Search Results — 2000 specimen records retrieved (1432 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-BC100971  Cirsium hydrophilum var. vaseyi John Thomas Howell 1944-6-18 19631 Marin Camp Handy, Mt. Tamalpais Comment
  CAS-BOT-BC100975  Cirsium hydrophilum var. vaseyi John Thomas Howell 1942-7-12 17032 Marin Potrero Meadows, Mt. Tamalpais Comment
  CAS-BOT-BC10176  Delphinium hesperium John Thomas Howell 1945-5-20 20869 Marin Tiburon Comment
  CAS-BOT-BC10177  Delphinium hesperium John Thomas Howell 1941-5-25 16234 Marin Near Bootjack, Mt. Tamalpais Comment
  CAS-BOT-BC10181  Delphinium hesperium John Thomas Howell 1946-6-9 21998 Marin Abbotts Lagoon Comment
  CAS-BOT-BC102017  Bidens laevis John Thomas Howell 1945-10-14 21546 Marin Olema Marshes Comment
  CAS-BOT-BC104201  Quercus X morehus John Thomas Howell 1948-5-16 24297 Marin In Upper cascade Canyon, Mt. Tamalpais Comment
  CAS-BOT-BC104416  Quercus X subconvexa John Thomas Howell 1940-5-26 15525 Marin San Anselmo Canyon Comment
  CAS-BOT-BC104418  Quercus X subconvexa John Thomas Howell 1941-7-6 16364 Marin Hidden Lake, Mt. Tamalpais 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-BC104882  Quercus wislizeni John Thomas Howell 1927-8-22 3035 Marin on S side of Mt. Tamalpais above Mill Valley 213 Comment
  CAS-BOT-BC105260  Quercus kelloggii John Thomas Howell 1940-9-22 s.n. Marin Phoenix lake, Mt. Tamalpais Comment
  CAS-BOT-BC105261  Quercus kelloggii John Thomas Howell 1940-9-22 s.n. Marin Phoenix lake, Mt. Tamalpais Comment
  CAS-BOT-BC105832  Cirsium andrewsii John Thomas Howell 1939-6-4 14719 Marin Pt. Reyes Lighthouse Comment
  CAS-BOT-BC105837  Cirsium andrewsii John Thomas Howell 1946-6-30 22129 Marin Marsh east of Rodeo Lagoon Comment
  CAS-BOT-BC105842  Cirsium andrewsii John Thomas Howell 1947-6-18 23275 Marin Ocean bluffs, Dillons Beach Comment
  CAS-BOT-BC107308  Salix lasiolepis var. bigelovii John Thomas Howell 1946-7-4 22180 Marin Dillons Beach Comment
  CAS-BOT-BC107312  Salix lasiolepis var. bigelovii John Thomas Howell 1949-6-7 25344 Marin Dillons Beach Comment
  CAS-BOT-BC107320  Salix lasiolepis var. bigelovii John Thomas Howell 1944-3-26 19347 Marin Pt. Reyes road beyond Ledum Swamp Comment
  CAS-BOT-BC108914  Ribes divaricatum var. pubiflorum John Thomas Howell 1933-7-30 11476 Marin Near Inverness. Comment
  CAS-BOT-BC110190  Carex buxbaumii John Thomas Howell 1947-6-4 23213 Marin Point Reyes Peninsula. Swale near radio station. 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-BC111309  Schoenoplectus acutus var. occidentalis John Thomas Howell 1944-6-25 19658 Marin Salt marsh between Santa Venetia and Chinese Camp Comment
  CAS-BOT-BC111317  Schoenoplectus acutus var. occidentalis John Thomas Howell 1946-9-20 23016 Marin Laguna in Chileno Valley Comment
  CAS-BOT-BC111569  Schoenoplectus americanus John Thomas Howell 1945-7-8 s.n. Marin Burdell 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-BC112467  Isolepis cernua John Thomas Howell 1936-6-7 12649 Marin Ledum Swamp on road to Pt. Reyes 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-BC113677  Eleocharis acicularis var. occidentalis John Thomas Howell 1946-7-4 22182 Marin E of Aurora School at Sonoma Co. line. Comment
  CAS-BOT-BC114265  Cyperus esculentus John Thomas Howell 1989-9-20 s.n. Marin Foorball field Terra Linda High. San Rafael. Comment
  CAS-BOT-BC115587  Carex tumulicola John Thomas Howell 1944-4-13 19370 Marin Big Rock Ridge W of Hamilton Field. Comment
  CAS-BOT-BC116897  Carex subbracteata var. subbracteata John Thomas Howell 1937-6-13 13053 Marin Bolinas Comment
  CAS-BOT-BC116937  Carex subbracteata John Thomas Howell 1945-5-27 20883 Marin NE of Mountain Theater, Mt. Tamalpais. Comment
  CAS-BOT-BC118431  Carex praegracilis John Thomas Howell 1945-5-20 20871 Marin Tiburon Comment
  CAS-BOT-BC119036  Carex pellita John Thomas Howell 1939-6-4 14722 Marin Pt. Reyes Peninsula. Comment
  CAS-BOT-BC119273  Carex ovalis John Thomas Howell 1946-6-2 21971 Marin Mt. Tamalpais, Potrero Meadow. Comment
  CAS-BOT-BC119275  Carex ovalis John Thomas Howell 1946-6-13 22061 Marin Estero School north of Dillons Beach. Comment
  CAS-BOT-BC119390  Carex obnupta John Thomas Howell 1946-7-4 22179 Marin Dillons Beach. Comment
  CAS-BOT-BC119391  Carex obnupta John Thomas Howell 1946-5-4 21714 Marin East of Aurora School at Sonoma Co. line. Comment
  CAS-BOT-BC119393  Carex obnupta John Thomas Howell 1943-6-13 18228 Marin Sausalito hills Comment
  CAS-BOT-BC121848  Dirca occidentalis John Thomas Howell 1948-5-31 24329 Marin Devils Gulch near Camp Taylor 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-BC12484  Lepidium nitidum John Thomas Howell 1939-5-28 7406 Marin Point Reyes Peninsula. Comment
  CAS-BOT-BC125941  Salix X rubens John Thomas Howell 1980-9-8 53899 Marin Between Alpine and Bon Tempe lakes Comment
  CAS-BOT-BC126417  Salix sitchensis John Thomas Howell 1939-3-26 14598 Marin Cataract Gulch, Mt. Tamalpais Comment
  CAS-BOT-BC126423  Salix sitchensis John Thomas Howell 1947-3-23 23047 Marin Cataract Gulch, Mt. Tamalpais Comment
  CAS-BOT-BC126428  Salix sitchensis John Thomas Howell 1943-7-4 18263 Marin Ledum Swamp on road to Pt. Reyes Comment
  CAS-BOT-BC126429  Salix sitchensis John Thomas Howell 1944-3-26 19346 Marin Point Reyes road beyond Ledum Swamp Comment
  CAS-BOT-BC127184  Agrostis exarata John Thomas Howell 1966-7-20 41992 Marin Area adjacent to the John Thomas Howell Botanical Garden, Tiburon. Comment
  CAS-BOT-BC127187  Agrostis exarata John Thomas Howell 1944-6-4 19542 Marin Inverness Ridge west of Inverness. Comment
  CAS-BOT-BC127190  Agrostis exarata John Thomas Howell 1943-6-13 18230 Marin Sausalito Hills. Comment
  CAS-BOT-BC127191  Agrostis exarata John Thomas Howell 1943-7-4 s.n. Marin Near Ledum Swamp, Point Reyes Peninsula. Comment
  CAS-BOT-BC127196  Agrostis exarata John Thomas Howell 1945-7-1 21264 Marin Tiburon. Comment
  CAS-BOT-BC127199  Agrostis exarata John Thomas Howell 1945-6-3 20922 Marin Twin Beaches. Comment
  CAS-BOT-BC127204  Agrostis exarata John Thomas Howell 1947-6-18 23265 Marin Laguna, Chileno Valley. Comment
  CAS-BOT-BC127207  Agrostis exarata John Thomas Howell 1945-6-24 21237 Marin Mount Tamalpais. Willow Meadow. Comment
  CAS-BOT-BC127210  Agrostis exarata John Thomas Howell 1943-6-8 18219 Marin Tiburon. Comment
  CAS-BOT-BC127213  Agrostis exarata John Thomas Howell 1943-7-11 s.n. Marin Mount Tamalpais. Potrero Meadow. Comment
  CAS-BOT-BC127215  Agrostis exarata John Thomas Howell 1943-5-22 18156 Marin Lagunitas Meadows. Comment
  CAS-BOT-BC127218  Agrostis exarata John Thomas Howell 1966-7-20 41993 Marin Area adjacent to the John Thomas Howell Botanical Garden, Tiburon. Comment
  CAS-BOT-BC127219  Agrostis exarata John Thomas Howell 1945-6-24 21234 Marin Mount Tamalpais. Laurel Dell. Comment
  CAS-BOT-BC127224  Agrostis exarata John Thomas Howell 1944-9-10 20737 Marin Shell Beach north of Inverness. Comment
  CAS-BOT-BC127227  Agrostis exarata John Thomas Howell 1942-6-7 s.n. Marin San Anselmo Canyon. Comment
  CAS-BOT-BC127428  Agrostis densiflora John Thomas Howell 1945-6-12 20962 Marin Near radio station, Point Reyes Peninsula. Comment
  CAS-BOT-BC127429  Agrostis densiflora John Thomas Howell 1945-7-29 21357 Marin Between Bolinas radio station and Rio Honda. Comment
  CAS-BOT-BC12743  Lepidium oxycarpum John Thomas Howell 1933-4-1 10919 Marin 4.5 miles north of San Rafael. Comment
  CAS-BOT-BC127472  Agrostis densiflora John Thomas Howell 1947-5-14 23156 Marin McClure Beach. 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-BC127489  Agrostis capillaris John Thomas Howell 1945-6-12 20955 Marin Near radio station, Point Reyes Peninsula. Comment
  CAS-BOT-BC127492  Agrostis capillaris John Thomas Howell 1947-5-14 23165 Marin McClure Beach. Comment
  CAS-BOT-BC127501  Agrostis blasdalei John Thomas Howell; Catherine Best 1981-6-11 54067 Marin North Beach, 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-BC127512  Agrostis blasdalei John Thomas Howell 1946-6-13 22053 Marin Rocks east of Dillons Beach. 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-BC128103  Salix lasiandra var. lasiandra John Thomas Howell 1949-4-6 25298 Marin Ignacio Comment
  CAS-BOT-BC128795  Whipplea modesta John Thomas Howell 1947-5-4 23131 Marin San Rafael Hills Comment
  CAS-BOT-BC13123  Agoseris hirsuta John Thomas Howell 1945-8-12 21374 Marin Near Rock Spring, Mount Tamalpais 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-BC13127  Agoseris hirsuta John Thomas Howell 1941-6-8 16263 Marin Hills NE of San Rafael Comment
  CAS-BOT-BC13131  Agoseris hirsuta John Thomas Howell 1943-6-8 18221 Marin Tiburon Peninsula Comment
  CAS-BOT-BC131540  Ericameria arborescens John Thomas Howell 1924-9-14 652 Marin Pipeline Trail Comment
  CAS-BOT-BC131550  Ericameria arborescens John Thomas Howell 1930-12-28 5716 Marin Slopes of Mt. Tamalpais above Mill Valley Comment
  CAS-BOT-BC132532  Calochortus tiburonensis John Thomas Howell 1972-6-18 48864 Marin Slope near Ring Hill, Tiburon Peninsula 167 Comment
  CAS-BOT-BC132562  Calochortus umbellatus John Thomas Howell 1946-5-12 21812 Marin Carson country Comment
  CAS-BOT-BC132900  Adenostoma fasciculatum John Thomas Howell 1930-12-28 5720 Marin Slopes of Mt. Tamalpais above Mill Valley Comment
  CAS-BOT-BC133628  Iris longipetala John Thomas Howell 1946-5-4 21709 Marin East of Aurora School at Sonoma Co. line Comment
  CAS-BOT-BC135518  Cercocarpus betuloides var. betuloides John Thomas Howell 1947-3-2 23040 Marin Above Blythedale Canyon, east side of Mt. Tamalpais 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-BC137823  Andropogon glomeratus var. pumilus John Thomas Howell 1938-1-9 s.n. Marin Mount Tamalpais. Near Rock Spring. Comment
  CAS-BOT-BC137929  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-BC138052  Alopecurus aequalis var. sonomensis John Thomas Howell 1952-6-3 28322 Marin Near radio station, Point Reyes Peninsula. Comment
  CAS-BOT-BC138054  Alopecurus aequalis var. sonomensis John Thomas Howell 1945-7-29 21358 Marin Between Bolinas radio station and Rio Honda. 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-BC138659  Agrostis stolonifera John Thomas Howell 1945-8-5 21363 Marin McKinnan's Landing near Stinson Beach. Comment
  CAS-BOT-BC138833  Agrostis microphylla John Thomas Howell 1943-5-15 18091 Marin Tiburon Peninsula. Comment
  CAS-BOT-BC138838  Agrostis microphylla John Thomas Howell 1944-5-14 19479 Marin Chileno Valley. 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-BC139027  Agrostis pallens John Thomas Howell 1943-7-4 18268 Marin Near Ledum Swamp. Comment
  CAS-BOT-BC139030  Agrostis pallens John Thomas Howell 1941-6-10 16294 Marin Black Point. Comment
  CAS-BOT-BC139031  Agrostis pallens John Thomas Howell 1943-5-30 18183 Marin Mill Valley. Summit Avenue. Comment
  CAS-BOT-BC139033  Agrostis pallens John Thomas Howell 1943-6-6 18205 Marin Ridge southeast of Muir Woods. Comment
  CAS-BOT-BC139036  Agrostis pallens John Thomas Howell 1939-6-18 14782 Marin Near Mud Lake. Comment
  CAS-BOT-BC139039  Agrostis pallens John Thomas Howell 1943-5-15 18083 Marin Tiburon Peninsula. Comment
  CAS-BOT-BC139040  Agrostis pallens John Thomas Howell 1943-5-9 17960 Marin San Rafael Hills. Black Canyon. Comment
  CAS-BOT-BC139048  Agrostis pallens John Thomas Howell; Catherine Best 1981-6-11 54064 Marin Point Reyes Peninsula. North Beach. Comment
  CAS-BOT-BC139049  Agrostis pallens John Thomas Howell 1945-9-13 21465 Marin Point Reyes Peninsula. Near radio station. Comment
  CAS-BOT-BC139485  Agrostis hallii John Thomas Howell 1943-7-3 s.n. Marin Mount Tamalpais. Near Bootjack. Comment
  CAS-BOT-BC139486  Agrostis hallii John Thomas Howell 1947-6-18 23284 Marin North of Dillon Beach. Comment
  CAS-BOT-BC139664  Agrostis gigantea John Thomas Howell 1944-7-30 s.n. Marin Mill Valley. Near Locust Ave. Comment
  CAS-BOT-BC139667  Agrostis gigantea John Thomas Howell 1953-7-5 29106 Marin East Peak, Mount Tamalpais. Comment
  CAS-BOT-BC139672  Agrostis gigantea John Thomas Howell 1944-9-10 20720 Marin Marshes north of Olema. Comment
  CAS-BOT-BC141320  Phoradendron serotinum subsp. tomentosum John Thomas Howell 1945-6-24 21243 Marin Hidden Lake Fien Trail, Mt.Tamalpais Comment
  CAS-BOT-BC141321  Phoradendron serotinum subsp. tomentosum John Thomas Howell 1945-2-22 20773 Marin Near Mountain Theater, Mt.Tamalpais Comment
  CAS-BOT-BC141590  Cotoneaster pannosus John Thomas Howell 1965-10-13 41414 Marin John Thomas Howell Botanical Garden Tiburon Comment
  CAS-BOT-BC141591  Cotoneaster pannosus John Thomas Howell 1959-11-4 35109 Marin Stinson Beach Comment
  CAS-BOT-BC142227  Oemleria cerasiformis John Thomas Howell 1946-6-16 22078 Marin Olema Marshes Comment
  CAS-BOT-BC142250  Physocarpus capitatus John Thomas Howell 1958-6-28 33638 Marin Stream bank, Willow Meadow, Mt. Tamalpais Comment
  CAS-BOT-BC142514  Amelanchier utahensis John Thomas Howell 1944-5-14 19458 Marin Exposed rock near Salmon Creek School Comment
  CAS-BOT-BC142517  Amelanchier utahensis John Thomas Howell 1947-4-23 23060 Marin Drakes Estero west of Mt. Vision Comment
  CAS-BOT-BC143033  Eruca vesicaria subsp. sativa J. T. Howell 1988-7-16 s.n. Marin Terra Linda Community Gardens Comment
  CAS-BOT-BC143091  Potentilla anserina subsp. pacifica John Thomas Howell 1947-5-21 23194 Marin Tiburon Comment
  CAS-BOT-BC143093  Potentilla anserina subsp. pacifica John Thomas Howell 1966-4-18 41508 Marin Gully just north of John Thomas Howell Botanical Garden, Tiburon Comment
  CAS-BOT-BC144016  Horkelia marinensis John Thomas Howell; Catherine Best; Wilma Follette; Gordon H. True 1980-6-19 53719 Marin Near Abbotts Lagoon, Point Reyes Peninsula Comment
  CAS-BOT-BC144705  Ribes sanguineum var. glutinosum John Thomas Howell 1944-3-26 19341 Marin Inverness Comment
  CAS-BOT-BC144708  Ribes sanguineum var. glutinosum John Thomas Howell 1944-7-9 19696 Marin Inverness Ridge Comment
  CAS-BOT-BC145419  Brachypodium distachyon John Thomas Howell 1948-5-31 24327 Marin Devils Gulch near Camp Taylor. Comment
  CAS-BOT-BC145759  Avena sativa John Thomas Howell 1946-6-30 22140 Marin Rodeo Lagoon. Comment
  CAS-BOT-BC145761  Avena sativa J. T. Howell 1988-7-16 s.n. Marin In Terra Linda. Comment
  CAS-BOT-BC145778  Beckmannia syzigachne John Thomas Howell 1945-5-9 20835 Marin Between Hamilton Field and Ignacio. 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-BC146514  Horkelia tenuiloba John Thomas Howell 1939-7-16 14847 Marin Azalea Flat, Mt. Tamalpais Comment
  CAS-BOT-BC146562  Carex gynodynama John Thomas Howell 1945-6-24 21240 Marin Willow Meadow, Mt. Tamalpais Comment
  CAS-BOT-BC146589  Carex gynodynama John Thomas Howell 1946-5-4 21728 Marin Near Dillons Beach Comment
  CAS-BOT-BC146594  Carex gynodynama John Thomas Howell; J. W. Stacey 1936-6-7 12640 Marin Ledum Swamp on road to Point Reyes Comment
  CAS-BOT-BC146620  Carex mendocinensis John Thomas Howell 1940-5-26 15535 Marin Little Carson Falls Comment
  CAS-BOT-BC146623  Carex mendocinensis John Thomas Howell; J. W. Stacey 1936-6-7 12658 Marin Near Bootjack, Mt. Tamalpais Comment
  CAS-BOT-BC146629  Carex mendocinensis John Thomas Howell 1938-6-5 13895 Marin Azalea Flat, Mt. Tamalpais Comment
  CAS-BOT-BC146632  Carex mendocinensis John Thomas Howell 1940-5-26 15535 Marin Little Carson Falls Comment
  CAS-BOT-BC146894  Rosa rubiginosa John Thomas Howell 1946-6-13 22057 Marin Estero School n. of Dillons Beach Comment
  CAS-BOT-BC147261  Rubus parviflorus John Thomas Howell 1939-6-25 14807 Marin Mt. Tamalpais Comment
  CAS-BOT-BC147509  Rosa californica John Thomas Howell 1939-9-3 15357 Marin San Antonio Creek Comment
  CAS-BOT-BC148226  Rosa spithamea John Thomas Howell 1942-6-21 17001 Marin San Anselmo Canyon Comment
  CAS-BOT-BC148228  Rosa spithamea John Thomas Howell 1946-6-2 21978 Marin Rocky Ridge Fire Trail, Mt. Tamalpais Comment
  CAS-BOT-BC148229  Rosa spithamea John Thomas Howell 1946-9-8 23001 Marin Burned area sw. of Lake Lagunitas, Mt. Tamalpais Comment
  CAS-BOT-BC149176  Bromus carinatus var. carinatus John Thomas Howell 1943-5-9 17972 Marin San Rafael Hills. 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-BC149207  Bromus carinatus var. carinatus John Thomas Howell 1943-6-13 18233 Marin Sausalito. Comment
  CAS-BOT-BC149210  Bromus carinatus var. carinatus John Thomas Howell 1943-5-15 18099 Marin Tiburon Peninsula. Comment
  CAS-BOT-BC149215  Bromus carinatus var. carinatus John Thomas Howell 1958-6-28 33636 Marin Mount Tamalpais. South side of Alpine Lake. Comment
  CAS-BOT-BC149218  Bromus carinatus var. carinatus John Thomas Howell 1945-6-3 20920 Marin Near Inverness. Comment
  CAS-BOT-BC149222  Bromus carinatus var. carinatus John Thomas Howell 1943-5-22 18120 Marin Fairfox. Comment
  CAS-BOT-BC149224  Bromus carinatus var. carinatus John Thomas Howell 1943-5-22 18124 Marin Deer Park near Fairfax. Comment
  CAS-BOT-BC149245  Bromus carinatus var. carinatus John Thomas Howell 1943-6-6 18215 Marin Railroad grade above Muir Woods. Comment
  CAS-BOT-BC149246  Bromus carinatus var. carinatus John Thomas Howell 1943-6-6 18214 Marin Railroad grade to Muir Woods. Comment
  CAS-BOT-BC149249  Bromus carinatus var. carinatus John Thomas Howell 1940-5-12 15442 Marin Fairfax. 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-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-BC154379  Phacelia suaveolens John Thomas Howell 1946-5-19 21919 Marin Capon Ridge Comment
  CAS-BOT-BC154382  Phacelia suaveolens John Thomas Howell 1946-6-2 21973 Marin Rocky Ridge Fire Trail, Mt. Tamalpais Comment
  CAS-BOT-BC155017  Bromus hordeaceus John Thomas Howell 1966-4-18 41482 Marin John Thomas Howell Botanical Garden. Tiburon. Comment
  CAS-BOT-BC155020  Bromus hordeaceus John Thomas Howell 1966-4-18 41520 Marin John Thomas Howell Botanical Garden. Tiburon. Comment
  CAS-BOT-BC155025  Bromus hordeaceus John Thomas Howell 1938-6-19 13913 Marin Mount Tamalpais. Zigzag Fire Trail. Comment
  CAS-BOT-BC155380  Bromus hordeaceus John Thomas Howell 1943-5-9 s.n. Marin San Raphael. Comment
  CAS-BOT-BC155830  Bromus catharticus var. elatus John Thomas Howell 1954-7-29 30016 Marin Olema. 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-BC156625  Rubus bifrons John Thomas Howell 1943-8-29 19311 Marin Summit (Avenue) Ridge, Mill Valley Comment
  CAS-BOT-BC157406  Solanum umbelliferum J. T. Howell 1940-5-12 s.n. Marin Lagunitas Creek Canyon Comment
  CAS-BOT-BC158718  Rubus ulmifolius John Thomas Howell 1943-9-5 19313 Marin Between Tamalpais Valley and Tamalpais High School Comment
  CAS-BOT-BC158833  Rubus ursinus John Thomas Howell 1933-7-30 11477 Marin Near Inverness Comment
  CAS-BOT-BC158836  Rubus ursinus John Thomas Howell 1938-5-22 13799 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-BC158839  Rubus ursinus John Thomas Howell 1938-6-19 13918 Marin Azalea Flat, Mt. Tamalpais Comment
  CAS-BOT-BC158840  Rubus ursinus John Thomas Howell 1938-6-19 13918 Marin Azalea Flat, Mt. Tamalpais Comment
  CAS-BOT-BC158841  Rubus ursinus John Thomas Howell 1938-6-5 13898 Marin Azalea Flat, 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-BC158848  Rubus ursinus John Thomas Howell 1938-6-5 13906 Marin Near West Point, Mt. Tamalpais Comment
  CAS-BOT-BC158849  Rubus ursinus John Thomas Howell 1938-6-19 13929 Marin Near Rattlesnake, Mt. Tamalpais Comment
  CAS-BOT-BC158850  Rubus ursinus John Thomas Howell 1938-6-19 13929 Marin Near Rattlesnake, Mt. Tamalpais Comment
  CAS-BOT-BC158851  Rubus ursinus John Thomas Howell 1938-5-22 13801 Marin San Anselmo Canyon Comment
  CAS-BOT-BC158855  Rubus ursinus John Thomas Howell 1943-4-11 17894 Marin Black Canyon, San Rafael Hills Comment
  CAS-BOT-BC158856  Rubus ursinus John Thomas Howell 1943-4-11 17894 Marin Black Canyon, San Rafael Hills 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-BC161394  Bromus tectorum John Thomas Howell 1955-5-29 30255 Marin Near Mountain Theater, Mount Tamalpais. Comment
  CAS-BOT-BC161397  Bromus tectorum John Thomas Howell 1943-5-9 17940 Marin San Rafael. Comment
  CAS-BOT-BC161853  Bromus rubens John Thomas Howell 1944-5-28 19515 Marin Between Manzanita and Almonte. Comment
  CAS-BOT-BC162250  Bromus maritimus John Thomas Howell 1939-6-4 14715 Marin Point Reyes Lighthouse. Comment
  CAS-BOT-BC162251  Bromus maritimus John Thomas Howell 1946-6-30 22147 Marin Rodeo Lagoon. Comment
  CAS-BOT-BC162253  Bromus maritimus John Thomas Howell 1945-6-12 20958 Marin Point Reyes Peninsula. Near Radio Station. Comment
  CAS-BOT-BC162330  Bromus madritensis John Thomas Howell 1969-5-5 45571 Marin Tiburon Peninsula. Ring Hill. Comment
  CAS-BOT-BC162331  Bromus madritensis John Thomas Howell 1944-4-16 19390 Marin Mount Tamalpais. Corte Madera Ridge. Comment
  CAS-BOT-BC162333  Bromus madritensis John Thomas Howell 1946-5-16 21872 Marin Angel Island, south side. Comment
  CAS-BOT-BC162432  Bromus laevipes John Thomas Howell 1938-6-19 13919 Marin Mount Tamalpais. Bootjack. Comment
  CAS-BOT-BC163742  Clarkia purpurea subsp. quadrivulnera John Thomas Howell 1943-6-6 18212 Marin Canyon just below Muir Woods Comment
  CAS-BOT-BC164290  Clarkia davyi John Thomas Howell; Catherine Best; Wilma Follette; Gordon H. True 1980-6-19 53720 Marin Near Abbotts Lagoon, Point Reyes Peninsula Comment
  CAS-BOT-BC16451  Barbarea orthoceras John Thomas Howell 1947-5-8 s.n. Marin Sausalito. Comment
  CAS-BOT-BC16455  Barbarea orthoceras John Thomas Howell 1975-6-29 51325 Marin Kentfield. Roadside, Goodhill and Diablo Roads. Comment
  CAS-BOT-BC164606  Clarkia gracilis subsp. gracilis John Thomas Howell 1940-5-12 15420 Marin Lagunitas Creek Comment
  CAS-BOT-BC165077  Clarkia rubicunda John Thomas Howell 1946-5-16 21875 Marin Angel Island, s. side Comment
  CAS-BOT-BC168740  Ribes victoris John Thomas Howell 1943-3-7 17886 Marin Hills northeast of San Rafael Comment
  CAS-BOT-BC168741  Ribes victoris John Thomas Howell 1943-3-7 17887 Marin Hills northeast of San Rafael Comment
  CAS-BOT-BC168743  Ribes victoris John Thomas Howell 1943-3-14 17888 Marin Northside Trail, Mt. Tamalpais 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-BC168748  Ribes victoris John Thomas Howell 1943-3-7 17884 Marin Hills northeast of San Rafael Comment
  CAS-BOT-BC168749  Ribes victoris John Thomas Howell 1943-3-7 17885 Marin Hills northeast of San Rafael Comment
  CAS-BOT-BC168750  Ribes victoris John Thomas Howell 1943-4-11 17915 Marin Hills northeast of San Rafael Comment
  CAS-BOT-BC169213  Toxicodendron diversilobum John Thomas Howell 1933-4-30 11189 Marin North side of Mt. Tamalpais 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-BC17350  Arabis eschscholtziana John Thomas Howell 1944-5-14 19463 Marin Salmon Creek Canyon. Comment
  CAS-BOT-BC17510  Athysanus pusillus John Thomas Howell 1946-3-24 21581 Marin Carson Country. Comment
  CAS-BOT-BC175350  Stellaria borealis subsp. sitchana John Thomas Howell 1943-7-4 18261 Marin Ledum Swamp on road to Pt. Reyes Comment
  CAS-BOT-BC175353  Stellaria borealis subsp. sitchana John Thomas Howell 1939-6-4 14723 Marin Pt. Reyes Peninsula Comment
  CAS-BOT-BC175529  Parnassia palustris John Thomas Howell 1957-1-1 32019 Marin Azalea Flat, Mt. Tamalpais Comment
  CAS-BOT-BC175894  Claytonia rubra subsp. rubra John Thomas Howell 1946-3-24 21584 Marin Carson country Comment
  CAS-BOT-BC175942  Agrostis pallens John Thomas Howell 1945-6-24 s.n. Marin Near Bootjack Cypresses, Mt. Tamalpais Comment
  CAS-BOT-BC176067  Hesperolinon congestum John Thomas Howell 1937-7-4 13089 Marin Tiburon 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-BC181438  Stellaria littoralis John Thomas Howell 1947-5-14 s.n. Marin McClure Beach Comment
  CAS-BOT-BC183153  Vulpia microstachys var. ciliata John Thomas Howell 1941-5-25 10233 Marin Near Bootjack, Mt. Tamalpais Comment
  CAS-BOT-BC183155  Vulpia microstachys var. ciliata John Thomas Howell 1938-6-9 13909 Marin Laurel Dell, Mt. Tamalpais Comment
  CAS-BOT-BC183163  Vulpia microstachys var. ciliata John Thomas Howell 1941-6-29 16335 Marin Between Rock Spring and Laurel Dell, Mt. Tamalpais 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-BC184339  Vulpia microstachys var. pauciflora John Thomas Howell 1946-5-14 21839 Marin Between Barth's Retreat and Potrero Meadow, Mt. Tamalpais Comment
  CAS-BOT-BC184340  Vulpia microstachys var. pauciflora John Thomas Howell 1947-4-13 23055 Marin Tiburon Peninsula Comment
  CAS-BOT-BC184341  Vulpia microstachys var. pauciflora John Thomas Howell 1941-4-17 s.n. Marin Tiburon Comment
  CAS-BOT-BC184346  Vulpia microstachys var. pauciflora John Thomas Howell 1938-6-9 13908 Marin Laurel Dell, Mt. Tamalpais Comment
  CAS-BOT-BC184348  Vulpia microstachys var. pauciflora John Thomas Howell 1947-5-4 23132 Marin San Rafael Hills Comment
  CAS-BOT-BC184349  Vulpia microstachys var. pauciflora John Thomas Howell 1946-5-14 21838 Marin Between Barths Retreat and Potrero Meadow, Mt. Tamalpais Comment
  CAS-BOT-BC184351  Vulpia microstachys var. pauciflora John Thomas Howell 1946-5-14 21839 Marin Between Barths Retreat and Potrero Meadow, Mt. Tamalpais Comment
  CAS-BOT-BC184353  Vulpia microstachys var. pauciflora John Thomas Howell 1941-5-25 16222 Marin Potrero Meadow, Mt. Tamalpais 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-BC184361  Vulpia microstachys var. pauciflora John Thomas Howell 1941-5-25 16230 Marin Between Potrero Meadow and Mt. Theater, Mt. Tamalpais Comment
  CAS-BOT-BC184365  Vulpia microstachys var. pauciflora John Thomas Howell 1943-5-22 18140 Marin Fairfax Hills Comment
  CAS-BOT-BC185020  Calamagrostis rubescens John Thomas Howell 1945-8-12 21377 Marin Mill Valley, Cascade Canyon. Comment
  CAS-BOT-BC185021  Calamagrostis rubescens John Thomas Howell 1946-9-15 23004 Marin Mount Tamalpais. Near Willow Meadow. Comment
  CAS-BOT-BC185026  Calamagrostis rubescens John Thomas Howell 1945-8-12 21377 Marin Mill Valley, Cascade Canyon. Comment
  CAS-BOT-BC185103  Calamagrostis ophitidis John Thomas Howell 1945-5-27 20878 A Marin Mount Tamalpais. Bootjack cypresses. Comment
  CAS-BOT-BC185105  Calamagrostis ophitidis John Thomas Howell 1942-6-21 16988 Marin Carson Ridge. Comment
  CAS-BOT-BC185106  Calamagrostis ophitidis John Thomas Howell 1966-5-25 41535 Marin John Thomas Howell Botanical Garden, Tiburon. Just north of garden area. Comment
  CAS-BOT-BC185108  Calamagrostis ophitidis John Thomas Howell 1939-5-14 14680 Marin Near Collier Spring, Mount Tamalpais. Comment
  CAS-BOT-BC185172  Calamagrostis nutkaensis John Thomas Howell 1943-7-4 18248 Marin Ledum Swamp on road to Point Reyes. Comment
  CAS-BOT-BC185174  Calamagrostis nutkaensis John Thomas Howell 1943-6-13 18229 Marin Sausalito Hills. Comment
  CAS-BOT-BC185232  Calamagrostis koelerioides John Thomas Howell 1949-6-26 25352 A Marin Mount Tamalpais. Firetrail north of East Peak. Comment
  CAS-BOT-BC185510  Bromus vulgaris John Thomas Howell 1945-6-30 21249 Marin Steep Ravine. Mount Tamalpais. Comment
  CAS-BOT-BC185511  Bromus vulgaris John Thomas Howell 1943-5-30 18189 Marin Rifle Camp, Mount Tamalpais. 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-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-BC185976  Vulpia myuros var. myuros John Thomas Howell 1943-5-22 18115 Marin Fairfax Comment
  CAS-BOT-BC187883  Sidalcea calycosa subsp. rhizomata John Thomas Howell 1946-8-23 22884 Marin Pierce Point Road, Point Reyes Peninsula Comment
  CAS-BOT-BC189714  Danthonia californica John Thomas Howell 1947-7-6 23326 Marin Mount Tamalpais. Near Barths Retreat. Comment
  CAS-BOT-BC189720  Danthonia californica John Thomas Howell 1950-6-4 26624 Marin Mount Tamalpais. Near Mountain Home. Comment
  CAS-BOT-BC189721  Danthonia californica John Thomas Howell 1929-6-2 4286 Marin Hills near Fort Baker. 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-BC190121  Crypsis schoenoides John Thomas Howell 1980-9-8 53895 Marin Desiccated bottom of Alpine Lake near Bon Tempe Lake dam. Comment
  CAS-BOT-BC190132  Crypsis vaginiflora John Thomas Howell 1980-9-8 53894 Marin Alpine Lake near Bon Tempe Lake Dam. Comment
  CAS-BOT-BC190418  Cynosurus echinatus John Thomas Howell 1942-6-7 s.n. Marin San Anselmo Canyon. Comment
  CAS-BOT-BC191537  Chorizanthe cuspidata var. villosa John Thomas Howell 1946-5-4 21747 Marin Dillons Beach Comment
  CAS-BOT-BC191542  Chorizanthe cuspidata var. villosa John Thomas Howell 1946-6-9 21999 Marin Abbotts Lagoon Comment
  CAS-BOT-BC192192  Garrya fremontii John Thomas Howell 1942-9-6 17864 Marin Northside Trail, Mt. Tamalpais Comment
  CAS-BOT-BC19235  Carex barbarae John Thomas Howell 1938-6-5 13900 Marin Mount Tamalpais. Near Bootjack. Comment
  CAS-BOT-BC19237  Carex barbarae John Thomas Howell 1946-5-16 21855 Marin Angel Island, SE side. Comment
  CAS-BOT-BC192556  Deschampsia cespitosa subsp. holciformis John Thomas Howell 1965-10-13 41405 Marin John Thomas Howell Botanical Garden, Tiburon Comment
  CAS-BOT-BC192558  Deschampsia cespitosa subsp. holciformis John Thomas Howell 1946-6-30 22153 Marin Rodeo Lagoon 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-BC193114  Astragalus pycnostachyus var. pycnostachyus John Thomas Howell 1945-8-19 21433 Marin At head of Drakes Bay Comment
  CAS-BOT-BC193936  Vaccinium ovatum John Thomas Howell 1947-3-2 23042 Marin Above Phoenix Lake, Mt. Tamalpais Comment
  CAS-BOT-BC194533  Garrya elliptica John Thomas Howell 1944-4-13 19380 Marin Big Rock Ridge west of Hamilton Field Comment
  CAS-BOT-BC195585  Catapodium rigidum John Thomas Howell 1945-8-12 21378 Marin Cascade Canyon, Mill Valley Comment
  CAS-BOT-BC195586  Catapodium rigidum John Thomas Howell 1943-6-13 18225 Marin Sausalito Comment
  CAS-BOT-BC195632  Distichlis spicata John Thomas Howell 1945-8-5 s.n. Marin Stinson Beach Comment
  CAS-BOT-BC196047  Lupinus albifrons var. collinus John Thomas Howell 1943-5-22 18133 Marin Fairfax hills Comment
  CAS-BOT-BC196052  Lupinus albifrons var. collinus John Thomas Howell 1942-4-19 16944 Marin Big Carson Canyon Comment
  CAS-BOT-BC196174  Lupinus albifrons var. douglasii John Thomas Howell 1950-6-4 26622 Marin Blithedale Canyon, Mt. Tamalpais Comment
  CAS-BOT-BC196411  Lupinus arboreus John Thomas Howell 1944-7-9 19692 Marin Mt. Vision, Inverness Ridge Comment
  CAS-BOT-BC19682  Carex athrostachya John Thomas Howell 1946-6-13 22025 Marin Chileno Valley. Comment
  CAS-BOT-BC197147  Echinochloa crus-galli John Thomas Howell 1943-9-5 19320 Marin Just south of Mill Valley 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-BC198488  Deschampsia danthonioides John Thomas Howell 1939-5-14 14670 Marin Lake Lagunitas Meadows Comment
  CAS-BOT-BC198489  Deschampsia danthonioides John Thomas Howell 1967-5-24 42261 Marin To west of Dakin Lane, just north of Old St. Hilary's Church, Tiburon Comment
  CAS-BOT-BC198492  Deschampsia danthonioides John Thomas Howell 1943-5-15 18100 Marin South end, Tiburon Peninsula Comment
  CAS-BOT-BC198780  Vulpia bromoides John Thomas Howell 1948-5-16 24300 Marin Fern Canyon, on RR grade, 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-BC198786  Vulpia bromoides John Thomas Howell 1941-5-25 16198 Marin West Point to West Peak, Mt. Tamalpais Comment
  CAS-BOT-BC198788  Vulpia bromoides John Thomas Howell 1943-5-15 18080 Marin Tiburon Peninsula Comment
  CAS-BOT-BC198789  Vulpia bromoides John Thomas Howell 1930-4-23 s.n. Marin Blythedale Canyon, Mill Valley Comment
  CAS-BOT-BC19894  Carex echinata subsp. phyllomanica John Thomas Howell 1946-6-9 22005 Marin Abbotts Lagoon. Comment
  CAS-BOT-BC19895  Carex echinata subsp. phyllomanica John Thomas Howell 1943-7-4 18255 Marin Ledum Swamp on road to Pt. Reyes. Comment
  CAS-BOT-BC19960  Carex exsiccata John Thomas Howell 1946-6-20 22104 Marin 4 miles north of Bolinas. Comment
  CAS-BOT-BC199636  Trisetum canescens John Thomas Howell 1946-5-26 s.n. Marin Pt. Reyes Lighthouse Comment
  CAS-BOT-BC199638  Trisetum canescens John Thomas Howell 1943-5-22 18147 Marin Fairfax Hills Comment
  CAS-BOT-BC199639  Trisetum canescens John Thomas Howell 1943-5-15 18087 Marin Tiburon Peninsula Comment
  CAS-BOT-BC199640  Trisetum canescens John Thomas Howell 1943-5-9 17952 A Marin Black Canyon, San Rafael Hills Comment
  CAS-BOT-BC199641  Trisetum canescens John Thomas Howell 1949-5-15 25313 Marin West of Inverness Comment
  CAS-BOT-BC199645  Trisetum canescens John Thomas Howell 1941-5-25 16226 Marin Potrero Meadow, Mt. Tamalpais Comment
  CAS-BOT-BC199646  Trisetum canescens John Thomas Howell 1943-5-15 18087 Marin Tiburon Peninsula Comment
  CAS-BOT-BC200479  Triticum aestivum John Thomas Howell 1945-5-9 s.n. Marin Ignacio Comment
  CAS-BOT-BC201820  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-BC201825  Deschampsia elongata John Thomas Howell 1942-6-21 s.n. Marin Carson Ridge 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-BC203487  Elymus glaucus subsp. glaucus John Thomas Howell 1941-6-29 16341 Marin Laurel Dell, Mt. Tamalpais Comment
  CAS-BOT-BC203490  Elymus glaucus subsp. glaucus John Thomas Howell 1941-5-25 16215 Marin Rifle Camp, Mt. Tamalpais Comment
  CAS-BOT-BC203493  Elymus glaucus subsp. glaucus John Thomas Howell 1943-6-6 18199 Marin Between Mill Valley and 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-BC203504  Elymus glaucus subsp. glaucus John Thomas Howell 1945-6-12 20961 Marin Near radio station, Point Reyes Peninsula Comment
  CAS-BOT-BC203507  Elymus glaucus subsp. glaucus John Thomas Howell 1944-6-25 19642 Marin Santa Venetia Comment
  CAS-BOT-BC203510  Elymus glaucus subsp. glaucus John Thomas Howell 1945-5-9 20819 Marin Hamilton Field Comment
  CAS-BOT-BC203522  Elymus glaucus subsp. glaucus John Thomas Howell 1943-5-9 17953 Marin Black Canyon, San Rafael hills Comment
  CAS-BOT-BC203524  Elymus glaucus subsp. glaucus John Thomas Howell 1943-5-15 18098 Marin Tiburon Peninsula Comment
  CAS-BOT-BC203804  Elymus glaucus subsp. virescens John Thomas Howell 1945-6-24 21242 Marin Willow Meadows, Kent Trail, Mt. Tamalpais Comment
  CAS-BOT-BC203807  Elymus glaucus subsp. virescens John Thomas Howell 1943-7-4 18249 Marin Ledum Swamp on road to Point Reyes 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-BC203850  Elymus X hansenii John Thomas Howell 1939-7-2 14845 Marin Near Muir Woods Comment
  CAS-BOT-BC203851  Elymus X hansenii John Thomas Howell 1943-6-6 18206 Marin Ridge se. of Muir Woods Comment
  CAS-BOT-BC203856  Elymus X hansenii John Thomas Howell 1948-5-31 24325 Marin Devils Gulch near Camp Taylor Comment
  CAS-BOT-BC203859  Elymus X hansenii John Thomas Howell 1941-7-16 16378 Marin Near Rock Spring, Mt. Tamalpais Comment
  CAS-BOT-BC203860  Elymus X hansenii John Thomas Howell 1941-6-29 16333 Marin Between Rock Spring and Laurel Dell, Mt. Tamalpais Comment
  CAS-BOT-BC203861  Elymus X hansenii John Thomas Howell 1941-5-25 16236 Marin Near Bootjack, Mt. Tamalpais Comment
  CAS-BOT-BC204294  Elymus trachycaulus subsp. trachycaulus John Thomas Howell 1943-6-8 18218 Marin Tiburon 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-BC208071  Genista monspessulana John Thomas Howell 1966-4-6 41471 Marin John Thomas Howell Botanical Garden, Tiburon Comment
  CAS-BOT-BC20885  Carex globosa John Thomas Howell 1942-5-3 s.n. Marin Mill Valley, Summit Avenue. Comment
  CAS-BOT-BC20896  Carex globosa John Thomas Howell 1944-5-21 19491 Marin Lagunitas Meadows. Mt. Tamalpais. Comment
  CAS-BOT-BC20897  Carex globosa John Thomas Howell 1945-6-3 20932 Marin Shell Beach. Comment
  CAS-BOT-BC209203  Dichanthelium acuminatum subsp. acuminatum John Thomas Howell 1941-5-25 16225 Marin Potrero Meadow, Mt. Tamalpais Comment
  CAS-BOT-BC209252  Ribes menziesii John Thomas Howell 1950-10-11 27469 Marin Bear Valley Comment
  CAS-BOT-BC209254  Ribes menziesii John Thomas Howell 1939-5-21 14699 Marin South end of Tiburon Peninsula Comment
  CAS-BOT-BC209264  Ribes menziesii John Thomas Howell 1943-6-6 18207 Marin Canyon below Muir Woods Comment
  CAS-BOT-BC209274  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-BC210251  Cornus sericea John Thomas Howell 1946-6-13 22026 Marin Chileno Valley Comment
  CAS-BOT-BC21123  Carex leptalea John Thomas Howell 1943-7-4 18254 Marin Ledum Swamp on road to Pt. Reyes. Comment
  CAS-BOT-BC213366  Lathyrus jepsonii subsp. californicus John Thomas Howell 1947-5-18 23174 Marin Fairfax Hills Comment
  CAS-BOT-BC21338  Agoseris grandiflora var. grandiflora John Thomas Howell 1945-6-3 20930 Marin Shell Beach Comment
  CAS-BOT-BC21344  Agoseris grandiflora var. grandiflora John Thomas Howell 1940-5-20 15470 Marin Fairfax Comment
  CAS-BOT-BC215001  Lupinus chamissonis John Thomas Howell; et al 1980-6-19 53724 Marin Near Abbotts Lagoon, Point Reyes Peninsula Comment
  CAS-BOT-BC215707  Lepechinia calycina John Thomas Howell 1925-4-5 936 Marin Pipeline Trail 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-BC215884  Calystegia purpurata subsp. purpurata John Thomas Howell 1945-5-6 20803 Marin San Rafael Hills Comment
  CAS-BOT-BC215887  Calystegia purpurata subsp. purpurata John Thomas Howell 1946-5-12 21786 Marin Carson Ridge Comment
  CAS-BOT-BC215890  Calystegia purpurata subsp. purpurata John Thomas Howell 1939-7-2 s.n. Marin Near Big Lagoon Comment
  CAS-BOT-BC215893  Calystegia purpurata subsp. purpurata John Thomas Howell 1925-4-5 895 Marin Pipeline Trail Comment
  CAS-BOT-BC216090  Eriodictyon californicum John Thomas Howell 1939-6-18 14770 Marin Near Mud Lake Comment
  CAS-BOT-BC218436  Glehnia littoralis subsp. leiocarpa John Thomas Howell 1947-6-18 23279 Marin Near Dillon's Beach. Comment
  CAS-BOT-BC219428  Nemophila parviflora John Thomas Howell 1948-5-31 24322 Marin Devils Gulch near Camp Taylor Comment
  CAS-BOT-BC220171  Monardella sinuata subsp. nigrescens John Thomas Howell; Catherine Best; Wilma Follette; Gordon H. True 1980-6-19 53725 Marin Near Abbotts Lagoon, Point Reyes Peninsula Comment
  CAS-BOT-BC220396  Monardella purpurea John Thomas Howell 1939-6-25 14808 Marin Mt. Tamalpais above Cascade Canyon 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-BC220420  Monardella purpurea John Thomas Howell 1939-6-25 14791 Marin Summit Ave., Mill Valley Comment
  CAS-BOT-BC220534  Monardella villosa John Thomas Howell 1946-5-19 21903 Marin Fairfax Comment
  CAS-BOT-BC22126  Carex harfordii John Thomas Howell; J. W. Stacey 1936-6-7 12643 Marin Ledum Swamp on road to Point Reyes. Comment
  CAS-BOT-BC22127  Carex harfordii John Thomas Howell 1944-7-2 s.n. Marin Potrero Meadow, Mt. Tamalpais. Comment
  CAS-BOT-BC22129  Carex harfordii John Thomas Howell 1944-7-9 19694 Marin Inverness Ridge. Comment
  CAS-BOT-BC22133  Carex harfordii John Thomas Howell 1946-6-2 21968 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-BC22137  Carex harfordii John Thomas Howell 1944-6-4 19575 Marin Inverness Ridge west of Inverness. 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-BC221856  Stenotaphrum secundatum John Thomas Howell 1944-10-1 20766 Marin Fairfax Comment
  CAS-BOT-BC222725  Perideridia gairdneri subsp. gairdneri John Thomas Howell 1939-10-1 15367 Marin Near Lake Lagunitas Comment
  CAS-BOT-BC222726  Perideridia gairdneri subsp. gairdneri John Thomas Howell 1947-6-18 23272 Marin 3 miles east of Tomales Comment
  CAS-BOT-BC22322  Carex harfordii John Thomas Howell 1944-6-4 19575 Marin Inverness Ridge west of Inverness. Comment
  CAS-BOT-BC223888  Cistus incanus John Thomas Howell 1939-9-3 15335 Marin At Black Point Comment
  CAS-BOT-BC223997  Helianthemum scoparium John Thomas Howell 1947-5-18 23180 Marin Carson Ridge Comment
  CAS-BOT-BC224497  Cuscuta californica John Thomas Howell 1942-7-5 17010 Marin Fern Canyon, Mt. Tamalpais Comment
  CAS-BOT-BC224501  Cuscuta californica John Thomas Howell 1946-7-7 22194 Marin South of Barths Retreat, Mt. Tamalpais Comment
  CAS-BOT-BC224503  Cuscuta californica John Thomas Howell 1943-5-15 18073 Marin Tiburon Peninsula Comment
  CAS-BOT-BC224505  Cuscuta californica John Thomas Howell 1946-6-23 22121 Marin Carson Ridge Comment
  CAS-BOT-BC224508  Cuscuta californica John Thomas Howell 1942-6-21 16986 Marin Carson Ridge Comment
  CAS-BOT-BC224517  Ribes menziesii John Thomas Howell 1944-5-14 19462 Marin Salmon Creek Canyon Comment
  CAS-BOT-BC224723  Calystegia purpurata subsp. saxicola John Thomas Howell 1947-6-18 23285 Marin North of Dillons Beach Comment
  CAS-BOT-BC224726  Calystegia purpurata subsp. saxicola John Thomas Howell 1947-5-14 23168 Marin McClure Beach Comment
  CAS-BOT-BC225478  Gilia millefoliata John Thomas Howell 1946-6-9 21997 Marin Abbotts Lagoon Comment
  CAS-BOT-BC229382  Abronia umbellata John Thomas Howell 1947-5-14 23157 Marin McClure Beach Comment
  CAS-BOT-BC22949  Agoseris heterophylla John Thomas Howell 1947-4-27 23102 Marin Bald Mt. west of San Anselmo 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-BC23218  Arctostaphylos glandulosa subsp. glandulosa John Thomas Howell 1925-2-1 732 Marin South side of Mt. Tamalpais 457 Comment
  CAS-BOT-BC233238  Polypogon maritimus John Thomas Howell 1958-6-28 33637 Marin Near Willow Meadow, Mount Tamalpais Comment
  CAS-BOT-BC233239  Polypogon maritimus John Thomas Howell 1945-6-24 21236 Marin Willow Meadows, Mount Tamalpais Comment
  CAS-BOT-BC233240  Polypogon maritimus John Thomas Howell 1980-9-8 53893 Marin Bottom of Alpine Lake near Bon Tempe Lake Dam Comment
  CAS-BOT-BC23351  Arctostaphylos glandulosa subsp. cushingiana John Thomas Howell 1944-3-26 19356 Marin Pines west of Inverness Comment
  CAS-BOT-BC23355  Arctostaphylos glandulosa subsp. cushingiana John Thomas Howell 1946-5-16 21891 Marin Angel Island, N. side Comment
  CAS-BOT-BC23356  Arctostaphylos glandulosa subsp. cushingiana John Thomas Howell 1943-7-4 18272 Marin West of Inverness Comment
  CAS-BOT-BC23386  Arctostaphylos glandulosa subsp. cushingiana John Thomas Howell 1943-3-7 17883 Marin Hills northeast of San Rafael Comment
  CAS-BOT-BC23389  Arctostaphylos glandulosa subsp. cushingiana John Thomas Howell 1930-7-20 5376 Marin Hills just north of Phoenix Lake 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-BC233957  Calandrinia breweri John Thomas Howell 1946-5-12 21801 Marin Carson Ridge Comment
  CAS-BOT-BC23396  Arctostaphylos glandulosa subsp. cushingiana John Thomas Howell 1970-5-17 46525 Marin Throckmorton Ridge, Mt. Tamalpais 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-BC234053  Elymus multisetus John Thomas Howell 1966-4-18 41519 Marin Gully just north of John Thomas Howell Botanical Garden, Tiburon Comment
  CAS-BOT-BC234055  Elymus multisetus John Thomas Howell 1941-6-10 16292 Marin Black Point Comment
  CAS-BOT-BC234058  Elymus multisetus John Thomas Howell 1942-6-21 16990 Marin Carson Ridge Comment
  CAS-BOT-BC234059  Elymus multisetus John Thomas Howell 1943-5-15 18072 Marin Tiburon Peninsula Comment
  CAS-BOT-BC234060  Elymus multisetus John Thomas Howell 1941-5-25 16231 Marin Between Potrero Meadow & Mountain Theatre, Mt. Tamalpais Comment
  CAS-BOT-BC234677  Symphoricarpos mollis John Thomas Howell 1939-5-21 s.n. Marin Shelter Cove, Tiburon Comment
  CAS-BOT-BC234680  Symphoricarpos mollis John Thomas Howell 1943-5-15 18088 Marin Tiburon Peninsula Comment
  CAS-BOT-BC235332  Sorghum halepense John Thomas Howell 1939-9-3 15344 Marin San Antonio Creek Comment
  CAS-BOT-BC235896  Keckiella corymbosa John Thomas Howell 1946-7-7 22187 Marin Above Bootjack, Mt. Tamalpais Comment
  CAS-BOT-BC236222  Poa secunda subsp. secunda John Thomas Howell 1946-5-16 21895 Marin Angel Island, N side Comment
  CAS-BOT-BC236224  Poa secunda subsp. secunda John Thomas Howell 1943-5-15 18093 Marin Tiburon Peninsula, S end Comment
  CAS-BOT-BC236612  Spartina foliosa John Thomas Howell 1957-9-15 32951 Marin Richardson Bay Comment
  CAS-BOT-BC236614  Spartina foliosa John Thomas Howell 1945-8-14 21413 Marin Burdell marshes Comment
  CAS-BOT-BC236912  Chloropyron maritimum subsp. palustre John Thomas Howell 1944-5-28 19518 Marin Salt marsh, Almonte 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-BC238419  Orthocarpus John Thomas Howell 1957-6-27 s.n. Marin Hearts Desire Beach, Tomales Bay State Park Comment
  CAS-BOT-BC238513  Triphysaria floribunda John Thomas Howell 1945-6-3 20914 Marin Near Inverness 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-BC240007  Scribneria bolanderi John Thomas Howell 1952-5-30 28317 Marin Along fire road between Mountain Theater and Potrero Meadow, 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-BC240508  Lonicera hispidula John Thomas Howell 1946-6-16 22084 Marin Pt. Reyes Station Comment
  CAS-BOT-BC241292  Castilleja latifolia John Thomas Howell 1930-4-20 4738 Marin Pt. Reyes Comment
  CAS-BOT-BC241297  Castilleja latifolia John Thomas Howell 1941-5-18 16190 Marin Stinson Beach Comment
  CAS-BOT-BC241300  Castilleja latifolia John Thomas Howell 1946-4-14 21617 Marin Near Tomales Comment
  CAS-BOT-BC241303  Castilleja latifolia John Thomas Howell 1947-6-18 23282 Marin North of Dillons Beach Comment
  CAS-BOT-BC241410  Lonicera japonica John Thomas Howell 1947-5-21 23190 Marin Tiburon Comment
  CAS-BOT-BC243544  Setaria parviflora John Thomas Howell 1946-9-8 22997 Marin Phoenix Lake, Mt. Tamalpais Comment
  CAS-BOT-BC243625  Setaria pumila John Thomas Howell 1954-10-21 30112 Marin Near Bootjack, Mt. Tamalpais Comment
  CAS-BOT-BC244211  Poa unilateralis John Thomas Howell 1944-6-4 19557 Marin Inverness Ridge W of Inverness Comment
  CAS-BOT-BC244215  Poa unilateralis John Thomas Howell 1946-5-26 21953 Marin Point Reyes Lighthouse Comment
  CAS-BOT-BC244526  Poa secunda subsp. secunda John Thomas Howell 1943-5-2 17931 Marin Big Carson Canyon Comment
  CAS-BOT-BC244529  Poa secunda subsp. secunda John Thomas Howell 1941-4-17 s.n. Marin Tiburon Peninsula Comment
  CAS-BOT-BC246654  Poa howellii John Thomas Howell 1941-5-25 16203 Marin Arturo Trail, Mt. Tamalpais Comment
  CAS-BOT-BC246657  Poa howellii John Thomas Howell 1944-5-14 19464 Marin Salmon Creek Canyon Comment
  CAS-BOT-BC246667  Poa howellii John Thomas Howell 1941-5-25 16201 Marin West Point to West Peak, Mt. Tamalpais Comment
  CAS-BOT-BC247324  Poa pratensis John Thomas Howell 1943-5-22 18116 Marin Fairfax Comment
  CAS-BOT-BC247327  Poa pratensis John Thomas Howell 1941-5-25 16217 Marin Rifle Camp, Mt. Tamalpais Comment
  CAS-BOT-BC24829  Arctostaphylos glandulosa subsp. cushingiana John Thomas Howell 1947-1-12 s.n Marin Above Muir Woods, south side of Mt. Tamalpais Comment
  CAS-BOT-BC24831  Arctostaphylos glandulosa subsp. cushingiana John Thomas Howell 1954-2-28 29128 Marin Lower part of Throckmorton Ridge near Matt Davis Trail, Mt. Tamalpais Comment
  CAS-BOT-BC24833  Arctostaphylos glandulosa subsp. cushingiana John Thomas Howell 1944-11-22 20768 Marin Inverness Ridge Comment
  CAS-BOT-BC24834  Arctostaphylos glandulosa subsp. cushingiana John Thomas Howell 1944-3-26 19354 Marin Inverness Ridge west of Inverness Comment
  CAS-BOT-BC24835  Arctostaphylos glandulosa subsp. cushingiana John Thomas Howell 1933-3-19 10866 A Marin Slopes at head of Muir Woods, Mt. Tamalpais Comment
  CAS-BOT-BC24836  Arctostaphylos glandulosa subsp. cushingiana John Thomas Howell 1933-3-19 10866 Marin At head of Marin Woods. Comment
  CAS-BOT-BC249140  Castilleja affinis John Thomas Howell 1969-5-5 45567 Marin Near Paradise Cove, Tiburon Peninsula Comment
  CAS-BOT-BC250600  Phalaris minor John Thomas Howell 1946-5-16 21856 Marin Angel Island, se. side Comment
  CAS-BOT-BC250601  Phalaris minor John Thomas Howell 1939-6-25 14805 Marin South side of Mt. Tamalpais above Cascade Canyon Comment
  CAS-BOT-BC250603  Phalaris minor John Thomas Howell 1944-5-28 19511 Marin Between Manzanita and Almonte Comment
  CAS-BOT-BC250723  Phalaris paradoxa John Thomas Howell 1943-5-30 18179 Marin Summit Ave., Mill Valley Comment
  CAS-BOT-BC253552  Phleum alpinum John Thomas Howell 1946-6-13 22052 Marin East of Dillons Beach Comment
  CAS-BOT-BC253944  Parapholis incurva John Thomas Howell 1944-5-28 19508 Marin Manzanita Comment
  CAS-BOT-BC254662  Poa douglasii John Thomas Howell 1945-8-5 21369 Marin Stinson Beach Comment
  CAS-BOT-BC255853  Poa kelloggii John Thomas Howell 1950-5-18 26311 Marin Lagunitas Creek near Camp Taylor Comment
  CAS-BOT-BC258787  Pennisetum clandestinum John Thomas Howell 1965-10-13 41415 Marin John Thomas Howell Botanical Garden, Tiburon Comment
  CAS-BOT-BC258839  Phalaris angusta John Thomas Howell 1947-6-18 23266 Marin Laguna, Chileno Valley 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-BC259069  Phalaris lemmonii John Thomas Howell 1947-5-4 23136 Marin San Rafael Comment
  CAS-BOT-BC259191  Eriogonum latifolium John Thomas Howell 1939-7-2 14825 Marin Ridge between Tennessee Cove and Pirates Cove Comment
  CAS-BOT-BC259494  Eriogonum luteolum var. caninum John Thomas Howell 1944-7-7 19683 Marin Between Lagunitas Meadows and Fairfax Comment
  CAS-BOT-BC259508  Eriogonum luteolum var. caninum John Thomas Howell 1958-6-28 33634 Marin South side of Alpine Lake, Mt. Tamalpais 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-BC259925  Nassella lepida John Thomas Howell 1944-5-14 19469 Marin Salmon Creek Canyon Comment
  CAS-BOT-BC259926  Nassella lepida John Thomas Howell 1940-5-12 15427 Marin Between Little Carson and Carson Ridge Comment
  CAS-BOT-BC259928  Nassella lepida John Thomas Howell 1945-5-6 20809 Marin San Rafael Hills Comment
  CAS-BOT-BC259929  Nassella lepida John Thomas Howell 1943-5-30 18195 Marin Azalea Flat, Mount Tamalpais Comment
  CAS-BOT-BC259934  Nassella lepida John Thomas Howell 1946-5-16 21896 Marin Angel Island, N side Comment
  CAS-BOT-BC259937  Nassella lepida John Thomas Howell 1946-5-19 21916 Marin Carson Ridge Comment
  CAS-BOT-BC260146  Nassella pulchra John Thomas Howell 1946-5-16 21849 Marin Angel Island, SE side Comment
  CAS-BOT-BC260148  Nassella pulchra John Thomas Howell 1941-6-8 16251 Marin Hills NE of San Rafael [San Rafael Hills] Comment
  CAS-BOT-BC260149  Nassella pulchra John Thomas Howell 1941-5-25 16211 Marin Rifle Camp, Mount Tamalpais Comment
  CAS-BOT-BC260150  Nassella pulchra John Thomas Howell 1966-4-18 41487 Marin Just S of church, John Thomas Howell Botanical Garden, Tiburon Comment
  CAS-BOT-BC260151  Nassella pulchra John Thomas Howell 1966-4-18 41487 Marin Just S of church, John Thomas Howell Botanical Garden, Tiburon Comment
  CAS-BOT-BC260166  Nassella pulchra John Thomas Howell 1938-5-22 13794 Marin San Anselmo Canyon Comment
  CAS-BOT-BC260952  Pleuropogon californicus var. californicus John Thomas Howell 1941-6-10 16280 Marin Near Black Point Comment
  CAS-BOT-BC260954  Pleuropogon californicus var. californicus John Thomas Howell 1945-5-9 20828 Marin Between Hamilton Field and Ignacio Comment
  CAS-BOT-BC262517  Melica torreyana John Thomas Howell 1933-4-30 11186 Marin North side of Mt. Tamalpais Comment
  CAS-BOT-BC262520  Melica torreyana John Thomas Howell 1941-5-25 16240 Marin Near Bootjack, Mt. Tamalpais Comment
  CAS-BOT-BC262528  Melica torreyana John Thomas Howell 1939-5-14 14658 Marin Ross Comment
  CAS-BOT-BC262529  Melica torreyana John Thomas Howell 1943-5-9 17982 Marin San Rafael hills Comment
  CAS-BOT-BC262542  Melica torreyana John Thomas Howell 1941-5-25 16202 Marin Arturo Trail, Mt. Tamalpais 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-BC265641  Paspalum distichum John Thomas Howell 1965-10-13 41404 Marin John Thomas Howell Botanical Garden, Tiburon Comment
  CAS-BOT-BC265643  Paspalum distichum John Thomas Howell 1943-7-4 18280 Marin Near Inverness 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-BC265769  Phalaris aquatica John Thomas Howell 1945-7-1 21266 Marin Tiburon Comment
  CAS-BOT-BC265770  Phalaris aquatica John Thomas Howell 1946-6-13 22018 Marin Ignacio Comment
  CAS-BOT-BC265771  Phalaris aquatica John Thomas Howell 1945-8-12 21381 Marin Above salt marsh, Tiburon Comment
  CAS-BOT-BC265858  Phalaris canariensis John Thomas Howell 1943-5-22 18123 Marin Deer Park near Fairfax Comment
  CAS-BOT-BC267190  Potamogeton foliosus John Thomas Howell 1946-7-4 s.n. Marin Back of Dillons Beach Comment
  CAS-BOT-BC268919  Eriogonum nudum var. auriculatum John Thomas Howell 1941-6-8 16260 Marin Hills ne. of San Rafael Comment
  CAS-BOT-BC268924  Eriogonum nudum var. auriculatum John Thomas Howell 1945-7-8 21288 Marin San Antonio Station Comment
  CAS-BOT-BC268931  Eriogonum nudum var. auriculatum John Thomas Howell 1926-10-20 2224 Marin Near Alto Comment
  CAS-BOT-BC268933  Eriogonum nudum var. auriculatum John Thomas Howell 1939-9-10 15361 Marin Stinson Beach Comment
  CAS-BOT-BC269153  Lolium temulentum John Thomas Howell 1943-5-9 s.n. Marin San Raphael [Rafael] Comment
  CAS-BOT-BC270540  Calycadenia multiglandulosa John Thomas Howell 1946-6-20 22109 Marin 4 miles S of Olema Comment
  CAS-BOT-BC270568  Calycadenia multiglandulosa John Thomas Howell 1946-9-15 23009 Marin Rocky Ridge Fire Trail, Mount Tamalpais Comment
  CAS-BOT-BC271764  Melica californica John Thomas Howell 1941-5-25 16214 Marin Rifle Camp, Mt. Tamalpais Comment
  CAS-BOT-BC27201  Arctostaphylos cushingiana f. repens John Thomas Howell 1944-6-4 19537 Marin Inverness Ridge Comment
  CAS-BOT-BC27203  Arctostaphylos cushingiana f. repens John Thomas Howell 1944-6-4 19537 Marin Inverness Ridge Comment
  CAS-BOT-BC27204  Arctostaphylos cushingiana f. repens John Thomas Howell 1944-3-26 19353 Marin Inverness Ridge W of Inverness Comment
  CAS-BOT-BC272228  Leymus pacificus John Thomas Howell 1947-6-4 23222 Marin Pt. Reyes Peninsula Comment
  CAS-BOT-BC272229  Leymus pacificus John Thomas Howell 1948-6-6 24335 Marin Stinson Beach Comment
  CAS-BOT-BC273524  Hordeum vulgare John Thomas Howell 1945-6-3 20918 Marin Near Inverness Comment
  CAS-BOT-BC274487  Leymus triticoides John Thomas Howell 1939-5-21 s.n. Marin West side, Tiburon Peninsula 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-BC278333  Festuca californica subsp. californica John Thomas Howell 1938-6-19 13920 Marin Bootjack, Mt. Tamalpais Comment
  CAS-BOT-BC278442  Festuca idahoensis John Thomas Howell 1944-5-21 19492 Marin Lagunitas Meadows, Mt. Tamalpais Comment
  CAS-BOT-BC278444  Festuca idahoensis John Thomas Howell 1942-6-21 16996 Marin Carson Ridge Comment
  CAS-BOT-BC27846  Calamagrostis ophitidis John Thomas Howell 1941-6-29 16334 Marin Between Rock Spring and Laurel Dell, Mt. Tamalpais Comment
  CAS-BOT-BC27856  Blennosperma nanum var. robustum John Thomas Howell 1947-5-14 23153 Marin Pt. Reyes Peninsula above McClure Beach 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-BC278821  Festuca occidentalis John Thomas Howell 1946-6-2 21989 Marin Lake Lagunitas, Mt. Tamalpais Comment
  CAS-BOT-BC278823  Festuca occidentalis John Thomas Howell 1945-5-27 20888 Marin Railroad grade at Fern Canyon, Mt. Tamalpais 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-BC278988  Festuca rubra John Thomas Howell 1941-6-29 16331 Marin Between Rock Spring and Laurel Dell, Mt. Tamalpais Comment
  CAS-BOT-BC278989  Festuca rubra John Thomas Howell 1944-6-4 19561 Marin Near Mt. Vision west of Inverness Comment
  CAS-BOT-BC278997  Festuca rubra John Thomas Howell 1944-6-4 19556 Marin Inverness Ridge west of Inverness Comment
  CAS-BOT-BC279965  Cirsium douglasii var. douglasii John Thomas Howell 1947-6-18 23286 Marin North of Dillons Beach Comment
  CAS-BOT-BC280464  Cirsium quercetorum John Thomas Howell 1946-5-16 21885 Marin Angel Island Comment
  CAS-BOT-BC280467  Cirsium quercetorum John Thomas Howell 1943-6-6 18200 Marin Between Mill Valley and Muir Woods Comment
  CAS-BOT-BC280754  Holcus lanatus John Thomas Howell 1943-6-13 s.n. Marin Sausalito Comment
  CAS-BOT-BC281332  Melica harfordii John Thomas Howell 1938-6-19 13928 Marin Near Rattlesnake, Mt Tamalpais Comment
  CAS-BOT-BC281334  Melica harfordii John Thomas Howell 1941-5-25 16204 Marin Arturo Trail, Mt Tamalpais 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-BC282146  Melica geyeri John Thomas Howell 1947-5-18 23185 Marin Lagunitas Meadows at foot of Berry Trail Comment
  CAS-BOT-BC282148  Melica geyeri John Thomas Howell 1943-5-2 s.n. Marin Big Carson Canyon Comment
  CAS-BOT-BC282149  Melica geyeri John Thomas Howell 1941-5-25 16227 Marin Potrero Meadow, Mount Tamalpais Comment
  CAS-BOT-BC282151  Melica geyeri John Thomas Howell 1943-5-22 18118 Marin Fairfax Comment
  CAS-BOT-BC282503  Festuca elmeri John Thomas Howell 1944-7-7 s.n. Marin Camp Handy, Mt. Tamalpais Comment
  CAS-BOT-BC282506  Festuca elmeri John Thomas Howell 1947-5-4 23121 Marin San Rafael Hills Comment
  CAS-BOT-BC282508  Festuca elmeri John Thomas Howell 1945-5-13 20860 Marin Fairfax Hills n. of Phoenix Lake Comment
  CAS-BOT-BC282509  Festuca elmeri John Thomas Howell 1939-5-14 14665 Marin Between Phoenix Lake and Lake Lagunitas Comment
  CAS-BOT-BC282512  Festuca elmeri John Thomas Howell 1945-5-27 20878 Marin Bootjack, Mt. Tamalpais Comment
  CAS-BOT-BC282629  Gastridium phleoides John Thomas Howell 1946-5-16 s.n. Marin Angel Island Comment
  CAS-BOT-BC282800  Glyceria leptostachya John Thomas Howell 1946-6-16 22077 Marin Olema Marshes Comment
  CAS-BOT-BC282803  Glyceria leptostachya John Thomas Howell 1939-7-2 14823 Marin Elk Valley 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-BC283521  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-BC28383  Carex gracilior John Thomas Howell 1946-5-16 21870 Marin Angel Island, S side. Comment
  CAS-BOT-BC28384  Carex gracilior John Thomas Howell 1946-5-4 21717 Marin East of Aurora School at Sonoma Co. line. Comment
  CAS-BOT-BC28385  Carex gracilior John Thomas Howell 1943-4-11 17898 Marin Black Canyon, San Rafael Hills. Comment
  CAS-BOT-BC284135  Eragrostis pectinacea var. pectinacea John Thomas Howell 1954-9-23 30109 Marin Milton H. Esberg place, Ross Comment
  CAS-BOT-BC284997  Hordeum depressum John Thomas Howell 1966-4-18 41491 Marin John Thomas Howell Botanical Garden, Tiburon Comment
  CAS-BOT-BC285599  Cirsium occidentale var. occidentale John Thomas Howell 1941-5-18 16188 Marin Stinson Beach Comment
  CAS-BOT-BC285602  Cirsium occidentale var. occidentale John Thomas Howell 1945-7-4 21273 Marin Inverness Ridge Comment
  CAS-BOT-BC285604  Cirsium occidentale var. occidentale John Thomas Howell 1946-5-16 21879 Marin Angel Island, s. side Comment
  CAS-BOT-BC285607  Cirsium occidentale var. occidentale John Thomas Howell 1941-5-18 16195 Marin Near Bootjack, Mt. Tamalpais 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-BC286135  Conyza canadensis John Thomas Howell 1939-6-18 14768 Marin Near Mud Lake Comment
  CAS-BOT-BC286375  Cirsium occidentale var. occidentale John Thomas Howell 1939-6-25 14801 Marin Summit Avenue, Mill Valley Comment
  CAS-BOT-BC286376  Cirsium occidentale var. occidentale John Thomas Howell 1942-5-16 16956 Marin Sausalito Hills 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-BC286528  Cirsium occidentale var. venustum John Thomas Howell 1939-6-25 14790 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-BC28669  Achillea millefolium John Thomas Howell 1944-7-23 19850 Marin Santa Venetia Comment
  CAS-BOT-BC287390  Deinandra corymbosa John Thomas Howell 1941-6-8 16252 Marin Hills NE of San Rafael Comment
  CAS-BOT-BC287391  Deinandra corymbosa John Thomas Howell 1944-6-25 19650 Marin Santa Venetia Comment
  CAS-BOT-BC287393  Deinandra corymbosa John Thomas Howell 1939-9-3 15336 Marin Near Black Point Comment
  CAS-BOT-BC288684  Cirsium quercetorum John Thomas Howell 1939-6-4 14718 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-BC288691  Cirsium quercetorum John Thomas Howell 1946-5-16 21878 A Marin Angel Island Comment
  CAS-BOT-BC288736  Cirsium remotifolium John Thomas Howell 1939-6-25 14799 Marin Summit Avenue, Mill Valley Comment
  CAS-BOT-BC288740  Cirsium remotifolium John Thomas Howell 1949-6-12 25349 Marin Corte Madera Ridge, Mt Tamalpais Comment
  CAS-BOT-BC288743  Cirsium remotifolium John Thomas Howell 1946-5-16 21878 Marin Angel Island, S side Comment
  CAS-BOT-BC288746  Cirsium remotifolium John Thomas Howell 1939-6-25 14796 Marin Summit Avenue, Mill Valley Comment
  CAS-BOT-BC288751  Cirsium remotifolium John Thomas Howell 1939-6-25 14799 Marin Summit Avenue, Mill Valley Comment
  CAS-BOT-BC289345  Hordeum murinum subsp. glaucum John Thomas Howell 1949-4-24 25307 Marin Fort McDowll, Angel Island Comment
  CAS-BOT-BC289346  Hordeum murinum subsp. glaucum John Thomas Howell 1949-4-24 25307 Marin Fort McDowll, Angel Island Comment
  CAS-BOT-BC289348  Hordeum murinum subsp. glaucum John Thomas Howell 1949-4-6 25294 Marin Hamilton Field Comment
  CAS-BOT-BC289500  Hordeum brachyantherum subsp. californicum John Thomas Howell 1943-5-15 18068 Marin Tiburon Peninsula 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-BC292750  Cirsium occidentale var. venustum John Thomas Howell 1940-5-26 15519 Marin San Anselmo Canyon Comment
  CAS-BOT-BC292751  Cirsium occidentale var. venustum John Thomas Howell 1930-7-20 5386 Marin Wheeler Trail above Mill Valley, Mt. Tamalpais Comment
  CAS-BOT-BC299922  Erechtites minimus John Thomas Howell 1944-7-30 19857 Marin Almonte 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-BC301193  Eriophyllum lanatum var. arachnoideum John Thomas Howell 1930-4-20 4737 Marin Pt. Reyes Comment
  CAS-BOT-BC301211  Eriophyllum lanatum var. arachnoideum John Thomas Howell 1942-6-21 16985 Marin Carson Ridge Comment
  CAS-BOT-BC301937  Eriophyllum staechadifolium John Thomas Howell 1946-5-16 21862 Marin Angel Island, se. side Comment
  CAS-BOT-BC302622  Gnaphalium palustre John Thomas Howell 1946-9-20 23024 Marin Marin-Sonoma county line, east of Aurora School Comment
  CAS-BOT-BC302624  Gnaphalium palustre John Thomas Howell; C. Best; W. Follette; G. H. True 1980-6-19 53727 Marin Near Abbotts Lagoon, Point Reyes Peninsula Comment
  CAS-BOT-BC30423  Achyrachaena mollis John Thomas Howell 1945-5-9 20824 Marin Between Hamilton Field and Ignacio Comment
  CAS-BOT-BC30424  Achyrachaena mollis John Thomas Howell 1969-5-5 45569 Marin Ring Hill, Tiburon Peninsula Comment
  CAS-BOT-BC304430  Grindelia hirsutula John Thomas Howell 1933-7-30 11482 Marin At Inverness Comment
  CAS-BOT-BC304433  Grindelia hirsutula John Thomas Howell 1944-7-9 19719 Marin South of Tomales Bay Comment
  CAS-BOT-BC304439  Grindelia hirsutula John Thomas Howell 1933-10-8 11710 Marin Pt. Reyes Peninsula Comment
  CAS-BOT-BC304440  Grindelia hirsutula John Thomas Howell 1939-6-4 14713 Marin Pt. Reyes lighthouse Comment
  CAS-BOT-BC304458  Grindelia hirsutula John Thomas Howell 1933-7-30 11486 Marin Shores of Bolinas Bay Comment
  CAS-BOT-BC304461  Grindelia hirsutula John Thomas Howell 1939-7-2 14834 Marin Pirates Cove Comment
  CAS-BOT-BC304463  Grindelia hirsutula John Thomas Howell 1939-7-16 14854 Marin Between Mt. Theater and Bootjack, Mt. Tamalpais Comment
  CAS-BOT-BC304470  Grindelia hirsutula John Thomas Howell 1944-6-25 19673 Marin Between McNear's Landing and San Rafael Comment
  CAS-BOT-BC304473  Grindelia hirsutula J. T. Howell 1933-7-23 s.n. Marin Sausalito Hills 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-BC304479  Grindelia hirsutula John Thomas Howell 1933-7-23 11455 Marin Sausalito Hills Comment
  CAS-BOT-BC304487  Grindelia hirsutula John Thomas Howell 1933-7-30 11484 Marin Shores of Bolinas Bay Comment
  CAS-BOT-BC304490  Grindelia hirsutula John Thomas Howell 1946-8-23 22889 Marin Pierce Pt. road, Pt. Reyes Peninsula Comment
  CAS-BOT-BC304493  Grindelia hirsutula John Thomas Howell 1945-7-4 21272 Marin Inverness Ridge Comment
  CAS-BOT-BC304498  Grindelia hirsutula John Thomas Howell 1933-11-19 11721 Marin Ignacio Comment
  CAS-BOT-BC304815  Grindelia hirsutula J. T. Howell 1933-10-8 11701 Marin Pt. Reyes Comment
  CAS-BOT-BC305351  Helianthus annuus John Thomas Howell 1946-9-20 23011 Marin Novato Comment
  CAS-BOT-BC306194  Hemizonia congesta subsp. congesta John Thomas Howell 1945-7-29 21337 Marin Bolinas 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-BC309450  Helenium puberulum John Thomas Howell 1946-6-30 22158 Marin Rodeo Lagoon Comment
  CAS-BOT-BC309607  Hemizonia congesta subsp. lutescens John Thomas Howell 1946-9-8 22990 Marin Near Ignacio Comment
  CAS-BOT-BC309636  Hemizonia congesta subsp. lutescens John Thomas Howell 1944-5-14 19455 Marin Pt. Reyes Station 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-BC310218  Hesperevax sparsiflora var. sparsiflora John Thomas Howell 1946-5-12 21775 Marin South end of Carson Ridge 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-BC311042  Heterotheca oregona var. oregona John Thomas Howell 1939-9-3 15332 Marin Corte Madera salt marsh Comment
  CAS-BOT-BC311172  Heterotheca sessiliflora subsp. bolanderi John Thomas Howell 1939-7-2 14831 Marin Ridge between Tennessee Cove and Pirates Cove 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-BC314420  Grindelia hirsutula John Thomas Howell 1949-10-9 26300 Marin Salt marsh bordering San Francisco Bay at north end of Tiburon 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-BC314454  Grindelia hirsutula John Thomas Howell 1966-7-20 41990 Marin Area adjacent to the John Thomas Howell Botanical Garden, Tiburon Comment
  CAS-BOT-BC314457  Grindelia hirsutula John Thomas Howell 1946-6-13 22038 Marin Chileno Valley 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-BC31654  Carex lyngbyei John Thomas Howell 1949-5-22 25323 Marin Salt marsh, 1 mi S of Inverness. Comment
  CAS-BOT-BC31655  Carex lyngbyei John Thomas Howell 1949-5-22 25323 Marin Salt marsh, 1 mi S of Inverness. Comment
  CAS-BOT-BC31656  Carex lyngbyei John Thomas Howell 1949-5-22 25323 Marin Salt marsh, 1 mi S of Inverness. Comment
  CAS-BOT-BC321791  Layia gaillardioides John Thomas Howell 1947-4-27 23091 Marin Bald Mt. west of San Anselmo Comment
  CAS-BOT-BC322601  Micropus amphibolus John Thomas Howell 1946-5-16 21871 Marin S. side, Angel Island Comment
  CAS-BOT-BC322603  Micropus amphibolus John Thomas Howell 1944-4-13 19387 Marin Big Rock Ridge west of Hamilton Field Comment
  CAS-BOT-BC322606  Micropus amphibolus John Thomas Howell 1943-5-22 18148 Marin Fairfax Hills 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-BC322737  Microseris paludosa John Thomas Howell 1944-5-27 19501 Marin Summit Avenue ridge, Mt. Tamalpais Comment
  CAS-BOT-BC322742  Microseris paludosa John Thomas Howell 1946-6-13 22054 Marin East of Dillons Beach Comment
  CAS-BOT-BC323977  Layia chrysanthemoides John Thomas Howell 1944-5-14 19474 Marin Chileno Valley Comment
  CAS-BOT-BC324138  Lessingia hololeuca John Thomas Howell 1926-9-9 2192 Marin Baltimore Park Comment
  CAS-BOT-BC324140  Lessingia hololeuca John Thomas Howell 1926-10-20 2223 Marin Corte Madera Comment
  CAS-BOT-BC324141  Lessingia hololeuca John Thomas Howell 1945-9-2 21452 Marin San Rafael Hills Comment
  CAS-BOT-BC324149  Lessingia hololeuca John Thomas Howell 1945-9-2 21452 Marin San Rafael Hills Comment
  CAS-BOT-BC324151  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-BC324159  Lessingia hololeuca John Thomas Howell 1945-9-16 21484 Marin North of San Rafael & E of Santa Venetia Comment
  CAS-BOT-BC324160  Lessingia hololeuca John Thomas Howell 1947-9-6 24178 Marin Chileno Valley Comment
  CAS-BOT-BC327983  Pentachaeta alsinoides John Thomas Howell 1947-4-27 23099 Marin Bald Mt. west of San Anselmo Comment
  CAS-BOT-BC327985  Pentachaeta alsinoides John Thomas Howell 1947-5-4 23118 Marin San Rafael Hills Comment
  CAS-BOT-BC338177  Lasthenia californica John Thomas Howell 1946-4-14 21635 Marin Near Dillons Beach Comment
  CAS-BOT-BC34028  Carex brevicaulis John Thomas Howell 1944-4-2 19359 Marin Bolinas Ridge. 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-BC341499  Lagophylla ramosissima John Thomas Howell 1944-6-25 19656 Marin Santa Venetia Comment
  CAS-BOT-BC342210  Logfia filaginoides John Thomas Howell 1943-4-11 17899 Marin Black Canyon, San Rafael hills Comment
  CAS-BOT-BC342629  Madia anomala John Thomas Howell 1947-4-27 23097 Marin Bald Mt. west of San Anselmo Comment
  CAS-BOT-BC342632  Madia anomala John Thomas Howell 1943-5-22 18136 Marin Fairfax hills Comment
  CAS-BOT-BC343084  Madia gracilis John Thomas Howell 1930-7-20 5371 Marin Slopes near Phoenix Lake Comment
  CAS-BOT-BC343087  Madia gracilis John Thomas Howell 1946-5-25 21931 Marin Greenbrae Hills Comment
  CAS-BOT-BC343090  Madia gracilis John Thomas Howell 1939-6-18 14777 Marin Near Mud Lake Comment
  CAS-BOT-BC343605  Madia sativa John Thomas Howell 1945-7-15 21293 Marin Ridgecrest Blvd. at Fairfax city limits Comment
  CAS-BOT-BC343606  Madia sativa John Thomas Howell 1946-5-25 21930 Marin Greenbrae Hills Comment
  CAS-BOT-BC343620  Madia sativa John Thomas Howell 1939-7-2 s.n. Marin Elk Valley Comment
  CAS-BOT-BC34391  Carex cusickii John Thomas Howell 1942-7-12 17021 Marin Potrero Meadows, Mt. Tamalpais. Comment
  CAS-BOT-BC34393  Carex cusickii John Thomas Howell 1938-6-5 13902 Marin Rock Spring, Mt. Tamalpais. Comment
  CAS-BOT-BC348741  Microseris bigelovii John Thomas Howell 1943-5-22 18150 Marin Fairfax Hills Comment
  CAS-BOT-BC348745  Microseris bigelovii John Thomas Howell 1946-5-16 21859 Marin Angel Island, se. side Comment
  CAS-BOT-BC348751  Microseris bigelovii J. T. Howell 1946-5-19 21910 Marin Meadows Club, Fairfax Hills Comment
  CAS-BOT-BC348927  Microseris douglasii subsp. douglasii John Thomas Howell 1946-5-12 21825 Marin Carson country 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-BC348931  Microseris douglasii subsp. douglasii John Thomas Howell 1941-5-25 16221 Marin Potrero Meadow, Mt. Tamalpais Comment
  CAS-BOT-BC348933  Microseris douglasii subsp. douglasii John Thomas Howell 1939-5-14 14671 Marin Lake Lagunitas Meadows Comment
  CAS-BOT-BC348936  Microseris douglasii subsp. douglasii John Thomas Howell 1941-5-25 16221 Marin Potrero Meadow, Mt. Tamalpais Comment
  CAS-BOT-BC348938  Microseris douglasii subsp. douglasii John Thomas Howell 1946-5-14 21837 Marin Between Barths 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-BC35002  Carex densa John Thomas Howell 1937-6-13 13054 Marin Bolinas. Comment
  CAS-BOT-BC35008  Carex densa John Thomas Howell 1943-5-2 17935 Marin Big Carson Canyon. Comment
  CAS-BOT-BC35012  Carex densa John Thomas Howell; J. W. Stacey 1936-6-7 12659 Marin Mill Valley. Comment
  CAS-BOT-BC35018  Carex densa John Thomas Howell 1943-5-15 18077 Marin Tiburon Peninsula. Comment
  CAS-BOT-BC35020  Carex densa John Thomas Howell 1944-4-23 19402 Marin Hills SE of Kentfield. Comment
  CAS-BOT-BC35022  Carex densa John Thomas Howell 1944-7-2 s.n. Marin Mt. Tamalpais. Potrero Meadow. Comment
  CAS-BOT-BC35028  Carex densa John Thomas Howell 1946-6-13 22055 Marin Esters School north of Dillon Beach. Comment
  CAS-BOT-BC355185  Lasthenia glaberrima John Thomas Howell 1941-6-10 16305 Marin 9 miles west of Novato Comment
  CAS-BOT-BC355188  Lasthenia glaberrima John Thomas Howell 1944-5-21 19495 Marin Lagunitas Meadows, Mt. Tamalpais Comment
  CAS-BOT-BC355476  Lasthenia glaberrima John Thomas Howell 1946-4-18 21642 Marin Ignacio Comment
  CAS-BOT-BC355478  Lasthenia glaberrima John Thomas Howell 1945-5-9 20827 Marin Between Hamilton Field and Ignacio 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-BC356729  Pseudognaphalium californicum John Thomas Howell 1941-5-18 s.n. Marin Stinson Beach Comment
  CAS-BOT-BC356737  Pseudognaphalium californicum John Thomas Howell 1943-5-9 17956 Marin Black Canyon, San Rafael hills Comment
  CAS-BOT-BC36111  Lithocarpus densiflorus var. densiflorus John Thomas Howell 1927-8-22 3036 Marin near West Point, Mt. Tamalpais 518 Comment
  CAS-BOT-BC36114  Lithocarpus densiflorus var. densiflorus John Thomas Howell 1947-5-25 23206 Marin Berry Trail, Mt. Tamalpais 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-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-BC363327  Senecio aronicoides John Thomas Howell 1946-4-21 21685 Marin Down near radio station, Pt. Reyes Peninsula Comment
  CAS-BOT-BC363709  Senecio hydrophilus John Thomas Howell 1946-6-13 22029 Marin Chileno Valley Comment
  CAS-BOT-BC364231  Senecio sylvaticus John Thomas Howell 1947-10-19 24192 Marin Strand of Alpine Lake Comment
  CAS-BOT-BC36466  Chrysolepis chrysophylla var. minor John Thomas Howell 1947-7-6 23327 Marin Eldridge Grade above Phoenix Lake, Mt. Tamalpais 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-BC365450  Solidago elongata John Thomas Howell 1946-6-30 22155 Marin Rodeo Lagoon Comment
  CAS-BOT-BC366967  Lasthenia minor John Thomas Howell 1930-4-20 4733 Marin Pt Reyes Comment
  CAS-BOT-BC37472  Cardamine californica John Thomas Howell 1939-4-23 14612 Marin Mount Tamalpais. Corte Madera Ridge. 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-BC375825  Stephanomeria virgata John Thomas Howell 1945-7-15 21295 Marin Fairfax Hills Comment
  CAS-BOT-BC37915  Cardamine oligosperma John Thomas Howell 1946-5-4 21733 Marin Dillons Beach. Comment
  CAS-BOT-BC381915  Uropappus lindleyi John Thomas Howell 1947-4-27 23082 Marin Bald Mt. west of San Anselmo Comment
  CAS-BOT-BC381918  Uropappus lindleyi John Thomas Howell 1945-5-6 20802 Marin San Rafael Hills 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-BC384485  Silene antirrhina John Thomas Howell 1943-5-9 17983 Marin San Rafael hills Comment
  CAS-BOT-BC384486  Silene antirrhina John Thomas Howell 1943-4-11 17900 Marin Black Canyon, San Rafael hills Comment
  CAS-BOT-BC38521  Arctostaphylos montana subsp. montana John Thomas Howell 1926-2-28 1655 Marin Mt. Tamalpais on south side. Comment
  CAS-BOT-BC38540  Arctostaphylos montana subsp. montana John Thomas Howell 1930-7-20 5380 Marin Near Phoenix Lake. Comment
  CAS-BOT-BC38753  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1943-3-7 17880 Marin Hills northeast of San Rafael Comment
  CAS-BOT-BC38755  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1941-6-8 16265 Marin Hills NE of San Rafael Comment
  CAS-BOT-BC388682  Minuartia douglasii John Thomas Howell 1946-5-12 21782 Marin Carson Ridge Comment
  CAS-BOT-BC388984  Silene laciniata subsp. californica John Thomas Howell 1946-7-7 22209 Marin Potrero Meadow, Mt. Tamalpais Comment
  CAS-BOT-BC390344  Spergularia macrotheca var. macrotheca John Thomas Howell 1945-6-3 20938 Marin Shell Beach Comment
  CAS-BOT-BC390347  Spergularia macrotheca var. macrotheca John Thomas Howell 1945-6-3 20938 Marin Shell Beach Comment
  CAS-BOT-BC390816  Spergularia marina John Thomas Howell 1944-6-25 19649 Marin Santa Venetia Comment
  CAS-BOT-BC390818  Spergularia marina John Thomas Howell 1939-4-23 14608 Marin Blythedale Canyon, Mill Valley Comment
  CAS-BOT-BC390819  Spergularia marina John Thomas Howell 1944-9-10 20735 Marin Shell Beach north of Inverness Comment
  CAS-BOT-BC392044  Aquilegia eximia John Thomas Howell 1944-7-7 19681 Marin Camp Handy, Mt. Tamalpais Comment
  CAS-BOT-BC397713  Stellaria nitens John Thomas Howell 1947-4-27 23084 Marin Bald Mt. W of San Anselmo Comment
  CAS-BOT-BC400438  Aristolochia californica John Thomas Howell 1945-5-13 20864 Marin Deer Park near Fairfax Comment
  CAS-BOT-BC401396  Hypericum scouleri John Thomas Howell 1942-7-12 17029 Marin Potrero Meadows, Mt. Tamalpais Comment
  CAS-BOT-BC40223  Caulanthus lasiophyllus John Thomas Howell 1940-5-12 15429 Marin Between Little Carson and Carson Ridge. Comment
  CAS-BOT-BC40226  Caulanthus lasiophyllus John Thomas Howell 1943-4-11 17904 Marin Black Canyon, San Rafael hills. Comment
  CAS-BOT-BC40227  Caulanthus lasiophyllus John Thomas Howell 1943-4-11 17904 A Marin Black Canyon, San Rafael Hills. Comment
  CAS-BOT-BC40229  Caulanthus lasiophyllus John Thomas Howell 1966-4-18 41510 Marin Gully just north of John Thomas Howell Botanical Garden, Tiburon. Comment
  CAS-BOT-BC40231  Caulanthus lasiophyllus John Thomas Howell 1969-5-5 45573 Marin Ring Hill, Tiburon Peninsula. Comment
  CAS-BOT-BC403201  Eschscholzia californica John Thomas Howell 1944-6-4 19554 Marin Inverness Ridge west of Inverness Comment
  CAS-BOT-BC403845  Hesperocnide tenella John Thomas Howell 1944-7-9 19698 Marin Inverness Ridge Comment
  CAS-BOT-BC410140  Arceuthobium occidentale John Thomas Howell 1944-7-9 19686 Marin Inverness Ridge Comment
  CAS-BOT-BC418878  Persicaria hydropiperoides John Thomas Howell 1945-10-14 s.n. Marin Olema Marshes Comment
  CAS-BOT-BC418879  Persicaria hydropiperoides John Thomas Howell 1946-9-20 s.n. Marin Laguna in Chileno Valley Comment
  CAS-BOT-BC419022  Persicaria lapathifolia John Thomas Howell 1941-6-10 16278 Marin Near Black Point Comment
  CAS-BOT-BC419345  Persicaria punctata John Thomas Howell 1946-6-30 22167 Marin Rodeo Lagoon Comment
  CAS-BOT-BC421527  Rumex crassus John Thomas Howell 1944-9-24 20751 Marin East side Bolinas Lagoon Comment
  CAS-BOT-BC421531  Rumex crassus John Thomas Howell 1946-6-30 22138 Marin Rodeo Lagoon Comment
  CAS-BOT-BC422806  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-BC428001  Dudleya caespitosa John Thomas Howell 1945-8-19 21446 Marin At head of Drakes Bay Comment
  CAS-BOT-BC428003  Dudleya caespitosa John Thomas Howell 1939-7-2 14833 A Marin Pirates Cove Comment
  CAS-BOT-BC428128  Dudleya cymosa subsp. cymosa John Thomas Howell 1946-7-7 22188 Marin Above Bootjack, Mt. Tamalpais Comment
  CAS-BOT-BC428129  Dudleya cymosa subsp. cymosa John Thomas Howell 1943-5-22 18132 Marin Fairfax hills Comment
  CAS-BOT-BC428813  Micranthes californica John Thomas Howell 1946-3-24 21570 Marin Near country club, Fairfax Hills Comment
  CAS-BOT-BC433489  Rumex fueginus John Thomas Howell 1946-8-23 22882 Marin Pierce Pt. road, Pt. Reyes Peninsula Comment
  CAS-BOT-BC433720  Rumex occidentalis John Thomas Howell 1944-5-28 19517 Marin Almonte Comment
  CAS-BOT-BC433934  Rumex salicifolius John Thomas Howell 1946-7-7 22204 Marin Potrero Meadow, Mt. Tamalpais Comment
  CAS-BOT-BC434102  Rumex transitorius John Thomas Howell 1945-7-29 21335 Marin Bolinas Comment
  CAS-BOT-BC434104  Rumex transitorius John Thomas Howell 1946-6-30 22139 Marin Rodeo Lagoon Comment
  CAS-BOT-BC434119  Rumex transitorius John Thomas Howell 1926-10-20 2225 Marin Near Alto Comment
  CAS-BOT-BC434122  Rumex transitorius John Thomas Howell 1945-7-1 21261 Marin Tiburon Comment
  CAS-BOT-BC435651  Lithophragma heterophyllum John Thomas Howell 1944-4-13 19372 Marin Big Rock Ridge west of Hamilton Field Comment
  CAS-BOT-BC435653  Lithophragma heterophyllum John Thomas Howell 1943-4-11 17907 Marin Black Canyon, San Rafael hills 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-BC436406  Calystegia subacaulis John Thomas Howell 1946-5-25 21935 Marin Greenbrae HIlls Comment
  CAS-BOT-BC436501  Ligusticum apiifolium John Thomas Howell 1933-7-23 11459 Marin Sausalito Hills Comment
  CAS-BOT-BC437680  Asclepias speciosa John Thomas Howell 1945-6-24 21244 Marin Lagunitas Meadows, Mount Tamalpais Comment
  CAS-BOT-BC438424  Calandrinia ciliata John Thomas Howell 1946-4-13 21605 Marin Near Rock Spring, Mt. Tamalpais Comment
  CAS-BOT-BC438427  Calandrinia ciliata John Thomas Howell 1940-5-20 15503 Marin Pt. Reyes Comment
  CAS-BOT-BC439231  Claytonia exigua subsp. exigua John Thomas Howell 1946-5-19 21917 Marin Carson Ridge Comment
  CAS-BOT-BC443589  Claytonia perfoliata subsp. perfoliata John Thomas Howell 1939-4-23 14614 Marin Corte Madera Ridge, Mt. Tamalpais Comment
  CAS-BOT-BC44695  Arctostaphylos sensitiva John Thomas Howell 1926-2-28 1657 Marin South side of 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-BC451611  Lilaea scilloides John Thomas Howell 1944-5-28 19529 Marin Between Almonte and Mill Valley Comment
  CAS-BOT-BC451824  Triglochin maritima John Thomas Howell 1945-8-19 21435 Marin At head of Drakes Bay Comment
  CAS-BOT-BC451831  Triglochin maritima John Thomas Howell 1944-6-25 19659 Marin Between Santa Venetia and Chinese Camp Comment
  CAS-BOT-BC451835  Triglochin maritima John Thomas Howell 1957-9-15 32960 Marin Larkspur Comment
  CAS-BOT-BC451836  Triglochin maritima John Thomas Howell 1944-5-7 19448 Marin Larkspur salt marsh Comment
  CAS-BOT-BC451845  Triglochin maritima John Thomas Howell 1944-5-28 19519 Marin Almonte Comment
  CAS-BOT-BC451846  Triglochin maritima John Thomas Howell 1944-5-7 19449 Marin Larkspur salt marsh Comment
  CAS-BOT-BC451853  Triglochin maritima John Thomas Howell 1944-5-28 19509 Marin Manzanita Comment
  CAS-BOT-BC451965  Triglochin striata John Thomas Howell 1946-7-4 22178 Marin Dillons Beach Comment
  CAS-BOT-BC453526  Fragaria chiloensis John Thomas Howell 1926-2-21 1636 Marin Ocean bluffs at Point Reyes Comment
  CAS-BOT-BC45641  Quercus agrifolia John Thomas Howell 1959-8-23 34600 Marin Rock Spring and Laurel Dell, Mt. Tamalpais Comment
  CAS-BOT-BC46787  Arctostaphylos uva-ursi John Thomas Howell 1944-3-26 19350 Marin west of Ledum Swamp, Pt. Reyes Comment
  CAS-BOT-BC46804  Arctostaphylos virgata John Thomas Howell 1926-2-22 1640 Marin Inverness Ridge Comment
  CAS-BOT-BC46805  Arctostaphylos virgata John Thomas Howell 1933-3-19 10867 Marin head of Muir Woods, Mt. Tamalpais Comment
  CAS-BOT-BC46824  Arctostaphylos virgata John Thomas Howell 1944-3-26 19342 Marin Inverness Ridge Comment
  CAS-BOT-BC46842  Arctostaphylos virgata John Thomas Howell 1944-4-2 19362 Marin Bolinas Ridge Comment
  CAS-BOT-BC47436  Arctostaphylos viscida subsp. viscida John Thomas Howell 1945-1-21 20772 Marin San Rafael Hills Comment
  CAS-BOT-BC47772  Ceanothus John Thomas Howell 1930-12-28 5719 Marin Mt. Tamalpais above Mill Valley Comment
  CAS-BOT-BC49146  Ceanothus cuneatus var. ramulosus John Thomas Howell 1939-6-25 s.n. Marin Summit Ave. above Mill Valley Comment
  CAS-BOT-BC49147  Ceanothus cuneatus var. ramulosus John Thomas Howell 1941-6-29 16345 Marin Rock Spring Trail, Mt. Tamalpais Comment
  CAS-BOT-BC49149  Ceanothus cuneatus var. ramulosus John Thomas Howell 1938-6-19 13926 Marin Rattlesnake, Mt. Tamalpais Comment
  CAS-BOT-BC49958  Ceanothus gloriosus var. gloriosus John Thomas Howell 1964-3-19 s.n. Marin Tomales Bay State Park above Hearts Desire Beach Comment
  CAS-BOT-BC49988  Ceanothus gloriosus var. porrectus John Thomas Howell 1943-7-4 18265 Marin near Ledum Swamp Comment
  CAS-BOT-BC50661  Ceanothus jepsonii John Thomas Howell 1940-5-12 15434 Marin South end of Carson Ridge Comment
  CAS-BOT-BC50663  Ceanothus jepsonii John Thomas Howell 1926-2-28 1654 Marin Mt. Tamalpais - Rock Spring Trail Comment
  CAS-BOT-BC50669  Ceanothus jepsonii John Thomas Howell 1942-6-21 16992 Marin Carson Ridge Comment
  CAS-BOT-BC50949  Ceanothus foliosus var. foliosus John Thomas Howell 1946-5-25 21942 Marin Hills w. of Corte Madera Comment
  CAS-BOT-BC51419  Ceanothus masonii John Thomas Howell 1944-4-2 19365 Marin Bolinas Ridge Comment
  CAS-BOT-BC52936  Ceanothus thyrsiflorus John Thomas Howell 1949-5-15 25315 Marin Inverness Ridge w. of Inverness Comment
  CAS-BOT-BC52937  Ceanothus thyrsiflorus John Thomas Howell 1930-12-28 5714 Marin Lower slopes of Mt. Tamalpais, Mill Valley Comment
  CAS-BOT-BC54750  Erysimum concinnum John Thomas Howell; Catherine Best; Wilma Follette; Gordon H. True 1980-6-19 53726 Marin Near Abbotts Lagoon, Point Reyes Peninsula. Comment
  CAS-BOT-BC58884  Gaultheria shallon John Thomas Howell 1949-5-15 25318 Marin Inverness Ridge west of Inverness 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-BC61167  Streptanthus batrachopus John Thomas Howell 1939-5-14 14681 Marin East of Collier Spring, Mount Tamalpais. Comment
  CAS-BOT-BC61169  Streptanthus batrachopus John Thomas Howell 1942-6-21 16994 Marin Carson Ridge. Comment
  CAS-BOT-BC61171  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-BC61175  Streptanthus batrachopus John Thomas Howell 1941-7-6 16348 Marin Between Camp Zeische and Barth's Retreat, Mount Tamalpais. Comment
Read comments
Mar 22 2019
  CAS-BOT-BC61176  Streptanthus batrachopus John Thomas Howell 1958-6-28 33635 Marin South side of Alpine Lake west of Bon Tempe Dam, Mount Tamalpais. Comment
  CAS-BOT-BC62707  Quercus X chasei John Thomas Howell 1946-12-22 23035 Marin Green Brae Hills Comment
  CAS-BOT-BC62778  Quercus berberidifolia John Thomas Howell 1944-11-12 20767 Marin Black Canyon, San Rafael Hills Comment
  CAS-BOT-BC64423  Ceanothus foliosus John Thomas Howell 1948-5-16 24298 Marin Upper part of Cascade Canyon, Mt. Tamalpais. Comment
  CAS-BOT-BC65853  Aspidotis carlotta-halliae John Thomas Howell; Hans Leschke 1943-3-21 s.n. Marin near south end of Tiburon Comment
  CAS-BOT-BC65854  Aspidotis carlotta-halliae John Thomas Howell 1943-4-3 s.n. Marin Tiburon Peninsula near south end Comment
  CAS-BOT-BC65855  Aspidotis carlotta-halliae John Thomas Howell 1962-2-5 37077 Marin on Troop 80 Trail just east of Rattlesnake Camp, Mt. Tamalpais Comment
  CAS-BOT-BC65856  Aspidotis carlotta-halliae John Thomas Howell 1962-2-5 37076 Marin on Troop 80 Trail just east of Rattlesnake Camp, Mt. Tamalpais Comment
  CAS-BOT-BC65857  Aspidotis carlotta-halliae John Thomas Howell 1967-3-5 42037 Marin Near Rattlesnake Camp, Mt. Tamalpais Comment
  CAS-BOT-BC65859  Aspidotis carlotta-halliae John Thomas Howell 1967-3-5 42037 Marin near Rattlesnake Camp, Mt. Tamalpais Comment
  CAS-BOT-BC65861  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-BC68122  Athyrium filix-femina subsp. cyclosorum John Thomas Howell 1926-9-26 2194 Marin Near head of Muir Woods 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-BC69749  Selaginella wallacei John Thomas Howell 1926-9-26 2193 Marin Near head of Muir Woods. Comment
  CAS-BOT-BC72189  Polystichum dudleyi John Thomas Howell 1939-5-14 14664 Marin Between Phoenix Lake and Lake Lagunitas Comment
  CAS-BOT-BC72424  Polystichum munitum John Thomas Howell 1942-4-19 16938 Marin Near Big Carson Falls Comment
  CAS-BOT-BC73690  Ulmus procera John Thomas Howell 1941-6-8 s.n. Marin San Rafeal Comment
  CAS-BOT-BC74544  Rorippa curvisiliqua John Thomas Howell 1946-6-16 22090 Marin Point Reyes Station. Comment
  CAS-BOT-BC74546  Rorippa curvisiliqua John Thomas Howell 1946-9-20 s.n. Marin East of Aurora School. Comment
  CAS-BOT-BC75035  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-BC76854  Polypodium calirhiza John Thomas Howell 1966-4-6 41459 Marin Tiburon - John Thomas Howell Botanical Garden Comment
  CAS-BOT-BC79765  Quercus durata John Thomas Howell 1945-4-17 s.n. Marin Windswept Hill above Tiburon Comment
  CAS-BOT-BC81404  Torreya californica John Thomas Howell 1927-8-22 3034 Marin s. side of Mt. Tamalpais above Mill Valley 152 Comment
  CAS-BOT-BC81406  Torreya californica John Thomas Howell 1948-5-16 24303 Marin Near top of Eldridge Grade, Mt. Tamalpais Comment
  CAS-BOT-BC81411  Torreya californica John Thomas Howell 1948-5-16 24304 Marin Near top of Eldridge Grade, Mt. Tamalpais Comment
  CAS-BOT-BC84931  Artemisia californica John Thomas Howell 1936-7-26 12661 Marin Dillon's Beach Comment
  CAS-BOT-BC84933  Artemisia californica John Thomas Howell 1946-12-22 23034 Marin Steep southern slopes, Greenbrae Hills Comment
  CAS-BOT-BC85187  Torreya californica John Thomas Howell 1967-4-16 42063 Marin Wooded canyon on Matt Davis Trail just east of Bootjack, Mt. Tamalpais Comment
  CAS-BOT-BC85189  Torreya californica John Thomas Howell 1948-5-16 24303 Marin Mt. Tamalpais - near top of Eldridge Grade Comment
  CAS-BOT-BC85478  Cupressus sargentii John Thomas Howell 1927-8-22 3040 Marin On rocky slope on Rock Spring Trail west of West Point, Mt. Tamalpais 548 Comment
  CAS-BOT-BC86609  Quercus douglasii John Thomas Howell 1941-6-8 16253 Marin Hills NE of San Rafael Comment
  CAS-BOT-BC87243  Streptanthus glandulosus subsp. niger John Thomas Howell 1943-5-15 18096 Marin Tiburon peninsula. Comment
  CAS-BOT-BC87244  Streptanthus glandulosus subsp. niger John Thomas Howell 1950-4-16 26308 Marin Tiburon. Comment
  CAS-BOT-BC87257  Streptanthus glandulosus subsp. pulchellus John Thomas Howell 1938-5-22 13791 Marin San Anselmo Canyon. Comment
  CAS-BOT-BC87259  Streptanthus glandulosus subsp. pulchellus John Thomas Howell 1938-6-9 13907 Marin Mount Tamalpais. Near Rock Spring. Comment
  CAS-BOT-BC87261  Streptanthus glandulosus subsp. pulchellus John Thomas Howell 1938-6-19 13922 Marin Mount Tamalpais. Head of Steep Ravine. Comment
  CAS-BOT-BC87263  Streptanthus glandulosus subsp. pulchellus John Thomas Howell 1946-5-12 21815 Marin Carson Country. Comment
  CAS-BOT-BC87276  Streptanthus glandulosus subsp. secundus John Thomas Howell 1938-7-3 13945 Marin At head of Lucas Valley. Comment
  CAS-BOT-BC87277  Streptanthus glandulosus subsp. secundus John Thomas Howell 1943-5-9 17976 Marin San Rafael Hills. Comment
  CAS-BOT-BC87281  Streptanthus glandulosus subsp. secundus John Thomas Howell 1942-6-21 s.n. Marin Carson Ridge. Comment
  CAS-BOT-BC88480  Thysanocarpus curvipes John Thomas Howell 1942-4-19 16943 Marin Big Carson Canyon. Comment
  CAS-BOT-BC89085  Lepidium didymum John Thomas Howell 1939-11-5 s.n. Marin Sausalito. Comment
  CAS-BOT-BC89774  Lepidium latipes John Thomas Howell 1946-4-18 21654 Marin Ignacio. 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-BC94355  Quercus garryana John Thomas Howell; John Tucker 1947-8-31 24177 Marin Black Canyon, San Rafael Hills Comment
  CAS-BOT-BC94356  Quercus garryana John Thomas Howell 1945-7-15 21301 Marin Fairfax Hills near Camp Lilienthal Comment
  CAS-BOT-BC94357  Quercus garryana John Thomas Howell 1945-7-15 21301 Marin Fairfax Hills near Camp Lilienthal Comment
  CAS-BOT-BC94697  Quercus X howellii John Thomas Howell 1947-8-31 24176 Marin Ridgecrest Road above (SW of) Meadows Club 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-BC94700  Quercus X howellii John Thomas Howell 1946-9-8 s.n. Marin on Fish grade between Phoenix Lake and Lake Lagunitas Comment
  CAS-BOT-BC95308  Bowlesia incana John Thomas Howell 1944-5-14 19465 Marin Salmon Creek Canyon Comment
  CAS-BOT-BC98064  Symphyotrichum lentum John Thomas Howell 1925-4-5 953 Marin Mill Valley 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
  CDA1678  Agrostis avenacea J. T. Howell 1971-6-2 47649 Marin On road from San Rafael to McNear s. Bordering San Francisco Bay. 0 Comment
  CDA1831  Bromus madritensis J. T. Howell 1947-4-27 23096 Marin Bald Mt. west of San Anselmo. 0 Comment
  CDA1964  Desmazeria rigida J. T. Howell 1943-6-13 18225 Marin Sausalito Comment
  CDA2280  Phalaris aquatica J. T. Howell 1945-8-12 21381 Marin Tiburon. 0 Comment
  CDA2530  Stenotaphrum secundatum J. T. Howell 1945-7-2 21330 Marin West of Mill Valley on road to Muir Woods. 0 Comment
  CDA3337  Cypselea humifusa J. T. Howell 1947-10-19 24184 Marin 0 Comment
  CDA3989  Acacia dealbata J. T. Howell 1943-8-29 19312 Marin Summit (Avenue) Ridge above Mill Valley. Comment
  CDA5683  Verbena incompta J. T. Howell 1943-9-5 19323 Marin San Francisco Bay Region; Southern part of Mill Valley. Comment
  CDA6884  Carduus pycnocephalus J. T. Howell 1946-5-4 21754 Marin Along Redwood Highway near Burdell. 0 Comment
  CDA7508  Lactuca saligna J. T. Howell 1943-9-5 19324 Marin San Francisco Bay Region; Southern part of Mill Valley. Comment
  HSC24634  Cordylanthus mollis J. T. Howell 1945-7-8 21277 Marin Burdell Station 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
  JEPS20603  Lessingia micradenia var. micradenia John Thomas Howell 1926-9-9 2191 Marin Phoenix Lake Comment
  JEPS30761  Desmazeria rigida John Thomas Howell 1943-6-13 18225 Marin Sausalito 60 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
  JEPS37903  Plantago maritima var. juncoides John Thomas Howell 1945-7-8 21285 Marin San Antonio Comment
  JEPS37904  Plantago coronopus John Thomas Howell 1945-5-6 20815 Marin San Rafael Comment
  JEPS37906  Plantago elongata John Thomas Howell 1947-4-30 23109 Marin Dillons Beach Comment
  JEPS37913  Plantago truncata subsp. firma John Thomas Howell 1940-5-26 15520 A Marin San Anselmo Canyon Comment
  JEPS58876  Lonicera japonica John Thomas Howell 1947-5-21 23190 Marin Tiburon Comment
  JEPS58881  Plectritis brachystemon John Thomas Howell 1947-4-27 23090 Marin w of San Anselmo (Bald Mountain); Bald Mountain Comment
  JEPS58882  Plectritis brachystemon John Thomas Howell 1948-5-31 24314 Marin Nicasio Comment
  JEPS58885  Plectritis brachystemon John Thomas Howell 1946-6-2 21967 Marin Mount Tamalpais, Potrero Meadow Potrero Meadow; Mount Tamalpais, Potrero Meadow Comment
  JEPS58887  Galium trifidum var. pacificum John Thomas Howell 1945-8-5 21366 Marin near Stinson Beach Comment
  JEPS58888  Galium murale John Thomas Howell 1947-7-6 23324 Marin Laurel Dell Mt. Tamalpais Comment
  JEPS58889  Galium parisiense John Thomas Howell 1942-6-7 16973 Marin above Fairfax; San Anselmo Canyon Comment
  JEPS58891  Galium aparine John Thomas Howell 1945-6-3 20942 Marin near Shell Beach; near Shell Beach Comment
  JEPS58892  Symphoricarpos mollis John Thomas Howell 1939-6-25 14803 Marin Summit Avenue Summit Avenue, Mill Valley; Mill Valley Comment
  JEPS58913  Veronica serpyllifolia subsp. humifusa John Thomas Howell 1947-5-4 23116 Marin San Rafael Comment
  JEPS58914  Veronica persica John Thomas Howell 1943-2-20 Marin Mill Valley Comment
  JEPS58916  Castilleja ambigua subsp. ambigua John Thomas Howell 1946-5-25 21940 Marin Greenbrae Marshes 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
  JEPS58927  Triphysaria eriantha subsp. eriantha John Thomas Howell 1946-4-14 21627 Marin near Dillons Beach; near Dillons Beach Comment
  JEPS58928  Mimulus microphyllus John Thomas Howell 1940-5-12 15435 Marin s end Carson Ridge Comment
  JEPS58929  Mimulus microphyllus John Thomas Howell 1942-7-12 17019 Marin Potrero Meadows Mt. Tamalpais Comment
  JEPS58932  Mimulus nasutus John Thomas Howell 1947-4-27 23092 Marin w San Anselmo; Bald Mt. Comment
  JEPS58937  Cordylanthus pilosus subsp. pilosus John Thomas Howell 1942-9-13 17865 Marin Fairfax Comment
  JEPS58938  Cordylanthus maritimus subsp. palustris John Thomas Howell 1944-5-28 19518 Marin salt marsh Almonte Comment
  JEPS58940  Cordylanthus maritimus subsp. palustris John Thomas Howell 1945-8-19 21430 Marin salt marsh at head of Drakes Bay Comment
  JEPS58943  Gratiola ebracteata John Thomas Howell 1945-6-24 Marin Mt. Tamalpais , Lagunitas Meadows (Lagunitas Meadows) Comment
  JEPS58944  Gratiola ebracteata John Thomas Howell 1941-6-10 16297 Marin 9 mi w Novato Comment
  JEPS58946  Linaria vulgaris John Thomas Howell 1946-6-13 22062 Marin Estero School n of Dillons Beach; Estero School 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
  JEPS62637  Plantago maritima var. juncoides John Thomas Howell 1957-9-15 32952 Marin bordering Richardson Bay Richardson Bay Comment
  JEPS86290  Castilleja chrymactis John Thomas Howell 1947-6-4 23220 Marin Pt. Reyes Peninsula, near radio station Pt. Reyes 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
  NY64516  Sequoia sempervirens J. T. Howell 1957-2-3 32020 Marin Fern Canyon, Mt. Tamalpais Comment
  POM179706  Cirsium andrewsii J. T. Howell 1930-6-22 5321 Marin Valley above Rodeo Lagoon Comment
  POM193914  Cupressus sargentii J. T. Howell 1927-8-22 3040 Marin Rock Spring Trail, west of West Point, Mt. Tamalpais 549 Comment
  POM196465  Lepechinia calycina J. T. Howell 1925-4-5 936 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
  POM203148  Horkelia marinensis J. T. Howell 1933-10-8 11703 Marin Point Reyes Peninsula Comment
  POM203150  Baccharis pilularis J. T. Howell 1933-10-8 11702 Marin Point Reyes Peninsula Comment
  POM203455  Grindelia camporum J. T. Howell 1933-7-30 11462 Marin San Anselmo. Comment
  POM203913  Melica torreyana J. T. Howell 1933-4-30 11186 Marin North side of Mt. Tamalpais. Comment
  POM203968  Vulpia bromoides J. T. Howell 1933-4-30 11187 Marin North side of Mt. Tamalpais. Comment
  POM248593  Carex densa J. T. Howell 1938-5-22 13790 Marin San Anselmo Canyon. 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
  POM273095  Arctostaphylos virgata J. T. Howell 1947-1-12 s.n. Marin Above Muir Woods, south side of 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
  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
  POM298990  Phacelia californica J. T. Howell 1930-7-20 5384 Marin Rocky slope of Mt. Tamalpais on south-east side. Comment
  POM299313  Phacelia divaricata var. continentis J. T. Howell 1930-3-9 4552 Marin Point Reyes near the lighthouse. Comment
  POM303727  Erechtites minimus J. T. Howell 1944-7-30 19857 Marin Almonte. Comment
  POM303728  Acacia dealbata J. T. Howell 1943-8-29 19312 Marin Summit ridge above Mill Valley. 152 Comment
  POM303729  Rubus discolor J. T. Howell 1943-8-29 19311 Marin extensive brambles, generally in partly shaded draws, summit Ridge Mill Valley, Marin Comment
  POM304545  Sidalcea hickmanii subsp. viridis J. T. Howell 1942-6-21 s.n. Marin Carson Ridge Comment
  POM356839  Erechtites minimus J. T. Howell 1944-7-30 19857 Marin Almonte. Comment
  RSA1036  Ceanothus jepsonii J. T. Howell 1927-8-22 679 Marin Rock Spring Trail, Mt Tamalpais 549 Comment
  RSA118077  Setaria viridis J. T. Howell 1954-9-23 30110 Marin Ross, Milton H. Esberg place. Comment
  RSA121001  Quercus chrysolepis J. T. Howell 1956-9-23 31878 Marin Near Laurel Dell, Mt. Tamalpais. Comment
  RSA126189  Salix sitchensis J. T. Howell 1947-3-23 23047 Marin Cataract Gulch. Mt. Tamalpais. Comment
  RSA126197  Sagina maxima subsp. crassicaulis J. T. Howell 1946-5-4 21751 Marin Dillon's Beach. Comment
  RSA126199  Spergularia salina J. T. Howell 1944-6-25 19649 Marin Santa Venetia. Comment
  RSA126240  Rosa californica J. T. Howell 1939-9-3 15349 Marin San Antonio Creek Comment
  RSA126396  Brachypodium distachyon J. T. Howell 1948-5-31 24327 Marin Devil's Gulch, near Camp Taylor Comment
  RSA126400  Alopecurus saccatus J. T. Howell 1946-5-4 21702 Marin East of Aurora School at Sonoma Co. Line, Marine Co. Comment
  RSA126404  Calamagrostis ophitidis J. T. Howell 1945-5-27 20878 a Marin Mount Tamalpais Comment
  RSA126406  Poa howellii J. T. Howell 1947-4-27 23086 Marin Bald Mt. west of San Anselmo Comment
  RSA126457  Agrostis blasdalei J. T. Howell 1947-5-14 23150 Marin Monterey Series, Drakes Estero, west-northwest of Mt. Vision. Comment
  RSA126458  Agrostis exarata J. T. Howell 1946-6-13 22048 Marin East of Aurora School at Sonoma County line. Comment
  RSA126461  Agrostis capillaris J. T. Howell 1945-6-12 20955 Marin Near radio station, Pt. Reyes Peninsula. Comment
  RSA126462  Agrostis exarata J. T. Howell 1943-6-13 18230 Marin Sausalito hills Comment
  RSA126465  Bromus laevipes J. T. Howell 1945-6-12 s.n. Marin White Hill Comment
  RSA126467  Bromus marginatus J. T. Howell 1945-5-4 s.n. Marin Inverness Comment
  RSA126469  Bromus vulgaris J. T. Howell 1945-7-4 21268 Marin California Academy of Sciences; Inverness Ridge Comment
  RSA126477  Poa unilateralis J. T. Howell 1946-5-26 21953 Marin Ocean bluff, Point Reyes Lighthouse Comment
  RSA126478  Agrostis hallii J. T. Howell 1944-6-4 19560 Marin Mt. Vision west of Inverness Comment
  RSA126480  Polypogon viridis J. T. Howell 1943-6-6 s.n. Marin Mill Valley steps. Comment
  RSA127051  Chorizanthe cuspidata var. villosa J. T. Howell 1946-6-9 s.n. Marin Abbott's Lagoon Comment
  RSA127059  Lithocarpus densiflorus var. densiflorus J. T. Howell 1947-5-25 23206 Marin Berry Trail, Mt. Tamalpais. Comment
  RSA127061  Quercus X subconvexa J. T. Howell, J. M. Tucker 1947-8-31 24175 Marin Ridgecrest road north of AlpineLake. Comment
  RSA127065  Juncus bolanderi J. T. Howell 1943-7-4 18259 Marin Ledum Swamp on road to Point Reyes, Point Reyes Peninsula. Comment
  RSA127072  Juncus phaeocephalus var. phaeocephalus J. T. Howell 1945-6-12 20963 Marin Near radio station, Pt. Reyes Peninsula. Comment
  RSA127116  Grindelia hirsutula var. davyi J. T. Howell 1946-11-3 23033 Marin Hamilton Field. Comment
  RSA127202  Festuca occidentalis J. T. Howell 1943-6-6 18216 Marin Tenderfoot Trail above Mill Valley. Comment
  RSA127226  Vulpia microstachys var. pauciflora J. T. Howell 1946-5-14 21839 Marin Between Barths Retreat and Potrero Meadow, Mt. Tamalpais. Comment
  RSA127230  Elymus glaucus subsp. virescens J. T. Howell 1947-5-14 23161 Marin McClure Beach Comment
  RSA127233  Elymus X gouldii J. T. Howell 1946-6-30 22143 Marin Rodeo Lagoon Comment
  RSA127234  Elymus glaucus J. T. Howell 1942-6-21 s.n. Marin Carson Ridge Comment
  RSA127236  Vulpia microstachys var. pauciflora J. T. Howell 1946-5-14 21838 Marin Between Barths Retreat and Potrero Meadow, Mt. Tamalpais. Comment
  RSA127242  Rhynchospora californica J. T. Howell 1945-8-19 s.n. Marin Near Ledum Swamp, Point Reyes Peninsula Comment
  RSA127245  Polypogon monspeliensis J. T. Howell 1939-7-2 s.n. Marin Pirates Cove. Comment
  RSA127254  Equisetum arvense J. T. Howell 1941-6-29 16338 Marin Between Rock Spring and Laurel Dell, Mt. Tamalpais. Comment
  RSA127266  Melica torreyana J. T. Howell 1942-6-21 s.n. Marin Carson Ridge Comment
  RSA127273  Hordeum depressum J. T. Howell 1947-4-13 23057 Marin Tiburon Peninsula Comment
  RSA127274  Hordeum marinum subsp. gussoneanum J. T. Howell 1940-5-26 15526 Marin Little Carson Falls Comment
  RSA127276  Trisetum canescens J. T. Howell 1943-6-10 s.n. Marin Barth's [?] Retreat, Mt. Tamalpais. Comment
  RSA127366  Claytonia exigua subsp. exigua J. T. Howell 1939-4-23 14615 Marin Corte Madera Ridge, Mt. Tamalpais. Comment
  RSA127376  Ribes victoris J. T. Howell 1941-6-8 s.n. Marin NE of San Rafael Comment
  RSA127381  Festuca idahoensis J. T. Howell 1941-5-25 16208 Marin Rifle camp, Mt. Tamalpais. Comment
  RSA127382  Nassella lepida J. T. Howell 1943-5-9 17956 -A Marin Black Canyon, San Rafael Hills Comment
  RSA127385  Spartina foliosa J. T. Howell 1945-8-14 21413 Marin Burdell Marshes Comment
  RSA127391  Elymus multisetus J. T. Howell 1941-5-25 16239 Marin Near Bootjack, Mt. Tamalpais Comment
  RSA128314  Sagina decumbens subsp. occidentalis J. T. Howell 1946-4-21 21689 Marin Dunes near radio station, Pt. Reyes Peninsula Comment
  RSA128316  Lupinus arboreus var. arboreus J. T. Howell 1946-6-9 22014 A Marin Pierce Ranch, north of Point Reyes Peninsula. Comment
  RSA128337  Alopecurus aequalis var. sonomensis J. T. Howell 1952-7-3 28322 Marin near the radio station, Pt. Reyes Peninsula. Comment
  RSA128528  Lessingia hololeuca John T. Howell 1946-9-8 s.n. Marin Near Ignacio Comment
  RSA128928  Aster chilensis J. T. Howell 1947-5-18 23179 Marin South end of Carson Ridge Comment
  RSA128938  Trifolium variegatum J. T. Howell 1945-5-9 20825 Marin between Hamilton Field and Ignacio. Comment
  RSA128946  Corethrogyne filaginifolia var. californica J. T. Howell 1939-6-18 14767 Marin Near Mud Lake 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
  RSA169  Quercus parvula var. shrevei J. T. Howell 1927-8-22 670 Marin Mount Tamalpais, above Mill Valley 152 Comment
  RSA201418  Calamagrostis ophitidis J. T. Howell 1966-5-25 s.n. Marin Just north of John Thomas Howell Botanical Garden, Tiburon Comment
  RSA201436  Eryngium aristulatum var. aristulatum J. T. Howell 1946-9-20 23026 Marin Sonoma County line east of Aurora School Comment
  RSA201453  Phacelia californica J. T. Howell 1947-6-18 23252 Marin Salmon Creek - Chileno Valley summit. Comment
  RSA201454  Sequoia sempervirens J. T. Howell 1957-2-3 32020 Marin Fern Canyon, Mt. Tamalpais Comment
  RSA201495  Phacelia suaveolens subsp. suaveolens J. T. Howell 1946-5-14 21842 Marin Potrero Meadow, Mt. Tamalpais. 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
  RSA26238  Rubus ursinus J. T. Howell 1938-5-22 13799 Marin San Anselmo Canyon. Comment
  RSA26239  Rubus vitifolius J. T. Howell 1938-6-5 13893 Marin Near Fern Canyon. Mt. Tamalpais. Comment
  RSA299143  Monardella undulata J. T. Howell, C. Best, W. Follette, G. True 1980-6-19 53725 Marin Near Abbotts Lagoon, Point Reyes Peninsula. Comment
  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
  RSA31382  Epilobium ciliatum subsp. ciliatum J. T. Howell 1939-7-2 14822 Marin Elk Valley Comment
  RSA31410  Oenothera elata subsp. hookeri J. T. Howell 1946-9-20 23027 Marin Sonoma County line east of Aurora School 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
  RSA32491  Umbellularia californica J. T. Howell 1947-3-2 23043 Marin Above Phoenix Lake, Mt. Tamalpais. Comment
  RSA35289  Ceanothus jepsonii J. T. Howell 1940-5-12 15434 Marin Mt. Tamalpais. Comment
  RSA35304  Carex ovalis J. T. Howell 1944-6-4 19567 Marin Mt. Vision west of Inverness Comment
  RSA383649  Ruppia maritima J. T. Howell 1933-7-30 11469 Marin Head of Tomales Bay Comment
  RSA40160  Lotus uliginosus J. T. Howell 1944-7-30 19856 Marin Between Mill Valley and head of salt marshes. 3 Comment
  RSA40161  Spergularia maritima J. T. Howell 1944-4-23 19397 Marin Escalle Salt marsh. Comment
  RSA414924  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
  RSA44352  Lathyrus littoralis J. T. Howell 1946-4-21 21688 Marin Dunes near radio station, Pt. Reyes Peninsula Comment
  RSA44353  Lathyrus jepsonii subsp. californicus J. T. Howell 1947-5-18 23174 Marin Fairfax Hills. Comment
  RSA44355  Lathyrus vestitus subsp. bolanderi J. T. Howell 1944-4-2 19366 Marin Bolinas Ridge 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
  RSA51267  Arctostaphylos glandulosa subsp. glandulosa J. T. Howell 1950-4-2 26307 Marin Inverness Ridge east of Mt. Vision, Pt. Reyes Peninsula. 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
  RSA52015  Carex hassei J. T. Howell 1947-5-14 23170 Marin Near Ledum Swamp, Point Reyes Peninsula. Comment
  RSA52098  Carex utriculata J. T. Howell 1947-6-4 23212 Marin Near radio station, Point Reyes Peninsula Comment
  RSA52104  Carex obnupta J. T. Howell 1946-5-4 s.n. Marin East of Aurora at Sonoma County Line. Comment
  RSA52111  Carex densa J. T. Howell 1943-5-2 17935 Marin Big Carson Canyon. Comment
  RSA52173  Carex tumulicola J. T. Howell 1944-4-13 19370 Marin Big Rock Ridge west of Hamilton Field. Comment
  RSA52333  Carex obnupta J. T. Howell 1946-7-4 s.n. Marin Dillon's Beach. Comment
  RSA53844  Scribneria bolanderi J. T. Howell 1945-4-29 20791 Marin Serpentine ridge W of Camp Handy, Mt. Tamalpais Comment
Read comments
Mar 26 2010
  RSA550627  Carex globosa J. T. Howell 1944-4-2 19368 A Marin Southeast of Laurel Del, Mount Tamalpais Comment
Read comments
May 31 2010
  RSA66706  Streptanthus batrachopus J. T. Howell 1946-6-23 22122 Marin Carson Ridge Comment
  RSA70837  Arctostaphylos hookeri subsp. montana J. T. Howell 1926-2-28 1655 Marin Mt. Tamalpais on south side. Comment
  RSA78557  Carex leptalea J. T. Howell 1943-7-4 18254 Marin Ledum Swamp on road to Point Reyes, Point Reyes Peninsula. Comment
  RSA78560  Carex echinata subsp. phyllomanica J. T. Howell 1943-7-4 18255 Marin Ledum Swamp on road to Point Reyes, Point Reyes Peninsula. Comment
  RSA8513  Lepidium oxycarpum J. T. Howell 1933-4-1 10919 Marin 4.5 miles N of San Rafael. Comment
  RSA86719  Anthoxanthum aristatum J. T. Howell 1945-5-9 20856 Marin Low field between Hamilton Field and Ignacio Comment
  RSA88783  Carex gynodynama J. T. Howell, J. W. Stacey 1936-6-7 12640 Marin Ledum Swamp on road to Point Reyes. Comment
  SBBG27393  Rubus ursinus J. T. Howell 1938-6-19 Marin Bootjack, Mt Tamalpais Comment
  SBBG27539  Ribes victoris J. T. Howell 1942-7-12 Marin above Lake Lagunitas, Northside Trail, Mt Tamalpais Comment
  SBBG27977  Lessingia hololeuca J. T. Howell 1945-9-16 Marin N of San Rafael and E of Santa Venetia Comment
  SBBG28973  Rhamnus crocea J. T. Howell 1933-4-30 11188 Marin N side of Mt Tamalpais Comment
  SBBG29828  Phacelia insularis var. continentis J. T. Howell 1930-3-9 4552 Marin Point Reyes near the lighthouse 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
  SBBG41054  Lomatium utriculatum J. T. Howell 1947-5-8 23145 Marin Sausalito Comment
  SBBG41056  Calystegia occidentalis subsp. occidentalis J. T. Howell 1947-5-8 23137 Marin Sausalito Comment
  SBBG41384  Arctostaphylos glandulosa subsp. cushingiana J. T. Howell 1943-3-7 17881 Marin hills NE of San Rafael 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
  SBBG47373  Clarkia rubicunda J. T. Howell 1972-6-18 Marin near Ring Hill, Tiburon Peninsula 167 Comment
  SBBG47374  Gilia capitata subsp. capitata J. T. Howell 1972-6-18 Marin near Ring Hill, Tiburon Peninsula 167 Comment
  SBBG54421  Anthoxanthum aristatum J. T. Howell 1945-5-9 20856 Marin between Hamilton Field and Ignacio Comment
  SD71221  Phacelia imbricata John Thomas Howell 1947-6-18 23252 Marin Salmon Creek, Chileno Valley summit. Comment
  SD71226  Eryngium aristulatum John Thomas Howell 1946-9-15 23006 Marin Hidden Lake, Mt. Tamalpais. Comment
  SD71324  Frangula californica subsp. californica John Thomas Howell 1966-5-25 41546 Marin Gully just north of garden area, John Thomas Howell Botanical Garden, Tiburon Comment
  SD71392  Amsinckia intermedia John Thomas Howell 1933-4-30 11199 Marin Phoenix Lake Comment
  SEINET195361 Image available Pleuropogon californicus J. T. Howell 1945-5-9 20828 Marin Between Hamilton Field and Ignacio. Comment
  SEINET195364  Papaver californicum John Thomas Howell 1946-5-30 21962 Marin Little Carson Canyon. Comment
  SEINET196569 Image available Hordeum murinum subsp. leporinum J. T. Howell 1949-4-24 25307 Marin Fort McDowell Angel Island Comment
  SEINET199894 Image available Bromus carinatus var. carinatus John Thomas Howell 1943-5-15 18099 Marin Tiburon Peninsula Comment
  SEINET199903  Agrostis densiflora John Thomas Howell 1946-6-30 22146 Marin Rodeo Lagoon Comment
  SEINET199904  Agrostis hallii John Howell 1943-7-3 Marin Near Bootjack, Mt. Tamalpais Comment
  SEINET199906 Image available Deschampsia elongata J. T. Howell 1942-6-21 16982 Marin Carson Ridge Comment
  SEINET199908 Image available Calamagrostis rubescens John Thomas Howell 1949-6-26 25352 A Marin Fire trail north of East Peak. Mt. Tamalpais. 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
  SEINET199937 Image available Dichanthelium acuminatum subsp. fasciculatum John Thomas Howell 1941-6-29 16340 Marin Between rock Srping and Laurel Dell. Mt. Tamalpais Comment
  SEINET208611  Plantago coronopus John Thomas Howell 1945-5-6 20815 Marin Edge of salt marsh, San Rafael. Comment
  SEINET208612  Sequoia sempervirens John Thomas Howell 1957-2-3 32020 Marin Fern Canyon Mt.Tamalpais. Comment
  SEINET236413 Image available Poa douglasii John Thomas Howell 1946-4-21 21687 Marin Near the radio station Pt. Reyes Peninsula. Comment
  SEINET4675796  Cordylanthus maritimus John Thomas Howell 1933-1 Marin Comment
  SEINET7893532  Cypselea humifusa John Thomas Howell 1947-1 24184 Marin Alpine Lake Comment
  UC1008727  Navarretia viscidula John Thomas Howell 1944-7-7 19682 Marin Lagunitas Meadows Comment
  UC1008729  Navarretia intertexta subsp. intertexta John Thomas Howell 1942-7-12 17030 Marin Potrero Meadows Mt. Tamalpais Comment
  UC1023052  Navarretia intertexta John Thomas Howell 1941-7-6 16351 Marin Kent Trail Mt. Tamalpais Comment
  UC1100001  Najas guadalupensis John Thomas Howell 1946-9-29 23030 Marin Stinson Beach Comment
  UC1106071  Ranunculus flammula John Thomas Howell 1946-6-20 22103 Marin four mi n Bolinas (on Olema Rd) Comment
  UC1106072  Claytonia exigua subsp. exigua John Thomas Howell 1940-5-12 15432 Marin s end Carson Ridge Comment
  UC1106075  Isolepis carinata John Thomas Howell 1943-5-22 18154 Marin Lagunitas Meadows , Lagunitas Meadows (Mt. Tamalpais) Comment
  UC1106077  Schoenoplectus acutus var. occidentalis John Thomas Howell 1945-8-5 21367 Marin Stinson Beach Comment
  UC1106079  Scirpus americanus John Thomas Howell 1944-9-10 20724 Marin marshes n Olema; n of Olema Comment
  UC1106083  Eleocharis suksdorfiana John Thomas Howell 1947-6-4 23210 Marin swale near Radio Station Point Reyes Peninsula ([in another hand on sheet]: On sea bluffs between Drakes Estero and Pacific Ocean) Comment
  UC1106086  Eleocharis macrostachya John Thomas Howell 1939-5-14 Marin Phoenix Lake Mount Tamalpais Comment
  UC1106093  Festuca rubra John Thomas Howell 1943-6-8 18220 Marin Tiburon Comment
  UC1106094  Festuca roemeri John Thomas Howell 1943-5-15 18084 Marin Tiburon Peninsula Comment
  UC1106096  Festuca californica John Thomas Howell 1945-6-12 20952 Marin Point Reyes Peninsula, near radio station Point Reyes Peninsula Comment
  UC1106100  Nassella pulchra John Thomas Howell 1946-5-16 21849 Marin se side Angel Island Comment
  UC1106110  Leymus mollis subsp. mollis John Thomas Howell 1945-6-30 21250 Marin Stinson Beach Comment
  UC1106121  Elymus californicus John Thomas Howell 1941-7-6 16356 Marin Mount Tamalpais, Kent Trail Mount Tamalpais; , Kent Trail 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
  UC1106127  Hordeum brachyantherum subsp. californicum John Thomas Howell 1948-5-31 24328 Marin near Camp Taylor (Devils Gulch) Comment
  UC1106128  Hordeum brachyantherum subsp. brachyantherum John Thomas Howell 1944-5-28 Marin Mill Valley Comment
  UC1106129  Hordeum marinum subsp. gussoneanum John Thomas Howell 1946-4-14 Marin Chileno Valley Comment
  UC1106131  Hordeum depressum John Thomas Howell 1944-5-28 Marin Almonte Comment
  UC1106132  Hordeum vulgare John Thomas Howell 1945-6-3 20918 Marin near Inverness Comment
  UC1106137  Melica californica John Thomas Howell 1941-5-25 16214 Marin Mt. Tamalpais; Rifle Camp 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
  UC1106143  Atriplex patula John Thomas Howell 1945-8-12 21380 Marin Tiburon Comment
  UC1106144  Atriplex californica John Thomas Howell 1944-9-10 20734 Marin n Inverness (Shell Beach); n of Inverness, Shell Beach Comment
  UC1106146  Cypselea humifusa John Thomas Howell 1939-8-27 15327 Marin Lake Lagunitas Comment
  UC1106151  Thysanocarpus curvipes John Thomas Howell 1944-4-13 19376 Marin Big Rock Ridge w Hamilton Field; Big Rock Ridge w of Hamilton Field Comment
  UC1106186  Lasthenia glaberrima John Thomas Howell 1945-5-9 20827 Marin between Hamilton Field and Ignacio Comment
  UC1106190  Microseris bigelovii John Thomas Howell 1946-5-19 21910 Marin Meadows Club, Fairfax hills Fairfax Comment
  UC1106193  Polygonum aviculare subsp. aviculare John Thomas Howell 1945-7-15 21291 Marin Fairfax Comment
  UC1106194  Polygonum marinense John Thomas Howell 1945-7-8 21282 Marin Burdell; salt marshes 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
  UC1106208  Aira caryophyllea John Thomas Howell 1943-6-13 Marin Sausalito Comment
  UC1106209  Aira elegantissima John Thomas Howell 1945-5-9 20831 Marin between Hamilton Field and Ignacio Comment
  UC1106211  Agrostis capillaris John Thomas Howell 1945-6-12 20955 Marin near radio station; Point Reyes Peninsula Comment
  UC1106212  Agrostis microphylla John Thomas Howell 1946-6-9 22007 Marin n Abbotts Lagoon Comment
  UC1106215  Agrostis densiflora John Thomas Howell 1947-9-6 24180 Marin Dillons Beach Comment
  UC1106241  Trifolium barbigerum John Thomas Howell 1946-4-14 21620 Marin near Tomales 0 Comment
  UC1106242  Trifolium oliganthum John Thomas Howell 1947-4-27 23080 Marin w San Anselmo; Bald Mtn Comment
  UC1106245  Trifolium dubium John Thomas Howell 1946-5-26 21949 Marin Inverness Comment
  UC1106248  Trifolium oliganthum John Thomas Howell 1947-5-4 23130 Marin San Rafael Hills Comment
  UC1106249  Trifolium albopurpureum var. dichotomum John Thomas Howell 1943-5-2 17934 Marin Big Carson Canyon Comment
  UC1106250  Trifolium variegatum var. melananthum John Thomas Howell 1945-5-9 20332 Marin between Hamilton Field and Ignacio Comment
  UC1106253  Medicago polymorpha John Thomas Howell 1947-7-6 Marin Laurel Dell Mt. Tamalpais 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
  UC1106256  Cardamine oligosperma John Thomas Howell 1939-5-28 Marin road to Inverness (near head Drake's Bay); near head Drake's Bay Comment
  UC1106260  Streptanthus batrachopus John Thomas Howell 1941-7-6 16348 Marin between Camp Zeische and Barth's Retreat; Mt. Tamalpais Comment
  UC1106263  Pentachaeta alsinoides John Thomas Howell 1946-5-16 21865 Marin se side Angel Island Comment
  UC1106264  Pentachaeta alsinoides John Thomas Howell 1947-5-4 23118 Marin San Rafael Hills Comment
  UC1106266  Agoseris heterophylla var. heterophylla J. Thomas Howell 1947-5-4 23125 Marin San Rafael Hills Comment
  UC1106270  Taraxacum officinale John Thomas Howell 1947-5-30 23207 Marin Ross Comment
  UC1106273  Micropus californicus var. californicus John Thomas Howell 1947-5-4 23134 Marin San Rafael Hills Comment
  UC1106274  Gnaphalium palustre John Thomas Howell 1946-9-20 23024 Marin e of Aurora School (Marin-Sonoma County line) Comment
  UC1106276  Hemizonia congesta subsp. lutescens John Thomas Howell 1940-6-9 Marin Tiburon Comment
  UC1106281  Potamogeton foliosus John Thomas Howell 1946-8-23 22893 Marin Pierce Point Road; Point Reyes Peninsula Comment
  UC1106282  Zannichellia palustris John Thomas Howell 1947-4-30 23113 Marin near Dillons Beach; near Dillons Beach Comment
  UC1106291  Juncus phaeocephalus John Thomas Howell 1939-10-1 15362 Marin Lake Lagunitas Comment
  UC1106292  Juncus phaeocephalus var. phaeocephalus John Thomas Howell 1945-9-13 21464 Marin Pt. Reyes Peninsula, near radio station Pt. Reyes Peninsula Comment
  UC1106297  Maianthemum dilatatum John Thomas Howell 1946-5-5 21757 Marin swale near radio station Pt. Reyes Peninsula Comment
  UC1106302  Sagina decumbens subsp. occidentalis John Thomas Howell 1944-7-9 19700 Marin Inverness Ridge Comment
  UC1106307  Stellaria nitens John Thomas Howell 1982-4-27 23084 Marin w of San Anselmo (Bald Mt); Bald Mt. Comment
  UC1106308  Hesperolinon congestum John Thomas Howell 1943-5-15 18094 Marin Tiburon Peninsula Comment
  UC1106309  Limnanthes douglasii John Thomas Howell 1946-4-18 21677 Marin Novato Comment
  UC1106312  Vulpia microstachys var. ciliata John Thomas Howell 1943-6-8 18223 Marin Bootjack; Mt. Tamalpais Comment
  UC1106315  Phalaris lemmonii John Thomas Howell 1944-5-7 19426 Marin Greenbrae Comment
  UC1176730  Ribes victoris John Thomas Howell 1941-6-8 16256 Marin hills ne San Rafael Comment
  UC1176733  Heuchera pilosissima John Thomas Howell 1949-6-7 25346 Marin Dillons Beach Comment
  UC1176734  Ribes menziesii John Thomas Howell 1950-10-11 27469 Marin Bear Valley Comment
  UC1176736  Whipplea modesta John Thomas Howell 1947-5-4 23131 Marin San Rafael Hills Comment
  UC1176742  Aquilegia eximia John Thomas Howell 1944-7-7 19681 Marin Camp Handy Mt. Tamalpais Comment
  UC1176747  Ranunculus pusillus John Thomas Howell 1946-6-16 22082 Marin Olema Marshes Comment
  UC1176748  Ranunculus pusillus John Thomas Howell 1946-4-18 21641 Marin Ignacio Comment
  UC1176750  Ranunculus orthorhynchus var. bloomeri John Thomas Howell 1948-5-31 24320 Marin Nicasio Comment
  UC1176753  Delphinium John Thomas Howell 1945-5-20 20869 Marin Tiburon Comment
  UC1176756  Hesperocnide tenella John Thomas Howell 1945-6-30 Marin Mt. Tamalpais Comment
  UC1176764  Phoradendron villosum John Thomas Howell 1940-1-14 Marin Mt. Tamalpais, Lake Lagunitas Comment
  UC1176773  Aristolochia californica John Thomas Howell 1945-5-13 20864 Marin Deer Park near Fairfax 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
  UC1176782  Amaranthus watsonii John Thomas Howell 1945-9-16 21473 Marin near San Rafael Comment
  UC1176785  Amaranthus retroflexus John Thomas Howell 1945-9-16 1475 Marin near San Rafael Comment
  UC1176787  Amaranthus blitoides John Thomas Howell 1939-9-3 15339 Marin near Novato Comment
  UC1176788  Amaranthus californicus John Thomas Howell 1947-10-10 24188 Marin Alpine Lake Comment
  UC1176789  Scirpus pungens John Thomas Howell 1945-5-20 20872 Marin Tiburon Comment
  UC1176791  Scirpus microcarpus John Thomas Howell 1946-7-7 Marin Potrero Meadow Mt. Tamalpais, Potrero Meadow Comment
  UC1176792  Bolboschoenus maritimus John Thomas Howell 1945-9-16 21493 Marin Near San Rafael. Comment
  UC1176795  Chenopodium californicum John Thomas Howell 1947-5-14 23166 Marin McClure Beach Comment
  UC1176797  Chenopodium ambrosioides John Thomas Howell 1945-5-9 Marin Ignacio Comment
  UC1176798  Chenopodium murale John Thomas Howell 1939-9-3 Marin Corte Madera Comment
  UC1176799  Salix lasiolepis John Thomas Howell 1939-9-3 Marin Ignatio Comment
  UC1176800  Salix laevigata John Thomas Howell 1939-9-3 Marin San Antonio Creek 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
  UC1176804  Atriplex semibaccata John Thomas Howell 1944-6-25 19667 Marin between McNear's Landing and San Rafael; between McNear's Landing and San Rafael Comment
  UC1176806  Chenopodium ambrosioides var. suffruticosum John Thomas Howell 1940-9-15 Marin Stinson Beach Comment
  UC1176810  Rumex salicifolius var. salicifolius John Thomas Howell 1946-6-30 22138 Marin Rodeo Lagoon Comment
  UC1176813  Salix exigua var. hindsiana John Thomas Howell 1945-5-9 20841 Marin Ignacio 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
  UC1176880  Xanthium strumarium John Thomas Howell 1946-9-8 Marin near Ignacio Comment
  UC1176890  Eriophyllum lanatum var. arachnoideum John Thomas Howell 1939-5-28 7395 Marin Pt. Reyes Lighthouse Comment
  UC1176901  Achillea millefolium J. Thomas Howell 1947-5-14 23163 Marin MaClure Beach Comment
  UC1176902  Wyethia angustifolia John Thomas Howell 1946-6-2 21970 Marin Mt. Tamalpais , Potrero Meadow (Potrero Meaodw) Comment
  UC1176905  Chorizanthe cuspidata John Thomas Howell 1946-7-4 22176 Marin Dillons Beach Comment
  UC1176908  Chorizanthe cuspidata var. villosa John Thomas Howell 1945-6-12 Marin Pt. Reyes Comment
  UC1176909  Eriogonum luteolum var. caninum John Thomas Howell 1945-9-2 Marin Black Canyon San rafael Hills Comment
  UC1176911  Eriogonum latifolium John Thomas Howell 1939-7-2 14825 Marin ridge between Tennessee Cove and Pirates Cove Comment
  UC1176912  Eriogonum nudum var. auriculatum John Thomas Howell 1939-7-2 14841 Marin between Big Lagoon and Muir Woods Comment
  UC1176918  Microseris paludosa John Thomas Howell 1944-5-27 19501 Marin Summit Ave Mt. Tamalpais (Mt. Tamalpais) Comment
  UC1176919  Uropappus lindleyi John Thomas Howell 1945-5-6 20802 Marin SAn Rafael Hills Comment
  UC1176920  Stebbinsoseris heterocarpa John Thomas Howell 1946-5-12 Marin Fairfax Country Club Comment
  UC1176923  Eriophyllum confertiflorum var. confertiflorum John Thomas Howell 1950-6-11 26628 Marin Throckmorton Ridge Mt. Tamalpais, Throckmorton 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
  UC1177009  Bromus tectorum John Thomas Howell 1943-5-9 17940 Marin San Rafael Comment
  UC1177011  Bromus diandrus John Thomas Howell 1949-6-7 25343 Marin Aurora School, northern Marin County Aurora School Comment
  UC1177012  Bromus racemosus John Thomas Howell 1945-5-27 20885 Marin ne of Mountain Theater (Mount Tamalpais); Mount Tamalpais Comment
  UC1177015  Bromus carinatus var. carinatus John Thomas Howell 1946-5-4 21748 Marin Dillons Beach Comment
  UC1177017  Bromus secalinus John Thomas Howell 1945-6-24 21245 Marin Mount Tamalpais, Lagunitas Meadows Lagunitas Meadows; Mount Tamalpais, Lagunitas Meadows Comment
  UC1177018  Bromus carinatus var. carinatus John Thomas Howell 1947-5-8 23141 Marin Sausalito Comment
  UC1177019  Bromus carinatus var. carinatus John Thomas Howell 1947-4-27 23079 Marin w of San Anselmo (Bald Mountain); Bald Mountain Comment
  UC1177020  Bromus carinatus var. carinatus John Thomas Howell 1943-6-6 18201 Marin between Mill Valley and Muir Woods Comment
  UC1177023  Andropogon glomeratus var. pumilus John Thomas Howell 1939-10-15 Marin near Liberty Camp; near Liberty Camp Comment
  UC1177026  Agrostis exarata John Thomas Howell 1945-7-4 21271 Marin Inverness Ridge Comment
  UC1177030  Agrostis densiflora John Thomas Howell 1946-6-30 22146 Marin Rodeo Lagoon Comment
  UC1177034 Image available Agrostis exarata John Thomas Howell 1943-7-4 18250 Marin on road to Point Reyes; Ledum Swamp Comment
  UC1177041  Agrostis alba John Thomas Howell 1943-7-3 18244 Marin Sausalito Comment
  UC1177070  Scribneria bolanderi John Thomas Howell 1952-5-30 28317 Marin along fire road between Mountain theater and Potrero Meadow (Mount Tamalpais); Mount Tamalpais Comment
  UC1177105  Leymus pacificus John Thomas Howell 1948-6-6 24335 Marin Stinson Beach Comment
  UC1177108  Deschampsia cespitosa subsp. holciformis John Thomas Howell 1946-6-30 22153 Marin Rodeo Lagoon Comment
  UC1177111  Deschampsia elongata John Thomas Howell 1943-5-22 Marin Deer Park near Fairfax Comment
  UC1177115  Cynosurus echinatus John Thomas Howell 1943-5-22 18157 Marin Lagunitas Meadows Mt. Tamalpais; , Lagunitas Meadows Comment
  UC1177118  Poa unilateralis John Thomas Howell 1939-6-4 Marin Pt Reyes Lighthouse Comment
  UC1177120  Poa secunda subsp. secunda John Thomas Howell 1943-5-2 17931 Marin Big Carson Canyon Comment
  UC1177123  Poa douglasii John Thomas Howell 1946-5-4 21741 Marin Dillon's Beach Comment
  UC1177124  Calamagrostis rubescens John Thomas Howell 1944-6-26 25352 A Marin Firetrail n East Peak; Mt. Tamalpais Comment
  UC1177126  Calamagrostis ophitidis John Thomas Howell 1940-5-15 18070 Marin Tiburon Peninsula Comment
  UC1177174  Lotus grandiflorus John Thomas Howell 1944-4-2 19363 Marin Bolinas Ridge Comment
  UC1177182  Lupinus arboreus var. eximius John Thomas Howell 1939-5-28 7385 Marin Pt. Reyes lighthouse Comment
  UC1177188  Lotus scoparius John Thomas Howell 1940-9-15 Marin Stinson Beach Comment
  UC1177189  Lotus scoparius John Thomas Howell 1942-7-12 17035 Marin Northside Trail Mt. Tamalpais 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
  UC1177200  Trifolium obtusiflorum John Thomas Howell 1942-6-7 16972 Marin above Fairfax (San Anselmo Canyon) Comment
  UC1177203  Trifolium fucatum John Thomas Howell 1944-5-14 19473 Marin between Salmon Creek and Chileno Valley Comment
  UC1177204  Trifolium depauperatum var. amplectens John Thomas Howell 1946-4-18 21646 Marin Ignacio Comment
  UC1177206  Trifolium albopurpureum var. dichotomum John Thomas Howell 1947-4-27 23104 Marin w side San Anselmo (type region); Bald Mtn Comment
  UC1177210  Astragalus nuttallii var. virgatus John Thomas Howell 1946-5-16 21868 Marin Angel Island Comment
  UC1177213  Lupinus formosus John Thomas Howell 1946-6-13 22064 Marin Estero Americano Comment
  UC1177214  Lupinus formosus John Thomas Howell 1944-7-9 19688 Marin Inverness Ridge Comment
  UC1177216  Lupinus formosus John Thomas Howell 1943-6-6 18211 Marin canyon just below Muir Woods; canyon just below Muir Woods Comment
  UC1177221  Vicia gigantea John Thomas Howell 1947-4-13 Marin Tiburon Comment
Read comments
Mar 26 2009
  UC1177225  Medicago lupulina John Thomas Howell 1947-5-8 Marin Sausalito Comment
  UC1177228  Lupinus formosus John Thomas Howell 1939-5-21 14703 Marin e side Tiburon Peninsula; e side of Tiburon Peninsula Comment
  UC1177229  Lupinus formosus John Thomas Howell 1940-6-9 15582 Marin Tiburon Peninsula Comment
  UC1177231  Hoita macrostachya John Thomas Howell 1944-9-3 20716 Marin near Bootjack; Mt. Tamalpais Comment
  UC1177235  Astragalus nuttallii var. virgatus John Thomas Howell 1947-5-14 23159 Marin McClure Beach Comment
  UC1177237  Amelanchier utahensis John Thomas Howell 1941-6-29 16328 Marin Rock Spring; Mt. Tamalpais Comment
  UC1177238  Sanguisorba minor subsp. muricata John Thomas Howell 1949-6-7 25341 Marin Aurora School; nw Marin Co. Comment
  UC1177239  Amelanchier utahensis John Thomas Howell 1940-5-12 15419 Marin Lagunitas Creek Comment
Read comments
Jun 24 2011
  UC1177240  Heteromeles arbutifolia John Thomas Howell 1949-4-6 25300 Marin Black Point Comment
  UC1177244  Oemleria cerasiformis John Thomas Howell 1946-6-16 22078 Marin Olema Marshes Comment
  UC1177251  Erysimum concinnum John Thomas Howell 1939-5-28 7379 Marin Pt. Reyes lighthouse Comment
  UC1177252  Lepidium lasiocarpum var. lasiocarpum John Thomas Howell 1947-6-18 23277 Marin Dillons Beach Comment
  UC1177257  Hirschfeldia incana John Thomas Howell 1942-6-21 17002 Marin Fairfax Comment
  UC1177258  Cardaria draba John Thomas Howell 1945-9-16 21487 Marin n of San Rafael Comment
  UC1177262  Solidago elongata John Thomas Howell 1945-8-19 21426 Marin near Ledum Swamp (Point Reyes Peninsula); Point Reyes Peninsula Comment
  UC1177268  Eurybia radulina J. Thomas Howell 1946-9-15 23003 Marin near, (Mt. Tamalpais) Potrero Meadows; Mt. Tamalpais Comment
  UC1177271  Heterotheca sessiliflora subsp. bolanderi John Thomas Howell 1939-7-2 14831 Marin ridge between Tennessee Cove and Pirates Cove Comment
  UC1177272  Heterotheca oregona var. oregona John Thomas Howell 1943-9-5 19319 Marin s of Mill Valley (along railroad) Comment
  UC1177275  Lessingia micradenia var. micradenia John Thomas Howell 1946-9-15 23010 Marin Rocky Ridge Fire Trail Mt. Tamalpais, Rocky Ridge Fire Trail Comment
  UC1177278  Stephanomeria virgata subsp. pleurocarpa John Thomas Howell 1945-7-15 21295 Marin Fairfax hills Fairfax Comment
  UC1177283  Lactuca serriola John Thomas Howell 1939-11-5 Marin Manzanita Comment
  UC1177284  Corethrogyne filaginifolia John Thomas Howell 1943-7-4 Marin near Ledum Swamp; Point Reyes Comment
  UC1177286  Crepis capillaris John Thomas Howell 1945-7-29 21338 Marin Bolinas Comment
  UC1177293  Cirsium quercetorum John Thomas Howell 1943-6-6 18200 Marin between Mill Valley Muir Woods Comment
  UC1177294  Hesperevax sparsiflora var. sparsiflora John Thomas Howell 1940-5-26 15530 Marin Little Carson Falls Comment
  UC1177296  Gamochaeta ustulata John Thomas Howell 1946-5-4 21752 Marin Dillons Beach Comment
  UC1177300  Centaurea calcitrapa J. Thomas Howell 1944-6-25 Marin Santa Venetia Comment
  UC1177303  Cirsium occidentale var. occidentale J. Thomas Howell 1946-5-14 21844 Marin along road between Rock Spring and Summit Meadow; Mt. Tamalpais Comment
  UC1177304  Cirsium occidentale var. venustum John Thomas Howell 1947-7-9 23330 Marin between Phoenix and Lagunitas Lakes; Mt. Tamalpais, Fish Grade Comment
  UC1177306  Cirsium occidentale var. occidentale J. Thomas Howell 1942-5-16 16956 Marin Sausalito Hills Comment
  UC1177313  Lasthenia californica subsp. californica John Thomas Howell 1947-4-23 23069 Marin w of Mt. Vision; Drakes Estero Comment
  UC1177314  Layia platyglossa John Thomas Howell 1939-5-21 Marin S. Tiburon Comment
  UC1177316  Hemizonia congesta subsp. congesta John Thomas Howell 1946-6-13 22046 Marin e Aurora School (at the Sonoma Co. line) Comment
  UC1177321  Achyrachaena mollis J. Thomas Howell 1946-4-18 21672 Marin Black Point Comment
  UC1177322  Madia sativa John Thomas Howell 1945-7-15 21293 Marin at Fairfax city limits (Ridgecrest Blvd) Comment
  UC1177325  Quercus agrifolia var. frutescens John Thomas Howell 1947-3-23 23048 Marin Bootjack Mt. Tamalpais Comment
  UC1177327  Potamogeton nodosus John Thomas Howell 1939-8-27 15319 Marin Phoenix Lake Comment
  UC1177331  Allium amplectens John Thomas Howell 1946-5-12 21816 Marin Carson country Comment
  UC1177332  Allium dichlamydeum John Thomas Howell 1947-6-18 23276 Marin Dillons Beach Comment
  UC1177335  Xerophyllum tenax John Thomas Howell 1947-7-9 23329 Marin above Lake Lagunitas (Mount Tamalpais); Mount Tamalpais Comment
  UC1177380  Juncus xiphioides John Thomas Howell 1944-9-24 20750 Marin e side Bolinas Lagoon Comment
  UC1177390  Sparganium erectum subsp. stoloniferum John Thomas Howell 1945-10-14 21548 Marin Olema Marshes Comment
  UC1177403  Juncus bolanderi John Thomas Howell 1942-7-12 17025 Marin Potrero Meadow Mt. Tamalpais Comment
  UC1177404  Juncus occidentalis John Thomas Howell 1944-6-25 19646 Marin Santa Venetia Comment
  UC1177406  Typha angustifolia John Thomas Howell 1948-9-19 25288 Marin Phoenix Lake Mt. Tamalpais; , Phoenix Lake Comment
  UC1177413  Lithocarpus densiflorus John Thomas Howell 1947-5-25 23206 Marin Mt. Tamalpais; Berry Trail Comment
  UC1177414  Quercus X eplingii John Thomas Howell 1946-5-19 21904 Marin near Camp Lihienthal; Fairfax Hills 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
  UC1177422  Hypericum formosum var. scouleri John Thomas Howell 1947-7-6 23322 Marin between Rock Spring and Laurel Dell (Mt. Tamalpais); Mt. Tamalpais Comment
  UC1177427  Moehringia macrophylla John Thomas Howell 1946-7-7 22210 Marin Potrero Meadow Mt. Tamalpais; , Potrero Meadow Comment
  UC1177428  Paronychia franciscana John Thomas Howell 1941-6-8 16259 Marin hills ne San Rafael Comment
  UC1177429  Silene multinervia John Thomas Howell 1946-5-12 21798 Marin Carson Ridge Comment
  UC1177432  Rosa spithamea John Thomas Howell 1946-9-8 23001 Marin sw Lake Lagunitas; Mt. Tamalpais Comment
  UC1177440  Lupinus bicolor John Thomas Howell 1943-5-9 17971 Marin San Rafael Hills Comment
  UC1177443  Oxalis albicans subsp. pilosa John Thomas Howell 1939-4-23 14607 Marin Blythe Canyon Mill Valley Comment
  UC1177444  Hypericum concinnum John Thomas Howell 1946-7-7 22200 Marin burned area w. of Potrero Meadow (Mt Tamalpais); Mt Tamalpais Comment
  UC1177446  Hesperolinon micranthum John Thomas Howell 1946-7-7 22192 Marin s of Barths Retreat; Mt. Tamalpais Comment
  UC1177451  Rhamnus crocea John Thomas Howell 1946-5-16 21884 Marin w side Angel Island 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
  UC1177459  Lupinus bicolor John Thomas Howell 1944-5-28 19530 Marin between Almonte and Mill Valley; between Almonte and Mill Valley Comment
  UC1177461  Vicia sativa subsp. nigra John Thomas Howell 1946-5-12 21760 Marin near Fairfax Comment
  UC1177462  Vicia hirsuta John Thomas Howell 1943-7-4 18281 Marin near Inverness Comment
  UC1177468  Vicia sativa subsp. nigra John Thomas Howell 1945-6-3 20919 Marin near Inverness Comment
  UC1177469  Vicia hassei John Thomas Howell 1943-5-9 17979 Marin San Rafael hills; San Rafael Comment
  UC1177475  Lupinus microcarpus var. densiflorus John Thomas Howell 1946-5-12 21761 Marin between Fairfax and Country Club Comment
  UC1177477  Lupinus microcarpus var. microcarpus John Thomas Howell 1946-5-4 21726 Marin between Tomales and Dillons Beach; between Tomales and Dillons Beach 106 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
  UC1177480  Vulpia octoflora var. hirtella John Thomas Howell 1946-6-2 21988 Marin n of Mt. Tamalpais, West Peak (Berry Trail); Mt. Tamalpais Comment
  UC1177483  Phalaris minor John Thomas Howell 1944-5-28 19511 Marin between Manzanita and Almonte Comment
  UC1177484  Phalaris aquatica John Thomas Howell 1941-6-10 16295 Marin Novato Comment
  UC1177486  Phleum alpinum John Thomas Howell 1945-6-12 20954 Marin Point Reyes Peninsula; near radio station Comment
  UC1177490  Pleuropogon hooverianus John Thomas Howell 1947-4-27 23107 Marin Ross Comment
  UC1177493  Paspalum dilatatum John Thomas Howell 1945-8-5 21364 Marin Stinson Beach near Stinson Beach, McKinnan's Landing (McKinnan's Landing) Comment
  UC1177494  Paspalum dilatatum John Thomas Howell 1940-9-15 Marin Stinson Beach Comment
  UC1177496  Polypogon interruptus John Thomas Howell 1945-6-24 Marin Rock Spring to Laurel Dell Mt. Tamalpais; , Rock Spring to Laurel Dell Comment
  UC1177503  Athyrium filix-femina var. cyclosorum John Thomas Howell 1939-9-10 Marin Stinson Beach Comment
  UC1177506  Equisetum arvense John Thomas Howell 1944-3-26 19340 Marin Inverness Comment
  UC1177513  Pilularia americana John Thomas Howell 1947-7-7 25357 Marin strand of Lake Lagunitas Comment
  UC1177516  Athyrium filix-femina var. cyclosorum John Thomas Howell 1950-10-11 27468 Marin Bear Valley Comment
  UC1422872  Clarkia amoena subsp. amoena John Thomas Howell 1946-6-9 22012 Marin Pierce Ranch Pt. Reyes Peninsula Comment
  UC1422875  Clarkia gracilis subsp. sonomensis John Thomas Howell 1940-5-12 15420 Marin Lagunitas Creek Comment
Read comments
Jun 24 2011
  UC1422879  Clarkia purpurea subsp. purpurea John Thomas Howell 1947-5-21 23187 Marin Tiburon 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
  UC2055636  Stachys pycnantha John Thomas Howell 1937-7-4 13091 Marin Tiburon. Comment
  UC421611  Layia platyglossa John Thomas Howell 1930-4-20 4735 Marin Pt. Reyes Comment
  UC421645  Luzula macrantha John Thomas Howell 1927-3-13 2285 Marin Point San Quentin Comment
  UC450610  Scribneria bolanderi John Thomas Howell 1945-4-29 20791 Marin w of Camp Handy (Mount Tamalpais); Mount Tamalpais 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
  UC517458  Marah fabacea John Thomas Howell 1933-4-12 10993 Marin Sausalito Comment
  UC518009  Arctostaphylos glandulosa subsp. glandulosa John Thomas Howell 1933-3-19 10868 Marin above Mill Valley (s side of mt.); Mt. Tamalpais Comment
  UC583255  Carex mendocinensis John Thomas Howell, J. W. Stacey 1936-6-7 Marin Near Bootjack, Mount Tamalpais. Comment
  UC618377  Linanthus acicularis John Thomas Howell 1938-5-22 13789 Marin San Anselmo Canyon Comment
  UC703117 Image available Sidalcea hickmanii subsp. viridis John Thomas Howell 1942-6-21 16997 Marin Carson Ridge Comment
  UC710413  Streptanthus glandulosus subsp. secundus John Thomas Howell 1943-5-9 17976 Marin San Rafael Hills Comment
  UC710451  Carex harfordii John Thomas Howell 1943-7-4 18266 Marin near Ledum Swamp; Pt. Reyes Peninsula Comment
  UC710506  Carex cusickii John Thomas Howell 1943-7-11 18283 Marin Potrero Meadows Mt. Tamalpais, Potrero Meadows 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
  UC710622  Acacia dealbata John Thomas Howell 1943-8-29 19312 Marin Summit [Arenme] Ridge above Mill Valley 152 Comment
  UC710623  Rubus discolor John Thomas Howell 1943-8-29 19311 Marin Summit (Avenue) Ridge Mill Valley; , Summit (Avenue) Ridge Comment
  UC750549  Lessingia hololeuca John Thomas Howell 1945-9-16 21484 Marin n San Rafael (and e of San Venetia) Comment
  UC750550  Heterotheca oregona var. oregona John Thomas Howell 1945-9-16 21498 Marin n of San Rafael (along railroad) Comment
  UC750586  Holcus lanatus John Thomas Howell 1945-7-29 21355 Marin Bolinas Comment
  UC750591  Carduus pycnocephalus subsp. pycnocephalus J. Thomas Howell 1946-5-4 21754 Marin near Burdell (along Redwood Highway); Redwood Highway 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
  UC750608  Centunculus minimus John Thomas Howell 1945-6-12 20945 Marin Mount Tamalpais, Potrero Meadow Potrero Meadow; Mount Tamalpais, Potrero Meadow Comment
  UC750609  Holozonia filipes John Thomas Howell 1945-8-12 21372 Marin Rock Spring Mt. Tamalpais, Rock Spring Comment
  UC750611  Pleuropogon californicus John Thomas Howell 1945-5-9 20828 Marin between Hamilton Field and Ignacio Comment
  UC750706  Pentachaeta bellidiflora John Thomas Howell 1946-5-25 21933 Marin Greenbrae Hills Comment
  UC750707  Papaver californicum John Thomas Howell 1946-5-30 21962 Marin Little Carson Canyon Comment
  UC817987  Vulpia microstachys var. ciliata John Thomas Howell 1938-6-9 13909 Marin Laurel Dell; Mt. Tamalpais Comment
  UC824432  Carex densa John Thomas Howell 1938-6-5 13903 Marin Rock Spring Mt. Tamalpais, Rock Spring 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
  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
  UC905011  Carex athrostachya John Thomas Howell 1946-6-13 22025 Marin Chileno Valley Comment
  UC905018  Carex gracilior John Thomas Howell 1946-5-4 21717 Marin e Aurora School; Sonoma Co. line Comment
  UC905019  Carex subbracteata John Thomas Howell 1946-5-16 21858 Marin se side Angel Island Comment
  UC905025  Carex buxbaumii John Thomas Howell 1947-6-4 23213 Marin swale near radio station Pt. Reyes Peninsula Comment
  UC905052  Torreya californica John Thomas Howell 1948-5-16 24303 Marin near top Eldridge Grade; Mt. Tamalpais Comment
  UC905053  Torreya californica John Thomas Howell 1948-5-16 24304 Marin near top of Eldridge Grade Mt. Tamalpais, Eldridge Grade Comment
  UC905068  Hordeum murinum subsp. glaucum John Thomas Howell 1949-4-24 25307 Marin Fort McDowell Angel Island, Fort McDowell Comment
  UC905069  Cypselea humifusa John Thomas Howell 1947-10-19 24184 Marin Alpine Lake 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
  UCD103482  Pelargonium grossularioides John Thomas Howell 1944-7-23 19842 Marin San Rafael. 60 Comment
  UCD106628  Lupinus arboreus John Thomas Howell 1958-7-6 33642 Marin south side of Mt. Tamalpais above Cascade Canyon. Comment
  UCD106705  Lotus uliginosus John Thomas Howell 1944-7-30 19856 Marin Between Mill Valley and head of salt marshes. 3 Comment
  UCD113764  Rubus armeniacus John Thomas Howell 1943-8-29 19311 Marin Summit Avenue Ridge, Mill Valley. Comment
  UCD120690  Phacelia suaveolens John Thomas Howell 1946-5-19 21919 Marin Carson Ridge. Comment
  UCD135189  Sequoia sempervirens John Thomas Howell 1957-2-3 32020 Marin Fern Canyon, Mt. 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
  UCD135755  Senecio sylvaticus John Thomas Howell 1947-10-19 24192 Marin desiccated strand of Alpine Lake. Comment
  UCD47295  Quercus X subconvexa John Thomas Howell 1952-5-15 28314 Marin Serpentine at south end of Tiburon Peninsula, Marin Co. 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
  UCD51755  Agrostis hendersonii John Thomas Howell 1947-4-23 23062 Marin Pt. Reyes Peninsula, Drakes Estero, west of Mt. Vision. Comment
Read comments
Nov 29 2010
  UCD51796  Agrostis avenacea John Thomas Howell 1971-6-2 47649 Marin borderin S.F. Bay on road from San Rafael to McNear's. Comment
  UCD51982  Agrostis densiflora John Thomas Howell 1945-7-4 21274 Marin Inverness. Comment
  UCD51985  Agrostis densiflora John Thomas Howell 1945-7-4 21271 Marin Inverness Ridge. Comment
  UCD51986  Agrostis densiflora John Thomas Howell 1945-7-1 21264 Marin Tiburon. Comment
  UCD52397  Agrostis exarata John Thomas Howell 1943-5-22 18156 Marin Lagunitas Meadows. Comment
  UCD52516  Agrostis exarata John Thomas Howell 1944-6-25 19661 Marin between Santa Venetia and Chinese Camp. Comment
  UCD58992  Bromus madritensis John Thomas Howell 1947-4-27 23096 Marin Bald Mt. west of San Anselmo. Comment
  UCD59917  Crypsis schoenoides John Thomas Howell 1980-9-8 53895 Marin Alpine Lake near Bon Tempe Lake dam. Comment
  UCD60454  Danthonia californica John Thomas Howell 1947-7-6 23326 Marin Mt. Tamalpais. Near Barths Retreat . 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
  UCD66782  Glyceria declinata John Thomas Howell 1957-7-22 32817 Marin 2 miles south of Olema. Comment
  UCD86231  Hordeum murinum subsp. glaucum John Thomas Howell 1949-4-24 25307 Marin Angel Island. Fort McDowell. Comment
  UCD86394  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
  UCD90097  Pleuropogon hooverianus John Thomas Howell 1943-5-22 18155 Marin Lagunitas Meadows. Comment
  UCD90982  Polypogon australis John Thomas Howell 1967-6-8 42547 Marin Inverness. Comment
  UCD93592  Trisetum canescens John Thomas Howell 1944-4-16 s.n. Marin Corte Madera Ridge. Mt. Tamalpais. Comment
  UCD99205  Spergularia media var. media John Thomas Howell 1944-4-23 19397 Marin Escalle. Comment
  UCD99206  Spergularia villosa John Thomas Howell 1944-6-25 19643 Marin Santa Venetia. 7 Comment
  UCD99207  Spergularia villosa John Thomas Howell 1944-6-25 19643 Marin Santa Venetia. 7 Comment
  UCR142978  Amaranthus californicus J. T. Howell 1939-9-3 15352 Marin San Antonio Creek 3 Comment
  UCR244518  Digitaria sanguinalis J. T. Howell 1989-10-16 s.n. Marin Terra Linda, Freitas Park 29 Comment
  UCR64469  Spergularia media J. T. Howell 1944-4-23 19397 Marin Pacific coast, Escalle. Comment
  UCR80275  Pelargonium grossularioides J. T. Howell 1944-7-23 19842 Marin San Francisco Bay region, San Rafael 61 Comment
  UCSB2958  Acacia dealbata Howell, John 1943-8-29 Marin Summit (Avenue) ridge above Mill Valley 152 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-BC111568  Schoenoplectus americanus John Thomas Howell 1944-9-10 20724 Marin Marshes north of Olema Comment
  CAS-BOT-BC111827  Schoenoplectus tabernaemontani John Thomas Howell 1944-9-10 20722 Marin Marshes north of Olema. Comment
  CAS-BOT-BC112393  Isolepis carinata John Thomas Howell 1927-5-8 2369 Marin Low place in grassland north of Lake Lagunitas Comment
  CAS-BOT-BC112862  Eleocharis macrostachya John Thomas Howell 1941-6-10 16298 Marin 9 mi. N of Novato Comment
  CAS-BOT-BC112864  Eleocharis macrostachya John Thomas Howell 1939-8-27 15325 Marin Lake Lagunitas Comment
  CAS-BOT-BC114725  Cyperus difformis John Thomas Howell 1945-1-7 20771 Marin CCC Camp above Muir Woods, Mt. Tamalpais. Comment
  CAS-BOT-BC114757  Cyperus alternifolius John Thomas Howell 1988-8-22 s.n. Marin Escaping from cultivated plants on Nova Albion St. Terra Sinda, San Rafael. 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-BC116900  Carex subbracteata var. subbracteata John Thomas Howell; J. W. Stacey 1936-6-7 12633 Marin San Geronimo 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-BC118430  Carex praegracilis John Thomas Howell 1944-4-23 19404 Marin Edge of salt marsh, hills SE of Kentfield. Comment
  CAS-BOT-BC119396  Carex obnupta John Thomas Howell; J. W. Stacey 1936-6-7 12648 Marin Ledlum Swamp on road to Point Reyes. Comment
  CAS-BOT-BC119525  Carex nudata John Thomas Howell 1947-6-15 s.n. Marin E of Bootjack, Mt. Tamalpais. Comment
  CAS-BOT-BC12794  Lepidium perfoliatum John Thomas Howell 1944-5-28 19512 Marin Between Manzanita and Almonte. Comment
  CAS-BOT-BC12852  Lepidium pinnatifidum John Thomas Howell 1976-6-2 51804 Marin Corte Madera. In park. Comment
  CAS-BOT-BC130022  Fritillaria affinis John Thomas Howell 1950-3-28 26304 Marin Pt. Reyes near the lighthouse Comment
  CAS-BOT-BC146282  Arrhenatherum elatius var. elatius John Thomas Howell 1947-6-4 23224 Marin San Geronimo. 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-BC157408  Solanum umbelliferum J. T. Howell 1945-4-29 20780 Marin Phoenix Lake Comment
  CAS-BOT-BC157464  Solanum umbelliferum J. T. Howell 1941-3-30 s.n. Marin Potrero Meadows, Mt. Tamalpais Comment
  CAS-BOT-BC162335  Bromus madritensis John Thomas Howell 1990-2-13 s.n. Marin Northgate Drive near Sears. (near Nova Albion) Comment
  CAS-BOT-BC164605  Clarkia gracilis subsp. gracilis John Thomas Howell 1946-6-23 22119 Marin Head of Little Carson Canyon Comment
  CAS-BOT-BC165086  Clarkia rubicunda John Thomas Howell 1946-6-30 22131 Marin Valley east of Rodeo Lagoon Comment
  CAS-BOT-BC170987  Alnus rhombifolia John Thomas Howell 1940-5-26 s.n. Marin Litlle Canyon Comment
  CAS-BOT-BC172453  Clarkia purpurea subsp. purpurea John Thomas Howell 1947-7-6 23321 Marin Near Bootjack, Mt. Tamalpais Comment
  CAS-BOT-BC175952  Salpichroa origanifolia John Thomas Howell 1943-6-13 18224 Marin Sausalito Comment
  CAS-BOT-BC176097  Verbena bonariensis John Thomas Howell 1943-9-5 19323 Marin In southern part of Mill Valley 7 Comment
  CAS-BOT-BC176101  Verbena lasiostachys var. scabrida John Thomas Howell 1939-10-15 15377 Marin Lily Lake Comment
  CAS-BOT-BC184797  Vulpia myuros subsp. megalura John Thomas Howell 1947-5-25 23198 Marin Simmons Trail, Mt. Tamalpais Comment
  CAS-BOT-BC184801  Vulpia myuros subsp. megalura John Thomas Howell 1943-5-9 17961 A Marin San Rafael Hills Comment
  CAS-BOT-BC184809  Vulpia myuros subsp. megalura John Thomas Howell 1943-6-6 18204 Marin Ridge se. of Muir Woods Comment
  CAS-BOT-BC185860  Vulpia octoflora var. hirtella John Thomas Howell 1946-6-2 21988 Marin Bury Trail, North of West Peak, Mt. Tamalpais Comment
  CAS-BOT-BC19236  Carex barbarae John Thomas Howell 1943-9-19 19329 Marin Dry hills overlooking Escalle salt marsh. Comment
  CAS-BOT-BC19252  Carex barbarae John Thomas Howell 1944-9-24 20761 Marin West side of Bolinas Lagoon. Comment
  CAS-BOT-BC197008  Echinochloa colona John Thomas Howell 1990-10-24 s.n. Marin At Frazier Park on Monticello at the entrance to Kaiser Hospital, San Rafael 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-BC19896  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-BC20886  Carex globosa John Thomas Howell 1933-4-30 11193 Marin North side of 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-BC210249  Cornus sericea John Thomas Howell 1939-9-10 s.n. Marin Big Lagoon Comment
  CAS-BOT-BC218487  Angelica hendersonii John Thomas Howell 1944-7-9 19704 Marin Inverness Ridge Comment
  CAS-BOT-BC219429  Nemophila parviflora John Thomas Howell 1939-6-4 14709 Marin Lagunitas Comment
  CAS-BOT-BC220398  Monardella purpurea John Thomas Howell 1940-6-9 s.n. Marin Tiburon Comment
  CAS-BOT-BC220400  Monardella purpurea John Thomas Howell 1972-6-18 48867 Marin Near Ring Hill, Tiburon Peninsula 167 Comment
  CAS-BOT-BC220406  Monardella purpurea John Thomas Howell 1972-6-18 48866 Marin Near Ring Hill, Tiburon Peninsula 167 Comment
  CAS-BOT-BC220542  Monardella villosa John Thomas Howell 1946-6-30 22133 Marin East of Rodeo Lagoon Comment
  CAS-BOT-BC220544  Monardella villosa John Thomas Howell 1939-7-2 14836 Marin Between Pirates Cove and Big Lagoon Comment
  CAS-BOT-BC22136  Carex harfordii John Thomas Howell 1949-5-25 25335 Marin Sandy flats behind dunes, Point Reyes Peninsula. Comment
  CAS-BOT-BC224338  Calystegia subacaulis subsp. subacaulis John Thomas Howell 1939-5-14 14673 Marin Lower end of Berry Trail, Mt. Tamalpais Comment
  CAS-BOT-BC22902  Agoseris heterophylla John Thomas Howell 1946-6-2 s.n. Marin Potrero Meadows, Mt. Tamalpais Comment
  CAS-BOT-BC230230  Carpobrotus edulis John Thomas Howell 1948-6-6 24330 Marin Bolinas Sand Spit 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-BC236909  Chloropyron maritimum subsp. palustre John Thomas Howell 1946-5-25 21939 Marin Greenbrae Marshes Comment
  CAS-BOT-BC237994  Chloropyron molle subsp. molle John Thomas Howell 1945-7-8 21277 Marin At Burdell Station Comment
  CAS-BOT-BC238511  Triphysaria floribunda John Thomas Howell 1949-5-22 s.n. Marin Drakes Estero crossing, Pt. Reyes Peninsula Comment
  CAS-BOT-BC240011  Scribneria bolanderi John Thomas Howell 1945-4-29 20791 Marin West of Camp Handy, Mt. Tamalpais Comment
  CAS-BOT-BC240193  Setaria viridis John Thomas Howell 1954-9-23 30110 Marin Milton H. Esberg place, Ross Comment
  CAS-BOT-BC246664  Poa howellii John Thomas Howell 1947-4-27 23086 Marin Black Mt. west of San Anselmo 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-BC254481  Dichanthelium acuminatum subsp. acuminatum John Thomas Howell 1941-5-25 16225 Marin Portrero Meadow, Mount Tamalpais Comment
  CAS-BOT-BC254488  Dichanthelium acuminatum subsp. acuminatum John Thomas Howell 1941-6-29 16340 Marin Between Rock Spring and Laurel Dell, Mount Tamalpais Comment
  CAS-BOT-BC254489  Dichanthelium acuminatum subsp. acuminatum John Thomas Howell 1943-7-3 18247 Marin Near Bootjack, Mount Tamalpais Comment
  CAS-BOT-BC257625  Juncus J. T. Howell 1987-10-14 s.n. Marin Terra Linda Community Gardens Comment
  CAS-BOT-BC259196  Eriogonum latifolium John Thomas Howell 1941-6-8 16261 Marin Hills ne. of San Rafael Comment
  CAS-BOT-BC259199  Eriogonum latifolium John Thomas Howell 1966-5-25 41532 Marin John Thomas Howell Botanical Garden, Tiburon Comment
  CAS-BOT-BC259509  Eriogonum luteolum var. caninum John Thomas Howell 1972-6-18 48874 Marin Above Vista de la Bahia at north end of Tiburon Peninsula Comment
  CAS-BOT-BC259664  Paspalum dilatatum John Thomas Howell 1945-8-5 21364 Marin McKinnon's Landing near Stinson Beach Comment
  CAS-BOT-BC265773  Phalaris aquatica John Thomas Howell 1941-6-10 16295 Marin Novato Comment
  CAS-BOT-BC267193  Potamogeton foliosus John Thomas Howell 1946-9-29 s.n. Marin Back of beach, Stinson Beach 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-BC272254  Leymus X multiflorus John Thomas Howell 1946-6-30 22148 Marin Rodeo Lagoon Comment
  CAS-BOT-BC272257  Leymus X multiflorus John Thomas Howell 1943-9-5 19314 Marin Between Tamalpais Valley and Tamalpais High School Comment
  CAS-BOT-BC272312  Lachnagrostis filiformis John Thomas Howell 1987-7-7 s.n. Marin Terra Linda Vegetable Garden, New Albion Way opposite Cermenho Court Comment
  CAS-BOT-BC273568  Leymus californicus John Thomas Howell 1945-6-12 20948 Marin Lagunitas Comment
  CAS-BOT-BC273569  Leymus californicus John Thomas Howell 1944-7-7 19675 Marin Fish Grade between Phoenix and Lagunitas Lakes Comment
  CAS-BOT-BC273573  Leymus californicus John Thomas Howell 1943-6-6 18213 Marin Upper end of Muir Woods Comment
  CAS-BOT-BC273576  Leymus californicus John Thomas Howell 1939-7-2 14844 Marin Near Muir Woods Comment
  CAS-BOT-BC274568  Centaurea calcitrapa John Thomas Howell; Conrad V. Morton 1956-8-1 31743 Marin Summit ridge of Mt. Tamalpais Comment
  CAS-BOT-BC274571  Centaurea calcitrapa John Thomas Howell 1939-9-3 15342 Marin Near Novato Comment
  CAS-BOT-BC279229  Centromadia pungens subsp. pungens John Thomas Howell 1951-10-11 28294 Marin Olema Marshes Comment
  CAS-BOT-BC281811  Carduus tenuiflorus John Thomas Howell 1946-6-13 22020 Marin Chileno Valley Comment
  CAS-BOT-BC281896  Carthamus lanatus John Thomas Howell 1946-6-13 22040 Marin Between Chileno Valley and Aurora School 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-BC282797  Glyceria leptostachya John Thomas Howell 1946-9-8 22999 Marin Lagunitas Creek just below Lake Lagunitas, Mt. Tamalpais Comment
  CAS-BOT-BC282877  Hainardia cylindrica John Thomas Howell 1940-6-20 s.n. Marin Muir Beach to Stinson Beach Comment
  CAS-BOT-BC283098  Schedonorus arundinaceus John Thomas Howell 1955-6-8 30300 Marin Along highway just east of Olema Comment
  CAS-BOT-BC283099  Schedonorus arundinaceus John Thomas Howell 1955-5-29 30257 Marin Along canyon trail between Bootjack and Mountain Theater, Mt. Tamalpais Comment
  CAS-BOT-BC283523  Leymus X vancouverensis John Thomas Howell 1945-6-30 21251 Marin Stinson 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-BC28387  Carex gracilior John Thomas Howell 1945-5-9 20849 Marin Ignacis Comment
  CAS-BOT-BC284136  Eragrostis pectinacea var. pectinacea John Thomas Howell 1959-11-4 35117 Marin Reservoir north of Point Reyes (town) Comment
  CAS-BOT-BC286529  Cirsium occidentale var. venustum John Thomas Howell 1944-6-18 19632 Marin Between Lagunitas Meadows and Deer Park Comment
  CAS-BOT-BC287216  Cotula australis John Thomas Howell 1945-9-16 21468 Marin San Rafael Comment
  CAS-BOT-BC288730  Cirsium remotifolium John Thomas Howell 1940-5-26 15520 Marin San Anselmo Comment
  CAS-BOT-BC288731  Cirsium remotifolium John Thomas Howell 1938-7-3 13942 Marin Near W end of Lucas Valley Comment
  CAS-BOT-BC288733  Cirsium remotifolium John Thomas Howell 1939-6-25 14795 Marin Summit Ave, Mill Valley, Mt Tamalpais Comment
  CAS-BOT-BC288738  Cirsium remotifolium John Thomas Howell 1936-6-7 12631 Marin Whites Hill E of San Geronimo Comment
  CAS-BOT-BC288739  Cirsium remotifolium John Thomas Howell 1936-6-7 12631 Marin White's 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-BC288749  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-BC289350  Hordeum murinum subsp. glaucum John Thomas Howell 1940-5-26 15526 Marin Little Carson Falls Comment
  CAS-BOT-BC291184  Erechtites glomeratus John Thomas Howell 1966-5-25 s.n. Marin Just north of John Thomas Howell Botanical Garden, Tiburon Comment
  CAS-BOT-BC29333  Ageratina adenophora J. T. Howell 1929-6-2 4293 Marin Hills above Lime Point Comment
  CAS-BOT-BC295437  Erigeron karvinskianus John Thomas Howell 1947-5-4 23135 Marin San Rafael Comment
  CAS-BOT-BC301210  Eriophyllum lanatum var. arachnoideum John Thomas Howell 1939-4-23 14602 Marin Blythedale Canyon, Mill Valley Comment
  CAS-BOT-BC30260  Brassica nigra John Thomas Howell 1944-7-9 19723 Marin South of Tomales Bay. Comment
  CAS-BOT-BC303648  Glebionis coronaria John Thomas Howell 1944-9-24 20764 Marin Bolinas Comment
  CAS-BOT-BC304436  Grindelia hirsutula John Thomas Howell 1954-10-21 30113 Marin Tamalpais Valley Comment
  CAS-BOT-BC304443  Grindelia hirsutula J. T. Howell 1930-10-5 5524 Marin 2 mi. west of Marin--Sonoma Co. line, at north end of San Pablo Bay Comment
  CAS-BOT-BC305886  Helminthotheca echioides John Thomas Howell 1930-6-22 5319 Marin Fort Baker Comment
  CAS-BOT-BC306274  Hedypnois cretica John Thomas Howell 1947-6-18 23278 Marin Near Dillons Beach Comment
  CAS-BOT-BC306650  Helenium bigelovii John Thomas Howell 1966-7-20 41988 Marin John Thomas Howell Botanical Garden, Tiburon Comment
  CAS-BOT-BC309633  Hemizonia congesta subsp. lutescens John Thomas Howell 1966-4-6 41466 Marin John Thomas Howell Botanical Garden, Tiburon Comment
  CAS-BOT-BC311325  Hypochaeris glabra John Thomas Howell 1946-5-12 21806 Marin Carson Ridge Comment
  CAS-BOT-BC311898  Holozonia filipes John Thomas Howell 1945-8-12 21372 Marin Rock Spring, Mt. Tamalpais Comment
  CAS-BOT-BC312216  Eurybia radulina John Thomas Howell 1946-9-15 23003 Marin Near Potrero Meadows, Mt. Tamalpais Comment
  CAS-BOT-BC314472  Grindelia hirsutula John Thomas Howell 1933-7-23 11454 Marin Sausalito Hills Comment
  CAS-BOT-BC31495  Carex leptopoda John Thomas Howell; J. W. Stacey 1936-6-7 12638 Marin Ledlum Swamp on road to Pt. Reyes. 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-BC322734  Microseris paludosa John Thomas Howell 1927-4-23 2337 Marin Hilltop southwest of Mill Valley 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-BC324139  Lessingia hololeuca John Thomas Howell 1945-9-16 21485 Marin North of San Rafael Comment
  CAS-BOT-BC324146  Lessingia hololeuca John Thomas Howell 1927-4-15 2318 Marin Baltimore Park 213 Comment
  CAS-BOT-BC324148  Lessingia hololeuca John Thomas Howell 1927-9-10 3095 Marin Baltimore Park 213 Comment
  CAS-BOT-BC324150  Lessingia hololeuca John Thomas Howell 1945-9-16 21484 Marin North of San Rafael, and east of Santa Venetia Comment
  CAS-BOT-BC32620  Castilleja leschkeana John Thomas Howell 1947-6-4 23220 Marin Pt. Reyes Peninsula. Swale near radio station. Comment
  CAS-BOT-BC327981  Pentachaeta alsinoides John Thomas Howell 1946-5-16 21865 Marin Laurel Dells, Mt. Tamalpais 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-BC337872  Lapsana communis John Thomas Howell 1939-8-27 15306 Marin Ross Comment
  CAS-BOT-BC338174  Lasthenia californica John Thomas Howell 1929-6-2 4294 Marin Between Ft. Baker and Ft. Barry Comment
  CAS-BOT-BC339141  Leontodon saxatilis subsp. saxatilis John Thomas Howell 1945-7-29 21334 Marin Bolinas Comment
  CAS-BOT-BC339143  Leontodon saxatilis subsp. saxatilis John Thomas Howell 1945-7-29 21333 Marin Bolinas Comment
  CAS-BOT-BC339145  Leontodon saxatilis subsp. saxatilis John Thomas Howell 1945-9-16 21480 Marin Near San Rafael Comment
  CAS-BOT-BC339146  Leontodon saxatilis subsp. saxatilis John Thomas Howell 1945-7-29 21333 Marin Bolinas Comment
  CAS-BOT-BC339977  Stebbinsoseris decipiens John Thomas Howell 1946-6-20 22098 Marin South of Stinson Beach Comment
  CAS-BOT-BC34030  Carex brevicaulis John Thomas Howell 1947-4-2 23053 Marin Laguna Ranch, Drakes Bay. Comment
  CAS-BOT-BC34032  Carex brevicaulis John Thomas Howell 1944-6-4 19558 Marin Inverness Ridge west of Inverness. Comment
  CAS-BOT-BC34038  Carex brevicaulis John Thomas Howell 1969-4-20 45515 Marin Point Reyes National Seashore. Higher slopes of Mount Wittenberg. Comment
  CAS-BOT-BC340452  Lactuca saligna John Thomas Howell 1943-9-5 19324 Marin In southern part of Mill Valley 7 Comment
  CAS-BOT-BC340454  Lactuca saligna John Thomas Howell 1943-9-25 19324 Marin In southern part of Mill Valley 7 Comment
  CAS-BOT-BC341991  Lessingia ramulosa John Thomas Howell 1946-9-8 22992 Marin Near Ignacio Comment
  CAS-BOT-BC342070  Leucanthemum maximum John Thomas Howell 1944-9-24 20763 Marin West side of Bolinas Lagoon Comment
  CAS-BOT-BC342211  Logfia filaginoides John Thomas Howell 1942-7-5 17012 Marin Matt Davis Trail, Mt. Tamalpais Comment
  CAS-BOT-BC342400  Logfia gallica John Thomas Howell 1940-5-24 s.n. Marin Little Carson, Chianti country Comment
  CAS-BOT-BC342403  Logfia gallica John Thomas Howell 1929-6-2 4284 Marin Hills at Fort Baker Comment
  CAS-BOT-BC342628  Madia anomala John Thomas Howell 1955-5-29 30256 Marin Near Rock Spring on Laurel Dell Trail, Mt. Tamalpais Comment
  CAS-BOT-BC343082  Madia gracilis John Thomas Howell 1939-6-25 s.n. Marin Near West Point, Mt. Tamalpais Comment
  CAS-BOT-BC343714  Madia elegans John Thomas Howell 1941-7-16 16377 Marin Near Laurel Dell, Mt. Tamalpais Comment
  CAS-BOT-BC343717  Madia elegans John Thomas Howell 1944-7-23 19844 Marin San Rafael Comment
  CAS-BOT-BC34389  Carex cusickii John Thomas Howell 1949-5-25 25330 Marin Marsh near radio station, Pt. Reyes Peninsula. Comment
  CAS-BOT-BC348502  Micropus californicus var. californicus John Thomas Howell 1943-5-2 s.n. Marin San Anselmo Creek canyon Comment
  CAS-BOT-BC348743  Microseris bigelovii John Thomas Howell 1946-6-2 s.n. Marin Potrero Meadow, Mt. Tamalpais 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-BC348749  Microseris bigelovii John Thomas Howell 1947-4-23 23061 Marin Drakes Estero west of Mt. Vision Comment
  CAS-BOT-BC348922  Microseris douglasii subsp. douglasii John Thomas Howell 1967-5-24 42255 Marin Dakin Lake, just north of Old St. Hilary's Church, Tiburon Comment
  CAS-BOT-BC348941  Microseris douglasii subsp. douglasii John Thomas Howell 1966-4-6 41463 Marin John Thomas Howell Botanical Garden, Tiburon. Along path west of church Comment
  CAS-BOT-BC348943  Microseris douglasii subsp. douglasii J. T. Howell 1943-5-22 s.n. Marin Lagunitas Meadow, Mt. Tamalpais Comment
  CAS-BOT-BC349098  Microseris douglasii subsp. tenella John Thomas Howell 1943-5-15 18078 Marin Tiburon Peninsula. [S. end of peninula] Comment
  CAS-BOT-BC35010  Carex densa John Thomas Howell 1944-4-8 s.n. Marin Tiburon. Comment
  CAS-BOT-BC35030  Carex densa John Thomas Howell; J. W. Stacey 1936-6-7 12632 Marin San Geronimo. Comment
  CAS-BOT-BC35041  Carex densa John Thomas Howell 1945-5-6 s.n. Marin Near Dominican College. San Raphael. 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-BC365678  Solidago spathulata John Thomas Howell 1945-9-13 21463 Marin Drakes Estero Comment
  CAS-BOT-BC365853  Soliva sessilis John Thomas Howell 1967-5-5 42163 Marin John Thomas Howell Botanical Garden, Tiburon 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-BC365858  Soliva sessilis John Thomas Howell 1946-4-18 21653 Marin Ignacio Comment
  CAS-BOT-BC365859  Soliva sessilis John Thomas Howell 1946-5-26 s.n. Marin Summit of road near Ledum Swamp Comment
  CAS-BOT-BC365860  Soliva sessilis John Thomas Howell 1939-6-18 14776 Marin Near Mud Lake 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-BC365865  Soliva sessilis John Thomas Howell 1927-3-20 2289 Marin Near Alto 30 Comment
  CAS-BOT-BC365866  Soliva sessilis John Thomas Howell 1967-6-8 42548 Marin Pt. Reyes Comment
  CAS-BOT-BC36653  Brassica oleracea John Thomas Howell 1950-5-4 s.n. Marin Mill Valley. Near Tamalpais High School. Comment
  CAS-BOT-BC372297  Layia platyglossa John Thomas Howell 1930-4-20 4726 Marin Pt. Reyes Peninsula, 5 miles from Iverness Comment
  CAS-BOT-BC374449  Sonchus asper John Thomas Howell 1966-4-6 41473 Marin John Thomas Howell Botanical Garden, Tiburon Comment
  CAS-BOT-BC374450  Sonchus asper John Thomas Howell 1939-4-23 s.n. Marin Blithedale Canyon, Mt. Tamalpais Comment
  CAS-BOT-BC374639  Sonchus oleraceus J. T. Howell 1990-9-28 s.n. Marin Terra Linda - in weedy Northgate planter 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-BC376943  Taraxacum officinale John Thomas Howell 1945-10-28 s.n. Marin Bolinas Lagoon Comment
  CAS-BOT-BC379006  Ranunculus aquatilis var. diffusus John Thomas Howell 1947-6-18 23257 Marin Laguna, Chileno Valley Comment
  CAS-BOT-BC37916  Cardamine oligosperma John Thomas Howell 1944-5-26 s.n. Marin Inverness. Comment
  CAS-BOT-BC383717  Xanthium strumarium John Thomas Howell 1943-9-19 19330 Marin Kentfield Comment
  CAS-BOT-BC383720  Xanthium strumarium John Thomas Howell 1946-9-8 22995 Marin Along Redwood Highway just north of San Rafael Comment
  CAS-BOT-BC384004  Mirabilis jalapa John Thomas Howell 1959-11-4 35102 Marin Sausalito Comment
  CAS-BOT-BC384489  Silene antirrhina John Thomas Howell 1942-7-5 17011 Marin Matt Davis Trail, Mt. Tamalpais Comment
  CAS-BOT-BC384572  Silene coniflora John Thomas Howell 1946-5-12 21798 Marin Carson Ridge Comment
  CAS-BOT-BC384574  Silene coniflora John Thomas Howell 1946-5-30 21963 Marin Little Carson Canyon Comment
  CAS-BOT-BC384585  Silene coniflora John Thomas Howell 1942-7-5 17013 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-BC388200  Cerastium fontanum subsp. vulgare John Thomas Howell 1946-6-16 22067 Marin San Anselmo Comment
  CAS-BOT-BC388309  Cerastium glomeratum John Thomas Howell 1946-4-13 s.n. Marin Near Rock Spring, Mt. Tamalpais Comment
  CAS-BOT-BC388312  Cerastium glomeratum John Thomas Howell 1946-4-14 21629 Marin Near Dillons Beach Comment
  CAS-BOT-BC388314  Cerastium glomeratum John Thomas Howell 1975-3-20 51015 Marin Bear Valley, National Seashore, Pt. Reyes Peninsula Comment
  CAS-BOT-BC390539  Spergularia media John Thomas Howell 1944-4-23 19397 Marin Escalle Comment
  CAS-BOT-BC390540  Spergularia media John Thomas Howell 1944-4-23 19397 Marin Escalle Comment
  CAS-BOT-BC390622  Spergularia rubra John Thomas Howell 1940-5-20 s.n. Marin Pt. Reyes Lighthouse Comment
  CAS-BOT-BC390624  Spergularia rubra John Thomas Howell 1933-4-1 10920 Marin 4.5 miles n. of San Rafael Comment
  CAS-BOT-BC391007  Spergularia villosa John Thomas Howell 1944-6-25 19643 Marin Santa Venetia 7 Comment
  CAS-BOT-BC391010  Spergularia villosa John Thomas Howell 1941-6-10 16276 Marin Near Black Point Comment
  CAS-BOT-BC397715  Stellaria nitens John Thomas Howell 1945-4-29 20790 Marin above Camp Handy, Mt. Tamalpais Comment
  CAS-BOT-BC40224  Caulanthus lasiophyllus John Thomas Howell 1940-5-20 15510 Marin Point Reyes. Near lighthouse. Comment
  CAS-BOT-BC40225  Caulanthus lasiophyllus John Thomas Howell 1939-6-25 s.n. Marin Nova Trail near West Point. Mount Tamalpais. Comment
  CAS-BOT-BC403945  Urtica dioica subsp. gracilis John Thomas Howell 1946-6-16 22074 Marin Inverness Peak Comment
  CAS-BOT-BC404152  Urtica dioica subsp. holosericea John Thomas Howell 1945-8-5 21365 Marin Near Stinson Beach at high tide line Comment
  CAS-BOT-BC413680  Persicaria capitata John Thomas Howell 1969-4-27 45553 Marin Gordon True's garden, San Rafael Comment
  CAS-BOT-BC414007  Polygonum aviculare subsp. aviculare John Thomas Howell 1939-7-2 14814 Marin Border of Almonte salt marsh Comment
  CAS-BOT-BC414010  Polygonum aviculare subsp. aviculare John Thomas Howell 1939-6-25 14812 Marin Cascade Canyon, Mill Valley Comment
  CAS-BOT-BC414011  Polygonum aviculare subsp. aviculare John Thomas Howell 1939-6-25 14812 Marin Cascade Canyon, Mill Valley Comment
  CAS-BOT-BC419016  Persicaria lapathifolia J. T. Howell 1987-7-30 s.n. Marin Community Vegetable Garden, Nova Albion St. across from Cermenho Ct., San Rafael Comment
  CAS-BOT-BC419019  Persicaria lapathifolia John Thomas Howell 1959-11-4 s.n. Marin Stinson Beach Comment
  CAS-BOT-BC419210  Persicaria maculosa John Thomas Howell 1959-11-4 35112 Marin Stinson Beach Comment
  CAS-BOT-BC419211  Persicaria maculosa John Thomas Howell 1941-6-10 16279 Marin Near Black Point Comment
  CAS-BOT-BC419343  Persicaria punctata John Thomas Howell 1924-8-31 643 Marin Near Ross Comment
  CAS-BOT-BC419801  Polygonum marinense John Thomas Howell 1949-5-22 25326 Marin At head of Drakes Estero Comment
  CAS-BOT-BC419803  Polygonum marinense John Thomas Howell 1945-6-3 s.n. Marin Inverness Comment
  CAS-BOT-BC420146  Polygonum ramosissimum subsp. ramosissimum John Thomas Howell 1945-7-8 21284 Marin San Antonio salt marshes Comment
  CAS-BOT-BC420980  Polygonum spergulariiforme John Thomas Howell 1947-9-6 24182 Marin East of Dillons Beach Comment
  CAS-BOT-BC420981  Polygonum spergulariiforme John Thomas Howell 1946-9-20 23021 Marin East of Dillons Beach Comment
  CAS-BOT-BC421766  Rumex conglomeratus John Thomas Howell 1939-9-10 s.n. Marin Stinson Beach Comment
  CAS-BOT-BC422282  Rumex californicus John Thomas Howell 1943-9-19 19328 Marin Escalle Comment
  CAS-BOT-BC433256  Rumex crispus John Thomas Howell 1959-9-10 34609 Marin Bolinas Comment
  CAS-BOT-BC433454  Rumex crispus John Thomas Howell 1953-7-2 29103 Marin Tamalpais Valley Comment
  CAS-BOT-BC433488  Rumex fueginus John Thomas Howell 1947-10-26 24197 Marin Rodeo Lagoon Comment
  CAS-BOT-BC433664  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-BC433721  Rumex occidentalis John Thomas Howell 1947-6-18 23287 Marin North of Dillons Beach Comment
  CAS-BOT-BC433723  Rumex occidentalis John Thomas Howell 1939-6-5 s.n. Marin Pt. Reyes Dunes Comment
  CAS-BOT-BC433783  Rumex pulcher John Thomas Howell 1939-5-21 14706 Marin East side, Tiburon Pesninsula Comment
  CAS-BOT-BC433932  Rumex salicifolius John Thomas Howell 1944-6-28 19635 Marin San Rafael 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-BC434115  Rumex transitorius John Thomas Howell 1943-9-5 19315 Marin Between Tamalpais Valley and Tamalpais High School Comment
  CAS-BOT-BC434116  Rumex transitorius John Thomas Howell 1946-6-13 22021 Marin Chileno Valley 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-BC436395  Calystegia John Thomas Howell 1947-5-21 23191 Marin Tiburon Comment
  CAS-BOT-BC436396  Calystegia John Thomas Howell 1947-5-21 23192 Marin Tiburon Comment
  CAS-BOT-BC436400  Calystegia occidentalis subsp. occidentalis John Thomas Howell 1946-6-20 23138 Marin Sausalito Comment
  CAS-BOT-BC436401  Calystegia occidentalis subsp. occidentalis John Thomas Howell 1946-6-20 22112 Marin 2 miles S of Olema Comment
  CAS-BOT-BC436403  Calystegia subacaulis John Thomas Howell 1939-5-21 s.n. Marin W. Tiburon Comment
  CAS-BOT-BC436408  Calystegia subacaulis John Thomas Howell 1946-5-16 s.n. Marin W. Angel Island Comment
  CAS-BOT-BC436500  Ligusticum apiifolium John Thomas Howell 1941-6-8 16262 Marin Hills NE of San Rafael Comment
  CAS-BOT-BC439219  Claytonia exigua subsp. exigua John Thomas Howell 1945-4-29 s.n. Marin Above Camp Handy, Mt. Tamalpais Comment
  CAS-BOT-BC439224  Claytonia exigua subsp. exigua John Thomas Howell 1946-3-24 21579 Marin Carson Ridge Comment
  CAS-BOT-BC439227  Claytonia exigua subsp. exigua John Thomas Howell 1946-3-24 21578 Marin Carson Ridge Comment
  CAS-BOT-BC439233  Claytonia exigua subsp. exigua John Thomas Howell 1946-3-17 s.n. Marin Potrero Meadows, Mt. Tamalpais Comment
  CAS-BOT-BC439235  Claytonia exigua subsp. exigua John Thomas Howell 1946-3-24 21579 Marin Carson Ridge Comment
  CAS-BOT-BC439353  Claytonia gypsophiloides John Thomas Howell 1946-3-24 21563 Marin Fairfax Hills Comment
  CAS-BOT-BC441317  Luzula subsessilis John Thomas Howell 1969-4-27 45557 Marin Near west end of Lucas Valley Comment
  CAS-BOT-BC444903  Montia fontana John Thomas Howell 1940-3-17 s.n. Marin Lagunitas Meadows, Mt. Tamalpais 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-BC445232  Portulaca oleracea John Thomas Howell 1984-8-5 s.n. Marin Growing in the Safeway Lot near Freitas Parkway, Terra Linda, San Rafael Comment
  CAS-BOT-BC445386  Alisma plantago-aquatica John Thomas Howell 1944-7-9 19718 Marin South of Tomales Bay 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-BC445604  Echinodorus berteroi John Thomas Howell 1959-11-4 35119 Marin 11 miles from Marshall on road to Petaluma 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-BC451610  Lilaea scilloides John Thomas Howell 1941-6-8 16273 Marin Near McNear's Landing Comment
  CAS-BOT-BC451833  Triglochin maritima John Thomas Howell 1944-7-9 19710 Marin South end of Tomales Bay Comment
  CAS-BOT-BC451848  Triglochin maritima John Thomas Howell 1939-5-21 s.n. Marin On west side of Tiburon Peninsula Comment
  CAS-BOT-BC451850  Triglochin maritima John Thomas Howell 1941-6-8 16271 Marin Near McNear's Landing Comment
  CAS-BOT-BC451855  Triglochin maritima John Thomas Howell 1944-7-9 19711 Marin South end of Tomales Bay Comment
  CAS-BOT-BC452038  Phyllospadix torreyi John Thomas Howell 1943-10-3 19331 Marin On Muir Beach Comment
  CAS-BOT-BC453957  Potamogeton pectinatus John Thomas Howell 1939-8-27 15318 Marin Phoenix Lake Comment
  CAS-BOT-BC454104  Ruppia cirrhosa John Thomas Howell 1943-10-3 19334 Marin Muir Beach Comment
  CAS-BOT-BC454165  Ruppia maritima John Thomas Howell 1933-7-30 11469 Marin Head of Tomales Bay Comment
  CAS-BOT-BC454243  Zannichellia palustris John Thomas Howell 1947-4-30 23113 Marin Near Dillons Beach Comment
  CAS-BOT-BC456179  Najas guadalupensis John Thomas Howell 1946-9-29 23030 Marin Stinson Beach Comment
  CAS-BOT-BC457934  Fragaria vesca subsp. californica John Thomas Howell 1945-6-3 20931 Marin Shell Beach Comment
  CAS-BOT-BC468976  Allium dichlamydeum John Thomas Howell 1946-5-16 21881 Marin Angel Island, on west side Comment
  CAS-BOT-BC472707  Allium lacunosum var. lacunosum John Thomas Howell 1972-6-18 48865 Marin Near Ring Hill, Tiburon Peninsula 167 Comment
  CAS-BOT-BC472779  Allium neapolitanum John Thomas Howell 1958-4-11 33015 Marin San Rafael Comment
  CAS-BOT-BC476633  Allium unifolium John Thomas Howell 1945-6-24 21239 Marin Willow Meadow. Mt. Tamalpais. Comment
  CAS-BOT-BC484617  Brodiaea terrestris subsp. terrestris John Thomas Howell 1941-6-10 16296 Marin 9 mi. w. of Novato Comment
  CAS-BOT-BC497595  Camassia quamash subsp. linearis John Thomas Howell 1946-4-21 21679 Marin Swale near radio station, Pt. Reyes Peninsula Comment
  CAS-BOT-BC497690  Chlorogalum pomeridianum John Thomas Howell 1966-7-20 41985 Marin John Thomas Howell Botanical Garden, Tiburon Comment
  CAS-BOT-BC497695  Chlorogalum pomeridianum John Thomas Howell 1944-7-23 19845 Marin Santa Venetia Comment
  CAS-BOT-BC499200  Kopsiopsis strobilacea John Thomas Howell 1942-6-21 16993 Marin Carson Ridge Comment
  CAS-BOT-BC499305  Chlorogalum pomeridianum var. divaricatum John Thomas Howell 1942-6-21 16991 Marin Carson Ridge 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-BC499918  Orobanche fasciculata John Thomas Howell 1927-5-8 2377 Marin East slope of Mt. Tamalpais Comment
  CAS-BOT-BC510716  Maianthemum dilatatum John Thomas Howell 1946-5-5 21757 Marin Swale near radio station, Point Reyes Peninsula 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-BC527088  Xerophyllum tenax John Thomas Howell 1947-7-9 23329 Marin Above Lagunitas Lake, Mt. Tamalpais Comment
  CAS-BOT-BC527089  Xerophyllum tenax John Thomas Howell 1947-5-25 23201 Marin Kent Trail near Willow Meadow, Mt. Tamalpais Comment
  CAS-BOT-BC527402  Triteleia peduncularis John Thomas Howell 1966-7-20 41986 Marin John Thomas Howell Botanical Garden, Tiburon Comment
  CAS-BOT-BC530473  Zigadenus fontanus John Thomas Howell 1966-7-20 41984 Marin John Thomas Howell Botanical Garden, Tiburon 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-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-BC537077  Lemna minor John Thomas Howell 1944-9-24 20748 Marin Stinson Beach Comment
  CAS-BOT-BC54715  Erysimum cheiranthoides John Thomas Howell 1990-9-28 s.n. Marin At Northgate, San Rafael. Comment
  CAS-BOT-BC57880  Equisetum X ferrissii John Thomas Howell 1940-5-20 15491 Marin Point Reyes. Comment
  CAS-BOT-BC57910  Equisetum arvense John Thomas Howell 1957-7-22 32818 Marin Pt. reyes Peninsula, near Drake's Bay. 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-BC61492  Sedum album John Thomas Howell 1959-9-10 s.n. Marin Garden of Mrs. James Jenkins, Bolinas. Comment
  CAS-BOT-BC63780  Sedum radiatum subsp. radiatum John Thomas Howell 1946-7-7 22220 Marin Arturo trail at Potrero Meadow, Mt. Tamalpais. Comment
  CAS-BOT-BC66350  Cheilanthes covillei John Thomas Howell 1959-8-23 34598 Marin nw. of Bootjack, Mt. Tamalpais Comment
  CAS-BOT-BC68120  Athyrium filix-femina subsp. cyclosorum John Thomas Howell 1944-7-9 19693 Marin Sunny open bog, Inverness Ridge Comment
  CAS-BOT-BC68173  Cheilanthes intertexta John Thomas Howell 1943-1-17 17877 Marin Mt. Tamalpais - Collier springs and Rifle Camp Comment
  CAS-BOT-BC68716  Athyrium filix-femina var. californicum John Thomas Howell 1966-4-18 41507 Marin John Thomas Howell Botanical Garden, Tiburon 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-BC69878  Isoetes nuttallii John Thomas Howell 1947-5-25 23203 Marin Mt. Tamalpais. Comment
  CAS-BOT-BC74543  Rorippa curvisiliqua John Thomas Howell 1946-6-16 22090 Marin Point Reyes Station. Comment
  CAS-BOT-BC74545  Rorippa curvisiliqua John Thomas Howell 1947-4-27 23077 Marin Bald Mountain west of San Anselmo. Comment
  CAS-BOT-BC76853  Polypodium calirhiza John Thomas Howell 1947-3-23 23046 Marin Mt. Tamalpais - Cataract Gulch 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-BC88482  Thysanocarpus curvipes John Thomas Howell 1944-4-13 19376 Marin Big Rock Ridge west of Hamilton Field. Comment
  CAS-BOT-BC89086  Lepidium didymum John Thomas Howell 1940-5-20 s.n. Marin Point Reyes Lighthouse. Comment
  CDA2933  Atriplex semibaccata J. T. Howell 1943-11-21 19338 Marin West of San Quentin near Greenbrae. 0 Comment
  CDA3327  Mirabilis jalapa J. T. Howell 1969-6-3 45865 Marin Irwin Street bridge, San Rafael . 0 Comment
  CDA3627  Barbarea verna J. T. Howell 1975-6-29 51325 Marin Goodhill Road at Diablo, Kentfield. 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
  CDA4653  Geranium potentilloides J. T. Howell 1969-4-2 45514 Marin Point Reyes National Seashore, Meadow Trail to Mt. Wittenberg. 0 Comment
  CDA4704  Oxalis micrantha J. T. Howell 1946-6-2 22099 Marin Stinson Beach. 0 Comment
  CDA5218  Ludwigia uruguayensis J. T. Howell 1945-7-1 21259 Marin Willow thicket, Tiburon. 0 Comment
  CDA62  Cakile maritima J. T. Howell 1943-10-3 19333 Marin Muir Beach. Comment
  CDA6610  Plantago truncata subsp. firma J. T. Howell 1944-5-21 19500 Marin Central Western; San Francisco Bay Area region; Lagunitas Meadows north side of Mount Tamalpais; elev. 800 ft Comment
  CDA8132  Layia chrysanthemoides J. T. Howell 1970-5-1 46523 Marin West of Rock Spring, Mt. Tamalpais. 0 Comment
  JEPS58951  Castilleja affinis subsp. affinis John Thomas Howell 1942-4-19 16947 Marin Carson Ridge Comment
  LA203943  Heterotheca sessiliflora subsp. bolanderi John Thomas Howell; 1933-7-30 11465 Marin 1 mi. E of Forest Knolls Comment
  LA208414  Galium californicum subsp. californicum John Thomas Howell; 1930-7-20 5385 Marin Mt. Tamalpais on SE side. Comment
  LA208423  Galium californicum subsp. flaccidum John Thomas Howell; 1930-7-20 5381 Marin Shaded slope just S of Phoenix Lake, Marin Co Comment
  LA210112  Cuscuta subinclusa John Thomas Howell; 1930-10-5 5525 Marin 2 mi W of Marin-Sonoma Co. line Comment
  LA25808  Camissoniopsis cheiranthifolia John Thomas Howell; 1946-5-4 1 Marin Dillions Beach Comment
  LA39963  Cuscuta subinclusa John Thomas Howell; 1939-9-3 15355 Marin at mouth of San Antonio Creek 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
  POM193916  Orthocarpus erianthus var. roseus J. T. Howell 1930-4-20 4736 Marin Pt. Reyes. Comment
  POM193961  Maianthemum racemosum subsp. amplexicaule J. T. Howell 1927-9-9 3090 Marin Mill Valley Comment
  POM193967  Orthocarpus faucibarbatus var. albidus J. T. Howell 1930-4-20 4719 Marin 1 mile east of Lagunitas. Comment
  POM193968  Lomatium dasycarpum subsp. dasycarpum J. T. Howell 1930-4-20 4718 Marin 1 mile east of Lagunitas Comment
  POM193969  Lasthenia minor J. T. Howell 1930-4-20 4733 Marin Pt. Reyes. Comment
  POM194215  Sanicula laciniata J. T. Howell 1927-3-20 2290 Marin Cote Madera Ridge 305 Comment
  POM196452  Madia exigua J. T. Howell 1927-5-8 2378 Marin East slope of Mt. Tamalpais 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
  POM215031  Plantago erecta J. T. Howell 1930-4-20 4721 Marin Point Reyes Peninsula, 5 miles from Inverness. Comment
  POM261377  Cirsium quercetorum J. T. Howell 1939-6-18 14774 Marin Near Mud Lake 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
  POM273088  Oxalis laxa J. T. Howell 1946-6-20 22099 Marin Stinson Beach. Comment
  POM273112  Anthoxanthum aristatum J. T. Howell 1945-5-9 20856 Marin between Hamilton Field and Ignacio, Marin County Comment
  POM299073  Phacelia distans J. T. Howell 1930-4-20 4741 Marin Pt. Reyes Comment
  POM303725  Amaranthus deflexus J. T. Howell 1944-7-23 19852 Marin Along sidewalks, San Rafael. 15 Comment
  POM304547  Erigeron petrophilus J. T. Howell 1942-7-12 17034 Marin Northside Trail, Mt. Tamalpais Comment
  RSA0006850  Astragalus pycnostachyus var. pycnostachyus J. T. Howell 1945-6-30 21253 Marin Stinson Beach. 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
  RSA0021775  Ribes menziesii J. T. Howell 1940-5-20 15487 Marin Inverness. Comment
  RSA0029461  Geranium solanderi J. T. Howell 1944-7-9 19714 Marin South of Tomales Bay Comment
  RSA0034598  Parapholis incurva J. T. Howell 1945-5-6 20816 Marin San Rafael. Comment
  RSA0059502  Claytonia gypsophiloides J. T. Howell 1945-4-29 20795 Marin Serpentine ridge W of Camp Handy, Mt. Tamalpais Comment
  RSA0070566  Cirsium andrewsii J. T. Howell 1939-7-2 14818 Marin Elk Valley, east of Tennessee Cove. Comment
  RSA0075668  Cotoneaster pannosus J. T. Howell 1959-11-4 35104 Marin Sausalito. Comment
  RSA0079892  Carex brevicaulis John Thomas Howell 1946-5-4 21727 Marin Near Dillons Beach. Comment
  RSA0079898  Carex brevicaulis John Thomas Howell 1946-4-21 21683 Marin Sandy down near radio station, Pt. Reyes Peninsula. Comment
  RSA0121905  Streptanthus glandulosus subsp. pulchellus J. T. Howell 1946-5-12 21815 Marin Carson Country Comment
  RSA102193  Castilleja ambigua subsp. ambigua J. T. Howell, G. Thomas Robbins 1945-5-9 1899 Marin 0.5 mile north of Hamilton Field Air Base. Ca. sea level. 0 Comment
  RSA114322  Clarkia davyi J. T. Howell 1946-5-5 s.n. Marin Pt. Reyes Radio Station Comment
  RSA118072  Madia anomala J. T. Howell 1955-5-29 30256 Marin Near Rock Spring on Laurel Dell Trail, Mt. Tamalpais Comment
  RSA121026  Holocarpha virgata subsp. virgata J. T. Howell 1956-9-13 31876 Marin Lagunitas Meadows near Lake Lagunitas. Comment
  RSA126182  Rorippa curvipes var. truncata J. T. Howell 1946-9-8 s.n. Marin Strand of Lake Lagunitas, Tamalpais Mts Comment
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Feb 17 2009
  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
  RSA126195  Sisymbrium altissimum J. T. Howell 1942-4-23 23076 Marin Pt Reyes Road, west of Ledum Swamp. Comment
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Jul 18 2015
  RSA126210  Vicia lutea J. T. Howell 1944-5-14 19466 Marin Salmon Creek Canyon Comment
  RSA126237  Atriplex patula J. T. Howell 1945-9-13 s.n. Marin Drakes Estero Comment
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Jan 30 2008
  RSA126238  Chenopodium ambrosioides var. ambrosioides J. T. Howell 1945-8-19 21419 Marin Inverness. Comment
  RSA126459  Agrostis densiflora J. T. Howell 1946-6-30 22146 Marin Rodeo Lagoon Comment
  RSA126468  Bromus maritimus J. T. Howell 1946-6-30 22147 Marin Rodeo Lagoon Comment
  RSA126472  Agrostis gigantea J. T. Howell 1944-7-25 19644 Marin [Unspecified] Comment
  RSA126546  Microseris douglasii subsp. douglasii J. T. Howell 1941-5-25 16221 Marin Potrero Meadow, Mt. Tamalpais Comment
  RSA127052  Sparganium erectum subsp. stoloniferum J. T. Howell 1946-6-13 22028 Marin The laguna, Chileno Valley. Comment
  RSA127057  Zannichellia palustris J. T. Howell 1947-4-30 23113 Marin Near Dillons Beach. Comment
  RSA127058  Ruppia maritima J. T. Howell 1943-10-3 19334 Marin Muir Beach. Comment
  RSA127062  Juncus mexicanus J. T. Howell 1946-5-14 21835 Marin Laurel Dell, Mt. Tamalpais. Comment
  RSA127067  Juncus kelloggii J. T. Howell 1949-5-25 25337 Marin Point Reyes Peninsula. Comment
  RSA127068  Juncus mexicanus J. T. Howell 1947-5-18 23183 Marin Lagunitas Meadows. Comment
  RSA127069  Juncus xiphioides J. T. Howell 1939-10-1 15365 Marin Lake Lagunitas. Comment
  RSA127090  Achillea millefolium John T. Howell 1945-7-29 s.n. Marin Bolinas. Comment
  RSA127093  Polygonum fowleri J. T. Howell 1949-5-22 25326 Marin Salt marsh at head of Drakes Esters. Comment
  RSA127096  Lasthenia californica J. T. Howell 1947-4-30 23115 Marin Dillon's Beach. Comment
  RSA127209  Ranunculus orthorhynchus var. bloomeri J. T. Howell 1946-2-16 21556 Marin Kentfield Hills, bordering salt marshes Comment
  RSA127212  Ranunculus hebecarpus J. T. Howell 1947-4-27 23087 Marin Bald Mt. W of San Anselmo Comment
  RSA127247  Paspalum dilatatum J. T. Howell 1945-8-5 21364 Marin McKinnan's Landing near Stinson Beach Comment
  RSA127256  Athyrium filix-femina subsp. cyclosorum J. T. Howell 1950-10-11 27467 Marin Bear Valley Comment
  RSA127363  Amaranthus deflexus J. T. Howell 1939-10-1 s.n. Marin Ross Comment
  RSA127364  Amaranthus californicus J. T. Howell 1946-9-8 22998 Marin Lake Lagunitas, Mount Tamalpais Comment
  RSA128313  Stellaria nitens J. T. Howell 1947-4-27 23084 Marin Bald Mt. W of San Anselmo Comment
  RSA128532  Cirsium occidentale var. occidentale J. T. Howell 1941-5-18 16188 Marin Stinson Beach Comment
  RSA128809  Gnaphalium palustre J. T. Howell 1946-8-23 22894 Marin Pierce Point Road, Point Reyes Peninsula. Comment
  RSA128882  Filago californica J. T. Howell 1939-5-14 s.n. Marin West Point, Mt. Tamalpais Comment
  RSA128927  Pentachaeta alsinoides J. T. Howell 1947-4-27 23099 Marin Bald Mt. west of San Anselmo Comment
  RSA128937  Trifolium willdenovii J. T. Howell 1947-5-4 23130 Marin San Rafael Hills. Comment
  RSA128940  Trifolium gracilentum J. T. Howell 1940-5-20 15507 Marin Point Reyes Comment
  RSA128943  Centaurea calcitrapa J. T. Howell 1939-9-3 15342 Marin Near Novato 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
  RSA201419  Lathyrus tingitanus J. T. Howell 1959-5-21 34595 A Marin Inverness Comment
  RSA201505  Juncus kelloggii J. T. Howell 1967-6-8 42549 Marin northern Nat l Seashore beach area, Pont Reyes Peninsula Comment
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Feb 27 2013
  RSA216167  Carex densa J. T. Howell 1966-4-30 41523 Marin John Thomas Howell Botanical Garden, Tiburon. Comment
  RSA216172  Triglochin maritima J. T. Howell 1957-9-15 32960 Marin Larkspur Comment
  RSA216196  Senna multiglandulosa J. T. Howell 1959-9-10 34607 Marin Spontaneous in garden of Mrs. James Jenkins, Bolinas. Comment
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Mar 9 2012
  RSA220006  Carex praegracilis J. T. Howell 1969-5-5 45566 Marin Railroad yards, Tiburon. Comment
  RSA220025  Atriplex rosea J. T. Howell 1969-6-30 45864 Marin Waste ground bordering estuary of San Rafael Creek at Irwin Street bridge, San Rafael. 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
  RSA31378  Epilobium brachycarpum J. T. Howell 1943-9-5 19325 Marin Mill Valley Comment
  RSA31379  Epilobium brachycarpum J. T. Howell 1944-9-24 20745 Marin Stinson Beach. Comment
  RSA31383  Epilobium ciliatum subsp. ciliatum J. T. Howell 1942-7-12 17014 Marin Cascade Canyon, Mill Valley 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
  RSA31411  Oenothera elata subsp. hookeri J. T. Howell 1945-6-30 21254 Marin Stinson Beach. Comment
  RSA31418  Epilobium ciliatum subsp. watsonii J. T. Howell 1946-5-4 31737 Marin Dillon Beach. Comment
  RSA31419  Epilobium hallianum J. T. Howell 1946-6-2 21966 Marin Potrero Meadow, Mt. Tamalpais. Comment
  RSA32118  Trifolium barbigerum J. T. Howell 1946-4-18 21648 Marin Ignacio. Comment
  RSA32119  Triglochin concinna J. T. Howell 1944-7-9 19711 Marin South end of Tomales Bay Comment
  RSA32127  Leontodon taraxacoides subsp. taraxacoides J. T. Howell 1945-7-29 21333 Marin Bolinas. Comment
  RSA32136  Ludwigia hexapetala J. T. Howell 1945-7-1 21259 Marin Tiburon. Comment
  RSA32142  Lathyrus tingitanus J. T. Howell 1945-7-1 21260 Marin Tiburon. Comment
  RSA32479  Lagophylla ramosissima J. T. Howell 1945-9-2 21453 Marin San Rafael Hills. Comment
  RSA40152  Amaranthus deflexus J. T. Howell 1944-7-23 19852 Marin Along sidewalks, San Rafael. 15 Comment
  RSA40164  Plantago truncata subsp. firma J. T. Howell 1944-5-21 19500 Marin Lagunitas Meadows north side of Mount Tamalpais. 244 Comment
  RSA424277  Plantago truncata subsp. firma J. T. Howell 1944-5-21 19500 Marin Lagunitas Meadows north side of Mount Tamalpais. 244 Comment
  RSA44356  Lathyrus torreyi J. T. Howell 1940-5-12 15424 Marin Between Little Carson and Carson Ridge. Comment
  RSA44361  Lathyrus vestitus subsp. bolanderi J. T. Howell 1940-5-20 15516 Marin Point Reyes 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
  RSA51939  Carex gynodynama J. T. Howell 1947-5-25 23202 Marin Willow Meadow, Mt. Tamalpais. Comment
  RSA51979  Carex ovalis J. T. Howell 1946-6-2 21971 Marin Potrero Meadow, Mt. Tamalpais. Comment
  RSA52003  Carex bolanderi J. T. Howell 1944-6-4 19540 Marin Inverness Ridge west of Inverness. Comment
  RSA52309  Carex cusickii J. T. Howell 1942-7-12 17021 Marin Potrero Meadows, 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
  RSA52332  Carex barbarae J. T. Howell 1943-9-19 s.n. Marin Dry hills overlooking Escalle Salt Marsh. Comment
  RSA53839  Anagallis minima J. T. Howell 1945-6-12 20945 Marin Low moist place, Potrero Meadow. Mt. Tamalpais. Comment
  RSA584266  Lepidium sativum J. T. Howell 1986-10-29 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
  RSA69810  Centaurium muehlenbergii J. T. Howell 1938-7-3 13944 Marin At head of Lucas Valley. Comment
  RSA7692  Calystegia purpurata J. T. Howell 1933-4-30 11197 Marin North side of Mt. Tamalpais. Comment
  RSA78616  Streptanthus glandulosus J. T. Howell 1944-5-21 19488 Marin South side of Phoenix Lake, Mt Tamalpais. Comment
  RSA88332  Campanula griffinii J. T. Howell 1946-7-7 22198 Marin South of Barths Retreat, Mt. Tamalpais. Comment
  RSA91166  Lessingia hololeuca John T. Howell 1926-9-9 2192 Marin Baltimore Park Comment
  RSA91414  Trifolium albopurpureum J. T. Howell 1933-4-30 11190 Marin North side of Mt. Tamalpais. Comment
  RSA91547  Trifolium amoenum J. T. Howell 1933-4-30 11200 Marin Phoenix Lake. Comment
  RSA91663  Carex obnupta J. T. Howell, J. W. Stacey 1936-6-7 s.n. Marin On road to Point Reyes. Comment
  RSA92968  Chorizanthe cuspidata var. villosa J. T. Howell 1946-6-9 21999 Marin Abbott's Lagoon Comment
  RSA93382  Calamagrostis rubescens J. T. Howell 1945-8-12 21377 Marin Cascade Canyon, Mill Valley Comment
  RSA93385  Agrostis hendersonii J. T. Howell 1947-4-23 23062 Marin Drakes Estero West of Mt. Vision Comment
  RSA98706  Salix hookeriana J. T. Howell 1952-6-3 28324 Marin Near Ledum Swamp. Pt. Reyes Peninsula. Comment
  RSA992  Cupressus sargentii J. T. Howell 1927-8-22 678 Marin Rock Spring Trail, Mt Tamalpais. 548 Comment
  SBBG28196  Eriogonum vimineum J. T. Howell 1937-7-4 13088 Marin Tiburon Comment
  SBBG41367  Cuscuta californica J. T. Howell 1944-9-3 Marin head of Cascade Cyn, Mt Tamalpais Comment
  SEINET10511142  Alopecurus howellii John Thomas Howell 1946-5-4 Howell 21702 Marin East of Auora School, at Sonoma County line, Comment
  SEINET10520183  Bromus carinatus John Thomas Howell 1945-6-24 Howell s.n. Marin Mt. Tamalpais, Marin County. Comment
  SEINET10521053  Calamagrostis crassiglumis John Thomas Howell 1947-6-4 Howell 1412 Marin Point Reyes Peninsula. Swale near radio station. Comment
  SEINET10559298  Festuca idahoensis John Thomas Howell 1947-4-4 Howell s.n. Marin Black Canyon, Comment
  SEINET10563839  Panicum huachucae var. fasciculatum John Thomas Howell 1943-7-3 Howell 18247 Marin Near Bootjack, Mount Tamalpais. 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
  SEINET10599674  Melica torreyana John Thomas Howell 1939-5-14 Howell 14678 Marin Serpentine area near Collier Spring, Mt. Tamalpais. Comment
  SEINET10604441  Vulpia microstachys var. ciliata John Thomas Howell 1945-5-27 Howell 20882 Marin Northeast of Mountain Theater, Mt. Tamalpais. Comment
  SEINET10604454  Vulpia microstachys var. pauciflora John Thomas Howell 1943-5-15 Howell 18092 Marin Tiburon Peninsula. 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
  SEINET10610160  Leymus X multiflorus John Thomas Howell 1943-9-5 Howell 19314 Marin Between Tamalpais Valley and Tamalpais Hig School. 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
  SEINET10868861  Agrostis tenuis John Thomas Howell 1945-6-12 Howell 20955 Marin Near radis station, Point Reyes. Comment
  SEINET10893344  Vulpia microstachys var. pauciflora John Thomas Howell 1943-5-22 Howell 18140 Marin Fairfax hills. Comment
  SEINET10900463  Deschampsia danthonioides John Thomas Howell 1943-5-15 Howell 18100 Marin Tiburon Peninsula. Comment
  SEINET10920988  Poa kelloggii John Thomas Howell 1950-5-18 Howell 26311 Marin Lagunitas Creek near Camp Taylor, Marin County. Comment
  SEINET10925826  Leymus vancouverensis John Thomas Howell 1945-6-30 Howell 21251 Marin Stinson Beach. Comment
  SEINET10926504  Polypogon interruptus John Thomas Howell 1939-5-21 Howell s.n. Marin W. Tburan, Mt. Tamalpais. Comment
  SEINET10959759  Scribneria bolanderi John Thomas Howell 1945-5-27 Howell 20879 Marin Serpentine area above Bootjack, Mt. Tamalpais, . Comment
  SEINET10959970  Parapholis incurva John Thomas Howell 1945-5-6 Howell 20816 Marin Edge of salt marsh just above high tide, San Rafael. Comment
  SEINET10966937  Bromus macrostachys John Thomas Howell 1947-4-27 Howell 23096 Marin Steep grassy slope in clay soil, Bald Mt. west of San Anselmo. 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
  SEINET12896494 Image available Lupinus tidestromii var. layneae J. T. Howell 1939-1 14729 Marin Point Reyes Peninsula Comment
  SEINET13945881 Image available Ceanothus foliosus John Thomas Howell 1948-1 24298 Marin Upper part of Cascade Canyon, Mt. Tamalpais Comment
  SEINET199893  Agrostis diegoensis John Thomas Howell 1937-5-21 Marin S. Tiburon 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
  SEINET199905  Agrostis diegoensis John Thomas Howell 1943-7-11 18286 Marin Near Bootjack Mt. Tamalpais. Comment
  SEINET199929  Micropus amphibolus J. T. Howell 1943-5-2 17938 Marin Canyon of San Anselmo Creek Comment
  SEINET3404244 Image available Triglochin concinna John Thomas Howell 1945-6-30 21256 Marin Stinson Beach, Salt marsh bordering Bolinas Lagoon Comment
  SEINET3560013 Image available Lotus strigosus John Thomas Howell 1949-5-16 21869 Marin Angel Island, south side 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
  SEINET7559872 Image available Carex globosa John Thomas Howell 1952-5-30 28318 Marin Potrero Meadow, Mt. Tamalpais. Comment
  SEINET7559896 Image available Carex globosa John Thomas Howell 1933-4-30 11193 Marin North side of Mt. Tamalpais. Comment
  SEINET7614631 Image available Anthoxanthum occidentale John Thomas Howell 1945-1 20781 Marin Fish Grade, Mt. Tamalpais Comment
  SEINET7847007 Image available Carex globosa J. T. Howell 1944-4-2 19368 A Marin SE of Laurel Del. Mount Tamalpais Comment
  UC1008735  Navarretia heterodoxa John Thomas Howell 1942-9-13 17866 Marin above San Anselmo Canyon (trail to Carson Ridge) Comment
  UC1106078  Bolboschoenus maritimus John Thomas Howell 1945-8-19 21438 Marin At head of Drakes Bay. Comment
  UC1106295  Elodea canadensis John Thomas Howell 1943-9-5 19322 A Marin just s Mill Valley Comment
  UC1106299  Juncus kelloggii John Thomas Howell 1949-5-25 25337 Marin Point Reyes Peninsula Comment
  UC1106305  Myriophyllum hippuroides John Thomas Howell 1946-6-20 22111 Marin Pond 2 mi S of Olema. Comment
  UC1176776  Claytonia exigua subsp. exigua John Thomas Howell 1946-5-12 Marin above Little Carson Comment
  UC1176915  Polygonum douglasii subsp. spergulariiforme John Thomas Howell 1947-9-6 24182 Marin e Dillons Beach 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
  UC1177279  Stephanomeria virgata subsp. pleurocarpa John Thomas Howell 1946-9-22 23029 Marin Bald Mt. Comment
  UC1177310  Helenium bigelovii John Thomas Howell 1946-5-30 21964 Marin w of Little Carson Falls Comment
  UC1177510  Polystichum californicum John Thomas Howell 1948-5-22 24309 Marin Camp Tucker Mt. Tamalpais Comment
  UC1177514  Isoetes howellii John Thomas Howell 1947-5-25 23204 Marin Mt. Tamalpais, Willow Meadow Comment
  UC421706  Ambrosia psilostachya John Thomas Howell 2189 Marin near San Rafael Comment
  UC672106  Fritillaria affinis John Thomas Howell 1930-3-9 4551 Marin Point Reyes 152 Comment
  UC750712  Triglochin maritima John Thomas Howell 1945-6-30 21256 Marin marsh bordering Bolinas Lagoon; Stinson Beach, Bolinas Lagoon Comment
  UCD103058  Erodium botrys John Thomas Howell 1947-4-13 23058 Marin Tiburon Peninsula. Comment
  UCD103128  Erodium brachycarpum John Thomas Howell 1947-5-18 23182 Marin East end Alpine Lake. Comment
  UCD103497  Geranium core-core John Thomas Howell 1944-7-23 19843 Marin San Rafael. Comment
  UCD106690  Lathyrus tingitanus John Thomas Howell 1945-7-1 21260 Marin Tiburon. Comment
  UCD108781  Vicia benghalensis John Thomas Howell 1945-5-20 s.n. Marin Tiburon. Comment
  UCD108782  Vicia benghalensis John Thomas Howell 1945-5-20 s.n. Marin Tiburon. Comment
  UCD114951  Cakile maritima John Thomas Howell 1943-10-3 19333 Marin Above high tide line, Muir Beach. Comment
  UCD119621  Amsinckia intermedia John Thomas Howell 1945-5-13 20863 Marin Deer Park near Fairfax. Comment
  UCD119679  Amsinckia intermedia John Thomas Howell 1933-4-30 11199 Marin Phoenix Lake. Comment
  UCD119792  Cryptantha flaccida John Thomas Howell 1947-4-27 23100 Marin Bald Mountain, west of San Anselmo. Comment
  UCD120595  Phacelia imbricata John Thomas Howell 1943-5-22 18134 Marin Fairfax Hills. Comment
  UCD120774  Plagiobothrys bracteatus John Thomas Howell 1941-6-10 16274 Marin Near Black Point. Comment
  UCD121817  Galium murale John Thomas Howell 1947-7-6 23324 Marin Laurel Dell, Mt. Tamalpais. Comment
  UCD124411  Plantago elongata John Thomas Howell 1947-4-30 23109 Marin Dillons Beach. Comment
  UCD125196  Monardella purpurea John Thomas Howell 1946-6-23 22115 Marin Carson Ridge on burn. Comment
  UCD126149  Calystegia occidentalis John Thomas Howell 1947-5-8 23137 Marin Sausalito. Comment
  UCD126371  Dichondra donelliana John Thomas Howell 1947-5-8 23147 Marin Sausalito. Comment
  UCD133520  Lactuca saligna John Thomas Howell 1943-9-25 19324 Marin southern part of Mill Valley. 7 Comment
  UCD133981  Leontodon saxatilis John Thomas Howell 1945-7-29 21333 Marin Bolinas. Comment
  UCD135626  Senecio minimus John Thomas Howell 1944-6-25 s.n. Marin near Chinese Camp. Comment
  UCD137543  Plectritis congesta subsp. brachystemon John Thomas Howell 1947-5-18 23184 Marin Lagunitas Meadows. Comment
  UCD138566  Allium neapolitanum John Thomas Howell 1958-8-11 33015 Marin San Rafael. Comment
  UCD140239  Carex cusickii John Thomas Howell 1958-6-28 33641 Marin Mt. Tamalpais. Comment
  UCD142600  Euphorbia maculata John Thomas Howell 1954-9-23 s.n. Marin Ross, M. H. Esberg Garden. Comment
  UCD142684  Euphorbia prostrata John Thomas Howell 1942-7-6 23328 Marin Mill Valley. Comment
  UCD51983  Agrostis densiflora John Thomas Howell 1945-6-3 20922 Marin Twin Beaches. Comment
  UCD72557  Heterocodon rariflorum John Thomas Howell 1940-5-12 15421 Marin Lagunitas Creek. Comment
  UCD97701  Atriplex semibaccata John Thomas Howell 1943-11-21 19338 Marin west of San Quentin, near Greenbrae. Comment
  UCD97704  Atriplex semibaccata John Thomas Howell 1943-11-21 19338 Marin west of San Quentin, near Greenbrae. Comment
  UCD98222  Lychnis coronaria John Thomas Howell 1953-7-26 29125 Marin above Camp Eastwood, Mt. Tamalpais. Comment



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