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CCH1:
Featuring California vascular plant data from the Consortium of California Herbaria and other sources
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Search Results
— 1709 specimen records retrieved (984 records with coordinates)
Results for search: County=SAN FRANCISCO; Source=All; Collector=Howell; Map/download results: BerkeleyMapper with layers and yellow flags |
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| Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/). | |
| Records are made available under the CCH Data Use Terms. |
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Click on column header to sort data (* sorts by family); click in leftmost checkbox to select record. CCH Help Page.
A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ... |
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| ? | Specimen ID | Determination * | Collector | Collection Date | Collection Number | County | Locality | Elevation in meters | Feedback | |
|---|---|---|---|---|---|---|---|---|---|---|
| CAS-BOT-BC100188 | Bellis perennis | John Thomas Howell | 1957-5-26 | 32443 | San Francisco | North base of Lone Mt. | Comment | |||
| CAS-BOT-BC101400 | Corethrogyne filaginifolia | John Thomas Howell | 1957-6-30 | 32785 | San Francisco | Hunters Point | Comment | |||
| CAS-BOT-BC101401 | Corethrogyne filaginifolia | John Thomas Howell | 1957-5-6 | 32190 | San Francisco | Hunters Point | Comment | |||
| CAS-BOT-BC101753 | Myrica californica | John Thomas Howell | 1926-11-7 | 2235 | San Francisco | near Lake Merced, San Francisco | Comment | |||
| CAS-BOT-BC105786 | Cirsium andrewsii | John Thomas Howell | 1958-6-3 | 33627 | San Francisco | Fort Point, San Francisco | Comment | |||
| CAS-BOT-BC105801 | Cirsium andrewsii | John Thomas Howell | 1933-7-9 | 11424 | San Francisco | Lake Merced, San Francisco | Comment | |||
| CAS-BOT-BC105802 | Cirsium andrewsii | John Thomas Howell | 1933-7-9 | 11424 | San Francisco | Lake Merced, San Francisco | Comment | |||
| CAS-BOT-BC105803 | Cirsium andrewsii | John Thomas Howell | 1957-10-5 | 32985 | San Francisco | Fort Point, Presidio, San Francisco | Comment | |||
| CAS-BOT-BC105804 | Cirsium andrewsii | John Thomas Howell | 1957-10-5 | 32985 | San Francisco | Fort Point, Presidio, San Francisco | Comment | |||
| CAS-BOT-BC105805 | Cirsium andrewsii | John Thomas Howell | 1957-10-5 | 32985 | San Francisco | Fort Point, Presidio, San Francisco | Comment | |||
| CAS-BOT-BC105806 | Cirsium andrewsii | John Thomas Howell | 1957-10-5 | 32985 | San Francisco | Fort Point, Presidio, San Francisco | Comment | |||
| CAS-BOT-BC105848 | Cirsium andrewsii | John Thomas Howell | 1958-6-3 | 33627 | San Francisco | Fort Point, San Francisco | Comment | |||
| CAS-BOT-BC105849 | Cirsium andrewsii | John Thomas Howell | 1958-6-3 | 33627 | San Francisco | Fort Point, San Francisco | Comment | |||
| CAS-BOT-BC105850 | Cirsium andrewsii | John Thomas Howell | 1958-6-3 | 33627 | San Francisco | Fort Point, San Francisco | Comment | |||
| CAS-BOT-BC107162 | Salix lasiolepis var. bigelovii | John Thomas Howell | 1957-5-26 | 32420 | San Francisco | North base of Lone Mt. - San Francisco | Comment | |||
| CAS-BOT-BC107187 | Salix lasiolepis var. bigelovii | John Thomas Howell | 1956-8-12 | 21757 | San Francisco | Swamp, Alemany Blvd. near Bayshore Freeway - San Francisco | Comment | |||
| CAS-BOT-BC107215 | Salix lasiolepis var. bigelovii | John Thomas Howell | 1957-5-17 | s.n. | San Francisco | Bayview Hills - San Francisco | Comment | |||
| CAS-BOT-BC107232 | Salix lasiolepis var. bigelovii | John Thomas Howell | 1958-2-20 | 33013 | San Francisco | North side of Lone Mt. - San Francisco | Comment | |||
| CAS-BOT-BC107233 | Salix lasiolepis var. bigelovii | John Thomas Howell | 1956-6-10 | 31522 | San Francisco | North slope of Bay View Hills - San Francisco | Comment | |||
| CAS-BOT-BC109219 | Polygonum paronychia | John Thomas Howell | 1924-10-19 | 700 | San Francisco | San Francisco. Lake Merced. | Comment | |||
| CAS-BOT-BC109220 | Polygonum paronychia | John Thomas Howell | 1957-5-26 | 32450 | San Francisco | San Francisco. North base of Lone Mountain. | Comment | |||
| CAS-BOT-BC110527 | Polygonum | John Thomas Howell | 1957-5-17 | 32309 | San Francisco | San Francisco. Bayview Hills. | Comment | |||
| CAS-BOT-BC111598 | Schoenoplectus californicus | John Thomas Howell | 1926-7-15 | 2078 | San Francisco | Lake Merced, San Francisco | Comment | |||
| CAS-BOT-BC111742 | Schoenoplectus pungens var. badius | John Thomas Howell | 1926-7-15 | 2077 | San Francisco | Lake Merced | Comment | |||
| CAS-BOT-BC111745 | Schoenoplectus pungens var. badius | John Thomas Howell | 1954-4-12 | s.n. | San Francisco | Lake Merced. | Comment | |||
| CAS-BOT-BC112161 | Eleocharis radicans | John Thomas Howell | 1926-11-7 | 2244 | San Francisco | Lake Merced | Comment | |||
| CAS-BOT-BC112528 | Isolepis cernua | John Thomas Howell | 1956-6-5 | 31486 | San Francisco | North slope of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC112529 | Isolepis cernua | John Thomas Howell | 1926-11-7 | 2242 | San Francisco | Lake Merced. | Comment | |||
| CAS-BOT-BC113152 | Eleocharis palustris | John Thomas Howell | 1956-6-5 | 31496 | San Francisco | North slope of Bayview Hills. | Comment | |||
| CAS-BOT-BC114326 | Cyperus esculentus | John Thomas Howell | 1957-8-6 | 32874 | San Francisco | Strybing Arboretum, Golden Gate Park | Comment | |||
| CAS-BOT-BC114533 | Cyperus eragrostis | John Thomas Howell | 1956-6-5 | 31502 | San Francisco | North slope of Bayview Hills | Comment | |||
| CAS-BOT-BC114978 | Carex vulpinoidea | John Thomas Howell | 1957-8-5 | 32868 | San Francisco | Strybing Arboretum, Golden Gate Park. | Comment | |||
| CAS-BOT-BC115501 | Carex tumulicola | John Thomas Howell | 1937-5-23 | 13011 | San Francisco | Presidio | Comment | |||
| CAS-BOT-BC115502 | Carex tumulicola | John Thomas Howell | 1937-5-23 | 13011 | San Francisco | Presidio | Comment | |||
| CAS-BOT-BC116857 | Carex subbracteata var. subbracteata | John Thomas Howell | 1957-5-28 | 32516 | San Francisco | NW side of Lone Mt. | Comment | |||
| CAS-BOT-BC116858 | Carex subbracteata var. subbracteata | John Thomas Howell | 1957-5-17 | 32269 | San Francisco | Bayview Hills | Comment | |||
| CAS-BOT-BC116860 | Carex subbracteata var. subbracteata | John Thomas Howell | 1957-5-26 | 32471 | San Francisco | North base of Lone Mt. | Comment | |||
| CAS-BOT-BC116861 | Carex subbracteata var. subbracteata | John Thomas Howell | 1956-6-10 | 31540 | San Francisco | North slope of Bay View Hills. | Comment | |||
| CAS-BOT-BC116862 | Carex subbracteata var. subbracteata | John Thomas Howell | 1937-5-23 | 12994 | San Francisco | Presidio | Comment | |||
| CAS-BOT-BC123716 | Grindelia hirsutula var. maritima | John Thomas Howell | 1933-9-15 | 11658 | San Francisco | San Francisco. Laguna Honda. | Comment | |||
| CAS-BOT-BC124474 | Salix lasiolepis var. lasiolepis | John Thomas Howell | 1958-2-20 | 33014 | San Francisco | North side of Lone Mt. | Comment | |||
| CAS-BOT-BC124475 | Salix lasiolepis var. lasiolepis | John Thomas Howell | 1958-2-20 | 33012 | San Francisco | North side of Lone Mt. | Comment | |||
| CAS-BOT-BC125345 | Salix lasiandra var. lasiandra | John Thomas Howell | 1956-9-2 | s.n. | San Francisco | Lake Merced | Comment | |||
| CAS-BOT-BC125350 | Salix lasiandra var. lasiandra | John Thomas Howell | 1956-7-22 | 31708 | San Francisco | Near bay at north base of Bayview Hills | Comment | |||
| CAS-BOT-BC125353 | Salix lasiandra var. lasiandra | John Thomas Howell | 1957-6-11 | 32612 | San Francisco | North base of Lone Mt. | Comment | |||
| CAS-BOT-BC12547 | Lepidium nitidum | John Thomas Howell | 1957-5-6 | 32219 | San Francisco | San Francisco. Hunters Point. | Comment | |||
| CAS-BOT-BC127042 | Agrostis exarata | John Thomas Howell | 1956-9-2 | 31834 | San Francisco | San Francisco. Northeast end of Lake Merced. | Comment | |||
| CAS-BOT-BC127043 | Agrostis exarata | John Thomas Howell | 1956-8-26 | 31795 | San Francisco | San Francisco. Pine Lake. | Comment | |||
| CAS-BOT-BC127044 | Agrostis exarata | John Thomas Howell | 1957-5-26 | 32448 | San Francisco | San Francisco. North base of Lone Mountain. | Comment | |||
| CAS-BOT-BC127045 | Agrostis exarata | John Thomas Howell | 1956-8-26 | 31796 | San Francisco | San Francisco. Pine Lake. | Comment | |||
| CAS-BOT-BC127051 | Agrostis exarata | John Thomas Howell | 1957-6-11 | 32588 | San Francisco | San Francisco. North slope of Lone Mountain. | Comment | |||
| CAS-BOT-BC127052 | Agrostis exarata | John Thomas Howell | 1957-6-11 | 32587 | San Francisco | San Francisco. North slope of Lone Mountain. | Comment | |||
| CAS-BOT-BC127451 | Agrostis capillaris | John Thomas Howell | 1957-6-17 | 32680 | San Francisco | san francisco. Lone Mountain. | Comment | |||
| CAS-BOT-BC127452 | Agrostis capillaris | John Thomas Howell | 1957-7-16 | 32812 | San Francisco | san francisco. Park Merced. | Comment | |||
| CAS-BOT-BC127453 | Agrostis capillaris | John Thomas Howell | 1957-7-16 | 32813 | San Francisco | san francisco. Park Merced. | Comment | |||
| CAS-BOT-BC127454 | Agrostis capillaris | John Thomas Howell | 1956-7-15 | 31676 | San Francisco | san francisco. Waterfront Street near Mission Rock Terminal. | Comment | |||
| CAS-BOT-BC127455 | Agrostis capillaris | John Thomas Howell | 1957-6-11 | 32576 | San Francisco | San Francisco. North slope of Lone Mountain. | Comment | |||
| CAS-BOT-BC127499 | Agrostis capillaris | John Thomas Howell | 1956-7-29 | 31730 | San Francisco | san francisco. Along road, McLaren Park. | Comment | |||
| CAS-BOT-BC127500 | Agrostis capillaris | John Thomas Howell | 1957-8-5 | 32860 | San Francisco | san francisco. In Strybing Arboretum Golden Gate Park. | Comment | |||
| CAS-BOT-BC12934 | Lepidium strictum | John Thomas Howell | 1957-5-22 | 32392 | San Francisco | San Francisco. Bayview Hills. | Comment | |||
| CAS-BOT-BC12935 | Lepidium strictum | John Thomas Howell | 1957-5-6 | 32226 | San Francisco | San Francisco. Hunters Point. | Comment | |||
| CAS-BOT-BC13026 | Lepidium virginicum | John Thomas Howell | 1956-10-28 | 31936 | San Francisco | San Francisco. Presidio. Mountain Lake. | Comment | |||
| CAS-BOT-BC13151 | Agoseris hirsuta | John Thomas Howell | 1956-6-10 | 31509 | San Francisco | North slope of Bayview Hills | Comment | |||
| CAS-BOT-BC13152 | Agoseris hirsuta | John Thomas Howell | 1957-5-17 | s.n. | San Francisco | Bayview Hills | Comment | |||
| CAS-BOT-BC13153 | Agoseris hirsuta | John Thomas Howell | 1957-5-5 | 32168 | San Francisco | East end of 22nd Street | Comment | |||
| CAS-BOT-BC133639 | Iris longipetala | John Thomas Howell | 1956-6-10 | 31542 | San Francisco | North slope of Bay View Hills | Comment | |||
| CAS-BOT-BC137303 | Piperia elegans | John Thomas Howell | 1956-8-26 | 31818 | San Francisco | Field redacted by CAS, contact the data manager for more information | Comment | |||
| CAS-BOT-BC137697 | Anthoxanthum odoratum | John Thomas Howell | 1958-5-9 | 33025 | San Francisco | San Francisco. Golden Gate Park near 8th Avenue entrance. | Comment | |||
| CAS-BOT-BC137701 | Anthoxanthum odoratum | John Thomas Howell | 1958-5-9 | 33025 | San Francisco | San Francisco. Golden Gate Park near 8th Avenue entrance. | Comment | |||
| CAS-BOT-BC137702 | Anthoxanthum odoratum | John Thomas Howell | 1944-6-14 | 19628 | San Francisco | San Francisco. Laurel Hill Cemetery. | Comment | |||
| CAS-BOT-BC137703 | Anthoxanthum odoratum | John Thomas Howell | 1956-7-29 | 31731 | San Francisco | San Francisco. McLaren Park. | Comment | |||
| CAS-BOT-BC137705 | Anthoxanthum odoratum | John Thomas Howell | 1958-5-9 | 33025 | San Francisco | San Francisco. Golden Gate Park near 8th Avenue entrance. | Comment | |||
| CAS-BOT-BC137873 | Ammophila arenaria | John Thomas Howell | 1956-9-9 | 31858 | San Francisco | San Francisco. Southeast end of Lake Merced. | Comment | |||
| CAS-BOT-BC138265 | Aira caryophyllea var. caryophyllea | John Thomas Howell | 1957-5-17 | 32278 | San Francisco | San Francisco. Bayview Hills. | Comment | |||
| CAS-BOT-BC138270 | Aira caryophyllea var. caryophyllea | John Thomas Howell | 1957-5-26 | 32473 | San Francisco | San Francisco. North base of Lone Mountain. | Comment | |||
| CAS-BOT-BC138602 | Agrostis stolonifera | John Thomas Howell | 1957-8-21 | 32918 | San Francisco | San Francisco. Quarry Lake, Golden Gate Park. | Comment | |||
| CAS-BOT-BC138603 | Agrostis stolonifera | John Thomas Howell | 1957-8-5 | 32862 | San Francisco | San Francisco. In Strybing Arboretum, Golden Gate Park. | Comment | |||
| CAS-BOT-BC138605 | Agrostis stolonifera | John Thomas Howell | 1957-9-1 | 32924 | San Francisco | San Francisco. Sutro Heights above point Lobos. | Comment | |||
| CAS-BOT-BC138606 | Agrostis stolonifera | John Thomas Howell | 1956-7-29 | 31740 | San Francisco | San Francisco. South of Bayview Hills. | Comment | |||
| CAS-BOT-BC138607 | Agrostis stolonifera | John Thomas Howell | 1957-7-28 | 32827 | San Francisco | San Francisco. North side of Bayview Hills. | Comment | |||
| CAS-BOT-BC138608 | Agrostis stolonifera | John Thomas Howell | 1957-8-5 | 32861 | San Francisco | San Francisco. In Strybing Arboretum, Golden Gate Park. | Comment | |||
| CAS-BOT-BC138609 | Agrostis stolonifera | John Thomas Howell | 1956-10-28 | 31931 | San Francisco | San Francisco. Mountain Lake, Presidio. | Comment | |||
| CAS-BOT-BC138610 | Agrostis stolonifera | John Thomas Howell | 1957-8-21 | 32918 | San Francisco | San Francisco. Quarry Lake, Golden Gate Park. | Comment | |||
| CAS-BOT-BC138611 | Agrostis stolonifera | John Thomas Howell | 1956-8-12 | 31746 | San Francisco | San Francisco. On Alemany Boulevard, near Trumbull Street. | Comment | |||
| CAS-BOT-BC138614 | Agrostis stolonifera | John Thomas Howell | 1954-8-2 | s.n. | San Francisco | San Francisco. 400 block, 43rd Avenue. | Comment | |||
| CAS-BOT-BC138868 | Agrostis microphylla | John Thomas Howell | 1957-6-30 | 32779 | San Francisco | San Francisco. Hunters Point. | Comment | |||
| CAS-BOT-BC138978 | Agrostis pallens | John Thomas Howell | 1957-6-30 | 32793 | San Francisco | San Francisco. Hunters Point. | Comment | |||
| CAS-BOT-BC138980 | Agrostis pallens | John Thomas Howell | 1956-8-26 | 31822 | San Francisco | San Francisco. Near Pine Lake. | Comment | |||
| CAS-BOT-BC138981 | Agrostis pallens | John Thomas Howell | 1957-8-18 | 32895 | San Francisco | San Francisco. Chain of lakes, Golden Gate Park. | Comment | |||
| CAS-BOT-BC138984 | Agrostis pallens | John Thomas Howell | 1956-6-26 | s.n. | San Francisco | San Francisco. North slope of Bayview Hills. | Comment | |||
| CAS-BOT-BC139519 | Agrostis hallii | John Thomas Howell | 1957-5-29 | 32526 | San Francisco | San Francisco. North side of Lone Mountain. | Comment | |||
| CAS-BOT-BC139520 | Agrostis hallii | John Thomas Howell | 1956-6-5 | 31489 | San Francisco | San Francisco. North slope of Bayview Hills. | Comment | |||
| CAS-BOT-BC139701 | Agrostis gigantea | John Thomas Howell | 1957-8-6 | 32890 | San Francisco | San Francisco. South of Academy, Golden Gate Park. | Comment | |||
| CAS-BOT-BC139726 | Agrostis gigantea | John Thomas Howell | 1957-8-6 | 32890 | San Francisco | San Francisco. South of Academy, Golden Gate Park. | Comment | |||
| CAS-BOT-BC140402 | Oemleria cerasiformis | John Thomas Howell | 1956-6-17 | 31578 | San Francisco | Summit ridge of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC141896 | Potentilla anserina subsp. pacifica | John Thomas Howell | 1957-6-12 | 32619 | San Francisco | Lone Mt. - San Francisco | Comment | |||
| CAS-BOT-BC141897 | Potentilla anserina subsp. pacifica | John Thomas Howell | 1956-8-12 | 31761 | San Francisco | Alemany Blvd. near Bayshore Freeway - San Francisco | Comment | |||
| CAS-BOT-BC143905 | Horkelia cuneata var. sericea | John Thomas Howell | 1926-4-24 | 1933 | San Francisco | Near Lake Merced, San Francisco | Comment | |||
| CAS-BOT-BC144663 | Ribes sanguineum var. glutinosum | John Thomas Howell | 1957-6-11 | 32578 | San Francisco | North slope of Lone Mt. | Comment | |||
| CAS-BOT-BC145351 | Briza minor | John Thomas Howell | 1957-5-17 | 32279 | San Francisco | San Francisco. Bayview Hills. | Comment | |||
| CAS-BOT-BC145352 | Briza minor | John Thomas Howell | 1956-4-22 | 31289 | San Francisco | San Francisco. Embarcadero at Vallejo Street. | Comment | |||
| CAS-BOT-BC145357 | Briza minor | John Thomas Howell | 1956-5-12 | 31382 | San Francisco | San Francisco. Marin Street near Third Street. | Comment | |||
| CAS-BOT-BC145361 | Briza minor | John Thomas Howell | 1957-5-26 | 32408 | San Francisco | San Francisco. North base of Lone Mountain. | Comment | |||
| CAS-BOT-BC145456 | Briza maxima | John Thomas Howell | 1957-6-8 | 32573 | San Francisco | San Francisco. Golden Gate Park, Fulton Street at 26th Avenue. | Comment | |||
| CAS-BOT-BC145935 | Avena fatua | John Thomas Howell | 1956-6-24 | 31615 | San Francisco | San Francisco. Summit ridge of Bayview Hills. | Comment | |||
| CAS-BOT-BC145969 | Avena fatua | John Thomas Howell | 1940-5-11 | 15409 | San Francisco | San Francisco. Lone Mountain. | Comment | |||
| CAS-BOT-BC145972 | Avena fatua | John Thomas Howell | 1957-5-17 | s.n. | San Francisco | San Francisco. Bayview Hills. | Comment | |||
| CAS-BOT-BC145973 | Avena fatua | John Thomas Howell | 1957-5-26 | 32411 | San Francisco | San Francisco. North base of Lone Mountain. | Comment | |||
| CAS-BOT-BC146091 | Avena barbata | John Thomas Howell | 1956-6-17 | 31598 | San Francisco | San Francisco. Summit ridge of Bayview Hills. | Comment | |||
| CAS-BOT-BC146092 | Avena barbata | John Thomas Howell | 1957-5-26 | 32412 | San Francisco | San Francisco. North base of Lone Mountain. | Comment | |||
| CAS-BOT-BC146094 | Avena barbata | John Thomas Howell | 1957-5-17 | s.n. | San Francisco | San Francisco. Bayview Hills. | Comment | |||
| CAS-BOT-BC146095 | Avena barbata | John Thomas Howell | 1940-5-11 | 15408 | San Francisco | San Francisco. Lone Mountain. | Comment | |||
| CAS-BOT-BC146097 | Avena barbata | John Thomas Howell | 1956-4-22 | 31288 | San Francisco | San Francisco. Embarcadero at Vallejo Street. | Comment | |||
| CAS-BOT-BC146098 | Avena barbata | John Thomas Howell | 1956-4-22 | 31288 | San Francisco | San Francisco. Embarcadero at Vallejo Street. | Comment | |||
| CAS-BOT-BC146676 | Rosa gymnocarpa | John Thomas Howell | 1957-5-22 | 32379 | San Francisco | Near summit of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC147368 | Rubus pensilvanicus | John Thomas Howell | 1956-10-27 | 31926 | San Francisco | 6th Ave. entrance to Golden Gate Park | Comment | |||
| CAS-BOT-BC147369 | Rubus pensilvanicus | John Thomas Howell | 1965-10-15 | 41416 | San Francisco | At 6th Ave. entrance to Golden Gate Park | Comment | |||
| CAS-BOT-BC147579 | Rosa californica | John Thomas Howell | 1956-7-22 | 31713 | San Francisco | North base of Bayview Hills | Comment | |||
| CAS-BOT-BC148449 | Heteromeles arbutifolia | John Thomas Howell | 1957-5-28 | 32524 | San Francisco | Nw. side of Lone Mt. - San Francisco | Comment | |||
| CAS-BOT-BC148726 | Bromus carinatus var. marginatus | John Thomas Howell | 1957-5-6 | 32233 | San Francisco | San Francisco. Hunters Point. | Comment | |||
| CAS-BOT-BC148727 | Bromus carinatus var. marginatus | John Thomas Howell | 1957-5-17 | s.n. | San Francisco | San Francisco. Bayview Hills. | Comment | |||
| CAS-BOT-BC148728 | Bromus carinatus var. marginatus | John Thomas Howell | 1956-6-5 | 31493 | San Francisco | San Francisco. North slope of Bayview Hills. | Comment | |||
| CAS-BOT-BC148729 | Bromus carinatus var. marginatus | John Thomas Howell | 1957-5-6 | 32200 | San Francisco | San Francisco. Hunters Point. | Comment | |||
| CAS-BOT-BC148732 | Bromus carinatus var. marginatus | John Thomas Howell | 1957-5-6 | 32200 | San Francisco | San Francisco. Hunters Point. | Comment | |||
| CAS-BOT-BC148772 | Bromus carinatus var. marginatus | John Thomas Howell | 1956-6-10 | 31517 | San Francisco | San Francisco. North slope of Bay View Hills. | Comment | |||
| CAS-BOT-BC148775 | Bromus carinatus var. marginatus | John Thomas Howell | 1957-5-6 | 32201 | San Francisco | San Francisco. Hunters Point. | Comment | |||
| CAS-BOT-BC148926 | Bromus carinatus var. carinatus | John Thomas Howell | 1956-9-9 | 31866 | San Francisco | San Francisco. At southeast end of Lake Merced. | Comment | |||
| CAS-BOT-BC148934 | Bromus carinatus var. carinatus | John Thomas Howell | 1957-5-26 | 32418 | San Francisco | North base of Lone Mountain. | Comment | |||
| CAS-BOT-BC148940 | Bromus carinatus var. carinatus | John Thomas Howell | 1956-6-10 | 31504 | San Francisco | San Francisco. North slope of Bay View Hills. | Comment | |||
| CAS-BOT-BC149397 | Bromus berteroanus | John Thomas Howell | 1956-5-6 | 31340 | San Francisco | San Francisco. Sierra and 22nd Streets. | Comment | |||
| CAS-BOT-BC150036 | Holodiscus discolor var. discolor | John Thomas Howell | 1956-6-17 | 31576 | San Francisco | Summit ridge of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC150408 | Diplacus aurantiacus | John Thomas Howell | 1957-6-11 | 32586 | San Francisco | North slope of Lone Mt. | Comment | |||
| CAS-BOT-BC150409 | Diplacus aurantiacus | John Thomas Howell | 1956-6-10 | 31519 | San Francisco | North slope of Bay View Hills, San Francisco | Comment | |||
| CAS-BOT-BC154460 | Prunus ilicifolia | John Thomas Howell | 1956-6-17 | 31594 | San Francisco | Summit ridge of Bayview Hills | Comment | |||
| CAS-BOT-BC154461 | Prunus ilicifolia | John Thomas Howell | 1957-10-27 | 33006 | San Francisco | San Francisco. Bayview Hills | Comment | |||
| CAS-BOT-BC15503 | Agoseris apargioides | John Thomas Howell | 1933-5-7 | s.n. | San Francisco | Presidio | Comment | |||
| CAS-BOT-BC155078 | Bromus hordeaceus | John Thomas Howell | 1983-4-16 | s.n. | San Francisco | San Francisco. On 22nd Avenue near Fulton Street. | Comment | |||
| CAS-BOT-BC155111 | Bromus hordeaceus | John Thomas Howell | 1983-4-16 | s.n. | San Francisco | San Francisco. On 22nd Avenue near Fulton Street. | Comment | |||
| CAS-BOT-BC155118 | Bromus hordeaceus | John Thomas Howell | 1957-5-17 | 32275 | San Francisco | San Francisco. Bayview Hills. | Comment | |||
| CAS-BOT-BC155119 | Bromus hordeaceus | John Thomas Howell | 1956-4-22 | 31259 | San Francisco | San Francisco. Near Fisherman's Wharf. | Comment | |||
| CAS-BOT-BC155122 | Bromus hordeaceus | John Thomas Howell | 1957-5-5 | 32165 | San Francisco | San Francisco. East end of 22nd Street. | Comment | |||
| CAS-BOT-BC155124 | Bromus hordeaceus | John Thomas Howell | 1957-5-26 | 32409 | San Francisco | San Francisco. North base of Lone Mountain. | Comment | |||
| CAS-BOT-BC155125 | Bromus hordeaceus | John Thomas Howell | 1956-5-19 | 31413 | San Francisco | San Francisco. Near Third and Army Streets. | Comment | |||
| CAS-BOT-BC15542 | Agoseris apargioides | John Thomas Howell | 1926-4-24 | 1959 | San Francisco | Near Lake Merced | Comment | |||
| CAS-BOT-BC15543 | Agoseris apargioides | John Thomas Howell | 1957-5-26 | 32472 | San Francisco | North base of Lone Mtn. | Comment | |||
| CAS-BOT-BC155759 | Bromus diandrus | John Thomas Howell | 1957-5-5 | 32162 | San Francisco | San Francisco. East end of 22nd Street. | Comment | |||
| CAS-BOT-BC155760 | Bromus diandrus | John Thomas Howell | 1957-5-17 | 32276 | San Francisco | San Francisco. Bayview Hills. | Comment | |||
| CAS-BOT-BC155764 | Bromus diandrus | John Thomas Howell | 1957-5-26 | 32416 | San Francisco | San Francisco. North base of Lone Mountain. | Comment | |||
| CAS-BOT-BC155765 | Bromus diandrus | John Thomas Howell | 1956-5-19 | 31416 | San Francisco | San Francisco. Near Third and Army Streets. | Comment | |||
| CAS-BOT-BC155769 | Bromus diandrus | John Thomas Howell | 1957-5-5 | 32161 | San Francisco | San Francisco. East end of 22nd Street. | Comment | |||
| CAS-BOT-BC155859 | Bromus catharticus var. elatus | John Thomas Howell | 1956-4-22 | 31282 | San Francisco | San Francisco. Embarcadero at Vallejo Street. | Comment | |||
| CAS-BOT-BC155860 | Bromus catharticus var. elatus | John Thomas Howell | 1956-5-19 | 31390 | San Francisco | San Francisco. Townsend Street at Embarcadero. | Comment | |||
| CAS-BOT-BC155861 | Bromus catharticus var. elatus | John Thomas Howell | 1956-4-22 | 31273 | San Francisco | San Francisco. Embarcadero at Kearney Street. | Comment | |||
| CAS-BOT-BC155864 | Bromus catharticus var. elatus | John Thomas Howell | 1957-6-11 | 32580 | San Francisco | San Francisco. North slope of Lone Mountain. | Comment | |||
| CAS-BOT-BC155903 | Bromus commutatus | John Thomas Howell | 1956-5-19 | 31412 | San Francisco | San Francisco. Near Third and Army Streets. | Comment | |||
| CAS-BOT-BC156190 | Bromus catharticus | John Thomas Howell | 1956-4-28 | 31299 | San Francisco | San Francisco. Lake Merced. | Comment | |||
| CAS-BOT-BC156191 | Bromus catharticus | John Thomas Howell | 1958-5-17 | 33028 | San Francisco | San Francisco. 8th Aveune entrance to Golden Gate Park. | Comment | |||
| CAS-BOT-BC156195 | Bromus catharticus | John Thomas Howell | 1938-7-26 | 13985 | San Francisco | San Francisco. Golden Gate Park. | Comment | |||
| CAS-BOT-BC156340 | Prunus virginiana var. demissa | John Thomas Howell | 1957-5-17 | 32303 | San Francisco | Bayview Hills | Comment | |||
| CAS-BOT-BC156345 | Prunus virginiana var. demissa | John Thomas Howell | 1956-6-24 | 31616 | San Francisco | Summit ridge of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC156636 | Rubus ulmifolius | John Thomas Howell | 1956-6-3 | 31474 | San Francisco | Jennings St. north of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC156945 | Rubus ursinus | John Thomas Howell | 1957-5-28 | 32482 | San Francisco | West side of Lone Mt. | Comment | |||
| CAS-BOT-BC156947 | Rubus ursinus | John Thomas Howell | 1957-5-28 | 32483 | San Francisco | West side of Lone Mt. | Comment | |||
| CAS-BOT-BC156950 | Rubus ursinus | John Thomas Howell | 1957-5-28 | 32483 | San Francisco | West side of Lone Mountain | Comment | |||
| CAS-BOT-BC156951 | Rubus ursinus | John Thomas Howell | 1956-6-10 | 31536 | San Francisco | North slope of Bay View Hills, San Francisco | Comment | |||
| CAS-BOT-BC156952 | Rubus ursinus | John Thomas Howell | 1957-5-22 | 32381 | San Francisco | Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC156953 | Rubus ursinus | John Thomas Howell | 1957-5-17 | 32305 | San Francisco | Bayview Hills | Comment | |||
| CAS-BOT-BC156965 | Rubus ursinus | John Thomas Howell | 1956-8-26 | 31815 | San Francisco | Near Pine Lake | Comment | |||
| CAS-BOT-BC156967 | Rubus ursinus | John Thomas Howell | 1957-8-28 | 32920 | San Francisco | East of conservatory, Golden Gate Park | Comment | |||
| CAS-BOT-BC158033 | Hedera helix | John Thomas Howell | 1957-6-17 | 32678 | San Francisco | Lone [Mt.] mountain | Comment | |||
| CAS-BOT-BC159559 | Drymocallis glandulosa var. glandulosa | John Thomas Howell | 1957-5-17 | 32299 | San Francisco | Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC159560 | Drymocallis glandulosa var. glandulosa | John Thomas Howell | 1957-5-17 | s.n. | San Francisco | Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC159561 | Drymocallis glandulosa var. glandulosa | John Thomas Howell | 1957-5-17 | 32299 | San Francisco | Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC159562 | Drymocallis glandulosa var. glandulosa | John Thomas Howell | 1956-6-10 | 31550 | San Francisco | North slope of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC160421 | Camissoniopsis cheiranthifolia subsp. cheiranthifolia | John Thomas Howell | 1957-5-28 | 32480 | San Francisco | West side of Lone Mt. | Comment | |||
| CAS-BOT-BC161772 | Bromus rubens | John Thomas Howell | 1956-5-19 | 31415 | San Francisco | San Francisco. Near Third and Army Streets. | Comment | |||
| CAS-BOT-BC162234 | Bromus maritimus | John Thomas Howell | 1957-9-1 | 32923 | San Francisco | San Francisco. Sutro Heights above Point Lobos. | Comment | |||
| CAS-BOT-BC162242 | Bromus maritimus | John Thomas Howell | 1957-9-1 | 32923 | San Francisco | San Francisco. Sutro Heights above Point Lobos. | Comment | |||
| CAS-BOT-BC162243 | Bromus maritimus | John Thomas Howell | 1957-5-28 | 32506 | San Francisco | San Francisco. West side of Lone Mountain. | Comment | |||
| CAS-BOT-BC162244 | Bromus maritimus | John Thomas Howell | 1957-5-26 | 32427 | San Francisco | San Francisco. North base of Lone Mountain. | Comment | |||
| CAS-BOT-BC162313 | Bromus madritensis | John Thomas Howell | 1952-5-20 | 28315 | San Francisco | San Francisco. Golden Gate Park, near 10th Avenue and Fulton. | Comment | |||
| CAS-BOT-BC164308 | Clarkia davyi | John Thomas Howell | 1926-4-24 | 1929 | San Francisco | Near Lake Merced | Comment | |||
| CAS-BOT-BC164504 | Clarkia franciscana | John Thomas Howell | 1956-7-2 | 31668 | San Francisco | Presidio | Comment | |||
| CAS-BOT-BC164512 | Clarkia franciscana | John Thomas Howell | 1957-6-17 | 32687 | San Francisco | Presidio | Comment | |||
| CAS-BOT-BC165097 | Clarkia rubicunda | John Thomas Howell | 1956-6-10 | 31534 | San Francisco | North slope of Bay View Hills | Comment | |||
| CAS-BOT-BC165106 | Clarkia rubicunda | John Thomas Howell | 1956-6-3 | 31477 | San Francisco | North of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC16596 | Barbarea orthoceras | John Thomas Howell | 1956-6-17 | 31581 | San Francisco | San Francisco. Summit ridge of Bayview Hills. | Comment | |||
| CAS-BOT-BC172979 | Toxicodendron diversilobum | John Thomas Howell | 1956-10-21 | 31915 | San Francisco | Summit of Bayview Hills | Comment | |||
| CAS-BOT-BC172980 | Toxicodendron diversilobum | John Thomas Howell | 1956-10-21 | 31916 | San Francisco | Summit edge of Bayview Hills | Comment | |||
| CAS-BOT-BC172981 | Toxicodendron diversilobum | John Thomas Howell | 1956-6-10 | 31544 | San Francisco | North slope of Bay View Hills, San Francisco | Comment | |||
| CAS-BOT-BC172986 | Toxicodendron diversilobum | John Thomas Howell | 1957-5-28 | 32498 | San Francisco | West side of Lone Mt. | Comment | |||
| CAS-BOT-BC17311 | Arabis blepharophylla | John Thomas Howell | 1957-5-17 | 32300 | San Francisco | San Francisco. Bayview Hills. | Comment | |||
| CAS-BOT-BC175168 | Silene verecunda | John Thomas Howell | 1933-7-9 | 11426 | San Francisco | Lake Merced | Comment | |||
| CAS-BOT-BC177040 | Acacia dealbata | John Thomas Howell | 1957-5-22 | 32400 | San Francisco | Bayview Hills | Comment | |||
| CAS-BOT-BC177963 | Astragalus nuttallii var. virgatus | John Thomas Howell | 1924-10-19 | 695 | San Francisco | Lake Merced, San Francisco | Comment | |||
| CAS-BOT-BC177964 | Astragalus nuttallii var. virgatus | John Thomas Howell | 1956-9-9 | 31856 | San Francisco | SE end of Lake Merced, San Francisco | Comment | |||
| CAS-BOT-BC178258 | Astragalus gambelianus | John Thomas Howell | 1957-5-6 | s.n. | San Francisco | Hunters Point, San Francisco | Comment | |||
| CAS-BOT-BC178259 | Astragalus gambelianus | John Thomas Howell | 1956-5-6 | 31336 | San Francisco | Sierra & 22nd Sts., San Francisco | Comment | |||
| CAS-BOT-BC178260 | Astragalus gambelianus | John Thomas Howell | 1956-5-19 | 31434 | San Francisco | Hunter's Point, San Francisco | Comment | |||
| CAS-BOT-BC178261 | Astragalus gambelianus | John Thomas Howell | 1957-5-22 | 32387 | San Francisco | Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC180668 | Albizia lophantha | John Thomas Howell | 1956-9-2 | 31825 | San Francisco | Lake Merced, San Francisco | Comment | |||
| CAS-BOT-BC180669 | Albizia lophantha | John Thomas Howell | 1957-5-6 | 32228 | San Francisco | Hunter's Point, San Francisco | Comment | |||
| CAS-BOT-BC180670 | Albizia lophantha | John Thomas Howell | 1957-9-1 | 32933 A | San Francisco | Sutro Heights above Pt. Lobos, San Francisco | Comment | |||
| CAS-BOT-BC180671 | Albizia lophantha | John Thomas Howell | 1956-10-21 | 31918 | San Francisco | North slope of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC180687 | Salsola tragus | John Thomas Howell | 1956-9-26 | 31882 | San Francisco | Lake Merced, San Francisco | Comment | |||
| CAS-BOT-BC184488 | Vulpia microstachys var. pauciflora | John Thomas Howell | 1957-5-6 | 32212 | San Francisco | Hunters Point | Comment | |||
| CAS-BOT-BC184490 | Vulpia microstachys var. pauciflora | John Thomas Howell | 1956-5-6 | 31347 | San Francisco | Sierra & 22nd Sts., San Francisco | Comment | |||
| CAS-BOT-BC184491 | Vulpia microstachys var. pauciflora | John Thomas Howell | 1957-5-5 | 32167 | San Francisco | East end of 22nd St. | Comment | |||
| CAS-BOT-BC184492 | Vulpia microstachys var. pauciflora | John Thomas Howell | 1957-5-5 | s.n. | San Francisco | Sierra and 22nd sts. | Comment | |||
| CAS-BOT-BC184493 | Vulpia microstachys var. pauciflora | John Thomas Howell | 1956-5-6 | 31339 | San Francisco | Sierra & 22nd Sts. | Comment | |||
| CAS-BOT-BC184494 | Vulpia microstachys var. pauciflora | John Thomas Howell | 1956-5-6 | 31339 | San Francisco | Sierra and 22nd streets, San Francisco | Comment | |||
| CAS-BOT-BC184495 | Vulpia microstachys var. pauciflora | John Thomas Howell | s.n. | San Francisco | Sierra & 22nd streets | Comment | ||||
| CAS-BOT-BC184498 | Vulpia microstachys var. pauciflora | John Thomas Howell | 1957-5-17 | 37271 | San Francisco | Bayview Hills | Comment | |||
| CAS-BOT-BC184499 | Vulpia microstachys var. pauciflora | John Thomas Howell | 1957-5-6 | 32232 | San Francisco | Hunters Point | Comment | |||
| CAS-BOT-BC185630 | Bromus tectorum | John Thomas Howell | 1956-5-19 | 31414 | San Francisco | San Francisco. Near Third and Army Streets. | Comment | |||
| CAS-BOT-BC185736 | Vulpia myuros subsp. megalura | John Thomas Howell | 1957-5-26 | 32444 | San Francisco | North base of Lone Mt. | Comment | |||
| CAS-BOT-BC185738 | Vulpia myuros subsp. megalura | John Thomas Howell | 1957-5-17 | 32272 | San Francisco | Bayview Hills | Comment | |||
| CAS-BOT-BC186629 | Danthonia californica | John Thomas Howell | 1956-6-10 | 31547 | San Francisco | North slope of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC186630 | Danthonia californica | John Thomas Howell | 1956-6-10 | 31546 | San Francisco | North slope of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC186631 | Danthonia californica | John Thomas Howell | 1957-5-17 | s.n. | San Francisco | Bayview Hills | Comment | |||
| CAS-BOT-BC186632 | Danthonia californica | John Thomas Howell | 1957-5-6 | 32202 | San Francisco | Hunters Point | Comment | |||
| CAS-BOT-BC186633 | Danthonia californica | John Thomas Howell | 1957-5-17 | s.n. | San Francisco | Bayview Hills | Comment | |||
| CAS-BOT-BC186635 | Danthonia californica | John Thomas Howell | 1957-5-28 | 32520 | San Francisco | Nw. side of Lone Mt. | Comment | |||
| CAS-BOT-BC186636 | Danthonia californica | John Thomas Howell | 1937-5-23 | 12998 | San Francisco | Presidio, San Francisco | Comment | |||
| CAS-BOT-BC186637 | Danthonia californica | John Thomas Howell | 1937-5-23 | 12999 | San Francisco | Presidio, San Francisco | Comment | |||
| CAS-BOT-BC18917 | Carex densa | John Thomas Howell | 1957-6-17 | 32685 | San Francisco | San Francisco. Presidio. | Comment | |||
| CAS-BOT-BC18918 | Carex densa | John Thomas Howell | 1957-6-17 | 32685 | San Francisco | San Francisco. Presidio. | Comment | |||
| CAS-BOT-BC18919 | Carex densa | John Thomas Howell | 1957-5-17 | 32270 | San Francisco | San Francisco. Bayview Hills. | Comment | |||
| CAS-BOT-BC18920 | Carex densa | John Thomas Howell | 1956-6-10 | 31531 | San Francisco | San Francisco. North slope of Bayview Hills. | Comment | |||
| CAS-BOT-BC189779 | Dactylis glomerata | John Thomas Howell | 1956-5-12 | 31373 | San Francisco | San Francisco. Marin Street, near Third Street. | Comment | |||
| CAS-BOT-BC189781 | Dactylis glomerata | John Thomas Howell | 1957-6-11 | 32577 | San Francisco | San Francisco. North slope of Lone Mountain. | Comment | |||
| CAS-BOT-BC190323 | Cynodon dactylon | John Thomas Howell | 1957-6-11 | 32604 | San Francisco | San Francisco. East side of Lone Mountain. | Comment | |||
| CAS-BOT-BC191558 | Chorizanthe cuspidata var. cuspidata | John Thomas Howell | 1926-4-24 | 1956 | San Francisco | near Lake Merced | Comment | |||
| CAS-BOT-BC191559 | Chorizanthe cuspidata var. cuspidata | John Thomas Howell | 1933-7-9 | 11430 | San Francisco | Lake Merced | Comment | |||
| CAS-BOT-BC191560 | Chorizanthe cuspidata var. cuspidata | John Thomas Howell | 1930-6-21 | 5316 | San Francisco | just S of Sutro Heights | Comment | |||
| CAS-BOT-BC192579 | Deschampsia cespitosa subsp. holciformis | John Thomas Howell | 1957-5-17 | s.n. | San Francisco | Bayview Hills | Comment | |||
| CAS-BOT-BC192580 | Deschampsia cespitosa subsp. holciformis | John Thomas Howell | 1956-6-5 | 31491 | San Francisco | North slope of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC19306 | Carex barbarae | John Thomas Howell | 1956-6-10 | 31554 | San Francisco | San Francisco. North slope of Bay View Hills. | Comment | |||
| CAS-BOT-BC195572 | Catapodium rigidum | John Thomas Howell | 1954-10-20 | 30111 | San Francisco | 1356 Filbert St., San Francisco | Comment | |||
| CAS-BOT-BC196092 | Lupinus albifrons var. collinus | John Thomas Howell | 1956-6-24 | 31614 | San Francisco | Summit ridge of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC196102 | Lupinus albifrons var. collinus | John Thomas Howell | 1957-5-22 | 32378 | San Francisco | Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC197187 | Echinochloa crus-galli | John Thomas Howell | 1957-9-16 | 32962 | San Francisco | San Francisco. Strybing Arboretum, Golden Gate Park | Comment | |||
| CAS-BOT-BC197188 | Echinochloa crus-galli | John Thomas Howell | 1956-9-29 | 31888 | San Francisco | San Francisco. Golden Gate Park east of Academy buildings | Comment | |||
| CAS-BOT-BC197282 | Echinochloa muricata var. microstachya | John Thomas Howell | 1957-9-1 | 32941 | San Francisco | San Francisco. California St. near 16th Ave. | Comment | |||
| CAS-BOT-BC197315 | Ehrharta erecta | J. T. Howell | 1982-9-30 | 54701 | San Francisco | Strybing Arboretum, Golden Gate Park, San Francisco | Comment | |||
| CAS-BOT-BC197318 | Ehrharta erecta | John Thomas Howell | 1973-1-22 | 49110 | San Francisco | At Planetarium entrance to the Academy, Golden Gate Park, San Francisco | Comment | |||
| CAS-BOT-BC197401 | Thinopyrum junceum | John Thomas Howell | 1944-11-25 | 20769 | San Francisco | At Taraval and 47th Ave., San Francisco | Comment | |||
| CAS-BOT-BC198189 | Cytisus scoparius | John Thomas Howell | 1957-5-28 | 32485 | San Francisco | West side of Lone Mt., San Francisco | Comment | |||
| CAS-BOT-BC198863 | Vulpia bromoides | John Thomas Howell | 1957-5-26 | 32422 | San Francisco | North base of Lone Mt., San Francisco | Comment | |||
| CAS-BOT-BC198864 | Vulpia bromoides | John Thomas Howell | 1957-8-19 | s.n. | San Francisco | Near Quarry Lake, Golden Gate Park, San Francisco | Comment | |||
| CAS-BOT-BC198865 | Vulpia bromoides | John Thomas Howell | 1937-5-23 | 13003 | San Francisco | Presidio, San Fransisco | Comment | |||
| CAS-BOT-BC198866 | Vulpia bromoides | John Thomas Howell | 1957-5-17 | 32273 | San Francisco | Bayview Hills, San Fransisco | Comment | |||
| CAS-BOT-BC200512 | Triticum aestivum | John Thomas Howell | 1956-5-19 | 31408 | San Francisco | Near Third & Army streets, San Francisco | Comment | |||
| CAS-BOT-BC200513 | Triticum aestivum | John Thomas Howell | 1956-4-29 | 31308 | San Francisco | Embarcadero at Berry St., San Francisco | Comment | |||
| CAS-BOT-BC200514 | Triticum aestivum | John Thomas Howell | 1956-5-12 | 31376 | San Francisco | Marin St., near Third St., San Francisco | Comment | |||
| CAS-BOT-BC200515 | Triticum aestivum | John Thomas Howell | 1957-8-19 | 32912 | San Francisco | Near Quarry Lake, Golden Gate Park | Comment | |||
| CAS-BOT-BC203648 | Elymus glaucus subsp. glaucus | John Thomas Howell | 1957-8-19 | 32905 | San Francisco | San Francisco. Near Quarry Lake, Golden Gate Park | Comment | |||
| CAS-BOT-BC203652 | Elymus glaucus subsp. glaucus | John Thomas Howell | 1956-8-26 | 31814 | San Francisco | San Francisco. Near Pine Lake | Comment | |||
| CAS-BOT-BC203655 | Elymus glaucus subsp. glaucus | John Thomas Howell | 1956-6-10 | 31514 | San Francisco | North slope of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC203816 | Elymus glaucus subsp. virescens | John Thomas Howell | 1956-6-3 | 31480 | San Francisco | North slope of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC203817 | Elymus glaucus subsp. virescens | John Thomas Howell | 1957-5-28 | 32519 | San Francisco | San Francisco. Nw. side of Lone Mt. | Comment | |||
| CAS-BOT-BC203821 | Elymus glaucus subsp. virescens | John Thomas Howell | 1957-6-30 | 32790 | San Francisco | San Francisco. Hunters Point | Comment | |||
| CAS-BOT-BC203822 | Elymus glaucus subsp. virescens | John Thomas Howell | 1957-8-19 | 32904 | San Francisco | San Francisco. Near Quarry Lake, Golden Gate Park | Comment | |||
| CAS-BOT-BC203838 | Elymus X hansenii | John Thomas Howell | 1956-6-24 | 31619 | San Francisco | Summit ridge of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC204637 | Eragrostis mexicana subsp. virescens | John Thomas Howell | 1957-8-5 | 32863 | San Francisco | San Francisco. In Strybing Arboretum, Golden Gate Park | Comment | |||
| CAS-BOT-BC20847 | Carex globosa | John Thomas Howell | 1937-5-23 | 13005 | San Francisco | Presidio. | Comment | |||
| CAS-BOT-BC208632 | Distichlis spicata | John Thomas Howell | 1956-7-1 | 31661 | San Francisco | Salt marsh, Marin St. east of 3rd St., San Francisco | Comment | |||
| CAS-BOT-BC208971 | Digitaria ischaemum | John Thomas Howell | 1957-9-22 | 32971 | San Francisco | Vallejo and Front Streets, San Francisco | Comment | |||
| CAS-BOT-BC209088 | Digitaria sanguinalis | John Thomas Howell | 1969-11-9 | s.n. | San Francisco | San Francisco | Comment | |||
| CAS-BOT-BC209126 | Deschampsia danthonioides | John Thomas Howell | 1956-6-10 | 31505 | San Francisco | North slope of Bay View Hills, San Francisco | Comment | |||
| CAS-BOT-BC209127 | Deschampsia danthonioides | John Thomas Howell | 1957-5-28 | 32515 | San Francisco | NW side of Lone Mt., San Francisco | Comment | |||
| CAS-BOT-BC209128 | Deschampsia danthonioides | John Thomas Howell | 1957-5-6 | 32220 | San Francisco | Hunters Point, San Francisco | Comment | |||
| CAS-BOT-BC213094 | Ulex europaeus | John Thomas Howell | 1956-11-4 | 31960 | San Francisco | East end of Army St. | Comment | |||
| CAS-BOT-BC213095 | Ulex europaeus | John Thomas Howell | 1956-8-26 | 31808 | San Francisco | near Pine Lake | Comment | |||
| CAS-BOT-BC213822 | Elymus repens | John Thomas Howell | 1957-9-1 | 32940 | San Francisco | California St., near 16th Ave. - San Francisco | Comment | |||
| CAS-BOT-BC213823 | Elymus repens | John Thomas Howell | 1957-9-1 | 32925 | San Francisco | Sutro Heights above Point Lobos - San Francisco | Comment | |||
| CAS-BOT-BC213824 | Elymus repens | John Thomas Howell | 1957-9-1 | 32925 | San Francisco | Sutro Heights above Point Lobos - San Francisco | Comment | |||
| CAS-BOT-BC213826 | Elymus repens | John Thomas Howell | 1956-7-1 | 31658 | San Francisco | 3rd & 4th Streets - San Francisco | Comment | |||
| CAS-BOT-BC213827 | Elymus repens | John Thomas Howell | 1956-7-1 | 31656 | San Francisco | Embarcadero and Townsend St. - San Francisco | Comment | |||
| CAS-BOT-BC213828 | Elymus repens | John Thomas Howell | 1947-9-30 | 24183 | San Francisco | Near Strybing Arboretum, Golden Gate Park - San Francisco | Comment | |||
| CAS-BOT-BC215091 | Lupinus chamissonis | John Thomas Howell | 1956-5-19 | 31398 | San Francisco | Waste ground near Third and Army Streets, San Francisco | Comment | |||
| CAS-BOT-BC215092 | Lupinus chamissonis | John Thomas Howell | 1957-5-28 | 32479 | San Francisco | W side of Lone Mountain | Comment | |||
| CAS-BOT-BC21604 | Achillea millefolium | John Thomas Howell | 1957-5-26 | 32433 | San Francisco | North base of Lone Mt. | Comment | |||
| CAS-BOT-BC21611 | Achillea millefolium | John Thomas Howell | 1956-6-10 | 31512 | San Francisco | North slope of Bay View Hills | Comment | |||
| CAS-BOT-BC21615 | Achillea millefolium | John Thomas Howell | 1956-8-26 | 31821 | San Francisco | Near Pine Lake | Comment | |||
| CAS-BOT-BC21618 | Achillea millefolium | John Thomas Howell | 1926-4-24 | 1942 | San Francisco | Lake Merced | Comment | |||
| CAS-BOT-BC21623 | Achillea millefolium | John Thomas Howell | 1957-5-6 | 32229 | San Francisco | Hunters Point | Comment | |||
| CAS-BOT-BC21839 | Carex harfordii | John Thomas Howell | 1937-5-23 | 13006 | San Francisco | Mountain Lake, Presidio, San Francisco. | Comment | |||
| CAS-BOT-BC21840 | Carex harfordii | John Thomas Howell | 1937-5-23 | 13006 | San Francisco | Mountain Lake, Presidio, San Francisco. | Comment | |||
| CAS-BOT-BC21841 | Carex harfordii | John Thomas Howell | 1937-5-23 | 13006 | San Francisco | Mountain Lake, Presidio, San Francisco. | Comment | |||
| CAS-BOT-BC21842 | Carex harfordii | John Thomas Howell | 1957-6-11 | 32611 | San Francisco | North slope of Lone Mountain. | Comment | |||
| CAS-BOT-BC21843 | Carex harfordii | John Thomas Howell | 1956-6-17 | 31566 | San Francisco | Summit ridge of Bayview Hills, San Francisco. | Comment | |||
| CAS-BOT-BC219126 | Genista monspessulana | John Thomas Howell | 1957-5-28 | 32504 | San Francisco | West side of Lone Mt. | Comment | |||
| CAS-BOT-BC219129 | Genista monspessulana | John Thomas Howell | 1956-6-10 | 31553 | San Francisco | North slope of Bay View Hills, San Francisco | Comment | |||
| CAS-BOT-BC219130 | Genista monspessulana | John Thomas Howell | 1957-5-17 | s.n. | San Francisco | Bayview Hills | Comment | |||
| CAS-BOT-BC220162 | Monardella sinuata subsp. nigrescens | John Thomas Howell | 1933-7-9 | 11431 | San Francisco | Lake Merced, San Francisco | Comment | |||
| CAS-BOT-BC220637 | Monardella villosa | John Thomas Howell | 1957-6-30 | 32804 | San Francisco | San Francisco. Summit ridge of Bayview Hills | Comment | |||
| CAS-BOT-BC220638 | Monardella villosa | John Thomas Howell | 1933-7-9 | 11425 | San Francisco | Lake Merced, San Francisco | Comment | |||
| CAS-BOT-BC220652 | Monardella villosa | John Thomas Howell | 1956-6-10 | 31525 | San Francisco | North slope of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC220653 | Monardella villosa | John Thomas Howell | 1957-6-30 | 32803 | San Francisco | Summit ridge of Bayview Hills | Comment | |||
| CAS-BOT-BC220655 | Monardella villosa | John Thomas Howell | 1957-6-30 | 32802 | San Francisco | San Francisco. Summit ridge of Bayview Hills | Comment | |||
| CAS-BOT-BC220659 | Monardella villosa | John Thomas Howell | 1957-6-30 | 32797 | San Francisco | San Francisco. Bayview Hills | Comment | |||
| CAS-BOT-BC221439 | Angelica hendersonii | John Thomas Howell | 1956-6-17 | 31577 | San Francisco | Summit ridge of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC221858 | Stenotaphrum secundatum | John Thomas Howell | 1957-9-6 | 32946 | San Francisco | San Francisco. Strybing Arboretum, Golden Gate Park | Comment | |||
| CAS-BOT-BC223298 | Sanicula bipinnatifida | John Thomas Howell | 1957-5-6 | 32216 | San Francisco | San Francisco. Hunters Point | Comment | |||
| CAS-BOT-BC223299 | Sanicula bipinnatifida | John Thomas Howell | 1957-5-6 | 32216 | San Francisco | San Francisco. Hunters Point | Comment | |||
| CAS-BOT-BC224343 | Calystegia subacaulis subsp. subacaulis | John Thomas Howell | 1956-6-10 | 31558 | San Francisco | North slope of Bay View Hills | Comment | |||
| CAS-BOT-BC224344 | Calystegia subacaulis subsp. subacaulis | John Thomas Howell | 1956-5-6 | 31341 | San Francisco | Sierra & 22nd Sts., San Francisco | Comment | |||
| CAS-BOT-BC225328 | Gilia capitata subsp. chamissonis | John Thomas Howell | 1957-5-28 | 32508 | San Francisco | West side of Lone Mt., San Francisco | Comment | |||
| CAS-BOT-BC225329 | Gilia capitata subsp. chamissonis | John Thomas Howell | 1926-4-24 | 1948 | San Francisco | Lake Merced, San Francisco | Comment | |||
| CAS-BOT-BC225615 | Leptosiphon latisectus | John Thomas Howell | 1926-4-24 | 1932 | San Francisco | Near Lake Merced, San Francisco | Comment | |||
| CAS-BOT-BC22728 | Agoseris grandiflora var. grandiflora | J. T. Howell | 1957-5-17 | s.n. | San Francisco | Bayview Hills | Comment | |||
| CAS-BOT-BC22729 | Agoseris grandiflora var. grandiflora | J. T. Howell | 1956-6-10 | 31510 | San Francisco | North slope of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC22733 | Agoseris grandiflora var. grandiflora | J. T. Howell | 1957-5-26 | 32474 A | San Francisco | North side of Lone Mt | Comment | |||
| CAS-BOT-BC228679 | Elymus multisetus | John Thomas Howell | 1956-6-5 | 31488 | San Francisco | North slope of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC230241 | Carpobrotus edulis | John Thomas Howell | 1956-10-21 | 31919 | San Francisco | N slope of Bayview Hills | Comment | |||
| CAS-BOT-BC233136 | Polypogon interruptus | John Thomas Howell | 1979-6-15 | 53358 | San Francisco | Middle Drive [Nancy Pelosi Drive] at SE corner of Academy, Golden Gate Park | Comment | |||
| CAS-BOT-BC233138 | Polypogon interruptus | John Thomas Howell | 1956-7-1 | 31655 | San Francisco | Embarcadero and Townsend Street, San Francisco | Comment | |||
| CAS-BOT-BC233139 | Polypogon interruptus | John Thomas Howell | 1956-4-22 | 31257 | San Francisco | Near Fisherman's Wharf, San Francisco | Comment | |||
| CAS-BOT-BC233140 | Polypogon interruptus | John Thomas Howell | 1957-6-11 | 32607 | San Francisco | E side of Lone Mountain, San Francisco | Comment | |||
| CAS-BOT-BC23532 | Arctostaphylos crustacea | John Thomas Howell | 1933-3-3 | 10865 | San Francisco | Lake Merced | Comment | |||
| CAS-BOT-BC23533 | Arctostaphylos crustacea | John Thomas Howell | 1934-3-4 | 11773 | San Francisco | Lake Merced | Comment | |||
| CAS-BOT-BC235467 | Sporobolus indicus | John Thomas Howell | 1957-8-5 | 32859 | San Francisco | San Francisco. Strybing Arboretum, Golden Gate Park | Comment | |||
| CAS-BOT-BC236437 | Solanum aviculare | John Thomas Howell | 1957-9-1 | 32932 | San Francisco | Sutro Heights above Pt. Lobos, San Francisco | Comment | |||
| CAS-BOT-BC236569 | Sorghum halepense | John Thomas Howell | 1956-7-15 | 31682 | San Francisco | Waterfront St. near Mission Rock Terminal, San Francisco | Comment | |||
| CAS-BOT-BC236570 | Sorghum halepense | John Thomas Howell | 1956-5-19 | 31396 | San Francisco | Near Third & Army Streets, San Francisco | Comment | |||
| CAS-BOT-BC236571 | Sorghum halepense | John Thomas Howell | 1957-9-22 | s.n. | San Francisco | Front & Vallejo Streets, San Francisco | Comment | |||
| CAS-BOT-BC236572 | Sorghum halepense | John Thomas Howell | 1956-7-1 | 31638 | San Francisco | Front & Vallejo Streets, San Francisco | Comment | |||
| CAS-BOT-BC237043 | Symphoricarpos mollis | John Thomas Howell | 1956-8-19 | 31785 | San Francisco | Summit ridge of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC237044 | Symphoricarpos mollis | John Thomas Howell | 1956-6-17 | 31563 | San Francisco | Summit ridge of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC237045 | Symphoricarpos mollis | John Thomas Howell | 1957-7-28 | 32824 | San Francisco | Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC237301 | Polypogon monspeliensis | John Thomas Howell | 1956-7-1 | s.n. | San Francisco | San Francisco. Vallejo Street and Embarcadero | Comment | |||
| CAS-BOT-BC237302 | Polypogon monspeliensis | John Thomas Howell | 1957-5-17 | 32277 | San Francisco | San Francisco. Bayview Hills | Comment | |||
| CAS-BOT-BC237303 | Polypogon monspeliensis | John Thomas Howell | 1956-4-22 | 31278 | San Francisco | San Francisco. Embarcadero at Vallejo Street | Comment | |||
| CAS-BOT-BC237304 | Polypogon monspeliensis | John Thomas Howell | 1956-9-9 | 31859 | San Francisco | San Francisco. Near stand at SE end of Lake Merced | Comment | |||
| CAS-BOT-BC237556 | Polypogon viridis | John Thomas Howell | 1956-5-19 | s.n. | San Francisco | San Francisco. Third and Army streets | Comment | |||
| CAS-BOT-BC237557 | Polypogon viridis | John Thomas Howell | 1956-4-22 | 31258 | San Francisco | San Francisco. Near Fisherman's Wharf | Comment | |||
| CAS-BOT-BC237559 | Polypogon viridis | John Thomas Howell | 1956-7-1 | 31654 | San Francisco | San Francisco. Embarcadero and Vallejo streets | Comment | |||
| CAS-BOT-BC237561 | Polypogon viridis | John Thomas Howell | 1957-6-17 | s.n. | San Francisco | San Francisco. Lone Mountain | Comment | |||
| CAS-BOT-BC237736 | Solanum marginatum | John Thomas Howell | 1956-7-15 | 31693 | San Francisco | Waterfront St. near Mission Rock Terminal | Comment | |||
| CAS-BOT-BC238534 | Triphysaria floribunda | John Thomas Howell | 1957-5-6 | 32222 | San Francisco | San Francisco. Hunters Point | Comment | |||
| CAS-BOT-BC238545 | Triphysaria floribunda | John Thomas Howell | 1933-4-17 | 10999 | San Francisco | Above Ft. Point, Presidio, San Francisco | Comment | |||
| CAS-BOT-BC240162 | Setaria verticillata | John Thomas Howell | 1957-9-1 | 32942 | San Francisco | San Francisco. California St. near 16th Ave. | Comment | |||
| CAS-BOT-BC240204 | Setaria viridis | John Thomas Howell | 1957-8-6 | 32872 | San Francisco | San Francisco. Strybing Arboretum, Golden Gate Park | Comment | |||
| CAS-BOT-BC240916 | Collinsia multicolor | John Thomas Howell | 1957-5-17 | 32285 | San Francisco | San Francisco. Bayview Hills | Comment | |||
| CAS-BOT-BC241387 | Castilleja latifolia | John Thomas Howell | 1926-4-24 | 1953 | San Francisco | Lake Merced, San Francisco | Comment | |||
| CAS-BOT-BC241388 | Castilleja latifolia | John Thomas Howell | 1956-9-9 | 31860 | San Francisco | San Francisco. SE. end of Lake Merced | Comment | |||
| CAS-BOT-BC241397 | Castilleja latifolia | John Thomas Howell | 1930-6-21 | 5315 | San Francisco | Just south of Sutro Heights, San Francisco | Comment | |||
| CAS-BOT-BC241563 | Lonicera involucrata var. ledebourii | John Thomas Howell | 1956-10-28 | 31942 | San Francisco | San Francisco. Mountain Lake, Presidio | Comment | |||
| CAS-BOT-BC244185 | Poa trivialis | J. T. Howell | 1957-6-8 | 32570 | San Francisco | Golden Gate Park near 8th Avenue and Fulton Street | Comment | |||
| CAS-BOT-BC244187 | Poa trivialis | J. T. Howell | 1956-7-3 | 31672 | San Francisco | Golden Gate Park, San Francisco | Comment | |||
| CAS-BOT-BC244234 | Poa unilateralis | John Thomas Howell | 1957-5-17 | 32311 | San Francisco | Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC244236 | Poa unilateralis | John Thomas Howell | 1933-5-7 | 11220 | San Francisco | Presidio, San Francisco | Comment | |||
| CAS-BOT-BC246003 | Sambucus nigra subsp. caerulea | John Thomas Howell | 1956-6-17 | 21579 | San Francisco | Summit ridge of BAyview Hills, San Francisco | Comment | |||
| CAS-BOT-BC247419 | Poa pratensis | John Thomas Howell | 1957-5-29 | 32525 | San Francisco | San Francisco. North side of Lone Mt. | Comment | |||
| CAS-BOT-BC247421 | Poa pratensis | John Thomas Howell | 1956-4-29 | 31310 | San Francisco | Along railroad, Third & Berry streets, San Francisco | Comment | |||
| CAS-BOT-BC250631 | Phalaris minor | John Thomas Howell | 1956-5-19 | 31399 | San Francisco | Near Third & Army streets, San Francisco | Comment | |||
| CAS-BOT-BC250632 | Phalaris minor | John Thomas Howell | 1957-8-19 | 32907 | San Francisco | San Francisco. Near Quarry Lake, Golden Gate Park | Comment | |||
| CAS-BOT-BC250633 | Phalaris minor | John Thomas Howell | 1933-5-7 | 11212 | San Francisco | Lone Mountain, San Francisco | Comment | |||
| CAS-BOT-BC250634 | Phalaris minor | John Thomas Howell | 1957-6-16 | s.n. | San Francisco | San Francisco. Third Street near Army St. | Comment | |||
| CAS-BOT-BC250635 | Phalaris minor | John Thomas Howell | 1956-6-3 | 31469 | San Francisco | At east end of Shafter St., San Francisco | Comment | |||
| CAS-BOT-BC250729 | Phalaris paradoxa | John Thomas Howell | 1957-8-19 | 32908 | San Francisco | San Francisco. Near Quarry Lake, Golden Gate Park | Comment | |||
| CAS-BOT-BC250730 | Phalaris paradoxa | John Thomas Howell | 1956-7-1 | s.n. | San Francisco | San Francisco. Embarcadero and Vallejo St. | Comment | |||
| CAS-BOT-BC250731 | Phalaris paradoxa | John Thomas Howell | 1956-5-12 | 31371 | San Francisco | Marin St. near Third St., San Francisco | Comment | |||
| CAS-BOT-BC25090 | Arctostaphylos crustacea subsp. rosei | John Thomas Howell | 1934-3-9 | 11772 | San Francisco | Lake Merced, San Francisco | Comment | |||
| CAS-BOT-BC25091 | Arctostaphylos crustacea subsp. rosei | John Thomas Howell | 1934-3-9 | 11772 | San Francisco | Lake Merced, San Francisco | Comment | |||
| CAS-BOT-BC253681 | Panicum capillare | John Thomas Howell | 1957-8-5 | 32869 | San Francisco | Strybing Arboretum [San Francisco Botanical Garden], Golden Gate Park | Comment | |||
| CAS-BOT-BC253958 | Parapholis incurva | John Thomas Howell | 1956-6-3 | 31459 | San Francisco | Embarcadero and Front Street, San Francisco | Comment | |||
| CAS-BOT-BC253959 | Parapholis incurva | John Thomas Howell | 1957-9-1 | 32928 | San Francisco | Sutro Heights above Point Lobos | Comment | |||
| CAS-BOT-BC253960 | Parapholis incurva | John Thomas Howell | 1956-5-12 | 31369 | San Francisco | Marin Street, San Francisco | Comment | |||
| CAS-BOT-BC254428 | Piptatherum miliaceum | John Thomas Howell | 1956-5-19 | 31393 | San Francisco | Along Embarcadero near Townsend Street, San Francisco | Comment | |||
| CAS-BOT-BC254429 | Piptatherum miliaceum | John Thomas Howell | 1956-5-19 | 31419 | San Francisco | Near Third and Army Streets, San Francisco | Comment | |||
| CAS-BOT-BC254430 | Piptatherum miliaceum | John Thomas Howell | 1956-7-1 | 31635 | San Francisco | Embarcadero and Lombard Street, San Francisco | Comment | |||
| CAS-BOT-BC254533 | Poa douglasii | John Thomas Howell | 1933-5-7 | 11221 | San Francisco | Presidio, San Francisco | Comment | |||
| CAS-BOT-BC255549 | Poa annua | John Thomas Howell | 1956-7-1 | 31648 | San Francisco | Embarcadero and Vallejo Street, San Francisco | Comment | |||
| CAS-BOT-BC255550 | Poa annua | John Thomas Howell | 1957-6-11 | 32601 | San Francisco | E side of Lone Mountain, San Francisco | Comment | |||
| CAS-BOT-BC255551 | Poa annua | John Thomas Howell | 1957-5-17 | 32281 | San Francisco | Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC258796 | Pennisetum clandestinum | John Thomas Howell | 1957-9-6 | 32945 | San Francisco | San Francisco. Main Drive, Golden Gate Park | Comment | |||
| CAS-BOT-BC258797 | Pennisetum clandestinum | John Thomas Howell | 1957-9-6 | 32947 | San Francisco | San Francisco. Strybing Arboretum, Golden Gate Park | Comment | |||
| CAS-BOT-BC258798 | Pennisetum clandestinum | John Thomas Howell | 1957-9-19 | 32966 | San Francisco | San Francisco. In the Presidio | Comment | |||
| CAS-BOT-BC258988 | Phalaris californica | John Thomas Howell | 1944-6-14 | 19627 | San Francisco | Laurel Hill Cemetery, San Francisco | Comment | |||
| CAS-BOT-BC259682 | Paspalum dilatatum | John Thomas Howell | 1957-8-6 | 32887 | San Francisco | Strybing Arboretum (San Francisco Botanical Garden), Golden Gate Park, San Francisco | Comment | |||
| CAS-BOT-BC259765 | Nassella cernua | John Thomas Howell | 1956-6-24 | 31622 | San Francisco | S side of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC259988 | Nassella lepida | John Thomas Howell | 1957-6-11 | 32605 | San Francisco | E side of Lone Mountain, San Francisco | Comment | |||
| CAS-BOT-BC259989 | Nassella lepida | John Thomas Howell | 1956-6-10 | 31548 | San Francisco | N slope of Bay View Hills, San Francisco | Comment | |||
| CAS-BOT-BC259990 | Nassella lepida | John Thomas Howell | 1957-5-28 | 32518 | San Francisco | NW side of Lone Mountain, San Francisco | Comment | |||
| CAS-BOT-BC260194 | Nassella pulchra | John Thomas Howell | 1937-5-23 | 12996 | San Francisco | Presidio, San Francisco | Comment | |||
| CAS-BOT-BC260195 | Nassella pulchra | John Thomas Howell | 1956-6-10 | 31541 | San Francisco | N slope of Bay View Hills, San Francisco | Comment | |||
| CAS-BOT-BC260196 | Nassella pulchra | John Thomas Howell | 1957-5-6 | 32218 | San Francisco | Hunters Point, San Francisco | Comment | |||
| CAS-BOT-BC260197 | Nassella pulchra | John Thomas Howell | 1956-5-6 | 31342 | San Francisco | Sierra and 22nd Streets, San Francisco | Comment | |||
| CAS-BOT-BC260198 | Nassella pulchra | John Thomas Howell | 1957-5-17 | s.n. | San Francisco | Bay View Hills, San Francisco | Comment | |||
| CAS-BOT-BC260199 | Nassella pulchra | John Thomas Howell | 1957-8-19 | 32906 | San Francisco | Near Quarry Lake, Golden Gate Park, San Francisco | Comment | |||
| CAS-BOT-BC260200 | Nassella pulchra | John Thomas Howell | 1957-8-6 | 32880 | San Francisco | Strybing Arboretum [San Francisco Botanical Gardens], Golden Gate Park, San Francisco | Comment | |||
| CAS-BOT-BC260201 | Nassella pulchra | John Thomas Howell | 1956-5-6 | 31342 | San Francisco | Sierra and 22nd Streets, San Francisco | Comment | |||
| CAS-BOT-BC260865 | Phleum pratense | John Thomas Howell | 1957-8-11 | 32892 | San Francisco | Near Academy, Golden Gate Park, San Francisco | Comment | |||
| CAS-BOT-BC261606 | Eriogonum nudum var. nudum | John Thomas Howell | 1956-5-19 | 31431 | San Francisco | Hunters Point, San Francisco | Comment | |||
| CAS-BOT-BC261607 | Eriogonum nudum var. nudum | John Thomas Howell | 1956-5-19 | 31430 | San Francisco | Hunters Point, San Francisco | Comment | |||
| CAS-BOT-BC261608 | Eriogonum nudum var. nudum | John Thomas Howell | 1957-6-30 | 32783 | San Francisco | San Francisco. Hunters Point | Comment | |||
| CAS-BOT-BC261609 | Eriogonum nudum var. nudum | John Thomas Howell | 1956-5-19 | 31429 | San Francisco | Hunters Point, San Francisco | Comment | |||
| CAS-BOT-BC264236 | Melica torreyana | John Thomas Howell | 1957-5-6 | 32196 | San Francisco | Hunters Point, San Francisco | Comment | |||
| CAS-BOT-BC264237 | Melica torreyana | John Thomas Howell | 1957-5-22 | 32375 | San Francisco | Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC264238 | Melica torreyana | John Thomas Howell | 1957-6-30 | s.n. | San Francisco | Hunters Point, San Francisco | Comment | |||
| CAS-BOT-BC265659 | Paspalum distichum | John Thomas Howell | 1956-6-3 | 31462 | San Francisco | Embarcadero and Front St., San Francisco | Comment | |||
| CAS-BOT-BC265660 | Paspalum distichum | John Thomas Howell | 1957-9-22 | s.n. | San Francisco | Front and Vallejo Streets, San Francisco | Comment | |||
| CAS-BOT-BC265793 | Phalaris aquatica | John Thomas Howell | 1957-5-6 | 32186 | San Francisco | East end of Army Street, San Francisco | Comment | |||
| CAS-BOT-BC265795 | Phalaris aquatica | John Thomas Howell | 1957-7-16 | 32815 | San Francisco | Park Merced, San Francisco | Comment | |||
| CAS-BOT-BC265796 | Phalaris aquatica | John Thomas Howell | 1956-7-3 | 31671 | San Francisco | Golden Gate Park, San Francisco | Comment | |||
| CAS-BOT-BC265871 | Phalaris canariensis | John Thomas Howell | 1957-5-22 | 32398 | San Francisco | Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC265873 | Phalaris canariensis | John Thomas Howell | 1956-7-15 | 31691 | San Francisco | Waterfront Street near Mission Rock Terminal, San Francisco | Comment | |||
| CAS-BOT-BC266019 | Eriogonum latifolium | John Thomas Howell | 1956-9-9 | 31863 | San Francisco | SE end of Lake Merced, San Francisco | Comment | |||
| CAS-BOT-BC266020 | Eriogonum latifolium | John Thomas Howell | 1956-9-9 | 31864 | San Francisco | SE end of Lake Merced, San Francisco | Comment | |||
| CAS-BOT-BC266021 | Eriogonum latifolium | John Thomas Howell | 1956-9-9 | 31862 | San Francisco | SE end of Lake Merced, San Francisco | Comment | |||
| CAS-BOT-BC266022 | Eriogonum latifolium | John Thomas Howell | 1956-6-17 | 31593 | San Francisco | Summit ridge of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC266023 | Eriogonum latifolium | John Thomas Howell | 1957-5-28 | 32502 | San Francisco | West side of Lone Mt., San Francisco | Comment | |||
| CAS-BOT-BC269116 | Lolium perenne | John Thomas Howell | 1957-5-17 | s.n. | San Francisco | San Francisco. Bayview Hills | Comment | |||
| CAS-BOT-BC269119 | Lolium perenne | John Thomas Howell | 1956-6-3 | 31473 | San Francisco | Jennings St. north of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC269121 | Lolium perenne | John Thomas Howell | 1957-5-28 | 32517 | San Francisco | San Francisco. Nw. side of Lone Mt. | Comment | |||
| CAS-BOT-BC269439 | Melica californica | John Thomas Howell | 1957-5-17 | 32280 | San Francisco | San Francisco. Bayview Hills | Comment | |||
| CAS-BOT-BC269440 | Melica californica | John Thomas Howell | 1957-5-17 | 32280 | San Francisco | San Francisco. Bayview Hills | Comment | |||
| CAS-BOT-BC269441 | Melica californica | John Thomas Howell | 1957-5-6 | 32197 | San Francisco | San Francisco. Hunters Point | Comment | |||
| CAS-BOT-BC271389 | Hordeum vulgare | John Thomas Howell | 1956-4-22 | 31272 | San Francisco | Embarcadero at Kearney Street, San Francisco | Comment | |||
| CAS-BOT-BC271390 | Hordeum vulgare | John Thomas Howell | 1957-5-6 | s.n. | San Francisco | Army Street near Third Street, San Francisco | Comment | |||
| CAS-BOT-BC271392 | Hordeum vulgare | John Thomas Howell | 1957-5-26 | s.n. | San Francisco | North base of Lone Mt., San Francisco | Comment | |||
| CAS-BOT-BC272230 | Leymus pacificus | John Thomas Howell | 1956-8-26 | 31816 | San Francisco | Near Pine Lake, San Francisco | Comment | |||
| CAS-BOT-BC272231 | Leymus pacificus | John Thomas Howell | 1957-9-1 | 32927 | San Francisco | Sutro Heights above Pt. Lobos, San Francisco | Comment | |||
| CAS-BOT-BC273940 | Leptochloa fusca subsp. fascicularis | John Thomas Howell | 1933-9-25 | 11697 | San Francisco | In San Francisco | Comment | |||
| CAS-BOT-BC274260 | Rostraria cristata | John Thomas Howell | 1956-6-24 | 31628 | San Francisco | South side of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC274313 | Lagurus ovatus | John Thomas Howell | 1957-5-26 | 32407 | San Francisco | San Francisco. North base of Lone Mt. | Comment | |||
| CAS-BOT-BC274562 | Leymus triticoides | John Thomas Howell | 1957-6-17 | 32677 | San Francisco | San Francisco. Lone Mt. | Comment | |||
| CAS-BOT-BC274563 | Leymus triticoides | John Thomas Howell | 1956-4-29 | 31307 | San Francisco | Embarcadero at First & Townsend streets, San Francisco | Comment | |||
| CAS-BOT-BC274564 | Leymus triticoides | John Thomas Howell | 1956-6-24 | 31623 | San Francisco | South side of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC274566 | Leymus triticoides | John Thomas Howell | 1956-6-24 | s.n. | San Francisco | San Francisco. Islais Creek, near Army and Third Streets | Comment | |||
| CAS-BOT-BC277070 | Centaurea melitensis | John Thomas Howell | 1956-6-17 | 31588 | San Francisco | Summit ridge of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC278312 | Festuca californica subsp. californica | John Thomas Howell | 1956-6-17 | 31573 | San Francisco | Summit ridge of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC278470 | Festuca idahoensis | John Thomas Howell | 1956-6-17 | 31564 | San Francisco | Summit ridge of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC278471 | Festuca idahoensis | John Thomas Howell | 1957-5-6 | 32203 | San Francisco | San Francisco. Hunters Point | Comment | |||
| CAS-BOT-BC279038 | Festuca rubra | John Thomas Howell | 1933-5-7 | 11211 | San Francisco | Lone Mountain, San Francisco | Comment | |||
| CAS-BOT-BC279039 | Festuca rubra | John Thomas Howell | 1933-5-7 | 11211 | San Francisco | Lone Mountain, San Francisco | Comment | |||
| CAS-BOT-BC279040 | Festuca rubra | John Thomas Howell | 1957-5-26 | 32449 | San Francisco | San Francisco. North base of Lone Mt. | Comment | |||
| CAS-BOT-BC279041 | Festuca rubra | John Thomas Howell | 1957-5-17 | 32274 | San Francisco | San Francisco. Bayview Hills | Comment | |||
| CAS-BOT-BC280488 | Cirsium quercetorum | John Thomas Howell | 1956-6-10 | 31516 | San Francisco | North slope of Bay View Hills, San Francisco | Comment | |||
| CAS-BOT-BC280499 | Cirsium quercetorum | John Thomas Howell | 1937-5-23 | 13002 | San Francisco | Presidio, San Francisco | Comment | |||
| CAS-BOT-BC280500 | Cirsium quercetorum | John Thomas Howell | 1957-5-6 | 32235 | San Francisco | San Francisco. Hunters Point | Comment | |||
| CAS-BOT-BC281748 | Carduus pycnocephalus | John Thomas Howell | 1957-5-17 | s.n. | San Francisco | Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC282889 | Hainardia cylindrica | John Thomas Howell | 1957-9-1 | 32929 | San Francisco | Sutro Heights above Pt. Lobos, San Francisco | Comment | |||
| CAS-BOT-BC282890 | Hainardia cylindrica | John Thomas Howell | 1956-7-15 | 31702 | San Francisco | E. end of 22nd St., San Francisco | Comment | |||
| CAS-BOT-BC282891 | Hainardia cylindrica | John Thomas Howell | 1957-5-17 | 32282 | San Francisco | Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC282892 | Hainardia cylindrica | John Thomas Howell | 1956-5-19 | 31404 | San Francisco | Near Third and Army Streets, San Francisco | Comment | |||
| CAS-BOT-BC282893 | Hainardia cylindrica | John Thomas Howell | 1957-5-5 | 32163 | San Francisco | East end of 22nd St., San Francisco | Comment | |||
| CAS-BOT-BC283217 | Lolium multiflorum | John Thomas Howell | 1957-5-26 | 32410 | San Francisco | N base of Lone Mountain, San Francisco | Comment | |||
| CAS-BOT-BC283219 | Lolium multiflorum | John Thomas Howell | 1957-6-30 | 32782 | San Francisco | Hunters Point, San Francisco | Comment | |||
| CAS-BOT-BC283636 | Schedonorus pratensis | John Thomas Howell | 1957-6-12 | 32615 | San Francisco | Lone Mountain | Comment | |||
| CAS-BOT-BC284027 | Cirsium brevistylum | John Thomas Howell | 1926-4-24 | 1952 | San Francisco | Lake Merced, San Francisco | Comment | |||
| CAS-BOT-BC284028 | Cirsium brevistylum | John Thomas Howell | 1956-10-28 | 31943 | San Francisco | Mountain Lake, Presidio, San Francisco | Comment | |||
| CAS-BOT-BC284664 | Hordeum brachyantherum subsp. brachyantherum | John Thomas Howell | 1957-5-17 | s.n. | San Francisco | San Francisco. Bayview Hills | Comment | |||
| CAS-BOT-BC284665 | Hordeum brachyantherum subsp. brachyantherum | John Thomas Howell | 1957-7-16 | 32814 | San Francisco | San Francisco. Park Merced | Comment | |||
| CAS-BOT-BC284666 | Hordeum brachyantherum subsp. brachyantherum | John Thomas Howell | 1956-6-5 | 31492 | San Francisco | North slope of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC285121 | Hordeum marinum subsp. gussoneanum | John Thomas Howell | 1957-5-5 | s.n. | San Francisco | San Francisco. East end of 22nd St. | Comment | |||
| CAS-BOT-BC285122 | Hordeum marinum subsp. gussoneanum | John Thomas Howell | 1956-7-15 | 31704 | San Francisco | San Francisco. E. end of 22nd St. | Comment | |||
| CAS-BOT-BC285123 | Hordeum marinum subsp. gussoneanum | John Thomas Howell | 1956-7-1 | 31664 | San Francisco | Hunters Point, San Francisco | Comment | |||
| CAS-BOT-BC285124 | Hordeum marinum subsp. gussoneanum | John Thomas Howell | 1956-5-19 | 31401 | San Francisco | Near Third & Army streets, San Francisco | Comment | |||
| CAS-BOT-BC285125 | Hordeum marinum subsp. gussoneanum | John Thomas Howell | 1957-5-26 | 32474 | San Francisco | San Francisco. North base of Lone Mt. | Comment | |||
| CAS-BOT-BC285126 | Hordeum marinum subsp. gussoneanum | John Thomas Howell | 1956-6-26 | s.n. | San Francisco | San Francisco. Presidio | Comment | |||
| CAS-BOT-BC285647 | Cirsium occidentale var. occidentale | John Thomas Howell | 1926-4-24 | 1944 | San Francisco | Lake Merced, San Francisco | Comment | |||
| CAS-BOT-BC285651 | Cirsium occidentale var. occidentale | John Thomas Howell | 1933-7-9 | 11432 | San Francisco | Lake Merced, San Francisco | Comment | |||
| CAS-BOT-BC285657 | Cirsium occidentale var. occidentale | John Thomas Howell | 1933-7-9 | 11432 | San Francisco | Lake Merced, San Francisco | Comment | |||
| CAS-BOT-BC286949 | Ericameria ericoides | John Thomas Howell | 1956-9-9 | 31850 | San Francisco | San Francisco. At se. end of Lake Merced | Comment | |||
| CAS-BOT-BC286950 | Ericameria ericoides | John Thomas Howell | 1957-10-3 | 32984 | San Francisco | San Francisco. West side of Lone Mt. | Comment | |||
| CAS-BOT-BC286964 | Ericameria ericoides | John Thomas Howell | 1924-10-19 | 703 | San Francisco | Lake Merced, San Francisco | Comment | |||
| CAS-BOT-BC287281 | Cotula australis | John Thomas Howell | 1957-5-17 | 32245 | San Francisco | Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC289383 | Hordeum murinum subsp. glaucum | John Thomas Howell | 1956-6-17 | 31603 | San Francisco | Summit ridge of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC289384 | Hordeum murinum subsp. glaucum | John Thomas Howell | 1957-5-6 | s.n. | San Francisco | Marin near Third Street, San Francisco | Comment | |||
| CAS-BOT-BC289385 | Hordeum murinum subsp. glaucum | John Thomas Howell | 1956-5-19 | 21416 A | San Francisco | Third and Army Streets, San Francisco | Comment | |||
| CAS-BOT-BC289441 | Hordeum murinum subsp. leporinum | John Thomas Howell | 1950-6-17 | 31604 | San Francisco | Summit ridge of Bayview Hill, San Francisco | Comment | |||
| CAS-BOT-BC289442 | Hordeum murinum subsp. leporinum | John Thomas Howell | 1957-5-17 | s.n. | San Francisco | Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC289443 | Hordeum murinum subsp. leporinum | John Thomas Howell | 1957-5-26 | 32417 | San Francisco | North base of Lone Mt., San Francisco | Comment | |||
| CAS-BOT-BC291205 | Erechtites glomeratus | John Thomas Howell | 1957-5-22 | 32406 | San Francisco | San Francisco. Bayview Hills | Comment | |||
| CAS-BOT-BC291453 | Cotula coronopifolia | John Thomas Howell | 1957-5-17 | 32240 | San Francisco | Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC300604 | Erigeron foliosus var. franciscensis | John Thomas Howell | 1957-5-22 | s.n. | San Francisco | San Francisco. Bayview Hills | Comment | |||
| CAS-BOT-BC30323 | Brassica nigra | John Thomas Howell | 1946-6-29 | s.n. | San Francisco | San Francisco. Golden Gate Park. | Comment | |||
| CAS-BOT-BC303443 | Gamochaeta ustulata | John Thomas Howell | 1957-5-17 | s.n. | San Francisco | Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC303671 | Glebionis coronaria | John Thomas Howell | 1957-6-11 | 32610 | San Francisco | E side of Lone Mt, San Francisco | Comment | |||
| CAS-BOT-BC304065 | Eriophyllum confertiflorum | John Thomas Howell | 1956-6-10 | 31537 | San Francisco | North slope of Bay View Hills, San Francisco | Comment | |||
| CAS-BOT-BC305036 | Grindelia hirsutula | John Thomas Howell | 1956-9-30 | 31903 | San Francisco | San Francisco. East end of 22nd Street | Comment | |||
| CAS-BOT-BC305038 | Grindelia hirsutula | John Thomas Howell | 1956-7-22 | 31724 | San Francisco | San Francisco. North slope of Bayview Hills | Comment | |||
| CAS-BOT-BC305039 | Grindelia hirsutula | John Thomas Howell | 1956-7-15 | 31701 | San Francisco | San Francisco. E. end of 22nd St. | Comment | |||
| CAS-BOT-BC305040 | Grindelia hirsutula | J. T. Howell | 1933-9-15 | s.n. | San Francisco | Twin Peaks, San Francisco | Comment | |||
| CAS-BOT-BC305041 | Grindelia hirsutula | J. T. Howell | 1932-1-1 | s.n. | San Francisco | Presidio, San Francisco | Comment | |||
| CAS-BOT-BC305045 | Grindelia hirsutula | John Thomas Howell | 1933-9-15 | 11659 | San Francisco | Summit of Twin Peaks, San Francisco | Comment | |||
| CAS-BOT-BC305047 | Grindelia hirsutula | John Thomas Howell | 1924-10-19 | 709 | San Francisco | Lake Merced, San Francisco | Comment | |||
| CAS-BOT-BC305051 | Grindelia hirsutula | John Thomas Howell | 1933-9-15 | 11656 | San Francisco | Laguna Honda, San Francisco | Comment | |||
| CAS-BOT-BC305052 | Grindelia hirsutula | John Thomas Howell | 1933-9-15 | 11656 | San Francisco | Laguna Honda, San Francisco | Comment | |||
| CAS-BOT-BC305053 | Grindelia hirsutula | John Thomas Howell | 1933-8-11 | 11489 | San Francisco | Presidio, San Francisco | Comment | |||
| CAS-BOT-BC305054 | Grindelia hirsutula | John Thomas Howell | 1933-9-15 | 11657 | San Francisco | Laguna Honda, San Francisco | Comment | |||
| CAS-BOT-BC305062 | Grindelia hirsutula | John Thomas Howell | 1956-9-9 | 31851 | San Francisco | At se. end of Lake Merced | Comment | |||
| CAS-BOT-BC305064 | Grindelia hirsutula | John Thomas Howell | 1933-9-15 | 11662 | San Francisco | Summit of Twin Peaks, San Francisco | Comment | |||
| CAS-BOT-BC305065 | Grindelia hirsutula | J. T. Howell | 1932-10-21 | s.n. | San Francisco | Presidio, San Francisco | Comment | |||
| CAS-BOT-BC305067 | Grindelia hirsutula | John Thomas Howell | 1933-9-15 | 11660 | San Francisco | Summit of Twin Peaks, San Francisco | Comment | |||
| CAS-BOT-BC305069 | Grindelia hirsutula | John Thomas Howell | 1933-9-15 | 11661 | San Francisco | Summit of Twin Peaks, San Francisco | Comment | |||
| CAS-BOT-BC305070 | Grindelia hirsutula | John Thomas Howell | 1956-8-12 | 31749 | San Francisco | San Francisco. Alemany Blvd. near Bayshore Freeway | Comment | |||
| CAS-BOT-BC305075 | Grindelia hirsutula | John Thomas Howell | 1956-6-24 | 31624 | San Francisco | South side of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC305076 | Grindelia hirsutula | John Thomas Howell | 1956-7-1 | 31660 | San Francisco | Marin St. east of 3rd St., San Francisco | Comment | |||
| CAS-BOT-BC305904 | Helminthotheca echioides | John Thomas Howell | 1957-5-17 | 32243 | San Francisco | San Francisco. Bayview Hills | Comment | |||
| CAS-BOT-BC307426 | Gnaphalium palustre | John Thomas Howell | 1956-8-26 | 31798 | San Francisco | Pine Lake, San Francisco | Comment | |||
| CAS-BOT-BC307427 | Gnaphalium palustre | John Thomas Howell | 1956-10-28 | 31947 | San Francisco | Mountain Lake, Presidio, San Francisco | Comment | |||
| CAS-BOT-BC308464 | Eriophyllum staechadifolium | John Thomas Howell | 1956-9-9 | 31873 | San Francisco | Lake Merced, San Francisco | Comment | |||
| CAS-BOT-BC310232 | Hesperevax sparsiflora var. sparsiflora | John Thomas Howell | 1957-5-6 | 32213 | San Francisco | Hunters Point, San Francisco | Comment | |||
| CAS-BOT-BC310233 | Hesperevax sparsiflora var. sparsiflora | John Thomas Howell | 1956-5-6 | 31338 | San Francisco | Sierra & 22nd Sts., San Francisco | Comment | |||
| CAS-BOT-BC310234 | Hesperevax sparsiflora var. sparsiflora | John Thomas Howell | 1957-5-6 | 32213 | San Francisco | San Francisco. Hunters Point | Comment | |||
| CAS-BOT-BC311296 | Heterotheca sessiliflora subsp. echioides | John Thomas Howell | 1956-7-22 | 31722 | San Francisco | San Francisco. Bayview Hills | Comment | |||
| CAS-BOT-BC311299 | Heterotheca sessiliflora subsp. echioides | John Thomas Howell | 1956-7-22 | 31722 | San Francisco | San Francisco. Summit ridge, Bayview Hills | Comment | |||
| CAS-BOT-BC311366 | Hypochaeris glabra | John Thomas Howell | 1957-5-17 | s.n. | San Francisco | San Francisco. Bayview Hills | Comment | |||
| CAS-BOT-BC311371 | Hypochaeris glabra | John Thomas Howell | 1956-6-24 | 31627 | San Francisco | South side of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC311460 | Hypochaeris radicata | John Thomas Howell | 1957-5-17 | s.n. | San Francisco | San Francisco. Bayview Hills | Comment | |||
| CAS-BOT-BC312178 | Eurybia radulina | John Thomas Howell | 1957-5-17 | 32292 | San Francisco | Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC312179 | Eurybia radulina | John Thomas Howell | 1957-7-28 | 32826 | San Francisco | Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC312279 | Euthamia occidentalis | John Thomas Howell | 1924-10-19 | 687 | San Francisco | Lake Merced, San Francisco | Comment | |||
| CAS-BOT-BC322730 | Microseris paludosa | John Thomas Howell | 1937-5-23 | 13000 | San Francisco | Presidio, San Francisco | Comment | |||
| CAS-BOT-BC324079 | Lessingia germanorum | John Thomas Howell | 1924-10-19 | 692 | San Francisco | Lake Merced, San Francisco | Comment | |||
| CAS-BOT-BC324080 | Lessingia germanorum | John Thomas Howell | 1931-9-29 | 8126 | San Francisco | Presidio, San Francisco | Comment | |||
| CAS-BOT-BC324089 | Lessingia germanorum | John Thomas Howell | 1931-9-29 | 8126 | San Francisco | Presidio, San Francisco | Comment | |||
| CAS-BOT-BC324098 | Lessingia germanorum | John Thomas Howell | 1927-9-10 | 3096 | San Francisco | Lake Merced, San Francisco | 213 | Comment | ||
| CAS-BOT-BC324099 | Lessingia germanorum | John Thomas Howell | 1926-11-7 | 2233 | San Francisco | near Lake Merced, San Francisco | Comment | |||
| CAS-BOT-BC324104 | Lessingia germanorum | John Thomas Howell | 1921-8-12 | 2180 | San Francisco | Near Lone Mtn., San Francisco | Comment | |||
| CAS-BOT-BC327997 | Pentachaeta alsinoides | John Thomas Howell | 1957-5-6 | 32215 | San Francisco | Hunters Point | Comment | |||
| CAS-BOT-BC327998 | Pentachaeta alsinoides | John Thomas Howell | 1957-5-22 | 32386 | San Francisco | Bayview Hills | Comment | |||
| CAS-BOT-BC334571 | Lasthenia californica | John Thomas Howell | 1957-5-22 | 32373 | San Francisco | Bayview Hills, San Fransicso | Comment | |||
| CAS-BOT-BC34058 | Carex brevicaulis | John Thomas Howell | 1937-5-23 | 12995 | San Francisco | Presidio, San Francisco. | Comment | |||
| CAS-BOT-BC34059 | Carex brevicaulis | John Thomas Howell | 1938-4-12 | 13766 | San Francisco | Lake Merced, San Francisco. | Comment | |||
| CAS-BOT-BC34060 | Carex brevicaulis | John Thomas Howell | 1938-4-12 | 13766 | San Francisco | Lake Merced, San Francisco. | Comment | |||
| CAS-BOT-BC34062 | Carex brevicaulis | John Thomas Howell | 1957-5-28 | 32521 | San Francisco | San Francisco. Northwest side of Lone Mountain. | Comment | |||
| CAS-BOT-BC34063 | Carex brevicaulis | John Thomas Howell | 1957-5-17 | 32310 | San Francisco | San Francisco. Bayview Hills. At west end. | Comment | |||
| CAS-BOT-BC342455 | Logfia gallica | John Thomas Howell | 1957-5-17 | 32244 | San Francisco | San Francisco. Bayview Hills | Comment | |||
| CAS-BOT-BC343307 | Madia gracilis | John Thomas Howell | 1957-5-17 | 32241 | San Francisco | San Francisco. Bayview Hills | Comment | |||
| CAS-BOT-BC343313 | Madia gracilis | John Thomas Howell | 1957-5-26 | 32470 | San Francisco | San Francisco. North base of Lone Mt. | Comment | |||
| CAS-BOT-BC343315 | Madia gracilis | John Thomas Howell | 1926-4-24 | 1940 | San Francisco | Lake Merced, San Francisco | Comment | |||
| CAS-BOT-BC345070 | Madia sativa | John Thomas Howell | 1933-7-9 | 11433 | San Francisco | Lake Merced, San Francisco | Comment | |||
| CAS-BOT-BC345074 | Madia sativa | John Thomas Howell | 1957-5-22 | 32374 | San Francisco | Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC348188 | Matricaria discoidea | John Thomas Howell | 1957-5-17 | 32246 | San Francisco | San Francisco. Bayview Hills | Comment | |||
| CAS-BOT-BC348769 | Microseris bigelovii | John Thomas Howell | 1956-5-6 | 31348 | San Francisco | Sierra & 22nd Sts., San Francisco | Comment | |||
| CAS-BOT-BC348772 | Microseris bigelovii | John Thomas Howell | 1957-6-30 | 32780 | San Francisco | San Francisco. Hunters Point | Comment | |||
| CAS-BOT-BC348773 | Microseris bigelovii | John Thomas Howell | 1957-5-17 | 32291 | San Francisco | San Francisco. Bayview Hills | Comment | |||
| CAS-BOT-BC348774 | Microseris bigelovii | John Thomas Howell | 1956-5-19 | 31427 | San Francisco | Hunters Point, San Francisco | Comment | |||
| CAS-BOT-BC348775 | Microseris bigelovii | John Thomas Howell | 1957-5-28 | 32511 | San Francisco | San Francisco. Nw. side of Lone Mt. | Comment | |||
| CAS-BOT-BC348776 | Microseris bigelovii | John Thomas Howell | 1933-5-7 | 11217 | San Francisco | Presidio, San Francisco | Comment | |||
| CAS-BOT-BC348777 | Microseris bigelovii | John Thomas Howell | 1937-5-23 | 12997 | San Francisco | Presidio, San Francisco | Comment | |||
| CAS-BOT-BC348850 | Microseris douglasii subsp. douglasii | John Thomas Howell | 1957-5-6 | 32221 | San Francisco | San Francisco. Hunters Point | Comment | |||
| CAS-BOT-BC349122 | Microseris douglasii subsp. tenella | John Thomas Howell | 1937-5-23 | 13008 | San Francisco | Presidio, San Francisco | Comment | |||
| CAS-BOT-BC356806 | Pseudognaphalium californicum | John Thomas Howell | 1956-6-10 | 31511 | San Francisco | North slope of Bay View Hills, San Francisco | Comment | |||
| CAS-BOT-BC357084 | Pseudognaphalium luteoalbum | John Thomas Howell | 1957-5-17 | s.n. | San Francisco | San Francisco. Bayview Hills | Comment | |||
| CAS-BOT-BC357368 | Pseudognaphalium microcephalum | John Thomas Howell | 1956-7-22 | 31721 | San Francisco | San Francisco. Summit ridge, Bayview Hills | Comment | |||
| CAS-BOT-BC357486 | Pseudognaphalium ramosissimum | John Thomas Howell | 1956-9-2 | 31832 | San Francisco | San Francisco. Northeast end of Lake Merced | Comment | |||
| CAS-BOT-BC361511 | Pseudognaphalium stramineum | John Thomas Howell | 1957-5-17 | 32239 | San Francisco | San Francisco. Bayview Hills | Comment | |||
| CAS-BOT-BC361512 | Pseudognaphalium stramineum | John Thomas Howell | 1957-5-22 | 32385 | San Francisco | Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC361514 | Pseudognaphalium stramineum | John Thomas Howell | 1957-5-26 | 32435 | San Francisco | San Francisco. North base of Lone Mt. | Comment | |||
| CAS-BOT-BC361532 | Pseudognaphalium stramineum | John Thomas Howell | 1926-4-24 | 1938 | San Francisco | Near Lake Merced, San Francisco | Comment | |||
| CAS-BOT-BC361535 | Pseudognaphalium stramineum | John Thomas Howell | 1957-5-28 | 32486 | San Francisco | San Francisco. West side of Lone Mt. | Comment | |||
| CAS-BOT-BC362434 | Rafinesquia californica | John Thomas Howell | 1933-7-9 | 11428 | San Francisco | Lake Merced, San Francisco | Comment | |||
| CAS-BOT-BC363374 | Senecio aronicoides | John Thomas Howell | 1926-4-24 | 1936 | San Francisco | Near Lake Merced, San Francisco | Comment | |||
| CAS-BOT-BC364216 | Senecio sylvaticus | John Thomas Howell | 1956-6-17 | 31580 | San Francisco | Summit ridge of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC364618 | Senecio vulgaris | John Thomas Howell | 1957-5-17 | 32242 | San Francisco | San Francisco. Bayview Hills | Comment | |||
| CAS-BOT-BC364841 | Silybum marianum | John Thomas Howell | 1956-6-17 | 31587 | San Francisco | Summit ridge of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC364842 | Silybum marianum | John Thomas Howell | 1957-5-22 | 32399 | San Francisco | San Francisco. Bayview Hills | Comment | |||
| CAS-BOT-BC365167 | Solidago velutina subsp. californica | John Thomas Howell | 1956-7-22 | 31720 | San Francisco | San Francisco. Summit ridge of Bayview Hills | Comment | |||
| CAS-BOT-BC365169 | Solidago velutina subsp. californica | John Thomas Howell | 1956-6-17 | s.n. | San Francisco | Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC365524 | Solidago elongata | John Thomas Howell | 1924-10-19 | 686 | San Francisco | Lake Merced, San Francisco | Comment | |||
| CAS-BOT-BC365714 | Solidago spathulata | John Thomas Howell | 1926-4-24 | 1937 | San Francisco | Near Lake Merced, San Francisco | Comment | |||
| CAS-BOT-BC365715 | Solidago spathulata | John Thomas Howell | 1924-10-19 | 685 | San Francisco | Lake Merced, San Francisco | Comment | |||
| CAS-BOT-BC365726 | Solidago spathulata | John Thomas Howell | 1956-8-26 | 31819 | San Francisco | San Francisco. Near Pine Lake | Comment | |||
| CAS-BOT-BC365895 | Soliva sessilis | John Thomas Howell | 1956-6-24 | 31629 | San Francisco | South side of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC365900 | Soliva sessilis | John Thomas Howell | 1957-5-17 | s.n. | San Francisco | San Francisco. Bayview Hills | Comment | |||
| CAS-BOT-BC36602 | Brassica nigra | John Thomas Howell | 1957-8-6 | 32885 | San Francisco | San Francisco. Golden Gate Park. Strybing Arboretum. | Comment | |||
| CAS-BOT-BC36779 | Brassica rapa | John Thomas Howell | 1956-6-17 | 31585 | San Francisco | San Francisco. Summit ridge of Bayview Hills. | Comment | |||
| CAS-BOT-BC36781 | Brassica rapa | John Thomas Howell | 1957-5-17 | s.n. | San Francisco | San Francisco. Bayview Hills. | Comment | |||
| CAS-BOT-BC37142 | Capsella bursa-pastoris | John Thomas Howell | 1957-5-17 | 32306 | San Francisco | San Francisco. Bayview Hills. | Comment | |||
| CAS-BOT-BC374678 | Sonchus oleraceus | John Thomas Howell | 1957-5-17 | s.n. | San Francisco | San Francisco. Bayview Hills | Comment | |||
| CAS-BOT-BC374679 | Sonchus oleraceus | John Thomas Howell | 1956-6-17 | 31591 | San Francisco | Summit ridge of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC375209 | Stephanomeria elata | John Thomas Howell | 1924-10-19 | 716 | San Francisco | Lake Merced, San Francisco | Comment | |||
| CAS-BOT-BC377124 | Tragopogon porrifolius | John Thomas Howell | 1956-6-17 | 31584 | San Francisco | Summit ridge of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC377125 | Tragopogon porrifolius | John Thomas Howell | 1957-5-17 | s.n. | San Francisco | San Francisco. Bayview Hills | Comment | |||
| CAS-BOT-BC377128 | Tragopogon porrifolius | John Thomas Howell | 1956-4-29 | 31313 | San Francisco | Along railroad, Third & Berry streets, San Francisco | Comment | |||
| CAS-BOT-BC379636 | Layia platyglossa | John Thomas Howell | 1933-5-22 | 11324 | San Francisco | Presidio, San Francisco | Comment | |||
| CAS-BOT-BC379639 | Layia platyglossa | John Thomas Howell | 1950-4-16 | 1605 | San Francisco | Sunset Beach State Park. Bluffs behind beach. Santa Cruz County | Comment | |||
| CAS-BOT-BC382038 | Uropappus lindleyi | John Thomas Howell | 1933-5-23 | 11328 | San Francisco | West of Sutro Forest, San Francisco | Comment | |||
| CAS-BOT-BC383184 | Wyethia angustifolia | John Thomas Howell | 1957-5-17 | 32284 | San Francisco | San Francisco. Bayview Hills | Comment | |||
| CAS-BOT-BC383185 | Wyethia angustifolia | John Thomas Howell | 1956-6-10 | 31532 | San Francisco | North slope of Bay View Hills, San Francisco | Comment | |||
| CAS-BOT-BC383867 | Abronia latifolia | John Thomas Howell | 1957-6-11 | 32592 | San Francisco | San Francisco. North slope of Lone Mountain | Comment | |||
| CAS-BOT-BC383868 | Abronia latifolia | John Thomas Howell | 1957-6-11 | 32592 | San Francisco | San Francisco. North slope of Lone Mt. | Comment | |||
| CAS-BOT-BC384831 | Cardionema ramosissimum | John Thomas Howell | 1956-6-24 | 31626 | San Francisco | South side of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC385924 | Silene gallica | John Thomas Howell | 1957-5-17 | 32262 | San Francisco | San Francisco; Bayview Hills | Comment | |||
| CAS-BOT-BC388372 | Cerastium glomeratum | John Thomas Howell | 1957-5-22 | 32389 | San Francisco | San Francisco. Bayview Hills | Comment | |||
| CAS-BOT-BC389885 | Silene scouleri subsp. scouleri | John Thomas Howell | 1957-6-30 | 32798 | San Francisco | San Francisco. Summit ridge, Bayview Hills | Comment | |||
| CAS-BOT-BC389886 | Silene scouleri subsp. scouleri | John Thomas Howell | 1957-6-30 | 32801 | San Francisco | San Francisco. Summit ridge, Bayview Hills | Comment | |||
| CAS-BOT-BC389887 | Silene scouleri subsp. scouleri | John Thomas Howell | 1957-6-30 | 32799 | San Francisco | San Francisco. Summit ridge, Bayview Hills | Comment | |||
| CAS-BOT-BC389888 | Silene scouleri subsp. scouleri | John Thomas Howell | 1956-7-22 | 31723 | San Francisco | San Francisco. Summit ridge, Bayview Hills | Comment | |||
| CAS-BOT-BC389889 | Silene scouleri subsp. scouleri | John Thomas Howell | 1957-7-28 | 32823 | San Francisco | San Francisco. Bayview Hills | Comment | |||
| CAS-BOT-BC389890 | Silene scouleri subsp. scouleri | John Thomas Howell | 1957-6-30 | 32800 | San Francisco | San Francisco. Summit ridge, Bayview Hills | Comment | |||
| CAS-BOT-BC389988 | Spergula arvensis | John Thomas Howell | 1957-5-17 | 32264 | San Francisco | San Francisco. Bayview Hills | Comment | |||
| CAS-BOT-BC390180 | Spergularia bocconi | John Thomas Howell | 1957-5-22 | s.n. | San Francisco | San Francisco. Bayview Hills | Comment | |||
| CAS-BOT-BC390181 | Spergularia bocconi | John Thomas Howell | 1956-6-24 | 31630 | San Francisco | South side of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC390184 | Spergularia bocconi | John Thomas Howell | 1956-6-24 | 31630 | San Francisco | San Francisco. South side of Bayview Hills | Comment | |||
| CAS-BOT-BC390422 | Spergularia macrotheca var. macrotheca | John Thomas Howell | 1956-5-19 | 31433 | San Francisco | Hunters Point, San Francisco | Comment | |||
| CAS-BOT-BC390692 | Spergularia rubra | John Thomas Howell | 1957-5-17 | 32268 | San Francisco | San Francisco. Bayview Hills | Comment | |||
| CAS-BOT-BC391038 | Spergularia villosa | John Thomas Howell | 1957-5-22 | 32377 | San Francisco | Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC391039 | Spergularia villosa | John Thomas Howell | 1957-5-22 | 32377 | San Francisco | San Francisco. Bayview Hills | Comment | |||
| CAS-BOT-BC393840 | Stellaria media | John Thomas Howell | 1957-5-17 | 32295 | San Francisco | Bayview Hills | Comment | |||
| CAS-BOT-BC400216 | Ceratophyllum demersum | John Thomas Howell | 1956-9-2 | 31842 | San Francisco | San Francisco. Northeast end of Lake Merced | Comment | |||
| CAS-BOT-BC400217 | Ceratophyllum demersum | John Thomas Howell | 1956-8-26 | 31804 | San Francisco | San Francisco. Pine Lake | Comment | |||
| CAS-BOT-BC400218 | Ceratophyllum demersum | John Thomas Howell | 1926-11-7 | 2245 | San Francisco | Lake Merced, San Francisco | Comment | |||
| CAS-BOT-BC40344 | Caulanthus lasiophyllus | John Thomas Howell | 1933-5-23 | 11330 | San Francisco | San Francisco. West of Sutro Forest. | Comment | |||
| CAS-BOT-BC403453 | Eschscholzia californica | John Thomas Howell | 1956-5-19 | 31443 | San Francisco | Hunters Point, San Francisco | Comment | |||
| CAS-BOT-BC403454 | Eschscholzia californica | John Thomas Howell | 1926-4-24 | 1962 | San Francisco | San Francisco sand-dunes near Lake Merced | Comment | |||
| CAS-BOT-BC403455 | Eschscholzia californica | John Thomas Howell | 1957-5-22 | 32376 | San Francisco | Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC403456 | Eschscholzia californica | John Thomas Howell | 1957-5-28 | 32481 | San Francisco | San Francisco. West side of Lone Mt. | Comment | |||
| CAS-BOT-BC403999 | Urtica dioica subsp. holosericea | John Thomas Howell | 1956-10-28 | 31939 | San Francisco | San Francisco. Mountain Lake, Presidio | Comment | |||
| CAS-BOT-BC404001 | Urtica dioica subsp. holosericea | John Thomas Howell | 1956-8-26 | 31813 | San Francisco | San Francisco. Near Pine Lake | Comment | |||
| CAS-BOT-BC404344 | Urtica urens | John Thomas Howell | 1957-5-22 | 32397 | San Francisco | San Francisco. Bayview Hills | Comment | |||
| CAS-BOT-BC413593 | Persicaria amphibia | John Thomas Howell | 1956-8-26 | 31801 | San Francisco | San Francisco. Pine Lake | Comment | |||
| CAS-BOT-BC413783 | Persicaria lapathifolia | John Thomas Howell | 1931-9-29 | 8124 | San Francisco | Mountain Lake, Presidio, San Francisco | Comment | |||
| CAS-BOT-BC413785 | Persicaria lapathifolia | John Thomas Howell | 1931-9-29 | 8124 | San Francisco | Mountain Lake, Presidio, San Francisco | Comment | |||
| CAS-BOT-BC413787 | Persicaria lapathifolia | John Thomas Howell | 1956-10-28 | 31928 | San Francisco | San Francisco. Mountain Lake, Presidio | Comment | |||
| CAS-BOT-BC414060 | Polygonum aviculare subsp. aviculare | John Thomas Howell | 1956-4-28 | 31296 | San Francisco | Lake Merced, San Francisco | Comment | |||
| CAS-BOT-BC416361 | Rumex californicus | John Thomas Howell | 1956-6-10 | 31530 | San Francisco | North slope of Bay View Hills, San Francisco | Comment | |||
| CAS-BOT-BC419371 | Persicaria punctata | John Thomas Howell | 1956-10-28 | s.n. | San Francisco | San Francisco. Mountain Lake, Presidio | Comment | |||
| CAS-BOT-BC421551 | Rumex crassus | John Thomas Howell | 1957-9-1 | 32931 | San Francisco | San Francisco. Sutro Heights above Pt. Lobos | Comment | |||
| CAS-BOT-BC421552 | Rumex crassus | John Thomas Howell | 1957-10-5 | 32987 | San Francisco | San Francisco. Fort Point, Presidio | Comment | |||
| CAS-BOT-BC422056 | Rumex acetosella | John Thomas Howell | 1957-5-17 | s.n. | San Francisco | San Francisco. Bayview Hills | Comment | |||
| CAS-BOT-BC422058 | Rumex acetosella | John Thomas Howell | 1957-5-17 | s.n. | San Francisco | San Francisco. Bayview Hills | Comment | |||
| CAS-BOT-BC427602 | Crassula aquatica | John Thomas Howell | 1926-11-7 | 2243 | San Francisco | Lake Merced, San Francisco. | Comment | |||
| CAS-BOT-BC427810 | Crassula connata | John Thomas Howell | 1956-6-17 | 31583 | San Francisco | Summit ridge of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC433332 | Rumex crispus | John Thomas Howell | 1956-6-17 | 31568 | San Francisco | Summit ridge of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC433529 | Rumex fueginus | John Thomas Howell | 1926-11-7 | 2241 | San Francisco | Lake Merced, San Francisco. | Comment | |||
| CAS-BOT-BC433727 | Rumex occidentalis | John Thomas Howell | 1958-6-3 | 33628 | San Francisco | San Francisco. Fort Point | Comment | |||
| CAS-BOT-BC433728 | Rumex occidentalis | John Thomas Howell | 1958-6-3 | 33628 | San Francisco | San Francisco. Fort Point | Comment | |||
| CAS-BOT-BC433973 | Rumex salicifolius | John Thomas Howell | 1956-8-12 | 31747 | San Francisco | San Francisco. Alemany Blvd. near Bayshore Freeway | Comment | |||
| CAS-BOT-BC433976 | Rumex salicifolius | John Thomas Howell | 1956-5-19 | 31439 | San Francisco | Hunters Point, San Francisco | Comment | |||
| CAS-BOT-BC433977 | Rumex salicifolius | John Thomas Howell | 1956-9-2 | 31846 | San Francisco | San Francisco. Northeast end of Lake Merced | Comment | |||
| CAS-BOT-BC435122 | Aptenia cordifolia | John Thomas Howell | 1957-9-1 | 32937 | San Francisco | San Francisco. Sutro Heights above Pt. Lobos | Comment | |||
| CAS-BOT-BC435123 | Aptenia cordifolia | John Thomas Howell | 1957-9-1 | 32937 | San Francisco | San Francisco. Sutro Heights above Point Lobos. | Comment | |||
| CAS-BOT-BC436429 | Calystegia subacaulis | John Thomas Howell | 1937-5-23 | 13001 | San Francisco | Presidio | Comment | |||
| CAS-BOT-BC436527 | Ligusticum apiifolium | John Thomas Howell | 1956-6-17 | 31569 | San Francisco | San Francisco: summit ridge of Bayview Hills | Comment | |||
| CAS-BOT-BC438511 | Calandrinia ciliata | John Thomas Howell | 1957-5-17 | 32267 | San Francisco | San Francisco. Bayview Hills | Comment | |||
| CAS-BOT-BC438512 | Calandrinia ciliata | John Thomas Howell | 1957-5-6 | 32234 | San Francisco | San Francisco. Hunters Point | Comment | |||
| CAS-BOT-BC439572 | Claytonia parviflora subsp. parviflora | John Thomas Howell | 1957-5-29 | 32544 | San Francisco | San Francisco. North side of Lone Mt. | Comment | |||
| CAS-BOT-BC439884 | Claytonia perfoliata | John Thomas Howell | 1957-5-17 | 32304 | San Francisco | San Francisco. Bayview Hills | Comment | |||
| CAS-BOT-BC441337 | Luzula subsessilis | John Thomas Howell | 1956-6-10 | 31552 | San Francisco | North slope of Bay View Hills, San Francisco | Comment | |||
| CAS-BOT-BC441338 | Luzula subsessilis | John Thomas Howell | 1957-5-26 | 32468 | San Francisco | North base of Lone Mt. | Comment | |||
| CAS-BOT-BC447791 | Acaena pinnatifida var. californica | John Thomas Howell | 1957-5-28 | 32522 | San Francisco | Nw. side of Lone Mt. | Comment | |||
| CAS-BOT-BC447792 | Acaena pinnatifida var. californica | John Thomas Howell | 1957-5-17 | s.n. | San Francisco | Bayview Hills | Comment | |||
| CAS-BOT-BC447793 | Acaena pinnatifida var. californica | John Thomas Howell | 1956-6-17 | 31571 | San Francisco | Summit of ridge of Bayview Hills | Comment | |||
| CAS-BOT-BC44894 | Ambrosia chamissonis | John Thomas Howell | 1957-5-26 | 32430 | San Francisco | San Francisco. North base of Lone Mountain | Comment | |||
| CAS-BOT-BC44903 | Ambrosia chamissonis | John Thomas Howell | 1957-9-19 | 32967 | San Francisco | North side of Lone Mountain | Comment | |||
| CAS-BOT-BC44904 | Ambrosia chamissonis | John Thomas Howell | 1957-9-19 | 32968 | San Francisco | North side of Lone Mountain | Comment | |||
| CAS-BOT-BC44905 | Ambrosia chamissonis | John Thomas Howell | 1957-5-26 | 32432 | San Francisco | North base of Lone Mountain | Comment | |||
| CAS-BOT-BC44906 | Ambrosia chamissonis | John Thomas Howell | 1957-5-26 | 32432 | San Francisco | North base of Lone Mountain | Comment | |||
| CAS-BOT-BC45156 | Anaphalis margaritacea | John Thomas Howell | 1925-4-18 | 969 | San Francisco | Point Lobos, San Francisco, between Land's End and the Cliff House. | Comment | |||
| CAS-BOT-BC45157 | Anaphalis margaritacea | John Thomas Howell | 1926-4-24 | 1941 | San Francisco | Lake Merced, San Francisco | Comment | |||
| CAS-BOT-BC45158 | Anaphalis margaritacea | John Thomas Howell | 1957-6-11 | 32585 | San Francisco | North slope of Lone Mountain | Comment | |||
| CAS-BOT-BC47281 | Arctostaphylos tomentosa | John Thomas Howell | 1934-3-4 | 11773 | San Francisco | Lake Merced, San Francisco. | Comment | |||
| CAS-BOT-BC47680 | Armeria maritima subsp. californica | John Thomas Howell | 1926-4-24 | 1958 | San Francisco | San Francisco sand-dunes near Lake Merced | Comment | |||
| CAS-BOT-BC52253 | Ceanothus thyrsiflorus | John Thomas Howell | 1957-5-29 | 32541 | San Francisco | North side of Lone Mt. | Comment | |||
| CAS-BOT-BC52640 | Frangula californica subsp. californica | John Thomas Howell | 1956-6-17 | 31570 | San Francisco | Summit ridge of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC52641 | Frangula californica subsp. californica | John Thomas Howell | 1957-5-28 | 32507 | San Francisco | West side of Lone Mt. | Comment | |||
| CAS-BOT-BC54781 | Erysimum franciscanum | John Thomas Howell | 1933-5-23 | 11329 | San Francisco | San Francisco. West of Sutro Forest. | Comment | |||
| CAS-BOT-BC54782 | Erysimum franciscanum | John Thomas Howell | 1933-5-23 | 11329 | San Francisco | San Francisco. West of Sutro Forest. | Comment | |||
| CAS-BOT-BC54783 | Erysimum franciscanum | John Thomas Howell | 1948-5-7 | 24295 | San Francisco | San Francisco. Near Laguna Honda. | Comment | |||
| CAS-BOT-BC55413 | Hirschfeldia incana | John Thomas Howell | 1956-6-17 | 31595 | San Francisco | San Francisco. Summit ridge of Bayview Hills. | Comment | |||
| CAS-BOT-BC55415 | Hirschfeldia incana | John Thomas Howell | 1957-5-26 | 32414 | San Francisco | San Francisco. North base of Lone Mountain. | Comment | |||
| CAS-BOT-BC55416 | Hirschfeldia incana | John Thomas Howell | 1957-5-17 | 32248 | San Francisco | San Francisco. Bayview Hills. | Comment | |||
| CAS-BOT-BC57023 | Equisetum arvense | John Thomas Howell | 1957-9-16 | 32963 | San Francisco | Strybing Arboretum, Golden Gate Park | Comment | |||
| CAS-BOT-BC57113 | Equisetum X ferrissii | John Thomas Howell | 1926-4-24 | 1939 | San Francisco | Near Lake Merced, San Francisco | Comment | |||
| CAS-BOT-BC57590 | Equisetum telmateia | John Thomas Howell | 1956-6-24 | 31609 | San Francisco | North side of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC57591 | Equisetum telmateia | John Thomas Howell | 1956-6-5 | 31495 | San Francisco | North slope of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC57840 | Equisetum hyemale subsp. affine | John Thomas Howell | 1957-8-5 | 32866 | San Francisco | Strybing Arboretum, Golden Gate Park, San Francisco. | Comment | |||
| CAS-BOT-BC60202 | Lobularia maritima | John Thomas Howell | 1957-5-17 | 32247 | San Francisco | San Francisco. Bayview Hills. | Comment | |||
| CAS-BOT-BC60203 | Lobularia maritima | John Thomas Howell | 1957-5-29 | 32540 | San Francisco | San Francisco. North side of Lone Mountain. | Comment | |||
| CAS-BOT-BC60249 | Lunaria annua | John Thomas Howell | 1957-5-29 | 32543 | San Francisco | San Francisco. North side of Lone Mountain. | Comment | |||
| CAS-BOT-BC60471 | Nasturtium officinale | John Thomas Howell | 1956-8-12 | 31756 | San Francisco | San Francisco. Alemany Boulevard, near Bayshore Freeway. | Comment | |||
| CAS-BOT-BC61495 | Sedum album | John Thomas Howell | 1957-8-6 | s.n. | San Francisco | Strybing Arboretum, Golden Gate Park | Comment | |||
| CAS-BOT-BC61735 | Quercus agrifolia | John Thomas Howell | 1956-6-10 | 31538 | San Francisco | North slope of Bay View Hills, San Francisco | Comment | |||
| CAS-BOT-BC61736 | Quercus agrifolia | John Thomas Howell | 1957-10-27 | 33004 | San Francisco | Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC63709 | Ceanothus incanus | John Thomas Howell | 1933-7-9 | 11427 | San Francisco | Lake Merced. | Comment | |||
| CAS-BOT-BC68374 | Azolla filiculoides | John Thomas Howell | 1956-8-26 | 31805 | San Francisco | San Francisco - Pine Lake | Comment | |||
| CAS-BOT-BC70966 | Dryopteris arguta | John Thomas Howell | 1957-6-12 | 32614 | San Francisco | North slope of Lone Mt. | Comment | |||
| CAS-BOT-BC70967 | Dryopteris arguta | John Thomas Howell | 1956-6-17 | 31600 | San Francisco | Summit ridge of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC71713 | Pentagramma triangularis subsp. triangularis | John Thomas Howell | 1958-5-17 | 32313 | San Francisco | Bayview Hills | Comment | |||
| CAS-BOT-BC71714 | Pentagramma triangularis subsp. triangularis | John Thomas Howell | 1956-5-6 | 31333 | San Francisco | Sierra & 22nd streets, San Francisco | Comment | |||
| CAS-BOT-BC71715 | Pentagramma triangularis subsp. triangularis | John Thomas Howell | 1957-5-29 | 32535 | San Francisco | North side of Lone Mt. | Comment | |||
| CAS-BOT-BC71717 | Pentagramma triangularis subsp. triangularis | John Thomas Howell | 1957-5-17 | 32313 | San Francisco | Bayview Hills | Comment | |||
| CAS-BOT-BC71983 | Polypodium californicum | John Thomas Howell | 1957-5-6 | 32206 | San Francisco | Hunters Point | Comment | |||
| CAS-BOT-BC71984 | Polypodium californicum | John Thomas Howell | 1957-5-17 | 32312 | San Francisco | Bayview Hills | Comment | |||
| CAS-BOT-BC72060 | Polypodium calirhiza | John Thomas Howell | 1957-10-27 | 33005 | San Francisco | Bayview Hills | Comment | |||
| CAS-BOT-BC72095 | Polypodium scouleri | John Thomas Howell | 1957-5-17 | 32314 | San Francisco | Bayview Hills | Comment | |||
| CAS-BOT-BC72638 | Pteridium aquilinum | John Thomas Howell | 1957-5-17 | s.n. | San Francisco | Bayview Hills | Comment | |||
| CAS-BOT-BC72640 | Pteridium aquilinum | John Thomas Howell | 1956-6-17 | 31582 | San Francisco | Summit ridge of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC72641 | Pteridium aquilinum | John Thomas Howell | 1957-5-28 | 32484 | San Francisco | West side of Lone Mt. | Comment | |||
| CAS-BOT-BC74045 | Turritis glabra | John Thomas Howell | 1926-4-24 | 1947 | San Francisco | San Francisco. Lake Merced. | Comment | |||
| CAS-BOT-BC74320 | Raphanus sativus | John Thomas Howell | 1956-6-17 | 31597 | San Francisco | San Francisco. Summit ridge of Bayview Hills. | Comment | |||
| CAS-BOT-BC74322 | Raphanus sativus | John Thomas Howell | 1957-5-17 | s.n. | San Francisco | San Francisco. Bayview Hills. | Comment | |||
| CAS-BOT-BC74323 | Raphanus sativus | John Thomas Howell | 1957-5-26 | 32415 | San Francisco | San Francisco. North base of Lone Mountain. | Comment | |||
| CAS-BOT-BC75341 | Sisymbrium officinale | John Thomas Howell | 1956-6-17 | 31602 | San Francisco | San Francisco. Summit ridge of Bayview Hills. | Comment | |||
| CAS-BOT-BC75342 | Sisymbrium officinale | John Thomas Howell | 1957-5-17 | s.n. | San Francisco | San Francisco. Bayview Hills. | Comment | |||
| CAS-BOT-BC75435 | Sisymbrium orientale | John Thomas Howell | 1956-6-17 | 31560 | San Francisco | San Francisco. Summit ridge of Bayview Hills. | Comment | |||
| CAS-BOT-BC76632 | Polystichum munitum | John Thomas Howell | 1957-5-29 | 32542 | San Francisco | San Francsico - north side of Lone Mt. | Comment | |||
| CAS-BOT-BC76633 | Polystichum munitum | John Thomas Howell | 1956-9-9 | 31872 | San Francisco | San Francsico - west end of Lake Merced | Comment | |||
| CAS-BOT-BC76634 | Polystichum munitum | John Thomas Howell | 1956-6-17 | 31562 | San Francisco | San Francsico - summit ridge of Bayview Hills | Comment | |||
| CAS-BOT-BC76860 | Polypodium calirhiza | John Thomas Howell | 1957-5-29 | 32527 | San Francisco | North side of Lone Mt. | Comment | |||
| CAS-BOT-BC77898 | Woodwardia fimbriata | John Thomas Howell | 1956-9-9 | 31871 | San Francisco | West end of Lake Merced | Comment | |||
| CAS-BOT-BC80771 | Cupressus macrocarpa | John Thomas Howell | 1956-9-2 | 31833 | San Francisco | Near northeast end of Lake Merced. | Comment | |||
| CAS-BOT-BC80773 | Cupressus macrocarpa | John Thomas Howell | 1956-8-19 | 31784 | San Francisco | Summit ridge, Bayview Hills. | Comment | |||
| CAS-BOT-BC80775 | Cupressus macrocarpa | John Thomas Howell | 1957-6-11 | 32579 | San Francisco | North slope of Lone Mt. | Comment | |||
| CAS-BOT-BC80776 | Cupressus macrocarpa | John Thomas Howell | 1957-6-17 | s.n. | San Francisco | Presidio, San Francisco. | Comment | |||
| CAS-BOT-BC84910 | Artemisia californica | John Thomas Howell | 1956-7-22 | 31718 | San Francisco | San Francisco - Summit ridge of Bayview Hills | Comment | |||
| CAS-BOT-BC84911 | Artemisia californica | John Thomas Howell | 1956-7-17 | s.n. | San Francisco | San Francisco - Bayview Hills | Comment | |||
| CAS-BOT-BC88614 | Iberis umbellata | John Thomas Howell | 1957-8-6 | 32883 | San Francisco | Golden Gate Park. Strybing Arboretum. | Comment | |||
| CAS-BOT-BC88902 | Lepidium densiflorum var. densiflorum | John Thomas Howell | 1957-8-12 | 32893 | San Francisco | San Francisco. Golden Gate Park. Stow Lake. | Comment | |||
| CAS-BOT-BC89105 | Lepidium didymum | John Thomas Howell | 1926-7-13 | 2067 | San Francisco | San Francisco. Lone Mountain. | Comment | |||
| CAS-BOT-BC89108 | Lepidium didymum | John Thomas Howell | 1957-5-17 | 32296 | San Francisco | San Francisco. Bayview Hills. | Comment | |||
| CAS-BOT-BC89109 | Lepidium didymum | John Thomas Howell | 1957-6-11 | 32600 | San Francisco | San Francisco. East side of Lone Mountain. | Comment | |||
| CAS-BOT-BC90438 | Artemisia douglasiana | John Thomas Howell | 1956-7-22 | 31715 | San Francisco | North base of Bayview Hills | Comment | |||
| CAS-BOT-BC93671 | Artemisia pycnocephala | John Thomas Howell | 1926-7-13 | 2070 | San Francisco | Lone Mountain, San Francisco | Comment | |||
| CAS-BOT-BC93674 | Artemisia pycnocephala | John Thomas Howell | 1957-6-11 | 32591 | San Francisco | north slope of Lone Mt. - San Francisco | Comment | |||
| CAS-BOT-BC97755 | Symphyotrichum chilense | John Thomas Howell | 1924-10-19 | 704 | San Francisco | Lake Merced, San Francisco | Comment | |||
| CAS-BOT-BC97758 | Symphyotrichum chilense | John Thomas Howell | 1956-8-19 | 31786 | San Francisco | Summit ridge, Bayview Hills | Comment | |||
| CAS-BOT-BC97761 | Symphyotrichum chilense | John Thomas Howell | 1956-8-19 | 31790 | San Francisco | North side, Bayview Hills | Comment | |||
| CAS-BOT-BC97763 | Symphyotrichum chilense | John Thomas Howell | 1957-10-9 | 32993 | San Francisco | Lone Mt. | Comment | |||
| CAS-BOT-BC97764 | Symphyotrichum chilense | John Thomas Howell | 1962-9-6 | s.n. | San Francisco | Strybing Arboretum, Golden Gate Park | Comment | |||
| CAS-BOT-BC97778 | Symphyotrichum chilense | John Thomas Howell | 1957-6-30 | 32795 | San Francisco | North slope of Bayview Hills | Comment | |||
| CAS-BOT-BC99374 | Symphyotrichum subspicatum | John Thomas Howell | 1957-9-1 | 32938 | San Francisco | Sutro Heights above Pt. Lobos | Comment | |||
| CAS-BOT-BC99461 | Baccharis pilularis | John Thomas Howell | 1957-6-11 | 32590 | San Francisco | North slope of Lone Mt. | Comment | |||
| CAS-BOT-BC99468 | Baccharis pilularis | John Thomas Howell | 1957-6-11 | 32589 | San Francisco | North slope of Lone Mountain, San Francisco | Comment | |||
| CAS-BOT-BC99474 | Baccharis pilularis | John Thomas Howell | 1957-5-28 | 32501 | San Francisco | West side of Lone Mt. | Comment | |||
| CAS-BOT-BC99481 | Baccharis pilularis | John Thomas Howell | 1956-9-30 | 31904 | San Francisco | east end of 22nd St. | Comment | |||
| CAS-BOT-BC99484 | Baccharis pilularis | John Thomas Howell | 1956-7-22 | 31719 | San Francisco | Summit ridge, Bayview Hills | Comment | |||
| CAS-BOT-BC99485 | Baccharis pilularis | John Thomas Howell | 1924-10-19 | 705 | San Francisco | Lake Merced, San Francisco | Comment | |||
| CAS-BOT-BC99486 | Baccharis pilularis | John Thomas Howell | 1956-7-15 | 31707 | San Francisco | e. end of 22nd St. | Comment | |||
| CDA2018 | Ehrharta erecta | J. T. Howell | 1973-1-22 | 49110 | San Francisco | Golden Gate Park, near Academy buildings, San Francisco. | 0 | Comment | ||
| CDA3323 | Phytolacca heterotepala | J. T. Howell | 1959-9-1 | 34604 | San Francisco | Golden Gate Park, San Francisco. | 0 | Comment | ||
| CDA3324 | Phytolacca heterotepala | J. T. Howell | 1960-1-23 | 35131 | San Francisco | Golden Gate Park, San Francisco. | 0 | Comment | ||
| CDA3340 | Conicosia pugioniformis | J. T. Howell | 1943-10-3 | 19337 | San Francisco | Dunes just east of Lake Merced, San Francisco. | Comment | |||
| CDA3477 | Silene pseudatocion | J. T. Howell | 1972-4-19 | 48673 | San Francisco | San Francisco. | 0 | Comment | ||
| CDA5000 | Lavatera cretica | J. T. Howell | 1945-6-1 | 20913 A | San Francisco | Strybing Arboretum, Golden Gate Park, San Francisco. | 0 | Comment | ||
| CDA5809 | Salpichroa origanifolia | J. T. Howell | 1945-7-23 | 21332 | San Francisco | Golden Gate Park, San Francisco. | 0 | Comment | ||
| HSC24627 | Dodecatheon clevelandii subsp. patulum | J. T. Howell | 1933-3-31 | 10917 | San Francisco | Bernal Heights | Comment | |||
| JEPS16600 | Sisymbrium orientale | John Thomas Howell | 1940-5-27 | San Francisco | San Francisco, Masonic Avenue, near Geary Street San Francisco; , Masonic Avenue | Comment | ||||
| JEPS20554 | Lessingia germanorum | John Thomas Howell | 1926-8-12 | 2180 | San Francisco | Fulton St near St. Ignatius Church Lone Mt.; San Francisco | Comment | |||
| JEPS20555 | Lessingia germanorum | John Thomas Howell | 1926-11-7 | 2233 | San Francisco | near Lake Merced | Comment | |||
| JEPS30795 | Conicosia pugioniformis | John Thomas Howell | 1943-10-30 | 19337 | San Francisco | Just east of Lake Merced. | Comment | |||
| JEPS39466 | Plantago erecta | John Thomas Howell | 1956-5-6 | 31349 | San Francisco | Sierra Street and 22nd Street (San Francisco); San Francisco | Comment | |||
| JEPS39469 | Plantago erecta | John Thomas Howell | 1956-5-19 | 31436 | San Francisco | Hunters Point San Francisco | Comment | |||
| JEPS39470 | Plantago erecta | John Thomas Howell | 1957-5-17 | 32283 | San Francisco | Bayview Hills; San Francisco | Comment | |||
| JEPS39471 | Plantago erecta | John Thomas Howell | 1957-5-28 | 32503 | San Francisco | w side Lone Mountain; San Francisco | Comment | |||
| JEPS39473 | Plantago lanceolata | John Thomas Howell | 1956-6-1 | 31666 | San Francisco | Hunters Point San Francisco | Comment | |||
| JEPS39474 | Plantago coronopus | John Thomas Howell | 1956-7-15 | 31681 | San Francisco | near Mission Rock Terminal (Waterfront Street); San Francisco | Comment | |||
| JEPS58971 | Symphyotrichum subspicatum | J. Thomas Howell | 1957-6-30 | 32795 | San Francisco | Bayview Hills (n slope) San Francisco | Comment | |||
| JEPS58973 | Symphyotrichum subspicatum | John Thomas Howell | 1956-8-19 | 31790 | San Francisco | n side Bayview Hills (San Francisco); , North side Bayview Hills | Comment | |||
| JEPS58993 | Conyza floribunda | John Thomas Howell | 1956-9-30 | 31897 | San Francisco | near Mission Rock Terminal (Waterfront Street); San Francisco | Comment | |||
JEPS59032  |
Scrophularia californica | John Thomas Howell | 1957-5-6 | 32206 A | San Francisco | Hunters Point. | Comment | |||
| JEPS59101 | Carduus tenuiflorus | J. Thomas Howell | 1940-6-5 | San Francisco | Golden Gate Park | Comment | ||||
| JEPS62626 | Plantago major | John Thomas Howell | 1969-7-6 | 45867 | San Francisco | Fort Mason San Francisco | Comment | |||
| JEPS62631 | Solanum furcatum | John Thomas Howell | 1969-7-20 | 45872 | San Francisco | n slope Russian Hill along Hyde Street, San Francisco Russian Hill; San Francisco, Russian Hill along Hyde Street | Comment | |||
| JEPS75287 | Conyza floribunda | John Thomas Howell | 1975-9-10 | 51506 | San Francisco | between Market and Mission Street (sidewalk Main Street); San Francisco | Comment | |||
| JEPS86057 | Plantago erecta | John Thomas Howell | 1957-5-17 | 32283 | San Francisco | Bayview Hills; San Francisco | Comment | |||
| JEPS9910 | Lasthenia californica subsp. californica | John Thomas Howell | 1925-4-18 | 989 | San Francisco | Pt. Lobos | Comment | |||
| LA204229 | Plagiobothrys diffusus | John Thomas Howell; | 1933-5-7 | 11223 | San Francisco | above Mountain Lake, Presidio, San Francisco | Comment | |||
| LA206574 | Chorizanthe cuspidata var. cuspidata | John Thomas Howell; | 1930-6-21 | 5316 | San Francisco | S of Sutro Heights | Comment | |||
| LA42270 | Arctostaphylos crustacea subsp. rosei | John Thomas Howell; | 1934-3-9 | 11772 | San Francisco | Lake Merced | 15.0 | Comment | ||
| LA47372 | Lessingia germanorum | John Thomas Howell; | 1931-9-26 | 8126 | San Francisco | Presidio | Comment | |||
| POM179704 | Chorizanthe cuspidata var. cuspidata | J. T. Howell | 1930-6-21 | 5316 | San Francisco | South of Sutro Heights, San Francisco | Comment | |||
| POM193958 | Castilleja affinis | J. T. Howell | 1926-4-24 | 1953 | San Francisco | Lake Merced. | Comment | |||
| POM196462 | Veronica americana | J. T. Howell | 1926-7-15 | 2079 | San Francisco | Lake Merced, San Francisco. | Comment | |||
| POM196471 | Cryptantha leiocarpa | J. T. Howell | 1926-7-13 | 2066 | San Francisco | Lone Mt., San Francisco. | Comment Read comments Sep 7 2010 |
|||
| POM197776 | Lessingia germanorum | John T. Howell | 1926-11-7 | 2233 | San Francisco | Lake Merced | Comment | |||
| POM202858 | Arctostaphylos tomentosa subsp. rosei | J. T. Howell | 1934-3-9 | 11772 | San Francisco | Lake Merced. | Comment | |||
| POM203045 | Reseda alba | J. T. Howell | 1934-10-25 | 12477 | San Francisco | San Francisco | Comment | |||
| POM203621 | Ceanothus incanus | J. T. Howell | 1933-6-9 | 11427 | San Francisco | Lake Merced | Comment | |||
| POM203637 | Arctostaphylos tomentosa subsp. rosei | J. T. Howell | 1933-3-3 | 10865 | San Francisco | Lake Merced. | Comment | |||
| POM203655 | Microseris bigelovii | J. T. Howell | 1933-5-7 | 11217 | San Francisco | Presidio, San Francisco. | Comment | |||
| POM203916 | Koeleria macrantha | J. T. Howell | 1933-5-23 | 11326 | San Francisco | west of Sutro Forest | Comment | |||
| POM203995 | Dodecatheon clevelandii subsp. patulum | J. T. Howell | 1933-3-31 | 10917 | San Francisco | Bernal Heights. | Comment | |||
| POM204017 | Grindelia hirsutula var. maritima | J. T. Howell | 1933-8-11 | 11489 | San Francisco | Presidio, San Francisco. | Comment | |||
| POM204018 | Grindelia hirsutula var. maritima | J. T. Howell | 1933-9-15 | 11656 | San Francisco | Laguna Honda | Comment | |||
| POM204429 | Layia platyglossa subsp. platyglossa | J. T. Howell | 1933-5-22 | 11324 | San Francisco | Presidio, San Francisco. | Comment | |||
| POM204454 | Oxalis albicans subsp. pilosa | J. T. Howell | 1933-7-9 | 11423 | San Francisco | Lake Merced | Comment | |||
| POM226146 | Leptochloa fusca subsp. fascicularis | J. T. Howell | 1933-9-25 | 11697 | San Francisco | San Francisco | Comment | |||
| POM226231 | Cirsium andrewsii | J. T. Howell | 1933-7-9 | 11424 | San Francisco | Lake Merced | Comment | |||
| POM230441 | Carex tumulicola | J. T. Howell | 1937-5-23 | 13011 | San Francisco | Presidio, San Francisco. | Comment Read comments Feb 3 2011 |
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| POM230444 | Carex harfordii | J. T. Howell | 1937-5-23 | 13006 | San Francisco | Presidio, San Francisco. | Comment Read comments Aug 8 2010 |
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| POM359108 | Grindelia | J. T. Howell | 1933-8-11 | 11489 | San Francisco | Presidio, San Francisco. | Comment | |||
| POM367460 | Arctostaphylos tomentosa subsp. rosei | J. T. Howell | 1934-3-9 | 11772 | San Francisco | Lake Merced. | Comment | |||
| RSA126121 | Silene gallica | J. T. Howell | 1952-5-8 | 28313 | San Francisco | Golden Gate Heights, San Francisco. | Comment | |||
| RSA126123 | Bromus madritensis | J. T. Howell | 1952-5-20 | 28315 | San Francisco | Golden Gate Park, near 8th Av. and Fulton St., San Francisco | Comment | |||
| RSA127322 | Cirsium andrewsii | J. T. Howell | 1958-6-3 | 33627 | San Francisco | Fort Point | Comment | |||
| RSA127760 | Toxicodendron diversilobum | J. T. Howell | 1957-5-28 | 32498 | San Francisco | West side of Lone Mountain. | Comment | |||
| RSA128026 | Toxicodendron diversilobum | J. T. Howell | 1956-10-21 | 31916 | San Francisco | Summit ridge of Bayview Hills | Comment | |||
| RSA201412 | Phacelia californica | J. T. Howell | 1957-5-6 | 32227 | San Francisco | Hunters Point, San Francisco | Comment | |||
| RSA201416 | Carex densa | J. T. Howell | 1957-5-17 | 32270 | San Francisco | Bayview Hills. | Comment | |||
| RSA203031 | Arctostaphylos tomentosa subsp. rosei | J. T. Howell | 1934-3-4 | 11773 | San Francisco | Lake Merced. | Comment | |||
| RSA20488 | Carex globosa | J. T. Howell | 1937-5-23 | 13005 | San Francisco | Presidio, San Francisco. | Comment | |||
| RSA209477 | Epilobium brachycarpum | J. T. Howell | 1956-8-19 | 31787 | San Francisco | Summit Ridge of Bayview Hills, San Francisco. | Comment | |||
| RSA209486 | Oenothera rosea | J. T. Howell | 1958-5-7 | 33024 | San Francisco | Greenich St. between Polk and Larkin Streets, Russian Hill | Comment Read comments Nov 28 2012 |
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| RSA209503 | Epilobium ciliatum subsp. watsonii | J. T. Howell | 1957-5-29 | 32538 | San Francisco | North side of Lone Mountain. | Comment | |||
| RSA209511 | Epilobium brachycarpum | J. T. Howell | 1956-8-19 | 31788 | San Francisco | Summit Ridge of Bayview Hills, San Francisco. | Comment | |||
| RSA209519 | Boisduvalia densiflora var. densiflora | J. T. Howell | 1956-6-5 | 31503 | San Francisco | San Francisco. North slope of Bayview Hills. | Comment | |||
| RSA2115959 | Elymus glaucus subsp. virescens | J. T. Howell | 1957-8-19 | 32904 | San Francisco | Near Quarry Lake, Golden Gate Park | Comment | |||
| RSA212496 | Ligusticum apiifolium | J. T. Howell | 1956-6-17 | 31569 | San Francisco | Summit ridge of Bayview Hills | Comment | |||
| RSA215845 | Deschampsia holciformis | J. T. Howell | 1957-5-17 | s.n. | San Francisco | Bayview Hills. | Comment | |||
| RSA215882 | Eragrostis mexicana subsp. virescens | J. T. Howell | 1957-8-5 | 32863 | San Francisco | in Strybing Arboretum, Golden Gate Park | Comment | |||
| RSA215883 | Schedonorus pratensis | J. T. Howell | 1957-6-12 | 32615 | San Francisco | Lone Mt. | Comment | |||
| RSA215884 | Cupressus macrocarpa | J. T. Howell | 1957-6-11 | s.n. | San Francisco | North slope of Lone Mountain | Comment Read comments Dec 21 2011 |
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| RSA215886 | Anaphalis margaritacea | J. T. Howell | 1956-6-10 | 31533 | San Francisco | North slope of Bayview Hills, San Francisco | Comment | |||
| RSA215890 | Trifolium dubium | J. T. Howell | 1957-5-26 | 32466 | San Francisco | North base of Lone Mountain. | Comment | |||
| RSA215891 | Trifolium campestre | J. T. Howell | 1957-5-29 | 32539 | San Francisco | North side of Lone Mountain | Comment | |||
| RSA215902 | Dryopteris arguta | J. T. Howell | 1957-6-12 | 32614 | San Francisco | North Slope of Lone Mountain | Comment | |||
| RSA215927 | Baccharis pilularis | J. T. Howell | 1957-6-11 | 32589 | San Francisco | North slope of Lone Mountain | Comment Read comments Dec 21 2011 |
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| RSA215947 | Lotus wrangelianus | J. T. Howell | 1957-5-26 | 32456 | San Francisco | North base of Lone Mountain. | Comment | |||
| RSA215951 | Lotus scoparius var. scoparius | J. T. Howell | 1957-5-28 | 32497 | San Francisco | West side of Lone Mountain. | Comment | |||
| RSA215953 | Artemisia californica | J. T. Howell | 1956-7-22 | 31718 | San Francisco | Summit ridge of Bayview Hills | Comment | |||
| RSA215957 | Aster radulinus | J. T. Howell | 1957-7-28 | 32826 | San Francisco | Bayview Hills, San Francisco. | Comment | |||
| RSA215964 | Bromus marginatus | J. T. Howell | 1956-5-6 | 31343 | San Francisco | Sierra and 22nd streets, San Francisco | Comment | |||
| RSA215966 | Solidago californica | J. T. Howell | 1956-7-22 | 31720 | San Francisco | Summit ridge of Bayview Hills | Comment | |||
| RSA215967 | Sonchus asper | J. T. Howell | 1957-10-11 | 32995 | San Francisco | Near Academy of Sciences, Golden Gate Park. | Comment | |||
| RSA215969 | Atriplex subspicata | J. T. Howell | 1956-9-29 | 31889 | San Francisco | Golden Gate Park east of Academy buildings, San Francisco. | Comment | |||
| RSA215970 | Agrostis hallii | J. T. Howell | 1957-5-29 | 32526 | San Francisco | North side of Lone Mountain | Comment Read comments Dec 21 2011 |
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| RSA215979 | Silene scouleri | J. T. Howell | 1957-1 | 31723 | San Francisco | Bayview Hills. | Comment | |||
| RSA215992 | Ranunculus californicus | J. T. Howell | 1957-5-17 | 32263 | San Francisco | Bayview Hills | Comment | |||
| RSA215996 | Polypodium californicum | J. T. Howell | 1957-5-6 | 32206 | San Francisco | Hunters Point, San Francisco | Comment | |||
| RSA215999 | Grindelia stricta var. angustifolia | J. T. Howell | 1956-7-1 | 31660 | San Francisco | Marin Street, E of Third Street, San Francisco. | Comment | |||
| RSA216149 | Pelargonium vitifolium | J. T. Howell | 1957-9-1 | 32926 | San Francisco | Sutro Heights above Point Lobos. | Comment | |||
| RSA217935 | Solanum aviculare | J. T. Howell | 1957-9-1 | 32932 | San Francisco | Sutro Heights above Point Lobos. | Comment | |||
| RSA217947 | Malva nicaeensis | J. T. Howell | 1957-5-22 | 32391 | San Francisco | Bayview Hills. | Comment | |||
| RSA217965 | Rumex acetosella | J. T. Howell | 1957-5-17 | s.n. | San Francisco | Bayview Hills | Comment | |||
| RSA217978 | Rubus discolor | J. T. Howell | 1957-5-26 | 32429 | San Francisco | North base of Lone Mountain. | Comment | |||
| RSA217994 | Mimulus aurantiacus var. aurantiacus | J. T. Howell | 1957-6-11 | 32586 | San Francisco | North slope of Lone Mountain | Comment Read comments Dec 21 2011 |
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| RSA217999 | Eriogonum latifolium | J. T. Howell | 1956-6-17 | 31593 | San Francisco | Summit ridge of Bayview Hills | Comment | |||
| RSA218020 | Typha domingensis | J. T. Howell | 1956-8-12 | 31753 | San Francisco | Alemany Blvd. near Bayshore Freeway, San Francisco. | Comment | |||
| RSA219978 | Madia gracilis | J. T. Howell | 1957-5-17 | 32241 | San Francisco | Bayview Hills. | Comment | |||
| RSA219986 | Grindelia camporum | J. T. Howell | 1956-7-22 | 31724 | San Francisco | North slope of Bayview Hills, San Francisco. | Comment | |||
| RSA219993 | Scabiosa atropurpurea | J. T. Howell | 1956-8-12 | 31750 | San Francisco | Alemany Blvd. near Bayshore Freeway, San Francisco. | Comment | |||
| RSA220005 | Symphoricarpos mollis | J. T. Howell | 1957-7-28 | 32824 | San Francisco | Bayview Hills, San Francisco. | Comment | |||
| RSA220026 | Silene scouleri | J. T. Howell | 1957-6-30 | 32799 | San Francisco | Summit ridge, Bayview Hills. | Comment | |||
| RSA220048 | Horkelia californica | J. T. Howell | 1956-6-17 | 31565 | San Francisco | Summit ridge of Bayview Hills | Comment | |||
| RSA220055 | Microseris douglasii subsp. douglasii | J. T. Howell | 1957-5-6 | 32221 | San Francisco | Hunters Point, San Francisco | Comment | |||
| RSA220062 | Pentachaeta alsinoides | J. T. Howell | 1957-5-22 | 32386 | San Francisco | Bayview Hills. | Comment | |||
| RSA220067 | Rubus ursinus var. sirbenus | J. T. Howell | 1956-8-26 | 31815 | San Francisco | Near Pine Lake. | Comment | |||
| RSA220068 | Rubus ursinus var. sirbenus | J. T. Howell | 1957-8-28 | 32920 | San Francisco | E of Conservatory. Golden Gate Park. | Comment | |||
| RSA220071 | Rubus ursinus | J. T. Howell | 1957-5-28 | 32483 | San Francisco | West side of Lone Mountain. | Comment | |||
| RSA220075 | Senecio glomeratus | J. T. Howell | 1957-5-22 | 32406 | San Francisco | Bayview Hills. | Comment | |||
| RSA223376 | Pennisetum clandestinum | J. T. Howell | 1957-9-19 | 32966 | San Francisco | Escaping from a lawn in the Presidio | Comment | |||
| RSA223386 | Digitaria ischaemum | J. T. Howell | 1957-9-22 | 32971 | San Francisco | Vallejo and Front streets | Comment | |||
| RSA223605 | Gnaphalium californicum | J. T. Howell | 1956-6-10 | 31511 | San Francisco | North slope of Bayview Hills, San Francisco | Comment | |||
| RSA223623 | Madia capitata | J. T. Howell | 1957-5-22 | 32374 | San Francisco | Bayview Hills. | Comment | |||
| RSA223625 | Lagurus ovatus | J. T. Howell | 1957-5-26 | 32407 | San Francisco | North base of Lone Mountain. | Comment Read comments Dec 21 2011 |
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| RSA223626 | Rubus ursinus | J. T. Howell | 1957-5-28 | 32483 | San Francisco | West side of Lone Mountain. | Comment | |||
| RSA223628 | Lolium perenne | J. T. Howell | 1956-6-3 | 31473 | San Francisco | San Francisco, Jennings St., North of Bayview Hills | Comment | |||
| RSA223632 | Orthocarpus densiflorus | J. T. Howell | 1957-5-6 | 32195 | San Francisco | Hunters Point, San Francisco | Comment | |||
| RSA223637 | Hordeum murinum subsp. glaucum | J. T. Howell | 1956-7-1 | 31664 | San Francisco | Hunters Point | Comment | |||
| RSA223653 | Galium nuttallii | J. T. Howell | 1957-5-17 | 32289 | San Francisco | Bayview Hills | Comment | |||
| RSA223666 | Lobularia maritima | J. T. Howell | 1957-5-29 | 32540 | San Francisco | North side of Lone Mountain | Comment | |||
| RSA223675 | Perideridia kelloggii | J. T. Howell | 1956-7-22 | 31711 | San Francisco | North base of Bayview Hills | Comment | |||
| RSA223678 | Euphorbia lathyris | J. T. Howell | 1957-10-27 | 33003 | San Francisco | Bayview Hills. | Comment | |||
| RSA223681 | Lepidium densiflorum | J. T. Howell | 1957-8-12 | 32893 | San Francisco | Stow Lake, Golden Gate Park, San Francisco. | Comment | |||
| RSA223689 | Polypogon interruptus | J. T. Howell | 1956-8-12 | 31768 | San Francisco | Alemany Blvd. near Bayshore Freeway, San Francisco. | Comment | |||
| RSA223690 | Polypogon monspeliensis | J. T. Howell | 1956-4-22 | 31278 | San Francisco | Embarcadero at Vallejo St. | Comment | |||
| RSA223691 | Setaria verticillata | J. T. Howell | 1957-9-1 | 32942 | San Francisco | California Street, Near 16th Avenue | Comment | |||
| RSA223692 | Pennisetum clandestinum | J. T. Howell | 1957-9-6 | 32945 | San Francisco | Main Drive, Golden Gate Park | Comment | |||
| RSA223695 | Ericameria ericoides var. ericoides | J. T. Howell | 1957-10-3 | 32984 | San Francisco | West side of Lone Mt. San Francisco | Comment | |||
| RSA224245 | Prunus ilicifolia | J. T. Howell | 1956-6-17 | 31594 | San Francisco | Summit ridge of Bayview Hills | Comment | |||
| RSA224251 | Isolepis cernua | J. T. Howell | 1956-6-5 | 31486 | San Francisco | San Francisco. North slope of Bayview Hills. | Comment | |||
| RSA224262 | Bryonia dioica | J. T. Howell | 1957-6-21 | 32691 a | San Francisco | Golden Gate Park, near Stow Lake, San Francisco | Comment | |||
| RSA224270 | Lasthenia californica | J. T. Howell | 1957-5-22 | 32373 | San Francisco | Bayview Hills. | Comment | |||
| RSA224272 | Bromus stamineus | J. T. Howell | 1956-4-22 | 31282 | San Francisco | Embarcadero at Vallejo St. | Comment | |||
| RSA224277 | Bromus diandrus | J. T. Howell | 1957-5-17 | 32276 | San Francisco | Bayview Hills. | Comment | |||
| RSA224280 | Aptenia cordifolia | J. T. Howell | 1957-9-1 | 32937 | San Francisco | Sutro Heights above Point Lobos. | Comment | |||
| RSA224281 | Bromus marginatus | J. T. Howell | 1957-5-26 | 32427 | San Francisco | North base of Lone Mountain. | Comment Read comments Dec 21 2011 |
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| RSA224289 | Ranunculus californicus | J. T. Howell | 1957-5-6 | 32204 | San Francisco | Evans Street, Hunters Point | Comment | |||
| RSA224292 | Agrostis stolonifera | J. T. Howell | 1956-10-28 | 31931 | San Francisco | Mountain Lake, Presidio; San Francisco. | Comment | |||
| RSA224295 | Soleirolia soleirolii | J. T. Howell | 1957-6-11 | 32613 | San Francisco | Lone Mountain. | Comment | |||
| RSA224304 | Agrostis capillaris | J. T. Howell | 1957-6-11 | 32576 | San Francisco | North slope of Lone Mountain | Comment | |||
| RSA224311 | Acacia melanoxylon | J. T. Howell | 1957-6-12 | 32617 | San Francisco | Lone Mt. | Comment | |||
| RSA224315 | Lupinus bicolor subsp. umbellatus | J. T. Howell | 32462 | San Francisco | North base of Lone Mountain. | Comment | ||||
| RSA224319 | Lupinus chamissonis | J. T. Howell | 1957-5-28 | 32479 | San Francisco | West side of Lone Mountain. | Comment | |||
| RSA224320 | Lupinus nanus subsp. nanus | J. T. Howell | 1956-6-10 | 31521 | San Francisco | North slope of Bayview Hills, San Francisco | Comment | |||
| RSA224326 | Corethrogyne filaginifolia var. californica | J. T. Howell | 1957-5-6 | 32190 | San Francisco | Hunters Point, San Francisco | Comment | |||
| RSA224329 | Prunus ilicifolia | J. T. Howell | 1957-10-27 | 33006 | San Francisco | Bayview Hills. | Comment | |||
| RSA224342 | Brodiaea terrestris subsp. terrestris | J. T. Howell | 1956-5-19 | 31423 | San Francisco | Hunters Point. | Comment | |||
| RSA224344 | Juncus lescurii | J. T. Howell | 1956-6-5 | 31500 | San Francisco | San Francisco. North slope of Bayview Hills. | Comment | |||
| RSA224347 | Astragalus gambelianus | J. T. Howell | 1957-5-22 | 32387 | San Francisco | Bayview Hills | Comment | |||
| RSA32134 | Salpichroa origanifolia | J. T. Howell | 1945-7-23 | 21332 | San Francisco | Golden Gate Park, San Francisco | Comment | |||
| RSA35283 | Solanum furcatum | J. T. Howell | 1943-10-30 | 19336 | San Francisco | East end of Lake Merced. | Comment | |||
| RSA40154 | Conicosia pugioniformis | J. T. Howell | 1943-10-30 | 19337 | San Francisco | East of Lake Merced | 15 | Comment | ||
| RSA54046 | Erysimum franciscanum | J. T. Howell | 1948-5-7 | s.n. | San Francisco | Laguna Honda | Comment | |||
| RSA69026 | Dodecatheon clevelandii subsp. patulum | J. T. Howell | 1933-3-31 | 10917 | San Francisco | Bernal Heights. | Comment | |||
| RSA70540 | Euphorbia helioscopia | J. T. Howell | 1946-4-5 | 21595 | San Francisco | Twin Peaks, San Francisco. | Comment Read comments Aug 7 2015 |
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| RSA70884 | Arctostaphylos tomentosa subsp. rosei | J. T. Howell | 1934-3-9 | 1172 | San Francisco | Lake Merced. | Comment | |||
| RSA71918 | Gilia capitata subsp. chamissonis | J. T. Howell | 1933-5-23 | 11332 | San Francisco | West of Sutro Forest | Comment | |||
| RSA74862 | Phacelia californica | J. T. Howell | 1929-6-16 | 4311 | San Francisco | Near Point Lobos. | Comment | |||
| RSA7691 | Phacelia californica | J. T. Howell | 1933-5-23 | 11327 | San Francisco | West of Sutro Forest. | Comment | |||
| RSA79579 | Plagiobothrys torreyi var. diffusus | J. T. Howell | 1933-5-7 | 11223 | San Francisco | Above Mountain Lake, Presidio | Comment | |||
| RSA79908 | Salpichroa origanifolia | J. T. Howell | 1945-7-23 | 21332 | San Francisco | Golden Gate Park, San Francisco | Comment | |||
| RSA8525 | Leptochloa fusca subsp. fascicularis | J. T. Howell | 1933-9-25 | 11697 | San Francisco | San Francisco | Comment | |||
| RSA87006 | Myrica californica | J. T. Howell | 1926-11-7 | 2235 | San Francisco | Near Lake Merced. | Comment | |||
| RSA88730 | Carex brevicaulis | J. T. Howell | 1938-4-12 | 13766 | San Francisco | Lake Merced, San Francisco | Comment Read comments Jan 22 2008 |
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| SBBG124421 | Monardella villosa subsp. franciscana | J. T. Howell | 1957-6-30 | 32804 | San Francisco | summit ridge of Bayview Hills | Comment | |||
| SBBG27516 | Carex tumulicola | J. T. Howell | 1937-5-23 | San Francisco | Presidio, San Francisco | Comment | ||||
| SBBG40041 | Rumex salicifolius | J. T. Howell | 1956-7-1 | San Francisco | Hunters Pt | Comment | ||||
| SBBG41156 | Festuca myuros var. hirsuta | J. T. Howell | 1957-5-26 | San Francisco | N base of Lone Mtn | Comment | ||||
| SBBG41157 | Festuca idahoensis | J. T. Howell | 1956-6-17 | 31564 | San Francisco | Bayview Hills | Comment | |||
| SBBG41210 | Phacelia californica | J. T. Howell | 1929-6-16 | San Francisco | Point Lobos, San Francisco | Comment | ||||
| SBBG41436 | Carex brevicaulis | J. T. Howell | 1957-5-17 | 32310 | San Francisco | W end of Bayview Hills | Comment | |||
| SBBG41437 | Carex densa | J. T. Howell | 1957-6-17 | 32685 | San Francisco | Presidio | Comment | |||
| SBBG44569 | Eragrostis mexicana | J. T. Howell | 1957-8-5 | San Francisco | Golden Gate Park | Comment | ||||
| SD71214 | Phalaris aquatica | John Thomas Howell | 1957-7-16 | 32815 | San Francisco | Streed weed, Park Merced | Comment | |||
| SD71241 | Chenopodium californicum | John Thomas Howell | 1957-5-17 | 32315 | San Francisco | Bayview Hills | Comment | |||
| SD71262 | Vulpia myuros | John Thomas Howell | 1957-5-5 | 32164 | San Francisco | San Francisco; waste ground, east end of 22nd St. | Comment | |||
| SD71373 | Amsinckia spectabilis | John Thomas Howell | 1933-7-29 | 11429 | San Francisco | Lake Merced | Comment | |||
| SD71398 | Amsinckia spectabilis | John Thomas Howell | 1933-5-5 | 11209 | San Francisco | San Francisco, Presidio | Comment | |||
| SD72065 | Rumex salicifolius f. ecallosus | John Thomas Howell | 1956-7-1 | 31665 | San Francisco | Serpentine hills, Hunters Pt. | Comment | |||
| SD72070 | Carex densa | John Thomas Howell | 1957-5-17 | 32270 | San Francisco | San Francisco, Bayview Hills | Comment Read comments Jan 12 2007 |
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| SD72076 | Carex subbracteata | John Thomas Howell | 1957-5-28 | 32516 | San Francisco | Northwest side of Lone Mountain. | Comment | |||
| SD72117 | Phacelia imbricata | John Thomas Howell | 1957-5-6 | 32227 | San Francisco | Hunters Point | Comment | |||
| SD77923 | Sedum album | John Thomas Howell | 1957-8-6 | 32878 | San Francisco | Golden Gate Park | Comment | |||
| SEINET209298 | Lomatium dasycarpum | John T. Howell | 1957-5-6 | 32230 | San Francisco | Hunters Point. | Comment | |||
| SEINET209301 |
Vulpia myuros f. megalura | J. T. Howell | 32444 | San Francisco | N base Lone Mtn; San Francisco | Comment | ||||
| SEINET209377 |
Bromus carinatus var. carinatus | John Thomas Howell | 1963-5-12 | 39264 | San Francisco | Steiner Street near Vallejo St. | Comment | |||
| SEINET244257 | Sanicula bipinnatifida | John Thomas Howell | 1957-5-6 | 32216 | San Francisco | Hunter's Point | Comment | |||
| SEINET3916477 | Agrostis microphylla | John Thomas Howell | 1957-6-30 | 32779 | San Francisco | Hunters Point.; 0 | Comment | |||
SEINET4173658  |
Monardella villosa | John Thomas Howell | 1957-6-30 | 32804 | San Francisco | Bayview Hills, San Francisco | Comment | |||
| SEINET7263342 |
Reseda alba | John Thomas Howell | 1957-1 | 32158 | San Francisco | San Francisco, under elevated freeway, 6th and Harrison streets | Comment | |||
| UC1147790 | Carex tumulicola | John Thomas Howell | 1937-5-23 | 13011 | San Francisco | Presidio San Francisco | Comment | |||
| UC1147812 | Carex harfordii | John Thomas Howell and Alice Eastwood | 1937-5-13 | 4366 | San Francisco | Sutro Forest | Comment | |||
| UC1147833 | Carex pachystachya | John Thomas Howell | 1937-5-23 | 13006 | San Francisco | Mountain Lake San Francisco, Presidio | Comment | |||
| UC1177343 | Cirsium andrewsii | J. Thomas Howell | 1958-6-3 | 33627 | San Francisco | Fort Point | Comment | |||
| UC1177359 | Toxicodendron diversilobum | John Thomas Howell | 1956-10-21 | 31916 | San Francisco | San Francisco, summit ridge of Bayview Hills | Comment Read comments Jun 12 2012 |
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| UC1254548 | Carex subbracteata | John Thomas Howell | 1937-5-23 | 12994 | San Francisco | Presidio San Francisco | Comment | |||
| UC1347176 | Sisymbrium orientale | John Thomas Howell | 1937-8-13 | San Francisco | San Francisco, on Masonic Avenue San Francisco | Comment | ||||
| UC2035904 | Monardella villosa subsp. villosa | John Thomas Howell | 1933-7-9 | 11425 | San Francisco | Lake Merced San Francisco | Comment | |||
| UC2037106 | Monardella undulata | John Thomas Howell | 1933-7-9 | 11431 | San Francisco | Lake Merced San Francisco | Comment | |||
| UC473578 | Polygonum lapathifolium | John Thomas Howell | 1931-9-29 | 8124 | San Francisco | Mountain Lake San Francisco, Presidio | Comment | |||
| UC473579 | Lessingia germanorum | John Thomas Howell | 1931-9-26 | 8126 | San Francisco | Presidio San Francisco | Comment | |||
| UC517409 | Plagiobothrys diffusus | John Thomas Howell | 1933-5-7 | 11223 | San Francisco | above Mountain Lake (Presidio, San Francisco); San Francisco, Presidio, Mountain Lake | Comment | |||
| UC517455 | Cirsium andrewsii | J. Thomas Howell | 1933-6-9 | 11424 | San Francisco | Lake Merced | Comment | |||
| UC517465 | Leptochloa fascicularis | John Thomas Howell | 1933-9-25 | 11697 | San Francisco | San Francisco | Comment | |||
| UC517563 | Carex obnupta | John Thomas Howell | 1926-11-7 | 2234 | San Francisco | near Lake Merced; San Francisco | Comment | |||
| UC517565 | Scirpus cernuus | John Thomas Howell | 1926-11-7 | 2242 | San Francisco | Lake Merced San Francisco, Lake Merced | Comment | |||
| UC526213 | Arctostaphylos tomentosa subsp. rosei | John Thomas Howell | 1934-3-9 | 11772 | San Francisco | Lake Merced San Francisco | Comment | |||
| UC526216 | Grindelia hirsutula | John Thomas Howell | 1933-8-11 | 11489 | San Francisco | San Francisco , Presidio (Presidio) | Comment | |||
| UC702958 | Phacelia malvifolia | John Thomas Howell | 1929-6-16 | 4312 | San Francisco | Point Lobos San Francisco (type locality) | Comment | |||
| UC703097 | Rumex maritimus | John Thomas Howell | 1941-10-2 | San Francisco | Golden Gate Park San Francisco | Comment | ||||
| UC710615 | Conicosia pugioniformis | John Thomas Howell | 1943-10-30 | 19337 | San Francisco | Just east of Lake Merced. | Comment | |||
| UC750588 | Sisymbrium orientale | John Thomas Howell | 1946-5-11 | 21759 | San Francisco | San Francisco, Duboce and Market Streets San Francisco | Comment | |||
| UC750594 | Salpichroa origanifolia | John Thomas Howell | 1945-7-23 | 21332 | San Francisco | Golden Gate Park; San Francisco | Comment | |||
| UC750640 | Malva nicaeensis | John Thomas Howell | 1946-5-16 | 21900 | San Francisco | Van Ness Avenue at Fort Mason, San Francisco San Francisco; , Fort Mason, Van Ness Avenue | Comment | |||
| UC817913 | Vulpia bromoides | John Thomas Howell | 1937-5-23 | 13003 | San Francisco | Presidio; San Francisco | Comment | |||
| UC825887 | Carex pachystachya | John Thomas Howell | 1937-5-23 | 13006 | San Francisco | Mountain Lake San Francisco, Presidio | Comment | |||
| UC836646 | Carex tumulicola | John Thomas Howell | 1937-5-23 | 13011 | San Francisco | Presidio San Francisco | Comment | |||
| UC876531 | Arctostaphylos tomentosa subsp. rosei | John Thos. Howell | 1934-3-9 | 11772 | San Francisco | Lake Merced San Francisco | Comment | |||
| UC912539 | Lessingia germanorum | John Thomas Howell | 1926-8-12 | 2180 | San Francisco | Lone Mt. San Francisco | 91 | Comment | ||
| UCD101617 | Rumex salicifolius | John Thomas Howell | 1956-7-1 | 31665 | San Francisco | Hunters Pt. | Comment | |||
| UCD105708 | Genista | John Thomas Howell | 1956-4-22 | 31275 | San Francisco | At base of north cliffs of Telegraph Hill. | Comment | |||
| UCD119712 | Amsinckia kelloggii | John Thomas Howell | 1933-5-5 | 11209 | San Francisco | Presidio. | Comment | |||
| UCD120304 | Phacelia californica | John Thomas Howell | 1929-6-16 | 4311 | San Francisco | Near Point Lobos, San Francisco. | Comment | |||
| UCD124822 | Scrophularia californica | John Thomas Howell | 1957-5-6 | 32206 A | San Francisco | Hunters Point; San Francisco, California. | Comment | |||
| UCD125299 | Monardella villosa | John Thomas Howell | 1957-6-30 | 32804 | San Francisco | summit ridge of Bayview Hills, San Francisco. | Comment | |||
| UCD134469 | Matricaria discoidea | John Thomas Howell | 1957-5-17 | 32246 | San Francisco | Bayview Hills, San Francisco. | Comment | |||
| UCD140183 | Carex brevicaulis | John Thomas Howell | 1957-5-17 | 32310 | San Francisco | Bayview Hills. | Comment | |||
| UCD140872 | Carex subbracteata | John Thomas Howell | 1957-5-17 | 32269 | San Francisco | Bayview Hills. | Comment | |||
| UCD51820 | Agrostis avenacea | John Thomas Howell | 1957-6-16 | 32643 | San Francisco | Third and Davidson Streets. | Comment | |||
| UCD58158 | Bromus carinatus | John Thomas Howell | 1963-5-12 | 39264 | San Francisco | San Francisco. Steiner St. near Vallejo St. | Comment | |||
| UCD59664 | Bromus stamineus | John Thomas Howell | 1956-4-22 | 31273 | San Francisco | Embarcadero at Kearney St., San Francisco. | Comment | |||
| UCD61201 | Ehrharta erecta | John Thomas Howell | 1973-1-22 | 49110 | San Francisco | At Planetarium entrance to the Academy, Golden Gate Park, San Francisco. | Comment | |||
| UCD62575 | Elymus repens | John Thomas Howell | 1956-7-1 | 31658 | San Francisco | 3rd and 4th streets, San Francisco. | Comment | |||
| UCD63891 | Desmazeria rigida | John Thomas Howell | 1954-10-20 | 30111 | San Francisco | 1356 Filbert St., San Francisco. | Comment | |||
| UCD66276 | Festuca roemeri | John Thomas Howell | 1956-6-17 | 31564 | San Francisco | Summit ridge of Bayview Hills. | Comment | |||
| UCD93398 | Thinopyrum junceum | John Thomas Howell | 1944-11-25 | 20769 | San Francisco | San Francisco. Taraval St. and 47th Ave. | Comment | |||
| UCD93535 | Vulpia bromoides | John Thomas Howell | 1957-5-17 | 32273 | San Francisco | Bayview Hills. | Comment | |||
| UCD94538 | Vulpia microstachys var. pauciflora | John Thomas Howell | 1956-5-6 | 31347 | San Francisco | Sierra and 22nd Streets. | Comment | |||
| UCD94539 | Vulpia microstachys var. pauciflora | John Thomas Howell | 1957-5-17 | 32271 | San Francisco | Bayview Hills. | Comment | |||
| UCD96962 | Conicosia pugioniformis | John Thomas Howell | 1943-10-30 | 19337 | San Francisco | East of Lake Merced, San Francisco. | Comment | |||
| UCD96964 | Conicosia pugioniformis | John Thomas Howell | 1943-10-30 | 19337 | San Francisco | East of Lake Merced, San Francisco. | Comment | |||
| UCD98430 | Phytolacca heterotepala | John Thomas Howell | 1959-10-2 | 35095 | San Francisco | Near Academy buildings, Golden Gate Park. | Comment | |||
| UCR208995 | Euphorbia helioscopia | J. T. Howell | 1946-4-5 | 21595 | San Francisco | San Francisco Bay Region, SE slope of Twin Peaks, San Francisco | 229 | Comment | ||
| UCR66608 | Carex brevicaulis | J. T. Howell | 1938-4-12 | 13766 | San Francisco | Central Coast; San Francisco Bay Region, Lake Merced, San Francisco | 12 | Comment | ||
| UCSB14537 | Lomatium dasycarpum | Howell, John | 1957-5-6 | San Francisco | Hunters Point | Comment | ||||
| CAS-BOT-BC111043 | Scirpus microcarpus | John Thomas Howell | 1956-9-2 | 31838 | San Francisco | Northeast end of Lake Merced | Comment | |||
| CAS-BOT-BC111045 | Scirpus microcarpus | John Thomas Howell | 1956-10-28 | 31940 | San Francisco | Among willows, Mountain Lake, Presidio. | Comment | |||
| CAS-BOT-BC111046 | Scirpus microcarpus | John Thomas Howell | 1926-11-7 | 2236 | San Francisco | Swale near Lake Merced | Comment | |||
| CAS-BOT-BC111354 | Schoenoplectus acutus var. occidentalis | John Thomas Howell | 1956-8-12 | 31745 | San Francisco | Seepage on Alemany Blvd near Trumbull St. | Comment | |||
| CAS-BOT-BC111593 | Schoenoplectus californicus | John Thomas Howell | 1956-8-26 | 31082 | San Francisco | Shallow water, Pine Lake | Comment | |||
| CAS-BOT-BC111594 | Schoenoplectus californicus | John Thomas Howell | 1956-10-28 | s.n. | San Francisco | Mountain Lake, Presidio | Comment | |||
| CAS-BOT-BC111743 | Schoenoplectus pungens var. badius | John Thomas Howell | 1956-8-26 | 31800 | San Francisco | Edge of Pine Lake | Comment | |||
| CAS-BOT-BC111744 | Schoenoplectus pungens var. badius | John Thomas Howell | 1956-8-12 | 31765 | San Francisco | Swamp, Alemany Blvd near Bayshore Freeway | Comment | |||
| CAS-BOT-BC112527 | Isolepis cernua | John Thomas Howell | 1956-8-12 | 31767 | San Francisco | Swamp, Alemany Blvd near Bayshore Freeway. | Comment | |||
| CAS-BOT-BC112530 | Isolepis cernua | John Thomas Howell | 1956-8-26 | 31793 | San Francisco | Damp strand of Pine Lake. | Comment | |||
| CAS-BOT-BC112935 | Eleocharis macrostachya | John Thomas Howell | 1956-10-28 | 31946 | San Francisco | Among willows, Mountain Lake. | Comment | |||
| CAS-BOT-BC112936 | Eleocharis macrostachya | John Thomas Howell | 1957-8-6 | 32876 | San Francisco | Pond in Strybing Aboretum, Golden Gate Park | Comment | |||
| CAS-BOT-BC114532 | Cyperus eragrostis | John Thomas Howell | 1954-6-21 | 30004 | San Francisco | in garden of Dr. E P Meinecke, 3157 Jackson st. | Comment | |||
| CAS-BOT-BC114534 | Cyperus eragrostis | John Thomas Howell | 1956-8-12 | 31764 | San Francisco | Swamp, Alemany Blvd. near Bayshore Freeway. | Comment | |||
| CAS-BOT-BC119319 | Carex obnupta | John Thomas Howell | 1926-11-7 | 2234 | San Francisco | Swale near Lake Merced. | Comment | |||
| CAS-BOT-BC12548 | Lepidium nitidum | John Thomas Howell | 1956-5-6 | 31358 | San Francisco | San Francisco. Sierra and Missouir Streets. | Comment | |||
| CAS-BOT-BC12784 | Lepidium perfoliatum | John Thomas Howell | 1957-6-16 | 32644 | San Francisco | San Francisco. Third and Davidson streets. | Comment | |||
| CAS-BOT-BC12837 | Lepidium pinnatifidum | John Thomas Howell | 1957-6-16 | 32671 | San Francisco | San Francisco. Third and Davidson Streets. | Comment | |||
| CAS-BOT-BC12838 | Lepidium pinnatifidum | John Thomas Howell | 1956-7-1 | 31634 | San Francisco | San Francisco. Embarcadero near Lombard Street. | Comment | |||
| CAS-BOT-BC12839 | Lepidium pinnatifidum | John Thomas Howell | 1956-6-3 | 31465 | San Francisco | San Francisco. Embarcadero and Townsend Street. | Comment | |||
| CAS-BOT-BC12840 | Lepidium pinnatifidum | John Thomas Howell | 1956-4-29 | 31304 | San Francisco | San Francisco. Embarcadero at Folsom Street. | Comment | |||
| CAS-BOT-BC12932 | Lepidium strictum | John Thomas Howell | 1957-5-5 | 32171 | San Francisco | San Francisco. Indiana and 22nd Streets. | Comment | |||
| CAS-BOT-BC12933 | Lepidium strictum | John Thomas Howell | 1956-4-22 | 31279 | San Francisco | San Francisco. Embarcadero at Vallejo Street. | Comment | |||
| CAS-BOT-BC13027 | Lepidium virginicum | John Thomas Howell | 1957-6-16 | 32672 | San Francisco | San Francisco. Third and Davidson Streets. | Comment | |||
| CAS-BOT-BC13150 | Agoseris hirsuta | John Thomas Howell | 1956-5-6 | 31337 | San Francisco | Sierra & 2nd Streets | Comment | |||
| CAS-BOT-BC13679 | Ambrosia artemisiifolia | John Thomas Howell | 1956-7-15 | 31680 | San Francisco | Waterfront Street near Mission Rock Terminal | Comment | |||
| CAS-BOT-BC138259 | Aira caryophyllea var. caryophyllea | John Thomas Howell | 1956-5-12 | 31383 | San Francisco | San Francisco. Marin Street near Third Street. | Comment | |||
| CAS-BOT-BC145753 | Avena sativa | John Thomas Howell | 1956-5-6 | 31327 | San Francisco | San Francisco. Third Street near the bridge. | Comment | |||
| CAS-BOT-BC148730 | Bromus carinatus var. marginatus | John Thomas Howell | 1956-5-6 | 31343 | San Francisco | San Francisco. Sierra adn 22nd Streets. | Comment | |||
| CAS-BOT-BC148973 | Bromus carinatus var. carinatus | John Thomas Howell | 1963-5-12 | 39264 | San Francisco | San Francisco. Steiner Street near Vallejo Street. | Comment | |||
| CAS-BOT-BC155763 | Bromus diandrus | John Thomas Howell | 1957-5-9 | s.n. | San Francisco | San Francisco. Presidio. Lincoln Boulevard. | Comment | |||
| CAS-BOT-BC155766 | Bromus diandrus | John Thomas Howell | 1975-12-8 | 51512 | San Francisco | San Francisco. Saint Marks Lutheran Church Cathedral Hill. | Comment | |||
| CAS-BOT-BC155862 | Bromus catharticus var. elatus | John Thomas Howell | 1956-5-12 | 31380 | San Francisco | San Francisco. Marin Street near Third Street. | Comment | |||
| CAS-BOT-BC155863 | Bromus catharticus var. elatus | John Thomas Howell | 1952-6-2 | 28319 | San Francisco | San Francisco. California Street near Presidio Avenue. | Comment | |||
| CAS-BOT-BC155869 | Bromus catharticus var. elatus | John Thomas Howell | 1953-6-2 | 29056 | San Francisco | San Francisco. Jackson Street. San Francisco. | Comment | |||
| CAS-BOT-BC155870 | Bromus catharticus var. elatus | John Thomas Howell | 1957-5-5 | 32170 | San Francisco | San Francisco. 22nd and Indiana Streets. | Comment | |||
| CAS-BOT-BC156187 | Bromus catharticus | John Thomas Howell | 1957-9-22 | 32975 | San Francisco | San Francisco. Alta Plaza. | Comment | |||
| CAS-BOT-BC156201 | Bromus catharticus | John Thomas Howell | 1957-6-16 | 32658 | San Francisco | San Francisco. Third and Davidson Streets. | Comment | |||
| CAS-BOT-BC158708 | Rubus ulmifolius | John Thomas Howell | 1956-5-6 | 31328 | San Francisco | Third St. near the bridge, San Francisco | Comment | |||
| CAS-BOT-BC162240 | Bromus maritimus | John Thomas Howell | 1946-5-2 | 21698 | San Francisco | San Francisco. Sunset Heights. | Comment | |||
| CAS-BOT-BC176112 | Soleirolia soleirolii | John Thomas Howell | 1957-10-5 | 32988 | San Francisco | Legion of Honor, Lincoln Park | Comment | |||
| CAS-BOT-BC176596 | Atriplex serenana var. serenana | John Thomas Howell | 1957-7-28 | 32849 | San Francisco | Third & Davidson streets, San Francisco | Comment | |||
| CAS-BOT-BC177073 | Acacia melanoxylon | J. T. Howell; Elizabeth McClintock; Anita Noldeke | 1966-10-5 | s.n. | San Francisco | Garden on 11th Ave. between Balboa & Cabrillo streets, San Francisco | Comment | |||
| CAS-BOT-BC180683 | Salsola tragus | John Thomas Howell | 1957-8-19 | 32910 | San Francisco | Near Quarry Lake, Golden Gate Park, San Francisco | Comment | |||
| CAS-BOT-BC180684 | Salsola tragus | John Thomas Howell | 1956-8-19 | 31773 | San Francisco | Waterfront St. near Mission Rock Terminal, San Francisco | Comment | |||
| CAS-BOT-BC180685 | Salsola tragus | John Thomas Howell | 1956-7-29 | 31742 | San Francisco | Filled land south of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC180686 | Salsola tragus | John Thomas Howell | 1956-7-29 | 31742 | San Francisco | Filled land south of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC180688 | Salsola tragus | John Thomas Howell | 1956-7-15 | 31687 | San Francisco | Waterfront Street near Mission Rock Terminal, San Francisco | Comment | |||
| CAS-BOT-BC180689 | Salsola tragus | John Thomas Howell | 1956-7-15 | 31687 | San Francisco | Waterfront Street near Mission Rock Terminal, San Francisco | Comment | |||
| CAS-BOT-BC180807 | Kochia scoparia | John Thomas Howell | 1956-7-15 | 31686 | San Francisco | Waterfront St. near Mission Rock Terminal, San Francisco | Comment | |||
| CAS-BOT-BC180808 | Kochia scoparia | John Thomas Howell | 1956-8-19 | 31774 | San Francisco | Waterfront St. near Mission Rock Terminal, San Francisco | Comment | |||
| CAS-BOT-BC180809 | Kochia scoparia | John Thomas Howell | 1956-8-19 | 31774 | San Francisco | Waterfront St. near Mission Rock Terminal, San Francisco | Comment | |||
| CAS-BOT-BC180810 | Kochia scoparia | John Thomas Howell | 1956-9-30 | 31898 | San Francisco | Waterfront St. near Mission Rock Terminal, San Francisco | Comment | |||
| CAS-BOT-BC180811 | Kochia scoparia | John Thomas Howell | 1956-9-30 | 31898 | San Francisco | Waterfront St. near Mission Rock Terminal, San Francisco | Comment | |||
| CAS-BOT-BC185632 | Bromus tectorum | John Thomas Howell | 1957-6-16 | 32648 | San Francisco | Third and Davidson Streets. | Comment | |||
| CAS-BOT-BC185737 | Vulpia myuros subsp. megalura | John Thomas Howell | 1957-5-5 | 32164 | San Francisco | East end of 22nd St. | Comment | |||
| CAS-BOT-BC190276 | Cynodon dactylon | John Thomas Howell | 1956-11-4 | s.n. | San Francisco | San Francisco. Waterfront. | Comment | |||
| CAS-BOT-BC190277 | Cynodon dactylon | John Thomas Howell | 1956-5-19 | 31394 | San Francisco | San Francisco. Third Street, just north of bridge. | Comment | |||
| CAS-BOT-BC190280 | Cynodon dactylon | John Thomas Howell | 1956-11-4 | s.n. | San Francisco | San Francisco. Waterfront. | Comment | |||
| CAS-BOT-BC197184 | Echinochloa crus-galli | John Thomas Howell | 1957-6-16 | 32645 | San Francisco | San Francisco. Third & Davidson streets | Comment | |||
| CAS-BOT-BC197185 | Echinochloa crus-galli | John Thomas Howell | 1956-12-22 | 32018 | San Francisco | San Francisco. Van Ness Ave. near Filbert St. | Comment | |||
| CAS-BOT-BC197219 | Echinochloa crus-pavonis | John Thomas Howell | 1957-7-28 | 32852 | San Francisco | San Francisco. Third & Davidson streets | Comment | |||
| CAS-BOT-BC197283 | Echinochloa muricata var. microstachya | John Thomas Howell | 1957-8-4 | 32856 | San Francisco | San Francisco. East end of Golden Gate Park | Comment | |||
| CAS-BOT-BC197316 | Ehrharta erecta | John Thomas Howell | 1987-2-3 | s.n. | San Francisco | Near Cervantes statue, Golden Gate Park, San Francisco | Comment | |||
| CAS-BOT-BC197317 | Ehrharta erecta | John Thomas Howell | 1981-9-10 | s.n. | San Francisco | Melrose Ave. (near Ted Kipping's home), San Francisco | Comment | |||
| CAS-BOT-BC198558 | Lotus | John Thomas Howell | 1926-4-24 | 1960 | San Francisco | San Francisco sand-dunes near Lake Merced | Comment | |||
| CAS-BOT-BC206673 | Malva assurgentiflora | John Thomas Howell | 1956-9-2 | 31831 | San Francisco | Northeast end of Lake Merced, San Francisco | Comment | |||
| CAS-BOT-BC208633 | Distichlis spicata | John Thomas Howell | 1972-10-4 | s.n. | San Francisco | Playland-at-the-Beach, San Francisco | Comment | |||
| CAS-BOT-BC208982 | Digitaria ischaemum | John Thomas Howell | 1961-11-5 | 37075 | San Francisco | Union St. neaer Van Ness Ave., San Francisco | Comment | |||
| CAS-BOT-BC209086 | Digitaria sanguinalis | John Thomas Howell | 1980-5-3 | 53452 | San Francisco | Clay St. at Van Ness Ave., San Francisco | Comment | |||
| CAS-BOT-BC209087 | Digitaria sanguinalis | John Thomas Howell | 1969-6-15 | s.n. | San Francisco | Mission St. near South Van Ness Ave., San Francisco | Comment | |||
| CAS-BOT-BC209129 | Deschampsia danthonioides | John Thomas Howell | 1956-5-6 | 31362 | San Francisco | Sierra & Missouri Sts., San Francisco | Comment | |||
| CAS-BOT-BC213327 | Lathyrus jepsonii subsp. californicus | John Thomas Howell | 1956-6-3 | 31461 | San Francisco | Emarcadero and Front Street, San Francisco | Comment | |||
| CAS-BOT-BC213825 | Elymus repens | John Thomas Howell | 1960-5-6 | 35285 | San Francisco | Richardson Ave. at entrance to Golden Gate Bridge freeway - San Francisco | Comment | |||
| CAS-BOT-BC213977 | Amsinckia | John Thomas Howell | 1933-5-3 | 2 | San Francisco | Visitacion Valley, San Francisco | Comment | |||
| CAS-BOT-BC215079 | Lupinus chamissonis | John Thomas Howell | 1926-4-24 | 1930 | San Francisco | W of Daly City near head of Lake Merced | Comment | |||
| CAS-BOT-BC225330 | Gilia capitata subsp. chamissonis | John Thomas Howell | 1933-5-23 | 11332 | San Francisco | Sandy slopes west of Sutro Forest, San Francisco | Comment | |||
| CAS-BOT-BC230240 | Carpobrotus edulis | John Thomas Howell | 1957-5-28 | 32475 | San Francisco | W side of Lone Mountain | Comment | |||
| CAS-BOT-BC233137 | Polypogon interruptus | John Thomas Howell | 1956-8-12 | 31768 | San Francisco | Swamp, Alemany Blvd near Bayshore Freeway | Comment | |||
| CAS-BOT-BC237305 | Polypogon monspeliensis | John Thomas Howell | 1957-6-11 | 32599 | San Francisco | San Francisco. E side of Lone Mountain | Comment | |||
| CAS-BOT-BC237558 | Polypogon viridis | John Thomas Howell | 1957-6-11 | 32596 | San Francisco | San Francisco. E side of Lone Mountain | Comment | |||
| CAS-BOT-BC237560 | Polypogon viridis | John Thomas Howell | 1957-6-17 | s.n. | San Francisco | San Francisco. Lone Mountain | Comment | |||
| CAS-BOT-BC240065 | Secale cereale | John Thomas Howell | 1956-5-19 | 31395 | San Francisco | Third St. just south of the bridge, San Francisco | Comment | |||
| CAS-BOT-BC243554 | Setaria parviflora | John Thomas Howell | 1957-8-18 | 32898 | San Francisco | On edge of lawn near Stadium, Golden Gate Park, San Francisco | Comment | |||
| CAS-BOT-BC243637 | Setaria pumila | John Thomas Howell | 1957-10-5 | 32989 | San Francisco | Sheep meadow Golden Gate Park, San Francisco | Comment | |||
| CAS-BOT-BC244184 | Poa trivialis | J. T. Howell | 1958-6-2 | s.n. | San Francisco | Park Lodge, Golden Gate Park | Comment | |||
| CAS-BOT-BC244186 | Poa trivialis | J. T. Howell | 1948-5-7 | 24296 | San Francisco | Sidewalk, Jackson Street, San Francisco | Comment | |||
| CAS-BOT-BC244235 | Poa unilateralis | John Thomas Howell | 1956-5-6 | 31350 | San Francisco | Sierra and Missouri Streets, San Francisco | Comment | |||
| CAS-BOT-BC246002 | Sambucus nigra subsp. caerulea | John Thomas Howell | 1956-8-12 | 31770 | San Francisco | Edge of swamp, Alemany Blvd. near Bayshore Freeway, San Francisco | Comment | |||
| CAS-BOT-BC247413 | Poa pratensis | John Thomas Howell | 1933-5-7 | 11214 | San Francisco | Odd Fellows Cemetery, San Francisco | Comment | |||
| CAS-BOT-BC247415 | Poa pratensis | John Thomas Howell | 1933-5-7 | 11214 | San Francisco | Odd Fellows Cemetery, San Francisco | Comment | |||
| CAS-BOT-BC253877 | Panicum miliaceum | John Thomas Howell | 1956-8-31 | 31824 | San Francisco | Sidewalk, Fell and Parker Streets, San Francisco | Comment | |||
| CAS-BOT-BC253878 | Panicum miliaceum | John Thomas Howell | 1956-7-15 | 31694 | San Francisco | Waterfront Street near Mission Rock Terminal, San Francisco | Comment | |||
| CAS-BOT-BC254431 | Piptatherum miliaceum | John Thomas Howell | 1956-10-21 | 31914 | San Francisco | Just N of Bayview Hills | Comment | |||
| CAS-BOT-BC254432 | Piptatherum miliaceum | John Thomas Howell | 1943-8-16 | 19309 | San Francisco | SE corner Filbert and Van Ness Avenue, San Francisco, in vacant lot | Comment | |||
| CAS-BOT-BC259681 | Paspalum dilatatum | John Thomas Howell | 1956-10-21 | s.n. | San Francisco | Near library, Civic Center, San Francisco | Comment | |||
| CAS-BOT-BC260193 | Nassella pulchra | John Thomas Howell | 1977-5-24 | 52363 | San Francisco | Fillmore and McAllister streets, San Francisco | Comment | |||
| CAS-BOT-BC260866 | Phleum pratense | John Thomas Howell | 1954-7-3 | s.n. | San Francisco | In front of Library, Civic Center, San Francisco | Comment | |||
| CAS-BOT-BC265794 | Phalaris aquatica | John Thomas Howell | 1956-5-6 | 31323 | San Francisco | Third Street near the bridge, San Francisco | Comment | |||
| CAS-BOT-BC265797 | Phalaris aquatica | John Thomas Howell | 1959-8-31 | 34603 | San Francisco | Lombard and Divisidero Streets, San Francisco | Comment | |||
| CAS-BOT-BC265872 | Phalaris canariensis | John Thomas Howell | 1957-6-14 | 32624 | San Francisco | Leavenworth and McAllister Streets, San Francisco | Comment | |||
| CAS-BOT-BC265874 | Phalaris canariensis | John Thomas Howell | 1957-7-14 | 32806 | San Francisco | Van Ness Ave and Broadway, San Francisco | Comment | |||
| CAS-BOT-BC267162 | Potamogeton foliosus | John Thomas Howell | 1957-8-15 | 32894 A | San Francisco | Ponds in Strybing Arboretum [San Francisco Botanical Garden], Golden Gate Park, San Francisco | Comment | |||
| CAS-BOT-BC269117 | Lolium perenne | John Thomas Howell | 1956-6-10 | 31529 | San Francisco | North slope of Bay View Hills, San Francisco | Comment | |||
| CAS-BOT-BC269442 | Melica californica | John Thomas Howell | 1956-5-6 | 31361 | San Francisco | Sierra & Missouri Sts., San Francisco | Comment | |||
| CAS-BOT-BC271391 | Hordeum vulgare | John Thomas Howell | 1956-5-6 | s.n. | San Francisco | Third Street near the bridge, San Francisco | Comment | |||
| CAS-BOT-BC272232 | Leymus pacificus | John Thomas Howell | 1950-7-4 | s.n. | San Francisco | Above Marine Hospital, Presidio, San Francisco | Comment | |||
| CAS-BOT-BC272284 | Leymus X multiflorus | John Thomas Howell | 1956-7-22 | 31714 | San Francisco | North base of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC272316 | Lachnagrostis filiformis | John Thomas Howell | 1957-6-16 | 32643 | San Francisco | Third and Davidson Streets, San Francisco | Comment | |||
| CAS-BOT-BC273705 | Koeleria pyramidata | John Thomas Howell | 1957-6-11 | 32584 | San Francisco | San Francisco. North slope of Lone Mt. | Comment | |||
| CAS-BOT-BC273706 | Koeleria pyramidata | John Thomas Howell | 1956-6-10 | 31513 | San Francisco | North slope of Bay View Hills, San Francisco | Comment | |||
| CAS-BOT-BC273707 | Koeleria pyramidata | John Thomas Howell | 1933-5-23 | 11326 | San Francisco | West of Sutro Forest, San Francisco | Comment | |||
| CAS-BOT-BC273708 | Koeleria pyramidata | John Thomas Howell | 1957-6-11 | 32583 | San Francisco | San Francisco. North slope of Lone Mt. | Comment | |||
| CAS-BOT-BC273941 | Leptochloa fusca subsp. fascicularis | John Thomas Howell | 1933-9-25 | 11697 | San Francisco | Near Golden Gate Ave. & Van Ness Ave., San Francisco | Comment | |||
| CAS-BOT-BC274579 | Centaurea calcitrapa | John Thomas Howell | 1956-7-22 | 31725 | San Francisco | San Francisco. Bayshore Blvd. & Donner St. | Comment | |||
| CAS-BOT-BC277009 | Centaurea diluta | John Thomas Howell | 1956-8-19 | 31782 | San Francisco | San Francisco. Third St. near Paul Ave. | Comment | |||
| CAS-BOT-BC277069 | Centaurea melitensis | John Thomas Howell | 1956-4-22 | 31267 | San Francisco | Embarcadero at Powell Street, San Francisco | Comment | |||
| CAS-BOT-BC278220 | Schedonorus arundinaceus | John Thomas Howell | 1956-5-6 | 31325 | San Francisco | San Francisco. Third St. near the bridge | Comment | |||
| CAS-BOT-BC279278 | Centromadia pungens subsp. pungens | John Thomas Howell | 1956-10-21 | 31922 | San Francisco | San Francisco. Between Marin St. and Islais Creek | Comment | |||
| CAS-BOT-BC279279 | Centromadia pungens subsp. pungens | John Thomas Howell | 1957-9-22 | 32973 | San Francisco | San Francisco. Between Marin St. east of Third St. | Comment | |||
| CAS-BOT-BC279280 | Centromadia pungens subsp. pungens | John Thomas Howell | 1957-6-16 | 32653 | San Francisco | San Francisco. Third & Davidson streets | Comment | |||
| CAS-BOT-BC279281 | Centromadia pungens subsp. pungens | John Thomas Howell | 1957-6-16 | 32654 | San Francisco | San Francisco. Third & Davidson streets | Comment | |||
| CAS-BOT-BC279823 | Cichorium endivia | John Thomas Howell | 1957-8-19 | 32911 | San Francisco | San Francisco. Near Quarry Lake, Golden Gate Park | Comment | |||
| CAS-BOT-BC279824 | Cichorium endivia | John Thomas Howell | 1956-9-30 | 31891 | San Francisco | San Francisco. Vallejo & Front Streets | Comment | |||
| CAS-BOT-BC280490 | Cirsium quercetorum | John Thomas Howell | 1934-6-7 | 11830 | San Francisco | Twin Peaks, San Francisco | Comment | |||
| CAS-BOT-BC280491 | Cirsium quercetorum | John Thomas Howell | 1933-7-9 | 11439 | San Francisco | Hills south of Visitacion Valley, San Francisco | Comment | |||
| CAS-BOT-BC281747 | Carduus pycnocephalus | John Thomas Howell | 1956-4-22 | 31274 | San Francisco | At base of N cliffs of Telegraph Hills | Comment | |||
| CAS-BOT-BC281749 | Carduus pycnocephalus | John Thomas Howell | 1956-5-19 | 31407 | San Francisco | Near Third and Army Streets, San Francisco | Comment | |||
| CAS-BOT-BC281750 | Carduus pycnocephalus | John Thomas Howell | 1956-6-24 | 31621 | San Francisco | S side of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC281753 | Carduus pycnocephalus | J. T. Howell | 1936-5-1 | s.n. | San Francisco | On the Marina, San Francisco | Comment | |||
| CAS-BOT-BC281813 | Carduus tenuiflorus | John Thomas Howell | 1939-5-4 | 14636 | San Francisco | 25th Ave entrance, Golden Gate Park, San Francisco | Comment | |||
| CAS-BOT-BC281830 | Carduus tenuiflorus | John Thomas Howell | 1956-5-19 | 31406 | San Francisco | Near Third and Army Streets, San Francisco | Comment | |||
| CAS-BOT-BC283216 | Lolium multiflorum | John Thomas Howell | 1956-5-6 | 31322 | San Francisco | Waste ground, Third St near the bridge, San Francisco | Comment | |||
| CAS-BOT-BC283218 | Lolium multiflorum | John Thomas Howell | 1957-5-22 | 32388 | San Francisco | Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC283637 | Schedonorus pratensis | John Thomas Howell | 1957-7-15 | 32807 | San Francisco | In flower bed near lodge, Golden Gate Park | Comment | |||
| CAS-BOT-BC283638 | Schedonorus pratensis | John Thomas Howell | 1956-5-12 | 31387 | San Francisco | Vacant ground, Third and Gilman Sts, San Francisco | Comment | |||
| CAS-BOT-BC283639 | Schedonorus pratensis | John Thomas Howell | 1956-5-11 | 31365 | San Francisco | Vacant lot, Fell St near Baker St, San Francisco | Comment | |||
| CAS-BOT-BC28412 | Carex gracilior | John Thomas Howell | 1957-6-17 | 32684 | San Francisco | Seepage on serpentine, Presidio. | Comment | |||
| CAS-BOT-BC284394 | Cirsium arvense | John Thomas Howell | 1956-9-29 | 31890 | San Francisco | Near the Conservatory, Golden Gate Park, San Francisco | Comment | |||
| CAS-BOT-BC284483 | Centaurea solstitialis | John Thomas Howell | 1956-5-6 | 31331 | San Francisco | 3rd and 16th Streets, San Francisco | Comment | |||
| CAS-BOT-BC284699 | Hordeum jubatum | John Thomas Howell | 1957-7-28 | 32847 | San Francisco | San Francisco. Third & Davidson streets | Comment | |||
| CAS-BOT-BC285224 | Cichorium intybus | John Thomas Howell | 1956-6-24 | 31610 | San Francisco | North side of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC285225 | Cichorium intybus | John Thomas Howell | 1956-11-4 | 31951 | San Francisco | San Francisco. East end of Army St. | Comment | |||
| CAS-BOT-BC285226 | Cichorium intybus | John Thomas Howell | 1956-5-6 | 31332 | San Francisco | 3rd & 16th streets, San Francisco | Comment | |||
| CAS-BOT-BC285658 | Cirsium occidentale var. occidentale | John Thomas Howell | 1932-11-18 | 10863 | San Francisco | Between Fort Point & Lobos Creek, Presidio, San Francisco | Comment | |||
| CAS-BOT-BC285839 | Cirsium vulgare | John Thomas Howell | 1956-8-19 | 31781 | San Francisco | San Francisco. Third St. near Paul Ave. | Comment | |||
| CAS-BOT-BC285840 | Cirsium vulgare | John Thomas Howell | 1956-7-22 | 31709 | San Francisco | San Francisco. North base of Bayview Hills | Comment | |||
| CAS-BOT-BC285973 | Conyza bonariensis | John Thomas Howell | 1956-7-1 | 31639 | San Francisco | Front and Vallejo streets, San Francisco | Comment | |||
| CAS-BOT-BC285974 | Conyza bonariensis | John Thomas Howell | 1956-4-22 | 31281 | San Francisco | Embarcadero at Vallejo St., San Francisco | Comment | |||
| CAS-BOT-BC285980 | Conyza bonariensis | John Thomas Howell | 1957-6-30 | s.n. | San Francisco | San Francisco. Potrero Ave. and Army St. near Islais Creek | Comment | |||
| CAS-BOT-BC286188 | Conyza canadensis | John Thomas Howell | 1956-10-28 | s.n. | San Francisco | San Francisco. Mountain Lake, Presidio | Comment | |||
| CAS-BOT-BC286191 | Conyza canadensis | John Thomas Howell | 1957-7-28 | s.n. | San Francisco | San Francisco. North slope, Bayview Hills | Comment | |||
| CAS-BOT-BC286192 | Conyza canadensis | John Thomas Howell | 1956-8-19 | 31777 | San Francisco | San Francisco. Waterfront St. near Mission Rock Terminal | Comment | |||
| CAS-BOT-BC286193 | Conyza canadensis | John Thomas Howell | 1957-5-28 | s.n. | San Francisco | San Francisco. Lone Mountain | Comment | |||
| CAS-BOT-BC286946 | Ericameria ericoides | John Thomas Howell | 1957-5-28 | 32505 | San Francisco | San Francisco. West side of Lone Mt. | Comment | |||
| CAS-BOT-BC287279 | Cotula australis | John Thomas Howell | 1957-5-29 | 32534 | San Francisco | N side of Lone Mt, San Francisco | Comment | |||
| CAS-BOT-BC287280 | Cotula australis | John Thomas Howell | 1958-5-17 | 33029 | San Francisco | E of Band Concourse, Golden Gate Park, San Francisco | Comment | |||
| CAS-BOT-BC287282 | Cotula australis | John Thomas Howell | 1977-2-19 | 52313 | San Francisco | Hyde St between Union and FIlbert Sts, San Francisco | Comment | |||
| CAS-BOT-BC288974 | Conyza floribunda | J. T. Howell | 1990-4-17 | s.n. | San Francisco | Next to gas station, Geary and 24th Ave, San Francisco | Comment | |||
| CAS-BOT-BC288975 | Conyza floribunda | J. T. Howell | 1989-11-14 | s.n. | San Francisco | Next to gas station, Geary and 24th Ave, San Francisco | Comment | |||
| CAS-BOT-BC288976 | Conyza floribunda | J. T. Howell | 1976-11-25 | 52312 | San Francisco | Shotwell St between 25 and 26 Sts, San Francisco | Comment | |||
| CAS-BOT-BC288977 | Conyza floribunda | J. T. Howell | 1976-11-25 | 52312 | San Francisco | Shotwell St between 25 and 26 Sts, San Francisco | Comment | |||
| CAS-BOT-BC288978 | Conyza floribunda | J. T. Howell | 1975-9-10 | 51506 | San Francisco | Marin St between Market and Mission Sts, San Francisco | Comment | |||
| CAS-BOT-BC288979 | Conyza floribunda | J. T. Howell | 1956-9-30 | 31897 | San Francisco | Waterfront St near Mission Rock Terminal | Comment | |||
| CAS-BOT-BC288980 | Conyza floribunda | J. T. Howell | 1956-9-30 | 31897 | San Francisco | Waterfront St near Mission Rock Terminal | Comment | |||
| CAS-BOT-BC288981 | Conyza floribunda | J. T. Howell | 1956-9-30 | 31897 | San Francisco | Waterfront St near Mission Rock Terminal | Comment | |||
| CAS-BOT-BC288982 | Conyza floribunda | J. T. Howell | 1956-10-21 | 31923 | San Francisco | Along Islais Creek E of Third St, San Francisco | Comment | |||
| CAS-BOT-BC288983 | Conyza floribunda | J. T. Howell | 1956-8-19 | 31780 | San Francisco | Waterfron St near Mission Rock Terminal, San Francisco | Comment | |||
| CAS-BOT-BC288984 | Conyza floribunda | J. T. Howell | 1957-7-28 | s.n. | San Francisco | N slope of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC288985 | Conyza floribunda | J. T. Howell | 1957-5-6 | 32187 | San Francisco | Near mouth of Islais Creek, San Francisco | Comment | |||
| CAS-BOT-BC288986 | Conyza floribunda | John Thomas Howell | 1957-5-5 | 32160 | San Francisco | 6th and Harrison Sts, San Francisco | Comment | |||
| CAS-BOT-BC288987 | Conyza floribunda | John Thomas Howell | 1956-11-4 | s.n. | San Francisco | E end of Marin St, San Francisco | Comment | |||
| CAS-BOT-BC289242 | Holcus lanatus | John Thomas Howell | 1957-5-26 | 32458 | San Francisco | North base of Lone Mt., San Francisco | Comment | |||
| CAS-BOT-BC289243 | Holcus lanatus | John Thomas Howell | 1958-7-10 | 33643 | San Francisco | Presidio, San Francisco | Comment | |||
| CAS-BOT-BC289382 | Hordeum murinum subsp. glaucum | John Thomas Howell | 1957-6-16 | 32657 | San Francisco | Third and Davidson Streets, San Francisco | Comment | |||
| CAS-BOT-BC289386 | Hordeum murinum subsp. glaucum | John Thomas Howell | 1956-8-4 | 31744 | San Francisco | S. Van Ness Ave. at Market St., San Francisco | Comment | |||
| CAS-BOT-BC291206 | Erechtites glomeratus | John Thomas Howell | 1957-5-6 | 32225 | San Francisco | San Francisco. Hunters Point | Comment | |||
| CAS-BOT-BC291207 | Erechtites glomeratus | John Thomas Howell | 1956-7-1 | s.n. | San Francisco | San Francisco. Hunters Point | Comment | |||
| CAS-BOT-BC291233 | Erechtites minimus | John Thomas Howell | 1956-8-26 | 31809 | San Francisco | San Francisco. Near Pine Lake | Comment | |||
| CAS-BOT-BC291236 | Erechtites minimus | John Thomas Howell | 1956-7-1 | s.n. | San Francisco | San Francisco. Hunters Point | Comment | |||
| CAS-BOT-BC29362 | Ageratina adenophora | J. T. Howell | 1956-4-22 | 31251 | San Francisco | Vacant lot, Polk St. near Filbert St., San Francisco | Comment | |||
| CAS-BOT-BC29365 | Ageratina adenophora | J. T. Howell | 1956-4-22 | 31277 | San Francisco | At base of north cliffs of Telegraph Hill, San Francisco. | Comment | |||
| CAS-BOT-BC295443 | Erigeron karvinskianus | John Thomas Howell | 1957-5-26 | 32454 | San Francisco | San Francisco. North base of Lone Mt. | Comment | |||
| CAS-BOT-BC29993 | Brassica juncea | John Thomas Howell | 1956-6-3 | 31464 | San Francisco | San Francisco. Embarcadero and Townsend Street. | Comment | |||
| CAS-BOT-BC29994 | Brassica juncea | John Thomas Howell | 1956-7-1 | 31650 | San Francisco | San Francisco. Embarcadero and Vallejo Street. | Comment | |||
| CAS-BOT-BC29995 | Brassica juncea | John Thomas Howell | 1956-7-15 | 31679 | San Francisco | San Francisco. Waterfront Street near Mission Rock Terminal. | Comment | |||
| CAS-BOT-BC30324 | Brassica nigra | John Thomas Howell | 1956-5-6 | 31330 | San Francisco | San Francisco. Third Street near the bridge. | Comment | |||
| CAS-BOT-BC30325 | Brassica nigra | John Thomas Howell | 1957-6-16 | 32627 | San Francisco | San Francisco. Embarcadero at Vallejo Street. | Comment | |||
| CAS-BOT-BC303438 | Gamochaeta ustulata | John Thomas Howell | 1957-5-5 | 32183 | San Francisco | Sierra and 22nd Sts, San Francisco | Comment | |||
| CAS-BOT-BC303439 | Gamochaeta ustulata | John Thomas Howell | 1956-6-10 | 31559 | San Francisco | N slope of Bay View Hills, San Francisco | Comment | |||
| CAS-BOT-BC303440 | Gamochaeta ustulata | John Thomas Howell | 1957-5-26 | 32453 | San Francisco | N base of Lone Mt, San Francisco | Comment | |||
| CAS-BOT-BC303667 | Glebionis coronaria | John Thomas Howell | 1956-8-26 | 31811 | San Francisco | Near Pine Lake, San Francisco | Comment | |||
| CAS-BOT-BC303668 | Glebionis coronaria | John Thomas Howell | 1956-7-29 | 31734 | San Francisco | Along drive, McLaren Park, San Francisco | Comment | |||
| CAS-BOT-BC303669 | Glebionis coronaria | John Thomas Howell | 1957-6-16 | 32669 | San Francisco | Third and Davidson Sts | Comment | |||
| CAS-BOT-BC303670 | Glebionis coronaria | John Thomas Howell | 1956-6-3 | 31467 | San Francisco | At E end of Shafter Ave, San Francisco | Comment | |||
| CAS-BOT-BC304677 | Grindelia ciliata | John Thomas Howell | 1956-9-30 | 31901 | San Francisco | San Francisco. Waterfront St. near Mariposa St. | Comment | |||
| CAS-BOT-BC305037 | Grindelia hirsutula | John Thomas Howell | 1933-7-9 | 11436 | San Francisco | Hills south of Visitacion Valley, San Francisco | Comment | |||
| CAS-BOT-BC305046 | Grindelia hirsutula | John Thomas Howell | 1933-8-11 | 11489 | San Francisco | Presidio near Fort Point, San Francisco | Comment | |||
| CAS-BOT-BC305362 | Helianthus annuus | John Thomas Howell | 1957-9-22 | 32969 | San Francisco | San Francisco. North base of Telegraph Hill | Comment | |||
| CAS-BOT-BC305363 | Helianthus annuus | John Thomas Howell | 1957-6-16 | 32642 | San Francisco | San Francisco. Third & Davidsons streets | Comment | |||
| CAS-BOT-BC305902 | Helminthotheca echioides | John Thomas Howell | 1956-6-3 | 31471 | San Francisco | At east end of Shafter Ave., San Francisco | Comment | |||
| CAS-BOT-BC31034 | Bolboschoenus maritimus | John Thomas Howell | 1956-8-12 | 31766 | San Francisco | Swamp, Alemany Blvd, near Bayshore Freeway. | Comment | |||
| CAS-BOT-BC311302 | Heterotheca sessiliflora subsp. echioides | John Thomas Howell | 1933-7-9 | 11435 | San Francisco | Hills south of Visitacion Valley, San Francisco | Comment | |||
| CAS-BOT-BC311372 | Hypochaeris glabra | John Thomas Howell | 1957-5-26 | 32445 | San Francisco | San Francisco. North base of Lone Mt. | Comment | |||
| CAS-BOT-BC311373 | Hypochaeris glabra | John Thomas Howell | 1957-5-5 | s.n. | San Francisco | San Francisco. East end of 22nd St. | Comment | |||
| CAS-BOT-BC311374 | Hypochaeris glabra | John Thomas Howell | 1957-5-26 | 32445 | San Francisco | North base of Lone Mountain, San Francisco | Comment | |||
| CAS-BOT-BC311375 | Hypochaeris glabra | John Thomas Howell | 1956-4-22 | 31285 | San Francisco | Embarcadero at Vallejo St., San Francisco | Comment | |||
| CAS-BOT-BC311377 | Hypochaeris glabra | John Thomas Howell | 1956-7-29 | 31732 | San Francisco | San Francisco. McLaren Park | Comment | |||
| CAS-BOT-BC311458 | Hypochaeris radicata | John Thomas Howell | 1982-8-19 | s.n. | San Francisco | 24th Ave., San Francisco | Comment | |||
| CAS-BOT-BC311459 | Hypochaeris radicata | John Thomas Howell | 1957-5-26 | 32441 | San Francisco | San Francisco. North base of Lone Mt. | Comment | |||
| CAS-BOT-BC311461 | Hypochaeris radicata | John Thomas Howell | 1956-6-24 | 31612 | San Francisco | North side of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC311462 | Hypochaeris radicata | John Thomas Howell | 1956-7-29 | 31733 | San Francisco | San Francisco. McLaren Park | Comment | |||
| CAS-BOT-BC312278 | Euthamia occidentalis | John Thomas Howell | 1956-9-9 | 31865 | San Francisco | Strand at se. end of Lake Merced, San Francisco | Comment | |||
| CAS-BOT-BC318933 | Heterotheca grandiflora | John Thomas Howell | 1956-7-29 | 31738 | San Francisco | Along Southern Pacific tracks at Bayshore station, San Francisco | Comment | |||
| CAS-BOT-BC318934 | Heterotheca grandiflora | John Thomas Howell | 1956-7-15 | 31697 | San Francisco | Waterfront St. near Mission Rock Terminal, San Francisco | Comment | |||
| CAS-BOT-BC324078 | Lessingia germanorum | John Thomas Howell | 1927-3-18 | 2288 | San Francisco | Fulton Street, east of St. Ignatius Church, San Francisco, a part of Lone Mt. slopes | 91 | Comment | ||
| CAS-BOT-BC328138 | Santolina chamaecyparissus | John Thomas Howell | 1956-6-24 | 31611 | San Francisco | North side of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC334567 | Lasthenia californica | John Thomas Howell | 1933-5-24 | 11340 | San Francisco | Point Lobos, San Fransicso | Comment | |||
| CAS-BOT-BC334568 | Lasthenia californica | John Thomas Howell | 1957-5-6 | 32223 | San Francisco | Hunter's Point, San Fransicso | Comment | |||
| CAS-BOT-BC334569 | Lasthenia californica | John Thomas Howell | 1956-5-6 | 31352 | San Francisco | Sierra and Missouri Streets, San Fransicso | Comment | |||
| CAS-BOT-BC334570 | Lasthenia californica | John Thomas Howell | 1956-5-6 | 31351 | San Francisco | Sierra and Missouri Streets, San Fransicso | Comment | |||
| CAS-BOT-BC334572 | Lasthenia californica | John Thomas Howell | 1937-5-23 | 13004 | San Francisco | Presidio, San Fransicso | Comment | |||
| CAS-BOT-BC334573 | Lasthenia californica | John Thomas Howell | 1925-4-18 | 989 | San Francisco | Point Lobos, San Fransicso | Comment | |||
| CAS-BOT-BC339157 | Leontodon saxatilis subsp. saxatilis | John Thomas Howell | 1956-7-25 | 31726 | San Francisco | San Francisco. 19th Ave., and Vincente [Vicente] St. | Comment | |||
| CAS-BOT-BC339158 | Leontodon saxatilis subsp. saxatilis | John Thomas Howell | 1957-7-18 | 32816 | San Francisco | San Francisco. Palace of Legion of Honor, Lincoln Park | Comment | |||
| CAS-BOT-BC339159 | Leontodon saxatilis subsp. saxatilis | John Thomas Howell | 1956-7-25 | 31726 | San Francisco | San Francisco. 19th Ave. & Vicente St. | Comment | |||
| CAS-BOT-BC340433 | Lactuca saligna | John Thomas Howell | 1956-11-4 | 31949 | San Francisco | San Francisco. East end of Army St. | Comment | |||
| CAS-BOT-BC340434 | Lactuca saligna | John Thomas Howell | 1957-6-17 | 32674 | San Francisco | San Francisco. Lone Mt. | Comment | |||
| CAS-BOT-BC340490 | Lactuca sativa | John Thomas Howell | 1950-10-3 | 27467 | San Francisco | On Bayshore Highway nw. of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC340491 | Lactuca sativa | John Thomas Howell | 1950-10-3 | 27467 | San Francisco | Bayshore Highway nw. of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC34061 | Carex brevicaulis | John Thomas Howell | 1956-6-10 | 31549 | San Francisco | North slope of Bay View Hill, San Francisco. | Comment | |||
| CAS-BOT-BC340621 | Lactuca serriola | John Thomas Howell | 1956-8-19 | 31779 | San Francisco | San Francisco. Waterfront St. near Mission Rock Terminal | Comment | |||
| CAS-BOT-BC340622 | Lactuca serriola | John Thomas Howell | 1956-8-19 | 31775 | San Francisco | San Francisco. Waterfront St. near Mission Rock Terminal | Comment | |||
| CAS-BOT-BC340623 | Lactuca serriola | John Thomas Howell | 1957-6-17 | 32673 | San Francisco | San Francisco. Lone Mt. | Comment | |||
| CAS-BOT-BC340624 | Lactuca serriola | John Thomas Howell | 1956-7-15 | 31684 | San Francisco | San Francisco. Waterfront St. near Mission Rock Terminal | Comment | |||
| CAS-BOT-BC340625 | Lactuca serriola | John Thomas Howell | 1956-7-1 | 31667 | San Francisco | Hunters Pt., San Francisco | Comment | |||
| CAS-BOT-BC342072 | Leucanthemum maximum | John Thomas Howell | 1956-9-2 | 31836 | San Francisco | San Francisco. Northeast end of Lake Merced | Comment | |||
| CAS-BOT-BC342451 | Logfia gallica | John Thomas Howell | 1957-5-28 | 32491 | San Francisco | San Francisco. West side of Lone Mt. | Comment | |||
| CAS-BOT-BC342452 | Logfia gallica | John Thomas Howell | 1956-5-12 | 31384 | San Francisco | Marin St. near Third St., San Francisco | Comment | |||
| CAS-BOT-BC342456 | Logfia gallica | John Thomas Howell | 1956-5-6 | 31363 | San Francisco | Sierra & Missouri Sts., San Francisco | Comment | |||
| CAS-BOT-BC343314 | Madia gracilis | John Thomas Howell | 1957-6-16 | 32665 | San Francisco | San Francisco. Third & Davidson streets | Comment | |||
| CAS-BOT-BC345073 | Madia sativa | John Thomas Howell | 1956-6-3 | 31470 | San Francisco | At east end of Shafter St., San Francisco | Comment | |||
| CAS-BOT-BC34685 | Solanum lycopersicum | J. T. Howell | 1956-9-30 | 31899 | San Francisco | Waterfront St., near Mission Rock Terminal. | Comment | |||
| CAS-BOT-BC34696 | Solanum lycopersicum | J. T. Howell | 1956-9-30 | 31894 | San Francisco | Drumm and Pacific Streets | Comment | |||
| CAS-BOT-BC348185 | Matricaria discoidea | John Thomas Howell | 1956-4-22 | 31253 | San Francisco | Aquatic Park, San Francisco | Comment | |||
| CAS-BOT-BC348186 | Matricaria discoidea | John Thomas Howell | 1957-6-16 | 32670 | San Francisco | San Francisco. Davidson and Third streets | Comment | |||
| CAS-BOT-BC348187 | Matricaria discoidea | John Thomas Howell | 1957-6-11 | 32597 | San Francisco | San Francisco. East side of Lone Mt. | Comment | |||
| CAS-BOT-BC348294 | Matricaria occidentalis | John Thomas Howell | 1957-6-16 | 32655 | San Francisco | San Francisco. Third and Davidson streets | Comment | |||
| CAS-BOT-BC348770 | Microseris bigelovii | John Thomas Howell | 1933-5-24 | 11338 | San Francisco | Point Lobos, San Francisco | Comment | |||
| CAS-BOT-BC348771 | Microseris bigelovii | John Thomas Howell | 1933-5-24 | 11337 | San Francisco | Point Lobos, San Francisco | Comment | |||
| CAS-BOT-BC356807 | Pseudognaphalium californicum | John Thomas Howell | 1956-5-19 | s.n. | San Francisco | Third Street south of bridge, San Francisco | Comment | |||
| CAS-BOT-BC357086 | Pseudognaphalium luteoalbum | John Thomas Howell | 1956-6-24 | 31613 | San Francisco | North side of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC357087 | Pseudognaphalium luteoalbum | John Thomas Howell | 1943-6-29 | 18243 | San Francisco | Concert Valley, Golden Gate Park, San Francisco | Comment | |||
| CAS-BOT-BC357088 | Pseudognaphalium luteoalbum | John Thomas Howell | 1936-9-4 | 12890 | San Francisco | In Sutro Forest, San Francisco | Comment | |||
| CAS-BOT-BC357089 | Pseudognaphalium luteoalbum | John Thomas Howell | 1936-9-4 | 12890 | San Francisco | In Sutro Forest, San Francisco | Comment | |||
| CAS-BOT-BC357090 | Pseudognaphalium luteoalbum | John Thomas Howell | 1943-6-29 | 18243 | San Francisco | Concert Valley, Golden Gate Park, San Francisco | Comment | |||
| CAS-BOT-BC357101 | Pseudognaphalium luteoalbum | John Thomas Howell | 1957-5-28 | 32492 | San Francisco | San Francisco. West side of Lone Mt. | Comment | |||
| CAS-BOT-BC357367 | Pseudognaphalium microcephalum | John Thomas Howell | 1956-9-9 | 31855 | San Francisco | San Francisco. SE. end of Lake Merced | Comment | |||
| CAS-BOT-BC357369 | Pseudognaphalium microcephalum | John Thomas Howell | 1956-7-15 | 31705 | San Francisco | San Francisco. E. end of 22nd St. | Comment | |||
| CAS-BOT-BC357487 | Pseudognaphalium ramosissimum | John Thomas Howell | 1953-9-25 | 29126 | San Francisco | East of conservatory Golden Gate Park, San Francisco | Comment | |||
| CAS-BOT-BC361513 | Pseudognaphalium stramineum | John Thomas Howell | 1956-7-1 | s.n. | San Francisco | Embarcadero and Vallejo Street, San Francisco | Comment | |||
| CAS-BOT-BC364613 | Senecio vulgaris | John Thomas Howell | 1957-5-28 | 32493 | San Francisco | San Francisco. West side of Lone Mt. | Comment | |||
| CAS-BOT-BC364616 | Senecio vulgaris | John Thomas Howell | 1957-5-6 | 32224 | San Francisco | San Francisco. Hunters Point | Comment | |||
| CAS-BOT-BC364845 | Silybum marianum | John Thomas Howell | 1956-4-28 | 31301 | San Francisco | Slopes east of Lake Merced, San Francisco | Comment | |||
| CAS-BOT-BC365727 | Solidago spathulata | John Thomas Howell | 1957-6-11 | 32575 | San Francisco | San Francisco. Northwest slope of Lone Mt. | Comment | |||
| CAS-BOT-BC365896 | Soliva sessilis | John Thomas Howell | 1956-5-6 | 31356 | San Francisco | Sierra & Missouri Sts., San Francisco | Comment | |||
| CAS-BOT-BC365897 | Soliva sessilis | John Thomas Howell | 1956-5-1 | s.n. | San Francisco | Lawn at Library, Civic Center, San Francisco | Comment | |||
| CAS-BOT-BC365898 | Soliva sessilis | John Thomas Howell | 1957-5-26 | 32424 | San Francisco | San Francisco. North side of Lone Mt. | Comment | |||
| CAS-BOT-BC36601 | Brassica nigra | John Thomas Howell | 1957-6-16 | 32646 | San Francisco | San Francisco. Third and Davidson Street. | Comment | |||
| CAS-BOT-BC366103 | Lasthenia minor | J. T. Howell | 1933-5-1 | 11202 | San Francisco | Presidio | Comment | |||
| CAS-BOT-BC36659 | Brassica oleracea | John Thomas Howell | 1957-6-16 | 32656 | San Francisco | San Francisco. Third and Davidson streets. | Comment | |||
| CAS-BOT-BC36660 | Brassica oleracea | John Thomas Howell | 1956-7-1 | 31657 | San Francisco | San Francisco. Berry and Towsend streets. | Comment | |||
| CAS-BOT-BC36780 | Brassica rapa | John Thomas Howell | 1956-5-12 | 31370 | San Francisco | San Francisco. Marin Street near Third Street. | Comment | |||
| CAS-BOT-BC36945 | Cakile maritima var. maritima | John Thomas Howell | 1956-5-12 | 31368 | San Francisco | San Francisco. Marin Street. | Comment | |||
| CAS-BOT-BC374466 | Sonchus asper | John Thomas Howell | 1956-7-1 | 31646 | San Francisco | Front and Vallejo streets, San Francisco | Comment | |||
| CAS-BOT-BC374467 | Sonchus asper | John Thomas Howell | 1956-7-3 | 31673 | San Francisco | Nursery, Golden Gate Park, San Francisco | Comment | |||
| CAS-BOT-BC374468 | Sonchus asper | John Thomas Howell | 1957-10-11 | 32995 | San Francisco | San Francisco. Ground near academy, Golden Gate Park | Comment | |||
| CAS-BOT-BC374680 | Sonchus oleraceus | John Thomas Howell | 1956-4-22 | 31269 | San Francisco | Embarcadero at Powell St., San Francisco | Comment | |||
| CAS-BOT-BC374681 | Sonchus oleraceus | John Thomas Howell | 1957-6-16 | 32668 | San Francisco | San Francisco. Third & Davidson streets | Comment | |||
| CAS-BOT-BC374682 | Sonchus oleraceus | John Thomas Howell | 1957-5-26 | 32419 | San Francisco | San Francisco. North base of Lone Mt. | Comment | |||
| CAS-BOT-BC376749 | Tanacetum bipinnatum | John Thomas Howell | 1972-9-6 | s.n. | San Francisco | Near (south of) Cliff House, San Francisco | Comment | |||
| CAS-BOT-BC376916 | Taraxacum officinale | John Thomas Howell | 1957-6-17 | 32682 | San Francisco | San Francisco. Lone Mt. | Comment | |||
| CAS-BOT-BC378560 | Ranunculus californicus var. californicus | John Thomas Howell | 1957-5-28 | 32510 | San Francisco | NW side of Lone Mt. | Comment | |||
| CAS-BOT-BC378561 | Ranunculus californicus var. californicus | John Thomas Howell | 1957-5-17 | 32263 | San Francisco | Bayview Hills | Comment | |||
| CAS-BOT-BC378569 | Ranunculus californicus var. californicus | John Thomas Howell | 1957-5-6 | 32204 | San Francisco | Hunters Point | Comment | |||
| CAS-BOT-BC379637 | Layia platyglossa | John Thomas Howell | 1925-4-18 | 976 | San Francisco | Between Land's End and Cliff House, Pt. Lobos, San Francisco | Comment | |||
| CAS-BOT-BC379638 | Layia platyglossa | John Thomas Howell | 1956-5-19 | 31435 | San Francisco | Serpentine hills, Hunters Point, San Francisco | Comment | |||
| CAS-BOT-BC381800 | Taraxacum | John Thomas Howell | 1956-5-6 | 31330 A | San Francisco | 3rd St. just south of bridge | Comment | |||
| CAS-BOT-BC382405 | Xanthium spinosum | John Thomas Howell | 1957-5-5 | 32159 | San Francisco | 6 & Harrison Sts | Comment | |||
| CAS-BOT-BC382406 | Xanthium spinosum | John Thomas Howell | 1956-6-3 | 31468 | San Francisco | at east end of Shafter St. | Comment | |||
| CAS-BOT-BC382407 | Xanthium spinosum | John Thomas Howell | 1957-9-29 | s.n. | San Francisco | Near Gilman School & Park, n. base of Bayview Hills | Comment | |||
| CAS-BOT-BC384014 | Mirabilis jalapa | John Thomas Howell | 1956-7-15 | 31688 | San Francisco | San Francisco. Waterfront St. near Mission Rock Terminal | Comment | |||
| CAS-BOT-BC384015 | Mirabilis jalapa | John Thomas Howell | 1957-10-3 | 32983 | San Francisco | San Francisco. North base of Lone Mt. | Comment | |||
| CAS-BOT-BC384016 | Mirabilis jalapa | John Thomas Howell | 1956-7-15 | 31688 | San Francisco | San Francisco. Waterfront Street near Mission Rock Terminal | Comment | |||
| CAS-BOT-BC385923 | Silene gallica | John Thomas Howell | 1957-5-26 | 32446 | San Francisco | San Francisco; North base of Lone Mountain | Comment | |||
| CAS-BOT-BC385925 | Silene gallica | John Thomas Howell | 1952-5-8 | 28313 | San Francisco | San Francisco; Golden Gate Heights | Comment | |||
| CAS-BOT-BC388219 | Cerastium fontanum subsp. vulgare | John Thomas Howell | 1956-7-29 | 31727 | San Francisco | San Francisco. McLaren Park | Comment | |||
| CAS-BOT-BC388220 | Cerastium fontanum subsp. vulgare | John Thomas Howell | 1957-8-4 | 32855 | San Francisco | San Francisco. East end of Golden Gate Park | Comment | |||
| CAS-BOT-BC388221 | Cerastium fontanum subsp. vulgare | John Thomas Howell | 1957-8-4 | 32855 | San Francisco | San Francisco. East end of Golden Gate Park | Comment | |||
| CAS-BOT-BC388373 | Cerastium glomeratum | John Thomas Howell | 1957-5-29 | 32545 | San Francisco | San Francisco. North side of Lone Mt. | Comment | |||
| CAS-BOT-BC389607 | Silene pseudatocion | John Thomas Howell | 1972-4-19 | 48673 | San Francisco | San Francisco | Comment | |||
| CAS-BOT-BC389989 | Spergula arvensis | John Thomas Howell | 1957-5-28 | 32512 | San Francisco | San Francisco. Nw. side of Lone Mt. | Comment | |||
| CAS-BOT-BC389990 | Spergula arvensis | John Thomas Howell | 1956-5-19 | 31405 | San Francisco | Near Third and Army streets, San Francisco | Comment | |||
| CAS-BOT-BC390178 | Spergularia bocconi | John Thomas Howell | 1956-4-22 | 31252 | San Francisco | Aquatic Park, San Francisco | Comment | |||
| CAS-BOT-BC390179 | Spergularia bocconi | John Thomas Howell | 1957-6-11 | 32602 | San Francisco | San Francisco. East side of Lone Mt. | Comment | |||
| CAS-BOT-BC390182 | Spergularia bocconi | John Thomas Howell | 1933-5-7 | 11216 | San Francisco | Odd Fellows Cemetery, San Francisco | Comment | |||
| CAS-BOT-BC390183 | Spergularia bocconi | John Thomas Howell | 1933-5-24 | 11339 | San Francisco | Point Lobos, San Francisco | Comment | |||
| CAS-BOT-BC390185 | Spergularia bocconi | John Thomas Howell | 1956-5-12 | 31379 | San Francisco | Marin St. near Third St., San Francisco | Comment | |||
| CAS-BOT-BC390186 | Spergularia bocconi | John Thomas Howell | 1957-7-16 | 32808 | San Francisco | San Francisco. Pine St. & Presidio Ave. | Comment | |||
| CAS-BOT-BC390187 | Spergularia bocconi | John Thomas Howell | 1957-5-5 | 32175 | San Francisco | San Francisco. Sierra & 22nd Sts. | Comment | |||
| CAS-BOT-BC390420 | Spergularia macrotheca var. macrotheca | John Thomas Howell | 1956-5-12 | 31366 | San Francisco | San Francisco. Marin Street | Comment | |||
| CAS-BOT-BC390421 | Spergularia macrotheca var. macrotheca | John Thomas Howell | 1925-4-18 | 972 | San Francisco | Pt. Lobos, San Francisco | Comment | |||
| CAS-BOT-BC390423 | Spergularia macrotheca var. macrotheca | John Thomas Howell | 1956-5-12 | 31366 | San Francisco | Marin St., San Francisco | Comment | |||
| CAS-BOT-BC390693 | Spergularia rubra | John Thomas Howell | 1957-6-11 | 32598 | San Francisco | San Francisco. East side of Lone Mt. | Comment | |||
| CAS-BOT-BC390886 | Spergularia marina | John Thomas Howell | 1956-5-12 | 31367 | San Francisco | Marin St., San Francisco | Comment | |||
| CAS-BOT-BC390887 | Spergularia marina | John Thomas Howell | 1956-5-12 | 31367 | San Francisco | San Francisco. Marin Street | Comment | |||
| CAS-BOT-BC391037 | Spergularia villosa | John Thomas Howell | 1956-5-19 | 31437 | San Francisco | Hunters Point, San Francisco | Comment | |||
| CAS-BOT-BC391040 | Spergularia villosa | John Thomas Howell | 1956-4-22 | 31262 | San Francisco | Near Fisherman's Wharf, San Francisco | Comment | |||
| CAS-BOT-BC391058 | Stellaria graminea | J. T. Howell | 1958-6-2 | s.n. | San Francisco | San Francisco. Park Lodge, Golden Gate Park | Comment | |||
| CAS-BOT-BC391059 | Stellaria graminea | John Thomas Howell | 1959-5-14 | 34595 | San Francisco | San Francisco. Near Strybing Arboretum, Golden Gate Park | Comment | |||
| CAS-BOT-BC393841 | Stellaria media | John Thomas Howell | 1956-7-15 | 31690 | San Francisco | Waterfront St. near Mission Rock Terminal | Comment | |||
| CAS-BOT-BC393842 | Stellaria media | John Thomas Howell | 1957-5-26 | 32463 | San Francisco | North face of Lone Mt. | Comment | |||
| CAS-BOT-BC393843 | Stellaria media | John Thomas Howell | 1957-4-23 | 32023 | San Francisco | Vallejo St. near Van Ness Ave. | Comment | |||
| CAS-BOT-BC401269 | Hypericum perforatum | John Thomas Howell | 1956-6-3 | 31460 | San Francisco | Embarcadero and Front St., San Francisco | Comment | |||
| CAS-BOT-BC401270 | Hypericum perforatum | John Thomas Howell | 1956-4-22 | 31284 | San Francisco | Embarcadero at Vallejo St., San Francisco | Comment | |||
| CAS-BOT-BC403457 | Eschscholzia californica | John Thomas Howell | 1957-5-5 | 32166 | San Francisco | San Francisco. East end of 22nd St. | Comment | |||
| CAS-BOT-BC403768 | Salpichroa origanifolia | John Thomas Howell | 1945-7-23 | 21332 | San Francisco | East end of Band Concourse, Golden Gate Park, San Francisco | Comment | |||
| CAS-BOT-BC403769 | Salpichroa origanifolia | John Thomas Howell | 1945-7-23 | 21332 | San Francisco | Golden Gate Park, San Francisco | Comment | |||
| CAS-BOT-BC403998 | Urtica dioica subsp. holosericea | John Thomas Howell | 1957-8-19 | 32914 | San Francisco | San Francisco. Near Quarry Lake, Golden Gate Park | Comment | |||
| CAS-BOT-BC404000 | Urtica dioica subsp. holosericea | John Thomas Howell | 1957-10-11 | 32996 | San Francisco | San Francisco. East of Academy, Golden Gate Park | Comment | |||
| CAS-BOT-BC404002 | Urtica dioica subsp. holosericea | John Thomas Howell | 1957-8-19 | 32914 | San Francisco | San Francisco. Near Quarry Lake, Golden Gate Park | Comment | |||
| CAS-BOT-BC410852 | Dudleya caespitosa | John Thomas Howell | 1956-6-17 | 31561 | San Francisco | Summit ridge of Bayveiw Hills | Comment | |||
| CAS-BOT-BC413462 | Parietaria judaica | John Thomas Howell | 1956-7-1 | 31632 | San Francisco | Bay St. near Columbus Av., San Francisco | Comment | |||
| CAS-BOT-BC413463 | Parietaria judaica | John Thomas Howell | 1956-4-22 | 31256 | San Francisco | Near Fisherman's Wharf, San Francisco | Comment | |||
| CAS-BOT-BC413464 | Parietaria judaica | John Thomas Howell | 1956-4-22 | 31256 | San Francisco | San Francisco. Near Fishermans Wharf | Comment | |||
| CAS-BOT-BC413687 | Persicaria capitata | John Thomas Howell | 1975-1-5 | 51014 | San Francisco | Shotwell St. betw. 25 & 26 streets, San Francisco | Comment | |||
| CAS-BOT-BC413782 | Persicaria lapathifolia | John Thomas Howell | 1931-9-29 | 8125 | San Francisco | Along highwater mark of Mountain Lake, Presidio, San Francisco | Comment | |||
| CAS-BOT-BC413784 | Persicaria lapathifolia | John Thomas Howell | 1931-9-29 | 8125 | San Francisco | Along highwater mark of Mountain Lake, Presidio, San Francisco | Comment | |||
| CAS-BOT-BC413786 | Persicaria lapathifolia | John Thomas Howell | 1957-8-19 | 32902 | San Francisco | San Francisco. Near Quarry Lake, Golden Gate Park | Comment | |||
| CAS-BOT-BC413788 | Persicaria lapathifolia | John Thomas Howell | 1957-8-6 | 32889 | San Francisco | San Francisco. S. of Academy, Golden Gate Park | Comment | |||
| CAS-BOT-BC413899 | Fallopia convolvulus | John Thomas Howell | 1956-7-1 | 31652 | San Francisco | Embarcadero and Vallejo St., San Francisco | Comment | |||
| CAS-BOT-BC414056 | Polygonum aviculare subsp. aviculare | John Thomas Howell | 1956-5-19 | 31441 | San Francisco | Hunters Point, San Francisco | Comment | |||
| CAS-BOT-BC414057 | Polygonum aviculare subsp. aviculare | John Thomas Howell | 1957-6-16 | 32666 | San Francisco | San Francisco. Third & Davidson streets | Comment | |||
| CAS-BOT-BC414058 | Polygonum aviculare subsp. aviculare | John Thomas Howell | 1956-5-19 | 31411 | San Francisco | Near Third & Army streets, San Francisco | Comment | |||
| CAS-BOT-BC414059 | Polygonum aviculare subsp. aviculare | John Thomas Howell | 1957-9-1 | 32935 | San Francisco | San Francisco. Sutro Heights above Pt. Lobos | Comment | |||
| CAS-BOT-BC414061 | Polygonum aviculare subsp. aviculare | John Thomas Howell | 1956-11-4 | 31952 | San Francisco | San Francisco. At east end of Marin St. | Comment | |||
| CAS-BOT-BC414062 | Polygonum aviculare subsp. aviculare | John Thomas Howell | 1956-5-19 | 31428 | San Francisco | Hunters Point, San Francisco | Comment | |||
| CAS-BOT-BC414063 | Polygonum aviculare subsp. aviculare | John Thomas Howell | 1957-6-16 | 32667 | San Francisco | San Francisco. Third & Davidson streets | Comment | |||
| CAS-BOT-BC414226 | Polygonum aviculare subsp. depressum | John Thomas Howell | 1957-6-11 | 32609 | San Francisco | San Francisco. East side of Lone Mt. | Comment | |||
| CAS-BOT-BC414312 | Polygonum aviculare subsp. neglectum | J. T. Howell | 1957-6-16 | 32667 | San Francisco | San Francisco. Third and Davidson streets | Comment | |||
| CAS-BOT-BC416358 | Rumex californicus | John Thomas Howell | 1956-7-1 | 31665 | San Francisco | Hunters Point, San Francisco | Comment | |||
| CAS-BOT-BC416359 | Rumex californicus | John Thomas Howell | 1956-6-5 | 31482 | San Francisco | Vacant lot, Mansell and San Bruno Streets, San Francisco | Comment | |||
| CAS-BOT-BC416360 | Rumex californicus | John Thomas Howell | 1957-8-19 | 32900 | San Francisco | San Francisco: near aquarium in Golden Gate Park | Comment | |||
| CAS-BOT-BC419245 | Persicaria maculosa | John Thomas Howell | 1957-8-19 | 32901 | San Francisco | San Francisco. Near Quarry Lake, Golden Gate Park | Comment | |||
| CAS-BOT-BC419246 | Persicaria maculosa | John Thomas Howell | 1956-10-21 | 31924 | San Francisco | San Francisco. Along Islais Creek east of Third Street | Comment | |||
| CAS-BOT-BC419247 | Persicaria maculosa | John Thomas Howell | 1957-8-6 | 32871 | San Francisco | San Francisco. Strybing Arboretum, Golden Gate Park | Comment | |||
| CAS-BOT-BC419370 | Persicaria punctata | John Thomas Howell | 1956-8-26 | 31799 | San Francisco | San Francisco. Pine Lake | Comment | |||
| CAS-BOT-BC421807 | Rumex conglomeratus | John Thomas Howell | 1956-8-12 | 31760 | San Francisco | San Francisco. Alemany Blvd. near Bayshore Freeway | Comment | |||
| CAS-BOT-BC421808 | Rumex conglomeratus | John Thomas Howell | 1956-10-28 | 31945 | San Francisco | San Francisco. Mountain Lake, Presidio | Comment | |||
| CAS-BOT-BC421809 | Rumex conglomeratus | John Thomas Howell | 1956-9-2 | 31830 | San Francisco | San Francisco. Northeast end of Lake Merced | Comment | |||
| CAS-BOT-BC422057 | Rumex acetosella | John Thomas Howell | 1956-6-10 | 31523 | San Francisco | North slope of Bay View Hills, San Francisco | Comment | |||
| CAS-BOT-BC422059 | Rumex acetosella | John Thomas Howell | 1957-5-26 | 32425 | San Francisco | San Francisco. North base of Lone Mt. | Comment | |||
| CAS-BOT-BC422305 | Soleirolia soleirolii | John Thomas Howell | 1957-6-11 | 32613 | San Francisco | San Francisco. Lone Mountain. | Comment | |||
| CAS-BOT-BC422306 | Soleirolia soleirolii | John Thomas Howell | 1957-6-11 | 32613 | San Francisco | San Francisco. Lone Mt. | Comment | |||
| CAS-BOT-BC422307 | Soleirolia soleirolii | John Thomas Howell | 1957-9-22 | 32970 | San Francisco | San Francisco. Vallejo and Front streets | Comment | |||
| CAS-BOT-BC422308 | Soleirolia soleirolii | John Thomas Howell | 1969-7-6 | 45868 | San Francisco | Fort Mason, San Francisco | Comment | |||
| CAS-BOT-BC422447 | Fumaria capreolata | John Thomas Howell | 1980-9-25 | 53901 | San Francisco | Along path between the Conservatory and Fuchsia Garden, Golden Gate Park, San Francisco. | Comment | |||
| CAS-BOT-BC422448 | Fumaria capreolata | John Thomas Howell | 1980-10-14 | 53929 | San Francisco | Between Conservatory and Fuchsia Garden, San Francisco. | Comment | |||
| CAS-BOT-BC426281 | Chenopodium album | John Thomas Howell | 1957-7-28 | 32828 | San Francisco | City of San Francisco, Third & Davidson streets | Comment | |||
| CAS-BOT-BC426289 | Chenopodium album | John Thomas Howell | 1957-6-16 | 32660 | San Francisco | City of San Francisco, Third & Davidson streets | Comment | |||
| CAS-BOT-BC426290 | Chenopodium album | John Thomas Howell | 1957-7-28 | 32831 | San Francisco | City of San Francisco, Third & Davidson streets | Comment | |||
| CAS-BOT-BC426340 | Chenopodium album | John Thomas Howell | 1957-6-16 | 32664 | San Francisco | City of San Francisco, Third & Davidson streets | Comment | |||
| CAS-BOT-BC427528 | Reseda alba | John Thomas Howell | 1957-5-5 | 32158 | San Francisco | San Francisco. Under elevated freeway, 6th at Harrison St. | Comment | |||
| CAS-BOT-BC427529 | Reseda alba | John Thomas Howell | 1934-10-25 | 12577 | San Francisco | San Francisco | Comment | |||
| CAS-BOT-BC427533 | Reseda alba | John Thomas Howell | 1934-10-25 | 12577 | San Francisco | Near S.P. Station, 3rd & Townsend streets, San Francisco. | Comment | |||
| CAS-BOT-BC427811 | Crassula connata | John Thomas Howell | 1956-6-17 | 31583 | San Francisco | San Francisco. West side of Lone Mt. | Comment | |||
| CAS-BOT-BC433333 | Rumex crispus | John Thomas Howell | 1957-5-28 | 32487 | San Francisco | San Francisco. West side of Lone Mt. | Comment | |||
| CAS-BOT-BC433334 | Rumex crispus | John Thomas Howell | 1956-1-1 | s.n. | San Francisco | San Francisco. Hunters Point | Comment | |||
| CAS-BOT-BC433459 | Rumex crispus | John Thomas Howell; Peter Rubtzoff | 1959-9-16 | 34610 | San Francisco | Near Strybing Arboretum, Golden Gate Park. | Comment | |||
| CAS-BOT-BC433530 | Rumex fueginus | John Thomas Howell | 1941-10-2 | s.n. | San Francisco | Golden Gate Park near the Academy | Comment | |||
| CAS-BOT-BC433531 | Rumex fueginus | John Thomas Howell | 1956-8-26 | 31797 | San Francisco | San Francisco. Strand of Pine Lake | Comment | |||
| CAS-BOT-BC433679 | Rumex obtusifolius | John Thomas Howell | 1956-7-1 | 31644 | San Francisco | Front and Vallejo streets, San Francisco | Comment | |||
| CAS-BOT-BC433680 | Rumex obtusifolius | John Thomas Howell | 1937-5-23 | s.n. | San Francisco | Presidio, San Francisco | Comment | |||
| CAS-BOT-BC433746 | Rumex persicarioides | John Thomas Howell | 1956-9-9 | 31867 | San Francisco | San Francisco. Strand at se. end of Lake Merced | Comment | |||
| CAS-BOT-BC433806 | Rumex pulcher | John Thomas Howell | 1956-6-3 | 31472 | San Francisco | At east end of Shafter St., San Francisco (s. of Hunters Point) | Comment | |||
| CAS-BOT-BC433807 | Rumex pulcher | John Thomas Howell | 1956-7-1 | s.n. | San Francisco | San Francisco. Hunters Point | Comment | |||
| CAS-BOT-BC433808 | Rumex pulcher | John Thomas Howell | 1956-7-22 | 31712 | San Francisco | San Francisco. North base of Bayview Hills | Comment | |||
| CAS-BOT-BC433974 | Rumex salicifolius | John Thomas Howell | 1957-8-6 | 32882 | San Francisco | San Francisco. Strybing Arboretum, Golden Gate Park | Comment | |||
| CAS-BOT-BC433975 | Rumex salicifolius | John Thomas Howell | 1956-8-26 | 31794 | San Francisco | San Francisco. Strand of Pine Lake | Comment | |||
| CAS-BOT-BC433978 | Rumex salicifolius | John Thomas Howell | 1956-4-29 | 31309 | San Francisco | Berry & Third streets, San Francisco | Comment | |||
| CAS-BOT-BC434083 | Rumex transitorius | John Thomas Howell | 1956-7-1 | 31647 | San Francisco | Front and Vallejo streets, San Francisco | Comment | |||
| CAS-BOT-BC43437 | Descurainia sophia | John Thomas Howell | 1957-6-16 | 32633 | San Francisco | San Francisco. Third and Davidson Streets. | Comment | |||
| CAS-BOT-BC434455 | Phytolacca heterotepala | John Thomas Howell | 1959-9-1 | 34604 | San Francisco | San Francisco. Near tennis courts, Golden Gate Park. | Comment | |||
| CAS-BOT-BC434456 | Phytolacca heterotepala | John Thomas Howell | 1960-1-23 | 35121 | San Francisco | San Francisco. Near Aquarium, Golden Gate Park. | Comment | |||
| CAS-BOT-BC434457 | Phytolacca heterotepala | John Thomas Howell | 1959-8-28 | 34602 | San Francisco | Geary St. between Gough & Franklin, San Francisco. | Comment | |||
| CAS-BOT-BC434459 | Phytolacca heterotepala | John Thomas Howell | 1959-10-2 | 35095 | San Francisco | San Francisco. Near Academy buildings, Golden Gate Park. | Comment | |||
| CAS-BOT-BC434462 | Phytolacca heterotepala | John Thomas Howell | 1960-1-23 | 35122 | San Francisco | San Francisco. Ground adjacent to Botany Dept., CAS, Golden Gate Park. | Comment | |||
| CAS-BOT-BC435157 | Conicosia pugioniformis | John Thomas Howell | 1943-10-30 | 19337 | San Francisco | Dunes just east of Lake Merced, San Francisco. | 15 | Comment | ||
| CAS-BOT-BC435158 | Conicosia pugioniformis | John Thomas Howell | 1943-10-30 | 19337 | San Francisco | Dunes just east of Lake Merced, San Francisco. | 15 | Comment | ||
| CAS-BOT-BC435159 | Conicosia pugioniformis | John Thomas Howell | 1957-5-28 | 32476 | San Francisco | San Francisco. West side of Lone Mt. | Comment | |||
| CAS-BOT-BC435160 | Conicosia pugioniformis | John Thomas Howell | 1956-9-26 | 31879 | San Francisco | San Francisco. Lake Merced | Comment | |||
| CAS-BOT-BC435218 | Drosanthemum floribundum | John Thomas Howell | 1957-5-28 | 32477 | San Francisco | San Francisco. West side of Lone Mt. | Comment | |||
| CAS-BOT-BC437027 | Fragaria chiloensis | John Thomas Howell | 1957-5-26 | 32461 | San Francisco | North base of Lone Mt., San Francisco | Comment | |||
| CAS-BOT-BC438254 | Tetragonia tetragonoides | John Thomas Howell | 1956-9-30 | 31909 | San Francisco | San Francisco. At east end of Marin St. | Comment | |||
| CAS-BOT-BC438255 | Tetragonia tetragonoides | John Thomas Howell | 1956-7-22 | 31708 A | San Francisco | San Francisco. Near bay at north base of Bayview Hills | Comment | |||
| CAS-BOT-BC438256 | Tetragonia tetragonoides | John Thomas Howell | 1956-9-26 | 31885 | San Francisco | San Francisco. Lake Merced | Comment | |||
| CAS-BOT-BC438257 | Tetragonia tetragonoides | John Thomas Howell | 1956-5-6 | 31354 | San Francisco | Sierra & Missouri Sts., San Francisco | Comment | |||
| CAS-BOT-BC438513 | Calandrinia ciliata | John Thomas Howell | 1956-5-6 | 31345 | San Francisco | Sierra & 22nd Sts., San Francisco | Comment | |||
| CAS-BOT-BC439573 | Claytonia parviflora subsp. parviflora | John Thomas Howell | 1933-5-24 | 11336 | San Francisco | Pt. Lobos, San Francisco. | Comment | |||
| CAS-BOT-BC439883 | Claytonia perfoliata | John Thomas Howell | 1957-5-6 | 32188 | San Francisco | San Francisco. Evans St., Hunters Point | Comment | |||
| CAS-BOT-BC439983 | Claytonia perfoliata subsp. mexicana | John Thomas Howell | 1933-5-24 | 11336 | San Francisco | Point Lobos, San Francisco. | Comment | |||
| CAS-BOT-BC445276 | Portulaca oleracea | John Thomas Howell | 1956-7-15 | 31700 | San Francisco | San Francisco. Waterfront St. near Mission Rock Terminal | Comment | |||
| CAS-BOT-BC445277 | Portulaca oleracea | John Thomas Howell | 1956-6-3 | 31457 | San Francisco | Embarcadero and Front St., San Francisco | Comment | |||
| CAS-BOT-BC44907 | Ambrosia chamissonis | John Thomas Howell | 1956-9-9 | 31848 | San Francisco | At SE end of Lake Merced | Comment | |||
| CAS-BOT-BC44908 | Ambrosia chamissonis | John Thomas Howell | 1956-9-9 | 31849 | San Francisco | At SE end of Lake Merced | Comment | |||
| CAS-BOT-BC451535 | Elodea canadensis | John Thomas Howell | 1956-9-2 | 31843 | San Francisco | San Francisco. Northeast end of Lake Merced. | Comment | |||
| CAS-BOT-BC451536 | Elodea canadensis | John Thomas Howell | 1956-9-9 | 31870 | San Francisco | San Francisco. At west end of north arm of Lake Merced | Comment | |||
| CAS-BOT-BC45159 | Anaphalis margaritacea | John Thomas Howell | 1956-6-10 | 31533 | San Francisco | North slopes on Bay View Hills | Comment | |||
| CAS-BOT-BC453924 | Potamogeton pectinatus | John Thomas Howell | 1957-8-21 | 32917 | San Francisco | San Francisco. Quarry Lake, Golden Gate Park | Comment | |||
| CAS-BOT-BC453926 | Potamogeton pectinatus | John Thomas Howell | 1956-9-2 | 31845 | San Francisco | San Francisco. Northeast end of Lake Merced | Comment | |||
| CAS-BOT-BC454045 | Potamogeton pusillus subsp. pusillus | John Thomas Howell | 1957-8-21 | 32916 | San Francisco | San Francisco. Quarry Lake, Golden Gate Park | Comment | |||
| CAS-BOT-BC457502 | Fragaria vesca subsp. californica | John Thomas Howell | 1957-5-17 | 32301 | San Francisco | Bayview Hills | Comment | |||
| CAS-BOT-BC457504 | Fragaria vesca subsp. californica | John Thomas Howell | 1956-6-17 | 31567 | San Francisco | Summit Ridge of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC469009 | Allium dichlamydeum | John Thomas Howell | 1957-5-17 | 32294 | San Francisco | Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC469010 | Allium dichlamydeum | John Thomas Howell | 1956-5-19 | 31426 | San Francisco | Serpentine hills, Hunters Point, San Francisco | Comment | |||
| CAS-BOT-BC469011 | Allium dichlamydeum | John Thomas Howell | 1957-6-30 | 32796 | San Francisco | Summit ridge, Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC472787 | Allium neapolitanum | John Thomas Howell | 1954-4-15 | 29140 | San Francisco | 1761 Vallejo St., San Francisco | Comment | |||
| CAS-BOT-BC483164 | Brodiaea terrestris subsp. terrestris | John Thomas Howell | 1956-6-10 | 31556 | San Francisco | North slope of Bay View Hills, San Francisco | Comment | |||
| CAS-BOT-BC483165 | Brodiaea terrestris subsp. terrestris | John Thomas Howell | 1957-6-30 | 32789 | San Francisco | Hunter's Point, San Francisco | Comment | |||
| CAS-BOT-BC483166 | Brodiaea terrestris subsp. terrestris | John Thomas Howell | 1956-5-6 | 31346 | San Francisco | Sierra and 22nd Sts., San Francisco | Comment | |||
| CAS-BOT-BC483167 | Brodiaea terrestris subsp. terrestris | John Thomas Howell | 1956-5-19 | 31423 | San Francisco | Hunters Point, San Francisco | Comment | |||
| CAS-BOT-BC484275 | Brodiaea elegans subsp. elegans | John Thomas Howell | 1956-6-10 | 31557 | San Francisco | North slope of Bay View Hills, San Francisco | Comment | |||
| CAS-BOT-BC491875 | Calochortus luteus | John Thomas Howell | 1957-6-30 | 32784 | San Francisco | Hunters Point | Comment | |||
| CAS-BOT-BC492526 | Calochortus luteus | John Thomas Howell | 1956-5-19 | 31425 | San Francisco | Hunters Point | Comment | |||
| CAS-BOT-BC497733 | Chlorogalum pomeridianum | John Thomas Howell | 1952-6-30 | 32791 | San Francisco | On serpentine, Hunters Point | Comment | |||
| CAS-BOT-BC497734 | Chlorogalum pomeridianum | John Thomas Howell | 1956-5-19 | 31432 | San Francisco | Serpentine hill, Hunters Point | Comment | |||
| CAS-BOT-BC499313 | Chlorogalum pomeridianum var. divaricatum | John Thomas Howell | 1957-7-28 | 32825 | San Francisco | Bayview Hills | Comment | |||
| CAS-BOT-BC499315 | Chlorogalum pomeridianum var. divaricatum | John Thomas Howell | 1956-6-10 | 31520 | San Francisco | North slope of Bay View Hills | Comment | |||
| CAS-BOT-BC500240 | Orobanche robbinsii | John Thomas Howell | 1930-9-7 | 5460 | San Francisco | San Francisco: Land's End, the region of the type locality [of O. californica] | Comment | |||
| CAS-BOT-BC500807 | Dichelostemma capitatum | John Thomas Howell | 1956-6-10 | 31555 | San Francisco | North slope of Bay View Hills | Comment | |||
| CAS-BOT-BC500808 | Dichelostemma capitatum | John Thomas Howell | 1957-5-6 | 32194 | San Francisco | Hunter's Point | Comment | |||
| CAS-BOT-BC508560 | Muilla maritima | John Thomas Howell | 1946-4-5 | 21594 | San Francisco | Sutro Forest, San Francisco | Comment | |||
| CAS-BOT-BC516040 | Nothoscordum bivalve | J. T. Howell | 1963-10-3 | s.n. | San Francisco | Strybing Arboretum, Golden Gate Park, San Francisco | Comment | |||
| CAS-BOT-BC516041 | Nothoscordum bivalve | John Thomas Howell | 1959-8-21 | 34597 | San Francisco | Victor Reiter's Garden, 1195 Stanyan Street, San Francisco | Comment | |||
| CAS-BOT-BC516042 | Nothoscordum gracile | John Thomas Howell | 1958-6-17 | 33630 | San Francisco | Along driveway off Divisadero Street, near Golden Gate Ave., San Francisco | Comment | |||
| CAS-BOT-BC516043 | Nothoscordum gracile | John Thomas Howell | 1958-6-17 | 33630 | San Francisco | Divisadero Street, near Golden Gate Ave., San Francisco | Comment | |||
| CAS-BOT-BC526233 | Arctotheca prostrata | John Thomas Howell; Walter Knight | 1985-4-12 | s.n. | San Francisco | Along Kennedy Drive just W of the conservatory Golden Gate Park, San Francisco | Comment | |||
| CAS-BOT-BC526777 | Triteleia laxa | John Thomas Howell | 1956-6-17 | 31575 | San Francisco | Summit ridge of Bayview Hills | Comment | |||
| CAS-BOT-BC526778 | Triteleia laxa | John Thomas Howell | 1957-6-30 | 32781 | San Francisco | On perpentine, Hunters Point | Comment | |||
| CAS-BOT-BC534656 | Lemna minuta | John Thomas Howell | 1956-8-26 | 31806 | San Francisco | Pine Lake, San Francisco | Comment | |||
| CAS-BOT-BC534657 | Lemna minuta | John Thomas Howell | 1956-8-12 | 31759 | San Francisco | Swamp, Alemany Blvd. near Bayshore Freeway, San Francisco | Comment | |||
| CAS-BOT-BC534658 | Lemna minuta | John Thomas Howell | 1956-9-2 | 31828 | San Francisco | East end of Lake Merced, San Francisco | Comment | |||
| CAS-BOT-BC536125 | Horkelia californica | John Thomas Howell | 1956-6-17 | 31565 | San Francisco | Summit ridge of Bayview Hills, San Francisco | Comment | |||
| CAS-BOT-BC536126 | Horkelia californica | John Thomas Howell | 1933-7-9 | 11437 | San Francisco | Hills south of Visitacion Valley, San Francisco | Comment | |||
| CAS-BOT-BC55414 | Hirschfeldia incana | John Thomas Howell | 1956-10-28 | 31937 | San Francisco | San Francisco. Mountain Lake, Presidio. | Comment | |||
| CAS-BOT-BC55608 | Ambrosia confertiflora | John Thomas Howell | 1956-7-15 | s.n. | San Francisco | Waterfront Street | Comment | |||
| CAS-BOT-BC55609 | Ambrosia confertiflora | John Thomas Howell | 1956-11-4 | 31948 | San Francisco | Waterfront St near Mission Rock Terminal | Comment | |||
| CAS-BOT-BC55621 | Ambrosia psilostachya | John Thomas Howell | 1956-8-19 | 31776 | San Francisco | Waterfront St. near Mission Rock Terminal | Comment | |||
| CAS-BOT-BC55622 | Ambrosia psilostachya | John Thomas Howell | 1956-9-30 | 31896 | San Francisco | Embarcadero and Townsend St. | Comment | |||
| CAS-BOT-BC57111 | Equisetum X ferrissii | John Thomas Howell | 1956-9-2 | 31841 | San Francisco | Northeast end of Lake Merced | Comment | |||
| CAS-BOT-BC57112 | Equisetum X ferrissii | John Thomas Howell | 1956-4-22 | 31291 | San Francisco | In hedge in park between Larkin and Hyde streets on Bay St., San Francisco | Comment | |||
| CAS-BOT-BC62172 | Selaginella kraussiana | John Thomas Howell | 1969-7-6 | 45866 | San Francisco | Fort Mason, San Francisco | Comment | |||
| CAS-BOT-BC72639 | Pteridium aquilinum | John Thomas Howell | 1956-9-9 | 31861 | San Francisco | se. end of Lake Merced | Comment | |||
| CAS-BOT-BC74321 | Raphanus sativus | John Thomas Howell | 1956-10-28 | 31938 | San Francisco | San Francisco. Mountain Lake, Presidio. | Comment | |||
| CAS-BOT-BC74969 | Sinapis arvensis | John Thomas Howell | 1957-6-16 | 32626 | San Francisco | San Francisco. Embarcadero at Vallejo Street. | Comment | |||
| CAS-BOT-BC74970 | Sinapis arvensis | John Thomas Howell | 1957-6-16 | 32637 | San Francisco | San Francisco. Third and Davidson Street. | Comment | |||
| CAS-BOT-BC75140 | Sisymbrium altissimum | John Thomas Howell | 1957-6-16 | 32632 | San Francisco | San Francisco. Third and Davidson streets. | Comment | |||
| CAS-BOT-BC75192 | Sisymbrium irio | John Thomas Howell | 1981-3-8 | 53931 | San Francisco | San Francisco. At site of former aiport bus depot adjacent to Hilton Hotel, corner of O'Farrel and Taylor Streets. | Comment | |||
| CAS-BOT-BC75193 | Sisymbrium irio | John Thomas Howell | 1957-6-16 | 32630 | San Francisco | San Francisco. Third and Davidson Street. | Comment | |||
| CAS-BOT-BC75428 | Sisymbrium orientale | John Thomas Howell | 1930-6-21 | 5318 | San Francisco | San Francisco. Near Sutro Baths. | Comment | |||
| CAS-BOT-BC75429 | Sisymbrium orientale | John Thomas Howell | 1937-8-13 | s.n. | San Francisco | San Francisco on Masonic Avenue at Geary. | Comment | |||
| CAS-BOT-BC75430 | Sisymbrium orientale | John Thomas Howell | 1937-8-13 | s.n. | San Francisco | San Francisco on Masonic Avenue at Geary. | Comment | |||
| CAS-BOT-BC75431 | Sisymbrium orientale | John Thomas Howell | 1940-5-27 | s.n. | San Francisco | San Francisco on Masonic Avenue near Geary Street. | Comment | |||
| CAS-BOT-BC75432 | Sisymbrium orientale | John Thomas Howell | 1946-5-11 | 21759 | San Francisco | San Francisco. Duboce and Market Streets. | Comment | |||
| CAS-BOT-BC75433 | Sisymbrium orientale | John Thomas Howell | 1946-5-11 | 21759 | San Francisco | San Francisco. Duboce and Market Streets. | Comment | |||
| CAS-BOT-BC75434 | Sisymbrium orientale | John Thomas Howell | 1956-4-22 | 31264 | San Francisco | San Francisco. Embarcadero at Powell Street. | Comment | |||
| CAS-BOT-BC75436 | Sisymbrium orientale | John Thomas Howell | 1956-7-15 | s.n. | San Francisco | San Francisco. Waterfront Street. | Comment | |||
| CAS-BOT-BC75437 | Sisymbrium orientale | John Thomas Howell | 1957-6-16 | 32631 | San Francisco | San Francisco. Third and Davidson Streets. | Comment | |||
| CAS-BOT-BC84618 | Anthemis cotula | John Thomas Howell | 1956-5-19 | 31402 | San Francisco | near Third & Army streets | Comment | |||
| CAS-BOT-BC84619 | Anthemis cotula | John Thomas Howell | 1956-7-1 | 31649 | San Francisco | Embarcadero and Vallejo St. | Comment | |||
| CAS-BOT-BC84620 | Anthemis cotula | John Thomas Howell | 1957-5-6 | 32185 | San Francisco | east end of Army St. | Comment | |||
| CAS-BOT-BC89106 | Lepidium didymum | John Thomas Howell | 1956-4-22 | 31271 | San Francisco | San Francisco. Embarcadero at Powell Street. | Comment | |||
| CAS-BOT-BC89107 | Lepidium didymum | John Thomas Howell | 1956-7-1 | 31651 | San Francisco | San Francisco. Embarcadero and Vallejo Street. | Comment | |||
| CAS-BOT-BC89180 | Lepidium draba | John Thomas Howell | 1956-4-29 | 31303 | San Francisco | San Francisco. Front and Vallejo streets. | Comment | |||
| CAS-BOT-BC89181 | Lepidium draba | John Thomas Howell | 1956-7-1 | 31642 | San Francisco | San Francisco. Front and Vallejo streets. | Comment | |||
| CAS-BOT-BC90437 | Artemisia douglasiana | John Thomas Howell | 1957-11-3 | 33009 | San Francisco | Along railroad tracks, Embarcadero at Front Street | Comment | |||
| CAS-BOT-BC93672 | Artemisia pycnocephala | John Thomas Howell | 1927-3-18 | 2287 | San Francisco | Summit of Lone Mountain, San Francisco | 121 | Comment | ||
| CAS-BOT-BC93673 | Artemisia pycnocephala | John Thomas Howell | 1956-9-9 | 31857 | San Francisco | Sandy bluffs, se. end of Lake Merced - San Francisco | Comment | |||
| CAS-BOT-BC97771 | Symphyotrichum chilense | John Thomas Howell | 1957-8-13 | 32894 | San Francisco | Near Kezar Stadium, Golden Gate Park | Comment | |||
| CAS-BOT-BC98369 | Symphyotrichum subulatum var. parviflorum | John Thomas Howell | 1956-10-21 | 31920 | San Francisco | Islais Creek near Third St. | Comment | |||
| CAS-BOT-BC99455 | Baccharis pilularis | John Thomas Howell | 1967-6-29 | 42742 | San Francisco | on site of former home of Mrs. Van Horn Lansdale, Broadway & Webster St., San Francisco | Comment | |||
| CDA2983 | Chenopodium album var. album | J. T. Howell | 1957-7-28 | 32828 | San Francisco | Third and Davidson Streets, San Francisco. | 0 | Comment | ||
| CDA2985 | Chenopodium album var. lanceolatum | J. T. Howell | 1957-6-16 | 32661 | San Francisco | Central Western; San Francisco Bay Area region; Third and Davidson streets, San Francisco. | 0 | Comment | ||
| CDA3029 | Chenopodium berlandieri var. zschackei | J. T. Howell | 1957-6-16 | 32664 | San Francisco | Central Western; San Francisco Bay Area region; Third and Davidson streets, San Francisco. | 0 | Comment | ||
| CDA3061 | Chenopodium ambrosioides | J. T. Howell | 1956-10-28 | 31934 | San Francisco | Mountain Lake, Presidio, San Francisco. | 0 | Comment | ||
| CDA3120 | Chenopodium multifidum | J. T. Howell | 1956-11-4 | 31950 | San Francisco | East end of Army Street, San Francisco. | 0 | Comment | ||
| CDA3322 | Phytolacca heterotepala | J. T. Howell | 1959-8-28 | 34602 | San Francisco | Geary Street between Gough and Franklin Streets, San Francisco. | 0 | Comment | ||
| CDA3849 | Sisymbrium orientale | J. T. Howell | 1940-5-27 | San Francisco | Masonic Avenue near Geary Street, San Francisco. | 0 | Comment | |||
| CDA3851 | Sisymbrium orientale | J. T. Howell | 1946-5-11 | 21759 | San Francisco | Duboce and Market Streets, San Francisco. | 0 | Comment | ||
| CDA40350 | Phacelia californica | J. T. Howell | 1929-6-16 | 4311 | San Francisco | Near Point Lobos, San Francisco. | 0 | Comment | ||
| CDA4284 | Trifolium fragiferum | J. T. Howell | 1978-5-25 | 52985 | San Francisco | West side of Van Ness Avenue between Hayes and Grove Streets, San Francisco. | 0 | Comment | ||
| CDA4818 | Euphorbia helioscopia | J. T. Howell | 1946-4-5 | 21595 | San Francisco | Southeast slope of Twin Peaks, San Francisco. | 0 | Comment | ||
| CDA4997 | Lavatera cretica | J. T. Howell | 1940-5-21 | San Francisco | On the Marina, San Francisco. | 0 | Comment | |||
| CDA5040 | Malva nicaeensis | J. T. Howell | 1946-5-16 | 21900 | San Francisco | Van Ness Avenue at Fort Mason, San Francisco. | 0 | Comment | ||
| CDA5205 | Oenothera rosea | J. T. Howell | 1958-5-7 | 33024 | San Francisco | On Greenich Street between Polk and Larkin Streets, Russian Hill, San Francisco. | 0 | Comment | ||
| CDA5928 | Solanum furcatum | J. T. Howell | 1969-7-2 | 45872 | San Francisco | North slope of Russian Hill along Hyde Street, San Francisco. | 0 | Comment | ||
| CDA5929 | Solanum furcatum | J. T. Howell | 1974-7-28 | 50611 | San Francisco | Corner of Gough & McAllister Streets, San Francisco. | 0 | Comment | ||
| CDA6037 | Gnaphalium luteoalbum | J. T. Howell | 1943-6-29 | 18243 | San Francisco | Concert Valley, Golden Gate Park. | 0 | Comment | ||
| CDA6038 | Gnaphalium luteoalbum | J. T. Howell | 1943-6-29 | 18243 | San Francisco | Concert Valley, Golden Gate Park. | 0 | Comment | ||
| CDA6238 | Solanum nigrum | J. T. Howell | 1976-2-2 | 51513 | San Francisco | Golden Gate Park, San Francisco, northeast corner of California Academy. | 0 | Comment | ||
| CDA6615 | Plantago major | J. T. Howell | 1969-7-6 | 45867 | San Francisco | Fort Mason, San Francisco. | 0 | Comment | ||
| CDA6873 | Carduus pycnocephalus | J. T. Howell | 1940-5-21 | 1 | San Francisco | On the Marina, San Francisco. | 0 | Comment | ||
| CDA7457 | Conyza sumatrensis | J. T. Howell | 1975-9-1 | 51506 | San Francisco | Main Street between Market and Mission Streets, San Francisco. | 0 | Comment | ||
| CDA7479 | Cotula australis | J. T. Howell | 1958-5-17 | 33029 | San Francisco | Golden Gate Park, San Francisco, east of Band Concourse. | 0 | Comment | ||
| JEPS38182 | Matricaria occidentalis | John Thomas Howell | 1957-6-16 | 32655 | San Francisco | Third and Davidson Streets San Francisco | Comment | |||
| JEPS3930 | Pseudognaphalium luteoalbum | John Thomas Howell | 1943-6-29 | 18243 | San Francisco | Concert Valley San Francisco, Golden Gate Park, Concert Valley | Comment | |||
| JEPS50088 | Lavatera cretica | John Thomas Howell | 1940-6-4 | San Francisco | San Francisco , on the Marina (on the Marina) | Comment | ||||
| JEPS58981 | Grindelia ciliata | John Thomas Howell | 1956-9-30 | 31901 | San Francisco | near Mariposa Street (Waterfront Street); San Francisco | Comment | |||
| JEPS59023 | Cotula australis | John Thomas Howell | 1958-5-17 | 33029 | San Francisco | East of Band Concourse, Golden Gate Park, San Francisco | Comment | |||
| JEPS59102 | Carduus pycnocephalus subsp. pycnocephalus | J. Thomas Howell | 1940-6-4 | San Francisco | on the marina, San Francisco San Francisco Marina | Comment | ||||
| NY37723 | Clarkia franciscana | J. T. Howell | 1956-7-2 | 31668 | San Francisco | 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 | |||
| POM203652 | Horkelia californica | J. T. Howell | 1933-7-9 | 11437 | San Francisco | Hills S of Visitacion Valley, San Francisco | Comment | |||
| POM203658 | Microseris lindleyi | J. T. Howell | 1933-5-23 | 11328 | San Francisco | West of Sutro Forest | Comment | |||
| POM204451 | Malva sylvestris | J. T. Howell | 1933-5-25 | 11341 | San Francisco | The marina | Comment | |||
| POM225837 | Cirsium occidentale var. occidentale | J. T. Howell | 1932-11-18 | 10863 | San Francisco | Between Fort Point and Lobos Creek, Presidio, San Francisco | Comment | |||
| POM226103 | Cryptantha leiocarpa | J. T. Howell | 1933-5-7 | 11219 | San Francisco | Above Marine Hospital, Presidio, San Francisco. | Comment Read comments Sep 7 2010 |
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| POM226234 | Heterotheca sessiliflora var. bolanderioides | J. T. Howell | 1933-7-9 | 11435 | San Francisco | Hills S of Visitacion Valley, San Francisco | Comment | |||
| POM230039 | Sisymbrium orientale | J. T. Howell | 1937-8-13 | s.n. | San Francisco | San Francisco on Masonic Ave at Geary. | Comment | |||
| POM260397 | Sisymbrium orientale | J. T. Howell | 1940-5-27 | s.n. | San Francisco | Masonic Ave, near Geary St. | Comment | |||
| POM273082 | Euphorbia helioscopia | J. T. Howell | 1946-4-5 | 21595 | San Francisco | Deserted vegetable garden, SE slope of Twin Peaks | Comment | |||
| POM273084 | Malva nicaeensis | J. T. Howell | 1946-5-16 | 21900 | San Francisco | weed of waste ground, Van Ness Ave at Fort Mason | Comment | |||
| POM273986 | Sisymbrium orientale | J. T. Howell | 1946-5-11 | 21759 | San Francisco | Duboce and Market streets, San Francisco. | Comment | |||
| POM302994 | Castilleja affinis | J. T. Howell | 1933-5-23 | 11325 | San Francisco | West of Sutro Forest. | Comment | |||
| POM303618 | Gnaphalium luteoalbum | J. T. Howell | 1943-6-29 | 18243 | San Francisco | Concert Valley, Golden Gate Park | Comment | |||
| RSA0008535 | Lessingia germanorum | John T. Howell | 1931-9-29 | 8126 | San Francisco | Presidio, San Francisco. | Comment | |||
| RSA0026051 | Mirabilis jalapa | J. T. Howell | 1957-10-3 | 32983 | San Francisco | North base of Lone Mountain. | Comment | |||
| RSA0028825 | Conicosia elongata | J. T. Howell | 1943-10-30 | 19337 | San Francisco | East of Lake Merced | 15 | Comment | ||
| RSA0059780 | Convolvulus subacaulis | John Thomas Howell | 1937-5-23 | 13001 | San Francisco | Presidio, San Francisco. | Comment | |||
| RSA0060026 | Clarkia franciscana | J. T. Howell | 1956-7-2 | s.n. | San Francisco | Presidio. | Comment | |||
| RSA0070928 | Orobanche robbinsii | John Thomas Howell | 1930-9-7 | 5460 | San Francisco | Land's End, San Francisco. | Comment | |||
| RSA0079899 | Carex brevicaulis | John Thomas Howell | 1938-4-12 | 13766 | San Francisco | Lake Merced, San Francisco. | Comment | |||
| RSA0089721 | Amsinckia | J. T. Howell | 1933-5-16 | 11294 | San Francisco | Golden Gate Park. | Comment | |||
| RSA0091067 | Amsinckia spectabilis var. spectabilis | J. T. Howell | 1933-5-5 | 11209 | San Francisco | Presidio, San Francisco. | Comment | |||
| RSA0096945 | Dichondra donelliana | J. T. Howell | 1957-5-22 | 32393 | San Francisco | Bayview Hills. | Comment | |||
| RSA0097319 | Paronychia franciscana | J. T. Howell | 1957-10-6 | 32992 | San Francisco | Bernal Heights, San Francisco. | Comment | |||
| RSA0097865 | Spergularia bocconi | J. T. Howell | 1956-4-22 | 31252 | San Francisco | Aquatic Park, San Francisco. | Comment | |||
| RSA127307 | Cirsium vulgare | J. T. Howell | 1956-8-19 | 31781 | San Francisco | Third Street near Paul Ave. | Comment | |||
| RSA128334 | Bromus stamineus | J. T. Howell | 1952-6-2 | 28319 | San Francisco | California St. near Presidio Av., San Francisco. | Comment | |||
| RSA133281 | Bassia hyssopifolia | J. T. Howell | 1958-6-26 | 7279 | San Francisco | Vacant lot at intersection of Davidson Ave. and 3rd St. Alt.; San Francisco. | 0 | Comment | ||
| RSA201396 | Phytolacca heterotepala | J. T. Howell | 1959-8-28 | 34602 | San Francisco | Vacant lot, Geary Street between Gough and Franklin Streets, San Francisco. | Comment | |||
| RSA201410 | Amsinckia intermedia | J. T. Howell | 1933-5-3 | 11207 | San Francisco | Visitation Valley. | Comment | |||
| RSA201411 | Chenopodium album | J. T. Howell | 1956-10-28 | 31932 | San Francisco | Mountain Lake, Presidio; San Francisco. | Comment | |||
| RSA201413 | Phalaris aquatica | J. T. Howell | 1959-8-31 | 34603 | San Francisco | Lombard and divisidero streets | Comment | |||
| RSA201414 | Polygonum aviculare subsp. aviculare | J. T. Howell | 1957-6-16 | 32667 | San Francisco | Third and Davidson streets. | Comment | |||
| RSA201430 | Conyza bilbaoana | J. T. Howell | 1956-10-21 | 31923 | San Francisco | Waste ground along Islais Creek, E of Third Street | Comment | |||
| RSA201472 | Matricaria occidentalis | J. T. Howell | 1957-6-16 | 32655 | San Francisco | Third and Davidson streets. | Comment | |||
| RSA209481 | Epilobium brachycarpum | J. T. Howell | 1956-8-19 | 31778 | San Francisco | Waterfront St. near Mission Rock Terminal, San Francisco. | Comment | |||
| RSA209518 | Epilobium brachycarpum | J. T. Howell | 1956-8-19 | 31783 | San Francisco | Third St near Paul Ave. | Comment | |||
| RSA209842 | Epilobium brachycarpum | J. T. Howell | 1956-9-2 | 31829 | San Francisco | Northeast end of Lake Merced. | Comment | |||
| RSA215885 | Ambrosia psilostachya | J. T. Howell | 1956-8-19 | 31776 | San Francisco | Waterfront St. near Mission Rock Terminal, San Francisco. | Comment | |||
| RSA215887 | Trifolium macraei | J. T. Howell | 6890 | San Francisco | Southwestern part of Lake Merced. | Comment | ||||
| RSA215892 | Trifolium bifidum var. decipiens | J. T. Howell | 1957-5-22 | 32403 | San Francisco | North side of Bayview Hills. | Comment | |||
| RSA215896 | Polygonum argyrocoleon | J. T. Howell | 1957-6-16 | 32640 | San Francisco | Third and Davidson streets. | Comment | |||
| RSA215897 | Artemisia douglasiana | J. T. Howell | 1957-11-13 | 33009 | San Francisco | Along railroad tracks, Embarcadero at Front Street | Comment | |||
| RSA215901 | Azolla filiculoides | John Thomas Howell | 1956-8-26 | 31805 | San Francisco | Pine Lake, San Francisco | Comment | |||
| RSA215907 | Crassula connata | J. T. Howell | 1957-5-28 | s.n. | San Francisco | W side of Lone Mountain. | Comment | |||
| RSA215910 | Equisetum X ferrissii | J. T. Howell | 1956-4-22 | 31291 | San Francisco | Between Larkin and Hyde Streets on Bay Street. | Comment | |||
| RSA215916 | Sagina quitensis | J. T. Howell | 1954-5-4 | 29195 -A | San Francisco | Polk Street at Filbert Street, San Francisco. | Comment | |||
| RSA215917 | Helianthus annuus subsp. lenticularis | J. T. Howell | 1957-9-22 | 32969 | San Francisco | In waste ground, north base of Telegraph Hill, San Francscio. | Comment | |||
| RSA215930 | Sagina maxima subsp. crassicaulis | J. T. Howell | 1957-6-8 | 32571 | San Francisco | San Francisco County: Golden Gate Park on cross park blvd | Comment | |||
| RSA215934 | Polygonum punctatum | J. T. Howell | 1956-8-26 | 31799 | San Francisco | Shallow water of Pine Lake | Comment | |||
| RSA215935 | Polygonum persicaria | J. T. Howell | 1956-10-21 | 31924 | San Francisco | Waste ground along Islais Creek, E of Third Street | Comment | |||
| RSA215938 | Trifolium fucatum var. fucatum | J. T. Howell | 1957-5-6 | s.n. | San Francisco | Hunters Point, San Francisco | Comment | |||
| RSA215946 | Cynodon dactylon | J. T. Howell | 1956-11-4 | s.n. | San Francisco | Waterfront | Comment | |||
| RSA215949 | Amaranthus retroflexus | J. T. Howell | 1957-7-28 | 32836 | San Francisco | Third and Davidson Streets, San Francisco. | Comment | |||
| RSA215952 | Amaranthus hybridus | J. T. Howell | 1957-9-22 | 32972 | San Francisco | Embarcadero at Montgomery St. | Comment | |||
| RSA215962 | Amaranthus powellii | J. T. Howell | 1957-7-28 | 32837 | San Francisco | Third and Davidson Streets, San Francisco. | Comment | |||
| RSA215963 | Amaranthus albus | J. T. Howell | 1956-7-1 | 31653 | San Francisco | Embarcadero and Vallejo Street | Comment | |||
| RSA215968 | Sonchus oleraceus | J. T. Howell | 1957-6-16 | 32668 | San Francisco | Third and Davidson streets. | Comment | |||
| RSA215972 | Atriplex rosea | J. T. Howell | 1957-7-28 | s.n. | San Francisco | Third and Davidson Streets, San Francisco. | Comment | |||
| RSA215974 | Leontodon nudicaulis | J. T. Howell | 1957-7-18 | 32816 | San Francisco | Palace of Honor, Lincoln Park, San Francisco. | Comment | |||
| RSA215980 | Limonium otolepis | J. T. Howell | 1957-6-16 | 32628 | San Francisco | Salt marsh, E end of Marin street. | Comment | |||
| RSA215987 | Microseris bigelovii | J. T. Howell | 1956-5-6 | 31348 | San Francisco | Sierra and 22nd streets, San Francisco | Comment | |||
| RSA216120 | Potamogeton foliosus | J. T. Howell | 1957-8-15 | 32894 a | San Francisco | Ponds in strybing Arboretum, Golden Gate Park, San Francisco County | Comment | |||
| RSA216132 | Elodea canadensis | J. T. Howell | 1956-9-9 | 31870 | San Francisco | West end of north arm of Lake Merced | Comment | |||
| RSA216142 | Atriplex subspicata | J. T. Howell | 1956-11-4 | 31953 | San Francisco | Salt marsh, east end of Marin Street. | Comment | |||
| RSA216152 | Eleocharis palustris | J. T. Howell | 1956-10-28 | 31946 | San Francisco | Mountain Lake, Presidio; San Francisco. | Comment | |||
| RSA216189 | Selaginella kraussiana | John Thomas Howell | 1969-7-6 | 45866 | San Francisco | Fort Mason, San Francisco. | Comment Read comments Jun 10 2012 |
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| RSA217933 | Erodium moschatum | J. T. Howell | 1957-11-3 | 33007 | San Francisco | Waste ground, Embarcadero at Front Street, San Francisco. | Comment | |||
| RSA217953 | Malva parviflora | J. T. Howell | 1957-6-16 | 32636 | San Francisco | Third and Davidson streets. | Comment | |||
| RSA217954 | Lycopersicon esculentum | J. T. Howell | 1956-9-30 | 31899 | San Francisco | Waterfront St., near Mission Rock Terminal, San Francisco. | Comment | |||
| RSA217960 | Lamium amplexicaule | J. T. Howell | 1957-7-16 | 32089 | San Francisco | Pine Street and Presidio Avenue, San Francisco. | Comment | |||
| RSA217966 | Beta vulgaris | J. T. Howell | 1956-10-21 | 31913 | San Francisco | Area bordering bay just N of Bayview Hills. | Comment | |||
| RSA217971 | Atriplex semibaccata | J. T. Howell | 1957-7-28 | 32842 | San Francisco | Third and Davidson Streets, San Francisco. | Comment | |||
| RSA217972 | Bassia hyssopifolia | J. T. Howell | 1956-6-3 | 31466 | San Francisco | Waste ground at east end of Shafter Street, S of Hunters Point, San Francisco. | Comment | |||
| RSA217976 | Atriplex serenana | J. T. Howell | 1957-7-28 | 32849 | San Francisco | Third and Davidson Streets, San Francisco. | Comment | |||
| RSA218002 | Lotus heermannii | J. T. Howell | 1956-9-9 | 31854 | San Francisco | SE end of Lake Merced. | Comment | |||
| RSA218003 | Lotus corniculatus | J. T. Howell | 1956-7-1 | 31636 | San Francisco | Embarcadero and Front Street. | Comment | |||
| RSA218008 | Vicia angustifolia | J. T. Howell | 1956-4-22 | 31263 | San Francisco | San Francisco. Waste ground near Fishermans Wharf. | Comment | |||
| RSA218011 | Tetragonia tetragonoides | J. T. Howell | 1956-5-6 | 31354 | San Francisco | Sierra and Missouri streets | Comment | |||
| RSA219983 | Cichorium endivia | J. T. Howell | 1956-9-30 | 31891 | San Francisco | Waste ground at Vallejo and Front Streets, San Francisco | Comment | |||
| RSA219995 | Lactuca serriola | J. T. Howell | 1956-8-19 | 31775 | San Francisco | Waterfront St. near Mission Rock Terminal, San Francisco. | Comment | |||
| RSA219997 | Lactuca serriola | J. T. Howell | 1956-7-15 | 31684 | San Francisco | Waterfront Street, near Mission Rock Terminal, San Francisco. | Comment | |||
| RSA220000 | Centaurea diluta | J. T. Howell | 1956-8-19 | 31782 | San Francisco | Third St near Paul Ave. | Comment | |||
| RSA220023 | Medicago polymorpha | J. T. Howell | 31255 | San Francisco | Aquatic Park | Comment | ||||
| RSA220030 | Medicago polymorpha | J. T. Howell | 1957-7-28 | 32846 | San Francisco | Third and Davidson Streets, San Francisco. | Comment | |||
| RSA220035 | Melilotus officinalis | J. T. Howell | 1956-4-22 | 31266 | San Francisco | Embarcadero and Powell Street. | Comment | |||
| RSA220041 | Conyza canadensis | J. T. Howell | 1956-8-19 | 31777 | San Francisco | Waterfront St. near Mission Rock Terminal, San Francisco. | Comment | |||
| RSA220043 | Erigeron bonariensis | J. T. Howell | 1957-6-30 | s.n. | San Francisco | Potrero Avenue and Army St., near Islais Creek, San Francisco | Comment | |||
| RSA220044 | Ageratina adenophora | John T. Howell | 1956-4-22 | 31251 | San Francisco | Polk street near Filbert street | Comment | |||
| RSA220073 | Cichorium intybus | J. T. Howell | 1956-11-4 | 31951 | San Francisco | Waste ground, east end of Army Street, San Francisco | Comment | |||
| RSA220080 | Madia gracilis | J. T. Howell | 1957-6-16 | 32665 | San Francisco | Third and Davidson streets. | Comment | |||
| RSA223357 | Kochia scoparia | J. T. Howell | 1956-9-30 | 31898 | San Francisco | Waterfront St., near Mission Rock Terminal, San Francisco. | Comment | |||
| RSA223368 | Salicornia virginica | J. T. Howell | 1956-9-30 | 31908 | San Francisco | Salt marsh at east end of Marin Street. San Francisco. | Comment | |||
| RSA223378 | Sherardia arvensis | J. T. Howell | 1956-7-29 | 31728 | San Francisco | McLaren Park. | Comment | |||
| RSA223600 | Gnaphalium microcephalum | J. T. Howell | 1956-9-9 | 31855 | San Francisco | SE end of Lake Merced, San Francisco. | Comment | |||
| RSA223603 | Gnaphalium ramosissimum | J. T. Howell | 1956-9-2 | 31832 | San Francisco | Northeast end of Lake Merced. | Comment | |||
| RSA223612 | Carduus pycnocephalus | J. T. Howell | 1956-4-22 | 31274 | San Francisco | Base of north cliffs of Telegraph Hill, San Francisco | Comment | |||
| RSA223614 | Aesculus californica | J. T. Howell | 1957-7-28 | 32822 | San Francisco | 23rd Street station of southern pacific, San Francisco. | Comment Read comments Dec 1 2011 |
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| RSA223621 | Trifolium microdon | J. T. Howell | 32532 | San Francisco | North side of Lone Mountain | Comment | ||||
| RSA223630 | Linum usitatissimum | J. T. Howell | 1956-4-29 | 31306 | San Francisco | Embarcadero at First and Townsend Streets. | Comment | |||
| RSA223636 | Hypericum perforatum | J. T. Howell | 1956-6-3 | 31460 | San Francisco | Embarcadero and Front Street | Comment | |||
| RSA223640 | Hordeum murinum subsp. glaucum | J. T. Howell | 1956-8-4 | 31744 | San Francisco | S. Van Ness Ave. at Market St. | Comment | |||
| RSA223642 | Myriophyllum sibiricum | J. T. Howell | 1956-9-2 | s.n. | San Francisco | Northeast end of Lake Merced. | Comment | |||
| RSA223652 | Ambrosia confertiflora | Donna Howell | 1956-11-4 | 31948 | San Francisco | Waste ground, Waterfront Street, near Mission Rock, Terminal. | Comment | |||
| RSA223676 | Chamaesyce maculata | J. T. Howell | 1956-7-1 | 31641 | San Francisco | Front and Vallejo Streets. | Comment | |||
| RSA223677 | Anthriscus caucalis | J. T. Howell | 1957-6-17 | 32689 | San Francisco | Presidio, along south wall | Comment | |||
| RSA223679 | Brassica rapa | J. T. Howell | 1956-5-12 | 31370 | San Francisco | Marin St., near Third, San Francisco. | Comment | |||
| RSA223680 | Lepidium virginicum | J. T. Howell | 1956-10-28 | 31936 | San Francisco | Mountain Lake, Presidio; San Francisco. | Comment | |||
| RSA223682 | Oxalis incarnata | J. T. Howell | 1956-4-29 | 31314 | San Francisco | Garden escape along Montgomery St at Montague St, Telegraph hill. | Comment | |||
| RSA223683 | Oxalis rubra | J. T. Howell | 1956-7-15 | 31675 | San Francisco | Stewart Street and Embarcadero, San Francisco | Comment | |||
| RSA223684 | Oxalis corniculata | J. T. Howell | 1957-8-4 | 32853 | San Francisco | San Francisco. East end of Golden Gate Park. | Comment | |||
| RSA223685 | Descurainia sophia | J. T. Howell | 1957-6-16 | 32633 | San Francisco | Third and Davidson streets. | Comment | |||
| RSA223687 | Brassica oleracea | J. T. Howell | 1957-6-16 | 32656 | San Francisco | Third and Davidson streets. | Comment | |||
| RSA223688 | Sisymbrium orientale | J. T. Howell | 1957-6-16 | 32631 | San Francisco | Third and Davidson streets. | Comment | |||
| RSA224253 | Schoenoplectus californicus | J. T. Howell | 1956-8-26 | 31802 | San Francisco | Pine Lake, San Francisco | Comment | |||
| RSA224287 | Phacelia humilis var. humilis | J. T. Howell | 1956-7-15 | 31677 | San Francisco | Waterfront Street, near Mission Rock Terminal, San Francisco. | Comment | |||
| RSA224297 | Claytonia perfoliata | J. T. Howell | 1956-5-6 | 31357 | San Francisco | Sierra and Missouri streets | Comment | |||
| RSA224298 | Claytonia perfoliata | J. T. Howell | 1957-5-6 | 32188 | San Francisco | Evans Street, Hunters Point | Comment | |||
| RSA224305 | Parietaria judaica | J. T. Howell | 1956-4-22 | 31256 | San Francisco | San Francisco. Waste ground near Fisherman's Wharf. | Comment | |||
| RSA224306 | Parietaria judaica | J. T. Howell | 1956-7-1 | 31632 | San Francisco | City of San Francisco. Bay Street near Columbus Avenue. | Comment | |||
| RSA224308 | Urtica dioica subsp. holosericea | J. T. Howell | 1956-10-28 | 31939 | San Francisco | Mountain Lake, Presidio; San Francisco. | Comment | |||
| RSA224313 | Lupinus polycarpus | J. T. Howell | 1956-4-22 | 31287 | San Francisco | Embarcadero at Vallejo St. | Comment | |||
| RSA224314 | Lupinus variicolor | J. T. Howell | 1957-5-5 | 32179 | San Francisco | Sierra and 22nd Sts. | Comment | |||
| RSA224335 | Amaranthus powellii | J. T. Howell | 1957-6-16 | 32652 | San Francisco | Third and Davidson streets. | Comment | |||
| RSA244731 | Tanacetum camphoratum | J. T. Howell | 1972-9-6 | s.n. | San Francisco | Just S of the Cliff House. San Francisco. | Comment | |||
| RSA26555 | Phacelia distans | J. T. Howell | 1929-6-16 | 4310 | San Francisco | Near Lincoln Park, San Francisco. | Comment | |||
| RSA26562 | Phacelia distans | J. T. Howell | 1925-4-18 | 963 | San Francisco | Between Land s End and Cliff House. | Comment | |||
| RSA32132 | Euphorbia helioscopia | J. T. Howell | 1946-4-5 | 21595 | San Francisco | Twin Peaks. | Comment | |||
| RSA40166 | Gnaphalium luteoalbum | J. T. Howell | 1943-6-29 | 18243 | San Francisco | Concert Valley, Golden Gate Park | Comment | |||
| RSA54047 | Poa trivialis | J. T. Howell | 1948-5-7 | 24296 | San Francisco | Jackson St. | Comment | |||
| RSA551256 | Conyza floribunda | J. T. Howell | 1989-11-14 | s.n. | San Francisco | Geary and 24th Ave, Weed next to gas station | Comment | |||
| RSA75939 | Phacelia malvifolia | J. T. Howell | 1929-6-16 | 4312 | San Francisco | Near Point Lobos. | Comment | |||
| RSA7690 | Lavatera cretica | J. T. Howell | 1953-5-25 | 11342 | San Francisco | The marina | Comment Read comments Jul 29 2013 |
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| RSA77185 | Malva nicaeensis | J. T. Howell | 1946-5-16 | 21900 | San Francisco | weed of waste ground, Van Ness Ave at Fort Mason | Comment | |||
| RSA88377 | Bromus stamineus | J. T. Howell | 1953-6-2 | 29056 | San Francisco | Jackson Street, San Francisco | Comment | |||
| RSA93011 | Lasthenia californica | J. T. Howell | 1933-5-24 | 11340 | San Francisco | Point Lobos, San Francisco. | Comment | |||
| RSA94924 | Cirsium andrewsii | J. T. Howell | 1933-7-9 | 11424 | San Francisco | Lake Merced | Comment | |||
| RSA97601 | Bromus maritimus | J. T. Howell | 1946-5-2 | 21698 | San Francisco | Sunset Heights | Comment | |||
| SBBG115729 | Trifolium fragiferum | J. T. Howell | 1978-5-25 | San Francisco | W side of Van Ness Ave between Hayes and Grove Sts, San Francisco | Comment | ||||
| SBBG28767 | Cryptantha leiocarpa | J. T. Howell | 1933-5-7 | 11219 | San Francisco | above Marine Hospital, Presidio, San Francisco | Comment | |||
| SBBG29149 | Persicaria lapathifolia | J. T. Howell | 1931-9-29 | 8125 | San Francisco | highwater mark of Mtn Lake, Presidio, San Francisco | Comment | |||
| SBBG29845 | Sisymbrium orientale | J. T. Howell | 1946-5-11 | 21759 | San Francisco | Duboce and Market Streets, San Francisco | Comment | |||
| SBBG29868 | Sisymbrium orientale | J. T. Howell | 1940-5-27 | San Francisco | Masonic Ave and Geary St, San Francisco | Comment | ||||
| SBBG29991 | Malva pseudolavatera | J. T. Howell | 1933-5-25 | 11342 | San Francisco | The Marina | Comment | |||
| SBBG30045 | Malva nicaeensis | J. T. Howell | 1946-5-16 | 21900 | San Francisco | Van Ness Avenue at Fort Mason, San Francisco | Comment | |||
| SBBG39712 | Amsinckia intermedia | J. T. Howell | 1933-5-3 | 11207 | San Francisco | Visitacion Valley, San Francisco | Comment | |||
| SD71026 | Matricaria occidentalis | John Thomas Howell | 1957-6-16 | 32655 | San Francisco | Third and Davidson streets, San Francisco | Comment | |||
| SD71032 | Erigeron sumatrensis | John Thomas Howell | 1956-10-21 | 31923 | San Francisco | San Francisco, waste ground along Islais Creek, east of third street | Comment | |||
| SD71049 | Phytolacca heterotepala | John Thomas Howell | 1959-8-28 | 34602 | San Francisco | Geary Street between Gough and Franklin streets, San Francisco. | Comment | |||
| SD71396 | Amsinckia intermedia | John Thomas Howell | 1933-5-3 | 11207 | San Francisco | San Francisco, Visitacion | Comment | |||
| SD71431 | Chenopodium album | John Thomas Howell | 1956-10-28 | San Francisco | Presidio: mountain lake; high water line on sandy beach. | Comment | ||||
| SEINET10486151 | Lupinus polycarpus | John Thomas Howell | 1957-5-5 | Howell 32176 | San Francisco | Serpentine slope, sierra and 22nd streets. San francisco. | Comment | |||
| SEINET10520185 | Bromus carinatus | John Thomas Howell | 1963-5-12 | Howell 39264 | San Francisco | Sidewald weed, Steiner St. near Vallejo St. | Comment | |||
| SEINET10605894 | Bromus stamineus | John Thomas Howell | 1957-5-5 | Howell 32170 | San Francisco | 22nd and Indiana waste. | Comment | |||
| SEINET10649721 | Carex densa | John Thomas Howell | 1957-5-17 | Howell 32270 | San Francisco | Bayview Hills. | Comment | |||
| SEINET10750020 | Carex subbracteata | John Thomas Howell | 1957-5-28 | Howell 32516 | San Francisco | Northwest side of Lone Mt. (Cited: Fl. S.F., p. 46.) | Comment | |||
| SEINET10752418 | Carex brevicaulis | John Thomas Howell | 1956-6-10 | Howell 31549 | San Francisco | North slope of Bay View Hills. | Comment | |||
| SEINET10870952 | Lupinus arboreus | John Thomas Howell | 1956-9-2 | Howell 31840 | San Francisco | Ne end of lake merced | Comment | |||
| SEINET10903513 | Lupinus variicolor | John Thomas Howell | 1956-6-5 | Howell 31497 | San Francisco | North slope of bayview hills. | Comment | |||
| SEINET12519215 | Amsinckia kelloggii | John T. Howell | 1933-1 | 11209 | San Francisco | Presidio | Comment | |||
| SEINET12564281 | Oenothera rosea | John Thomas Howell | 1958-1 | 33024 | San Francisco | On Greenich St. between Polk & Larkin Streets. Russian Hill. | Comment | |||
| SEINET3916093 | Agrostis avenacea | John Thomas Howell | 1957-6-16 | 32643 | San Francisco | San Francisco. Third and Davidson streets.; 0 | Comment | |||
| SEINET3916278 | Agrostis exarata var. pacifica | John Thomas Howell | 1957-6-11 | 32587 | San Francisco | San Francisco. North slope of Lone Mt.; 0 | Comment | |||
| SEINET3923306 | Bromus stamineus | John Thomas Howell | 1957-6-11 | 32580 | San Francisco | North slope of Lone Mountain.; 0 | Comment | |||
| SEINET5337059 | Polycarpon tetraphyllum | J. T. Howell | 1975-10-17 | s.n. | San Francisco | San Francisco | Comment | |||
SEINET5507050  |
Cirsium andrewsii | John Thomas Howell | 1933-7-9 | 11424 | San Francisco | Lake Merced, San Francisco | Comment | |||
| SEINET7248018 | Malva pseudolavatera | John Thomas Howell | 1945-1 | 20913 A | San Francisco | Cf. Leafl. West. Bot. 1:173, Strybing Arboretum, Golden Gate Park. | Comment | |||
| SEINET7552667 |
Carex brevicaulis | John Thomas Howell | 1938-4-12 | s.n. | San Francisco | Lake Merced; San Francisco | Comment | |||
| SEINET7552669 |
Carex brevicaulis | John Thomas Howell | 1956-6-10 | s.n. | San Francisco | North Slope of Bay View Hills | Comment | |||
SEINET7836945  |
Conyza floribunda | J. T. Howell | 1975-9-10 | 51506 | San Francisco | Main St. between Mission and Market streets, San Francisco | Comment | |||
| UC473577 | Polygonum lapathifolium | John Thomas Howell | 1931-9-29 | 8125 | San Francisco | Mountain Lake San Francisco, Presidio (along highwater mark) | Comment | |||
| UC517462 | Cryptantha leiocarpa | John Thomas Howell | 1933-5-7 | 11219 | San Francisco | above Marine Hospital; Presidio | Comment | |||
| UC517477 | Lavatera cretica | John Thomas Howell | 1933-5-25 | 11342 | San Francisco | The Marina San Francisco (San Francisco); , The Marina | Comment | |||
| UC517478 | Malva sylvestris | John Thomas Howell | 1933-5-25 | 11341 | San Francisco | San Francisco, The Marina San Francisco; , The Marina | Comment | |||
| UC710602 | Pseudognaphalium luteoalbum | John Thomas Howell | 1943-6-29 | 18243 | San Francisco | Concert Valley Golden Gate Park, Concert Valley | Comment | |||
| UCD115561 | Sisymbrium irio | John Thomas Howell | 1981-3-8 | 53931 | San Francisco | at site of former airport bus depot adjacent to Hilton Hotel, corner of O'Farrell and Taylor Streets in San Francisco. | Comment | |||
| UCD115608 | Sisymbrium orientale | John Thomas Howell | 1940-5-27 | s.n. | San Francisco | Masonic Avenue, Geary Boulevard in San Francisco. | Comment | |||
| UCD115609 | Sisymbrium orientale | John Thomas Howell | 1946-5-11 | 21759 | San Francisco | Duboce and Market streets in San Francisco. | Comment | |||
| UCD115858 | Lepidium pinnatifidum | John Thomas Howell | 1956-6-3 | 31465 | San Francisco | Embarcadero and Townsend St. | Comment | |||
| UCD116482 | Reseda alba | John Thomas Howell | 1957-5-5 | 32158 | San Francisco | 6th and Harrison Streets. | Comment | |||
| UCD116599 | Malva nicaeensis | John Thomas Howell | 1946-5-16 | 21900 | San Francisco | Van Ness Avenue at Fort Mason, San Francisco. | Comment | |||
| UCD118928 | Amsinckia davyi | John Thomas Howell | 1933-5-16 | 11294 | San Francisco | Golden Gate Park, San Francisco. | Comment | |||
| UCD121913 | Galium saxatile | John Thomas Howell | 1960-7-7 | 35483 | San Francisco | California Historical Society Headquarters, 2090 Jackson St. | Comment | |||
| UCD124394 | Plantago coronopus | John Thomas Howell | 1956-4-22 | 31290 | San Francisco | San Francisco. Embarcadero at Vallejo Street. | Comment | |||
| UCD126845 | Solanum furcatum | John Thomas Howell | 1974-7-28 | 50611 | San Francisco | at building project, corner of Gough and McAllister streets, San Francisco. | Comment | |||
| UCD131894 | Erigeron floribundus | John Thomas Howell | 1956-10-21 | 31923 | San Francisco | along Islais Creek, east of Third Street, San Francisco. | Comment | |||
| UCD131895 | Erigeron floribundus | John Thomas Howell | 1975-9-10 | 51506 | San Francisco | Main St, between Market and Mission streets. | Comment | |||
| UCD133506 | Lactuca sativa | John Thomas Howell | 1950-10-3 | 27467 | San Francisco | along Bayshore Highway, San Francisco. | Comment | |||
| UCD134450 | Matricaria occidentalis | John Thomas Howell | 1957-6-16 | 32655 | San Francisco | Third and Davidson Streets. | Comment | |||
| UCD135083 | Pseudognaphalium luteoalbum | John Thomas Howell | 1943-6-20 | 18243 | San Francisco | Concert Valley, Golden Gate Park, San Francisco. | Comment | |||
| UCD138609 | Allium triquetrum | John Thomas Howell | 1954-4-15 | s.n. | San Francisco | San Francisco. | Comment | |||
| UCD142396 | Euphorbia helioscopia | John Thomas Howell | 1946-4-5 | 21595 | San Francisco | Southeast slope of Twin Peaks. | Comment | |||
| UCD162085 | Salpichroa origanifolia | John Thomas Howell | 1945-7-23 | 21332 | San Francisco | San Francisco. Golden Gate Park. | Comment | |||
| UCD60214 | Bromus catharticus var. elatus | John Thomas Howell | 1953-6-2 | 29056 | San Francisco | Jackson Street. | Comment | |||
| UCD87552 | Nassella pulchra | John Thomas Howell | 1977-5-29 | 52363 | San Francisco | Fillmore and McAllister streets, San Francisco. | Comment | |||
| UCD88140 | Phalaris aquatica | John Thomas Howell | 1959-8-31 | 34603 | San Francisco | San Francisco. Lombard and Divisidero Street. | Comment | |||
| UCD89689 | Piptatherum miliaceum | John Thomas Howell | 1943-8-16 | 19309 | San Francisco | SE corner Filbert and Vanness Ave. | Comment | |||
| UCD94777 | Vulpia myuros | John Thomas Howell | 1957-5-26 | 32444 | San Francisco | north base of Loen Mountain. | Comment | |||
| UCD95120 | Fumaria capreolata | John Thomas Howell | 1980-9-25 | 53901 | San Francisco | in city of San Francisco; along path between the Conservatory and Fuschia Garden, Golden Gate Park. | Comment | |||
| UCD97226 | Amaranthus hybridus | John Thomas Howell | 1957-9-22 | s.n. | San Francisco | Embarcadero. | Comment | |||
| UCD97769 | Chenopodium album | John Thomas Howell | 1957-6-16 | 32661 | San Francisco | Third and Davidson Streets. | Comment | |||
| UCD98428 | Phytolacca heterotepala | John Thomas Howell | 1959-8-28 | 34602 | San Francisco | Geary Street between Gough and Franklin streets, San Francisco. | Comment | |||
| UCD99132 | Silene | John Thomas Howell | 1972-4-19 | 48673 | San Francisco | San Francisco. | Comment | |||
| UCSB7181 | Pseudognaphalium luteoalbum | Howell, John | 1943-6-29 | San Francisco | Concert Valley, Golden State Park, San Francisco | Comment | ||||
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| Copyright © 2019 Regents of the University of California — Updated 11 January 2019 |