis capillaris John Thomas Howell 1957-7-22 32821 Marin Pt. Reyes Station Comment
  CAS-BOT-BC292098  Delairea odorata John Thomas Howell 1939-9-10 s.n. Marin Stinson Beach Comment
  CAS-BOT-BC29333  Ageratina adenophora J. T. Howell 1929-6-2 4293 Marin Hills above Lime Point Comment
  CAS-BOT-BC29524  Agoseris apargioides J. T. Howell 1930-4-20 4730 Marin On slope overlooking the ocean, Point Reyes Comment
  CAS-BOT-BC298300  Ericameria nauseosa var. speciosa John Thomas Howell 1946-9-8 22994 Marin Along Redwood Highway at St Vincent's Comment
  CAS-BOT-BC300241  Erigeron reductus var. angustatus John Thomas Howell 1972-6-18 48875 Marin Above Vista de la Bahia at north end of Tiburon Peninsula Comment
  CAS-BOT-BC301199  Eriophyllum lanatum var. arachnoideum John Thomas Howell 1927-5-8 2373 Marin North side of Mt. Tamalpais Comment
  CAS-BOT-BC30258  Brassica nigra John Thomas Howell 1943-6-6 18196 Marin Between Mill Valley and Muir Woods. Comment
  CAS-BOT-BC30260  Brassica nigra John Thomas Howell 1944-7-9 19723 Marin South of Tomales Bay. Comment
  CAS-BOT-BC303715  Glebionis segetum John Thomas Howell 1943-7-4 18277 Marin Inverness Comment
  CAS-BOT-BC304442  Grindelia hirsutula John Thomas Howell 1930-10-5 5524 Marin 2 miles west of Marin--Sonoma Co. line, at n. end of San Pablo Bay Comment
  CAS-BOT-BC304472  Grindelia hirsutula John Thomas Howell 1944-9-3 20717 Marin Bootjack, Mt. Tamalpais Comment
  CAS-BOT-BC306251  Hemizonia congesta subsp. lutescens John Thomas Howell 1945-9-16 21469 Marin San Rafael Comment
  CAS-BOT-BC306651  Helenium bigelovii John Thomas Howell 1946-5-30 21964 Marin West of Little Carson Falls Comment
  CAS-BOT-BC310221  Hesperevax sparsiflora var. sparsiflora John Thomas Howell 1930-4-20 4720 Marin 1 mile from Lagunitas on road to San Rafael Comment
  CAS-BOT-BC310222  Hesperevax sparsiflora var. sparsiflora John Thomas Howell 1966-4-6 41464 Marin John Thomas Howell Botanical Garden, Tiburon Comment
  CAS-BOT-BC311173  Heterotheca sessiliflora subsp. bolanderi John Thomas Howell 1939-5-21 s.n. Marin W. Tiburon Comment
  CAS-BOT-BC311175  Heterotheca sessiliflora subsp. bolanderi John Thomas Howell 1945-7-15 21304 Marin Near Meadow Club near Fairfax Comment
  CAS-BOT-BC312216  Eurybia radulina John Thomas Howell 1946-9-15 23003 Marin Near Potrero Meadows, Mt. Tamalpais Comment
  CAS-BOT-BC312217  Eurybia radulina John Thomas Howell 1946-9-15 23003 Marin Near Potrero Meadows, Mt. Tamalpais Comment
  CAS-BOT-BC312218  Eurybia radulina John Thomas Howell 1946-9-15 23002 Marin Near Potrero Meadows, Mt. Tamalpais Comment
  CAS-BOT-BC314436  Grindelia hirsutula John Thomas Howell 1946-6-20 22097 Marin Between Marin Beach and Stinson Beach Comment
  CAS-BOT-BC314441  Grindelia hirsutula John Thomas Howell 1945-7-29 21362 Marin Mouth of Rio Honda north of Bolinas Comment
  CAS-BOT-BC314472  Grindelia hirsutula John Thomas Howell 1933-7-23 11454 Marin Sausalito Hills Comment
  CAS-BOT-BC321789  Layia gaillardioides John Thomas Howell 1939-6-18 s.n. Marin Mud Lake Comment
  CAS-BOT-BC321792  Layia gaillardioides John Thomas Howell 1933-4-30 11192 Marin N side of Mt. Tamalpais above Phoenix Lake Comment
  CAS-BOT-BC321793  Layia gaillardioides John Thomas Howell 1942-5-17 16960 Marin Ridge above the cascades of San Anselmo Creek Comment
  CAS-BOT-BC322605  Micropus amphibolus John Thomas Howell 1943-5-2 17938 Marin Canyon of San Anselmo Creek above Fairfax Comment
  CAS-BOT-BC322731  Microseris paludosa John Thomas Howell 1944-5-14 19457 Marin Hills near Salmon Creek School Comment
  CAS-BOT-BC322734  Microseris paludosa John Thomas Howell 1927-4-23 2337 Marin Hilltop southwest of Mill Valley 152 Comment
  CAS-BOT-BC322735  Microseris paludosa John Thomas Howell 1925-4-5 910 Marin Mill Valley at the beginning of Pipeline Trail 152 Comment
  CAS-BOT-BC323962  Layia chrysanthemoides John Thomas Howell 1970-5-10 46523 Marin Meadow west of Rock Spring, Mt. Tamalpais Comment
  CAS-BOT-BC323979  Layia chrysanthemoides John Thomas Howell 1941-6-10 16307 Marin Summit between Lucas and Gallinas Valleys Comment
  CAS-BOT-BC324139  Lessingia hololeuca John Thomas Howell 1945-9-16 21485 Marin North of San Rafael Comment
  CAS-BOT-BC324157  Lessingia hololeuca John Thomas Howell 1933-10-8 11698 Marin 1.5 miles east of Forest Knolls Comment
  CAS-BOT-BC330490  Pentachaeta bellidiflora John Thomas Howell 1945-5-25 21933 Marin Woodland, Greenbrae Hills Comment
  CAS-BOT-BC331533  Acer macrophyllum John Thomas Howell 1946-9-8 23000 Marin Lagunitas Creek just below Lake Lagunitas. Mt. Tamalpais Comment
  CAS-BOT-BC339976  Stebbinsoseris decipiens John Thomas Howell 1946-6-20 22098 Marin South of Stinson Beach Comment
  CAS-BOT-BC339977  Stebbinsoseris decipiens John Thomas Howell 1946-6-20 22098 Marin South of Stinson Beach Comment
  CAS-BOT-BC340180  Jaumea carnosa John Thomas Howell 1930-10-5 5527 Marin 2 miles west of Marin--Sonoma Co. line Comment
  CAS-BOT-BC340453  Lactuca saligna John Thomas Howell 1966-4-18 41494 Marin John Thomas Howell Botanical Garden, Tiburon Comment
  CAS-BOT-BC340454  Lactuca saligna John Thomas Howell 1943-9-25 19324 Marin In southern part of Mill Valley 7 Comment
  CAS-BOT-BC342070  Leucanthemum maximum John Thomas Howell 1944-9-24 20763 Marin West side of Bolinas Lagoon Comment
  CAS-BOT-BC342403  Logfia gallica John Thomas Howell 1929-6-2 4284 Marin Hills at Fort Baker Comment
  CAS-BOT-BC343603  Madia sativa John Thomas Howell 1939-9-3 s.n. Marin Corte Madera, Mt. Tamalpais Comment
  CAS-BOT-BC343619  Madia sativa John Thomas Howell 1939-6-25 s.n. Marin Mill Valley to Eastwood Comment
  CAS-BOT-BC34389  Carex cusickii John Thomas Howell 1949-5-25 25330 Marin Marsh near radio station, Pt. Reyes Peninsula. Comment
  CAS-BOT-BC344388  Madia exigua John Thomas Howell 1927-5-8 2378 Marin East slope of Mt. Tamalpais Comment
  CAS-BOT-BC348502  Micropus californicus var. californicus John Thomas Howell 1943-5-2 s.n. Marin San Anselmo Creek canyon Comment
  CAS-BOT-BC348744  Microseris bigelovii John Thomas Howell 1947-4-23 23070 Marin Drakes Estero west of Mt. Vision Comment
  CAS-BOT-BC348746  Microseris bigelovii John Thomas Howell 1947-4-23 23061 Marin Drakes Estero west of Mt. Vision Comment
  CAS-BOT-BC348748  Microseris bigelovii John Thomas Howell 1947-4-23 23070 Marin Drakes Estero west of Mt. Vision Comment
  CAS-BOT-BC35010  Carex densa John Thomas Howell 1944-4-8 s.n. Marin Tiburon. Comment
  CAS-BOT-BC35013  Carex densa John Thomas Howell; J. W. Stacey 1936-6-7 12637 Marin Olema. Comment
  CAS-BOT-BC356735  Pseudognaphalium californicum John Thomas Howell 1966-6-9 s.n. Marin John Thomas Howell Botanical Garden, Tiburon. Along road se. of church Comment
  CAS-BOT-BC357049  Pseudognaphalium luteoalbum John Thomas Howell 1988-9-15 s.n. Marin Nicesio [Nicasio] Reservoir Comment
  CAS-BOT-BC357051  Pseudognaphalium luteoalbum John Thomas Howell 1943-5-9 17948 Marin San Rafael Comment
  CAS-BOT-BC361946  Psilocarphus tenellus John Thomas Howell 1929-6-2 4295 Marin Along road near Fort Barry Comment
  CAS-BOT-BC362911  Rigiopappus leptocladus John Thomas Howell 1969-5-5 45575 Marin North of Ring Hill, Tiburon Peninsula Comment
  CAS-BOT-BC365046  Solidago velutina subsp. californica John Thomas Howell 1947-6-18 23253 Marin Chileno Valley Comment
  CAS-BOT-BC365853  Soliva sessilis John Thomas Howell 1967-5-5 42163 Marin John Thomas Howell Botanical Garden, Tiburon Comment
  CAS-BOT-BC365855  Soliva sessilis John Thomas Howell 1973-5-9 s.n. Marin Marin Art & Garden Center, Ross Comment
  CAS-BOT-BC365856  Soliva sessilis John Thomas Howell 1967-4-16 42064 Marin Along Matt Davis Trail, Fern Canyon, Mt. Tamalpais Comment
  CAS-BOT-BC365857  Soliva sessilis John Thomas Howell 1969-4-27 45559 Marin Nicassio Comment
  CAS-BOT-BC365861  Soliva sessilis John Thomas Howell 1943-6-13 18231 Marin Sausalito hills Comment
  CAS-BOT-BC365863  Soliva sessilis John Thomas Howell 1967-6-8 s.n. Marin Near school on road to lighthouse, Pt. Reyes Peninsula Comment
  CAS-BOT-BC365864  Soliva sessilis John Thomas Howell 1967-6-8 s.n. Marin Inverness Comment
  CAS-BOT-BC365866  Soliva sessilis John Thomas Howell 1967-6-8 42548 Marin Pt. Reyes Comment
  CAS-BOT-BC36856  Cakile edentula var. edentula John Thomas Howell 1926-11-21 2256 Marin Bolinas. Comment
  CAS-BOT-BC36925  Cakile maritima var. maritima John Thomas Howell 1943-10-3 19333 Marin Muir Beach. Comment
  CAS-BOT-BC372297  Layia platyglossa John Thomas Howell 1930-4-20 4726 Marin Pt. Reyes Peninsula, 5 miles from Iverness Comment
  CAS-BOT-BC372298  Layia platyglossa John Thomas Howell 1966-4-18 41490 Marin Tiburon Comment
  CAS-BOT-BC374450  Sonchus asper John Thomas Howell 1939-4-23 s.n. Marin Blithedale Canyon, Mt. Tamalpais Comment
  CAS-BOT-BC374631  Sonchus oleraceus John Thomas Howell 1945-7-8 21281 Marin Burdell Comment
  CAS-BOT-BC374632  Sonchus oleraceus John Thomas Howell 1945-9-16 21471 Marin San Rafael Comment
  CAS-BOT-BC375219  Stephanomeria elata John Thomas Howell 1944-9-3 20718 Marin West of Bootjack, Mt. Tamalpais Comment
  CAS-BOT-BC375224  Stephanomeria elata John Thomas Howell 1944-9-3 20715 Marin Matt Davis Trail east of Bootjack, Mt. Tamalpais Comment
  CAS-BOT-BC375226  Stephanomeria elata John Thomas Howell 1945-10-28 21552 Marin Along road, s. end of Bolinas Ridge, Mt. Tamalpais Comment
  CAS-BOT-BC375309  Stephanomeria exigua subsp. coronaria John Thomas Howell 1945-7-15 21296 Marin Fairfax hills Comment
  CAS-BOT-BC375824  Stephanomeria virgata John Thomas Howell 1946-9-22 23029 Marin Bald Mt. Comment
  CAS-BOT-BC375826  Stephanomeria virgata John Thomas Howell 1946-3-24 21568 Marin Fairfax Hills Comment
  CAS-BOT-BC376943  Taraxacum officinale John Thomas Howell 1945-10-28 s.n. Marin Bolinas Lagoon Comment
  CAS-BOT-BC378740  Ranunculus californicus var. cuneatus John Thomas Howell 1940-5-20 15501 Marin Pt. Reyes Comment
  CAS-BOT-BC379005  Ranunculus aquatilis var. diffusus John Thomas Howell 1946-5-4 21744 Marin Dillons Beach Comment
  CAS-BOT-BC383719  Xanthium strumarium John Thomas Howell 1947-10-19 24190 Marin Strand of Alpine Lake Comment
  CAS-BOT-BC384005  Mirabilis jalapa John Thomas Howell 1969-6-30 45865 Marin Bordering estuary of San Rafael Creek at Irwin St. bridge, San Rafael Comment
  CAS-BOT-BC384489  Silene antirrhina John Thomas Howell 1942-7-5 17011 Marin Matt Davis Trail, Mt. Tamalpais Comment
  CAS-BOT-BC385047  Vitis californica John Thomas Howell 1939-9-3 s.n. Marin At Ignacio Comment
  CAS-BOT-BC385082  Vitis vinifera John Thomas Howell 1988-9-7 s.n. Marin Vallecitos School, Terra Linda Comment
  CAS-BOT-BC388309  Cerastium glomeratum John Thomas Howell 1946-4-13 s.n. Marin Near Rock Spring, Mt. Tamalpais Comment
  CAS-BOT-BC388311  Cerastium glomeratum John Thomas Howell 1946-4-18 s.n. Marin Ignacio Comment
  CAS-BOT-BC388313  Cerastium glomeratum John Thomas Howell 1959-11-4 35116 Marin Just north of Point Reyes (town) Comment
  CAS-BOT-BC388683  Minuartia douglasii John Thomas Howell 1927-4-23 2342 Marin Along Muir Woods - Mill Valley road, 1 1/2 miles from Muir Woods 228 Comment
  CAS-BOT-BC390149  Spergularia bocconi John Thomas Howell 1946-5-16 21880 Marin Angel Island, s. side Comment
  CAS-BOT-BC390151  Spergularia bocconi John Thomas Howell 1966-6-9 41555 Marin John Thomas Howell Botanical Garden, Tiburon. Se. corner of garden Comment
  CAS-BOT-BC390540  Spergularia media John Thomas Howell 1944-4-23 19397 Marin Escalle Comment
  CAS-BOT-BC390815  Spergularia marina John Thomas Howell 1939-5-7 14639 Marin Sausalito Comment
  CAS-BOT-BC390820  Spergularia marina John Thomas Howell 1944-7-9 19712 Marin South end of Tomales Bay Comment
  CAS-BOT-BC391006  Spergularia villosa John Thomas Howell 1944-6-25 19643 Marin Santa Venetia 7 Comment
  CAS-BOT-BC391007  Spergularia villosa John Thomas Howell 1944-6-25 19643 Marin Santa Venetia 7 Comment
  CAS-BOT-BC391008  Spergularia villosa John Thomas Howell 1946-5-16 21894 Marin Angel Island, n. side Comment
  CAS-BOT-BC391010  Spergularia villosa John Thomas Howell 1941-6-10 16276 Marin Near Black Point Comment
  CAS-BOT-BC400877  Hypericum anagalloides John Thomas Howell 1939-7-2 14817 Marin Elk Valley Comment
  CAS-BOT-BC401243  Hypericum perforatum John Thomas Howell 1939-7-2 14843 Marin Just south of Muir Woods Comment
  CAS-BOT-BC403947  Urtica dioica subsp. gracilis John Thomas Howell 1943-10-3 19335 Marin Canyon just below Muir Woods Comment
  CAS-BOT-BC404150  Urtica dioica subsp. holosericea John Thomas Howell 1946-5-16 21898 Marin Angel Island, east side Comment
  CAS-BOT-BC410248  Hypericum concinnum John Thomas Howell 1946-7-7 22200 Marin West of Potrero Meadow; Mt. Tamalpais Comment
  CAS-BOT-BC414009  Polygonum aviculare subsp. aviculare John Thomas Howell 1945-7-15 21291 Marin Fairfax Comment
  CAS-BOT-BC414011  Polygonum aviculare subsp. aviculare John Thomas Howell 1939-6-25 14812 Marin Cascade Canyon, Mill Valley Comment
  CAS-BOT-BC419019  Persicaria lapathifolia John Thomas Howell 1959-11-4 s.n. Marin Stinson Beach Comment
  CAS-BOT-BC419211  Persicaria maculosa John Thomas Howell 1941-6-10 16279 Marin Near Black Point Comment
  CAS-BOT-BC419212  Persicaria maculosa John Thomas Howell 1947-7-4 s.n. Marin Near Inverness Comment
  CAS-BOT-BC419342  Persicaria punctata John Thomas Howell 1942-8-30 s.n. Marin Muir Beach Comment
  CAS-BOT-BC419343  Persicaria punctata John Thomas Howell 1924-8-31 643 Marin Near Ross Comment
  CAS-BOT-BC420981  Polygonum spergulariiforme John Thomas Howell 1946-9-20 23021 Marin East of Dillons Beach Comment
  CAS-BOT-BC421529  Rumex crassus John Thomas Howell 1945-10-28 s.n. Marin Bolinas Lagoon Comment
  CAS-BOT-BC421766  Rumex conglomeratus John Thomas Howell 1939-9-10 s.n. Marin Stinson Beach Comment
  CAS-BOT-BC421767  Rumex conglomeratus John Thomas Howell 1939-5-14 s.n. Marin Ross Comment
  CAS-BOT-BC424194  Heuchera micrantha var. hartwegii John Thomas Howell 1944-6-5 s.n. Marin Inverness Ridge Comment
  CAS-BOT-BC427587  Crassula aquatica John Thomas Howell 1945-5-9 20857 Marin Near Hamilton Field Comment
  CAS-BOT-BC428127  Dudleya cymosa subsp. cymosa John Thomas Howell 1939-8-27 15323 Marin Fish Grade between Phoenix Lake and Lake Lagunitas Comment
  CAS-BOT-BC433256  Rumex crispus John Thomas Howell 1959-9-10 34609 Marin Bolinas Comment
  CAS-BOT-BC433453  Rumex crispus John Thomas Howell 1953-7-2 29104 Marin Tamalpais Valley Comment
  CAS-BOT-BC433456  Rumex crispus John Thomas Howell 1945-5-20 20875 Marin Tiburon Comment
  CAS-BOT-BC433664  Rumex obtusifolius John Thomas Howell 1943-7-4 18278 Marin Inverness Comment
  CAS-BOT-BC433666  Rumex obtusifolius John Thomas Howell 1943-7-4 18278 Marin Inverness Comment
  CAS-BOT-BC433667  Rumex obtusifolius John Thomas Howell 1940-9-15 s.n. Marin Stinson Beach Comment
  CAS-BOT-BC433717  Rumex occidentalis John Thomas Howell 1946-6-30 22126 Marin East of Rodeo Lagoon Comment
  CAS-BOT-BC433932  Rumex salicifolius John Thomas Howell 1944-6-28 19635 Marin San Rafael Comment
  CAS-BOT-BC433936  Rumex salicifolius John Thomas Howell 1945-6-24 21233 Marin Brookside, Rock Spring to Laurel Dell, Mt. Tamalpais Comment
  CAS-BOT-BC434103  Rumex transitorius John Thomas Howell 1939-8-27 15304 Marin Ross Comment
  CAS-BOT-BC434105  Rumex transitorius John Thomas Howell 1943-5-30 18178 Marin Summit Ave., Mill Valley Comment
  CAS-BOT-BC434107  Rumex transitorius John Thomas Howell 1941-6-10 16303 Marin 9 mi. w. of Novato Comment
  CAS-BOT-BC434110  Rumex transitorius John Thomas Howell 1946-7-7 22204 Marin Potrero Meadow, Mt. Tamalpais Comment
  CAS-BOT-BC435172  Cypselea humifusa John Thomas Howell 1947-10-19 24184 Marin Strand of Alpine Lake Comment
  CAS-BOT-BC435174  Cypselea humifusa J. T. Howell 1939-10-15 s.n. Marin Alpine Lake. Comment
  CAS-BOT-BC435176  Cypselea humifusa John Thomas Howell 1939-8-27 15327 Marin Lake Lagunitas Comment
  CAS-BOT-BC436400  Calystegia occidentalis subsp. occidentalis John Thomas Howell 1946-6-20 23138 Marin Sausalito Comment
  CAS-BOT-BC441149  Tellima grandiflora John Thomas Howell 1927-4-23 2348 Marin In a small canon just to the east of Muir Woods 121 Comment
  CAS-BOT-BC443587  Claytonia perfoliata subsp. perfoliata John Thomas Howell 1966-4-18 41495 Marin John Thomas Howell Botanical Garden, Tiburon Comment
  CAS-BOT-BC443588  Claytonia perfoliata subsp. perfoliata John Thomas Howell 1966-4-6 41472 Marin John Thomas Howell Botanical Garden, Tiburon Comment
  CAS-BOT-BC443590  Claytonia perfoliata subsp. perfoliata John Thomas Howell 1933-4-30 11184 Marin Ross Valley Comment
  CAS-BOT-BC444904  Montia fontana John Thomas Howell 1944-3-26 s.n. Marin Sedum Swamp, Mt. Reyes Peninsula Comment
  CAS-BOT-BC444905  Montia fontana John Thomas Howell 1943-3-14 17890 Marin Potrero Meadows, Mt. Tamalpais Comment
  CAS-BOT-BC444988  Montia fontana John Thomas Howell 1949-4-6 25295 Marin Hamilton Field Comment
  CAS-BOT-BC445386  Alisma plantago-aquatica John Thomas Howell 1944-7-9 19718 Marin South of Tomales Bay Comment
  CAS-BOT-BC445387  Alisma plantago-aquatica John Thomas Howell 1944-6-25 19652 Marin Santa Venetia Comment
  CAS-BOT-BC445388  Alisma plantago-aquatica John Thomas Howell 1945-5-9 20836 Marin Between Hamilton Field and Ignacio Comment
  CAS-BOT-BC445440  Alisma triviale John Thomas Howell 1980-9-8 53890 Marin Between Lake Lagunitas picnic area and Bon Tempe Lake Comment
  CAS-BOT-BC45020  Ambrosia psilostachya John Thomas Howell 1926-9-9 2189 Marin San Rafael Comment
  CAS-BOT-BC451167  Aphanes John Thomas Howell 1946-3-24 21583 Marin Burned area, Carson country Comment
  CAS-BOT-BC451852  Triglochin maritima John Thomas Howell 1945-6-30 21256 Marin Marsh bordering Bolinas Lagoon, Stinson Beach Comment
  CAS-BOT-BC451856  Triglochin maritima John Thomas Howell 1957-9-15 32950 Marin Marsh bordering Richardson Bay Comment
  CAS-BOT-BC453859  Potamogeton nodosus John Thomas Howell 1947-6-18 23256 Marin Chileno Valley Comment
  CAS-BOT-BC453860  Potamogeton nodosus John Thomas Howell 1946-5-4 21745 Marin Dillons Beach Comment
  CAS-BOT-BC453957  Potamogeton pectinatus John Thomas Howell 1939-8-27 15318 Marin Phoenix Lake Comment
  CAS-BOT-BC454165  Ruppia maritima John Thomas Howell 1933-7-30 11469 Marin Head of Tomales Bay Comment
  CAS-BOT-BC454192  Zostera pacifica John Thomas Howell 1947-6-18 23274 Marin Dillons Beach Comment
  CAS-BOT-BC457535  Aphanes occidentalis John Thomas Howell 1966-4-6 41461 Marin John Thomas Howell Botanical Garden, Tiburon Comment
  CAS-BOT-BC460615  Pyrola aphylla John Thomas Howell 1940-5-12 15422 Marin Lagunitas Creek Comment
  CAS-BOT-BC460616  Pyrola aphylla John Thomas Howell 1940-5-12 15410 Marin Woods south of Lagunitas Comment
  CAS-BOT-BC460758  Allium amplectens John Thomas Howell 1942-7-12 17036 Marin Northside Trail, Mt. Tamalpais Comment
  CAS-BOT-BC460761  Allium amplectens John Thomas Howell 1946-5-12 21816 Marin Carson Country Comment
  CAS-BOT-BC472779  Allium neapolitanum John Thomas Howell 1958-4-11 33015 Marin San Rafael Comment
  CAS-BOT-BC475484  Allium triquetrum John Thomas Howell 1950-4-23 26309 Marin Along Summit Ave, Mill Valley Comment
  CAS-BOT-BC484229  Brodiaea elegans subsp. elegans John Thomas Howell 1966-6-9 s.n. Marin John Thomas Howell Botanical Garden, Tiburon Comment
  CAS-BOT-BC484616  Brodiaea terrestris subsp. terrestris John Thomas Howell 1944-6-4 19574 Marin Inverness Ridge west of Inverness Comment
  CAS-BOT-BC484617  Brodiaea terrestris subsp. terrestris John Thomas Howell 1941-6-10 16296 Marin 9 mi. w. of Novato Comment
  CAS-BOT-BC497690  Chlorogalum pomeridianum John Thomas Howell 1966-7-20 41985 Marin John Thomas Howell Botanical Garden, Tiburon Comment
  CAS-BOT-BC499178  Kopsiopsis hookeri John Thomas Howell 1958-5-18 s.n. Marin At West Point, Mt. Tamalpais Comment
  CAS-BOT-BC499675  Orobanche californica subsp. californica John Thomas Howell 1939-7-2 s.n. Marin Big Lagoon (Muir Beach) Comment
  CAS-BOT-BC499916  Orobanche fasciculata John Thomas Howell 1939-5-21 s.n. Marin Tiburon Peninsula (south end) Comment
  CAS-BOT-BC499917  Orobanche fasciculata John Thomas Howell 1945-5-27 20886 Marin Mt. Tamalpais, Rock Spring Trail Comment
  CAS-BOT-BC500277  Orobanche uniflora subsp. occidentalis John Thomas Howell 1943-4-11 17909 Marin San Rafael HIlls: Bkack Canyon Comment
  CAS-BOT-BC511478  Maianthemum racemosum subsp. amplexicaule John Thomas Howell 1927-9-9 3090 Marin Redwood, Mill Valley 45 Comment
  CAS-BOT-BC516212  Calystegia purpurata subsp. purpurata John Thomas Howell 1947-5-8 23140 Marin Sausalito Comment
  CAS-BOT-BC516325  Prosartes hookeri John Thomas Howell 1925-4-5 952 Marin Pipeline Trail Comment
  CAS-BOT-BC526097  Triteleia laxa John Thomas Howell 1947-6-18 23280 Marin North of Dillon Beach Comment
  CAS-BOT-BC527089  Xerophyllum tenax John Thomas Howell 1947-5-25 23201 Marin Kent Trail near Willow Meadow, Mt. Tamalpais Comment
  CAS-BOT-BC527395  Zigadenus fontanus John Thomas Howell 1966-7-20 41983 Marin John Thomas Howell Botanical Garden, Tiburon Comment
  CAS-BOT-BC527402  Triteleia peduncularis John Thomas Howell 1966-7-20 41986 Marin John Thomas Howell Botanical Garden, Tiburon Comment
  CAS-BOT-BC527405  Triteleia peduncularis John Thomas Howell 1937-7-4 13090 Marin Tiburon Comment
  CAS-BOT-BC530473  Zigadenus fontanus John Thomas Howell 1966-7-20 41984 Marin John Thomas Howell Botanical Garden, Tiburon Comment
  CAS-BOT-BC530474  Zigadenus fontanus John Thomas Howell 1936-6-7 12656 Marin Mount Tamalpais, near Boot Jack Comment
  CAS-BOT-BC530475  Zigadenus fontanus John Thomas Howell 1942-6-21 17000 Marin Warm Spring, Big Carson Comment
  CAS-BOT-BC530476  Zigadenus fontanus John Thomas Howell 1937-7-4 13085 Marin Tiburon Comment
  CAS-BOT-BC530477  Zigadenus fontanus John Thomas Howell 1940-5-26 15532 Marin Little Carson Falls Comment
  CAS-BOT-BC531914  Zigadenus fremontii John Thomas Howell 1945-7-8 s. n. Marin Upper part of salt marsh near San Antonio station Comment
  CAS-BOT-BC534877  Lemna valdiviana J. T. Howell 1943-6-13 s.n. Marin Sausalito Comment
  CAS-BOT-BC534878  Lemna valdiviana John Thomas Howell 1939-7-16 s.n. Marin Azalea Flat, Matt Davis Trail, Mt. Tamalpais Comment
  CAS-BOT-BC536639  Horkelia californica John Thomas Howell 1930-6-22 5323 Marin Rodeo Lagoon Comment
  CAS-BOT-BC536640  Horkelia californica John Thomas Howell 1930-6-22 5323 Marin Rodeo Lagoon Comment
  CAS-BOT-BC537076  Lemna minor John Thomas Howell 1945-10-28 21551 Marin Stinson Beach Comment
  CAS-BOT-BC537077  Lemna minor John Thomas Howell 1944-9-24 20748 Marin Stinson Beach Comment
  CAS-BOT-BC537078  Lemna minor John Thomas Howell 1946-8-23 22900 Marin Olema Marshes Comment
  CAS-BOT-BC540140  Malus pumila John Thomas Howell 1950-11-4 35106 Marin Single roadside seedling, Frank Valley Comment
  CAS-BOT-BC55365  Hirschfeldia incana John Thomas Howell 1939-5-14 14687 Marin Mill Valley station. Comment
  CAS-BOT-BC57545  Equisetum telmateia John Thomas Howell 1945-4-29 20779 Marin Phoenix Lake Comment
  CAS-BOT-BC57909  Equisetum arvense John Thomas Howell 1947-4-2 23051 Marin Locust Ave., Mill Valley. Comment
  CAS-BOT-BC57912  Equisetum arvense John Thomas Howell 1945-5-20 20876 Marin Tiburon. Comment
  CAS-BOT-BC60261  Lunaria annua John Thomas Howell 1926-2-21 1638 Marin Inverness. Comment
  CAS-BOT-BC65795  Aspidotis californica John Thomas Howell 1943-1-1 17875 Marin Mt. Tamalpais Comment
  CAS-BOT-BC66350  Cheilanthes covillei John Thomas Howell 1959-8-23 34598 Marin nw. of Bootjack, Mt. Tamalpais Comment
  CAS-BOT-BC68121  Athyrium filix-femina subsp. cyclosorum John Thomas Howell 1957-7-22 32819 Marin Pt. Reyes Peninsula near Drakes Bay Comment
  CAS-BOT-BC69747  Selaginella wallacei John Thomas Howell 1939-7-2 s.n. Marin On top of ridge e. of Muir Woods. Comment
  CAS-BOT-BC69877  Isoetes nuttallii John Thomas Howell 1946-3-24 21588 Marin S. of Little Carson. Comment
  CAS-BOT-BC69878  Isoetes nuttallii John Thomas Howell 1947-5-25 23203 Marin Mt. Tamalpais. Comment
  CAS-BOT-BC72426  Polystichum munitum John Thomas Howell 1948-5-22 24309 Marin Camp Tucker, Mt. Tamalpais Comment
  CAS-BOT-BC74284  Raphanus sativus John Thomas Howell 1966-5-25 41541 Marin Tiburon. John Thomas Howell Botanical Garden. Just north of garden area. Comment
  CAS-BOT-BC74378  Rorippa curvipes John Thomas Howell 1946-9-8 s.n. Marin Mount Tamalpais. Strand of Lake Lagunitas. Comment
  CAS-BOT-BC74545  Rorippa curvisiliqua John Thomas Howell 1947-4-27 23077 Marin Bald Mountain west of San Anselmo. Comment
  CAS-BOT-BC75033  Sisymbrium altissimum John Thomas Howell 1945-5-9 20846 Marin Ignacio. Comment
  CAS-BOT-BC75320  Sisymbrium officinale John Thomas Howell 1967-5-5 42164 Marin Johnt Thomas Howell Botanical Garden, Tiburon. Parking area. Comment
  CAS-BOT-BC76853  Polypodium calirhiza John Thomas Howell 1947-3-23 23046 Marin Mt. Tamalpais - Cataract Gulch Comment
  CAS-BOT-BC76974  Pilularia americana John Thomas Howell 1949-7-7 25359 Marin Strand of Lake Lagunitas SE of dam. Comment
  CAS-BOT-BC83517  Carex densa John Thomas Howell 1986-4-23 s.n. Marin San Rafael. Nova Albion Way near Golden Hinde Blvd.. Above Sears. Comment
  CAS-BOT-BC85812  Sequoia sempervirens John Thomas Howell 1957-2-3 32020 Marin Fern Canyon, Mt. Tamalpais Comment
  CAS-BOT-BC87279  Streptanthus glandulosus subsp. secundus John Thomas Howell 1944-5-21 19488 Marin Mount Tamalpais. South side of Phoenix Lake. Comment
  CAS-BOT-BC88485  Thysanocarpus curvipes John Thomas Howell 1946-5-19 12913 Marin Meadows Club, Fairfax Hills. Comment
  CAS-BOT-BC88486  Thysanocarpus curvipes John Thomas Howell 1946-5-26 21946 Marin South end of Black Mountain. Comment
  CAS-BOT-BC89086  Lepidium didymum John Thomas Howell 1940-5-20 s.n. Marin Point Reyes Lighthouse. Comment
  CAS-BOT-BC89171  Lepidium draba John Thomas Howell 1945-9-16 21487 Marin Along road north of San Rafael. Comment
  CAS-BOT-BC9620  Delphinium californicum John Thomas Howell 1945-8-19 s.n. Marin W. of Sedum Swamp Comment
  CAS-BOT-BC99133  Symphyotrichum chilense John Thomas Howell 1933-10-8 11700 Marin 1 mile east of Forest Knolls Comment
  CAS-BOT-BC99137  Symphyotrichum chilense John Thomas Howell 1943-9-5 19318 Marin Mill Valley salt marshes Comment
  CAS-BOT-BC99138  Symphyotrichum chilense John Thomas Howell 1965-10-13 41411 Marin John Thomas Howell Botanical Garden, Tiburon, only in eastern seepages Comment
  CDA3627  Barbarea verna J. T. Howell 1975-6-29 51325 Marin Goodhill Road at Diablo, Kentfield. 0 Comment
  CDA3817  Lepidium pinnatifidum J. T. Howell 1976-6-2 51804 Marin Corte Madera. 0 Comment
  CDA39973  Dichondra donelliana J. T. Howell 1970-5-1 46524 Marin West of Rock Spring at south end of Bolinas Ridge, Mt. Tamalpais. 0 Comment
  CDA40347  Phacelia californica J. T. Howell 1938-6-5 13894 Marin Mt. Tamalpais, between Fern Canyon and Azalea Flat. 0 Comment
  CDA4164  Lathyrus tingitanus J. T. Howell 1945-7-1 21260 Marin Tiburon. 0 Comment
  CDA4361  Erodium botrys J. T. Howell 1947-4-13 23058 Marin Tiburon Peninsula. 0 Comment
  CDA4653  Geranium potentilloides J. T. Howell 1969-4-2 45514 Marin Point Reyes National Seashore, Meadow Trail to Mt. Wittenberg. 0 Comment
  CDA4999  Lavatera cretica J. T. Howell 1976-6-2 51805 Marin Corte Madera. 0 Comment
  CDA5388  Torilis arvensis subsp. purpurea J. T. Howell 1976-6-2 51808 Marin Larkspur. 0 Comment
  CDA62  Cakile maritima J. T. Howell 1943-10-3 19333 Marin Muir Beach. Comment
  CDA7530  Leontodon taraxacoides subsp. taraxacoides J. T. Howell 1945-7-29 21333 Marin Bolinas. 0 Comment
  CDA8132  Layia chrysanthemoides J. T. Howell 1970-5-1 46523 Marin West of Rock Spring, Mt. Tamalpais. 0 Comment
  JEPS58877  Heterocodon rariflorum John Thomas Howell 1946-6-2 21974 Marin Rocky Ridge Fire Trail Mt. Tamalpais (Mt. Tamalpais) Comment
  JEPS62613  Layia chrysanthemoides John Thomas Howell 1970-5-10 46523 Marin w Rock Spring; Mt. Tamalpais Comment
  LA203943  Heterotheca sessiliflora subsp. bolanderi John Thomas Howell; 1933-7-30 11465 Marin 1 mi. E of Forest Knolls Comment
  LA208423  Galium californicum subsp. flaccidum John Thomas Howell; 1930-7-20 5381 Marin Shaded slope just S of Phoenix Lake, Marin Co Comment
  NY20768  Torreya californica J. T. Howell 1948-5-16 24303 Marin This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  NY20771  Torreya californica J. T. Howell 1948-5-16 24304 Marin This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  POM180640  Navarretia squarrosa J. T. Howell 1930-7-20 5379 Marin Hills just north of Pheonix Lake. Comment
  POM183383  Grindelia stricta var. angustifolia J. T. Howell 1930-10-5 5524 Marin N end of San Pablo Bay, 2 miles W of Marin-Sonoma County line. Comment
  POM193967  Orthocarpus faucibarbatus var. albidus J. T. Howell 1930-4-20 4719 Marin 1 mile east of Lagunitas. Comment
  POM194215  Sanicula laciniata J. T. Howell 1927-3-20 2290 Marin Cote Madera Ridge 305 Comment
  POM196443  Luzula comosa J. T. Howell 1927-3-13 2285 Marin Point San Quentin. Comment
  POM196452  Madia exigua J. T. Howell 1927-5-8 2378 Marin East slope of Mt. Tamalpais Comment
  POM196463  Lathyrus vestitus subsp. vestitus J. T. Howell 1925-1-18 730 Marin Near San Rafael. Comment
  POM203147  Atriplex leucophylla J. T. Howell 1933-10-8 11706 Marin Pt. Reyes Peninsula Comment
  POM203914  Vulpia microstachys var. pauciflora J. T. Howell 1933-4-30 11194 Marin North side of Mt. Tamalpais. Comment
  POM203971  Eryngium armatum J. T. Howell 1933-7-30 11466 Marin 1.5 miles north of Olema Comment
  POM248723  Centaurium muehlenbergii J. T. Howell 1938-7-3 13944 Marin At head of Lucas Valley. Comment
  POM259272  Plantago truncata subsp. firma J. T. Howell 1940-4-14 15396 Marin San Anselmo Creek Canyon. Comment
  POM273074  Triglochin maritima J. T. Howell 1945-6-30 21256 Marin Salt marsh bordering Bolinas Lagoon, Stinson Beach Comment
  POM273087  Leontodon nudicaulis J. T. Howell 1945-7-29 21333 Marin Bolinas. Comment
  POM273112  Anthoxanthum aristatum J. T. Howell 1945-5-9 20856 Marin between Hamilton Field and Ignacio, Marin County Comment
  POM273122  Madia anomala J. T. Howell 1946-5-25 21932 Marin Greenbrae HillsGreenhorn Mountain Range: North Rim of Kern Canyon. Comment
  POM273143  Trifolium gracilentum J. T. Howell 1946-4-18 21662 Marin Novato. Comment
  POM299073  Phacelia distans J. T. Howell 1930-4-20 4741 Marin Pt. Reyes Comment
  POM914491  Carex mendocinensis J. T. Howell, J. W. Stacey 1936-6-7 12658 Marin Serpentine area near Bootjack, Mt. Tamalpais Comment
  RSA0012740  Senecio hydrophilus J. T. Howell 1946-9-20 23014 Marin Chileno Valley Comment
  RSA0014199  Carex mendocinensis J. T. Howell 1945-4-29 20789 Marin Camp Handy. Comment
  RSA0021756  Ribes menziesii var. leptosmum J. T. Howell 1943-6-13 18232 Marin Sausalito. Comment
  RSA0022773  Monardella villosa subsp. subserrata J. T. Howell 1930-7-20 5374 Marin Near Phoenix Lake. Comment
  RSA0029461  Geranium solanderi J. T. Howell 1944-7-9 19714 Marin South of Tomales Bay Comment
  RSA0029463  Geranium potentilloides J. T. Howell 1969-4-20 45514 Marin Meadow Trail to Mt. Wittenberg, Pt. Reyes National Seashore. Comment
  RSA0034598  Parapholis incurva J. T. Howell 1945-5-6 20816 Marin San Rafael. Comment
  RSA0041665  Thysanocarpus curvipes var. elegans John Thomas Howell 1947-4-27 23106 Marin Bald Mt. west of San Anselmo. Comment
  RSA0059502  Claytonia gypsophiloides J. T. Howell 1945-4-29 20795 Marin Serpentine ridge W of Camp Handy, Mt. Tamalpais Comment
  RSA0074196  Arctostaphylos glandulosa var. cushingiana J. T. Howell 1933-3-19 10868 Marin South side of Mt. Tamalpais above Mill Valley. Comment
  RSA0079898  Carex brevicaulis John Thomas Howell 1946-4-21 21683 Marin Sandy down near radio station, Pt. Reyes Peninsula. Comment
  RSA0089643  Amsinckia intermedia J. T. Howell 1933-4-30 11199 Marin Phoenix Lake. Comment
  RSA0097836  Spergularia macrotheca J. T. Howell 1944-5-28 19506 Marin Manzanita. Comment
  RSA0097866  Spergularia bocconi J. T. Howell 1944-9-24 20744 Marin Stinson Beach. Comment
  RSA0097867  Spergularia bocconi J. T. Howell 1946-5-16 21880 Marin Angel Island, S side. Comment
  RSA0098124  Spergularia rubra J. T. Howell 1933-4-1 10920 Marin 4.5 miles N of San Rafael. Comment
  RSA114321  Clarkia purpurea subsp. purpurea J. T. Howell 1947-5-21 23187 Marin Tiburon. Comment
  RSA114324  Clarkia gracilis subsp. gracilis J. T. Howell 1947-5-18 23173 Marin Fairfax Hills. Comment
  RSA126187  Cypselea humifusa J. T. Howell 1939-8-27 15327 Marin Lake Lagunitas Comment
  RSA126191  Chenopodium macrospermum var. farinosum J. T. Howell 1947-10-26 24194 Marin Rodeo Lagoon. Comment
  RSA126208  Vicia angustifolia J. T. Howell 20843 Marin Ignacio. Comment
  RSA126238  Chenopodium ambrosioides var. ambrosioides J. T. Howell 1945-8-19 21419 Marin Inverness. Comment
  RSA126401  Aira elegans J. T. Howell 1947-4-27 23085 Marin Bald Mt. west of San Anselmo Comment
  RSA126546  Microseris douglasii subsp. douglasii J. T. Howell 1941-5-25 16221 Marin Potrero Meadow, Mt. Tamalpais Comment
  RSA126548  Layia chrysanthemoides J. T. Howell 1946-4-18 21678 Marin Novato. Comment
  RSA126549  Madia anomala J. T. Howell 1941-6-10 16284 Marin Black Point Comment
  RSA127057  Zannichellia palustris J. T. Howell 1947-4-30 23113 Marin Near Dillons Beach. Comment
  RSA127067  Juncus kelloggii J. T. Howell 1949-5-25 25337 Marin Point Reyes Peninsula. Comment
  RSA127097  Lasthenia glaberrima J. T. Howell 1944-5-21 19495 Marin Lagunitas Meadows, Mount Tamalpais. Comment
  RSA127211  Delphinium hesperium J. T. Howell 1946-5-19 21928 Marin Clay soil near rocks, saddle betw Big and Little Carson Canyons. Comment
  RSA127247  Paspalum dilatatum J. T. Howell 1945-8-5 21364 Marin McKinnan's Landing near Stinson Beach Comment
  RSA127377  Schoenoplectus californicus J. T. Howell 1944-7-9 19721 Marin South of Tomales Bay Comment
  RSA128310  Lotus humistratus J. T. Howell 1940-5-12 s.n. Marin San Anselmo Canyon, Mt. Tamalpais. Comment
  RSA128312  Myriophyllum aquaticum J. T. Howell 1946-6-16 s.n. Marin Point Reyes Station. Comment
  RSA128313  Stellaria nitens J. T. Howell 1947-4-27 23084 Marin Bald Mt. W of San Anselmo Comment
  RSA128319  Trifolium albopurpureum J. T. Howell 1945-5-6 20807 Marin San Rafael Hill Comment
  RSA128882  Filago californica J. T. Howell 1939-5-14 s.n. Marin West Point, Mt. Tamalpais Comment
  RSA128924  Stephanomeria virgata J. T. Howell 1945-9-2 21456 Marin San Rafael Hills Comment
  RSA128934  Trifolium dichotomum J. T. Howell 1943-5-2 17932 Marin Big Carson Canyon. Comment
  RSA128937  Trifolium willdenovii J. T. Howell 1947-5-4 23130 Marin San Rafael Hills. Comment
  RSA128944  Aster radulinus J. T. Howell 1946-9-15 23003 Marin Near Potrero Meadows, Mt. Tamalpais Comment
  RSA128951  Agoseris heterophylla J. T. Howell 1947-5-4 23125 Marin San Rafael Hills. Comment
  RSA201404  Cuscuta campestris J. T. Howell 1946-9-20 23013 Marin Chileno Valley Comment
  RSA201488A  Lomatium vaginatum J. T. Howell 1947-5-8 23145 Marin Sausalito Comment
  RSA201505  Juncus kelloggii J. T. Howell 1967-6-8 42549 Marin northern Nat l Seashore beach area, Pont Reyes Peninsula Comment
Read comments
Feb 27 2013
  RSA216154  Viola tricolor J. T. Howell 1959-9-10 34606 Marin Spontaneous in garden of Mrs. James Jenkins, Bolinas. Comment
  RSA216164  Lilium pardalinum J. T. Howell 1966-7-20 41994 Marin Area adjacent to the John Thomas Howell Botanical Garden, Tiburon. Comment
  RSA216197  Trifolium microdon J. T. Howell 1966-4-18 41500 Marin John Thomas Howell Botanical Garden, Tiburon. Comment
  RSA22025  Cuscuta ceanothi J. T. Howell 1939-9-3 15355 Marin San Antonio Creek Comment
  RSA22084  Hemizonia corymbosa subsp. corymbosa J. T. Howell 1939-9-3 15336 Marin Near Black Point. Comment
  RSA244741  Cuscuta occidentalis J. T. Howell 1972-6-18 48868 Marin near Ring Hill, Tiburon Peninsula 168 Comment
  RSA299144  Clarkia davyi J. T. Howell, Catherine Best, Wilma Follette, Gordon H. True 1980-6-19 53720 Marin Near Abbott s Lagoon, Point Reyes Peninsula. Comment
  RSA31380  Epilobium brachycarpum J. T. Howell 1942-9-13 17867 Marin Carson Ridge Comment
  RSA31381  Epilobium foliosum J. T. Howell 1944-5-21 19486 Marin Canyon below Phoenix Lake, Mt. Tamalpais Comment
  RSA31383  Epilobium ciliatum subsp. ciliatum J. T. Howell 1942-7-12 17014 Marin Cascade Canyon, Mill Valley Comment
  RSA31384  Epilobium ciliatum subsp. watsonii J. T. Howell 1945-8-5 21368 Marin Stinson Beach Comment
  RSA31385  Clarkia gracilis subsp. gracilis J. T. Howell 1946-5-19 21912 Marin Meadows Club, Fairfax Hills Comment
  RSA31386  Clarkia gracilis subsp. gracilis J. T. Howell 1946-5-12 21811 Marin Edge of serpentine, Carson Ridge Comment
  RSA31420  Epilobium brachycarpum J. T. Howell 1946-9-20 23019 Marin Chileno Valley Comment
  RSA31421  Epilobium brachycarpum J. T. Howell 1946-9-20 23018 Marin Chileno Valley Comment
  RSA32120  Triglochin maritima J. T. Howell 1944-4-23 19393 Marin Escalle Salt marsh. Comment
  RSA32136  Ludwigia hexapetala J. T. Howell 1945-7-1 21259 Marin Tiburon. Comment
  RSA32267  Vicia hassei J. T. Howell 1946-4-18 21658 Marin Novato. Comment
  RSA32280  Papaver californicum J. T. Howell 1946-5-30 21962 Marin Little Carson Canyon. Comment
  RSA32480  Ludwigia hexapetala J. T. Howell 1945-8-12 21379 Marin Tiburon. Comment
  RSA424277  Plantago truncata subsp. firma J. T. Howell 1944-5-21 19500 Marin Lagunitas Meadows north side of Mount Tamalpais. 244 Comment
  RSA43306  Scrophularia californica J. T. Howell 1948-6-6 24331 Marin Bolinas Bay Sand Spit. Comment
  RSA44495  Selaginella wallacei John Thomas Howell 1947-3-2 s.n. Marin Above Blythedale canyon, east side of Mt. Tamalpais Comment
  RSA46395  Polypodium californicum J. T. Howell 1947-3-23 s.n. Marin Cataract Gulch. Mt. Tamalpais. Comment
  RSA471594  Heterotheca sessiliflora subsp. bolanderi J. T. Howell 1933-7-30 11467 Marin 1.5 miles north of Olema Comment
  RSA51279  Erodium brachycarpum J. T. Howell 1947-4-23 23075 Marin East side of Drakes Estero, Point Reyes Peninsula. Comment
  RSA51942  Carex subbracteata J. T. Howell 1949-5-25 25336 Marin Point Reyes Peninsula. Comment
  RSA51944  Carex subbracteata J. T. Howell 1945-5-27 20883 Marin Northeast of Mountain Theater, Mt. Tamalpais. Comment
  RSA51945  Carex subbracteata J. T. Howell 1943-5-22 18158 Marin Lagunitas Meadows. Comment
  RSA51946  Carex harfordii J. T. Howell 1946-6-2 21968 Marin Potrero Meadow, Mt. Tamalpais. Comment
  RSA51979  Carex ovalis J. T. Howell 1946-6-2 21971 Marin Potrero Meadow, Mt. Tamalpais. Comment
  RSA52310  Carex simulata J. T. Howell 1946-6-20 22102 Marin East side of Bolinas Lagoon. Comment
  RSA52311  Carex densa J. T. Howell 1944-4-23 19401 Marin Hills southeast of Kentfield. Comment
  RSA52314  Carex harfordii J. T. Howell 1949-5-25 25335 Marin Point Reyes Peninsula. Comment
  RSA53839  Anagallis minima J. T. Howell 1945-6-12 20945 Marin Low moist place, Potrero Meadow. Mt. Tamalpais. Comment
  RSA55726  Geranium retrorsum J. T. Howell 1944-5-7 19440 Marin Baltimore Park. Comment
  RSA584267  Lepidium sativum J. T. Howell 1986-9-15 s.n. Marin Growing in the Terra Linda Vegetable Garden at Nova Albion and Cermenho Ct., Terra Linda, San Rafael. Comment
  RSA67157  Galium californicum subsp. californicum J. T. Howell 1930-7-20 5381 Marin Just S of Phoenix Lake. Comment
  RSA70481  Oxalis laxa J. T. Howell 1946-6-20 22099 Marin Stinson Beach. Comment
  RSA7692  Calystegia purpurata J. T. Howell 1933-4-30 11197 Marin North side of Mt. Tamalpais. Comment
  RSA80296  Orthocarpus faucibarbatus J. T. Howell 1930-4-20 4719 Marin 1 mile east of Lagunitas. Comment
  RSA90937  Trifolium fucatum var. fucatum J. T. Howell 1946-4-18 21647 Marin Ignacio. Comment
  RSA91414  Trifolium albopurpureum J. T. Howell 1933-4-30 11190 Marin North side of Mt. Tamalpais. Comment
  RSA91663  Carex obnupta J. T. Howell, J. W. Stacey 1936-6-7 s.n. Marin On road to Point Reyes. Comment
  RSA91914  Parapholis incurva J. T. Howell 1945-5-6 20816 Marin San Rafael. Comment
  RSA92244  Layia gaillardioides J. T. Howell 1933-4-30 11192 Marin North side of Mt. Tamalpais. Comment
  RSA95263  Sidalcea hickmanii subsp. viridis J. T. Howell 1942-6-21 16997 Marin Carson Ridge Comment
Read comments
Jan 8 2009
  RSA98572  Iris douglasiana J. T. Howell 1952-6-3 28322 Marin Near the radio station, Point Reyes Peninsula Comment
  RSA992  Cupressus sargentii J. T. Howell 1927-8-22 678 Marin Rock Spring Trail, Mt Tamalpais. 548 Comment
  SBBG40154  Hydrocotyle ranunculoides J. T. Howell 1946-6-20 Marin near Stinson Beach Comment
  SEINET10460727  Heterocodon rariflorum Howell 1940-5-12 Howell 15421 Marin Lagunitas Creek Comment
  SEINET10509947  Agrostis gigantea John Thomas Howell 1944-7-30 Howell s.n. Marin Near Locust Ave., Mill Valley. Comment
  SEINET10511142  Alopecurus howellii John Thomas Howell 1946-5-4 Howell 21702 Marin East of Auora School, at Sonoma County line, Comment
  SEINET10521053  Calamagrostis crassiglumis John Thomas Howell 1947-6-4 Howell 1412 Marin Point Reyes Peninsula. Swale near radio station. Comment
  SEINET10560627  Elymus virescens John Thomas Howell 1945-6-24 Howell 21242 Marin Willon Meadow, Mt. Tamaplais, Marin County. Comment
  SEINET10597929  Stenotaphrum secundatum John Thomas Howell 1945-7-22 Howell 21330 Marin Clay slope and flat west of Mill Valley on road to Muir Woods. Comment
  SEINET10599404  Melica geyeri var. aristulata John Thomas Howell 1947-5-18 Howell 23185 Marin Shade of deep woods, Lagunitas Measdows, Comment
  SEINET10603876  Stipa lepida var. andersonii John Thomas Howell 1945-5-27 Howell 20881 Marin East of Mountain Theatre, Mt. Tamalpais, Comment
  SEINET10603877  Stipa lepida var. andersonii John Thomas Howell 1944-5-14 Howell 19469 Marin Salmon Creek Canyon. Comment
  SEINET10604659  Vulpia octoflora var. glauca John Thomas Howell 1946-5-12 Howell s.n. Marin Chaparral burn, Carson Ridge Comment
  SEINET10605756  Poa howellii John Thomas Howell 1939-5-14 Howell 14674 Marin Berry Trail, Mt. Tamalpais. Comment
  SEINET10605892  Sitanion hansenii John Thomas Howell 1946-5-16 Howell 21887 Marin Angel Island Comment
  SEINET10610160  Leymus X multiflorus John Thomas Howell 1943-9-5 Howell 19314 Marin Between Tamalpais Valley and Tamalpais Hig School. Comment
  SEINET10660063  Phalaris aquatica John Thomas Howell 1945-8-12 Howell 21381 Marin Subsaline flat above salt marsh, Tiburon Comment
  SEINET10789992  Agrostis exarata John Thomas Howell 1945-7-1 Howell 21264 Marin Tiburon. Comment
  SEINET10792376  Bromus maritimus John Thomas Howell 1939-6-4 Howell 14715 Marin Point Reyes lighthouse. Comment
  SEINET10806860  Agrostis John Thomas Howell 1947-4-23 Howell 23062 Marin Drakes Estero west of Mt. Vision, Pt. Reyes Peninsula. Comment
  SEINET10832001  Festuca rubra John Thomas Howell 1941-5-25 Howell 16216 Marin Rifle Camp, Mt. Tamalpais, Comment
  SEINET10864621  Elymus glaucus John Thomas Howell 1943-5-9 Howell 17943 Marin San Rafael. Comment
  SEINET10864628  Elymus glaucus John Thomas Howell 1941-5-25 Howell 16215 Marin Rifle Camp, Mount Tamalpais. Comment
  SEINET10893344  Vulpia microstachys var. pauciflora John Thomas Howell 1943-5-22 Howell 18140 Marin Fairfax hills. Comment
  SEINET10942514  Pleuropogon hooverianus John Thomas Howell 1947-4-27 Howell 23107 Marin Ross; in shaded grassy place under trees Comment
  SEINET10959759  Scribneria bolanderi John Thomas Howell 1945-5-27 Howell 20879 Marin Serpentine area above Bootjack, Mt. Tamalpais, . Comment
  SEINET10960265  Vulpia bromoides John Thomas Howell 1943-5-9 Howell 17962 Marin San Rafael Hills. Comment
  SEINET10968036  Agrostis hallii John Thomas Howell 1947-6-18 Howell 23284 Marin North of Dillons Beach. Comment
  SEINET11071685 Image available Lotus pedunculatus John Thomas Howell 1944-9-30 19856 Marin between Mill Valley and head of salt marshes, el. ca. 10 feet, Marin Co. Comment
  SEINET12118789  Lomatium dasycarpum J. T. Howell 1930-1 4718 Marin 1 i E of Lagunitas Comment
  SEINET13948730 Image available Monardella villosa John Thomas Howell 1943-1 s.n. Marin Sausalito Comment
  SEINET196572 Image available Calamagrostis ophitidis John Thomas Howell 1947-5-18 23176 Marin On serpentine at south end of Carson Ridge. Comment
  SEINET199895 Image available Trisetum canescens John Thomas Howell 1949-6-25 Marin Camp Taylor. Comment
  SEINET199901  Agrostis blasdalei John Thomas Howell 1947-5-14 23150 Marin Monterey Series Drakes Estero West-northwest of Mt Vison. Comment
  SEINET3404244 Image available Triglochin concinna John Thomas Howell 1945-6-30 21256 Marin Stinson Beach, Salt marsh bordering Bolinas Lagoon Comment
  SEINET5333414  Monardella purpurea J. T. Howell 1972-6-18 s.n. Marin near Ring Hill, Tiburon Peninsula 168 Comment
  SEINET5507014 Image available Cirsium andrewsii John Thomas Howell 1933-7-30 11478 Marin near summit of road from Inverness to Pt. Reyes Comment
  SEINET5507029 Image available Cirsium andrewsii John Thomas Howell 1939-7-2 14818 Marin Elk Valley, East of Tennessee Cove Comment
  SEINET7483605 Image available Carex mendocinensis John Thomas Howell, J. V. Stacey 1936-1 12658 Marin near Bootjack, Mt. Tamalpais Comment
  SEINET7559870 Image available Carex globosa John Thomas Howell 1942-4-19 16946 Marin Carson Ridge, Mt Tamalpais. Comment
  SEINET7559896 Image available Carex globosa John Thomas Howell 1933-4-30 11193 Marin North side of Mt. Tamalpais. Comment
  SEINET956245  Lathyrus tingitanus John Thomas Howell 1945-1 21260 Marin Tiburon. Comment
  UC1008735  Navarretia heterodoxa John Thomas Howell 1942-9-13 17866 Marin above San Anselmo Canyon (trail to Carson Ridge) Comment
  UC1176731  Sedum radiatum John Thomas Howell 1946-7-7 22220 Marin Arturo Trail at Potrero Meadow (Mt. Tamalpais); , Potrero Meadow Comment
  UC1176767  Claytonia exigua subsp. exigua John Thomas Howell 1943-5-2 17937 Marin Carson Ridge Comment
  UC1176907  Polygonum lapathifolium John Thomas Howell 1945-11-4 21553 Marin near Locust Station; Mill Valley Comment
  UC1176914  Polygonum hydropiperoides John Thomas Howell 1945-10-14 Marin Olema Meadows Comment
  UC1177185  Lotus wrangelianus John Thomas Howell 1940-5-12 Marin San Anselmo Canyon Comment
  UC1177267  Erigeron reductus var. angustatus John Thomas Howell 1946-7-7 22197 Marin burned area s Barths Retreat; Mt. Tamalpais Comment
  UC1177317  Layia chrysanthemoides John Thomas Howell 1941-6-10 16307 Marin summit between Lucas Valley and Gallinas Valley Comment
  UC750712  Triglochin maritima John Thomas Howell 1945-6-30 21256 Marin marsh bordering Bolinas Lagoon; Stinson Beach, Bolinas Lagoon Comment
  UC905017  Carex harfordii John Thomas Howell 1949-5-25 25335 Marin Pt. Reyes Peninsula Comment
  UCD103058  Erodium botrys John Thomas Howell 1947-4-13 23058 Marin Tiburon Peninsula. Comment
  UCD103280  Geranium bicknellii John Thomas Howell 1946-5-30 21961 Marin Little Carson Canyon. Comment
  UCD103497  Geranium core-core John Thomas Howell 1944-7-23 19843 Marin San Rafael. Comment
  UCD106691  Lathyrus tingitanus John Thomas Howell 1945-7-1 21260 Marin Tiburon. Comment
  UCD108782  Vicia benghalensis John Thomas Howell 1945-5-20 s.n. Marin Tiburon. Comment
  UCD114949  Cakile maritima John Thomas Howell 1943-10-3 19333 Marin Above high tide line, Muir Beach. Comment
  UCD116692  Malva pseudolavatera John Thomas Howell 1976-6-2 51805 Marin Corte Madera. Comment
  UCD117408  Anagallis minima John Thomas Howell 1945-6-10 20945 Marin Potrero Meadow, Mt. Tamalpais. Comment
  UCD119621  Amsinckia intermedia John Thomas Howell 1945-5-13 20863 Marin Deer Park near Fairfax. Comment
  UCD119792  Cryptantha flaccida John Thomas Howell 1947-4-27 23100 Marin Bald Mountain, west of San Anselmo. Comment
  UCD121466  Zeltnera davyi John Thomas Howell 1945-8-19 21420 Marin East side of Inverness Ridge along Point Reyes Road. Comment
  UCD121817  Galium murale John Thomas Howell 1947-7-6 23324 Marin Laurel Dell, Mt. Tamalpais. Comment
  UCD124384  Plantago truncata subsp. firma John Thomas Howell 1944-5-21 19500 Marin Lagunitas Meadows, Mount Tamalpais. Comment
  UCD125947  Verbena bonariensis John Thomas Howell 1943-9-5 19323 Marin southern part of Mill Valley. Comment
  UCD126376  Calystegia occidentalis John Thomas Howell 1947-5-8 23140 Marin Sausalito. Comment
  UCD128029  Sanicula laciniata John Thomas Howell 1946-5-12 21779 Marin Carson Ridge. Comment
  UCD128161  Torilis arvensis John Thomas Howell 1976-6-2 51808 Marin Larkspur. Comment
  UCD135626  Senecio minimus John Thomas Howell 1944-6-25 s.n. Marin near Chinese Camp. Comment
  UCD138566  Allium neapolitanum John Thomas Howell 1958-8-11 33015 Marin San Rafael. Comment
  UCD142600  Euphorbia maculata John Thomas Howell 1954-9-23 s.n. Marin Ross, M. H. Esberg Garden. Comment
  UCD142603  Euphorbia maculata John Thomas Howell 1945-9-16 21494 Marin San Rafael. Comment
  UCD142809  Euphorbia serpillifolia John Thomas Howell 1946-6-16 22065 Marin San Anselmo. Comment
  UCD48713  Navarretia viscidula John Thomas Howell 1945-7-15 21303 Marin Near Meadow Club SW of Fairfax. Comment
  UCD72557  Heterocodon rariflorum John Thomas Howell 1940-5-12 15421 Marin Lagunitas Creek. Comment
  UCD98222  Lychnis coronaria John Thomas Howell 1953-7-26 29125 Marin above Camp Eastwood, Mt. Tamalpais. Comment



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