Search Results — 2000 specimen records retrieved (596 records with coordinates)
(That's the default maximum. Contact Jason Alexander for larger data requests.)

Results for search: County=SAN LUIS OBISPO; Source=All; Collector=Twisselmann;   

Mapping Options:

BerkeleyMapper with county and bioregion layers
BerkeleyMapper without layers.
KML export
(Note: only records with coordinates are mappable)

Download Options:
Select all records · Select records with coordinates

Include annotations and voucher information

PLEASE NOTE: Due to changes in newer versions of Excel, directly copying text from the above selected results does not produce a usable table.
    Follow these steps:
      1. The contents of the selected results window must be copied into a text editor like TextEdit for Mac or WordPad for Windows
      2. The selected results must be saved as a new text document.
      3. This new text document can now be copied into Excel or imported as a tab delimited text file.

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

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

Click on column header to sort data (* sorts by family); click in leftmost checkbox to select record. CCH Help Page.
Turn on yellow flags to show possible range discrepancies. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC100465  Brickellia californica Ernest C. Twisselmann 1965-11-2 11718 San Luis Obispo Ragged Point 45 Comment
  CAS-BOT-BC101416  Corethrogyne filaginifolia Ernest C. Twisselmann 1959-11-2 5894 San Luis Obispo Oceano Dunes at Oso Flaco Lake 6 Comment
  CAS-BOT-BC101423  Corethrogyne filaginifolia Ernest C. Twisselmann 1959-11-2 5894 San Luis Obispo Oceano Dunes at Oso Flaco Lake 6 Comment
  CAS-BOT-BC101433  Corethrogyne filaginifolia Ernest C. Twisselmann 1953-9-18 771 San Luis Obispo Twisselmann Ranch, eastern San Luis Obispo County Comment
  CAS-BOT-BC101439  Corethrogyne filaginifolia Ernest C. Twisselmann 1951-10-1 540 San Luis Obispo Chris Twisselmann Ranch, eastern San Luis Obispo County Comment
  CAS-BOT-BC101448  Corethrogyne filaginifolia Ernest C. Twisselmann 1954-10-9 1611 San Luis Obispo Chris Twisselmann Ranch: Eastern San Luis Obispo County 685 Comment
  CAS-BOT-BC102280  Anthemis cotula Ernest C. Twisselmann 1953-6-26 559 San Luis Obispo chris Twisselmann Ranch, eastern San Luis Obispo County Comment
  CAS-BOT-BC102283  Anthemis cotula Ernest C. Twisselmann; Donald J. Bedell 1969-7-5 15648 San Luis Obispo Salinas River 5 miles south of Paso Robles 182 Comment
  CAS-BOT-BC102338  Juglans nigra Ernest C. Twisselmann 1971-12-5 18541 San Luis Obispo Dorothy Twisselmann Ranch, eastern San Luis Obispo County Comment
  CAS-BOT-BC102339  Juglans nigra Ernest C. Twisselmann 1968-9-1 14917 San Luis Obispo Hills at the summit of Palo Prieta Canyon (Cottonwood Spring at the Dorothy Twisselmann Ranch) 640 Comment
  CAS-BOT-BC103277  Salix bonplandiana Ernest C. Twisselmann 1954-2-25 839 San Luis Obispo Chris Twisselmann Ranch: 7 miles south of Cholame 716 Comment
  CAS-BOT-BC103281  Salix bonplandiana Ernest C. Twisselmann 1954-2-25 839 San Luis Obispo Twisselmann Ranch, 7 miles south of Cholame 670 Comment
  CAS-BOT-BC107238  Salix lasiolepis var. bigelovii Ernest C. Twisselmann 1965-11-2 11690 San Luis Obispo Arroyo de la Cruz, between Highway 1 and the ocean 6 Comment
  CAS-BOT-BC109035  Mucronea californica Ernest C. Twisselmann 1956-6-1 2889 San Luis Obispo South end of Morro Bay, near Baywood Park. 30 Comment
  CAS-BOT-BC110384  Suaeda californica Ernest C. Twisselmann 1957-11-2 4104 San Luis Obispo South end of Morro Bay, near Baywood Park. 1 Comment
  CAS-BOT-BC111771  Schoenoplectus pungens var. badius Ernest C. Twisselmann 1959-5-23 5266 San Luis Obispo Morro Bay, just west of Baywood. 3 Comment
  CAS-BOT-BC114476  Cyperus eragrostis Ernest C. Twisselmann 1954-11-7 1652 San Luis Obispo Chris Twisselmann Ranch Comment
  CAS-BOT-BC114477  Cyperus eragrostis Ernest C. Twisselmann 1954-11-7 1652 San Luis Obispo Chris Twisselmann Ranch Comment
  CAS-BOT-BC127022  Agrostis exarata Ernest C. Twisselmann 1965-11-2 11705 San Luis Obispo Arroyo de la Cruz (between Highway 1 and the ocean). 12 Comment
  CAS-BOT-BC127024  Agrostis exarata Ernest C. Twisselmann 1965-11-2 11705 San Luis Obispo Arroyo de la Cruz (between Highway 1 and the ocean). 12 Comment
  CAS-BOT-BC12942  Lepidium strictum Ernest C. Twisselmann 1969-4-14 15122 San Luis Obispo La Panza Range. Bedell Ranch, 5 miles southeast of Creston. 419 Comment
  CAS-BOT-BC12943  Lepidium strictum Ernest C. Twisselmann 1969-4-24 15159 San Luis Obispo La Panza Range. Bedell Ranch, 5 miles southeast of Creston. 350 Comment
  CAS-BOT-BC12944  Lepidium strictum Ernest C. Twisselmann 1969-4-24 15159 San Luis Obispo La Panza Range. Bedell Ranch, 5 miles southeast of Creston. 350 Comment
  CAS-BOT-BC13633  Ambrosia acanthicarpa Ernest C. Twisselmann 1959-11-2 5887 San Luis Obispo Southwest end of Oso Flaco Lake. 4 Comment
  CAS-BOT-BC139725  Agrostis gigantea Ernest C. Twisselmann 1965-12-6 11751 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Dorothy Twisselmann Ranch. 670 Comment
  CAS-BOT-BC141914  Potentilla anserina subsp. pacifica Ernest C. Twisselmann 1965-11-2 11698 San Luis Obispo Arroyo de la Cruz, between Highway 1 and the ocean 15 Comment
  CAS-BOT-BC141915  Potentilla anserina subsp. pacifica Ernest C. Twisselmann 1959-5-23 5263 San Luis Obispo Morro Bay, just west of Baywood 3 Comment
  CAS-BOT-BC141917  Potentilla anserina subsp. pacifica Ernest C. Twisselmann 1965-11-2 11698 San Luis Obispo Arroyo de la Cruz, between Highway 1 and the ocean 15 Comment
  CAS-BOT-BC143772  Purshia stansburyana Ernest C. Twisselmann 1968-8-23 14912 San Luis Obispo Dorothy Twisselmann Ranch, eastern San Luis Obispo County 670 Comment
Read comments
Jul 13 2018
  CAS-BOT-BC144227  Bromus arenarius Ernest C. Twisselmann 1954-4-16 1064 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch. 640 Comment
  CAS-BOT-BC144270  Bromus arenarius Ernest C. Twisselmann 1952-5-9 10 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch, 7 miles south of Cholame. Comment
  CAS-BOT-BC144271  Bromus arenarius Ernest C. Twisselmann 1952-6-20 11 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch, 7 miles south of Cholame. 609 Comment
  CAS-BOT-BC144272  Bromus arenarius Ernest C. Twisselmann 1954-4-16 1064 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch. 640 Comment
  CAS-BOT-BC144273  Bromus arenarius Ernest C. Twisselmann 1952-6-20 45 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Twisselmann Ranch, 7 miles south of Cholame. Comment
  CAS-BOT-BC145453  Briza maxima Ernest C. Twisselmann 1955-6-3 2069 San Luis Obispo Piedras Blancas Point. 30 Comment
  CAS-BOT-BC145961  Avena fatua Ernest C. Twisselmann 1969-6-22 15644 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Dorothy Twisselman Ranch at teh head of Choice Valley. 640 Comment
  CAS-BOT-BC145964  Avena fatua Ernest C. Twisselmann 1953-12-5 827 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch. 716 Comment
  CAS-BOT-BC145966  Avena fatua Ernest C. Twisselmann 1954-4-12 1037 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Twisselmann Ranch. 579 Comment
  CAS-BOT-BC145968  Avena fatua Ernest C. Twisselmann 1954-10-31 1650 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch. Comment
  CAS-BOT-BC146083  Avena barbata Ernest C. Twisselmann 1955-4-26 1911 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Painted Rock, Carissa Plains. 731 Comment
  CAS-BOT-BC148461  Heteromeles arbutifolia Ernest C. Twisselmann 1971-12-9 18561 San Luis Obispo Dorothy Twisselmann Ranch, estern San Luis Obispo County Comment
  CAS-BOT-BC149464  Bromus berteroanus Ernest C. Twisselmann 1961-4-11 6038 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Dorothy Twisselmann Ranch. 670 Comment
  CAS-BOT-BC149470  Bromus berteroanus Ernest C. Twisselmann 1961-4-11 6038 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Dorothy Twisselmann Ranch. 670 Comment
  CAS-BOT-BC152864  Rubus parviflorus Ernest C. Twisselmann 1959-4-10 5031 San Luis Obispo See Canyon, near the summit 259 Comment
  CAS-BOT-BC155145  Bromus hordeaceus Ernest C. Twisselmann 1954-3-30 954 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch. Comment
  CAS-BOT-BC155149  Bromus hordeaceus Ernest C. Twisselmann 1954-3-30 954 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch. Comment
  CAS-BOT-BC156183  Bromus catharticus Ernest C. Twisselmann 1954-5-6 1177 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch. 655 Comment
  CAS-BOT-BC156991  Rubus ursinus Ernest C. Twisselmann 1959-4-10 5039 San Luis Obispo Irish Hills: Perfumo Canyon 106 Comment
  CAS-BOT-BC157005  Rubus ursinus Ernest C. Twisselmann 1969-4-24 15170 San Luis Obispo Sulphur Spring Canyon, Santa Ysabel Ranch, 5 miles south of Paso Robles 213 Comment
  CAS-BOT-BC159571  Drymocallis glandulosa var. glandulosa Ernest C. Twisselmann 1956-5-15 2793 San Luis Obispo West foot of York Mountain, Santa Lucia Range 213 Comment
  CAS-BOT-BC161758  Bromus rubens Ernest C. Twisselmann 1952-4-1 16 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch, 7 miles south of Cholame. Comment
  CAS-BOT-BC161760  Bromus rubens Ernest C. Twisselmann 1954-3-19 898 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch. 670 Comment
  CAS-BOT-BC162303  Bromus madritensis Ernest C. Twisselmann 1955-5-9 1956 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch. 670 Comment
  CAS-BOT-BC162325  Bromus madritensis Ernest C. Twisselmann 1955-5-9 1956 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch. 670 Comment
  CAS-BOT-BC165357  Clarkia speciosa subsp. speciosa Ernest C. Twisselmann; Donald J. Bedell 1969-7-5 15652 San Luis Obispo Salinas River 5 miles south of Paso Robles 182 Comment
  CAS-BOT-BC16612  Barbarea orthoceras Ernest C. Twisselmann; Donald J. Bedell 1969-7-5 15664 San Luis Obispo Salinas River 5 miles south of Paso Robles. 182 Comment
  CAS-BOT-BC166405  Epilobium canum subsp. canum Ernest C. Twisselmann 1951-9-1 336 San Luis Obispo Horseshoe Canyon, 6 miles northeast of Simmler 822 Comment
  CAS-BOT-BC166408  Epilobium canum subsp. canum Ernest C. Twisselmann 1965-11-2 11713 San Luis Obispo Highway 1, just north of San Carpojo Creek 60 Comment
  CAS-BOT-BC167325  California macrophylla Ernest C. Twisselmann 1965-3-23 10496 San Luis Obispo Pinole Hills at the head of Bitterwater Creek 670 Comment
  CAS-BOT-BC167335  California macrophylla Ernest C. Twisselmann 1965-3-23 10496 San Luis Obispo Pinole Hills at the head of Bitterwater Creek 670 Comment
  CAS-BOT-BC172625  Atriplex coronata Ernest C. Twisselmann 1962-8-23 7692 San Luis Obispo O'Brien Lake, hills at the summit of Palo Prieta Canyon 640 Comment
  CAS-BOT-BC172629  Atriplex coronata Ernest C. Twisselmann 1962-8-23 7692 San Luis Obispo O'Brien Lake, hills at the summit of Palo Prieta Canyon 640 Comment
  CAS-BOT-BC17270  Arabidopsis thaliana Ernest C. Twisselmann 1954-8-6 1493 San Luis Obispo The Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch. Eastern San Luis Obispo County. 972 Comment
  CAS-BOT-BC174523  Loeflingia squarrosa Ernest C. Twisselmann 1969-4-24 15158 San Luis Obispo La Panza Range. Bedell Ranch, 5 miles southeast of Creston 350 Comment
  CAS-BOT-BC174529  Loeflingia squarrosa Ernest C. Twisselmann 1967-5-8 13016 San Luis Obispo La Panza Range. Shell Creek fork of Cammatta Canyon 472 Comment
  CAS-BOT-BC174531  Loeflingia squarrosa Ernest C. Twisselmann 1969-4-24 15158 San Luis Obispo La Panza Range. Bedell Ranch, 5 miles southeast of Creston 350 Comment
  CAS-BOT-BC174533  Loeflingia squarrosa Ernest C. Twisselmann 1967-11-2 14043 San Luis Obispo La Panza Range: Shell Creek 472 Comment
  CAS-BOT-BC177482  Astragalus asymmetricus Ernest C. Twisselmann 1952-6-21 301 San Luis Obispo Twisselmann Ranch, 7 miles south of Cholame 640 Comment
  CAS-BOT-BC178054  Astragalus lentiginosus var. nigricalycis Ernest C. Twisselmann 1961-3-29 6026 San Luis Obispo Dorothy Twisselmann Ranch, at the summit of Palo Prieta Canyon - Temblor Range and the Western San Joaquni Valley 670 Comment
  CAS-BOT-BC178931  Chorizanthe angustifolia Ernest C. Twisselmann 1956-6-1 2892 San Luis Obispo S end of Morro Bay, near Baywood Park 30 Comment
  CAS-BOT-BC178932  Chorizanthe angustifolia Ernest C. Twisselmann 1956-6-1 2892 San Luis Obispo S end of Morro Bay, near Baywood Park 30 Comment
  CAS-BOT-BC178972  Chorizanthe biloba Ernest C. Twisselmann 1952-5-15 141 San Luis Obispo Twisselman Ranch: near headwaters of Palo Prieta Creek-bed, 7 miles S of Cholame. Temblor Range and the Western San Joquin Valley Comment
  CAS-BOT-BC182341  Astragalus didymocarpus var. didymocarpus Ernest C. Twisselmann 1954-4-5 985 San Luis Obispo Chris Twisselmann Ranch: eastern San Luis Obispo County 670 Comment
  CAS-BOT-BC182343  Astragalus didymocarpus var. didymocarpus Ernest C. Twisselmann 1954-4-5 985 San Luis Obispo Twisselmann Ranch: eastern San Luis Obispo County. (Hill above Spring Lake) 670 Comment
  CAS-BOT-BC182886  Astragalus douglasii Ernest C. Twisselmann 1952-1-1 304 San Luis Obispo Twisselmann Ranch, 7 miles south of Cholame 640 Comment
  CAS-BOT-BC183692  Vulpia microstachys var. ciliata Ernest C. Twisselmann 1969-4-14 15114 San Luis Obispo La Panza Range. Shell Creek (near the quail guzzler) 419 Comment
  CAS-BOT-BC183821  Vulpia microstachys var. confusa Ernest C. Twisselmann 1954-4-5 987 San Luis Obispo Twisselmann Ranch, Tank Hill 640 Comment
  CAS-BOT-BC183825  Vulpia microstachys var. confusa Ernest C. Twisselmann 1954-4-5 987 San Luis Obispo Chris Twisselmann Ranch: Eastern San Luis Obispo County 640 Comment
  CAS-BOT-BC185626  Bromus tectorum Ernest C. Twisselmann 1961-5-6 6125 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Dorothy Twisselmann Ranch. 609 Comment
  CAS-BOT-BC185627  Bromus tectorum Ernest C. Twisselmann 1961-5-6 6125 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Dorothy Twisselmann Ranch. 609 Comment
  CAS-BOT-BC185748  Vulpia myuros subsp. megalura Ernest C. Twisselmann 1969-11-28 16360 San Luis Obispo Twisselmann Lake, San Andreas Fault at the summit of Palo Prieta Canyon 701 Comment
  CAS-BOT-BC185751  Vulpia myuros subsp. megalura Ernest C. Twisselmann 1953-3-21 28 San Luis Obispo Chris Twisselmann Ranch Comment
  CAS-BOT-BC187547  Astragalus macrodon Ernest C. Twisselmann 1969-4-14 15113 San Luis Obispo La Panza Range. Shell Creek (near the quail guzzler) 419 Comment
  CAS-BOT-BC187551  Astragalus macrodon Ernest C. Twisselmann 1957-5-3 3474 San Luis Obispo Caliente Range: east slope of Caliente Mountain 792 Comment
  CAS-BOT-BC189776  Dactylis glomerata Ernest C. Twisselmann 1956-6-26 3019 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Twisselmann Ranch. 670 Comment
  CAS-BOT-BC189823  Dactylis glomerata Ernest C. Twisselmann 1956-6-26 3019 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Twisselmann Ranch. 670 Comment
  CAS-BOT-BC190033  Cortaderia selloana Ernest C. Twisselmann 1959-11-2 5893 San Luis Obispo Southwest end of Oso Flaco Lake. In an overflow area at the southwest end of the lake. 4 Comment
  CAS-BOT-BC190113  Crypsis schoenoides Ernest C. Twisselmann 1969-11-4 16326 San Luis Obispo Temblor Range. Twisselmann Lake, San Andreas Fault at the summit of Palo Prieta Canyon. 701 Comment
  CAS-BOT-BC190318  Cynodon dactylon Ernest C. Twisselmann 1954-5-28 1302 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch. Comment
  CAS-BOT-BC191246  Chorizanthe douglasii Ernest C. Twisselmann 1967-5-8 13011 San Luis Obispo Slope N of Shell Creek. La Panza Range 487 Comment
  CAS-BOT-BC191523  Chorizanthe diffusa Ernest C. Twisselmann 1956-6-1 2887 San Luis Obispo S end of Morro Bay, near Baywood Park 30 Comment
  CAS-BOT-BC194117  Astragalus pomonensis Ernest C. Twisselmann 1956-6-1 2891 San Luis Obispo South end of Morrow Bay, near Baywood Park 30 Comment
  CAS-BOT-BC194118  Astragalus pomonensis Ernest C. Twisselmann 1956-6-1 2891 San Luis Obispo South end of Morrow Bay, near Baywood Park 30 Comment
  CAS-BOT-BC195713  Distichlis spicata Ernest C. Twisselmann 1951-1-1 50 San Luis Obispo Chris Twisselmann Ranch: Eastern San Luis Obispo County Comment
  CAS-BOT-BC197036  Echinochloa colona Ernest C. Twisselmann 1954-7-24 1463 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Twisselmann Ranch: Eastern San Luis Obispo County 667 Comment
  CAS-BOT-BC198502  Caesalpinia gilliesii Ernest C. Twisselmann 1963-8-23 8886 San Luis Obispo Dorothy Tiwsselmann Ranch - Temblor Range and the Western San Joaquin Valley 670 Comment
  CAS-BOT-BC200520  Triticum aestivum T. Franklin Twisselmann 1970-5-16 2 San Luis Obispo Davidson Hills, Choice Valley, eastern San Luis Obispo County 609 Comment
  CAS-BOT-BC200522  Triticum aestivum T. Franklin Twisselmann 1970-5-16 2 San Luis Obispo Davidson Hills, Choice Valley, eastern San Luis Obispo County 609 Comment
  CAS-BOT-BC200524  Triticum aestivum T. Franklin Twisselmann 1970-5-16 1 San Luis Obispo Davidson Hills, Choice Valley, eastern San Luis Obispo County 609 Comment
  CAS-BOT-BC200526  Triticum aestivum T. Franklin Twisselmann 1970-5-16 1 San Luis Obispo Davidson Hills, Choice Valley, eastern San Luis Obispo County 609 Comment
  CAS-BOT-BC204497  Eragrostis cilianensis Ernest C. Twisselmann 1954-11-20 1672 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch: Eastern San Luis Obispo County 667 Comment
  CAS-BOT-BC204498  Eragrostis cilianensis Ernest C. Twisselmann 1954-11-20 1672 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch: Eastern San Luis Obispo County 667 Comment
  CAS-BOT-BC207077  Euphorbia ocellata Ernest C. Twisselmann 1967-8-22 13554 San Luis Obispo Dorothy Twisselmann Ranch - Temblor Range and the Western San Joaquin Valley 670 Comment
  CAS-BOT-BC207084  Euphorbia ocellata Ernest C. Twisselmann 1960-8-22 5994 San Luis Obispo Dorothy Twisselmann Ranch - Temblor Range and the Western San Joaquin Valley 670 Comment
  CAS-BOT-BC207966  Hoffmannseggia glauca Ernest C. Twisselmann 1958-8-29 4750 San Luis Obispo Dorothy Twisselmann Ranch, eastern San Luis Obispo County 670 Comment
  CAS-BOT-BC207967  Hoffmannseggia glauca Ernest C. Twisselmann 1957-8-23 4014 San Luis Obispo Chris Twisselmann Ranch, eastern San Luis Obispo County 670 Comment
  CAS-BOT-BC207971  Hoffmannseggia glauca Ernest C. Twisselmann 1957-8-23 4014 San Luis Obispo Chris Twisselmann Ranch, eastern San Luis Obispo County. 670 Comment
  CAS-BOT-BC208546  Ehrharta calycina Ernest C. Twisselmann 1956-4-10 2632 San Luis Obispo Nipomo Mesa 60 Comment
  CAS-BOT-BC208547  Ehrharta calycina Ernest C. Twisselmann 1956-4-30 2729 San Luis Obispo Chris Twisselmann Ranch, - Temblor Range and the Western San Joaquin Valley 670 Comment
  CAS-BOT-BC209094  Digitaria sanguinalis Ernest C. Twisselmann 1954-6-19 1384 San Luis Obispo Twisselman Ranch, eastern San Luis Obispo County - Temblor Range and the Western San Joaquin Valley Comment
  CAS-BOT-BC209095  Digitaria sanguinalis Ernest C. Twisselmann 1954-6-19 1384 San Luis Obispo Chris Twisselman Ranch, eastern San Luis Obispo County - Temblor Range and the Western San Joaquin Valley Comment
  CAS-BOT-BC209638  Eremalche parryi Ernest C. Twisselmann 1969-4-14 15112 San Luis Obispo La Panza Range. Shell Creek (near the quail guzzler) 419 Comment
  CAS-BOT-BC209645  Eremalche parryi Ernest C. Twisselmann 1969-4-14 15112 San Luis Obispo La Panza Range. Shell Creek (near the quail guzzler) 419 Comment
  CAS-BOT-BC210346  Cornus sericea Ernest C. Twisselmann 1959-4-10 5038 San Luis Obispo Irish Hills: Perfumo Canyon 106 Comment
  CAS-BOT-BC210467  Cornus sericea subsp. occidentalis Ernest C. Twisselmann 1959-4-10 5038 San Luis Obispo Irish Hills: Perfumo Canyon 106 Comment
  CAS-BOT-BC210602  Achnatherum coronatum Ernest C. Twisselmann 1956-6-7 2897 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Wilkinson Canyon, San Juan Hills, eastern San Luis Obispo County 472 Comment
  CAS-BOT-BC210603  Achnatherum coronatum Ernest C. Twisselmann 1956-6-7 2897 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Wilkinson Canyon, San Juan Hills, eastern San Luis Obispo County 472 Comment
  CAS-BOT-BC211634  Frankenia salina Ernest C. Twisselmann 1952-6-21 326 San Luis Obispo Twisselmann Ranch, 7 miles south of Cholame, Temblor Range and the Western San Joaquin Valley 579 Comment
  CAS-BOT-BC216579  Prosopis pubescens Ernest C. Twisselmann 1966-9-10 12801 San Luis Obispo Dorothy Twisselman Ranch, eastern county 670 Comment
  CAS-BOT-BC216580  Prosopis pubescens Ernest C. Twisselmann 1966-9-10 12801 San Luis Obispo Dorothy Twisselman Ranch, eastern county 670 Comment
  CAS-BOT-BC219572  Pholisma arenarium Ernest C. Twisselmann 1955-10-1 2429 San Luis Obispo At south end of Morro Bay 3 Comment
  CAS-BOT-BC219677  Acanthomintha obovata subsp. cordata Ernest C. Twisselmann 1957-5-3 3468 San Luis Obispo Caliente Range: east slope of Caliente Mountain 822 Comment
  CAS-BOT-BC220189  Monardella sinuata subsp. sinuata Ernest C. Twisselmann 1955-10-1 2428 San Luis Obispo Sand dunes at the south end of Morro Bay 4 Comment
  CAS-BOT-BC220190  Monardella sinuata subsp. sinuata Ernest C. Twisselmann 1955-10-1 2428 San Luis Obispo Sand dunes at the south end of Morro Bay 4 Comment
  CAS-BOT-BC222388  Amsinckia douglasiana Ernest C. Twisselmann 1952-4-1 442 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Twisselmann Ranch, eastern San Luis Obispo County Comment
  CAS-BOT-BC222610  Pholistoma auritum var. auritum Ernest C. Twisselmann 1959-4-10 5028 San Luis Obispo Irish Hills: See Canyon 60 Comment
  CAS-BOT-BC222612  Pholistoma auritum var. auritum Ernest C. Twisselmann 1959-4-10 5028 San Luis Obispo Irish Hills, See Canyon 60 Comment
  CAS-BOT-BC225556  Gilia tenuiflora Ernest C. Twisselmann 1967-5-8 13008 San Luis Obispo Slope north of Shell Creek, La Panza Range 487 Comment
  CAS-BOT-BC225557  Gilia tenuiflora Ernest C. Twisselmann 1967-5-8 13008 San Luis Obispo Slope north of Shell Creek, La Panza Range 487 Comment
  CAS-BOT-BC225558  Gilia tenuiflora Ernest C. Twisselmann 1969-4-14 15115 San Luis Obispo Bedell Ranch, 5 miles southeast of Creston La Panza Range 419 Comment
  CAS-BOT-BC225559  Gilia tenuiflora Ernest C. Twisselmann 1969-4-14 15106 San Luis Obispo Bedell Ranch, 5 miles southeast of Creston La Panza Range 350 Comment
  CAS-BOT-BC225560  Gilia tenuiflora Ernest C. Twisselmann 1969-4-14 15106 San Luis Obispo Bedell Ranch, 5 miles southeast of Creston La Panza Range 350 Comment
  CAS-BOT-BC230027  Salvia mellifera Ernest C. Twisselmann 1967-4-27 12934 San Luis Obispo Ragged Point, Santa Lucia Range 60 Comment
  CAS-BOT-BC230028  Salvia mellifera Ernest C. Twisselmann 1967-4-27 12934 San Luis Obispo Ragged Point, Santa Lucia Range 60 Comment
  CAS-BOT-BC231699  Nicotiana glauca Ernest C. Twisselmann 1955-10-19 2466 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch, eastern San Luis Obispo County 670 Comment
  CAS-BOT-BC231760  Chilopsis linearis Ernest C. Twisselmann 1963-8-23 8880 San Luis Obispo Dorothy Twisselmann Ranch, eastern San Luis Obispo County Comment
  CAS-BOT-BC233750  Buddleja davidii Ernest C. Twisselmann 1967-8-23 13565 San Luis Obispo Dorothy Twisselmann Ranch, eastern San Luis Obispo County Comment
  CAS-BOT-BC234946  Lonicera subspicata var. denudata Ernest C. Twisselmann 1967-8-24 13573 San Luis Obispo Temblor Range and the Western San Joaquin Valley. San Andreas Fault at the Dorothy Twisselmann Ranch 701 Comment
  CAS-BOT-BC235352  Sorghum X drummondii Ernest C. Twisselmann 1956-10-30 3132 B San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch, eastern San Luis Obispo County 670 Comment
  CAS-BOT-BC235353  Sorghum X drummondii Ernest C. Twisselmann 1956-9-12 3132 A San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch, eastern San Luis Obispo County 670 Comment
  CAS-BOT-BC237336  Polypogon monspeliensis Ernest C. Twisselmann 1959-11-2 5891 San Luis Obispo SW end of Oso Flaco Lake 4 Comment
  CAS-BOT-BC237337  Polypogon monspeliensis Ernest C. Twisselmann 1959-11-2 5891 San Luis Obispo SW end of Oso Flaco Lake 4 Comment
  CAS-BOT-BC237891  Antirrhinum ovatum Ernest C. Twisselmann 1952-5-26 471 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Twisselmann Ranch mail box on the Bitterwater Road, 7 miles south of Cholame 632 Comment
  CAS-BOT-BC237892  Antirrhinum ovatum Ernest C. Twisselmann 1952-5-26 471 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Twisselmann Ranch mail box on the Bitterwater Road, 7 miles south of Cholame 632 Comment
  CAS-BOT-BC237899  Antirrhinum ovatum Ernest C. Twisselmann 1962-6-13 7283 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Bitterwater Road at the Dorothy Twisselmann Ranch 640 Comment
  CAS-BOT-BC237908  Antirrhinum ovatum Ernest C. Twisselmann 1962-6-13 7283 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Bitterwater Road at the Dorothy Twisselmann Ranch 640 Comment
  CAS-BOT-BC239944  Schismus arabicus Ernest C. Twisselmann 1957-6-16 3665 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch, eastern San Luis Obispo County 670 Comment
  CAS-BOT-BC240173  Setaria verticillata Ernest C. Twisselmann 1953-9-9 761 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Twisselmann Ranch, eastern San Luis Obispo County Comment
  CAS-BOT-BC240175  Setaria verticillata Ernest C. Twisselmann 1953-9-9 761 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch, eastern San Luis Obispo County Comment
  CAS-BOT-BC240176  Setaria verticillata Ernest C. Twisselmann 1954-8-22 1523 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch: Eastern San Luis Obispo County 667 Comment
  CAS-BOT-BC240177  Setaria verticillata Ernest C. Twisselmann 1960-8-22 5999 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Dorothy Twisselmann Ranch, eastern San Luis Obipso County 670 Comment
  CAS-BOT-BC240178  Setaria verticillata Ernest C. Twisselmann 1960-8-22 5999 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Dorothy Twisselmann Ranch, eastern San Luis Obispo County 670 Comment
  CAS-BOT-BC240181  Setaria verticillata Ernest C. Twisselmann 1954-6-3 1314 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch: Eastern San Luis Obispo County Comment
  CAS-BOT-BC240253  Setaria viridis Ernest C. Twisselmann 1960-8-22 5988 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Dorothy Twisselmann Ranch, eastern San Luis Obispo County 670 Comment
  CAS-BOT-BC240255  Setaria viridis Ernest C. Twisselmann 1960-8-22 5988 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Dorothy Twisselmann Ranch, eastern San Luis Obispo County 670 Comment
  CAS-BOT-BC240256  Setaria viridis Ernest C. Twisselmann 1954-8-22 1522 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch: Eastern San Luis Obispo County 667 Comment
  CAS-BOT-BC241987  Eriogonum cinereum Ernest C. Twisselmann 1966-9-10 12798 San Luis Obispo Dorothy Twisselmann Ranch, eastern San Luis Obispo County 670 Comment
  CAS-BOT-BC241988  Eriogonum cinereum Ernest C. Twisselmann 1967-7-31 13545 San Luis Obispo Dorothy Twisselmann Ranch, eastern San Luis Obispo County 670 Comment
  CAS-BOT-BC241989  Eriogonum cinereum Ernest C. Twisselmann 1967-7-31 13545 San Luis Obispo Dorothy Twisselmann Ranch, eastern San Luis Obispo County 670 Comment
  CAS-BOT-BC241990  Eriogonum cinereum Ernest C. Twisselmann 1967-7-31 13544 San Luis Obispo Dorothy Twisselmann Ranch, eastern San Luis Obispo County 670 Comment
  CAS-BOT-BC241992  Eriogonum cinereum Ernest C. Twisselmann 1967-7-31 13546 San Luis Obispo Dorothy Twisselmann Ranch, eastern San Luis Obispo County 670 Comment
  CAS-BOT-BC241994  Eriogonum cinereum Ernest C. Twisselmann 1960-8-22 5990 San Luis Obispo Twisselmann Ranch, eastern San Luis Obispo County Comment
  CAS-BOT-BC242510  Eriogonum clavatum Ernest C. Twisselmann 1952-5-10 146 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Twisselmann Ranch, 7 miles south of Cholame Comment
  CAS-BOT-BC243956  Lonicera involucrata var. ledebourii Ernest C. Twisselmann 1965-11-2 11694 San Luis Obispo Arroyo de la Cruz, between Highway 1 and the ocean 9 Comment
  CAS-BOT-BC248571  Eriogonum angulosum Ernest C. Twisselmann 1953-8-15 700 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Twisselmann Ranch: 7 miles south of Cholame Comment
  CAS-BOT-BC248710  Eriogonum arborescens Ernest C. Twisselmann 1967-7-31 13548 San Luis Obispo Dorothy Twisselmann Ranch, eastern San Luis Obispo County 670 Comment
  CAS-BOT-BC249809  Eriogonum elongatum var. elongatum Ernest C. Twisselmann 1960-9-25 6010 San Luis Obispo Twisselmann Ranch, eastern San Luis Obispo County Comment
  CAS-BOT-BC249820  Eriogonum elongatum var. elongatum Ernest C. Twisselmann 1960-9-25 6010 San Luis Obispo Twisselmann Ranch, eastern San Luis Obispo County Comment
  CAS-BOT-BC249990  Eriogonum fasciculatum var. foliolosum Ernest C. Twisselmann 1951-1-1 145 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Twisselmann Ranch: 7 miles south of Cholame Comment
  CAS-BOT-BC250279  Eriogonum giganteum Ernest C. Twisselmann 1961-8-23 6559 San Luis Obispo Dorothy Twisselmann Ranch, eastern San Luis Obispo County 670 Comment
  CAS-BOT-BC250280  Eriogonum giganteum Ernest C. Twisselmann 1966-9-10 12799 San Luis Obispo Dorothy Twisselmann Ranch, eastern San Luis Obispo County 670 Comment
  CAS-BOT-BC250282  Eriogonum giganteum Ernest C. Twisselmann 1960-8-22 5989 San Luis Obispo Natural garden, Twisselmann Ranch, eastern San Luis Obispo County Comment
  CAS-BOT-BC250284  Eriogonum giganteum Ernest C. Twisselmann 1967-7-31 13549 San Luis Obispo Dorothy Twisselmann Ranch, eastern San Luis Obispo County 670 Comment
  CAS-BOT-BC250285  Eriogonum giganteum Ernest C. Twisselmann 1960-8-22 5989 San Luis Obispo Natural garden, Twisselmann Ranch, eastern San Luis Obispo County Comment
  CAS-BOT-BC250893  Phleum pratense Ernest C. Twisselmann 1959-8-23 5597 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Twisselmann Ranch, eastern San Luis Obispo County 670 Comment
  CAS-BOT-BC254434  Piptatherum miliaceum Ernest C. Twisselmann 1954-6-16 1372 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Twisselmann Ranch: Eastern San Luis Obispo 667 Comment
  CAS-BOT-BC254977  Poa bulbosa Ernest C. Twisselmann 1962-4-17 6942 San Luis Obispo The Temblor Range and the Western San Joaquin Valley. Dorothy Twisselman Ranch, E part of county 685 Comment
  CAS-BOT-BC255556  Poa annua Ernest C. Twisselmann 1954-2-22 838 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch: 7 miles S of Cholame Comment
  CAS-BOT-BC257901  Eriogonum parvifolium Ernest C. Twisselmann 1955-10-1 2414 San Luis Obispo Morro Rock 15 Comment
  CAS-BOT-BC263435  Eriogonum temblorense Ernest C. Twisselmann 1954-9-10 1569 San Luis Obispo Cottonwood Pass, 6 miles east of Cholame, Temblor Range and the Western San Joaquin Valley 563 Comment
  CAS-BOT-BC263436  Eriogonum temblorense Ernest C. Twisselmann 1967-5-23 13104 San Luis Obispo West slope of Cottonwood Pass 502 Comment
  CAS-BOT-BC263440  Eriogonum temblorense Ernest C. Twisselmann 1967-5-23 13104 San Luis Obispo West slope of Cottonwood Pass 502 Comment
  CAS-BOT-BC265802  Phalaris aquatica Ernest C. Twisselmann 1954-5-31 1311 San Luis Obispo Eastern San Luis Obispo County, Chris Twisselmann Ranch, the Temblor Range and the Western San Joaquin Valley 667 Comment
  CAS-BOT-BC265806  Phalaris aquatica Ernest C. Twisselmann 1959-11-2 5904 San Luis Obispo Oso Flaco Road, 3 miles east of Oso Flaco Lake 12 Comment
  CAS-BOT-BC266836  Eriogonum ordii Ernest C. Twisselmann 1952-5-10 146 B San Luis Obispo Twisselmann Ranch, 7 miles south of Cholame, Temblor Range and the Western San Joaquin Valley Comment
  CAS-BOT-BC268371  Eriogonum roseum Ernest C. Twisselmann 1954-9-10 1570 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Cottonwood Pass: 6 miles east of Cholame 563 Comment
  CAS-BOT-BC268372  Eriogonum roseum Ernest C. Twisselmann 1954-9-10 1570 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Cottonwood Pass: 6 miles east of Cholame 563 Comment
  CAS-BOT-BC268374  Eriogonum roseum Ernest C. Twisselmann 1953-9-18 770 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Twisselmann Ranch, eastern San Luis Obispo County Comment
  CAS-BOT-BC271395  Hordeum vulgare T. Franklin Twisselmann 1970-5-16 4 San Luis Obispo Davidson Hills, Choice Valley, eastern San Luis Obispo county 609 Comment
  CAS-BOT-BC271396  Hordeum vulgare T. Franklin Twisselmann 1970-5-16 5 San Luis Obispo Davidson Hills, Choice Valley, eastern San Luis Obispo county 609 Comment
  CAS-BOT-BC271397  Hordeum vulgare T. Franklin Twisselmann 1970-5-16 5 San Luis Obispo Davidson Hills, Choice Valley, eastern San Luis Obispo county 609 Comment
  CAS-BOT-BC272181  Leymus triticoides Ernest C. Twisselmann 1952-5-14 63 San Luis Obispo Twisselmann Ranch, 5 miles south of Cholame, Temblor Range and the Western San Joaquin Valley Comment
  CAS-BOT-BC272419  Leptochloa fusca subsp. uninervia Ernest C. Twisselmann 1968-10-21 15039 San Luis Obispo Paso Robles, Salinas River just north of the Highway 46 bridge 181 Comment
  CAS-BOT-BC272422  Leptochloa fusca subsp. uninervia Ernest C. Twisselmann 1970-11-24 17568 San Luis Obispo Dorothy Twisselmann Ranch at teh summit of Palo Prieta Canyon, Temblor Range and the Western San Joaquin Valley 670 Comment
  CAS-BOT-BC273265  Calendula officinalis Ernest C. Twisselmann 1967-8-23 13571 San Luis Obispo Dorothy Twisselmann Ranch, eastern San Luis Obispo County Comment
  CAS-BOT-BC273874  Lamarckia aurea Ernest C. Twisselmann 1966-5-29 12327 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Dorothy Twisselmann Ranch, eastern San Luis Obispo County 670 Comment
  CAS-BOT-BC273875  Lamarckia aurea Ernest C. Twisselmann 1966-5-29 12327 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Dorothy Twisselmann Ranch, eastern San Luis Obispo County 670 Comment
  CAS-BOT-BC273876  Lamarckia aurea Ernest C. Twisselmann 1965-5-17 10813 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Dorothy Twisselmann Ranch, eastern San Luis Obispo County 670 Comment
  CAS-BOT-BC277117  Centaurea melitensis Ernest C. Twisselmann 1969-6-22 15642 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Dorothy Twisselmann Ranch at the head of Choice Valley 640 Comment
  CAS-BOT-BC277225  Centaurea solstitialis Ernest C. Twisselmann 1963-8-4 8823 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta Canyon at the Twisselmann Ranch cattle guard 579 Comment
  CAS-BOT-BC277226  Centaurea solstitialis Ernest C. Twisselmann 1963-8-4 8823 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta Canyon at the Twisselmann Ranch cattle guard 579 Comment
  CAS-BOT-BC279315  Centromadia pungens subsp. pungens Ernest C. Twisselmann 1952-6-6 586 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch Comment
  CAS-BOT-BC283003  Eriochloa lemmonii Ernest C. Twisselmann 1968-10-11 15015 San Luis Obispo Dorothy Twisselmann Ranch, eastern San Luis Obispo County, Temblor Range and teh Wetern San Joaquin Valley 670 Comment
  CAS-BOT-BC283121  Schedonorus arundinaceus Ernest C. Twisselmann 1958-8-23 4737 San Luis Obispo Dorothy Twisselmann Ranch, eastern San Luis Obispo, Temblor Range and the Western San Joaquin Valley 665 Comment
  CAS-BOT-BC283123  Schedonorus arundinaceus Ernest C. Twisselmann 1955-6-5 2087 San Luis Obispo Chris Twisselmann Ranch, eastern San Luis Obispo, Temblor Range and the Western San Joaquin Valley 665 Comment
  CAS-BOT-BC283237  Lolium multiflorum Ernest C. Twisselmann 1954-5-15 1252 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselman Ranch: E part of county 667 Comment
  CAS-BOT-BC283910  Gastridium ventricosum Ernest C. Twisselmann 1965-11-2 11700 San Luis Obispo Arroyo de la Cruz, between Highway 1 and the ocean 4 Comment
  CAS-BOT-BC284158  Eragrostis pectinacea var. pectinacea Ernest C. Twisselmann 1954-10-31 1651 San Luis Obispo Chris Twisselmann Ranch, eastern San Luis Obispo County, Temblor Range and the western San Joaquin Valley Comment
  CAS-BOT-BC284159  Eragrostis pectinacea var. pectinacea Ernest C. Twisselmann 1954-8-6 1494 San Luis Obispo Chris Twisselmann Ranch, eastern San Luis Obispo County, Temblor Range and the western San Joaquin Valley 667 Comment
  CAS-BOT-BC284160  Eragrostis pectinacea var. pectinacea Ernest C. Twisselmann 1957-8-23 4012 San Luis Obispo Chris Twisselmann Ranch, eastern San Luis Obispo County, Temblor Range and the western San Joaquin Valley 670 Comment
  CAS-BOT-BC285985  Conyza bonariensis Ernest C. Twisselmann 1954-7-5 1424 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch: Eastern San Luis Obispo County Comment
  CAS-BOT-BC286195  Conyza canadensis Ernest C. Twisselmann 1954-8-29 1532 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Twisselmann Ranch: Eastern San Luis Obispo County Comment
  CAS-BOT-BC286196  Conyza canadensis Ernest C. Twisselmann 1954-8-29 1532 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Twisselmann Ranch: Eastern San Luis Obispo County Comment
  CAS-BOT-BC286199  Conyza canadensis Ernest C. Twisselmann 1953-9-29 798 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch: Eastern San Luis Obispo County Comment
  CAS-BOT-BC289245  Holcus lanatus Ernest C. Twisselmann 1959-5-23 5267 San Luis Obispo Morro Bay, just west of Baywood 3 Comment
  CAS-BOT-BC289389  Hordeum murinum subsp. glaucum Ernest C. Twisselmann 1961-4-13 6041 San Luis Obispo Dorothy Twisselmann Ranch, Temblor Range and the Western San Joaquin Valley 670 Comment
  CAS-BOT-BC289452  Hordeum murinum subsp. leporinum Ernest C. Twisselmann 1961-4-13 6041 San Luis Obispo Dorothy Twisselmann Ranch, the Temblor Range and the Western San Joaquin Valley 670 Comment
  CAS-BOT-BC292110  Delairea odorata Ernest C. Twisselmann 1965-11-2 11711 San Luis Obispo Highway 1 on the south side of San Carpojo Creek 30 Comment
  CAS-BOT-BC292908  Ericameria ericoides Ernest C. Twisselmann 1955-10-1 2415 San Luis Obispo Morro Rock 13 Comment
  CAS-BOT-BC301956  Eriophyllum staechadifolium Ernest C. Twisselmann 1955-10-1 2416 San Luis Obispo Morro Rock 4 Comment
  CAS-BOT-BC304303  Gaillardia aristata Ernest C. Twisselmann 1955-7-13 2239 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch, E part of county 670 Comment
  CAS-BOT-BC304663  Gutierrezia californica Ernest C. Twisselmann 1960-9-25 6007 San Luis Obispo Twisselmann Ranch, eastern San Luis Obispo County Comment
  CAS-BOT-BC304672  Gutierrezia californica Ernest C. Twisselmann 1971-12-9 18552 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Dorothy Twisslemann Ranch, eastern San Luis Obispo County 670 Comment
  CAS-BOT-BC305463  Helianthus annuus Ernest C. Twisselmann 1952-8-1 552 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Twisselmann Ranch, eastern San Luis Obispo County Comment
  CAS-BOT-BC305914  Helminthotheca echioides Ernest C. Twisselmann 1959-5-23 5265 San Luis Obispo Morro Bay: just west of Baywood 3 Comment
  CAS-BOT-BC305915  Helminthotheca echioides Ernest C. Twisselmann 1955-7-30 2286 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch, eastern San Luis Obispo County 670 Comment
  CAS-BOT-BC305916  Helminthotheca echioides Ernest C. Twisselmann 1955-7-30 2286 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch, eastern San Luis Obispo County 670 Comment
  CAS-BOT-BC307434  Gnaphalium palustre Ernest C. Twisselmann 1965-11-2 11706 San Luis Obispo Arroyo de la Cruz between Highway 1 and the ocean 4 Comment
  CAS-BOT-BC308743  Erigeron foliosus var. foliosus Ernest C. Twisselmann 1952-7-1 541 San Luis Obispo Chris Twisselmann Ranch, eastern San Luis Obispo County, Temblor Range and the Western San Joaquin Valley 640 Comment
  CAS-BOT-BC31046  Bolboschoenus maritimus Ernest C. Twisselmann 1969-11-4 16328 San Luis Obispo Twisselmann Lake, San Andreas Fault at the summit of Palo Prieta Canyon. Comment
  CAS-BOT-BC311382  Hypochaeris glabra Ernest C. Twisselmann 1959-5-23 5264 San Luis Obispo Morro Bay: just west of Baywood 3 Comment
  CAS-BOT-BC311383  Hypochaeris glabra Ernest C. Twisselmann 1959-5-23 5264 San Luis Obispo Morro Bay: just west of Baywood 3 Comment
  CAS-BOT-BC311384  Hypochaeris glabra Ernest C. Twisselmann 1959-5-23 5264 San Luis Obispo Morro Bay: just west of Baywood 3 Comment
  CAS-BOT-BC321643  Layia glandulosa Ernest C. Twisselmann 1967-5-8 13014 San Luis Obispo La Panza Range. Shell Creek fork of Cammatta Canyon. 472 Comment
  CAS-BOT-BC321645  Layia glandulosa Ernest C. Twisselmann 1969-4-14 15107 San Luis Obispo La Panza Range. Bedell Ranch, 5 miles SE of Creston 350 Comment
  CAS-BOT-BC321646  Layia glandulosa Ernest C. Twisselmann 1969-4-14 15107 San Luis Obispo La Panza Range. Bedell Ranch, 5 miles SE of Creston 350 Comment
  CAS-BOT-BC322490  Malacothrix incana Ernest C. Twisselmann 1959-11-2 5895 San Luis Obispo Oceano Dunes west of Oso Flaco Lake 4 Comment
  CAS-BOT-BC322491  Malacothrix incana Ernest C. Twisselmann 1959-11-2 5895 San Luis Obispo Oceano Dunes west of Oso Flaco Lake 4 Comment
  CAS-BOT-BC322900  Stephanomeria pauciflora Ernest C. Twisselmann 1959-8-5 5565 San Luis Obispo Dorothy Twisselmann Ranch, summit of Choice Valley, Temblor Range and the Western San Joaquin Valley 655 Comment
  CAS-BOT-BC324537  Madia radiata Ernest C. Twisselmann 1957-5-3 3470 San Luis Obispo East slope of Caliente Mountain, Caliente Range 822 Comment
  CAS-BOT-BC324538  Madia radiata Ernest C. Twisselmann 1957-5-3 3470 San Luis Obispo East slope of Caliente Mountain, Caliente Range 822 Comment
  CAS-BOT-BC327213  Layia heterotricha Ernest C. Twisselmann 1954-4-17 1080 San Luis Obispo Temblor Range and Western San Joaquin Valley. Las Yeguas Hills, 1 mile S of Rector Ranch. 822 Comment
  CAS-BOT-BC327215  Layia heterotricha Ernest C. Twisselmann 1957-5-3 3469 San Luis Obispo Caliente Range: east slope of Calliente Mountain. 822 Comment
  CAS-BOT-BC327647  Layia munzii Ernest C. Twisselmann 1955-3-22 1742 San Luis Obispo Low hills on E shore of Soda Lake, Carissa Plains 594 Comment
  CAS-BOT-BC327648  Layia munzii Ernest C. Twisselmann 1955-3-22 1742 San Luis Obispo Low hills on E shore of Soda Lake, Carissa Plains 594 Comment
  CAS-BOT-BC329099  Senecio flaccidus var. douglasii Ernest C. Twisselmann 1953-9-18 769 San Luis Obispo Twisselman Ranch, eastern San Luis Obispo County 640 Comment
  CAS-BOT-BC329102  Senecio flaccidus var. douglasii Ernest C. Twisselmann 1962-10-10 7917 San Luis Obispo Carrisa Plains School 624 Comment
  CAS-BOT-BC329191  Lasthenia ferrisiae Ernest C. Twisselmann 1954-3-26 947 San Luis Obispo Plants of Temblor Range and Western San Joaquin Valley. Chris Twisselmann Ranch, 7 mi S of Cholame 670 Comment
  CAS-BOT-BC329192  Lasthenia ferrisiae Ernest C. Twisselmann 1954-3-26 947 San Luis Obispo Plants of Temblor Range and Western San Joaquin Valley. Chris Twisselmann Ranch, 7 mi S of Cholame 670 Comment
  CAS-BOT-BC336910  Acer negundo var. californicum Ernest C. Twisselmann 1968-10-21 15033 San Luis Obispo Paso Robles: Salinas River just north of the Highway 46 bridge 181 Comment
  CAS-BOT-BC337445  Acer negundo var. negundo Ernest C. Twisselmann 1962-4-6 6763 San Luis Obispo Dorothy Twisselmann Ranch, eastern San Luis Obispo County 670 Comment
Read comments
Apr 10 2018
  CAS-BOT-BC340194  Jaumea carnosa Ernest C. Twisselmann 1955-10-1 2437 San Luis Obispo Southern end of Morro Bay 0 Comment
  CAS-BOT-BC340195  Jaumea carnosa Ernest C. Twisselmann 1955-10-1 2437 San Luis Obispo Southern end of Morro Bay 0 Comment
  CAS-BOT-BC340462  Lactuca saligna Ernest C. Twisselmann 1954-7-24 1465 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Twisselmann Ranch: Eastern San Luis Obispo County 667 Comment
  CAS-BOT-BC341000  Robinia pseudoacacia Ernest C. Twisselmann 1967-8-23 13568 San Luis Obispo Dorothy Twisselmann Ranch, eastern San Luis Obispo County Comment
  CAS-BOT-BC341613  Lagophylla ramosissima Ernest C. Twisselmann 1952-7-17 595 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch: Eastern San Luis Obispo County Comment
  CAS-BOT-BC345342  Malacothrix californica Ernest C. Twisselmann 1952-4-26 506 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Twisselmann Ranch, eastern San Luis Obispo County Comment
  CAS-BOT-BC348301  Matricaria occidentalis Ernest C. Twisselmann 1968-5-19 14210 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Dorothy Twisselmann Ranch 640 Comment
  CAS-BOT-BC348303  Matricaria occidentalis Ernest C. Twisselmann 1970-11-24 17569 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Dorothy Twisselmann Ranch at the summit of Palo Prieta Canyon 670 Comment
  CAS-BOT-BC348305  Matricaria occidentalis Ernest C. Twisselmann 1958-4-29 4383 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Alkali sink at the south end of Soda Lake 609 Comment
  CAS-BOT-BC348306  Matricaria occidentalis Ernest C. Twisselmann 1958-4-29 4383 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Alkali sink at the south end of Soda Lake 609 Comment
  CAS-BOT-BC349535  Monolopia lanceolata Ernest C. Twisselmann 1957-4-26 3412 San Luis Obispo Vineyard Canyon at the Monterey County Line 304 Comment
  CAS-BOT-BC349559  Monolopia lanceolata Ernest C. Twisselmann 1952-5-1 577 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch: Eastern San Luis Obispo County 640 Comment
  CAS-BOT-BC356464  Pseudognaphalium beneolens Ernest C. Twisselmann 1966-8-12 12720 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Summit of Palo Prieta Canyon, eastern San Luis Obispo County (Hardenburgh field, Dorothy Twisselmann Ranch) 609 Comment
  CAS-BOT-BC356465  Pseudognaphalium beneolens Ernest C. Twisselmann 1957-11-2 4111 San Luis Obispo Morro Rock 15 Comment
  CAS-BOT-BC356466  Pseudognaphalium beneolens Ernest C. Twisselmann 1957-11-2 4111 San Luis Obispo Morro Rock 15 Comment
  CAS-BOT-BC356612  Pseudognaphalium biolettii Ernest C. Twisselmann 1967-4-27 12933 San Luis Obispo Ragged Point, Santa Lucia Range 60 Comment
  CAS-BOT-BC356844  Pseudognaphalium californicum Ernest C. Twisselmann; Donald J. Bedell 1969-7-5 15662 San Luis Obispo Salinas River 5 miles south of Paso Robles 182 Comment
  CAS-BOT-BC357110  Pseudognaphalium luteoalbum Ernest C. Twisselmann 1965-11-2 11695 San Luis Obispo Arroyo de la Cruz (between Highway 1 and the ocean) 4 Comment
  CAS-BOT-BC357114  Pseudognaphalium luteoalbum Ernest C. Twisselmann; Clifton F. Smith 1969-11-12 16330 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Twisselmann Lake, San Andreas Fault at the summit of Palo Prieta Canyon 701 Comment
  CAS-BOT-BC360423  Lasthenia leptalea Ernest C. Twisselmann 1969-4-24 15152 San Luis Obispo La Panza Range: Bedell Ranch, 5 miles southeast of Creston. 350 Comment
  CAS-BOT-BC361251  Lasthenia leptalea Ernest C. Twisselmann; Donald J. Bedell 1968-3-6 14048 San Luis Obispo La Panza Range: head of Cammatta Canyon at the Bethel Ranch, about 0.5 mile above my [Twisselmann's] no. 2608 533 Comment
  CAS-BOT-BC361253  Lasthenia leptalea Ernest C. Twisselmann 1969-4-24 15152 San Luis Obispo La Panza Range: Bedell Ranch, 5 miles SE of Creston 350 Comment
  CAS-BOT-BC361254  Lasthenia leptalea Ernest C. Twisselmann 1969-4-14 15105 San Luis Obispo La Panza Range: Bedell Ranch, 5 miles SE of Creston 350 Comment
  CAS-BOT-BC361255  Lasthenia leptalea Ernest C. Twisselmann; Donald J. Bedell 1968-3-6 14048 San Luis Obispo La Panza Range: head of Cammatta Canyon at the Bethel Ranch, about 0.5 mile above my [Twisselmann's] 2608. 533 Comment
  CAS-BOT-BC361266  Lasthenia leptalea Ernest C. Twisselmann 1956-4-3 2608 San Luis Obispo La Panza Range; Upper Cammatta Canyon 502 Comment
  CAS-BOT-BC361552  Pseudognaphalium stramineum Ernest C. Twisselmann 1959-11-2 5890 San Luis Obispo Southwest end of Oso Flaco Lake 4 Comment
  CAS-BOT-BC364624  Senecio vulgaris Ernest C. Twisselmann 1954-3-18 897 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch: Eastern San Luis Obispo County Comment
  CAS-BOT-BC364846  Silybum marianum Ernest C. Twisselmann 1970-11-27 17570 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Dorothy Twisselmann Ranch 670 Comment
  CAS-BOT-BC364847  Silybum marianum Ernest C. Twisselmann 1971-12-5 18535 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Dorothy Twisselmann Ranch, eastern San Luis Obispo County Comment
  CAS-BOT-BC365171  Solidago velutina subsp. californica Ernest C. Twisselmann 1965-11-2 11709 San Luis Obispo Highway 1 on the south side of San Carpojo Creek 30 Comment
  CAS-BOT-BC365175  Solidago velutina subsp. californica Ernest C. Twisselmann 1971-12-9 18542 San Luis Obispo Dorothy Twisselmann Ranch, eastern San Luis Obispo County Comment
  CAS-BOT-BC365340  Solidago confinis Ernest C. Twisselmann 1959-11-2 5892 San Luis Obispo Southwest end of Oso Flaco Lake 4 Comment
  CAS-BOT-BC36786  Brassica rapa Ernest C. Twisselmann 1956-4-30 2727 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch, eastern SLO county. 670 Comment
  CAS-BOT-BC36789  Brassica rapa Ernest C. Twisselmann 1965-5-4 10645 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Dorothy Twisselmann Ranch, eastern SLO county. 670 Comment
  CAS-BOT-BC36969  Cakile maritima var. maritima Ernest C. Twisselmann 1959-11-2 5896 San Luis Obispo Oceano Dunes west of Oso Flaco Lake. 6 Comment
  CAS-BOT-BC370864  Lasthenia minor Ernest C. Twisselmann 1954-3-26 945 San Luis Obispo Chris Twisselmann Ranch: 7 miles south of Cholame 670 Comment
  CAS-BOT-BC374477  Sonchus asper Ernest C. Twisselmann 1952-5-16 522 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch, eastern San Luis Obispo County 670 Comment
  CAS-BOT-BC374480  Sonchus asper Ernest C. Twisselmann 1954-5-28 1303 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch: Eastern San Luis Obispo County Comment
  CAS-BOT-BC374621  Sonchus oleraceus Ernest C. Twisselmann 1971-12-9 18553 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Dorothy Twisselmann Ranch, eastern San Luis Obispo County 670 Comment
  CAS-BOT-BC374623  Sonchus oleraceus Ernest C. Twisselmann 1954-5-28 1303 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch: Eastern San Luis Obispo County Comment
  CAS-BOT-BC375265  Stephanomeria elata Ernest C. Twisselmann 1957-11-2 4112 San Luis Obispo Morro Rock 15 Comment
  CAS-BOT-BC375290  Stephanomeria exigua subsp. carotifera Ernest C. Twisselmann 1959-8-5 5564 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Dorothy Twisselmann Ranch, summit of Choice Valley 655 Comment
  CAS-BOT-BC375451  Stephanomeria exigua subsp. exigua Ernest C. Twisselmann 1952-6-11 520 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Twisselmann Ranch, eastern San Luis Obispo County Comment
  CAS-BOT-BC375901  Stephanomeria virgata Ernest C. Twisselmann 1959-8-5 5564 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Dorothy Twisselmann Ranch, summit of Choice Valley 655 Comment
  CAS-BOT-BC375903  Stephanomeria virgata Ernest C. Twisselmann 1957-11-2 4112 San Luis Obispo Morro Rock 15 Comment
  CAS-BOT-BC376971  Taraxacum officinale Ernest C. Twisselmann 1953-9-11 762 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Twisselmann Ranch, eastern San Luis Obispo County Comment
  CAS-BOT-BC38237  Caulanthus anceps Ernest C. Twisselmann 1962-3-28 6730 San Luis Obispo Cottonwood Pass, about 3.3 miles east of Cholame. 426 Comment
  CAS-BOT-BC382418  Xanthium spinosum Ernest C. Twisselmann 1958-8-11 4674 San Luis Obispo Dorothy Twisselmann Ranch, eastern San Luis Obispo County. 670 Comment
  CAS-BOT-BC382420  Xanthium spinosum Ernest C. Twisselmann 1958-8-11 4674 San Luis Obispo Dorothy Twisselmann Ranch: eastern San Luis Obispo County. 670 Comment
  CAS-BOT-BC382755  Uropappus lindleyi Ernest C. Twisselmann 1953-3-7 510 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch, eastern San Luis Obispo County 670 Comment
  CAS-BOT-BC383895  Abronia latifolia Ernest C. Twisselmann 1959-11-2 5899 San Luis Obispo Oceano Dunes west of Oso Flaco Lake 6 Comment
  CAS-BOT-BC390895  Spergularia marina Ernest C. Twisselmann 1969-11-28 16358 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Twisselmann Lake, San Andreas Fault at the summit of Palo Prieta Canyon 701 Comment
  CAS-BOT-BC402819  Eschscholzia caespitosa Ernest C. Twisselmann 1956-4-3 2607 San Luis Obispo La Panza Range. Upper Cammatta Canyon 502 Comment
  CAS-BOT-BC403477  Eschscholzia californica Ernest C. Twisselmann 1969-6-22 15639 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Dorothy Twisselmann Ranch at the head of Choice Valley 640 Comment
  CAS-BOT-BC403509  Eschscholzia californica Ernest C. Twisselmann 1969-6-22 15639 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Dorothy Twisselmann Ranch at the head of Choice Valley 640 Comment
  CAS-BOT-BC403519  Eschscholzia californica Ernest C. Twisselmann 1956-4-3 2607 San Luis Obispo La Panza Range. Upper Cammatta Canyon 502 Comment
  CAS-BOT-BC40958  Caulanthus coulteri Ernest C. Twisselmann 1962-3-28 6731 San Luis Obispo Cottonwood Pass, about 3.3 miles east of Cholame. 426 Comment
  CAS-BOT-BC419067  Persicaria lapathifolia Ernest C. Twisselmann 1968-10-21 15036 San Luis Obispo Paso Robles: Salinas River just north of the Highway 46 bridge 181 Comment
  CAS-BOT-BC419068  Persicaria lapathifolia Ernest C. Twisselmann 1968-10-21 15036 San Luis Obispo Paso Robles: Salinas River just north of the Highway 46 bridge 181 Comment
  CAS-BOT-BC433534  Rumex fueginus Ernest C. Twisselmann 1959-11-2 5888 San Luis Obispo Southwest end of Oso Flaco Lake. 4 Comment
  CAS-BOT-BC433535  Rumex fueginus Ernest C. Twisselmann 1959-11-2 5888 San Luis Obispo Southwest end of Oso Flaco Lake. 4 Comment
  CAS-BOT-BC45175  Anaphalis margaritacea Ernest C. Twisselmann 1965-11-2 11715 San Luis Obispo Highway 1, just north of San Carpojo Creek 60 Comment
  CAS-BOT-BC45176  Anaphalis margaritacea Ernest C. Twisselmann 1965-11-2 11715 San Luis Obispo Highway 1, just north of San Carpojo Creek 60 Comment
  CAS-BOT-BC46079  Agoseris heterophylla var. cryptopleura Ernest C. Twisselmann 1952-4-26 512 San Luis Obispo Twisselmann Ranch, eastern San Luis Obispo County (above the ranch house) 649 Comment
  CAS-BOT-BC47744  Melia azedarach Ernest C. Twisselmann 1971-11-18 18525 San Luis Obispo Dorothy Twisselmann Ranch, eastern San Luis Obispo County, California 670 Comment
  CAS-BOT-BC52646  Frangula californica subsp. californica Ernest C. Twisselmann; Donald J. Bedell 1969-7-5 15658 San Luis Obispo Salinas River 5 miles South of Paso Robles 182 Comment
  CAS-BOT-BC52660  Frangula californica subsp. californica Ernest C. Twisselmann; Donald J. Bedell 1969-7-5 15658 San Luis Obispo Salinas River 5 miles south of Paso Robles 182 Comment
  CAS-BOT-BC55421  Hirschfeldia incana Ernest C. Twisselmann 1952-6-21 235 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Twisselmann Ranch, 7 miles south of Cholame. Comment
  CAS-BOT-BC55425  Hirschfeldia incana Ernest C. Twisselmann 1968-6-14 14331 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Dorthoy Twisselmann Ranch, eastern SLO county. 670 Comment
  CAS-BOT-BC55426  Hirschfeldia incana Ernest C. Twisselmann 1968-6-14 14331 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Dorthoy Twisselmann Ranch, eastern SLO county. 670 Comment
  CAS-BOT-BC55570  Ambrosia psilostachya Ernest C. Twisselmann 1959-11-2 5887 San Luis Obispo Southwest end of Oso Flaco Lake 4 Comment
  CAS-BOT-BC56176  Ziziphus jujuba Ernest C. Twisselmann 1968-9-11 14925 San Luis Obispo Dorothy Twisselmann Ranch, eastern San Luis Obispo County 670 Comment
  CAS-BOT-BC64522  Ailanthus altissima Ernest C. Twisselmann 1968-9-6 14920 San Luis Obispo Dorothy Twisselmann Ranch, eastern San Luis Obispo Co. 670 Comment
  CAS-BOT-BC64523  Ailanthus altissima Ernest C. Twisselmann 1954-7-16 1427 San Luis Obispo Twisselmann Ranch: Eastern San Luis Obispo Co. Shandon. 640 Comment
  CAS-BOT-BC69605  Adiantum capillus-veneris Ernest C. Twisselmann 1965-11-2 11712 San Luis Obispo Highway 1 just n. of San Carpojo Creek. 60 Comment
  CAS-BOT-BC73837  Tropidocarpum gracile Ernest C. Twisselmann 1954-4-16 1067 San Luis Obispo Temblor Range and Western San Joaquin Valley. Chris Twisselmann Ranch. Eastern SLO county. 640 Comment
  CAS-BOT-BC74335  Raphanus sativus Ernest C. Twisselmann 1952-7-31 234 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Twisselmann Ranch, 7 miles south of Cholame. Comment
  CAS-BOT-BC74434  Rorippa curvisiliqua Ernest C. Twisselmann; Donald J. Bedell 1969-7-5 15664 San Luis Obispo Salinas River 5 miles south of Paso Robles. 182 Comment
  CAS-BOT-BC74977  Sinapis arvensis Ernest C. Twisselmann 1953-4-1 236 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Twisselmann Ranch, 7 miles south of Cholame. Comment
  CAS-BOT-BC74978  Sinapis arvensis Ernest C. Twisselmann 1952-5-1 242 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch. Comment
  CAS-BOT-BC74980  Sinapis arvensis Ernest C. Twisselmann 1954-4-29 1117 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch. Comment
  CAS-BOT-BC74982  Sinapis arvensis Ernest C. Twisselmann 1955-5-2 1917 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch. 670 Comment
  CAS-BOT-BC75456  Sisymbrium orientale Ernest C. Twisselmann 1968-6-14 14330 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Dorothy Twisselmann Ranch, eastern S.L.O county. 670 Comment
  CAS-BOT-BC75460  Sisymbrium orientale Ernest C. Twisselmann 1969-6-22 15643 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Dorothy Twisselmann Ranch at the head of Choice Valley. 640 Comment
  CAS-BOT-BC77901  Woodwardia fimbriata Ernest C. Twisselmann 1965-11-2 11714 San Luis Obispo Highway 1, just north of San Carpojo Creek 60 Comment
  CAS-BOT-BC77902  Woodwardia fimbriata Ernest C. Twisselmann 1965-11-2 11714 San Luis Obispo Highway 1, just north of San Carpojo Creek 60 Comment
  CAS-BOT-BC78576  Pinus coulteri Ernest C. Twisselmann 1971-12-9 18551 San Luis Obispo Dorothy Twisselmann Ranch, eastern San Luis Obispo County Comment
Read comments
May 19 2018
  CAS-BOT-BC81056  Juniperus californica Ernest C. Twisselmann 1971-12-5 18538 San Luis Obispo Dorothy Twisselmann Ranch, eastern San Luis Obispo County 670 Comment
  CAS-BOT-BC81152  Juniperus occidentalis Ernest C. Twisselmann 1971-12-5 18534 San Luis Obispo Dorothy Twisselmann Ranch, eastern San Luis Obispo County Comment
Read comments
Jul 25 2018
  CAS-BOT-BC88570  Hornungia procumbens Ernest C. Twisselmann 1955-3-22 1741 San Luis Obispo Temblor Range and the Western San Joaquin Valley. South end of Soda Lake, Carissa Plains. 579 Comment
  CAS-BOT-BC88719  Lepidium acutidens Ernest C. Twisselmann 1952-3-16 251 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch. 609 Comment
  CAS-BOT-BC88903  Lepidium densiflorum var. densiflorum Ernest C. Twisselmann 1962-7-16 7429 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Dortothy Twisselmann Ranch, eastern SLO county. 670 Comment
  CAS-BOT-BC88904  Lepidium densiflorum var. densiflorum Ernest C. Twisselmann 1962-7-16 7429 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Dortothy Twisselmann Ranch, eastern SLO county. 670 Comment
  CAS-BOT-BC89013  Lepidium dictyotum Ernest C. Twisselmann 1955-4-26 1904 San Luis Obispo Temblor Range and the Western San Joaquin Valley. South end of Soda Lake, Carissa Plains. 609 Comment
  CAS-BOT-BC89014  Lepidium dictyotum Ernest C. Twisselmann 1955-4-26 1904 San Luis Obispo Temblor Range and the Western San Joaquin Valley. South end of Soda Lake, Carissa Plains. 609 Comment
  CAS-BOT-BC89015  Lepidium dictyotum Ernest C. Twisselmann 1955-4-26 1905 San Luis Obispo Temblor Range and the Western San Joaquin Valley. South end of Soda Lake, Carissa Plains. 609 Comment
  CAS-BOT-BC89017  Lepidium dictyotum Ernest C. Twisselmann 1962-3-15 6701 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Dorothy Twisselmann Ranch, eastern SLO county. 670 Comment
  CAS-BOT-BC89018  Lepidium dictyotum Ernest C. Twisselmann 1962-3-15 6701 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Dorothy Twisselmann Ranch, eastern SLO county. 670 Comment
  CAS-BOT-BC89206  Lepidium draba Ernest C. Twisselmann 1959-11-2 5905 San Luis Obispo Oso Flaco Road, 1 mile east of Oso Flaco Lake. 9 Comment
  CAS-BOT-BC92478  Ribes aureum var. gracillimum Ernest C. Twisselmann 1969-4-24 15174 San Luis Obispo Sulphur Spring Canyon, Santa Ysabel Ranch, 5 miles south of Paso Robles. 198 Comment
  CAS-BOT-BC92705  Clematis ligusticifolia Ernest C. Twisselmann 1951-8-1 214 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Horseshoe Canyon, central Temblor Range. 853 Comment
  CAS-BOT-BC93220  Platanus racemosa Ernest C. Twisselmann 1968-10-21 15040 San Luis Obispo Paso Robles. Salinas River just north of the Highway 46 bridge. 181 Comment
  CAS-BOT-BC93221  Platanus racemosa Ernest C. Twisselmann 1968-10-21 15040 San Luis Obispo Paso Robles. Salinas River just north of the Highway 46 bridge. 181 Comment
  CAS-BOT-BC93927  Artemisia douglasiana Ernest C. Twisselmann 1965-11-2 11693 San Luis Obispo Arroyo de la Cruz (between Highway 1 and the ocean). 6 Comment
  CAS-BOT-BC97255  Artemisia tridentata subsp. parishii Ernest C. Twisselmann 1968-9-11 14924 San Luis Obispo Dorothy Twisselmann Ranch, eastern San Luis Obispo County Comment
  CAS-BOT-BC97257  Artemisia tridentata subsp. parishii Ernest C. Twisselmann 1968-9-11 14924 San Luis Obispo Dorothy Twisselmann Ranch, eastern San Luis Obispo County Comment
  CAS-BOT-BC99117  Symphyotrichum chilense Ernest C. Twisselmann 1966-8-23 12721 San Luis Obispo Temblor Range and the Western San Joaquin Valley - Loffaly Spring, Dorothy Twisselmann Ranch 640 Comment
  CAS-BOT-BC99118  Symphyotrichum chilense Ernest C. Twisselmann 1966-8-23 12721 San Luis Obispo Temblor Range and the Western San Joaquin Valley - Loffaly Spring, Dorothy Twisselmann Ranch 640 Comment
  CDA3633  Brassica juncea E. C. Twisselmann 1965-5-4 10645 San Luis Obispo Temblor Range & Western San Joaquin Valley; Dorothy Twisselmann Ranch, eastern San Luis Obispo County. Comment
  JEPS18673  Cichorium intybus Ernest C. Twisselmann 1955-9-9 2373 San Luis Obispo 1.5 mi s of the Palo Prieta summit Choice Valley Road; Temblor Range, Western San Joachin Valley 594 Comment
Read comments
Apr 28 2015
  JEPS24100  Castilleja affinis subsp. affinis Ernest C. Twisselmann 1959-4-10 5029 San Luis Obispo See Canyon Irish Hills 106 Comment
  JEPS26360  Ageratina adenophora Ernest C. Twisselmann 1959-4-10 5030 San Luis Obispo see canyon Irish Hills 106 Comment
  JEPS26368  Hypochaeris glabra Ernest C. Twisselmann 1959-5-23 5264 San Luis Obispo just w of Baywood; Morro Bay 3 Comment
  JEPS26369  Calendula officinalis Ernest C. Twisselmann 1959-5-23 5260 San Luis Obispo mouth of Toro Creek near Cayucos Cemetery; Mouth of Toro Creek 9 Comment
  JEPS26372  Silybum marianum Ernest C. Twisselmann 1959-5-23 5276 San Luis Obispo Point Buchon 10 Comment
  JEPS27630  Stephanomeria exigua subsp. coronaria Ernest C. Twisselmann 1959-8-5 5564 San Luis Obispo Dorothy Twisselmann Ranch, summit of Choice Valley Western San Joaquin Valley, Temblor Range, Choice Valley 655 Comment
  JEPS27631  Stephanomeria pauciflora var. pauciflora Ernest C. Twisselmann 1959-8-5 5565 San Luis Obispo Dorothy Twisselmann Ranch, summit of Choice Valley, Western San Joaquin Valley, Temblor Range 655 Comment
  JEPS27695  Cirsium vulgare Ernest C. Twisselmann 6350 San Luis Obispo Grant's Lake, e San Luis Obispo County, Western San Joaquin Valley Western San Joaquin Valley, Temblor Range, Grant's Lake 594 Comment
  JEPS31026  Ericameria ericoides Ernest C. Twisselmann 1959-11-2 5907 San Luis Obispo 1 mi s Pismo Beach; Oceano Dunes 4 Comment
  JEPS31029  Corethrogyne filaginifolia Ernest C. Twisselmann 1959-11-2 5894 San Luis Obispo at Oso flaco Lake; Oceano Dunes 6 Comment
  JEPS31051  Pseudognaphalium stramineum Ernest C. Twisselmann 1959-11-2 5890 San Luis Obispo sw end Oso Flaco Lake 4 Comment
  JEPS31052  Ambrosia psilostachya Ernest C. Twisselmann 1959-11-2 5887 San Luis Obispo Shandon; Oso Flaco Lake Comment
Read comments
Sep 15 2014
  JEPS31070  Malacothrix incana Ernest C. Twisselmann 1959-11-2 5895 San Luis Obispo w of Oso Flaco Lake; Oceano Dunes 4 Comment
  JEPS31260  Sonchus oleraceus Ernest C. Twisselmann 1962-10-20 7931 San Luis Obispo Dorothy Twisselmann Ranch Western San Joaquin Valley, Temblor Range, Dorothy Twisselma (Temblor Range, western San Joaquin Valley, eastern San Luis Obispo County) 670 Comment
  JEPS32608  Tragopogon porrifolius Ernest C. Twisselmann 1963-6-7 8382 San Luis Obispo Carter Place, Choice Valley Western San Joaquin Valley, Temblor Range, Choice Valley 640 Comment
  JEPS32768  Centaurea solstitialis Ernest C. Twisselmann 1963-8-4 8823 San Luis Obispo at the Twisselmann Ranch cattle guard Palo Prieta Canyon (w San Joaquin Valley); San Joaquin Valley, Temblor Range 579 Comment
  JEPS51946  Pseudognaphalium luteoalbum Ernest C. Twisselmann 1965-11-2 11695 San Luis Obispo between ocean and Highway 1; Arroyo de la Cruz 4 Comment
  JEPS51969  Artemisia douglasiana Ernest C. Twisselmann 1965-11-2 11693 San Luis Obispo Arroyo de la Cruz, between Highway 1 and the ocean Arroyo de la Cruz 6 Comment
  JEPS51971  Lonicera involucrata var. ledebourii Ernest C. Twisselmann 1965-11-2 11694 San Luis Obispo between ocean and Highway 1; Arroyo de la Cruz 9 Comment
  JEPS51973  Dipsacus sativus Ernest C. Twisselmann 1965-11-2 11689 San Luis Obispo Highway 1 just n of San Simeon Beach 30 Comment
  JEPS51981  Brickellia californica Ernest C. Twisselmann 1965-11-2 11718 San Luis Obispo Ragged Point 45 Comment
  JEPS51982  Solidago velutina subsp. californica Ernest C. Twisselmann 1965-11-2 11709 San Luis Obispo Highway 1 on the s side San Carpojo Creek; s side San Carpojo Creek 30 Comment
  JEPS52247  Conyza bonariensis Ernest C. Twisselmann 1966-9-20 12803 San Luis Obispo T. Franklin Twisselman Ranch Temblor Range, Western San Joaquin Valley, Choice Valley 640 Comment
  JEPS54404  Pseudognaphalium biolettii Ernest C. Twisselmann 1967-4-27 12933 San Luis Obispo Ragged Point Santa Lucia Range, Ragged Point 60 Comment
  JEPS54440  Plantago major Ernest C. Twisselmann 1967-9-9 13694 San Luis Obispo Ortega Spring, Palo Prieta Canyon Western San Joaquin Valley, Temblor Range 598 Comment
  JEPS57847  Artemisia biennis Ernest C. Twisselmann 1968-10-21 15046 San Luis Obispo just below the bridge Highway 46; Salinas River, Paso Robles 181 Comment
  JEPS60755  Mimulus pilosus Ernest C. Twisselmann and Donald J. Bedell 1969-7-5 15655 San Luis Obispo 5 mi s Paso Robles; Salinas River 182 Comment
  JEPS60797  Galium porrigens var. porrigens Ernest C. Twisselmann 1969-4-24 15200 San Luis Obispo 5 mi s Paso Robles (e side of Salinas River); Santa Ysabel Ranch 228 Comment
  JEPS60850  Hypochaeris glabra Ernest C. Twisselmann 1969-4-14 15117 San Luis Obispo 6 mi s of Creston Cammata Rd; La Panza Range. 419 Comment
  JEPS60961  Physalis philadelphica Ernest C. Twisselmann 1969-11-15 16336 San Luis Obispo 5 mi s Paso Robles; Salinas River 182 Comment
  JEPS64715  Euthamia occidentalis Ernest C. Twisselmann 1970-11-3 17567 San Luis Obispo 1 mi E of Shandon on old Hwy 41 Comment
  JEPS75288  Heterotheca grandiflora Ernest C. Twisselmann 1972-9-23 19280 San Luis Obispo T. Franklin Twisselmann home Choice Valley 640 Comment
  LA83798  Eryngium vaseyi Ernest C. Twisselmann; 1960-8-3 5980 San Luis Obispo CHOICE VALLEY, Bitterwater Rd 1.25 mi N of the Choice Valley School. 601 Comment
  OBI15189  Sisymbrium irio Ernest C. Twisselmann 1954-8-6 1493 San Luis Obispo Temblor Range and Western San Joaquin Valley. Chris Twisselmann Ranch: E San Luis Obispo county 668 Comment
  OBI15605  Stebbinsoseris heterocarpa Ernest C. Twisselmann 1954-4-12 1075 San Luis Obispo Temblor Range and W San Joaquin Valley. Home Ranch: Tank Hill, E San Luis Obispo county 671 Comment
  OBI22223  Setaria verticillata Ernest C. Twisselmann 1953-9-9 761 San Luis Obispo Temblor Range and W San Joaquin Valley. Chris Twisselmann Ranch: E San Luis Obispo County 637 Comment
  OBI22344  Chloris virgata Ernest C. Twisselmann 1954-11-12 1669 San Luis Obispo Plants of the Temblor Range and the Western San Joaquin Valley; Chris Twisselmann Ranch, eastern San Luis Obispo County Comment
  OBI22345  Chloris virgata Ernest C. Twisselmann 1955-8-8 2299 San Luis Obispo Plants of the Temblor Range and the Western San Joaquin Valley; Chris Twisselmann Ranch, eastern San Luis Obispo County 671 Comment
  OBI22373  Bromus catharticus Ernest C. Twisselmann 1954-5-6 1177 San Luis Obispo Plants of the Temblor Range and Western San Juaquin Valley; Chris Twisselmann Ranch: Eastern San Luis Obispo County 655 Comment
  OBI77592  Stebbinsoseris heterocarpa Ernest C. Twisselmann 1953-3-7 508 San Luis Obispo Temblor Range and W San Joaquin Valley. Chris Twisselmann Ranch: E San Luis Obispo county. Near Spring Lake 652 Comment
  OBI9123  Solanum americanum Ernest C. Twisselmann 1954-6-19 1383 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Twisselmann Ranch: E San Luis Obispo county Comment
  RSA115516  Salicornia virginica E. C. Twisselmann 1955-10-1 2436 San Luis Obispo Southern end of Morro Bay. 0 Comment
  RSA115622  Mentzelia dispersa E. C. Twisselmann 1955-6-21 2181 San Luis Obispo Chris Twisselmann Ranch, eastern San Luis Obispo Co., Temblor Range and Western San Joaquin Valley. 694 Comment
  RSA116509  Erodium macrophyllum E. C. Twisselmann 1954-4-16 1066 San Luis Obispo Twisselmann Ranch, (Mt. Cholame), Eastern San Luis Obispo County 655 Comment
  RSA116532  Cyperus eragrostis Ernest C. Twisselmann 1954-11-7 1652 San Luis Obispo Temblor Range and Wester San Joaquin Valley: Chris Twisselmann Ranch, eastern San Luis Obispo County Comment
  RSA116813  Astragalus pomonensis E. C. Twisselmann 1956-6-1 2891 San Luis Obispo South end of Morro Bay, near Baywood Park. 305 Comment
  RSA162566  Melilotus indicus E. C. Twisselmann 1963-6-6 8380 San Luis Obispo Dorothy Twisselmann Ranch. 671 Comment
  RSA164039  Caesalpinia gilliesii E. C. Twisselmann 1963-8-23 8886 San Luis Obispo Dorothy Twisselmann Ranch. 671 Comment
  RSA164042  Phalaris californica E. C. Twisselmann 1963-12-13 9205 San Luis Obispo Dorothy Twisselmann Ranch 671 Comment
  RSA164044  Atriplex canescens E. C. Twisselmann 1963-12-13 9702 San Luis Obispo Dorothy Twisselmann Ranch. (Plants of the Temblor Range and Western San Joaquin Valley.) 671 Comment
  RSA164084  Amaranthus deflexus E. C. Twisselmann 1963-9-14 8977 San Luis Obispo Dorothy Twisselmann Ranch 671 Comment
  RSA164121  Eriogonum cinereum E. C. Twisselmann 1963-11-10 9091 San Luis Obispo Dorothy Twisselmann Ranch, eastern San Luis Obispoo Co. 671 Comment
  RSA164122  Eriogonum cinereum E. C. Twisselmann 1963-11-10 9090 San Luis Obispo Dorothy Twisselmann Ranch, eastern San Luis Obispoo Co. 671 Comment
  RSA164137  Amaranthus retroflexus E. C. Twisselmann 1963-9-14 8978 San Luis Obispo Dorothy Twisselmann Ranch 671 Comment
  RSA164154  Amaranthus retroflexus E. C. Twisselmann 1963-8-23 8882 San Luis Obispo Dorothy Twisselmann Ranch 671 Comment
  RSA180052  Erodium macrophyllum E. C. Twisselmann 1965-3-23 10496 San Luis Obispo Pinole Hills at the head of Bitterwater Creek 671 Comment
  RSA180968  Juncus bufonius var. congestus Ernest C. Twisselmann 1965-11-2 11704 San Luis Obispo Arroyo de la Cruz (between Highway 1 and the ocean). 12 Comment
  RSA195185  Gilia tenuiflora subsp. amplifaucalis E. C. Twisselmann 1967-5-8 13008 San Luis Obispo Slope north of Shell Creek 488 Comment
  RSA195255  Agrostis stolonifera Ernest C. Twisselmann 1967-8-23 13572 San Luis Obispo Dorothy Twisselmann Ranch, Temblor Range; Western San Joaquin Valley 671 Comment
  RSA195890  Gilia tenuiflora subsp. amplifaucalis E. C. Twisselmann 1967-5-8 13008 San Luis Obispo Slope north of Shell Creek 488 Comment
  RSA202533  Eryngium vaseyi E. C. Twisselmann 1968-9-12 14926 San Luis Obispo T. Franklin Twisselmann Ranch, Choice Valley 610 Comment
  RSA211961  Erodium brachycarpum E. C. Twisselmann 1969-4-24 15156 San Luis Obispo Bedell Ranch, 5 miles southeast of Creston, La Panza Range. 351 Comment
  RSA211977  Camissonia strigulosa E. C. Twisselmann 1969-6-22 15640 San Luis Obispo Dorothy Twisselmann Ranch at the head of Choice Valley 640 Comment
  RSA212007  Collinsia bartsiifolia var. bartsiifolia E. C. Twisselmann 1969-4-24 15154 San Luis Obispo Bedell Ranch, 5 miles southeast of Creston, La Panza Range. 351 Comment
  RSA212018  Astragalus macrodon E. C. Twisselmann 1969-4-14 15113 San Luis Obispo La Panza Range: Shell Creek (near the quail guzzler) 419 Comment
  RSA212019  Rorippa curvisiliqua E. C. Twisselmann, D. J. Bedell 1969-7-5 15664 San Luis Obispo Salinas River 5 miles S of Paso Robles 183 Comment
  RSA212039  Gilia tenuiflora subsp. amplifaucalis E. C. Twisselmann 1969-4-14 15106 San Luis Obispo Bedell ranch, 5 miles southeast of Creston 419 Comment
  RSA212054  Sisymbrium orientale E. C. Twisselmann 1969-4-24 15155 San Luis Obispo Bedell Ranch, 5 miles southeast of Creston, La Panza Range. 351 Comment
  RSA212539  Nicotiana bigelovii E. C. Twisselmann, D. J. Bedell 1969-7-5 15657 San Luis Obispo Salinas River 5 miles S of Paso Robles 183 Comment
  RSA212557  Rhamnus californica E. C. Twisselmann 1969-7-5 15658 San Luis Obispo Salinas River 5 miles S of Paso Robles 183 Comment
  RSA212567  Nicotiana acuminata E. C. Twisselmann, D. J. Bedell 1969-7-5 15650 San Luis Obispo Salinas River 5 miles S of Paso Robles 183 Comment
  RSA212579  Anthemis cotula E. C. Twisselmann, D. J. Bedell 1969-7-5 15648 San Luis Obispo Salinas River 5 miles S of Paso Robles 183 Comment
  RSA212582  Cerastium glomeratum E. C. Twisselmann 1969-4-24 15157 San Luis Obispo Bedell Ranch, 5 miles southeast of Creston, La Panza Range. 351 Comment
  RSA220207  Juncus bufonius Ernest C. Twisselmann 1969-11-28 16362 San Luis Obispo Twisselmann Lake, San Andreas Fault at the summit of Palo Prieta Canyon. 701 Comment
  RSA220213  Polypogon monspeliensis E. C. Twisselmann 1969-11-28 16359 San Luis Obispo Twisselmann Lake, San Andreas Fault at the summit of Palo Prieta Canyon. 701 Comment
  RSA220215  Mentha aquatica E. C. Twisselmann, Donald J. Bedell 1969-11-15 16337 San Luis Obispo Salinas River, 5 miles south of Paso Robles. 183 Comment
  RSA221656  Amaranthus palmeri E. C. Twisselmann 1970-9-14 17502 San Luis Obispo T. Franklin Twisselmann Ranchgrounds, Choice Valley 640 Comment
  RSA221657  Monolepis nuttalliana E. C. Twisselmann 1970-4-19 16364 San Luis Obispo Twisselmann Lake. 686 Comment
  RSA231889  Silybum marianum E. C. Twisselmann 1971-12-5 18535 San Luis Obispo Dorothy Twisselmann Ranch, eastern San Luis Obispo County Comment
  RSA231932  Medicago polymorpha E. C. Twisselmann 1971-11-12 18515 San Luis Obispo Dorothy Twisselmann Ranch. 671 Comment
  RSA302136  Amaranthus retroflexus E. C. Twisselmann 1971-8-12 18067 San Luis Obispo Templeton 274 Comment
  RSA302195  Conium maculatum E. C. Twisselmann 1971-5-20 17679 San Luis Obispo Dorothy Twisselmann Ranch 671 Comment
  RSA318067  Malva parviflora E. C. Twisselmann 1971-12-9 18569 San Luis Obispo Dorothy Twisselmann Ranch, eastern San Luis Obispo Co. 671 Comment
  SBBG109702  Mucronea californica E. C. Twisselmann 1956-6-1 2889 San Luis Obispo S end of Morro Bay near Baywood Park 30 Comment
  SBBG113979  Erodium brachycarpum E. C. Twisselmann 1961-4-3 6032 San Luis Obispo head of Palo Prieto Crk, Dorothy Twisselmann Ranch 609 Comment
  SBBG113987  Melilotus officinalis E. C. Twisselmann 1964-7-1 9703 San Luis Obispo Dorothy Twisselmann Ranch 670 Comment
  SBBG113988  Melilotus officinalis E. C. Twisselmann 1960-7-19 5975 San Luis Obispo Dorothy Twisselmann Ranch 670 Comment
  SBBG14479  Chorizanthe membranacea E. C. Twisselmann 1962-4-27 7020 San Luis Obispo Palo Prieto Cyn, 3 mi S of Cholame 548 Comment
  SBBG14482  Papaver hybridum E. C. Twisselmann 1962-4-29 7027 San Luis Obispo Choice Valley Hills: hill just E of Sinsheimer Flat 624 Comment
  SBBG14584  Lepidospartum squamatum E. C. Twisselmann 1962-11-9 7940 San Luis Obispo ca. 0.25 mi W of the Choice Valley School 609 Comment
  SBBG14595  Xanthium strumarium E. C. Twisselmann 1962-10-5 7907 San Luis Obispo Grant Lake 594 Comment
  SBBG14607  Eriogonum nudum E. C. Twisselmann 1962-10-12 7920 San Luis Obispo hills at the summit of Palo Prieto Cyn 655 Comment
  SBBG14608  Chorizanthe biloba var. biloba E. C. Twisselmann 1962-10-12 7921 San Luis Obispo head of Palo Prieto Crk Comment
  SBBG14619  Blepharizonia plumosa subsp. viscida E. C. Twisselmann 1962-10-5 7905 San Luis Obispo E of Grant Lake 579 Comment
Read comments
Sep 14 2018
  SBBG14631  Baccharis salicifolia E. C. Twisselmann 1962-12-28 8013 San Luis Obispo Grant Lake 579 Comment
  SBBG14634  Atriplex rosea E. C. Twisselmann 1962-8-23 7690 San Luis Obispo O'Brien Lake, hills at the summit of Palo Prieto Cyn 640 Comment
  SBBG14678  Heterotheca sessiliflora subsp. echioides E. C. Twisselmann 1962-10-10 7914 San Luis Obispo Carrisa Plains School 624 Comment
  SBBG14734  Caulanthus lemmonii E. C. Twisselmann 1962-3-28 6731 San Luis Obispo Cottonwood Pass, ca. 3.3 mi E of Cholame Comment
  SBBG14738  Fritillaria biflora E. C. Twisselmann 1962-3-26 6716 San Luis Obispo Palo Prieto Cyn, 3.5 mi S of Cholame 594 Comment
  SBBG14745  Hesperomecon linearis E. C. Twisselmann 1962-3-26 6711 San Luis Obispo Palo Prieto Cyn, 4 mi S of Cholame 563 Comment
  SBBG14746  Sphaeralcea emoryi E. C. Twisselmann 1962-6-23 7420 San Luis Obispo Dorothy Twisselmann Ranch 670 Comment
  SBBG14747  Amsinckia tessellata E. C. Twisselmann 1962-3-18 6706 San Luis Obispo hills at the summit of Palo Prieto Cyn 655 Comment
  SBBG14748  Pholistoma membranaceum E. C. Twisselmann 1962-3-18 6705 San Luis Obispo hills at the summit of Palo Prieto Cyn 655 Comment
  SBBG14750  Stellaria nitens E. C. Twisselmann 1962-3-19 6710 San Luis Obispo Choice Valley, 0.25 mi S of Grant lake 563 Comment
  SBBG14751  Leptosyne calliopsidea E. C. Twisselmann 1962-3-18 6704 San Luis Obispo summit of Palo Prieto Cyn 655 Comment
  SBBG14955  Epilobium densiflorum E. C. Twisselmann 1962-7-12 7426 San Luis Obispo vernal pool bed at the summit of Palo Prieto Cyn 609 Comment
  SBBG14956  Eruca vesicaria E. C. Twisselmann 1962-7-10 7425 San Luis Obispo Cholame Crk at Bitterwater Rd 335 Comment
  SBBG14978  Stephanomeria exigua subsp. carotifera E. C. Twisselmann 1962-10-10 7915 San Luis Obispo Carrisa Plains School grounds 624 Comment
  SBBG15021  Nemophila menziesii var. menziesii E. C. Twisselmann 1962-4-7 6767 San Luis Obispo Goldtree Hills, 0.5 mi SW of Grant Lake 601 Comment
  SBBG15038  Stachys rigida E. C. Twisselmann 1962-10-12 7918 San Luis Obispo Dorothy Twisselmann Ranch 670 Comment
  SBBG15070  Sanicula bipinnata E. C. Twisselmann 1962-4-7 6768 San Luis Obispo Goldtree Hills, 0.5 mi SW of Grant Lake 601 Comment
  SBBG16067  Isocoma acradenia var. bracteosa E. C. Twisselmann 1962-10-5 7846 San Luis Obispo hills at the summit of Palo Prieto Cyn 655 Comment
  SBBG16070  Sonchus oleraceus E. C. Twisselmann 1962-10-20 7931 San Luis Obispo Dorothy Twisselmann Ranch 670 Comment
  SBBG16073  Amaranthus albus E. C. Twisselmann 1962-10-20 7932 San Luis Obispo Dorothy Twisselmann Ranch 670 Comment
  SBBG16082  Antirrhinum ovatum E. C. Twisselmann 1962-8-23 7695 San Luis Obispo hills at the summit of Palo Prieto Cyn 701 Comment
  SBBG16108  Medicago polymorpha E. C. Twisselmann 1962-10-21 7937 San Luis Obispo Dorothy Twisselmann Ranch 670 Comment
  SBBG16111  Solanum douglasii E. C. Twisselmann 1962-10-21 7935 San Luis Obispo Dorothy Twisselmann Ranch 670 Comment
  SBBG16114  Nicotiana quadrivalvis E. C. Twisselmann 1962-8-23 7694 San Luis Obispo hills at summit of Palo Prieta Cyn 701 Comment
  SBBG16126  Xanthium spinosum E. C. Twisselmann 1962-10-21 7938 San Luis Obispo Dorothy Twisselmann Ranch 670 Comment
  SBBG16128  Polygonum aviculare E. C. Twisselmann 1962-8-23 7685 San Luis Obispo O'Brien Lake, hills at the summit of Palo Prieto Cyn 640 Comment
  SBBG16152  Croton setiger E. C. Twisselmann 1962-8-23 7696 San Luis Obispo hills at the summit of Palo Prieto Cyn 670 Comment
  SBBG16156  Chamaesyce ocellata E. C. Twisselmann 1962-8-23 7701 San Luis Obispo Dorothy Twisselmann Ranch grounds 670 Comment
  SBBG16157  Stephanomeria pauciflora E. C. Twisselmann 1962-8-23 7686 San Luis Obispo summit of Palo Prieto Cyn 640 Comment
  SBBG16170  Mentzelia dispersa E. C. Twisselmann 1962-8-23 7687 San Luis Obispo hills at the summit of Palo Prieto Cyn 701 Comment
  SBBG16234  Polypogon monspeliensis E. C. Twisselmann 1962-8-23 7688 San Luis Obispo O'Brien Lake, hills at the summit of Palo Prieto Cyn 640 Comment
  SBBG16260  Asclepias fascicularis E. C. Twisselmann 1962-8-23 7697 San Luis Obispo hills at the summit of Palo Prieto Cyn 655 Comment
  SBBG16297  Verbena lasiostachys E. C. Twisselmann 1962-7-6 7422 San Luis Obispo hills at the summit of Palo Prieta Cyn 701 Comment
  SBBG18966  Bloomeria crocea var. aurea E. C. Twisselmann 1963-6-9 8387 San Luis Obispo summit of Palo Prieto Cyn 678 Comment
  SBBG19714  Vicia sativa E. C. Twisselmann 1963-6-6 8381 San Luis Obispo Dorothy Twisselmann Ranch 670 Comment
  SBBG19715  Trifolium gracilentum E. C. Twisselmann 1963-5-6 8139 San Luis Obispo Choice Valley, 1.5 mi E of the summit 640 Comment
  SBBG19718  Tragopogon porrifolius E. C. Twisselmann 1963-6-7 8382 San Luis Obispo Carter Place, Choice Valley 640 Comment
  SBBG19723  Navarretia mitracarpa E. C. Twisselmann 1963-6-9 8388 San Luis Obispo hills at the summit of Palo Prieto Cyn 678 Comment
  SBBG19745  Medicago polymorpha E. C. Twisselmann 1963-5-24 8285 San Luis Obispo Dorothy Twisselmann Ranch grounds 670 Comment
  SBBG20595  Leymus triticoides E. C. Twisselmann 1963-12-15 9210 San Luis Obispo Choice Valley, 1 mi E of the summit 609 Comment
  SBBG20751  Eriogonum nudum var. indictum E. C. Twisselmann 1963-11-3 9076 San Luis Obispo Cottonwood Pass, ca. 5 mi E of Cholame 495 Comment
  SBBG21065  Phalaris aquatica E. C. Twisselmann 1964-7-4 9708 San Luis Obispo Dorothy Twisselmann Ranch 670 Comment
  SBBG21079  Asparagus officinalis E. C. Twisselmann 1964-7-4 9707 San Luis Obispo Dorothy Twisselmann Ranch 670 Comment
  SBBG23439  Eriogonum inflatum var. inflatum E. C. Twisselmann 1965-4-25 10549 San Luis Obispo summit of Palo Prieto Cyn 640 Comment
Read comments
Dec 20 2017
  SBBG23543  Gilia achilleifolia subsp. multicaulis E. C. Twisselmann 1965-5-3 10642 San Luis Obispo Choice Valley 0.5 mi S of the summit 609 Comment
  SBBG23581  Cryptantha microstachys E. C. Twisselmann 1965-3-23 10497 San Luis Obispo hills at the summit of Palo Prieto Cyn 670 Comment
  SBBG23635  Chaenactis fremontii E. C. Twisselmann 1965-4-12 10500 San Luis Obispo head of Palo Prieto Cyn 670 Comment
  SBBG23649  Microseris douglasii subsp. douglasii E. C. Twisselmann 1965-4-12 10501 San Luis Obispo head of Palo Prieto Cyn 670 Comment
  SBBG23934  Hollisteria lanata E. C. Twisselmann 1965-7-1 11104 San Luis Obispo hills at the summit of Palo Prieta Cyn 701 Comment
  SBBG23986  Isocoma menziesii var. vernonioides E. C. Twisselmann 1965-11-2 11686 San Luis Obispo just N of San Simeon Beach State Park, just above the sea 12 Comment
  SBBG23993  Stephanomeria exigua subsp. carotifera E. C. Twisselmann 1965-8-23 11558 San Luis Obispo summit of Choice Valley 670 Comment
  SBBG24063  Solanum douglasii E. C. Twisselmann 1965-11-2 11692 San Luis Obispo Arroyo de la Cruz, between Hwy 1 and the ocean 6 Comment
  SBBG26080  Erigeron bonariensis E. C. Twisselmann 1966-9-20 12803 San Luis Obispo T. Franklin Twisselmann Ranch, Choice Valley 640 Comment
  SBBG26153  Prosopis pubescens E. C. Twisselmann 1966-9-10 12801 San Luis Obispo Dorothy Twisselmann Ranch [not natural; planted] 670 Comment
  SBBG26224  Pseudognaphalium microcephalum E. C. Twisselmann 1966-8-12 12720 San Luis Obispo summit of Palo Prieto Cyn, Hardenburgh field, Dorothy Twisselmann Ranch 609 Comment
  SBBG28558  Acmispon cytisoides E. C. Twisselmann 1967-4-27 12932 San Luis Obispo Ragged Point, Santa Lucia Range 60 Comment
  SBBG28567  Amaranthus deflexus E. C. Twisselmann 1967-8-22 13560 San Luis Obispo Dorothy Twisselmann Ranch 670 Comment
  SBBG28582  Triphysaria eriantha subsp. rosea E. C. Twisselmann 1967-4-27 12914 San Luis Obispo Hwy 1, 2.9 mi S of Piedras Blancas Point 9 Comment
  SBBG28584  Spergularia marina E. C. Twisselmann 1967-4-27 12919 San Luis Obispo Hwy 1, 2.9 mi S of Piedras Blancas Point 1 Comment
  SBBG28590  Bloomeria crocea var. aurea E. C. Twisselmann 1967-6-11 13309 San Luis Obispo just E of the Dorothy Twisselmann Ranch 685 Comment
  SBBG28615  Matricaria occidentalis E. C. Twisselmann 1967-6-16 13367 San Luis Obispo San Andreas Fault in the hills at the summit of Palo Prieto Cyn 701 Comment
  SBBG28634  Clarkia unguiculata E. C. Twisselmann 1967-5-23 13108 San Luis Obispo Cottonwood Pass 502 Comment
  SBBG28636  Pseudognaphalium biolettii E. C. Twisselmann 1967-4-27 12933 San Luis Obispo Ragged Point, Santa Lucia Range 60 Comment
  SBBG28670  Gilia tenuiflora subsp. amplifaucalis E. C. Twisselmann 1967-5-8 13008 San Luis Obispo N of Shell Crk 487 Comment
  SBBG28677  Atriplex lentiformis subsp. breweri E. C. Twisselmann 1967-8-23 13567 San Luis Obispo Dorothy Twisselmann Ranch 670 Comment
  SBBG28698  Phacelia distans E. C. Twisselmann 1967-5-8 13010 San Luis Obispo N of Shell Crk 487 Comment
  SBBG28702  Chamaesyce ocellata E. C. Twisselmann 1967-8-22 13554 San Luis Obispo Dorothy Twisselmann Ranch 670 Comment
  SBBG28727  Berula erecta E. C. Twisselmann 1967-9-9 13686 San Luis Obispo Ortega Spring, Palo Prieto Cyn 598 Comment
  SBBG28741  Polypogon interruptus E. C. Twisselmann 1967-9-9 13697 San Luis Obispo small cienega along Palo Prieto Crk 598 Comment
  SBBG28762  Stephanomeria pauciflora E. C. Twisselmann 1967-8-22 13555 San Luis Obispo summit of Palo Prieto Cyn 655 Comment
  SBBG32207  Glaucium flavum E. C. Twisselmann 1968-8-30 14916 San Luis Obispo Choice Valley, 3/8 mi below the Choice Valley School 563 Comment
  SBBG38485  Mentha X piperita E. C. Twisselmann, D. J. Bedell 1969-11-15 16337 San Luis Obispo Salinas River 5 mi S of Paso Robles. 182 Comment
  SBBG38489  Hesperocnide tenella E. C. Twisselmann 1969-4-24 15193 San Luis Obispo Santa Ysabel Ranch, E side of Salinas River 5 mi S of Paso Robles 228 Comment
  SBBG38490  Camissonia campestris subsp. campestris E. C. Twisselmann 1969-7-5 15663 San Luis Obispo Salinas River 5 mi S of Paso Robles 182 Comment
  SBBG38494  Camissoniopsis intermedia E. C. Twisselmann 1969-6-22 15640 San Luis Obispo Dorothy Twisselmann Ranch at the head of Choice Valley 640 Comment
  SBBG38501  Marah fabacea E. C. Twisselmann 1969-4-24 15197 San Luis Obispo Santa Ysabel Ranch, E side of Salinas River 5 mi S of Paso Robles 228 Comment
  SBBG38506  Sanicula bipinnata E. C. Twisselmann 1969-4-24 15206 San Luis Obispo Santa Ysabel Ranch, E side of Salinas River 5 mi S of Paso Robles 228 Comment
  SBBG38508  Stuckenia pectinata E. C. Twisselmann 1969-10-22 16320 San Luis Obispo O'Brien Lake, San Andreas Fault at the summit of Palo Prieta Cyn 655 Comment
  SBBG38511  Rorippa palustris var. occidentalis E. C. Twisselmann, D. J. Bedell 1969-7-5 15664 San Luis Obispo Salinas River, 5 mi S of Paso Robles 182 Comment
  SBBG38522  Juncus bufonius E. C. Twisselmann 1969-11-28 16362 San Luis Obispo Twisselmann Lake, San Andreas Fault at summit of Palo Prieto Cyn 701 Comment
  SBBG38605  Solanum americanum E. C. Twisselmann, D. J. Bedell 1969-11-15 16339 San Luis Obispo Salinas River, 5 mi S of Paso Robles 182 Comment
  SBBG38613  Salix laevigata E. C. Twisselmann 1969-4-24 15171 San Luis Obispo Sulphur Spring Cyn, Santa Ysabel Ranch, 5 mi S of Paso Robles 213 Comment
  SBBG38614  Pogogyne serpylloides E. C. Twisselmann 1969-4-24 15168 San Luis Obispo Sulphur Spring Cyn, Santa Ysabel Ranch, 5 mi S of Paso Robles 198 Comment
  SBBG44360  Loeflingia squarrosa E. C. Twisselmann 1967-11-2 14043 San Luis Obispo Shell Crk 472 Comment
  UC1443481  Lasthenia leptalea Ernest C. Twisselmann 1969-4-24 15152 San Luis Obispo 5 mi se Creston; La Panza Range, Bedell Ranch 350 Comment
  UC1479638  Matricaria occidentalis Ernest C. Twisselmann 1952-8-29 562 San Luis Obispo Twisselmann Lake, hills at the head of Palo Prieta Canyon Western San Joaquin Valley, Temblor Range, Palo Prieta Canyo 670 Comment
  UCD100136  Polygonum aviculare subsp. depressum Ernest C. Twisselmann 1958-8-11 4627 San Luis Obispo San Luis Obispo County: Dorothy Twisselmann Ranch, eastern part of county. 670 Comment
  UCD101076  Rumex acetosella Ernest C. Twisselmann 1965-11-2 11691 San Luis Obispo San Luis Obispo County: Arroyo de la Cruz (between Highway 1 and the ocean). 15 Comment
  UCD105848  Hoffmannseggia glauca Ernest C. Twisselmann 1958-8-29 4750 San Luis Obispo San Luis Obispo County: Eastern part of county, Dorothy Twisselmann Ranch, Shandon. 670 Comment
  UCD107751  Medicago lupulina Ernest C. Twisselmann 1958-4-11 4621 San Luis Obispo San Luis Obispo County: Eastern part of county, Dorothy Twisselmann Ranch, Shandon. 670 Comment
  UCD107770  Medicago lupulina Ernest C. Twisselmann 1964-7-4 9705 San Luis Obispo San Luis Obispo County: Dorothy Twisselmann Ranch. 670 Comment
  UCD107875  Medicago polymorpha Ernest C. Twisselmann 1962-10-21 7937 San Luis Obispo San Luis Obispo County: Dorothy Twisselmann Ranch, eastern part of county. 670 Comment
  UCD107972  Medicago sativa Ernest C. Twisselmann 1958-8-23 4738 San Luis Obispo San Luis Obispo County: Eastern part of county, Dorothy Twisselmann Ranch, Shandon. 670 Comment
  UCD107975  Medicago sativa Ernest C. Twisselmann 1958-8-23 4738 San Luis Obispo San Luis Obispo County: Eastern part of county, Dorothy Twisselmann Ranch, Shandon. 670 Comment
  UCD108972  Vicia sativa subsp. sativa Ernest C. Twisselmann 1963-6-6 8381 San Luis Obispo San Luis Obispo County: Temblor Range and the Western San Joaquin Valley. Dorothy Twisselmann Ranch. 676 Comment
  UCD115457  Lepidium draba Ernest C. Twisselmann 1959-11-2 5905 San Luis Obispo San Luis Obispo County: Oso Flaco Road Road, 1 mile east of Oso Flaco Lake. Shandon, CA. 9 Comment
  UCD116544  Malva neglecta Ernest C. Twisselmann 1958-8-11 4624 San Luis Obispo San Luis Obispo County: Dorothy Twisselmann Ranch, eastern part of county. Shandon, CA. 670 Comment
  UCD118937  Amsinckia douglasiana Ernest C. Twisselmann 1962-3-26 6712 San Luis Obispo San Luis Obispo County: Temblor Range and the Western San Joaquin Valley. Palo Prieta Canyon, 3.5 miles S of Cholame. 579 Comment
  UCD119849  Amsinckia tessellata Ernest C. Twisselmann 1954-4-2 968 San Luis Obispo San Luis Obispo County: Middlewater Plain: 2 miles south of Middlewater Pump Station. Shandon, CA. 167 Comment
  UCD121351  Asclepias fascicularis Ernest C. Twisselmann 1958-8-29 4747 San Luis Obispo San Luis Obispo County: Dorothy Twisselmann Ranch, eastern part of county. Shandon, CA. 670 Comment
  UCD124569  Plantago subnuda Ernest C. Twisselmann 1959-5-23 5262 San Luis Obispo San Luis Obispo County: Morro Bay, just west of Baywood Park. Shandon, CA. 3 Comment
  UCD126017  Stachys bullata Ernest C. Twisselmann 1958-8-29 4749 San Luis Obispo San Luis Obispo County: Dorothy Twisselmann Ranch, eastern San Luis Obispo County. 670 Comment
  UCD126834  Solanum americanum Ernest C. Twisselmann 1960-8-22 5997 San Luis Obispo Eastern San Luis Obispo County: Dorothy Twisselmann Ranch. Temblor Range and Western San Joaquin Valley. 670 Comment
  UCD126885  Solanum douglasii Ernest C. Twisselmann 1965-11-2 11692 San Luis Obispo San Luis Obispo County: Arroyo de la Cruz (between Highway 1 and the ocean). 6 Comment
  UCD132960  Helminthotheca echioides Ernest C. Twisselmann 1959-5-23 5265 San Luis Obispo San Luis Obispo County: Morro Bay: just west of Baywood. 3 Comment
  UCD135239  Pseudognaphalium stramineum Ernest C. Twisselmann 1959-11-2 5890 San Luis Obispo San Luis Obispo County: SW end of Oso Flaco Lake. 4 Comment
  UCD136206  Sonchus oleraceus Ernest C. Twisselmann 1962-10-20 7931 San Luis Obispo San Luis Obispo County: Temblor Range and the Western San Joaquin Valley. Dorothy Twisselmann Ranch, eastern part of county. 670 Comment
  UCD136315  Stephanomeria exigua subsp. carotifera Ernest C. Twisselmann 1959-8-5 5564 San Luis Obispo San Luis Obispo County: Temblor Range and Western San Joaquin Valley. Dorothy Twisselman Ranch, summit of Choice Valley. 655 Comment
  UCD136401  Stephanomeria pauciflora Ernest C. Twisselmann 1959-8-5 2150 San Luis Obispo San Luis Obispo County: Temblor Range and the Western San Joaquin Valley. Dorothy Twiseelmann Ranch, sumit of Choice Valley. 655 Comment
  UCD138679  Asparagus officinalis subsp. officinalis Ernest C. Twisselmann 1958-8-23 4736 San Luis Obispo San Luis Obispo County: Eastern part of county, Dorothy Twisselmann Ranch, Shandon. 670 Comment
  UCD142663  Euphorbia ocellata Ernest C. Twisselmann 1960-8-22 5994 San Luis Obispo San Luis Obispo County: Eastern part of county. Temblor Range and western San Joaquin Valley. Dorothy Twisselmann Ranch. 670 Comment
  UCD50327  Achnatherum hymenoides Ernest C. Twisselmann 1958-4-24 4370 San Luis Obispo Ridge along the mouth of Caliente Canyon. Lower Sonoran Grassland. Shandon, California. San Luis Obispo County. 320 Comment
Read comments
Jun 26 2016
  UCD52099  Agrostis exarata Ernest C. Twisselmann 1965-11-2 11705 San Luis Obispo San Luis Obispo County: Arroyo de la Cruz (between Highway 1 and the ocean). 12 Comment
  UCD53602  Agrostis stolonifera Ernest C. Twisselmann 1967-8-23 13572 San Luis Obispo San Luis Obispo County: Dorothy Twisselmann Ranch. 670 Comment
  UCD57945  Chloris virgata Ernest C. Twisselmann 1954-11-12 1669 San Luis Obispo San Luis Obispo County: Near Shandon. Comment
  UCD58342  Bromus catharticus Ernest C. Twisselmann 1959-11-2 5857 San Luis Obispo San Luis Obispo County: Santa Maria Valley: Nipomo Road. 3 miles northeast of Guadalupe. 24 Comment
  UCD58387  Bromus catharticus Ernest C. Twisselmann 1958-8-11 4620 San Luis Obispo Eastern San Luis Obispo Co.: Temblor Range and Western San Joaquin Valley. Dorothy Twisselmann Ranch. 670 Comment
  UCD58402  Bromus catharticus Ernest C. Twisselmann 1964-7-4 9706 San Luis Obispo San Luis Obispo Co.: Temblor Range and the Western San Joaquin Valley. Dorothy Twisselmann Ranch. 670 Comment
  UCD59672  Chloris virgata Ernest C. Twisselmann 1968-10-21 15028 San Luis Obispo San Luis Obispo Co.: Estrella Plains: Buena Vista Drive, 0.4 mile north of Highway 46. 213 Comment
  UCD59683  Chloris virgata Ernest C. Twisselmann 1954-11-12 1669 San Luis Obispo San Luis Obispo County: Temblor Range and Western San Joaquin Valley, Hopper Ranch, 1/4 mile west of Shandon on San Juan Road. Comment
  UCD59807  Cortaderia selloana Ernest C. Twisselmann 1959-11-2 5893 San Luis Obispo San Luis Obispo County: SW end of Oso Flaco Lake. 4 Comment
  UCD59920  Crypsis schoenoides Ernest C. Twisselmann 1969-11-4 16326 San Luis Obispo San Luis Obispo County: Twisselmann Lake. San Andreas Fault at the summit of Palo Prieta Canyon. 701 Comment
  UCD60067  Cynodon dactylon Ernest C. Twisselmann 1967-9-9 13685 San Luis Obispo San Luis Obispo Co.: Flowering Plants of the Temblor Range and the Western San Joaquin Valley. Palo Prieta Creek below Ortega Spring. 594 Comment
  UCD63495  Lamarckia aurea Ernest C. Twisselmann 1965-5-17 10813 San Luis Obispo Eastern San Luis Obispo County: Western San Joaquin Valley, Temblor Range, Dorothy Twisselmann Ranch. 670 Comment
  UCD64098  Digitaria sanguinalis Ernest C. Twisselmann 1958-8-11 4623 San Luis Obispo Eastern San Luis Obispo Co.: Dorothy Twisselmann Ranch. 670 Comment
  UCD88330  Phalaris aquatica Ernest C. Twisselmann 1963-12-13 9205 San Luis Obispo San Luis Obispo County: Temblor Range and the Western San Joaquin Valley. Dorothy Twisselmann Ranch. 670 Comment
  UCD90386  Poa annua Ernest C. Twisselmann 1954-2-22 838 San Luis Obispo San Luis Obispo County: Eastern San Luis Obispo County. Chris Twisselmann Ranch. Comment
  UCD90706  Poa bulbosa Ernest C. Twisselmann 1962-4-17 6942 San Luis Obispo San Luis Obispo County: Shandon. Dorothy Twisselmann Ranch, in eastern part of County. 685 Comment
  UCD90814  Poa bulbosa Ernest C. Twisselmann 1962-4-17 6942 San Luis Obispo San Luis Obispo County: Eastern part of county. Shandon. Dorothy Twisselmann Ranch. 685 Comment
  UCD91386  Polypogon monspeliensis Ernest C. Twisselmann 1959-11-2 5891 San Luis Obispo San Luis Obispo County: SW end of Oso Flaco Lake. 4 Comment
  UCD92825  Setaria verticillata Ernest C. Twisselmann 1958-8-11 4622 San Luis Obispo San Luis Obispo County: Dorothy Twisselmann Ranch, eastern part of the county. 670 Comment
  UCD92878  Setaria viridis Ernest C. Twisselmann 1960-8-22 5988 San Luis Obispo San Luis Obispo County: Dorothy Twisselmann Ranch, eastern part of county. 670 Comment
  UCD93385  Thinopyrum intermedium Ernest C. Twisselmann 1958-7-14 4546 San Luis Obispo San Luis Obispo County: Temblor Range and the Western San Joaquin Valley. Palo Prieta Canyon. 701 Comment
  UCD97180  Amaranthus albus Ernest C. Twisselmann 1962-8-23 7691 San Luis Obispo San Luis Obispo County: Temblor Range and the Western San Joaquin Valley. O'Brien Lake, hills at the summit of Palo Prieta Canyon. 640 Comment
  UCD97182  Amaranthus albus Ernest C. Twisselmann 1962-10-20 7932 San Luis Obispo San Luis Obispo County: Temblor Range and the Western San Joaquin Valley. Dorothy Twisselmann Ranch, eastern part of county. 670 Comment
  UCD97465  Amaranthus deflexus Ernest C. Twisselmann 1962-9-7 7740 San Luis Obispo San Luis Obispo County: Temblor Range and the Western San Joaquin Valley. Eastern part of county, Dorothy Twisselmann Ranch. 670 Comment
  UCD97468  Amaranthus deflexus Ernest C. Twisselmann 1963-9-14 8977 San Luis Obispo San Luis Obispo County: Temblor Range and the Western San Joaquin Valley. Dorothy Twisselmann Ranch. 670 Comment
  UCD97681  Atriplex rosea Ernest C. Twisselmann 1962-8-23 7690 San Luis Obispo San Luis Obispo County: O'Brien Lake, at summit of Palo Prieta Canyon. 640 Comment
  UCD97808  Amaranthus retroflexus Ernest C. Twisselmann 1963-8-23 8882 San Luis Obispo San Luis Obispo County: Temblor Range and the Western San Joaquin Valley. Dorothy Twisselmann Ranch, eastern part of county. 670 Comment
  UCD97812  Amaranthus retroflexus Ernest C. Twisselmann 1963-9-14 8978 San Luis Obispo San Luis Obispo County: Temblor Range and the Western San Joaquin Valley. Dorothy Twisselmann Ranch. 670 Comment
  UCD98295  Chenopodium missouriense Ernest C. Twisselmann 1960-8-22 5998 San Luis Obispo San Luis Obispo County: Dorothy Twisselmann Ranch, eastern part of the county. 670 Comment
  CAS-BOT-BC101424  Corethrogyne filaginifolia Ernest C. Twisselmann 1955-10-1 2422 San Luis Obispo Morro Bay sand bars, near Park Headquarters 0 Comment
  CAS-BOT-BC101435  Corethrogyne filaginifolia Ernest C. Twisselmann 1967-8-23 13562 San Luis Obispo Eben McMillan residence, Choice Valley 701 Comment
  CAS-BOT-BC101441  Corethrogyne filaginifolia Ernest C. Twisselmann 1956-11-3 3223 San Luis Obispo Service Road 0.1 mile below west end of Salinas Dam 399 Comment
  CAS-BOT-BC101446  Corethrogyne filaginifolia Ernest C. Twisselmann 1956-11-3 3223 San Luis Obispo Service Road 0.1 mile below west end of Salinas Dam 399 Comment
  CAS-BOT-BC101466  Corethrogyne filaginifolia Ernest C. Twisselmann 1962-10-20 7933 San Luis Obispo Summit of Gillis Canyon 716 Comment
  CAS-BOT-BC102276  Anthemis cotula Ernest C. Twisselmann 1954-6-5 1322 San Luis Obispo Soda Lake Road, 1 mile south of Simmler 609 Comment
  CAS-BOT-BC102646  Populus fremontii Ernest C. Twisselmann 1961-8-23 6561 San Luis Obispo Grant's Lake, eastern San Luis Obispo County 582 Comment
  CAS-BOT-BC102648  Populus fremontii Ernest C. Twisselmann 1954-2-28 841 San Luis Obispo [Sandiago Joe's] Sandiego Joes Spring; 9 miles east of Simmler 579 Comment
  CAS-BOT-BC103247  Salix bonplandiana Ernest C. Twisselmann 1967-9-9 13681 San Luis Obispo Palo Prieta Creek below the Ortega Spring 594 Comment
  CAS-BOT-BC103253  Salix bonplandiana Ernest C. Twisselmann 1954-3-1 858 San Luis Obispo Palo Prieta Canyon: 5 1/2 miles south Cholame Comment
  CAS-BOT-BC103255  Salix bonplandiana Ernest C. Twisselmann 1972-4-1 18599 San Luis Obispo Arroyo Grande Creek, ca. 4.5 miles above Lopez Lake 121 Comment
  CAS-BOT-BC103262  Salix bonplandiana Ernest C. Twisselmann 1968-10-21 15042 San Luis Obispo Paso Robles: Salinas River just north of the Highway 46 bridge 181 Comment
  CAS-BOT-BC103264  Salix bonplandiana Ernest C. Twisselmann 1969-4-24 15173 San Luis Obispo Sulphur Spring Canyon, Santa Ysabel Ranch, 5 miles south of Paso Robles 213 Comment
  CAS-BOT-BC103270  Salix bonplandiana Ernest C. Twisselmann 1969-7-12 15668 San Luis Obispo Sag pond on the San Andreas Fault near the summit of Choice Valley 701 Comment
  CAS-BOT-BC103271  Salix bonplandiana Ernest C. Twisselmann 1969-8-23 15934 San Luis Obispo Spring in the San Andreas Fault at the summit of Choice Valley 701 Comment
  CAS-BOT-BC103272  Salix bonplandiana Ernest C. Twisselmann 1969-4-24 15173 San Luis Obispo Sulphur Spring Canyon, Santa Ysabel Ranch, 5 miles south of Paso Robles 213 Comment
  CAS-BOT-BC103273  Salix bonplandiana Ernest C. Twisselmann 1970-4-21 16388 San Luis Obispo Cholame Creek, 0.4 mile above Parkfield 640 Comment
  CAS-BOT-BC103274  Salix bonplandiana Ernest C. Twisselmann 1969-4-24 15172 San Luis Obispo Sulphur Spring Canyon, Santa Ysabel Ranch, 5 miles south of Paso Robles 213 Comment
  CAS-BOT-BC103283  Salix bonplandiana Ernest C. Twisselmann 1969-8-23 15934 San Luis Obispo Spring in the San Andreas Fault at the summit of Choice Valley 701 Comment
  CAS-BOT-BC103933  Salix exigua Ernest C. Twisselmann 1954-3-13 914 San Luis Obispo Palo Prieto Canyon, 1 1/2 mile south of US466, (Ortega Spring) 396 Comment
  CAS-BOT-BC105951  Blennosperma nanum var. nanum Ernest C. Twisselmann 1955-3-22 1746 San Luis Obispo Temblor Range and the Western San Joaquin Valley - Soda Lake Road, 2 miles south of Simmler 609 Comment
  CAS-BOT-BC105952  Blennosperma nanum var. nanum Ernest C. Twisselmann 1955-3-22 1746 San Luis Obispo Temblor Range and the Western San Joaquin Valley - Soda Lake Road, 2 miles south of Simmler 609 Comment
  CAS-BOT-BC107122  Salix lasiolepis Ernest C. Twisselmann; Donald J. Bedell 1968-3-6 14050 San Luis Obispo La Panza Range, Fernandez Canyon 487 Comment
  CAS-BOT-BC107123  Salix lasiolepis Ernest C. Twisselmann; Donald J. Bedell 1968-3-6 14049 San Luis Obispo La Panza Range, Fernandez Canyon 487 Comment
  CAS-BOT-BC107124  Salix lasiolepis Ernest C. Twisselmann 1956-2-9 2506 San Luis Obispo Jack Creek near foot of York Mountain, Santa Lucia Range 182 Comment
  CAS-BOT-BC109033  Mucronea californica Ernest C. Twisselmann 1955-6-10 2132 San Luis Obispo La Panza Range. Vaquero Water Canyon. 487 Comment
  CAS-BOT-BC110756  Agropyron cristatum Ernest C. Twisselmann 1954-5-19 1255 San Luis Obispo Temblor Range and the western San Joaquin Valley. Chris Twisselmann Ranch. Eastern SLO county. 667 Comment
  CAS-BOT-BC111052  Scirpus microcarpus Ernest C. Twisselmann 1955-9-1 2360 San Luis Obispo Tassajara Creek at Johnson Ranch, west of Santa Margarita Comment
  CAS-BOT-BC111056  Scirpus microcarpus Ernest C. Twisselmann 1955-9-1 2360 San Luis Obispo Tassajara Creek at Johnson Ranch, west of Santa Margarita Comment
  CAS-BOT-BC111555  Schoenoplectus americanus Ernest C. Twisselmann 1967-9-9 13692 San Luis Obispo Ortega Spring, Palo Prieta Canyon. 598 Comment
  CAS-BOT-BC111556  Schoenoplectus americanus Ernest C. Twisselmann 1967-9-9 13692 San Luis Obispo Ortega Spring, Palo Prieta Canyon. 598 Comment
  CAS-BOT-BC111557  Schoenoplectus americanus Ernest C. Twisselmann 1956-6-10 2925 San Luis Obispo Ortega Spring, Palo Prieta Canyon. 426 Comment
  CAS-BOT-BC112673  Eleocharis parishii Ernest C. Twisselmann 1955-6-16 2172 San Luis Obispo San Juan River, 13.4 mi S of la Panza Ranch. 560 Comment
  CAS-BOT-BC113324  Eleocharis montevidensis Ernest C. Twisselmann 1967-9-9 13695 San Luis Obispo Ortega Spring, Palo Prieta Canyon. 598 Comment
  CAS-BOT-BC113326  Eleocharis montevidensis Ernest C. Twisselmann 1956-6-10 2924 San Luis Obispo Ortega Spring, Palo Prieta Canyon. 426 Comment
  CAS-BOT-BC113426  Eleocharis bella Ernest C. Twisselmann 1969-4-28 15217 San Luis Obispo Estrella Plains: Hwy 46, 1.5 mi E of Paso Robles. 205 Comment
  CAS-BOT-BC114472  Cyperus eragrostis Ernest C. Twisselmann 1955-9-1 2357 San Luis Obispo Old Cuestra Grade, Santa Lucia Mountains. 289 Comment
  CAS-BOT-BC114474  Cyperus eragrostis Ernest C. Twisselmann 1968-10-21 15041 San Luis Obispo Paso Robles: Salinas River just N of Hwy 46 Bridge. 181 Comment
  CAS-BOT-BC116356  Delphinium parryi subsp. parryi Ernest C. Twisselmann 1956-5-7 2782 San Luis Obispo Maxey Ranch in the low hills east of Cholame Valley 518 Comment
  CAS-BOT-BC116364  Delphinium parryi subsp. parryi Ernest C. Twisselmann 1955-5-27 2022 San Luis Obispo Navajo Canyon, La Panza Mountains 655 Comment
  CAS-BOT-BC116366  Delphinium parryi subsp. parryi Ernest C. Twisselmann 1956-5-7 2782 San Luis Obispo Maxey Ranch in the low hills east of Cholame Valley. 518 Comment
  CAS-BOT-BC116836  Carex subbracteata var. subbracteata Ernest C. Twisselmann 1956-5-15 2788 San Luis Obispo Cayucos Road, apx 1.1 mi W of Cambria Road Junction, York Mountain. Santa Lucia Range 274 Comment
  CAS-BOT-BC118544  Carex praegracilis Ernest C. Twisselmann 1955-6-18 2177 San Luis Obispo San Juan Spring, near San Juan Ranch Ranch-house. 533 Comment
  CAS-BOT-BC121279  Paeonia californica Ernest C. Twisselmann 1956-2-18 2511 San Luis Obispo Near the summit of Lime Mountain, Santa Lucia Range 594 Comment
  CAS-BOT-BC121280  Paeonia californica Ernest C. Twisselmann 1969-4-24 15167 San Luis Obispo Santa Ysabel Ranch on the east side of the Salinas River 5 miles south of Paso Robles 213 Comment
  CAS-BOT-BC121281  Paeonia californica Ernest C. Twisselmann 1969-4-24 15167 San Luis Obispo Santa Ysabel Ranch on the east side of the Salinas River 5 miles south of Paso Robles 213 Comment
  CAS-BOT-BC121455  Delphinium parryi subsp. parryi Ernest C. Twisselmann 1962-5-17 7168 San Luis Obispo Goldtree Hills, about 0.5 mile south of Grant's Lake 541 Comment
  CAS-BOT-BC124825  Salix lasiolepis var. lasiolepis Ernest C. Twisselmann 1961-9-2 6565 San Luis Obispo Hills at the summit of Palo Prieta Canyon 609 Comment
  CAS-BOT-BC124827  Salix lasiolepis var. lasiolepis Ernest C. Twisselmann 1954-2-28 840 San Luis Obispo [Sandiago' Joe's] Sandiego Joes spring, 9 miles east of Simmler 579 Comment
  CAS-BOT-BC124828  Salix lasiolepis var. lasiolepis Ernest C. Twisselmann 1953-4-1 377 San Luis Obispo [Sandiego Joe's] Sandiego Joes Spring: 11 miles east of Simmler, McKittrick Highway 792 Comment
  CAS-BOT-BC12575  Lepidium nitidum Ernest C. Twisselmann 1961-3-27 6024 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Grant's Lake, eastern SLO county. 576 Comment
  CAS-BOT-BC12576  Lepidium nitidum Ernest C. Twisselmann 1965-3-23 10493 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Pinole Hills at the head of Bitterwater Creek. 670 Comment
  CAS-BOT-BC127814  Blepharizonia laxa Ernest C. Twisselmann 1954-6-26 1393 San Luis Obispo Hills at Summit of Palo Prieta Canyon 655 Comment
  CAS-BOT-BC127824  Blepharizonia laxa Ernest C. Twisselmann 1957-11-5 4114 San Luis Obispo Head of Bitterwater Creek at the Sumner Ranch 487 Comment
  CAS-BOT-BC130228  Fritillaria agrestis Ernest C. Twisselmann 1969-5-7 15222 San Luis Obispo Palo Prieta Canyon 594 Comment
  CAS-BOT-BC130277  Fritillaria biflora Ernest C. Twisselmann 1962-3-26 6716 San Luis Obispo Palo Prieta Canyon, 3.5 miles south of Cholame 594 Comment
  CAS-BOT-BC130292  Fritillaria biflora Ernest C. Twisselmann 1962-3-26 6716 San Luis Obispo Palo Prieta Canyon, 3.5 miles south of Cholame 594 Comment
  CAS-BOT-BC130991  Deinandra halliana Ernest C. Twisselmann 1954-4-22 1109 San Luis Obispo Cholame Flats: 2 miles northeast of Cholame 350 Comment
  CAS-BOT-BC131579  Ericameria arborescens Ernest C. Twisselmann 1965-10-8 11684 San Luis Obispo Ridge road 0.5 mile northwest of Cuesta Summit, Santa Lucia Range 548 Comment
  CAS-BOT-BC13162  Agoseris hirsuta Ernest C. Twisselmann 1965-11-2 11688 San Luis Obispo Bluffs just north of San Simeon Beach State Park 12 Comment
  CAS-BOT-BC13163  Agoseris hirsuta Ernest C. Twisselmann 1965-11-2 11688 San Luis Obispo Bluffs just north of San Simeon Beach State Park 12 Comment
  CAS-BOT-BC131796  Hesperoyucca whipplei Ernest C. Twisselmann 1954-6-5 1321 San Luis Obispo Canyon, West slope of Crocker Grade, southeastern San Luis Obispo County 731 Comment
  CAS-BOT-BC133251  Chlorogalum purpureum var. reductum Ernest C. Twisselmann 1955-5-27 2039 San Luis Obispo Cammatta Road, 3/8 mile east of Honey Bee Mine, Upper Cammatta Canyon 640 Comment
  CAS-BOT-BC13634  Ambrosia acanthicarpa Ernest C. Twisselmann 1954-9-1 1536 San Luis Obispo Temblor Range, Bitterwater Road, 4 miles east of Choice Valley School 518 Comment
  CAS-BOT-BC13636  Ambrosia acanthicarpa Ernest C. Twisselmann 1954-9-29 1606 San Luis Obispo Temblor Range, Palo Prieta Canyon, 6 miles south of Cholame 579 Comment
  CAS-BOT-BC13637  Ambrosia acanthicarpa Ernest C. Twisselmann 1954-9-29 1606 San Luis Obispo Temblor Range, Palo Prieta Canyon, 6 miles south of Cholame 579 Comment
  CAS-BOT-BC137161  Cercocarpus betuloides var. betuloides Ernest C. Twisselmann 1955-7-22 2281 San Luis Obispo Upper Navajo Canyon 792 Comment
  CAS-BOT-BC137164  Cercocarpus betuloides var. betuloides Ernest C. Twisselmann 1955-7-22 2281 San Luis Obispo Upper Navajo Canyon 792 Comment
  CAS-BOT-BC139995  Adenostoma fasciculatum Ernest C. Twisselmann 1955-6-16 2150 San Luis Obispo Queen Bee Canyon 637 Comment
  CAS-BOT-BC139998  Adenostoma fasciculatum Ernest C. Twisselmann 1955-6-16 2150 San Luis Obispo Queen Bee Canyon 637 Comment
  CAS-BOT-BC141206  Phoradendron serotinum subsp. macrophyllum Ernest C. Twisselmann 1955-3-26 1766 San Luis Obispo San Juan River Valley, 9 1/2 miles S of Shandon. Temblor Range and Western San Joaquin Valley 420 Comment
  CAS-BOT-BC143393  Horkelia yadonii Ernest C. Twisselmann 1956-6-13 2929 San Luis Obispo Northeast spur of Black Mountain 533 Comment
  CAS-BOT-BC143394  Horkelia yadonii Ernest C. Twisselmann 1956-6-13 2929 San Luis Obispo Northeast spur of Black Mountain 533 Comment
  CAS-BOT-BC143914  Horkelia cuneata var. sericea Ernest C. Twisselmann 1956-4-10 2634 San Luis Obispo Nipomo Mesa, 1/2 mile east of the Union OIl Refinery 33 Comment
  CAS-BOT-BC144275  Bromus arenarius Ernest C. Twisselmann 1954-4-14 1063 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta Canyon. 2 miles south of Cholame. 365 Comment
  CAS-BOT-BC145962  Avena fatua Ernest C. Twisselmann 1951-8-1 80 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chirs Twisselmann Ranch, 7 miles south of Cholame. Comment
  CAS-BOT-BC146084  Avena barbata Ernest C. Twisselmann 1956-5-7 2784 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Ian McMillan Ranchgrounds, GIllis Canyon. 487 Comment
  CAS-BOT-BC146086  Avena barbata Ernest C. Twisselmann 1969-4-24 15210 San Luis Obispo Santa Ysabel Ranch, east side of the Salinas River 5 miles south of Paso Robles. 234 Comment
  CAS-BOT-BC146090  Avena barbata Ernest C. Twisselmann 1956-5-7 2784 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Ian McMillan Ranchgrounds, GIllis Canyon. 487 Comment
  CAS-BOT-BC148955  Bromus carinatus var. carinatus Ernest C. Twisselmann 1957-4-28 3418 San Luis Obispo La Panza Range. Martinez Canyon Road at Branch Mountain Trail. 685 Comment
  CAS-BOT-BC148958  Bromus carinatus var. carinatus Ernest C. Twisselmann 1957-4-28 3418 San Luis Obispo La Panza Range. Martinez Canyon Road at Branch Mountain Trail 685 Comment
  CAS-BOT-BC148970  Bromus carinatus var. carinatus Ernest C. Twisselmann 1956-5-1 2730 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Summit of Gillis Canyon, 0.5 mile west of Eben McMillan Residence. 693 Comment
  CAS-BOT-BC149154  Bromus carinatus var. marginatus Ernest C. Twisselmann 1960-5-21 5970 San Luis Obispo Adelaide Road, 4.7 miles west of Paso Robles. 518 Comment
  CAS-BOT-BC149461  Bromus berteroanus Ernest C. Twisselmann 1955-4-26 1898 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Painted Rock, Carrisa Plains. 731 Comment
  CAS-BOT-BC149465  Bromus berteroanus Ernest C. Twisselmann 1955-4-6 1821 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Crocker Spring Canyon, 9.2 miles northwest of Fellows. 762 Comment
  CAS-BOT-BC149469  Bromus berteroanus Ernest C. Twisselmann 1955-4-26 1898 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Painted Rock, Carrisa Plains. 731 Comment
  CAS-BOT-BC150045  Holodiscus discolor var. discolor Ernest C. Twisselmann 1955-7-31 2293 San Luis Obispo Jack Creek at York Mountain 274 Comment
  CAS-BOT-BC150046  Holodiscus discolor var. discolor Ernest C. Twisselmann 1955-7-31 2293 San Luis Obispo Jack Creek at York Mountain (5 miles west of Templeton) 274 Comment
  CAS-BOT-BC150703  Diplacus longiflorus Ernest C. Twisselmann 1956-11-3 3218 San Luis Obispo Canyonside below Salinas Dam 399 Comment
  CAS-BOT-BC150704  Diplacus longiflorus Ernest C. Twisselmann 1956-11-3 3218 San Luis Obispo Canyonside below Salinas Dam 399 Comment
  CAS-BOT-BC150720  Diplacus longiflorus Ernest C. Twisselmann 1955-5-27 2029 San Luis Obispo Navajo Canyon 769 Comment
  CAS-BOT-BC150721  Diplacus longiflorus Ernest C. Twisselmann 1955-5-27 2029 San Luis Obispo Navajo Canyon 769 Comment
  CAS-BOT-BC151482  Erythranthe latidens Ernest C. Twisselmann 1969-4-24 15165 San Luis Obispo La Panza Highway, pool bed 1.9 mile southeast of Shell Creek Road - La Panza Range 426 Comment
  CAS-BOT-BC151483  Erythranthe latidens Ernest C. Twisselmann 1954-5-15 1237 San Luis Obispo Vernal Pool at Palo Prieta Summit, 8 miles south of Cholame (White Rock Lake) - Temblor Range and the Western San Joaquin Valley 667 Comment
  CAS-BOT-BC151484  Erythranthe latidens Ernest C. Twisselmann 1969-4-24 15165 San Luis Obispo La Panza Highway, pool bed 1.9 mile southeast of Shell Creek Road - La Panza Range 426 Comment
  CAS-BOT-BC152499  Diplacus aurantiacus Ernest C. Twisselmann 1955-7-31 2291 San Luis Obispo Santa Rosa Canyon, near Mammoth Rock 121 Comment
  CAS-BOT-BC152500  Diplacus aurantiacus Ernest C. Twisselmann 1955-7-31 2291 San Luis Obispo Santa Rosa Canyon, near Mammoth Rock 121 Comment
  CAS-BOT-BC154481  Prunus ilicifolia Ernest C. Twisselmann 1968-5-13 14205 San Luis Obispo La Panza Range. Head of Cammatta Canyon at the Cottingham place 609 Comment
  CAS-BOT-BC154482  Prunus ilicifolia Ernest C. Twisselmann 1968-5-13 14205 San Luis Obispo La Panza Range. Head of Cammatta Canyon at the Cottingham place 609 Comment
  CAS-BOT-BC154487  Prunus ilicifolia Ernest C. Twisselmann 1955-6-16 2153 San Luis Obispo La Panza Range. Queen Bee Canyon 673 Comment
  CAS-BOT-BC154488  Prunus ilicifolia Ernest C. Twisselmann 1955-6-16 2153 San Luis Obispo La Panza Range. Queen Bee Canyon 673 Comment
  CAS-BOT-BC155144  Bromus hordeaceus Ernest C. Twisselmann 1969-4-24 15191 San Luis Obispo Santa Ysabel Ranch, east side of the Salinas RIver 5 miles south of Paso Robles. 228 Comment
  CAS-BOT-BC155148  Bromus hordeaceus Ernest C. Twisselmann 1969-4-24 15191 San Luis Obispo Santa Ysabel Ranch, east side of the Salinas River 5 miles south of Paso Robles. 228 Comment
  CAS-BOT-BC155736  Bromus diandrus Ernest C. Twisselmann 1969-4-24 15211 San Luis Obispo Santa Ysabel Ranch, east side of the Salinas River 5 miles south of Paso Robles. 234 Comment
  CAS-BOT-BC155740  Bromus diandrus Ernest C. Twisselmann 1954-4-13 1049 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Grant's Lake. 457 Comment
  CAS-BOT-BC155742  Bromus diandrus Ernest C. Twisselmann 1954-4-13 1049 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Grant's Lake. 457 Comment
  CAS-BOT-BC155853  Bromus catharticus var. elatus Ernest C. Twisselmann 1954-5-11 1214 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Summit of Palo Prieta Canyon, 6 miles south of Cholame. 579 Comment
  CAS-BOT-BC155855  Bromus catharticus var. elatus Ernest C. Twisselmann 1956-6-25 3007 San Luis Obispo Temblor Range and the Western San Joaquin Valley. GIllis Canyon. 693 Comment
  CAS-BOT-BC155857  Bromus catharticus var. elatus Ernest C. Twisselmann 1956-5-1 2730 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Summit of Gillis Canyon, 0.5 mile west of Eben McMillan Residence. 693 Comment
  CAS-BOT-BC155858  Bromus catharticus var. elatus Ernest C. Twisselmann 1956-5-1 2730 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Summit of Gillis Canyon, 0.5 mile west of Eben McMillan Residence. 693 Comment
  CAS-BOT-BC156179  Bromus catharticus Ernest C. Twisselmann 1959-11-2 5857 San Luis Obispo Santa Maria Valley. Nipomo Road, 3 miles northeast of Guadalupe. 24 Comment
  CAS-BOT-BC156186  Bromus catharticus Ernest C. Twisselmann 1959-11-2 5857 San Luis Obispo Santa Maria Valley. Nipomo Road, 3 miles northeast of Guadalupe. 24 Comment
  CAS-BOT-BC156352  Prunus virginiana var. demissa Ernest C. Twisselmann 1953-4-3 264 San Luis Obispo [Mc Clean] McLean Canyon: Rock Spring, 4 miles southwest of Carneros Rocks 914 Comment
  CAS-BOT-BC156353  Prunus virginiana var. demissa Ernest C. Twisselmann 1952-6-2 263 San Luis Obispo [Mc Clean] McLean Canyon: [McClean] McLean Spring, 4 miles south-west of Carneros Rocks Comment
  CAS-BOT-BC156641  Rubus bifrons Ernest C. Twisselmann 1955-6-16 2154 San Luis Obispo La Panza Range. Queen Bee Road at Branch Mountain Trail 685 Comment
  CAS-BOT-BC156642  Rubus bifrons Ernest C. Twisselmann 1955-6-16 2154 San Luis Obispo La Panza Range. Queen Bee Road at Branch Mountain Trail 685 Comment
  CAS-BOT-BC157486  Solanum umbelliferum E. C. Twisselmann 1956-5-15 2786 San Luis Obispo West slope of York Mountain, Santa Lucia Range 289 Comment
  CAS-BOT-BC157552  Solanum umbelliferum E. C. Twisselmann 1968-5-13 14202 San Luis Obispo Head of Camatta Canyon at the Cottingham place 609 Comment
  CAS-BOT-BC157591  Solanum umbelliferum Ernest C. Twisselmann 1956-3-31 2602 San Luis Obispo Palo Prieta Canyon, 3 1/2 miles south of Cholame 457 Comment
  CAS-BOT-BC157597  Solanum umbelliferum Ernest C. Twisselmann 1968-10-21 15044 San Luis Obispo Estrella Road, 1.5 mile south of Highway 46 198 Comment
  CAS-BOT-BC157607  Solanum umbelliferum Ernest C. Twisselmann 1955-10-1 2432 San Luis Obispo Sand dunes at southwest end of Morro Bay 4 Comment
  CAS-BOT-BC159569  Drymocallis glandulosa var. glandulosa Ernest C. Twisselmann 1956-5-15 2793 San Luis Obispo West base of York Mountain, Santa Lucia Range 213 Comment
  CAS-BOT-BC159570  Drymocallis glandulosa var. glandulosa Ernest C. Twisselmann 1956-5-15 2793 San Luis Obispo West base of York Mountain, Santa Lucia Range 213 Comment
  CAS-BOT-BC159883  Prunus dulcis Ernest C. Twisselmann 1968-10-21 15023 San Luis Obispo Buena Vista Road just north of Highway 46 (Estrella Plains) 190 Comment
  CAS-BOT-BC159886  Prunus dulcis Ernest C. Twisselmann 1968-10-21 15023 San Luis Obispo Buena Vista Road just north of Highway 46 (Estrella Plains) 190 Comment
  CAS-BOT-BC160159  Eremothera boothii subsp. decorticans Ernest C. Twisselmann 1955-6-4 2082 San Luis Obispo Crocker Canyon, southeastern San Luis Obispo County 838 Comment
  CAS-BOT-BC160160  Eremothera boothii subsp. decorticans Ernest C. Twisselmann 1954-4-22 1111 San Luis Obispo Palo Prieta Canyon: 4 miles south of Cholame 487 Comment
  CAS-BOT-BC160166  Eremothera boothii subsp. decorticans Ernest C. Twisselmann 1955-6-4 2082 San Luis Obispo Crocker Canyon, southeastern San Luis Obispo County 838 Comment
  CAS-BOT-BC160173  Eremothera boothii subsp. decorticans Ernest C. Twisselmann 1962-4-29 7024 San Luis Obispo Head of Frenchuaboy Canyon, Choice Valley Hills 640 Comment
  CAS-BOT-BC160176  Eremothera boothii subsp. decorticans Ernest C. Twisselmann 1962-4-29 7024 San Luis Obispo Head of Frenchuaboy Canyon, Choice Valley Hills 640 Comment
  CAS-BOT-BC161756  Bromus rubens Ernest C. Twisselmann 1954-4-17 1084 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Carrisa Plains. 1.5 mile east of Sada Lake. 609 Comment
  CAS-BOT-BC161757  Bromus rubens Ernest C. Twisselmann 1954-3-19 898 San Luis Obispo Temblor Range and the western San Joaquin Valley. Chris Twisselmann Ranch. 670 Comment
  CAS-BOT-BC161978  Bromus rubens Ernest C. Twisselmann 1954-4-17 1084 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Carrisa Plains. 1.5 mile east of Soda Lake. 609 Comment
  CAS-BOT-BC162026  Bromus pseudolaevipes Ernest C. Twisselmann 1960-5-17 5968 San Luis Obispo Adelaide Road, 2.6 miles west of Paso Robles. 341 Comment
  CAS-BOT-BC162537  Clarkia affinis Ernest C. Twisselmann 1956-5-2 2731 San Luis Obispo Bitterwater Road at Chris Twisselmann Ranch - Temblor Range and the Western San Joaquin Valley 655 Comment
  CAS-BOT-BC16340  Athysanus unilateralis Ernest C. Twisselmann 1953-3-19 255 San Luis Obispo The Temblor Range and the Western San Joaquin Valley. Choice Valley. Comment
  CAS-BOT-BC163934  Clarkia purpurea subsp. quadrivulnera Ernest C. Twisselmann 1953-4-26 342 San Luis Obispo Goldtree Hills, 1 mile southwest of Grants Lake Comment
  CAS-BOT-BC163936  Clarkia purpurea subsp. quadrivulnera Ernest C. Twisselmann 1954-5-12 1216 San Luis Obispo Palo Prieta Summit, 7 miles south of Cholame 640 Comment
  CAS-BOT-BC163957  Clarkia purpurea subsp. quadrivulnera Ernest C. Twisselmann 1956-5-28 2861 San Luis Obispo Summit of Palo Prieta Canyon 609 Comment
  CAS-BOT-BC163959  Clarkia purpurea subsp. quadrivulnera Ernest C. Twisselmann 1954-5-12 1216 San Luis Obispo Palo Prieta Summit, 7 miles south of Cholame 640 Comment
  CAS-BOT-BC165371  Clarkia speciosa subsp. speciosa Ernest C. Twisselmann 1955-5-27 2054 San Luis Obispo La Panza Range. Lower Cammatta Canyon 419 Comment
  CAS-BOT-BC165377  Clarkia speciosa subsp. speciosa Ernest C. Twisselmann 1955-6-16 2158 San Luis Obispo La Panza Range. Queen Bee Road at Branch Mountain Trail 685 Comment
  CAS-BOT-BC165378  Clarkia speciosa subsp. speciosa Ernest C. Twisselmann 1955-5-27 2054 San Luis Obispo La Panza Range. Lower Cammatta Canyon 419 Comment
  CAS-BOT-BC165381  Clarkia speciosa subsp. speciosa Ernest C. Twisselmann 1956-5-29 2865 San Luis Obispo La Panza Range. Vaquero Water Hills 499 Comment
  CAS-BOT-BC165405  Clarkia tembloriensis Ernest C. Twisselmann 1956-5-22 2855 San Luis Obispo Kelly's Canyon, Red Hills 556 Comment
  CAS-BOT-BC165406  Clarkia tembloriensis Ernest C. Twisselmann 1952-6-1 346 San Luis Obispo McClean Canyon, fire road 1/8 mile west of Rock Spring 975 Comment
  CAS-BOT-BC165578  Clarkia unguiculata Ernest C. Twisselmann 1955-7-22 2283 San Luis Obispo La Panza Range. Navajo Public Camp, Navajo Canyon 682 Comment
  CAS-BOT-BC165579  Clarkia unguiculata Ernest C. Twisselmann 1955-7-22 2283 San Luis Obispo La Panza Range. Navajo Public Camp, Navajo Canyon 682 Comment
  CAS-BOT-BC165581  Clarkia unguiculata Ernest C. Twisselmann 1956-5-29 2864 San Luis Obispo La Panza Range. Calf Canyon 426 Comment
  CAS-BOT-BC165582  Clarkia unguiculata Ernest C. Twisselmann 1967-5-23 13108 San Luis Obispo Cottonwood Pass, eastern San Luis Obispo County 502 Comment
  CAS-BOT-BC165589  Clarkia unguiculata Ernest C. Twisselmann 1967-5-23 13108 San Luis Obispo Cottonwood Pass, eastern San Luis Obispo County 502 Comment
  CAS-BOT-BC165592  Clarkia unguiculata Ernest C. Twisselmann 1967-5-23 13108 San Luis Obispo Cottonwood Pass, eastern San Luis Obispo County 502 Comment
  CAS-BOT-BC165593  Clarkia unguiculata Ernest C. Twisselmann 1956-5-29 2864 San Luis Obispo La Panza Range. Calf Canyon 426 Comment
  CAS-BOT-BC165594  Clarkia unguiculata Ernest C. Twisselmann 1955-6-10 2135 San Luis Obispo La Panza Range. Upper Calf Canyon 487 Comment
  CAS-BOT-BC165596  Clarkia unguiculata Ernest C. Twisselmann 1956-5-29 2864 San Luis Obispo La Panza Range. Calf Canyon 426 Comment
  CAS-BOT-BC16610  Barbarea orthoceras Ernest C. Twisselmann 1956-6-13 2931 San Luis Obispo La Panza Range. Northeast spur of Black Mountain. 541 Comment
  CAS-BOT-BC16611  Barbarea orthoceras Ernest C. Twisselmann 1956-6-13 2931 San Luis Obispo La Panza Range. Northeast spur of Black Mountain. 541 Comment
  CAS-BOT-BC166406  Epilobium canum subsp. canum Ernest C. Twisselmann 1967-9-9 13682 San Luis Obispo Palo Prieta Creek below Ortega Spring 594 Comment
  CAS-BOT-BC166407  Epilobium canum subsp. canum Ernest C. Twisselmann 1967-9-9 13682 San Luis Obispo Palo Prieta Creek below Ortega Spring 594 Comment
  CAS-BOT-BC166417  Epilobium canum subsp. canum Ernest C. Twisselmann 1956-11-3 3220 San Luis Obispo La Panza Range. Canyonside below Salinas Dam 396 Comment
  CAS-BOT-BC166418  Epilobium canum subsp. canum Ernest C. Twisselmann 1956-11-3 3220 San Luis Obispo La Panza Range. Canyonside below Salinas Dam 396 Comment
  CAS-BOT-BC167328  California macrophylla Ernest C. Twisselmann 1955-4-26 1894 San Luis Obispo Head of Bitterwater Creek, Pinole Ranch 701 Comment
  CAS-BOT-BC168310  Atriplex canescens var. canescens Ernest C. Twisselmann 1955-8-10 2300 San Luis Obispo San Emigdio Range. Northeast Cuyama Valley 731 Comment
  CAS-BOT-BC168651  Ribes malvaceum Ernest C. Twisselmann; Donald J. Bedell 1968-3-6 14047 San Luis Obispo Near the summit of Navajo Canyon, the La Panza Range 883 Comment
  CAS-BOT-BC168972  Ribes malvaceum Ernest C. Twisselmann 1956-2-18 2510 San Luis Obispo Adelaide Road, 7.3 miles west of Paso Robles 457 Comment
  CAS-BOT-BC168973  Ribes malvaceum Ernest C. Twisselmann 1956-2-9 2505 San Luis Obispo York Mountain, Santa Lucia Range 274 Comment
  CAS-BOT-BC168974  Ribes malvaceum Ernest C. Twisselmann 1956-1-24 2504 San Luis Obispo Upper Calf Canyon - La Panza Range 457 Comment
  CAS-BOT-BC169166  Atriplex lentiformis Ernest C. Twisselmann 1968-10-21 15043 San Luis Obispo Estrella River just above Estrella 182 Comment
  CAS-BOT-BC169168  Atriplex lentiformis Ernest C. Twisselmann 1955-11-11 2495 San Luis Obispo Cholame Creek at Palo Prieta Road - Temblor Range and the Western San Joaquin Valley 335 Comment
  CAS-BOT-BC169235  Toxicodendron diversilobum Ernest C. Twisselmann 1968-5-13 14203 San Luis Obispo Head of Cammatta Canyon at the cottinham place - La Panza Range 609 Comment
  CAS-BOT-BC169236  Toxicodendron diversilobum Ernest C. Twisselmann 1968-5-13 14203 San Luis Obispo Head of Cammatta Canyon at the cottinham place - La Panza Range 609 Comment
  CAS-BOT-BC169241  Toxicodendron diversilobum Ernest C. Twisselmann 1969-4-24 15169 San Luis Obispo Santa Ysabel Ranch on the east side of the Salinas river 5 miles south of Paso Robles 213 Comment
  CAS-BOT-BC170078  Atriplex vallicola Ernest C. Twisselmann 1954-6-5 1326 San Luis Obispo Soda Lake, Wastelands at South End, Carrisa Plans - Temblor Range and the Western San Joaquin Valley 563 Comment
  CAS-BOT-BC170080  Atriplex vallicola Ernest C. Twisselmann 1956-6-26 3017 San Luis Obispo Simmler road, 1.5 miles north of Soda Lake - Temblor Range and the Western San Joaquin Valley 609 Comment
  CAS-BOT-BC17126  Delphinium recurvatum Ernest C. Twisselmann 1955-4-26 1900 San Luis Obispo Alkaline sinks 1 mile north of Soda Lake 640 Comment
  CAS-BOT-BC172265  Clarkia cylindrica subsp. cylindrica Ernest C. Twisselmann 1954-4-30 1126 San Luis Obispo Hills at head of Palo Prieta Creek, Temblor Range and the Western San Joaquin Valley 883 Comment
  CAS-BOT-BC172266  Clarkia cylindrica subsp. cylindrica Ernest C. Twisselmann 1954-4-30 1126 San Luis Obispo Palo Prieta Hills, at head of Palo Prieta Creek, Temblor Range and the Western San Joaquin Valley 609 Comment
  CAS-BOT-BC172271  Clarkia cylindrica subsp. cylindrica Ernest C. Twisselmann 1956-5-7 2781 San Luis Obispo Maxey Ranch, in the low hills east of the Cholame Valley 518 Comment
  CAS-BOT-BC172615  Atriplex coronata Ernest C. Twisselmann 1956-6-7 2900 San Luis Obispo San Juan Valley at McCornack Ranch 426 Comment
  CAS-BOT-BC172617  Atriplex coronata Ernest C. Twisselmann 1956-6-26 3015 San Luis Obispo Simmler Road, 1.5 miles north of Soda Lake 609 Comment
  CAS-BOT-BC172622  Atriplex coronata Ernest C. Twisselmann 1956-6-26 3015 San Luis Obispo Simmler Road, 1.5 miles north of Soda Lake 609 Comment
  CAS-BOT-BC172623  Atriplex coronata Ernest C. Twisselmann 1969-8-23 15932 San Luis Obispo Sag pond on the San Andreas Fault, hills at the head of Choice Valley 685 Comment
  CAS-BOT-BC172627  Atriplex coronata Ernest C. Twisselmann 1954-5-12 1220 San Luis Obispo Hills at Palo Prieta Summit 685 Comment
  CAS-BOT-BC172631  Atriplex coronata Ernest C. Twisselmann 1969-8-23 15932 San Luis Obispo Sag pond on the San Andreas Fault, hills at the head of Choice Valley 685 Comment
  CAS-BOT-BC174518  Loeflingia squarrosa Ernest C. Twisselmann 1955-5-18 2008 San Luis Obispo San Juan River Valley, 8.6 miles south of Shandon 426 Comment
  CAS-BOT-BC174521  Loeflingia squarrosa Ernest C. Twisselmann 1956-5-22 2856 San Luis Obispo Kelly's Canyon, Red Hills 518 Comment
  CAS-BOT-BC174528  Loeflingia squarrosa Ernest C. Twisselmann 1955-5-18 2008 San Luis Obispo San Juan River Valley, 8.6 miles south of Shandon 426 Comment
  CAS-BOT-BC174530  Loeflingia squarrosa Ernest C. Twisselmann 1956-5-22 2856 San Luis Obispo Kelly's Canyon, Red Hills 518 Comment
  CAS-BOT-BC174937  Silene laciniata Ernest C. Twisselmann 1955-10-1 2438 San Luis Obispo Sand hills 1 mile north of Baywood Park 15 Comment
  CAS-BOT-BC175598  Parnassia palustris Ernest C. Twisselmann 1956-11-7 3231 San Luis Obispo Santa Lucia Range: Cypress Swamp, Cypress Mountain 640 Comment
  CAS-BOT-BC177794  Astragalus curtipes Ernest C. Twisselmann 1972-4-1 18600 San Luis Obispo Edna Valley, 0.75 mile southeast of Edna 30 Comment
  CAS-BOT-BC177820  Astragalus curtipes Ernest C. Twisselmann 1972-4-1 18600 San Luis Obispo Edna Valley, 0.75 mile southeast of Edna 30 Comment
  CAS-BOT-BC178056  Astragalus lentiginosus var. nigricalycis Ernest C. Twisselmann 1954-6-5 1341 San Luis Obispo Summit of Crocker Pass, Sotuherastern San Luis Obispo County - Temblor Range and the Western San Joaquin Valley 972 Comment
  CAS-BOT-BC178059  Astragalus lentiginosus var. nigricalycis Ernest C. Twisselmann 1954-6-12 1361 San Luis Obispo Elkhorn Plain, Southeastern San Luis Obispo County - Temblor Range and the Western San Joaquin Valley 701 Comment
  CAS-BOT-BC178244  Astragalus gambelianus Ernest C. Twisselmann 1969-4-24 15181 San Luis Obispo Santa Ysabel Ranch, east side of the Salinas River 5 miles south of Paso Robles 228 Comment
  CAS-BOT-BC178246  Astragalus gambelianus Ernest C. Twisselmann; Donald J. Bedell 1971-4-26 17667 San Luis Obispo Franklin Canyon ca. 2.5 miles southeast of Paso Robles 243 Comment
  CAS-BOT-BC178929  Chorizanthe angustifolia Ernest C. Twisselmann 1959-5-23 5271 San Luis Obispo Pecho Hills, just N of the mouth of Hazard Canyon 45 Comment
  CAS-BOT-BC178933  Chorizanthe angustifolia Ernest C. Twisselmann 1956-4-10 2636 San Luis Obispo Nipomo Mesa, 1.5 miles E of the Union Oil Refinery 33 Comment
  CAS-BOT-BC178934  Chorizanthe angustifolia Ernest C. Twisselmann 1956-4-10 2636 San Luis Obispo Nipomo Mesa, 1.5 miles E of the Union Oil Refinery 33 Comment
  CAS-BOT-BC178967  Chorizanthe biloba Ernest C. Twisselmann 1954-6-3 1316 San Luis Obispo Hills at Summit of Palo Prieta Canyon, 7 miles S of Cholame. Temblor Range and the Western San Joquin Valley 670 Comment
  CAS-BOT-BC178971  Chorizanthe biloba Ernest C. Twisselmann 1963-6-9 8389 San Luis Obispo Hills at the summit of Palo Prieta Canyon. Temblor Range and the Western San Joquin Valley 678 Comment
  CAS-BOT-BC178973  Chorizanthe biloba Ernest C. Twisselmann 1954-5-12 1217 San Luis Obispo Palo Prieta Summit, 7 miles S of Cholame. Temblor Range and the Western San Joquin Valley 640 Comment
  CAS-BOT-BC179735  Centrostegia thurberi Ernest C. Twisselmann 1957-5-3 3466 San Luis Obispo Caliente Range: Padrone Spring Canyon 762 Comment
  CAS-BOT-BC180651  Salsola tragus Ernest C. Twisselmann 1954-6-12 1364 San Luis Obispo Simmler Road, 2 miles north of Grocer Grade Summit, Temblor Range and the Western San Joaquin Valley 914 Comment
  CAS-BOT-BC180652  Salsola tragus Ernest C. Twisselmann 1954-7-18 1435 San Luis Obispo Choice Valley, 1 1/2 miles east of Palo Prieta Summit, R. Twisselmann wheat field, Temblor Range and the Western San Joaquin Valley 594 Comment
  CAS-BOT-BC180653  Salsola tragus Ernest C. Twisselmann 1954-7-18 1436 San Luis Obispo Choice Valley, 1 1/2 miles east of Palo Prieta Summit (Wolf Canyon), Temblor Range and the Western San Joaquin Valley 594 Comment
  CAS-BOT-BC180659  Salsola tragus Ernest C. Twisselmann 1954-7-18 1435 San Luis Obispo Choice Valley, 1 1/2 miles east of Palo Prieta Summit - Temblor Range and the Western San Joaquin Valley 594 Comment
  CAS-BOT-BC180660  Salsola tragus Ernest C. Twisselmann 1969-7-5 15667 San Luis Obispo South River Road, 4 miles south of Paso Robles 182 Comment
  CAS-BOT-BC180696  Salsola tragus Ernest C. Twisselmann 1969-7-5 15667 San Luis Obispo South River Road, 4 miles south of Paso Robles 182 Comment
  CAS-BOT-BC180700  Salsola tragus Ernest C. Twisselmann 1954-6-12 1364 San Luis Obispo Simmler Road, 2 miles north of Grocer Grade Summit, Temblor Range and the Western San Joaquin Valley 914 Comment
  CAS-BOT-BC180851  Atriplex serenana var. serenana Ernest C. Twisselmann 1968-9-11 14922 San Luis Obispo Highway 46, across the river from Shandon 313 Comment
  CAS-BOT-BC180852  Atriplex serenana var. serenana Ernest C. Twisselmann 1954-10-9 1616 San Luis Obispo San Andreas Fault at Summit of Palo Prieta Canyon - Temblor Range and the Western San Joaquin Valley Comment
  CAS-BOT-BC180853  Atriplex serenana var. serenana Ernest C. Twisselmann 1954-10-9 1616 San Luis Obispo San Andreas Fault at Summit of Palo Prieta Canyon - Temblor Range and the Western San Joaquin Valley Comment
  CAS-BOT-BC180855  Atriplex serenana var. serenana Ernest C. Twisselmann 1953-9-2 729 San Luis Obispo Miller Well, 5 miles east of Simmler, Carrisa Plains - Temblor Range and the Western San Joaquin Valley 731 Comment
  CAS-BOT-BC180900  Atriplex serenana var. serenana Ernest C. Twisselmann 1968-9-11 14922 San Luis Obispo Highway 46, across the river from Shandon 313 Comment
  CAS-BOT-BC182344  Astragalus didymocarpus var. didymocarpus Ernest C. Twisselmann 1961-3-27 6022 San Luis Obispo Grant's Lake 576 Comment
  CAS-BOT-BC182345  Astragalus didymocarpus var. didymocarpus Ernest C. Twisselmann 1957-4-24 3404 San Luis Obispo Choice Valley Hills: Salt Canyon 579 Comment
  CAS-BOT-BC182358  Astragalus didymocarpus var. didymocarpus Ernest C. Twisselmann 1957-4-24 3404 San Luis Obispo Choice Valley Hills: Salt Canyon 579 Comment
  CAS-BOT-BC182359  Astragalus didymocarpus var. didymocarpus Ernest C. Twisselmann 1961-3-27 6022 San Luis Obispo Grant's Lake 576 Comment
  CAS-BOT-BC182360  Astragalus didymocarpus var. didymocarpus Ernest C. Twisselmann 1962-3-26 6714 San Luis Obispo Palo Prieta Canyon, 3.5 miles south of Cholame 579 Comment
  CAS-BOT-BC182367  Astragalus didymocarpus var. didymocarpus Ernest C. Twisselmann 1958-5-12 4458 San Luis Obispo Elkhorn Scarp: canyon above the Van Matre Ranch 792 Comment
  CAS-BOT-BC182888  Astragalus douglasii Ernest C. Twisselmann 1955-5-18 2010 San Luis Obispo Summit of Red Hills, eastern San Luis Obispo County 762 Comment
  CAS-BOT-BC182893  Astragalus douglasii Ernest C. Twisselmann 1963-4-30 8118 San Luis Obispo Hills at the summit of Palo Prieta Canyon 655 Comment
  CAS-BOT-BC182906  Astragalus douglasii Ernest C. Twisselmann 1954-4-29 1119 San Luis Obispo Summit of Palo Prieta Pass 640 Comment
  CAS-BOT-BC182915  Astragalus douglasii Ernest C. Twisselmann 1955-5-18 2010 San Luis Obispo Summit of Red Hills, eastern San Luis Obispo County 762 Comment
  CAS-BOT-BC183694  Vulpia microstachys var. ciliata Ernest C. Twisselmann 1955-3-26 1763 San Luis Obispo San Juan River Valley, 10 miles south of Shandon 426 Comment
  CAS-BOT-BC183827  Vulpia microstachys var. confusa Ernest C. Twisselmann 1965-3-23 10498 San Luis Obispo Hills at the head of Palo Prieta Canyon 640 Comment
  CAS-BOT-BC184035  Vulpia microstachys var. microstachys Ernest C. Twisselmann 1955-3-26 1763 San Luis Obispo San Juan River Valley, 10 miles south of Shandon 426 Comment
  CAS-BOT-BC184507  Vulpia microstachys var. pauciflora Ernest C. Twisselmann 1955-3-22 1760 San Luis Obispo Panorama Hills, southeastern San Luis Obispo County 762 Comment
  CAS-BOT-BC184510  Vulpia microstachys var. pauciflora Ernest C. Twisselmann 1952-6-18 31 San Luis Obispo Chris Twisselmann Ranch, 6 miles south of Cholame. Along the scarp of the San Andreas Fault (in the buck pasture near the ranchgrounds) Comment
  CAS-BOT-BC184512  Vulpia microstachys var. pauciflora Ernest C. Twisselmann 1955-3-22 1760 San Luis Obispo Panorama Hills, southeastern San Luis Obispo County 762 Comment
  CAS-BOT-BC184518  Vulpia microstachys var. pauciflora Ernest C. Twisselmann 1955-4-6 1805 San Luis Obispo Elkhorn Plain, southeastern San Luis Obispo County 731 Comment
  CAS-BOT-BC184523  Vulpia microstachys var. pauciflora Ernest C. Twisselmann 1955-5-2 1913 San Luis Obispo Hills at Palo Prieta Summit 685 Comment
  CAS-BOT-BC184857  Chloris virgata Ernest C. Twisselmann 1954-11-12 1669 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Hopper Ranch, 0.25 mile west of Shandon on San Juan Road. 315 Comment
  CAS-BOT-BC184858  Chloris virgata Ernest C. Twisselmann 1968-8-23 14910 San Luis Obispo Estrella River 2.5 miles north of River Grove. 243 Comment
  CAS-BOT-BC184859  Chloris virgata Ernest C. Twisselmann 1968-10-21 15028 San Luis Obispo Estrella Plains. Buena Vista Drive, 0.4 mile north of Highway 46. 213 Comment
  CAS-BOT-BC184860  Chloris virgata Ernest C. Twisselmann 1968-10-21 15028 San Luis Obispo Estrella Plains. Buena Vista Drive, 0.4 mile north of Highway 46. 213 Comment
  CAS-BOT-BC184862  Chloris virgata Ernest C. Twisselmann 1968-8-23 14910 San Luis Obispo Estrella River 2.5 miles north of River Grove. 243 Comment
  CAS-BOT-BC185749  Vulpia myuros subsp. megalura Ernest C. Twisselmann 1969-4-14 15118 San Luis Obispo La Panza Range. Camatta Road, 6 miles south of Creston 419 Comment
  CAS-BOT-BC185757  Vulpia myuros subsp. megalura Ernest C. Twisselmann 1969-4-14 15118 San Luis Obispo La Panza Range. Cammatta Road, 6 miles south of Creston 419 Comment
  CAS-BOT-BC186526  Astragalus nuttallii var. nuttallii Ernest C. Twisselmann 1967-4-27 12903 San Luis Obispo Mesa just north of San Simeon Beach State Park 9 Comment
  CAS-BOT-BC186539  Astragalus nuttallii var. nuttallii Ernest C. Twisselmann 1959-5-6 5200 San Luis Obispo Santa Lucia Range: Highway 1 at San Carpoforo Creek 22 Comment
  CAS-BOT-BC186540  Astragalus nuttallii var. nuttallii Ernest C. Twisselmann 1967-4-27 12903 San Luis Obispo Mesa just north of San Simeon Beach State Park 9 Comment
  CAS-BOT-BC186543  Astragalus nuttallii var. nuttallii Ernest C. Twisselmann 1959-5-6 5200 San Luis Obispo Santa Lucia Range: Highway 1 at San Carpoforo Creek 22 Comment
  CAS-BOT-BC187217  Astragalus lentiginosus var. idriensis Ernest C. Twisselmann 1955-5-12 1970 San Luis Obispo Summit of Horseshoe Canyon, Temblor Mountains 1127 Comment
  CAS-BOT-BC187966  Eriastrum luteum Ernest C. Twisselmann 1967-7-8 13543 San Luis Obispo N spur of Black Mountain 670 Comment
  CAS-BOT-BC188073  Eriodictyon tomentosum Ernest C. Twisselmann 1955-7-22 2279 San Luis Obispo Navajo Canyon hills, 0.5 mile S of Bethel Ranch 579 Comment
  CAS-BOT-BC188999  Eriodictyon parryi Ernest C. Twisselmann 1955-5-27 2023 San Luis Obispo Near Honey Bee Mine, Cammatta Canyon 624 Comment
  CAS-BOT-BC189419  Cryptantha circumscissa Ernest C. Twisselmann 1957-5-3 3465 San Luis Obispo Caliente Range: Padrone Spring Canyon 762 Comment
  CAS-BOT-BC189420  Cryptantha circumscissa Ernest C. Twisselmann 1957-5-3 3465 San Luis Obispo Caliente Range, Padrone Spring Canyon 762 Comment
  CAS-BOT-BC189582  Cryptantha circumscissa var. circumscissa Ernest C. Twisselmann 1955-4-9 1829 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Red Hills, 7.6 miles SE of Shandon 434 Comment
  CAS-BOT-BC189825  Dactylis glomerata Ernest C. Twisselmann 1959-5-7 5201 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Choice Valley Road at the south end of Grant's Lake. 548 Comment
  CAS-BOT-BC190111  Crypsis schoenoides Ernest C. Twisselmann 1968-10-21 15032 San Luis Obispo Paso Robles. Salinas River just below the Highway 46 bridge. 181 Comment
  CAS-BOT-BC190320  Cynodon dactylon Ernest C. Twisselmann 1967-9-9 13685 San Luis Obispo Palo Prieta Creek below Ortega Spring. 594 Comment
  CAS-BOT-BC190322  Cynodon dactylon Ernest C. Twisselmann 1967-9-9 13685 San Luis Obispo Palo Prieta Creek below Ortega Spring. 594 Comment
  CAS-BOT-BC191244  Chorizanthe douglasii Ernest C. Twisselmann 1955-5-27 2024 San Luis Obispo Mariana Creek, La Panza Mountains. La Panza Range 594 Comment
  CAS-BOT-BC191245  Chorizanthe douglasii Ernest C. Twisselmann 1955-5-27 2024 San Luis Obispo Mariana Creek, La Panza Mountains. La Panza Range 594 Comment
  CAS-BOT-BC194241  Astragalus oxyphysus Ernest C. Twisselmann 1954-4-17 1083 San Luis Obispo 1 1/2 miles east of Soda Lake, Carrizo Plains - Temblor Range and the Western San Joaquin Valley 609 Comment
  CAS-BOT-BC194243  Astragalus oxyphysus Ernest C. Twisselmann 1963-4-24 8100 San Luis Obispo Highway U.S. 466, 1.25 mile west of Cholame - Temblor Range and the Western San Joaquin Valley 365 Comment
  CAS-BOT-BC194245  Astragalus oxyphysus Ernest C. Twisselmann 1963-4-24 8100 San Luis Obispo Highway U.S. 466, 1.25 mile west of Cholame - Temblor Range and the Western San Joaquin Valley 365 Comment
  CAS-BOT-BC195744  Lupinus albifrons var. albifrons Ernest C. Twisselmann 1952-4-1 274 San Luis Obispo Chris Twisselmann Ranch, 7 miles south of Cholame 670 Comment
  CAS-BOT-BC195745  Lupinus albifrons var. albifrons Ernest C. Twisselmann 1954-3-8 857 San Luis Obispo Palo Prieta Canyon: near summit, 7 miles south of Cholame 609 Comment
  CAS-BOT-BC199838  Vulpia bromoides Ernest C. Twisselmann 1955-3-22 1755 San Luis Obispo Alkali sink 1 mile north of Soda Lake 609 Comment
  CAS-BOT-BC199841  Vulpia bromoides Ernest C. Twisselmann 1954-4-4 983 San Luis Obispo Palo Prieta Canyon: 2 miles south of Cholame 365 Comment
  CAS-BOT-BC199843  Vulpia bromoides Ernest C. Twisselmann 1954-4-4 983 San Luis Obispo Palo Prieta Canyon: 2 miles south of Cholame 365 Comment
  CAS-BOT-BC200523  Triticum aestivum Ernest C. Twisselmann 1954-5-4 1165 San Luis Obispo Palo Prieta Summit: 7 miles south of Cholame 670 Comment
  CAS-BOT-BC200527  Triticum aestivum Ernest C. Twisselmann 1970-5-17 16600 San Luis Obispo Flat below Grants Lake, eastern San Luis Obispo County 548 Comment
  CAS-BOT-BC200722  Rhus aromatica Ernest C. Twisselmann 1969-4-24 15204 San Luis Obispo Santa Ysabel Ranch, east side of the Salinas River 5 miles south of Paso Robles 228 Comment
  CAS-BOT-BC200726  Rhus aromatica Ernest C. Twisselmann 1955-7-22 2284 San Luis Obispo La Panza Range. Mouth of Toro Canyon 594 Comment
  CAS-BOT-BC200730  Rhus aromatica Ernest C. Twisselmann 1955-7-22 2284 San Luis Obispo La Panza Range. Mouth of Toro Canyon 594 Comment
  CAS-BOT-BC201596  Lupinus albifrons var. albifrons Ernest C. Twisselmann 1972-4-1 18598 San Luis Obispo East summit of the Pozo-Lopez Lake road 365 Comment
  CAS-BOT-BC201599  Lupinus albifrons var. albifrons Ernest C. Twisselmann 1963-4-25 8103 San Luis Obispo Goldtree Hills, 1 mile south of Grant's [Grant] Lake 731 Comment
  CAS-BOT-BC201616  Deschampsia danthonioides Ernest C. Twisselmann 1954-5-15 1479 San Luis Obispo At Palo Prieta Summit, 8 miles south of Cholame 667 Comment
  CAS-BOT-BC201624  Deschampsia danthonioides Ernest C. Twisselmann 1955-3-22 1752 San Luis Obispo 1 mile north of Soda Lake 609 Comment
  CAS-BOT-BC201626  Deschampsia danthonioides Ernest C. Twisselmann 1955-3-22 1752 San Luis Obispo 1 mile north of Soda Lake 609 Comment
  CAS-BOT-BC203664  Elymus glaucus subsp. glaucus Ernest C. Twisselmann 1959-4-24 5082 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Phelps Hill, Eben McMillan Ranch 670 Comment
  CAS-BOT-BC203677  Elymus glaucus subsp. glaucus Ernest C. Twisselmann 1955-6-16 2165 San Luis Obispo La Panza Range. Martinez Creek, near Queen Bee Mine 694 Comment
  CAS-BOT-BC203678  Elymus glaucus subsp. glaucus Ernest C. Twisselmann 1953-5-19 61 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch, 6 miles south of Cholame. (Buck Pasture: west fault scarp) 670 Comment
  CAS-BOT-BC204137  Malacothamnus jonesii Ernest C. Twisselmann 1955-6-16 2161 San Luis Obispo La Panza Range. Queen Bee Road, .5 mile south of Pozo Grade Summit 822 Comment
  CAS-BOT-BC204138  Malacothamnus jonesii Ernest C. Twisselmann 1955-6-16 2161 San Luis Obispo La Panza Range. Queen Bee Road, .5 mile south of Pozo Grade Summit 822 Comment
  CAS-BOT-BC204154  Malacothamnus jonesii Ernest C. Twisselmann 1956-5-7 2771 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Portagee Canyon, fork of Gillis Canyon 487 Comment
  CAS-BOT-BC204158  Malacothamnus jonesii Ernest C. Twisselmann 1955-7-22 2277 San Luis Obispo La Panza Range. Near head of Huer Huero [Huerhuero] Creek, Las Pilitas district 594 Comment
  CAS-BOT-BC204499  Eragrostis cilianensis Ernest C. Twisselmann 1967-9-8 13673 San Luis Obispo Temblor Range and the Western San Joaquin Valley. T. Franklin Twisselmann residence, Choice Valley 640 Comment
  CAS-BOT-BC204500  Eragrostis cilianensis Ernest C. Twisselmann 1967-9-8 13673 San Luis Obispo Temblor Range and the Western San Joaquin Valley. T. Franklin Twisselmann residence, Choice Valley 640 Comment
  CAS-BOT-BC204502  Eragrostis cilianensis Ernest C. Twisselmann 1960-10-12 6019 San Luis Obispo Raymond Twisselmann residence, Shandon 329 Comment
  CAS-BOT-BC206678  Malva assurgentiflora Ernest C. Twisselmann 1955-10-1 2433 San Luis Obispo Pismo Beach, marsh at south town limits. 3 Comment
  CAS-BOT-BC206689  Malacothamnus davidsonii Ernest C. Twisselmann 1957-7-31 3878 San Luis Obispo Bee Rock, Santa Lucia Range 426 Comment
  CAS-BOT-BC206690  Malacothamnus davidsonii Ernest C. Twisselmann 1957-7-31 3878 San Luis Obispo Bee Rock, Santa Lucia Range 426 Comment
  CAS-BOT-BC206935  Pickeringia montana var. montana Ernest C. Twisselmann 1955-5-29 2063 San Luis Obispo Pozo Canyon, La Panza Range 426 Comment
  CAS-BOT-BC207008  Pelargonium X hortorum Ernest C. Twisselmann 1967-4-27 12925 San Luis Obispo Abandoned service station 1.9 miles north of Piedras Blancas Point 6 Comment
  CAS-BOT-BC207080  Euphorbia ocellata Ernest C. Twisselmann 1954-6-12 1353 San Luis Obispo Southern Temblor Mountains, canyon 2.6 miles south of Crocker Grade - Temblor Range and the Western San Joaquin Valley 670 Comment
  CAS-BOT-BC207081  Euphorbia ocellata Ernest C. Twisselmann 1954-7-17 1431 San Luis Obispo Palo Prieta Creek, 3 miles south of Cholame - Temblor Range and the Western San Joaquin Valley 487 Comment
  CAS-BOT-BC207082  Euphorbia ocellata Ernest C. Twisselmann 1954-7-17 1431 San Luis Obispo Palo Prieta Creek, 3 miles south of Cholame - Temblor Range and the Western San Joaquin Valley 487 Comment
  CAS-BOT-BC207170  Ricinus communis Ernest C. Twisselmann 1955-9-1 2356 San Luis Obispo Foot of old Cuesta Grade, 3 1/2 miles north of San Luis Obispo 152 Comment
  CAS-BOT-BC207188  Thinopyrum intermedium subsp. intermedium Ernest C. Twisselmann 1967-9-17 13706 San Luis Obispo Choice Valley Road at the Choice Valley School - Temblor Range and the Western San Joaquin Valley 603 Comment
  CAS-BOT-BC207191  Thinopyrum intermedium subsp. intermedium Ernest C. Twisselmann 1956-6-28 3018 San Luis Obispo Chris Twisselmann Ranch - Temblor Range and the Western San Joaquin Valley 670 Comment
  CAS-BOT-BC207236  Lupinus ludovicianus Ernest C. Twisselmann 1972-4-1 18595 San Luis Obispo Canyon of Arroyo Grande Creek, ca. 4.5 miles east of Lopez Dam 243 Comment
  CAS-BOT-BC208912  Echinochloa crus-galli Ernest C. Twisselmann 1968-9-12 14927 San Luis Obispo T. Franklin Twisselmann Ranch, Choice Valley - Temblor Range and the Western San Joaquin Valley 609 Comment
  CAS-BOT-BC208914  Echinochloa crus-galli Ernest C. Twisselmann 1967-9-9 13696 San Luis Obispo Ortega Spring, Palo Prieta Canyon - Temblor Range and the Western San Joaquin Valley 598 Comment
  CAS-BOT-BC208915  Echinochloa crus-galli Ernest C. Twisselmann 1971-9-5 18500 San Luis Obispo Paso Robles Airport 182 Comment
  CAS-BOT-BC208916  Echinochloa crus-galli Ernest C. Twisselmann 1971-9-5 18500 San Luis Obispo Paso Robles Airport 182 Comment
  CAS-BOT-BC208920  Echinochloa crus-galli Ernest C. Twisselmann 1968-10-21 15027 San Luis Obispo Buena Vista Drive, 0.4 mile north of Highway 46, Estrella Plains 213 Comment
  CAS-BOT-BC209092  Digitaria sanguinalis Ernest C. Twisselmann 1968-10-21 15024 San Luis Obispo Buena Vista Drive 1 mile north of Highway 46, Estrella Plains 213 Comment
  CAS-BOT-BC209631  Eremalche parryi Ernest C. Twisselmann 1954-4-17 1096 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Carrisa Plains: 1 mile east of Soda Lake 670 Comment
  CAS-BOT-BC209632  Eremalche parryi Ernest C. Twisselmann 1958-5-12 4460 San Luis Obispo Temblor Range and the Western San Joaquin Valley. North end of Panorama Hills 731 Comment
  CAS-BOT-BC209633  Eremalche parryi Ernest C. Twisselmann 1958-4-29 4384 San Luis Obispo Temblor Range and the Western San Joaquin Valley. North end of Panorama Hills 746 Comment
  CAS-BOT-BC209635  Eremalche parryi Ernest C. Twisselmann 1955-3-22 1748 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Panarama [Panorama] Hills, southeastern San Luis Obispo County 762 Comment
  CAS-BOT-BC209637  Eremalche parryi Ernest C. Twisselmann 1955-6-7 2121 San Luis Obispo San Emigdio Range. Cuyama Valley: Ventura Highway, 1 mile north of Santa Barbara County line 739 Comment
  CAS-BOT-BC209639  Eremalche parryi Ernest C. Twisselmann 1958-5-12 4461 San Luis Obispo Temblor Range and the Western San Joaquin Valley. North end of Panorama Hills 731 Comment
  CAS-BOT-BC209640  Eremalche parryi Ernest C. Twisselmann 1958-4-29 4384 San Luis Obispo Temblor Range and the Western San Joaquin Valley. North end of Panorama Hills 746 Comment
  CAS-BOT-BC209641  Eremalche parryi Ernest C. Twisselmann 1954-4-17 1096 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Carrisa Plains: 1 mile east of Soda Lake 670 Comment
  CAS-BOT-BC209649  Eremalche parryi Ernest C. Twisselmann 1958-5-12 4461 San Luis Obispo Temblor Range and the Western San Joaquin Valley. North end of Panorama Hills 731 Comment
  CAS-BOT-BC211573  Tamarix parviflora Ernest C. Twisselmann 1954-4-22 1108 San Luis Obispo 2 miles south of Palo Prieta Summit, Choice Valley, Temblor Range and the Western San Joaquin Valley 579 Comment
  CAS-BOT-BC211574  Tamarix parviflora Ernest C. Twisselmann 1954-4-22 1108 San Luis Obispo 2 miles south of Palo Prieta Summit, Choice Valley, Temblor Range and the Western San Joaquin Valley 579 Comment
  CAS-BOT-BC211635  Frankenia salina Ernest C. Twisselmann 1958-8-17 4682 San Luis Obispo Vernal pool along the San Andreas Fault at the summit of Palo Prieta Canyon, Temblor Range and the Western San Joaquin Valley 685 Comment
  CAS-BOT-BC211636  Frankenia salina Ernest C. Twisselmann 1962-8-23 7683 San Luis Obispo Owens Lake, hills at the summit of Palo Prieta Canyon, Temblor Range and the Western San Joaquin Valley 685 Comment
  CAS-BOT-BC211640  Frankenia salina Ernest C. Twisselmann 1957-11-2 4108 San Luis Obispo East side of Morro Bay Comment
  CAS-BOT-BC212256  Ribes quercetorum Ernest C. Twisselmann 1954-2-7 833 San Luis Obispo Palo Prieta Canyon, 4 miles south of Cholame, opposite old rock quarry, Temblor Range and the Western San Joaquin Valley 518 Comment
  CAS-BOT-BC214406  Eremalche parryi subsp. kernensis Ernest C. Twisselmann 1955-4-6 1807 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Panorama Hills, southeastern San Luis Obispo County 792 Comment
  CAS-BOT-BC214407  Eremalche parryi subsp. kernensis Ernest C. Twisselmann 1958-5-12 4462 San Luis Obispo Temblor Range and the Western San Joaquin Valley. North end of Panorama Hills 731 Comment
  CAS-BOT-BC214410  Eremalche parryi subsp. kernensis Ernest C. Twisselmann 1958-5-12 4451 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Alkali sink 2 miles north of Soda Lake 624 Comment
  CAS-BOT-BC215973  Cuscuta californica Ernest C. Twisselmann 1954-6-17 1377 San Luis Obispo 4 miles south of Cholame, Palo Prieta, Temblor Range and the Western San Joaquin Valley 487 Comment
  CAS-BOT-BC215975  Cuscuta californica Ernest C. Twisselmann 1952-6-21 392 San Luis Obispo 4 miles south of U.S. 466, Palo Prieta Canyon, Temblor Range and the Western San Joaquin Valley 487 Comment
  CAS-BOT-BC218416  Perideridia pringlei Ernest C. Twisselmann 1955-5-27 2038 San Luis Obispo Ridge south of Upper Cammatta Canyon, La Panza Range 571 Comment
  CAS-BOT-BC219862  Monardella breweri subsp. breweri Ernest C. Twisselmann 1956-6-13 2932 San Luis Obispo La Panza Range. Vaquero Water Hills, near Rhodes Ranch 487 Comment
  CAS-BOT-BC219866  Monardella breweri subsp. breweri Ernest C. Twisselmann 1956-6-13 2932 San Luis Obispo La Panza Range. Vaquero Water Hills, near Rhodes Ranch 487 Comment
  CAS-BOT-BC220835  Trichostema lanatum Ernest C. Twisselmann 1955-6-10 2133 San Luis Obispo La Panza Range. Calf Canyon, 1 mile east of Creston Road 457 Comment
  CAS-BOT-BC220839  Trichostema lanatum Ernest C. Twisselmann 1955-6-10 2133 San Luis Obispo La Panza Range. Calf Canyon, 1 mile east of Creston Road 457 Comment
  CAS-BOT-BC221166  Calystegia malacophylla subsp. pedicellata Ernest C. Twisselmann 1955-5-27 2045 San Luis Obispo La Panza Range. Navajo Canyon road, .5 miles south of Cammatta Canyon summit 603 Comment
  CAS-BOT-BC221366  Calystegia macrostegia subsp. cyclostegia Ernest C. Twisselmann 1967-4-27 12928 San Luis Obispo South side of San Carpoforo Creek 53 Comment
  CAS-BOT-BC221403  Calystegia longipes Ernest C. Twisselmann 1955-7-22 2272 San Luis Obispo La Panza Range. Upper Toro Canyon 728 Comment
  CAS-BOT-BC221505  Lepechinia calycina Ernest C. Twisselmann 1960-5-27 5973 San Luis Obispo Mountain Springs Road, 2.3 miles west of Paso Robles 304 Comment
  CAS-BOT-BC221512  Lepechinia calycina Ernest C. Twisselmann 1955-5-27 2034 San Luis Obispo La Panza Range. Upper Navajo Canyon 762 Comment
  CAS-BOT-BC221513  Lepechinia calycina Ernest C. Twisselmann 1960-5-27 5973 San Luis Obispo Mountain Springs Road, 2.3 miles west of Paso Robles 304 Comment
  CAS-BOT-BC222385  Amsinckia douglasiana Ernest C. Twisselmann 1962-3-18 6706 San Luis Obispo Temblor Range and the Western San Joaquin Valley. At the summit of Palo Prieta Canyon 655 Comment
  CAS-BOT-BC222387  Amsinckia douglasiana Ernest C. Twisselmann 1962-3-26 6712 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta Canyon, 3.5 miles south of Cholame 579 Comment
  CAS-BOT-BC222389  Amsinckia douglasiana Ernest C. Twisselmann 1954-3-8 859 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta Canyon: near summit, 7 miles south of Cholame 579 Comment
  CAS-BOT-BC222400  Amsinckia furcata Ernest C. Twisselmann 1955-3-22 1751 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Panorama Hills, southeastern San Luis Obispo County 762 Comment
  CAS-BOT-BC223310  Sanicula bipinnatifida Ernest C. Twisselmann 1962-4-7 6768 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Goldtree Hills, 1/2 mile southwest of Grant's Lake 601 Comment
  CAS-BOT-BC223314  Sanicula bipinnatifida Ernest C. Twisselmann 1962-5-20 7170 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Hills at the summit of Palo Prieta Canyon 685 Comment
  CAS-BOT-BC224675  Calystegia purpurata subsp. purpurata Ernest C. Twisselmann 1956-12-16 3263 San Luis Obispo Santa Lucia Range: Old Creek Canyon 381 Comment
  CAS-BOT-BC225363  Gilia latiflora subsp. davyi Ernest C. Twisselmann 1957-5-3 3464 San Luis Obispo padrone Spring Canyon, Caliente Range 762 Comment
  CAS-BOT-BC225515  Gilia tenuiflora Ernest C. Twisselmann 1954-3-20 905 San Luis Obispo Palo Prieta Canyon, 3 miles south of US466, Temblor Range and the Western San Joaquin Valley 502 Comment
  CAS-BOT-BC226473  Gilia tenuiflora subsp. tenuiflora Ernest C. Twisselmann 1955-6-14 2143 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Mouth of Hughes Canyon, Red Hills 426 Comment
  CAS-BOT-BC226475  Gilia tenuiflora subsp. tenuiflora Ernest C. Twisselmann 1955-5-27 2052 San Luis Obispo La Panza Range. Cammatta Canyon at Bethel ranch fence 533 Comment
  CAS-BOT-BC226498  Gilia tenuiflora subsp. amplifaucalis Ernest C. Twisselmann 1955-5-27 2052 San Luis Obispo La Panza Range. Cammatta Canyon at Bethel Ranch fence 533 Comment
  CAS-BOT-BC226501  Gilia tenuiflora subsp. amplifaucalis Ernest C. Twisselmann 1969-5-7 15224 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta Canyon 563 Comment
  CAS-BOT-BC226503  Gilia tenuiflora subsp. amplifaucalis Ernest C. Twisselmann 1969-5-7 15224 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta Canyon 563 Comment
  CAS-BOT-BC226505  Gilia tenuiflora subsp. amplifaucalis Ernest C. Twisselmann 1955-5-27 2057 San Luis Obispo La Panza Range. Lower Cammatta Canyon 419 Comment
  CAS-BOT-BC226846  Linanthus californicus Ernest C. Twisselmann 1955-5-27 2030 San Luis Obispo La Panza Range. Navajo Canyon 594 Comment
  CAS-BOT-BC228683  Elymus multisetus Ernest C. Twisselmann 1956-5-22 2858 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Kelly's Canyon, Red Hills 571 Comment
  CAS-BOT-BC228689  Elymus multisetus Ernest C. Twisselmann 1956-5-22 2858 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Kelly's Canyon, Red Hills 571 Comment
  CAS-BOT-BC229442  Abronia umbellata Ernest C. Twisselmann 1955-10-1 2426 San Luis Obispo Sand dunes at southwest end of Morro Bay 7 Comment
  CAS-BOT-BC230016  Salvia mellifera Ernest C. Twisselmann 1955-6-14 2144 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Hughes Canyon, Red Hills 487 Comment
  CAS-BOT-BC230029  Salvia mellifera Ernest C. Twisselmann 1955-6-14 2144 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Hughes Canyon, Red Hills 487 Comment
  CAS-BOT-BC230103  Carpobrotus chilensis Ernest C. Twisselmann 1959-5-23 5279 San Luis Obispo Point Buchon 4 Comment
  CAS-BOT-BC230448  Navarretia mitracarpa Ernest C. Twisselmann 1954-5-12 1215 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta Summit (Palo Prieta Field, near Hardenburgh fence) 7 miles S of Cholame 640 Comment
  CAS-BOT-BC230450  Navarretia mitracarpa Ernest C. Twisselmann 1963-6-9 8388 San Luis Obispo Temblor Range and the Western San Joaquin Valley. At the summit of Palo Prieta Canyon 678 Comment
  CAS-BOT-BC230452  Navarretia mitracarpa Ernest C. Twisselmann 1966-5-29 12328 San Luis Obispo Temblor Range and the Western San Joaquin Valley. At the summit of Palo Prieta Canyon 655 Comment
  CAS-BOT-BC23092  Arctostaphylos glandulosa subsp. glandulosa Ernest C. Twisselmann; Donald J. Bedell 1968-3-6 14053 San Luis Obispo La Panza Range, along the summit ridge of Black Mountain. 993 Comment
  CAS-BOT-BC23093  Arctostaphylos glandulosa subsp. glandulosa Ernest C. Twisselmann; Donald J. Bedell 1968-3-6 14053 San Luis Obispo La Panza Range, along the summit ridge of Black Mountain. 993 Comment
  CAS-BOT-BC231443  Lycium andersonii Ernest C. Twisselmann 1958-5-12 4455 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Elkhorn Scarp: canyon above the Van Matre Ranch 792 Comment
  CAS-BOT-BC233248  Polypogon maritimus Ernest C. Twisselmann 1955-6-16 2171 San Luis Obispo La Panza Range. Upper Buckhorn Canyon 609 Comment
  CAS-BOT-BC234941  Lonicera subspicata var. denudata Ernest C. Twisselmann 1954-5-15 1236 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta Canyon: 4 miles south of Cholame 487 Comment
  CAS-BOT-BC234944  Lonicera subspicata var. denudata Ernest C. Twisselmann 1955-6-16 2152 San Luis Obispo La Panza Range. Queen Bee Canyon 673 Comment
  CAS-BOT-BC236523  Sorghum bicolor Ernest C. Twisselmann 1968-9-16 14931 San Luis Obispo Highway 46, across the river from Shandon 313 Comment
  CAS-BOT-BC236575  Sorghum halepense Ernest C. Twisselmann 1962-10-14 7922 San Luis Obispo Choice Valley, 1.5 mile east of the summit, Temblor Range and the Western San Joaquin Valley 640 Comment
  CAS-BOT-BC236576  Sorghum halepense Ernest C. Twisselmann 1967-9-15 13702 San Luis Obispo Choice Valley Road, just below Grants Lake, Temblor Range and the Western San Joaquin Valley 579 Comment
  CAS-BOT-BC236577  Sorghum halepense Ernest C. Twisselmann 1967-9-15 13702 San Luis Obispo Choice Valley Road, just below Grants Lake, Temblor Range and the Western San Joaquin Valley 579 Comment
  CAS-BOT-BC236578  Sorghum halepense Ernest C. Twisselmann 1954-7-20 1454 San Luis Obispo Choice Valley Road, 4.2 miles south of Choice Valley School, Temblor Range and the Western San Joaquin Valley 527 Comment
  CAS-BOT-BC236579  Sorghum halepense Ernest C. Twisselmann 1954-7-20 1454 San Luis Obispo Choice Valley Road, 4.2 miles south of Choice Valley School, Temblor Range and the Western San Joaquin Valley 527 Comment
  CAS-BOT-BC237051  Symphoricarpos mollis Ernest C. Twisselmann 1955-7-31 2294 San Luis Obispo Jack Creek at York Mountain 274 Comment
  CAS-BOT-BC237052  Symphoricarpos mollis Ernest C. Twisselmann 1955-7-31 2294 San Luis Obispo Jack Creek at York Mountain 274 Comment
  CAS-BOT-BC237333  Polypogon monspeliensis Ernest C. Twisselmann 1958-10-24 4885 San Luis Obispo Temblor Range and the Western San Joaquin Valley. San Andreas Fault at the summit of Palo Prieta Canyon (Spring Lake) 701 Comment
  CAS-BOT-BC237335  Polypogon monspeliensis Ernest C. Twisselmann 1967-9-9 13690 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Ortega Spring, Palo Prieta Canyon and along Palo Prieta Creek just below 598 Comment
  CAS-BOT-BC237338  Polypogon monspeliensis Ernest C. Twisselmann 1954-5-1 1147 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Lower Associated Spring, 6 miles E of Simmler 487 Comment
  CAS-BOT-BC237339  Polypogon monspeliensis Ernest C. Twisselmann 1954-5-1 1147 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Lower Associated Spring, 6 miles E of Simmler 487 Comment
  CAS-BOT-BC237575  Polypogon viridis Ernest C. Twisselmann 1967-9-9 13697 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Ortega Spring, Palo Prieta Canyon, along Palo Prieta Creek 598 Comment
  CAS-BOT-BC237887  Antirrhinum ovatum Ernest C. Twisselmann 1954-5-29 1306 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Gypsum Mine: 6 miles southeast of Simmler 624 Comment
  CAS-BOT-BC237907  Antirrhinum ovatum Ernest C. Twisselmann 1962-8-23 7695 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Hills at the summit of Palo Prieta Canyon 701 Comment
  CAS-BOT-BC237909  Antirrhinum ovatum Ernest C. Twisselmann 1962-8-23 7695 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Hills at the summit of Palo Prieta Canyon 701 Comment
  CAS-BOT-BC239936  Schismus arabicus Ernest C. Twisselmann 1955-4-6 1808 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Elkhorn Plain, southeastern San Luis Obispo County 807 Comment
  CAS-BOT-BC239945  Schismus arabicus Ernest C. Twisselmann 1955-4-6 1808 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Elkhorn Plain, southeastern San Luis Obispo County 807 Comment
  CAS-BOT-BC239946  Schismus arabicus Ernest C. Twisselmann 1956-5-22 2857 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Kelly's Canyon, Red Hills 518 Comment
  CAS-BOT-BC240251  Setaria viridis Ernest C. Twisselmann; Donald J. Bedell 1969-7-5 15665 San Luis Obispo South River Road, 4 miles south of Paso Robles 182 Comment
  CAS-BOT-BC240257  Setaria viridis Ernest C. Twisselmann; Donald J. Bedell 1969-7-5 15665 San Luis Obispo South River Road, 4 miles south of Paso Robles 182 Comment
  CAS-BOT-BC240817  Lonicera interrupta Ernest C. Twisselmann 1969-4-24 15195 San Luis Obispo Santa Ysabel Ranch, east side of the Salinas River 5 miles south of Paso Robles 228 Comment
  CAS-BOT-BC241670  Eriogonum baileyi var. baileyi Ernest C. Twisselmann 1954-7-17 1434 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta Canyon: 3 miles south of Cholame 487 Comment
  CAS-BOT-BC241674  Eriogonum baileyi var. baileyi Ernest C. Twisselmann 1955-6-16 2155 San Luis Obispo La Panza Range. Martinez Canyon near Queen Bee Mine 624 Comment
  CAS-BOT-BC242508  Eriogonum clavatum Ernest C. Twisselmann 1957-5-3 3483 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Carrisa Plains [Carrizo Plain]: flood wash 9.9 miles south of Soda Lake 640 Comment
  CAS-BOT-BC242509  Eriogonum clavatum Ernest C. Twisselmann 1965-4-25 10549 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Hills at the summit of Palo Prieta Canyon 640 Comment
  CAS-BOT-BC242551  Eriogonum covilleanum Ernest C. Twisselmann 1957-5-3 3479 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Carrisa Plains [Carrizo Plain]: flood wash 9.9 miles south of Soda Lake 640 Comment
  CAS-BOT-BC242555  Eriogonum covilleanum Ernest C. Twisselmann 1957-5-3 3479 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Carrisa Plains [Carrizo Plain]: flood wash 9.9 miles south of Soda Lake 640 Comment
  CAS-BOT-BC243083  Poa secunda subsp. secunda Ernest C. Twisselmann 1955-5-18 1997 San Luis Obispo Temblor Range and the Western San Joaquin Valley. San Juan River Valley, 8.6 miles S of Shandon 426 Comment
  CAS-BOT-BC243085  Poa secunda subsp. secunda Ernest C. Twisselmann 1955-4-6 1830 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Carrisa Plains, 8.2 miles S of Soda Lake 655 Comment
  CAS-BOT-BC246010  Sambucus nigra subsp. caerulea Ernest C. Twisselmann 1968-5-13 14206 San Luis Obispo Head of Cammatta Canyon at teh Cottingham place, La Panz Range 609 Comment
  CAS-BOT-BC24609  Arctostaphylos glauca Ernest C. Twisselmann 1956-2-18 2509 San Luis Obispo Oak Flat, 3 mi. w. of Paso Robles. Shandon. 243 Comment
  CAS-BOT-BC24610  Arctostaphylos glauca Ernest C. Twisselmann 1956-2-18 2509 San Luis Obispo Oak Flat, 3 mi. w. of Paso Robles. Shandon. 243 Comment
  CAS-BOT-BC24611  Arctostaphylos glauca Ernest C. Twisselmann 1955-6-16 2151 San Luis Obispo Queen Bee Canyon. Shandon. 673 Comment
  CAS-BOT-BC24612  Arctostaphylos glauca Ernest C. Twisselmann 1955-6-16 2151 San Luis Obispo Queen Bee Canyon. Shandon. 673 Comment
  CAS-BOT-BC24613  Arctostaphylos glauca Ernest C. Twisselmann; Donald J. Bedell 1968-3-6 14052 San Luis Obispo La Panza Range: Fernandez Canyon. 487 Comment
  CAS-BOT-BC24614  Arctostaphylos glauca Ernest C. Twisselmann; Donald J. Bedell 1968-3-6 14052 San Luis Obispo La Panza Range: Fernandez Canyon. 487 Comment
  CAS-BOT-BC246590  Eriogonum elegans Ernest C. Twisselmann 1971-11-22 18532 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta Canyon, ca. 1.5 mile south of Highway 46 502 Comment
  CAS-BOT-BC246592  Eriogonum elegans Ernest C. Twisselmann 1955-9-1 2363 San Luis Obispo La Panza Range. Upper Mariana Creek 560 Comment
  CAS-BOT-BC246593  Eriogonum elegans Ernest C. Twisselmann 1971-11-22 18532 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta Canyon, ca. 1.5 mile south of Highway 46 502 Comment
  CAS-BOT-BC247816  Chorizanthe uniaristata Ernest C. Twisselmann 1955-6-14 2142 San Luis Obispo Temblor Range and the Western San Joaquin Valley. San Juan River Valley, 10 miles south of Shandon 365 Comment
  CAS-BOT-BC247818  Chorizanthe uniaristata Ernest C. Twisselmann 1956-6-26 3014 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Summit of Temblor Mountains east of the Mariannas [Mariana] Ranch 1066 Comment
  CAS-BOT-BC247820  Chorizanthe uniaristata Ernest C. Twisselmann 1956-6-26 3014 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Summit of Temblor Mountains east of the Mariannas [Mariana] Ranch 1066 Comment
  CAS-BOT-BC247822  Chorizanthe uniaristata Ernest C. Twisselmann 1954-5-31 1313 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta Canyon: 3 1/2 miles south of Cholame 518 Comment
  CAS-BOT-BC248552  Eriogonum angulosum Ernest C. Twisselmann 1954-7-4 1422 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta Summit: 7 miles south of Cholame 667 Comment
  CAS-BOT-BC248561  Eriogonum angulosum Ernest C. Twisselmann 1953-8-15 700 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta Hills, 7 miles south of Cholame 670 Comment
  CAS-BOT-BC248566  Eriogonum angulosum Ernest C. Twisselmann 1954-9-10 1571 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Cottonwood Pass: 1/4 mile west of Kern County Line 579 Comment
  CAS-BOT-BC248567  Eriogonum angulosum Ernest C. Twisselmann 1954-9-10 1571 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Cottonwood Pass: 1/4 mile west of Kern County Line 579 Comment
  CAS-BOT-BC248570  Eriogonum angulosum Ernest C. Twisselmann 1953-7-16 156 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Temblor Mountains: 1/4 mile west of Mariannas Ranch Comment
  CAS-BOT-BC248572  Eriogonum angulosum Ernest C. Twisselmann 1956-11-24 3258 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Hills at the summit of Palo Prieta Canyon. (Round Hill) 685 Comment
  CAS-BOT-BC249807  Eriogonum elongatum var. elongatum Ernest C. Twisselmann 1953-10-13 s.n. San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta Canyon, 4.5 miles south of U.S. 466 548 Comment
  CAS-BOT-BC249808  Eriogonum elongatum var. elongatum Ernest C. Twisselmann 1954-7-18 1437 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Hills at Palo Prieta Summit, 7 miles south of Cholame 609 Comment
  CAS-BOT-BC249811  Eriogonum elongatum var. elongatum Ernest C. Twisselmann 1954-7-18 1437 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Hills at Palo Prieta Summit, 7 miles south of Cholame 609 Comment
  CAS-BOT-BC249999  Eriogonum fasciculatum var. foliolosum Ernest C. Twisselmann 1954-5-24 1289 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta Canyon: 4 miles south of Cholame 518 Comment
  CAS-BOT-BC250250  Eriogonum fasciculatum var. polifolium Ernest C. Twisselmann 1954-6-12 1365 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Canyon of West Slope of Crocker Grade, Southern Temblor Mountains 731 Comment
  CAS-BOT-BC250518  Eriogonum gracile Ernest C. Twisselmann 1955-9-1 2362 San Luis Obispo La Panza Range. South summit of Calf Canyon 426 Comment
  CAS-BOT-BC250533  Eriogonum gracile Ernest C. Twisselmann 1955-9-1 2362 San Luis Obispo La Panza Range. South summit of Calf Canyon 426 Comment
  CAS-BOT-BC254433  Piptatherum miliaceum Ernest C. Twisselmann 1952-7-20 84 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch, 7 miles S of Cholame Comment
  CAS-BOT-BC254435  Piptatherum miliaceum Ernest C. Twisselmann 1955-7-22 2274 San Luis Obispo La Panza Range. Upper Navajo Canyon 807 Comment
  CAS-BOT-BC255275  Chorizanthe staticoides Ernest C. Twisselmann 1956-6-13 2930 San Luis Obispo Northeast spur of Black Mountain, La Panza Range 541 Comment
  CAS-BOT-BC255276  Chorizanthe staticoides Ernest C. Twisselmann 1956-6-13 2930 San Luis Obispo Northeast spur of Black Mountain, La Panza Range 541 Comment
  CAS-BOT-BC255380  Chorizanthe xanti var. xanti Ernest C. Twisselmann 1957-5-3 3463 San Luis Obispo Caliente Range, Padrone Spring Canyon 762 Comment
  CAS-BOT-BC255382  Chorizanthe xanti var. xanti Ernest C. Twisselmann 1954-6-5 1327 San Luis Obispo Foot of Crocker Grade, south-eastern San Luis Obispo, Temblor Range and the Western San Joaquin Valley 685 Comment
  CAS-BOT-BC255383  Chorizanthe xanti var. xanti Ernest C. Twisselmann 1954-6-5 1338 San Luis Obispo Panorama Hills, south-eastern San Luis Obispo, Temblor Range and the Western San Joaquin Valley 670 Comment
  CAS-BOT-BC255384  Chorizanthe xanti var. xanti Ernest C. Twisselmann 1954-6-5 1338 San Luis Obispo Panorama Hills, south-eastern San Luis Obispo, Temblor Range and the Western San Joaquin Valley 670 Comment
  CAS-BOT-BC255557  Poa annua Ernest C. Twisselmann 1955-4-14 1837 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Henry Twisselmann Ranch, eastern county 563 Comment
  CAS-BOT-BC255952  Poa pratensis Ernest C. Twisselmann 1956-4-18 2646 San Luis Obispo Chris Twisselmann Ranch, eastern San Luis Obispo County, Temblor Range and the Western San Joaquin Valley 670 Comment
  CAS-BOT-BC256950  Chorizanthe membranacea Ernest C. Twisselmann 1954-5-11 1210 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Hills at Summit of Palo Prieta Pass 640 Comment
  CAS-BOT-BC256951  Chorizanthe membranacea Ernest C. Twisselmann 1952-5-12 140 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Hills at the head of Palo Prieta Canyon, (1/2 mile east of Twisselmann Ranch cattleguard) 624 Comment
  CAS-BOT-BC257902  Eriogonum parvifolium Ernest C. Twisselmann 1956-12-16 3262 San Luis Obispo Santa Lucia Range: Old Creek Canyon 381 Comment
  CAS-BOT-BC259844  Nassella cernua Ernest C. Twisselmann 1954-4-29 1118 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Summit of Palo Prieta Pass 655 Comment
  CAS-BOT-BC259846  Nassella cernua Ernest C. Twisselmann 1964-5-2 9267 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta Canyon 670 Comment
  CAS-BOT-BC259847  Nassella cernua Ernest C. Twisselmann 1952-5-4 103 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Twisselman Ranch: 7 miles S of Cholame, E slope of Spring Lake Canyon Comment
  CAS-BOT-BC259849  Nassella cernua Ernest C. Twisselmann 1956-5-28 2860 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Summit of Palo Prieta Canyon 609 Comment
  CAS-BOT-BC259850  Nassella cernua Ernest C. Twisselmann 1956-6-7 2896 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Choice Valley Hills, 0.5 mile W of Henry Twisselman Ranch 609 Comment
  CAS-BOT-BC261149  Eriogonum gracillimum Ernest C. Twisselmann 1954-6-5 1332 San Luis Obispo Panorama Hills, Southeastern San Luis Obispo County, Temblor Range and the Western San Joaquin Valley 670 Comment
  CAS-BOT-BC261150  Eriogonum gracillimum Ernest C. Twisselmann 1954-6-5 1333 San Luis Obispo Panorama Hills, Southeastern San Luis Obispo County, Temblor Range and the Western San Joaquin Valley 670 Comment
  CAS-BOT-BC261152  Eriogonum gracillimum Ernest C. Twisselmann 1954-6-12 1367 San Luis Obispo Panorama Hills, Southeastern San Luis Obispo County, Temblor Range and the Western San Joaquin Valley 640 Comment
  CAS-BOT-BC261428  Eriogonum nudum var. indictum Ernest C. Twisselmann 1954-9-29 1607 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta [Prieto] Canyon: 4 miles south of Cholame 487 Comment
  CAS-BOT-BC261429  Eriogonum nudum var. indictum Ernest C. Twisselmann 1954-9-29 1607 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta [Prieto] Canyon: 4 miles south of Cholame 487 Comment
  CAS-BOT-BC261431  Eriogonum nudum var. indictum Ernest C. Twisselmann 1968-10-17 15018 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta [Prieto] Canyon 548 Comment
  CAS-BOT-BC261434  Eriogonum nudum var. indictum Ernest C. Twisselmann 1954-9-10 1572 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Cottonwood Pass: west slope, 1/4 mile from summit 579 Comment
  CAS-BOT-BC263434  Eriogonum temblorense Ernest C. Twisselmann 1965-9-15 11564 San Luis Obispo Summit of Antelope Grade on Highway 46, Temblor Range and the Western San Joaquin Valley 518 Comment
  CAS-BOT-BC264908  Eriogonum viridescens Ernest C. Twisselmann 1954-6-5 1334 San Luis Obispo Canyon of West Slope of Crocker Pass, South-eastern San Luis Obispo County, Temblor Range and the Western San Joaquin Valley 731 Comment
  CAS-BOT-BC265743  Pennisetum villosum Ernest C. Twisselmann 1958-10-6 4871 San Luis Obispo Chorro Street near Marsh Street, San Luis Obispo 74 Comment
  CAS-BOT-BC265804  Phalaris aquatica Ernest C. Twisselmann 1963-6-9 8390 San Luis Obispo Hills at the summit of Palo Prieta Canyon, the Temblor Range and the Western San Joaquin Valley 678 Comment
  CAS-BOT-BC266834  Eriogonum ordii Ernest C. Twisselmann 1958-5-12 4465 San Luis Obispo Southern Temblor Mountains just east of Panorama Hills, Temblor Range and the Western San Joaquin Valley 792 Comment
  CAS-BOT-BC266835  Eriogonum ordii Ernest C. Twisselmann 1958-5-12 4465 San Luis Obispo Southern Temblor Mountains just east of Panorama Hills, Temblor Range and the Western San Joaquin Valley 792 Comment
  CAS-BOT-BC268361  Eriogonum roseum Ernest C. Twisselmann 1953-9-18 770 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch: 8 miles south of Cholame Comment
  CAS-BOT-BC268367  Eriogonum roseum Ernest C. Twisselmann 1954-7-24 1467 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta Canyon: 4 miles south of Cholame 563 Comment
  CAS-BOT-BC268368  Eriogonum roseum Ernest C. Twisselmann 1954-7-24 1467 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta Canyon: 4 miles south of Cholame 563 Comment
  CAS-BOT-BC268369  Eriogonum roseum Ernest C. Twisselmann 1954-10-14 1628 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Mariannas Summit, Temblor Mountains 1005 Comment
  CAS-BOT-BC268370  Eriogonum roseum Ernest C. Twisselmann 1954-10-14 1628 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Mariannas Summit, Temblor Mountains 1005 Comment
  CAS-BOT-BC268376  Eriogonum roseum Ernest C. Twisselmann 1953-6-6 158 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Summit of the central Temblor Mountains, near the power line Comment
  CAS-BOT-BC268378  Eriogonum roseum Ernest C. Twisselmann 1971-11-4 18512 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta Canyon 518 Comment
  CAS-BOT-BC268380  Eriogonum roseum Ernest C. Twisselmann 1967-8-11 13550 San Luis Obispo Mountain Springs Canyon, 2 miles west of Paso Robles 548 Comment
  CAS-BOT-BC268883  Eriogonum nudum var. auriculatum Ernest C. Twisselmann 1952-8-3 159 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Hills at the head of Palo Prieta Creek, 8 miles south of Cholame 594 Comment
  CAS-BOT-BC269173  Lolium temulentum Ernest C. Twisselmann 1952-5-25 75 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Head of Choice Valley (Wolf Place, near the Hilbrich mail box) Comment
  CAS-BOT-BC269464  Melica californica Ernest C. Twisselmann 1954-4-30 1127 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta Hills, head of Palo Prieta Creek Comment
  CAS-BOT-BC269465  Melica californica Ernest C. Twisselmann 1954-4-30 1127 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta Hills, head of Palo Prieta Creek 609 Comment
  CAS-BOT-BC269467  Melica californica Ernest C. Twisselmann 1953-4-18 55 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch, 7 milesl south of Cholame, (field above the cattle guard at the head of Palo Prieta Canyon) 579 Comment
  CAS-BOT-BC271398  Hordeum vulgare Ernest C. Twisselmann 1970-5-17 16601 San Luis Obispo Goldtree Hills, eastern San Luis Obispo county 548 Comment
  CAS-BOT-BC271399  Hordeum vulgare Ernest C. Twisselmann 1970-5-17 16601 San Luis Obispo Goldtree Hills, eastern San Luis Obispo county 548 Comment
  CAS-BOT-BC271984  Eriogonum nudum var. pubiflorum Ernest C. Twisselmann 1954-11-7 1653 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Hills at Summit of Palo Prieta Creek, 7 miles south of Cholame 548 Comment
  CAS-BOT-BC271985  Eriogonum nudum var. pubiflorum Ernest C. Twisselmann 1952-8-3 159 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Hills at head of Palo Prieta Creek, 8 miles south of Cholame 594 Comment
  CAS-BOT-BC271986  Eriogonum nudum var. pubiflorum Ernest C. Twisselmann 1955-7-22 2278 San Luis Obispo La Panza Range. Near head of Huer Huero [Huerhuero] Creek, Las Pilitas district 594 Comment
  CAS-BOT-BC271991  Eriogonum nudum var. pubiflorum Ernest C. Twisselmann 1954-7-18 1439 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Hills at Summit of Palo Prieta Canyon, 7 miles south of Cholame 594 Comment
  CAS-BOT-BC272179  Leymus triticoides Ernest C. Twisselmann 1954-6-12 1362 San Luis Obispo Elhorn Plain, Temblor Range and the Western San Joaquin Valley Comment
  CAS-BOT-BC272183  Leymus triticoides Ernest C. Twisselmann 1963-12-15 9210 San Luis Obispo Choice Valley, 1 mile east of the summit, Temblor Range and the Western San Joaquin Valley 609 Comment
  CAS-BOT-BC272336  Pappostipa speciosa Ernest C. Twisselmann 1959-4-24 5083 San Luis Obispo Kelly's Canyon, Red Hills, Temblor Range and the Western San Joaquin Valley 502 Comment
  CAS-BOT-BC272337  Pappostipa speciosa Ernest C. Twisselmann 1959-4-24 5083 San Luis Obispo Kelly's Canyon, Red Hills, Temblor Range and the Western San Joaquin Valley 502 Comment
  CAS-BOT-BC272376  Leptochloa fusca subsp. uninervia Ernest C. Twisselmann 1969-11-28 16353 San Luis Obispo Loffaly Spring, hills at the head of Palo Prieta Canyon, Temblor Range and the Western San Joaquin Valley 640 Comment
  CAS-BOT-BC272377  Leptochloa fusca subsp. uninervia Ernest C. Twisselmann 1969-11-28 16353 San Luis Obispo Loffaly Spring, hills at the head of Palo Prieta Canyon, Temblor Range and the Western San Joaquin Valley 640 Comment
  CAS-BOT-BC272420  Leptochloa fusca subsp. uninervia Ernest C. Twisselmann 1963-12-10 9204 San Luis Obispo Highway U.S. 466 7 miles east of Paso Robles, Estrella Plains 243 Comment
  CAS-BOT-BC272421  Leptochloa fusca subsp. uninervia Ernest C. Twisselmann 1963-12-10 9204 San Luis Obispo Highway U.S. 466 7 miles east of Paso Robles, Estrella Plains 243 Comment
  CAS-BOT-BC272424  Leptochloa fusca subsp. uninervia Ernest C. Twisselmann 1955-7-19 2267 San Luis Obispo Stony Bowman Residence, near the Choice Valley School, eastern San Luis Obispo County, Temblor Range and the Western San Joaquin Valley 548 Comment
  CAS-BOT-BC273093  Ambrosia salsola Ernest C. Twisselmann 1955-6-7 2120 San Luis Obispo San Emigdio Range. Cuyama Valley: Ventura Highway 1 mile north of Santa Barbara County Line 739 Comment
  CAS-BOT-BC273263  Calendula officinalis Ernest C. Twisselmann 1959-5-23 5260 San Luis Obispo Mouth of Toro Creek near the Cayucos Cemetery 9 Comment
  CAS-BOT-BC273872  Lamarckia aurea Ernest C. Twisselmann 1961-5-5 6124 San Luis Obispo Pulling Veterinary Hospital, 1 mile north of Atascaderon [Atascadero] on Highway 101 274 Comment
  CAS-BOT-BC274884  Muhlenbergia rigens Ernest C. Twisselmann 1953-9-23 794 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Head of Palo Prieta Creek, 7 miles S of Cholame, Twisselman Ranch 624 Comment
  CAS-BOT-BC276980  Centaurea cyanus Ernest C. Twisselmann 1955-6-16 2157 San Luis Obispo La Panza Range. Queen Bee Range Improvement Area 685 Comment
  CAS-BOT-BC276982  Centaurea cyanus Ernest C. Twisselmann 1952-5-24 615 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Twisselmann Ranch Comment
  CAS-BOT-BC277223  Centaurea solstitialis Ernest C. Twisselmann 1958-9-20 4801 San Luis Obispo Highway U.S: 466, 1 mile east of Shandon 304 Comment
  CAS-BOT-BC277473  Chaenactis glabriuscula var. glabriuscula Ernest C. Twisselmann 1954-4-12 1041 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta Canyon: 6 miles south of Cholame 548 Comment
  CAS-BOT-BC277605  Chaenactis glabriuscula var. lanosa Ernest C. Twisselmann 1971-4-10 17573 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Goldtree Hills, southwest of Grants Lake 609 Comment
  CAS-BOT-BC277606  Chaenactis glabriuscula var. lanosa Ernest C. Twisselmann 1971-4-10 17573 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Goldtree Hills, southwest of Grants Lake 609 Comment
  CAS-BOT-BC277607  Chaenactis glabriuscula var. lanosa Ernest C. Twisselmann 1955-4-9 1827 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Red Hills, 7.6 miles southeast of Shandon 420 Comment
  CAS-BOT-BC277608  Chaenactis glabriuscula var. lanosa Ernest C. Twisselmann 1955-4-9 1827 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Red Hills, 7.6 miles southeast of Shandon 420 Comment
  CAS-BOT-BC279311  Centromadia pungens subsp. pungens Ernest C. Twisselmann 1969-8-23 15929 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Loffaly Spring, hills at the head of Palo Prieta Canyon 655 Comment
  CAS-BOT-BC279312  Centromadia pungens subsp. pungens Ernest C. Twisselmann 1969-11-28 16355 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Loffaly Spring, hills at the head of Palo Prieta Canyon 640 Comment
  CAS-BOT-BC279313  Centromadia pungens subsp. pungens Ernest C. Twisselmann 1954-8-19 1514 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Summit of Palo Prieta Canyon, 7 miles south of Cholame 624 Comment
  CAS-BOT-BC279314  Centromadia pungens subsp. pungens Ernest C. Twisselmann 1954-8-19 1514 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Summit of Palo Prieta Canyon, 7 miles south of Cholame 624 Comment
  CAS-BOT-BC279616  Chaenactis stevioides Ernest C. Twisselmann 1954-4-20 1094 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Summit of Palo Prieta Pass, 7 miles south of Cholame 609 Comment
  CAS-BOT-BC279619  Chaenactis stevioides Ernest C. Twisselmann 1965-4-12 10500 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Head of Palo Prieta Canyon 670 Comment
  CAS-BOT-BC279620  Chaenactis stevioides Ernest C. Twisselmann 1965-4-12 10500 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Head of Palo Prieta Canyon 670 Comment
  CAS-BOT-BC279621  Chaenactis stevioides Ernest C. Twisselmann 1969-5-7 15225 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta Canyon 563 Comment
  CAS-BOT-BC279622  Chaenactis stevioides Ernest C. Twisselmann 1969-5-7 15225 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta Canyon 563 Comment
  CAS-BOT-BC280123  Cirsium occidentale var. venustum Ernest C. Twisselmann 1956-5-28 2863 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Summit of Palo Prieta Canyon 640 Comment
  CAS-BOT-BC281665  Melica imperfecta Ernest C. Twisselmann 1957-4-28 3417 San Luis Obispo La Panza Range. Martinez Canyon 673 Comment
  CAS-BOT-BC281667  Melica imperfecta Ernest C. Twisselmann 1969-4-24 15208 San Luis Obispo Santa Ysabel Ranch, E side of the Salinas River 5 miles S of Paso Robles 228 Comment
  CAS-BOT-BC281668  Melica imperfecta Ernest C. Twisselmann 1969-4-24 15208 San Luis Obispo Santa Ysabel Ranch, E side of the Salinas River 5 miles S of Paso Robles 228 Comment
  CAS-BOT-BC283118  Schedonorus arundinaceus Ernest C. Twisselmann 1969-4-24 15177 San Luis Obispo Santa Ysabel Ranch, east side of the Salinas River 5 miles south of Paso Robles 182 Comment
  CAS-BOT-BC283119  Schedonorus arundinaceus Ernest C. Twisselmann 1963-6-2 8288 San Luis Obispo Grants Lake, Temblor Range and the Western San Joaquin Valley 579 Comment
  CAS-BOT-BC283238  Lolium multiflorum Ernest C. Twisselmann 1955-5-27 2035 San Luis Obispo La Panza Range. Upper Navajo Canyon 762 Comment
  CAS-BOT-BC283239  Lolium multiflorum Ernest C. Twisselmann 1955-5-27 2035 San Luis Obispo La Panza Range. Upper Navajo Canyon 762 Comment
  CAS-BOT-BC283241  Lolium multiflorum Ernest C. Twisselmann 1952-6-1 76 San Luis Obispo The Temblor Range and the Western San Joaquin Valley. Mariannas ranch house, 6 miles NW of Simmler Comment
  CAS-BOT-BC283912  Gastridium ventricosum Ernest C. Twisselmann 1956-6-13 2936 San Luis Obispo La Panza Range. NE spur of Black Mountain, around a campsite 536 Comment
  CAS-BOT-BC283913  Gastridium ventricosum Ernest C. Twisselmann 1955-5-27 2041 San Luis Obispo La Panza Range. Cammatta Road, 3/8 mile E of Honey Bee Mine, upper Cammatta Canyon 640 Comment
  CAS-BOT-BC283914  Gastridium ventricosum Ernest C. Twisselmann 1955-5-27 2041 San Luis Obispo La Panza Range. Cammatta Road, 3/8 mile E of Honey Bee Mine, upper Cammatta Canyon 640 Comment
  CAS-BOT-BC284153  Eragrostis pectinacea var. pectinacea Ernest C. Twisselmann 1960-10-12 6018 San Luis Obispo Raymond Twisselmann residence, Shandon 329 Comment
  CAS-BOT-BC284155  Eragrostis pectinacea var. pectinacea Ernest C. Twisselmann 1968-8-23 14909 San Luis Obispo Estrella River 2.5 miles north of River Grove 243 Comment
  CAS-BOT-BC284156  Eragrostis pectinacea var. pectinacea Ernest C. Twisselmann 1967-9-8 13672 San Luis Obispo T. Franklin Twisselmann residnece, Choice Valley, Temblor Range and teh western San Joaquin Valley 640 Comment
  CAS-BOT-BC284157  Eragrostis pectinacea var. pectinacea Ernest C. Twisselmann 1967-9-8 13672 San Luis Obispo T. Franklin Twisselmann residnece, Choice Valley, Temblor Range and teh western San Joaquin Valley 640 Comment
  CAS-BOT-BC284261  Chaenactis glabriuscula var. megacephala Ernest C. Twisselmann 1954-4-11 1041 San Luis Obispo Palo Prieta Canyon 6 miles osuth of Cholame, Temblor Range and the Western San Joaquin Valley 548 Comment
  CAS-BOT-BC285132  Hordeum marinum subsp. gussoneanum Ernest C. Twisselmann 1954-5-12 1222 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Hills at Palo Prieta Summit, 7 miles south of Cholame 670 Comment
  CAS-BOT-BC285134  Hordeum marinum subsp. gussoneanum Ernest C. Twisselmann 1954-4-29 1125 San Luis Obispo Temblor Range and the Western San Joaquin Valley. San Andreas Fault, near Chris Twisselmann Ranch 685 Comment
  CAS-BOT-BC285136  Hordeum marinum subsp. gussoneanum Ernest C. Twisselmann 1952-5-6 68 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Twisselmann (Owens) Lake, San Andreas Fault 6 miles south of Cholame Comment
  CAS-BOT-BC285230  Cichorium intybus Ernest C. Twisselmann 1955-9-9 2373 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Choice Valley Road, 1 1/2 miles south of Palo Prieta Summit 594 Comment
  CAS-BOT-BC285463  Cirsium occidentale var. californicum Ernest C. Twisselmann 1954-5-22 1279 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch: Eastern San Luis Obispo County 670 Comment
  CAS-BOT-BC285850  Cirsium vulgare Ernest C. Twisselmann 1970-9-17 17504 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Loffaly Spring, hills at the head of Palo Prieta Canyon 685 Comment
  CAS-BOT-BC285987  Conyza bonariensis Ernest C. Twisselmann 1966-9-20 12803 San Luis Obispo Temblor Range and the Western San Joaquin Valley. T. Franklin Twisselmann Ranch, Choice Valley 640 Comment
  CAS-BOT-BC285988  Conyza bonariensis Ernest C. Twisselmann 1967-9-9 13688 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Ortega Spring, Palo Prieta Canyon 598 Comment
  CAS-BOT-BC285989  Conyza bonariensis Ernest C. Twisselmann 1967-9-9 13688 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Ortega Spring, Palo Prieta Canyon 598 Comment
  CAS-BOT-BC286197  Conyza canadensis Ernest C. Twisselmann 1968-10-21 15045 San Luis Obispo Estrella Road, 1.5 mile south of Highway 46 198 Comment
  CAS-BOT-BC286198  Conyza canadensis Ernest C. Twisselmann 1968-10-21 15045 San Luis Obispo Estrella Road, 1.5 mile south of Highway 46 198 Comment
  CAS-BOT-BC287051  Coreopsis calliopsidea Ernest C. Twisselmann 1954-4-17 1077 San Luis Obispo Temblor Range and the Western San Joaquin Valley. [Sandiago] Joe's Spring, 8 miles E of Simmler 762 Comment
  CAS-BOT-BC287052  Coreopsis calliopsidea Ernest C. Twisselmann 1954-4-17 1077 San Luis Obispo Temblor Range and the Western San Joaquin Valley. [Sandiago] Joe's Spring, 8 miles E of Simmler 762 Comment
  CAS-BOT-BC287054  Coreopsis calliopsidea Ernest C. Twisselmann 1962-3-18 6704 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Hills at the summit of Palo Prieta Canyon 655 Comment
  CAS-BOT-BC287055  Coreopsis calliopsidea Ernest C. Twisselmann 1955-3-22 1758 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Low Ridge at E edge of Soda Lake 594 Comment
  CAS-BOT-BC287056  Coreopsis calliopsidea Ernest C. Twisselmann 1955-3-22 1758 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Low Ridge at E edge of Soda Lake 594 Comment
  CAS-BOT-BC287126  Coreopsis douglasii Ernest C. Twisselmann 1955-5-27 2050 San Luis Obispo La Panza Range. Camatta Canyon near Bethel Ranch 533 Comment
  CAS-BOT-BC287127  Coreopsis douglasii Ernest C. Twisselmann 1955-5-27 2050 San Luis Obispo La Panza Range. Camatta Canyon near Bethel Ranch 533 Comment
  CAS-BOT-BC28752  Achillea millefolium Ernest C. Twisselmann 1952-5-9 560 San Luis Obispo Temblor Range. Twisselmann Ranch: canyon below the San Andreas fault Comment
  CAS-BOT-BC287796  Coreopsis bigelovii Ernest C. Twisselmann 1955-3-26 1762 San Luis Obispo Temblor Range and the Western San Joaquin Valley. 10 miles S of Shandon 426 Comment
  CAS-BOT-BC287797  Coreopsis bigelovii Ernest C. Twisselmann 1955-3-26 1762 San Luis Obispo Temblor Range and the Western San Joaquin Valley, 10 miles S of Shandon 426 Comment
  CAS-BOT-BC288657  Centromadia fitchii Ernest C. Twisselmann 1953-9-12 764 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Carisa Plains: 0.25 mile N of junction, McKittrick Highway and Bitterwater Rd Comment
  CAS-BOT-BC288658  Centromadia fitchii Ernest C. Twisselmann 1954-9-26 1580 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Soda Lake Rd, 2 miles S of Simmler, Carissa Plains 609 Comment
  CAS-BOT-BC288659  Centromadia fitchii Ernest C. Twisselmann 1954-9-26 1580 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Soda Lake Rd, 2 miles S of Simmler, Carissa Plains 609 Comment
  CAS-BOT-BC288666  Centromadia fitchii Ernest C. Twisselmann 1962-10-9 7910 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Bitterwater Rd, 1/8 mile N of Highway 178, on the NW end of Carissa Plains 632 Comment
  CAS-BOT-BC288667  Centromadia fitchii Ernest C. Twisselmann 1962-10-9 7910 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Bitterwater Rd, 1/8 mile N of Highway 178, on the NW end of Carissa Plains 632 Comment
  CAS-BOT-BC289101  Hordeum depressum Ernest C. Twisselmann 1955-5-18 1995 San Luis Obispo San Juan River Valley, 9.1 miles south of Shandon, Temblor Range and the Western San Joaquin Valley 432 Comment
  CAS-BOT-BC289391  Hordeum murinum subsp. glaucum Ernest C. Twisselmann 1955-4-26 1901 San Luis Obispo Painted Rock, Temblor Range and the Western San Joaquin Valley 731 Comment
  CAS-BOT-BC289454  Hordeum murinum subsp. leporinum Ernest C. Twisselmann 1955-4-26 1901 San Luis Obispo Painted Rock, Carrisa Plains, the Temblor Range and the Western San Joaquin Valley 731 Comment
  CAS-BOT-BC289520  Hordeum brachyantherum subsp. californicum Ernest C. Twisselmann 1955-6-16 2170 San Luis Obispo Upper Buckhorn Canyon, La Panza Range 609 Comment
  CAS-BOT-BC289521  Hordeum brachyantherum subsp. californicum Ernest C. Twisselmann 1955-6-16 2170 San Luis Obispo Upper Buckhorn Canyon, La Panza Range 609 Comment
  CAS-BOT-BC292061  Deinandra pentactis Ernest C. Twisselmann 1962-10-10 7916 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Carrisa Plains School 624 Comment
  CAS-BOT-BC292062  Deinandra pentactis Ernest C. Twisselmann 1954-6-5 1337 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Carrisa Plains: Santa Margarita Highway, 6 miles west of Simmler 609 Comment
  CAS-BOT-BC292063  Deinandra pentactis Ernest C. Twisselmann 1955-7-22 2275 San Luis Obispo La Panza Range. Vaquero Water Hills 512 Comment
  CAS-BOT-BC292079  Deinandra pentactis Ernest C. Twisselmann 1954-6-5 1337 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Carrisa Plains: Santa Margarita Highway, 6 miles west of Simmler 609 Comment
  CAS-BOT-BC292080  Deinandra pentactis Ernest C. Twisselmann 1962-10-10 7916 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Carrisa Plains School 624 Comment
  CAS-BOT-BC292326  Ericameria linearifolia Ernest C. Twisselmann 1954-3-4 850 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta Canyon: Eastern part of county 487 Comment
  CAS-BOT-BC292327  Ericameria linearifolia Ernest C. Twisselmann 1954-3-4 850 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta Canyon: Eastern part of county 487 Comment
  CAS-BOT-BC29236  Acourtia microcephala E. C. Twisselmann 1956-7-26 3103 San Luis Obispo La Panza Range, Calf Canyon Road, 0.25 mile east of Andrews Ranch 365 Comment
  CAS-BOT-BC292909  Ericameria ericoides Ernest C. Twisselmann 1959-11-2 5907 San Luis Obispo Oceano Dunes 1 mile sout of Pismo Beach 4 Comment
  CAS-BOT-BC293648  Erigeron blochmaniae Ernest C. Twisselmann 1955-10-1 2424 San Luis Obispo Sand dunes at southwest end of Morro Bay 6 Comment
  CAS-BOT-BC293649  Erigeron blochmaniae Ernest C. Twisselmann 1955-10-1 2424 San Luis Obispo Sand dunes at southwest end of Morro Bay 6 Comment
  CAS-BOT-BC295072  Erigeron glaucus Ernest C. Twisselmann 1959-5-6 5198 San Luis Obispo Santa Lucia Range: Highway 1 just north of Cambria 6 Comment
  CAS-BOT-BC29682  Agoseris grandiflora var. grandiflora Ernest C. Twisselmann 1954-5-23 1288 San Luis Obispo Gillis Canyon Summit, 3/4 mile west of Eben McMillan Ranch Comment
  CAS-BOT-BC29736  Achyrachaena mollis Ernest C. Twisselmann 1954-4-20 1097 San Luis Obispo Summit of palo Prieta Pass, 0.25 miles south of O'Brien Lake 670 Comment
  CAS-BOT-BC29909  Acroptilon repens Ernest C. Twisselmann 1968-12-1 15059 San Luis Obispo Meinecke Place, 5 miles north of Annette on Davies Road 533 Comment
  CAS-BOT-BC299960  Deinandra kelloggii Ernest C. Twisselmann 1956-6-7 2895 San Luis Obispo Mouth of Wilkinson Canyon, near the San Juan Ranch, Temblor Range and teh Western San Joaquin Valley 472 Comment
  CAS-BOT-BC299961  Deinandra kelloggii Ernest C. Twisselmann 1954-5-11 1213 San Luis Obispo Palo Prieta Canyon 3 miles south of Cholame, Temblor Range and the Western San Joaquin Valley 518 Comment
  CAS-BOT-BC299962  Deinandra kelloggii Ernest C. Twisselmann 1954-5-11 1213 San Luis Obispo Palo Prieta Canyon 3 miles south of Cholame, Temblor Range and the Western San Joaquin Valley 518 Comment
  CAS-BOT-BC299963  Deinandra kelloggii Ernest C. Twisselmann 1955-7-22 2275 San Luis Obispo Vaquero Water Hills, La Panza Range 512 Comment
  CAS-BOT-BC29997  Brassica napus Ernest C. Twisselmann 1959-5-23 5277 San Luis Obispo Point Buchon. 10 Comment
  CAS-BOT-BC29998  Brassica napus Ernest C. Twisselmann 1956-4-30 2727 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch, eastern SLO County. 670 Comment
  CAS-BOT-BC300056  Erigeron philadelphicus Ernest C. Twisselmann 1972-4-1 18597 San Luis Obispo Canyon of Arroyo Grande Creek, ca. 4.5 miles east of Lopez Lake 243 Comment
  CAS-BOT-BC301828  Eriophyllum multicaule Ernest C. Twisselmann 1957-5-3 3478 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Carrisa Plains: flood wash 9.9 miles south of Soda Lake 640 Comment
  CAS-BOT-BC301829  Eriophyllum multicaule Ernest C. Twisselmann 1957-5-3 3478 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Carrisa Plains: flood wash 9.9 miles south of Soda Lake 640 Comment
  CAS-BOT-BC301906  Eriophyllum pringlei Ernest C. Twisselmann 1955-4-9 1824 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Red Hills, 7.6 miles southeast of Shandon 426 Comment
  CAS-BOT-BC302368  Hazardia squarrosa var. squarrosa Ernest C. Twisselmann 1955-9-1 2361 San Luis Obispo Old Cuesta Grade, Santa Lucia Mountains 259 Comment
  CAS-BOT-BC302369  Hazardia squarrosa var. squarrosa Ernest C. Twisselmann 1970-10-31 17566 San Luis Obispo Peachey [Peachy] Canyon, 4.2 miles west of Paso Robles 365 Comment
  CAS-BOT-BC302410  Hazardia stenolepis Ernest C. Twisselmann 1954-10-14 1620 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Mariannas Summit, Temblor Mountains 1066 Comment
  CAS-BOT-BC302514  Gnaphalium palustre Ernest C. Twisselmann 1954-5-15 1239 San Luis Obispo Temblor Range and the Western San Joaquin Vallley. Vernal Pool at Palo Prieta Summit, 8 miles south of Cholame 667 Comment
  CAS-BOT-BC302558  Gnaphalium palustre Ernest C. Twisselmann 1955-6-16 2168 San Luis Obispo La Panza Range. Martinez Canyon, near Queen Bee Mine 694 Comment
  CAS-BOT-BC304101  Eriophyllum confertiflorum Ernest C. Twisselmann 1955-5-27 2032 San Luis Obispo La Panza Range. Upper Navajo Canyon 762 Comment
  CAS-BOT-BC304110  Eriophyllum confertiflorum Ernest C. Twisselmann 1954-5-1 1138 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Lower Associated Canyon: 7 miles W of Simmler 731 Comment
  CAS-BOT-BC304112  Eriophyllum confertiflorum Ernest C. Twisselmann 1955-5-27 2032 San Luis Obispo La Panza Range. Upper Navajo Canyon 762 Comment
  CAS-BOT-BC304665  Gutierrezia californica Ernest C. Twisselmann 1957-11-7 4118 A San Luis Obispo Temblor Range and the Western San Joaquin Valley. Southern Temblor Mountains: summit of Bitterwater Canyon 731 Comment
  CAS-BOT-BC304667  Gutierrezia californica Ernest C. Twisselmann 1957-11-7 4117 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Elkhorn Plain, southeastern San Luis Obispo County 731 Comment
  CAS-BOT-BC304670  Gutierrezia californica Ernest C. Twisselmann 1957-11-7 4118 A San Luis Obispo Temblor Range and the Western San Joaquin Valley. Southern Temblor Mountains: summit of Bitterwater Canyon 731 Comment
  CAS-BOT-BC304674  Gutierrezia californica Ernest C. Twisselmann 1955-9-1 2366 San Luis Obispo Temblor Range and the Western San Joaquin Valley. San Juan River Valley, 8.6 miles south of Shandon 441 Comment
  CAS-BOT-BC305079  Grindelia hirsutula Ernest C. Twisselmann 1965-11-2 11696 San Luis Obispo Arroyo de la Cruz (between Highway 1 and the ocean) 15 Comment
  CAS-BOT-BC305081  Grindelia hirsutula Ernest C. Twisselmann 1956-11-20 3257 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Highway U. S. 466 at the Cholame Creek Bridge 457 Comment
  CAS-BOT-BC305084  Grindelia hirsutula Ernest C. Twisselmann 1954-9-10 1566 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Cottonwood Pass: 1/4 mile west of Kern County Line 579 Comment
  CAS-BOT-BC305092  Grindelia hirsutula Ernest C. Twisselmann 1968-9-16 14930 San Luis Obispo Union District: 2.5 miles east of Huero Huero [Huerhuero] Creek on old Highway 41 243 Comment
  CAS-BOT-BC305105  Grindelia hirsutula Ernest C. Twisselmann 1959-5-23 5259 San Luis Obispo Mouth of Toro Creek near the Cayucos Cemetery 15 Comment
  CAS-BOT-BC305750  Helianthus gracilentus Ernest C. Twisselmann 1972-4-1 18594 San Luis Obispo La Panza Range: west slope of Pozo Grade 792 Comment
  CAS-BOT-BC305751  Helianthus gracilentus Ernest C. Twisselmann 1972-4-1 18594 San Luis Obispo La Panza Range: west slope of Pozo Grade 792 Comment
  CAS-BOT-BC305752  Helianthus gracilentus Ernest C. Twisselmann 1955-6-16 2156 San Luis Obispo La Panza Range. Queen Bee Canyon near Queen Bee Mine 624 Comment
  CAS-BOT-BC307273  Hazardia squarrosa var. grindelioides Ernest C. Twisselmann 1956-11-7 3232 San Luis Obispo Cypress Mountain on the trail to Cypress Swamp, Santa Lucia Range 548 Comment
  CAS-BOT-BC307274  Hazardia squarrosa var. grindelioides Ernest C. Twisselmann 1970-10-31 17566 San Luis Obispo Peachy Canyon, 4.2 miles west of Paso Robles 365 Comment
  CAS-BOT-BC307433  Gnaphalium palustre Ernest C. Twisselmann 1955-6-16 2168 San Luis Obispo Martinez Canyon near Queen Bee Mine, La Panza Range 694 Comment
  CAS-BOT-BC307436  Gnaphalium palustre Ernest C. Twisselmann 1953-4-26 551 San Luis Obispo Grants Lake, eastern San Luis Obispo County, Temblor Range and the Western San Joaquin Valley 576 Comment
  CAS-BOT-BC308741  Erigeron foliosus var. foliosus Ernest C. Twisselmann 1954-6-17 1376 San Luis Obispo Palo Prieta Canyon 4 miles south of Cholame, Temblor Range and the Western San Joaquin Valley 487 Comment
  CAS-BOT-BC309515  Helenium puberulum Ernest C. Twisselmann 1955-9-1 2358 San Luis Obispo Old Cuesta Grade, Santa Lucia Mountains 289 Comment
  CAS-BOT-BC309516  Helenium puberulum Ernest C. Twisselmann 1955-9-1 2358 San Luis Obispo Old Cuesta Grade, Santa Lucia Mountains 289 Comment
  CAS-BOT-BC309856  Hemizonia congesta subsp. luzulifolia Ernest C. Twisselmann 1956-9-27 3213 San Luis Obispo Summit of Atascadero-Morro Bay Highway 435 Comment
  CAS-BOT-BC309881  Hemizonia congesta subsp. luzulifolia Ernest C. Twisselmann 1956-9-27 3213 San Luis Obispo Summit of Atascadero-Morro Bay Highway 435 Comment
  CAS-BOT-BC310170  Hesperevax caulescens Ernest C. Twisselmann 1963-5-4 8123 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Cholame Valley: junction of Highways 41 & 466 365 Comment
  CAS-BOT-BC31044  Bolboschoenus maritimus Ernest C. Twisselmann 1952-6-21 106 San Luis Obispo O'Brien Lake, Twisselmann Ranch. Comment
  CAS-BOT-BC310713  Euthamia occidentalis Ernest C. Twisselmann 1970-11-3 17567 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Old Highway 41, 1 mile east of Shandon (Don McMillan Ranch) 274 Comment
  CAS-BOT-BC310947  Heterotheca grandiflora Ernest C. Twisselmann 1955-9-1 2371 San Luis Obispo Temblor Range and the Western San Joaquin Valley. San Juan River Valley, 10.6 miles south of Shandon 426 Comment
  CAS-BOT-BC310948  Heterotheca grandiflora Ernest C. Twisselmann 1968-8-23 14908 San Luis Obispo Estrella River 2.5 miles north of River Grove 243 Comment
  CAS-BOT-BC311303  Heterotheca sessiliflora subsp. echioides Ernest C. Twisselmann 1954-9-1 1537 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Choice Valley, 1/2 mile northwest of Choice Valley School 601 Comment
  CAS-BOT-BC311304  Heterotheca sessiliflora subsp. echioides Ernest C. Twisselmann 1954-9-1 1537 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Choice Valley, 1/2 mile northwest of Choice Valley School 601 Comment
  CAS-BOT-BC311306  Heterotheca sessiliflora subsp. echioides Ernest C. Twisselmann 1962-10-10 7914 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Carrisa Plains School 624 Comment
  CAS-BOT-BC311307  Heterotheca sessiliflora subsp. echioides Ernest C. Twisselmann 1962-10-10 7914 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Carrisa Plains School 624 Comment
  CAS-BOT-BC311320  Heterotheca sessiliflora subsp. echioides Ernest C. Twisselmann 1955-8-14 2352 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Eben McMillan Ranch near summit of Gillis Canyon, eastern San Luis Obispo County 670 Comment
  CAS-BOT-BC311380  Hypochaeris glabra Ernest C. Twisselmann 1969-4-14 15117 San Luis Obispo La Panza Range. Cammatta Road, 6 miles south of Creston 419 Comment
  CAS-BOT-BC311683  Isocoma menziesii var. sedoides Ernest C. Twisselmann 1959-5-23 5275 San Luis Obispo Piotn Buchon 6 Comment
  CAS-BOT-BC311684  Isocoma menziesii var. sedoides Ernest C. Twisselmann 1959-5-23 5275 San Luis Obispo Piotn Buchon 6 Comment
  CAS-BOT-BC315706  Isocoma acradenia var. bracteosa Ernest C. Twisselmann 1965-9-19 11606 San Luis Obispo Main east-west canal, Pixley National Wildlife Refuge, San Joaquin Valley 68 Comment
  CAS-BOT-BC316739  Isocoma acradenia var. bracteosa Ernest C. Twisselmann 1957-11-7 4128 San Luis Obispo Panorama Hills, Temblor Range and the Western San Joaquin Valley 746 Comment
  CAS-BOT-BC316740  Isocoma acradenia var. bracteosa Ernest C. Twisselmann 1957-11-7 4128 San Luis Obispo Panorama Hills, Temblor Range and the Western San Joaquin Valley 746 Comment
  CAS-BOT-BC316742  Isocoma acradenia var. bracteosa Ernest C. Twisselmann 1954-10-9 1618 San Luis Obispo Hills at summit of Palo Prieta canyon, 8 miles south of Cholame, Temblor Range and the Western San Joaquin Valley 685 Comment
  CAS-BOT-BC318233  Packera breweri Ernest Christian Twisselmann 1955-5-27 2018 San Luis Obispo Phelps Hill, McMillan Ranch, eastern San Luis Obispo County. Comment
  CAS-BOT-BC318242  Packera breweri Ernest Christian Twisselmann 1962-4-29 7023 San Luis Obispo Choice Valley Hills: North side of Salt Canyon. Comment
  CAS-BOT-BC318243  Packera breweri Ernest Christian Twisselmann 1962-4-29 7023 San Luis Obispo Choice Valley Hills: North side of Salt Canyon 586 Comment
  CAS-BOT-BC321151  Layia glandulosa Ernest C. Twisselmann 1954-3-20 902 San Luis Obispo Temblor Range and Western San Joaquin Valley. Palo Prieta Canyon, near old Rock Quarry, 3.5 miles S of Cholame. Comment
  CAS-BOT-BC321426  Layia glandulosa Ernest C. Twisselmann 1954-3-20 902 San Luis Obispo Temblor Range and Western San Joaquin Valley. Palo Prieta Canyon, near old Rock Quarry, 3.5 miles S of Cholame. Comment
  CAS-BOT-BC321427  Layia glandulosa Ernest C. Twisselmann 1957-5-24 3580 San Luis Obispo The Greenhorn Range. Alta Sierra Road, 7.2 miles W of Lake Isabella. 1554 Comment
  CAS-BOT-BC321430  Layia glandulosa Ernest C. Twisselmann 1961-5-4 6081 San Luis Obispo The Greenhorn Range. Ice House Road, 0.6 mi NE of Davis Guard Station. 1584 Comment
  CAS-BOT-BC321431  Layia glandulosa Ernest C. Twisselmann 1961-5-4 6081 San Luis Obispo The Greenhorn Range. Ice House Road, 0.6 mi NE of Davis Guard Station. 1584 Comment
  CAS-BOT-BC321432  Layia glandulosa Ernest C. Twisselmann 1961-5-23 6143 San Luis Obispo Tehachapi Mountains. Tejon Ranch: Rising Canyon.. 1097 Comment
  CAS-BOT-BC321434  Layia glandulosa Ernest C. Twisselmann 1961-5-24 6230 San Luis Obispo Tehachapi Mountains. Tejon Ranch: Monroe Spring, Bear Trap Canyon 1645 Comment
  CAS-BOT-BC321436  Layia glandulosa Ernest C. Twisselmann 1971-4-26 17636 San Luis Obispo Sierra Nevada. Cyrus Canyon. 1188 Comment
  CAS-BOT-BC321452  Layia glandulosa Ernest C. Twisselmann 1962-4-9 6905 San Luis Obispo Tehachapi-Kernville Region. North end of Kelso Valley. 1280 Comment
  CAS-BOT-BC321454  Layia glandulosa Ernest C. Twisselmann 1964-6-10 9584 San Luis Obispo San Emigdio Range and the Mt. Pinos Region. Tecuya Ridge. Comment
  CAS-BOT-BC321455  Layia glandulosa Ernest C. Twisselmann 1964-6-10 9584 San Luis Obispo San Emigdio Range and the Mt. Pinos Region. Tecuya Ridge. Comment
  CAS-BOT-BC321456  Layia glandulosa Ernest C. Twisselmann 1965-5-5 10676 San Luis Obispo The Mojave-Randsburg Region. Northeast end of Buckhorn Lake, Edwards Air Force Base. 754 Comment
  CAS-BOT-BC321641  Layia glandulosa Ernest C. Twisselmann 1955-5-27 2055 San Luis Obispo La Panza Range. Lower Cammatta Canyon. 419 Comment
  CAS-BOT-BC321647  Layia glandulosa Ernest C. Twisselmann 1969-4-14 15111 San Luis Obispo La Panza Range. Shell Creek. 419 Comment
  CAS-BOT-BC321648  Layia glandulosa Ernest C. Twisselmann 1969-4-14 15111 San Luis Obispo La Panza Range. Shell Creek. 419 Comment
  CAS-BOT-BC322899  Stephanomeria pauciflora Ernest C. Twisselmann 1953-8-17 702 San Luis Obispo Chris Twisselmann Ranch, 7 miles south of Cholame, Temblor Range and the Western San Joaquin Valley 640 Comment
  CAS-BOT-BC322902  Stephanomeria pauciflora Ernest C. Twisselmann 1958-11-7 4952 San Luis Obispo Choice Valley Region, Salt Canyon, Temblor Range and the Western San Joaquin Valley 548 Comment
  CAS-BOT-BC322904  Stephanomeria pauciflora Ernest C. Twisselmann 1962-8-23 7686 San Luis Obispo Hills at the summit of Palo Prieta Canyn, Temblor Range and the Western San Joaquin Valley 640 Comment
  CAS-BOT-BC324539  Madia radiata Ernest C. Twisselmann 1965-3-23 10494 San Luis Obispo Pinole Hills at the head of Bitterwater Creek, Temblor Range and the Western San Joaquin Valley 670 Comment
  CAS-BOT-BC324541  Madia radiata Ernest C. Twisselmann 1956-3-26 2585 San Luis Obispo Near the summit of Bitterwater Creek, Lake Ranch, Temblor Range and the Western San Joaquin Valley 777 Comment
  CAS-BOT-BC324543  Madia radiata Ernest C. Twisselmann 1952-4-22 603 San Luis Obispo Associated Ridges near the summit, Temblor Range and the Western San Joaquin Valley 1036 Comment
  CAS-BOT-BC324698  Isocoma menziesii var. vernonioides Ernest C. Twisselmann 1965-11-2 11686 San Luis Obispo Bluffs just north of San Simeon Beach State Park 12 Comment
  CAS-BOT-BC324745  Iva axillaris Ernest C. Twisselmann 1956-6-7 2894 San Luis Obispo Along the San Juan River 1.5 miles nroth of the San Juan Ranch 426 Comment
  CAS-BOT-BC325887  Holocarpha heermannii Ernest C. Twisselmann 1954-9-10 1567 San Luis Obispo Cottonwood Pass 1 mile west of Kern County line, Temblor Range and the Western San Joauqin Valley 518 Comment
  CAS-BOT-BC327645  Layia munzii Ernest C. Twisselmann 1954-4-22 1110 San Luis Obispo Cholame Flats, 2 mi NE of Cholame 350 Comment
  CAS-BOT-BC327646  Layia munzii Ernest C. Twisselmann 1954-4-22 1110 San Luis Obispo Cholame Flats, 2 mi NE of Cholame 350 Comment
  CAS-BOT-BC328020  Lepidospartum squamatum Ernest C. Twisselmann 1954-7-20 1453 San Luis Obispo Temblor Randg & Western San Joaquin Valley. Choice Valley Road, 1/8 mile W of Choice Valley School 563 Comment
  CAS-BOT-BC328022  Lepidospartum squamatum Ernest C. Twisselmann 1953-9-4 13701 San Luis Obispo Temblor Randg & Western San Joaquin Valley. Choice Valley: fill 0.25 mi NW of the school 601 Comment
  CAS-BOT-BC329098  Senecio flaccidus var. douglasii Ernest C. Twisselmann 1951-9-1 567 San Luis Obispo Palo Prieta Canyon, Temblor Range, western San Joaquin Valley Comment
  CAS-BOT-BC329100  Senecio flaccidus var. douglasii Ernest C. Twisselmann 1960-9-27 6011 San Luis Obispo Grant's Lake, Temblor Range, east San Luis Obispo County 576 Comment
  CAS-BOT-BC329106  Senecio flaccidus var. douglasii Ernest C. Twisselmann 1967-9-9 13677 San Luis Obispo Hills at the summit of Palo Prieta Canyon, Temblor Range 655 Comment
  CAS-BOT-BC329189  Lasthenia ferrisiae Ernest C. Twisselmann 1952-5-6 572 San Luis Obispo Plants of Temblor Range and Western San Joaquin Valley. Chris Twisselmann Ranch. 685 Comment
  CAS-BOT-BC329193  Lasthenia ferrisiae Ernest C. Twisselmann 1958-4-29 4382 San Luis Obispo Plants of Temblor Range and Western San Joaquin Valley. Alkali sink just E of the S end of Soda Lake 609 Comment
  CAS-BOT-BC329194  Lasthenia ferrisiae Ernest C. Twisselmann 1958-4-29 4382 San Luis Obispo Plants of Temblor Range and Western San Joaquin Valley. Alkali sink just E of the S end of Soda Lake 609 Comment
  CAS-BOT-BC329195  Lasthenia ferrisiae Ernest C. Twisselmann 1958-5-17 4468 San Luis Obispo Plants of Temblor Range and Western San Joaquin Valley. San Andreas Fault at the summit of Palo Prieta Canyon, eastern part of county. 701 Comment
  CAS-BOT-BC329197  Lasthenia ferrisiae Ernest C. Twisselmann 1958-5-12 4453 San Luis Obispo Plants of Temblor Range and Western San Joaquin Valley.Soda Lake Road, 2.1 mi S of Simmler 640 Comment
  CAS-BOT-BC329198  Lasthenia ferrisiae Ernest C. Twisselmann 1958-5-12 4453 San Luis Obispo Plants of Temblor Range and Western San Joaquin Valley.Soda Lake Road, 2.1 mi S of Simmler 640 Comment
  CAS-BOT-BC334585  Lasthenia californica Ernest C. Twisselmann 1959-4-10 5033 San Luis Obispo Summit of Perfumo Cahnon, Irish Hills 365 Comment
  CAS-BOT-BC339010  Lasthenia californica Ernest C. Twisselmann 1955-3-22 1753 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Soda Lake: southeast shore 579 Comment
  CAS-BOT-BC339012  Lasthenia californica Ernest C. Twisselmann 1954-3-20 903 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta Canyon, 3 1/2 miles south of US466 518 Comment
  CAS-BOT-BC339455  Lessingia glandulifera var. glandulifera Ernest C. Twisselmann 1954-7-17 1433 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta [Prieto] Canyon: 3 miles south of Cholame 487 Comment
  CAS-BOT-BC339456  Lessingia glandulifera var. glandulifera Ernest C. Twisselmann 1954-7-17 1433 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta [Prieto] Canyon: 3 miles south of Cholame 487 Comment
  CAS-BOT-BC339457  Lessingia glandulifera var. glandulifera Ernest C. Twisselmann 1954-9-14 1573 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Hills at Summit of Palo Prieta [Prieto] Canyon, 6 miles south of Cholame 701 Comment
  CAS-BOT-BC339458  Lessingia glandulifera var. glandulifera Ernest C. Twisselmann 1954-9-14 1573 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Hills at Summit of Palo Prieta [Prieto] Canyon, 6 miles south of Cholame 701 Comment
  CAS-BOT-BC339459  Lessingia glandulifera var. glandulifera Ernest C. Twisselmann 1954-7-2 1418 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Jackson Place: 2 miles south of Grant's Lake, Eastern San Luis Obispo County 533 Comment
  CAS-BOT-BC339460  Lessingia glandulifera var. glandulifera Ernest C. Twisselmann 1954-7-2 1418 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Jackson Place: 2 miles south of Grant's Lake, San Luis Obispo County 533 Comment
  CAS-BOT-BC339462  Lessingia glandulifera var. glandulifera Ernest C. Twisselmann 1955-9-1 2365 San Luis Obispo Temblor Range and the Western San Joaquin Valley. San Juan River Valley, 8.6 miles south of Shandon 426 Comment
  CAS-BOT-BC339464  Lessingia glandulifera var. glandulifera Ernest C. Twisselmann 1960-9-14 6006 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Mouth of Palo Prieta [Prieto] Canyon 365 Comment
  CAS-BOT-BC340629  Lactuca serriola Ernest C. Twisselmann 1954-8-19 1512 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Summit of Palo Prieta Canyon, 7 miles south of Cholame 624 Comment
  CAS-BOT-BC340630  Lactuca serriola Ernest C. Twisselmann 1954-8-19 1512 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Summit of Palo Prieta Canyon, 7 miles south of Cholame (across from Twisselmann mail box) 624 Comment
  CAS-BOT-BC340631  Lactuca serriola Ernest C. Twisselmann 1958-8-27 4740 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Bitterwater Road at Grant's Lake, eastern San Luis Obispo County 609 Comment
  CAS-BOT-BC340632  Lactuca serriola Ernest C. Twisselmann 1958-8-27 4740 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Bitterwater Road at Grant's Lake, eastern San Luis Obispo County 609 Comment
  CAS-BOT-BC341608  Lagophylla ramosissima Ernest C. Twisselmann 1967-8-11 13551 San Luis Obispo Mountain Springs Canyon, 2 miles west of Paso Robles 548 Comment
  CAS-BOT-BC341611  Lagophylla ramosissima Ernest C. Twisselmann 1954-8-19 1513 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Summit of Palo Prieta Canyon, 7 miles south of Cholame 624 Comment
  CAS-BOT-BC343893  Madia elegans Ernest C. Twisselmann 1956-7-26 3104 San Luis Obispo La Panza Range. Calf Canyon: Creston Road junction 426 Comment
  CAS-BOT-BC345339  Malacothrix californica Ernest C. Twisselmann 1955-4-9 1828 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Red Hills, 7.6 miles southeast of Shandon 420 Comment
  CAS-BOT-BC345340  Malacothrix californica Ernest C. Twisselmann 1955-4-26 1896 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Plain 3/4 mile east of Soda Lake 624 Comment
  CAS-BOT-BC347332  Malacothrix coulteri Ernest C. Twisselmann 1952-4-7 526 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Davidson Hills, 1/2 mile east of Grants Lake 576 Comment
  CAS-BOT-BC347334  Malacothrix coulteri Ernest C. Twisselmann 1954-5-1 1139 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Gypsum Hills, 7 miles east of Simmler 762 Comment
  CAS-BOT-BC347336  Malacothrix coulteri Ernest C. Twisselmann 1957-5-3 3488 San Luis Obispo Caliente Range: Bill Hill Ranch at the foot of Caliente Mountain 701 Comment
  CAS-BOT-BC347896  Malacothrix saxatilis var. tenuifolia Ernest C. Twisselmann 1964-7-3 9704 San Luis Obispo Mt. Springs Canyon, 1 mile west of Paso Robles 304 Comment
  CAS-BOT-BC348074  Matricaria discoidea Ernest C. Twisselmann 1952-3-23 561 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Jackson Place, Choice Valley Comment
  CAS-BOT-BC348298  Matricaria occidentalis Ernest C. Twisselmann 1967-6-16 13367 San Luis Obispo Temblor Range and the Western San Joaquin Valley. San Andreas Fault in the hills at the summit of Palo Prieta Canyon 701 Comment
  CAS-BOT-BC348299  Matricaria occidentalis Ernest C. Twisselmann 1967-6-16 13367 San Luis Obispo Temblor Range and the Western San Joaquin Valley. San Andreas Fault in the hills at the summit of Palo Prieta Canyon 701 Comment
  CAS-BOT-BC348564  Micropus californicus var. californicus Ernest C. Twisselmann 1954-4-29 1121 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Summit of Palo Prieta Pass 640 Comment
  CAS-BOT-BC348565  Micropus californicus var. californicus Ernest C. Twisselmann; Donald J. Bedell 1971-4-30 17672 San Luis Obispo Franklin Canyon, ca. 2.5 miles southeast of Palo Robles 243 Comment
  CAS-BOT-BC348566  Micropus californicus var. californicus Ernest C. Twisselmann; Donald J. Bedell 1971-4-30 17672 San Luis Obispo Franklin Canyon, ca. 2.5 miles southeast of Palo Robles 243 Comment
  CAS-BOT-BC348583  Micropus californicus var. californicus Ernest C. Twisselmann 1954-4-29 1121 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Summit of Palo Prieta Pass 640 Comment
  CAS-BOT-BC348814  Microseris campestris Ernest C. Twisselmann 1955-4-22 1892 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Choice Valley, 1 1/2 miles east of Palo Prieta Summit 640 Comment
  CAS-BOT-BC348908  Microseris douglasii subsp. douglasii Ernest C. Twisselmann 1954-4-29 1122 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Summit of Palo Prieta Canyon 655 Comment
  CAS-BOT-BC349002  Microseris douglasii subsp. douglasii Ernest C. Twisselmann 1965-4-12 10501 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Head of Palo Prieta Canyon 670 Comment
  CAS-BOT-BC349004  Microseris douglasii subsp. douglasii Ernest C. Twisselmann 1954-4-29 1122 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Summit of Palo Prieta Canyon 655 Comment
  CAS-BOT-BC349006  Microseris douglasii subsp. douglasii Ernest C. Twisselmann 1954-4-20 1100 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta Summit, 1/4 mile south of O'Brien Lake 670 Comment
  CAS-BOT-BC349537  Monolopia lanceolata Ernest C. Twisselmann 1953-3-18 578 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Ridges along Associated Canyon, 7 miles east of Simmler 853 Comment
  CAS-BOT-BC349557  Monolopia lanceolata Ernest C. Twisselmann 1962-3-18 6703 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Hills at the summit of Palo Prieta Canyon 655 Comment
  CAS-BOT-BC349558  Monolopia lanceolata Ernest C. Twisselmann 1962-3-18 6703 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Hills at the summit of Palo Prieta Canyon 655 Comment
  CAS-BOT-BC349682  Monolopia stricta Ernest C. Twisselmann 1955-3-22 1744 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Southeast shore of Soda Lake, Carrisa Plains [Carrizo Plain] 585 Comment
  CAS-BOT-BC349683  Monolopia stricta Ernest C. Twisselmann 1952-4-2 576 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Jackson Place: Davidson Bluffs, 1/4 mile east of Grants Lake Comment
  CAS-BOT-BC352747  Lasthenia fremontii Ernest C. Twisselmann 1958-5-12 4450 San Luis Obispo Alkali sinks 2 miles N of Soda Lake. 640 Comment
  CAS-BOT-BC352748  Lasthenia fremontii Ernest C. Twisselmann 1958-5-12 4450 San Luis Obispo Alkali sinks 2 miles N of Soda Lake. 640 Comment
  CAS-BOT-BC356829  Pseudognaphalium californicum Ernest C. Twisselmann 1955-6-10 2134 San Luis Obispo La Panza Range. Vaquero Water Hills 502 Comment
  CAS-BOT-BC356840  Pseudognaphalium californicum Ernest C. Twisselmann 1955-7-22 2271 San Luis Obispo La Panza Range. Mouth of Toro Canyon 594 Comment
  CAS-BOT-BC356841  Pseudognaphalium californicum Ernest C. Twisselmann 1967-4-27 12916 San Luis Obispo Highway 1, 2.9 miles south of Piedras Blancas Point 9 Comment
  CAS-BOT-BC357112  Pseudognaphalium luteoalbum Ernest C. Twisselmann; Donald J. Bedell 1971-4-26 17668 San Luis Obispo Franklin Canyon, ca. 2.5 miles southeast of Paso Robles 243 Comment
  CAS-BOT-BC357113  Pseudognaphalium luteoalbum Ernest C. Twisselmann; Clifton F. Smith 1969-11-12 16330 San Luis Obispo Temblor Range: Twisselmann Lake at the summit of Palo Prieta Canyon 701 Comment
  CAS-BOT-BC357501  Pseudognaphalium ramosissimum Ernest C. Twisselmann 1967-4-27 12916 San Luis Obispo Highway 1, 2.9 miles south of Piedras Blancas Point 9 Comment
  CAS-BOT-BC361550  Pseudognaphalium stramineum Ernest C. Twisselmann 1967-4-27 12907 San Luis Obispo Mesa just north of San Simeon Beach State Park 9 Comment
  CAS-BOT-BC361554  Pseudognaphalium stramineum Ernest C. Twisselmann 1953-7-14 550 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Grants Lake 576 Comment
  CAS-BOT-BC361810  Psilocarphus brevissimus var. brevissimus Ernest C. Twisselmann 1955-4-26 1907 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Alkali sinks 2 miles north of Soda Lake, Carissa Plains [Carrizo Plain] 640 Comment
  CAS-BOT-BC361811  Psilocarphus brevissimus var. brevissimus Ernest C. Twisselmann 1955-4-26 1907 San Luis Obispo Alkali sinks, 2 mi n of Soda Lake, Carissa Plains [Carrizo Plain] 640 Comment
  CAS-BOT-BC362009  Psilocarphus tenellus Ernest C. Twisselmann 1955-5-27 2042 San Luis Obispo La Panza Range. Summit of Cammatta Canyon on Navajo Canyon Road 586 Comment
  CAS-BOT-BC362010  Psilocarphus tenellus Ernest C. Twisselmann 1955-5-27 2042 San Luis Obispo La Panza Range. Summit of Cammatta Canyon on Navajo Canyon Road 586 Comment
  CAS-BOT-BC362536  Rafinesquia californica Ernest C. Twisselmann 1955-5-27 2036 San Luis Obispo La Panza Range. Upper Navajo Canyon 762 Comment
  CAS-BOT-BC362538  Rafinesquia californica Ernest C. Twisselmann 1956-5-7 2772 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Portagee Canyon, fork of Gillis Canyon 487 Comment
  CAS-BOT-BC364626  Senecio vulgaris Ernest C. Twisselmann 1969-4-24 15199 San Luis Obispo Santa Ysabel Ranch, east side of the Salinas River 5 miles south of Paso Robles 228 Comment
  CAS-BOT-BC364628  Senecio vulgaris Ernest C. Twisselmann 1967-4-27 12908 San Luis Obispo Mesa just north of San Simeon Beach State Park 9 Comment
  CAS-BOT-BC364849  Silybum marianum Ernest C. Twisselmann 1959-5-23 5276 San Luis Obispo Point Buchon 10 Comment
  CAS-BOT-BC364850  Silybum marianum Ernest C. Twisselmann 1959-5-23 5276 San Luis Obispo Point Buchon 10 Comment
  CAS-BOT-BC365173  Solidago velutina subsp. californica Ernest C. Twisselmann 1956-11-3 3225 San Luis Obispo La Panza Range. Salinas River, 0.2 mile below Salinas Dam 393 Comment
  CAS-BOT-BC36788  Brassica rapa Ernest C. Twisselmann 1959-5-23 5277 San Luis Obispo Point Buchon. 10 Comment
  CAS-BOT-BC36968  Cakile maritima var. maritima Ernest C. Twisselmann 1955-10-1 2418 San Luis Obispo Morro Bay sand bars, near park headquarters. 1 Comment
  CAS-BOT-BC370857  Lasthenia minor Ernest C. Twisselmann 1955-3-22 1754 San Luis Obispo 1 mile north of Soda Lake 609 Comment
  CAS-BOT-BC370858  Lasthenia minor Ernest C. Twisselmann 1958-4-29 4385 San Luis Obispo about 1 mile north of Soda Lake 617 Comment
  CAS-BOT-BC370859  Lasthenia minor Ernest C. Twisselmann 1967-4-27 12924 San Luis Obispo Mesa northeast of Piedras Blancas Point. 4 Comment
  CAS-BOT-BC370860  Lasthenia minor Ernest C. Twisselmann 1967-4-27 12924 San Luis Obispo Mesa northeast of Piedras Blancas Point. 4 Comment
  CAS-BOT-BC37153  Capsella bursa-pastoris Ernest C. Twisselmann 1954-3-11 864 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Hardenburgh Place: 10 miles south of Cholame. Comment
  CAS-BOT-BC37154  Capsella bursa-pastoris Ernest C. Twisselmann 1954-3-11 864 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Hardenburgh Place: 10 miles south of Cholame. Comment
  CAS-BOT-BC37155  Capsella bursa-pastoris Ernest C. Twisselmann 1969-4-24 15189 San Luis Obispo Santa Ysabel Ranch, east side of the Salinas River 5 miles south of Paso Robles. 228 Comment
  CAS-BOT-BC37156  Capsella bursa-pastoris Ernest C. Twisselmann 1971-11-12 18516 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Dorothy Twisselmann Ranch, eastern SLO County. 670 Comment
  CAS-BOT-BC374481  Sonchus asper Ernest C. Twisselmann 1969-11-28 16354 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Loffaly Spring, hills at the head of Palo Prieta Canyon 640 Comment
  CAS-BOT-BC374482  Sonchus asper Ernest C. Twisselmann 1969-11-28 16354 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Loffaly Spring, hills at the head of Palo Prieta Canyon 640 Comment
  CAS-BOT-BC374619  Sonchus oleraceus Ernest C. Twisselmann 1967-9-9 13689 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Ortega Spring, Palo Prieta Canyon 598 Comment
  CAS-BOT-BC374871  Stebbinsoseris heterocarpa Ernest C. Twisselmann 1961-3-27 6025 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Grant's Lake 576 Comment
  CAS-BOT-BC374872  Stebbinsoseris heterocarpa Ernest C. Twisselmann 1956-4-30 2728 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Hills at the summit of Palo Prieta Canyon 640 Comment
  CAS-BOT-BC374873  Stebbinsoseris heterocarpa Ernest C. Twisselmann 1956-4-30 2728 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta Creek near its summit, eastern San Luis Obispo County. (near Twisselmann Palo Prieta field junk pile) 640 Comment
  CAS-BOT-BC375158  Stephanomeria cichoriacea Ernest C. Twisselmann 1956-12-16 3260 San Luis Obispo Santa Lucia Range: Old Creek Canyon 182 Comment
  CAS-BOT-BC375291  Stephanomeria exigua subsp. carotifera Ernest C. Twisselmann 1956-8-6 3108 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta Canyon near the summit 609 Comment
  CAS-BOT-BC375292  Stephanomeria exigua subsp. carotifera Ernest C. Twisselmann 1962-10-10 7915 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Carrisa Plains School 624 Comment
  CAS-BOT-BC375293  Stephanomeria exigua subsp. carotifera Ernest C. Twisselmann 1965-8-23 11558 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Summit of Choice Valley 670 Comment
  CAS-BOT-BC375392  Stephanomeria exigua subsp. coronaria Ernest C. Twisselmann 1956-8-6 3108 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta Canyon near the summit 609 Comment
  CAS-BOT-BC375704  Stephanomeria runcinata Ernest C. Twisselmann 1958-11-7 4952 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Choice Valley Region: Salt Canyon 548 Comment
  CAS-BOT-BC375705  Stephanomeria runcinata Ernest C. Twisselmann 1953-12-12 829 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch: 7 miles south of Cholame, eastern San Luis Obispo County. (Summit of Palo Prieta Pass) 640 Comment
  CAS-BOT-BC375899  Stephanomeria virgata Ernest C. Twisselmann 1965-8-23 11558 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Summit of Choice Valley 670 Comment
  CAS-BOT-BC375900  Stephanomeria virgata Ernest C. Twisselmann 1965-8-23 11558 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Summit of Choice Valley 670 Comment
  CAS-BOT-BC375902  Stephanomeria virgata Ernest C. Twisselmann 1954-7-24 1466 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Summit of Palo Prieta Canyon, eastern San Luis Obispo County. (Near Twisselmann Ranch Mail-box.) 658 Comment
  CAS-BOT-BC376050  Stylocline gnaphaloides Ernest C. Twisselmann 1956-5-7 2775 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Portagee Canyon, fork of Gillis Canyon 487 Comment
  CAS-BOT-BC376051  Stylocline gnaphaloides Ernest C. Twisselmann 1956-5-7 2775 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Portagee Canyon, fork of Gillis Canyon 487 Comment
  CAS-BOT-BC377132  Tragopogon porrifolius Ernest C. Twisselmann 1955-6-28 2178 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Eben McMillan Ranch, eastern San Luis Obispo County 670 Comment
  CAS-BOT-BC377133  Tragopogon porrifolius Ernest C. Twisselmann 1963-6-7 8382 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Carter Place, Choice Valley 640 Comment
  CAS-BOT-BC377134  Tragopogon porrifolius Ernest C. Twisselmann 1963-6-7 8382 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Carter Place, Choice Valley 640 Comment
  CAS-BOT-BC378572  Ranunculus californicus var. californicus Ernest C. Twisselmann 1969-4-24 15187 San Luis Obispo Santa Ysabel Ranch, east side of the Salinas River 5 mi south of Paso Robles. 229 Comment
  CAS-BOT-BC378579  Ranunculus californicus var. californicus Ernest C. Twisselmann 1967-4-27 12922 San Luis Obispo Mesa northeast of Piedras Blancas Point Comment
  CAS-BOT-BC378580  Ranunculus californicus var. californicus Ernest C. Twisselmann 1959-4-10 5042 San Luis Obispo Los Osos Valley, near Laguna Lake 30 Comment
  CAS-BOT-BC378584  Ranunculus californicus var. californicus Ernest C. Twisselmann 1959-4-10 5042 San Luis Obispo Los Osos Valley, near Laguna Lake 30 Comment
  CAS-BOT-BC378724  Ranunculus californicus var. cuneatus Ernest C. Twisselmann 1967-4-27 12922 San Luis Obispo Mesa northeast of Piedras Blancas Point 4 Comment
  CAS-BOT-BC382133  Layia platyglossa Ernest C. Twisselmann 1954-5-1 1155 San Luis Obispo Temblor Range and the Western San Joaquin Valley; Mariannas Ranch Summit, Temblor Mountains 975 Comment
  CAS-BOT-BC382135  Layia platyglossa Ernest C. Twisselmann 1968-3-28 14068 San Luis Obispo Temblor Range and Western San Joaquin Valley; Goldtree Hills, southwest of Grants Lake 594 Comment
  CAS-BOT-BC382137  Layia platyglossa Ernest C. Twisselmann 1968-3-28 6023 San Luis Obispo Temblor Range and Western San Joaquin Valley; Grant's Lake, Eastern San Luis Obispo County 576 Comment
  CAS-BOT-BC382138  Layia platyglossa Ernest C. Twisselmann 1954-4-9 1023 San Luis Obispo Temblor Range and Western San Joaquin Valley; Choice Valley: 1 mile east of Palo Prieta Summit (Wolf Place). 586 Comment
  CAS-BOT-BC382139  Layia platyglossa Ernest C. Twisselmann 1954-5-1 1155 San Luis Obispo Temblor Range and Western San Joaquin Valley; Mariannas Ranch Summit, Temblor Mountains 975 Comment
  CAS-BOT-BC382141  Layia platyglossa Ernest C. Twisselmann 1956-3-26 2587 San Luis Obispo Temblor Range and Western San Joaquin Valley; Southern Carrisa Plains: 6.5 miles south of Soda Lake 640 Comment
  CAS-BOT-BC382143  Layia platyglossa Ernest C. Twisselmann 1955-5-27 2056 San Luis Obispo La Panza Range; Lower Cammatta Canyon 419 Comment
  CAS-BOT-BC38234  Caulanthus anceps Ernest C. Twisselmann 1955-3-22 1740 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Low hills on east shore of Soda Lake, Carissa Plains. 594 Comment
  CAS-BOT-BC38235  Caulanthus anceps Ernest C. Twisselmann 1956-3-18 2566 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Gillis Canyon. 579 Comment
  CAS-BOT-BC38236  Caulanthus anceps Ernest C. Twisselmann 1962-3-18 6707 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Hills at the summit of Palo Prieta Canyon. 655 Comment
  CAS-BOT-BC38238  Caulanthus anceps Ernest C. Twisselmann 1965-3-23 10492 San Luis Obispo Temblor Range and the Western San Joauin Valley. Pinole Hills at the head of Bitterwater Creek. 670 Comment
  CAS-BOT-BC382415  Xanthium spinosum Ernest C. Twisselmann 1954-7-17 1432 San Luis Obispo Palo Prieta Canyon: 6 miles south of Cholame. 579 Comment
  CAS-BOT-BC382416  Xanthium spinosum Ernest C. Twisselmann 1954-7-17 1432 San Luis Obispo Palo Prieta Canyon: 6 miles south of Cholame. 579 Comment
  CAS-BOT-BC38245  Caulanthus anceps Ernest C. Twisselmann 1953-4-26 230 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Goldtree Hills, 1 mile south of Grants Lake. 670 Comment
  CAS-BOT-BC38246  Caulanthus anceps Ernest C. Twisselmann 1955-3-22 1740 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Low hills on east shore of Soda Lake, Carissa Plains. 594 Comment
  CAS-BOT-BC38247  Caulanthus anceps Ernest C. Twisselmann 1956-3-18 2566 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Gillis Canyon. 579 Comment
  CAS-BOT-BC38248  Caulanthus anceps Ernest C. Twisselmann 1962-3-18 6707 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Hills at the summit of Palo Prieta Canyon. 655 Comment
  CAS-BOT-BC38250  Caulanthus anceps Ernest C. Twisselmann 1965-6-30 11103 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Hills at the summit of Palo Prieta Canyon. 655 Comment
  CAS-BOT-BC382752  Uropappus lindleyi Ernest C. Twisselmann 1955-4-26 1902 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Painted Rock, Carrisa Plains 731 Comment
  CAS-BOT-BC382754  Uropappus lindleyi Ernest C. Twisselmann 1954-5-12 1219 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Hills at Palo Prieta Summit, 7 miles south of Cholame 685 Comment
  CAS-BOT-BC383317  Wyethia glabra Ernest C. Twisselmann; Donald J. Bedell 1971-4-26 17669 San Luis Obispo Franklin Canyon, ca. 2.5 miles southeast of Paso Robles 243 Comment
  CAS-BOT-BC383414  Wyethia helenioides Ernest C. Twisselmann; Donald J. Bedell 1971-4-26 17669 San Luis Obispo Franklin Canyon, ca. 2.5 miles southeast of Paso Robles 243 Comment
  CAS-BOT-BC383771  Xanthium strumarium Ernest C. Twisselmann 1954-7-18 1438 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Choice Valley: 1 1/2 miles east of Palo Prieta Summit 579 Comment
  CAS-BOT-BC383772  Xanthium strumarium Ernest C. Twisselmann 1954-7-18 1438 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Choice Valley: 1 1/2 miles east of Palo Prieta Summit 579 Comment
  CAS-BOT-BC383773  Xanthium strumarium Ernest C. Twisselmann 1958-8-27 4742 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Grant's Lake, eastern San Luis Obispo County 576 Comment
  CAS-BOT-BC383775  Xanthium strumarium Ernest C. Twisselmann 1967-9-8 13674 San Luis Obispo Temblor Range and the Western San Joaquin Valley. T. Franklin Twisselmann residence, Choice Valley 640 Comment
  CAS-BOT-BC384020  Mirabilis jalapa Ernest C. Twisselmann 1959-11-2 5906 San Luis Obispo Oceano Road, 3.2 miles south of Arroyo Grande 12 Comment
  CAS-BOT-BC384022  Mirabilis jalapa Ernest C. Twisselmann 1971-8-12 18069 San Luis Obispo Templeton 274 Comment
  CAS-BOT-BC384517  Silene antirrhina Ernest C. Twisselmann 1969-5-7 15223 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta Canyon 563 Comment
  CAS-BOT-BC388208  Cerastium fontanum subsp. vulgare Ernest C. Twisselmann 1954-5-11 1211 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch: Eastern San Luis Obispo County Comment
  CAS-BOT-BC388379  Cerastium glomeratum Ernest C. Twisselmann 1969-4-24 15205 San Luis Obispo Santa Ysabel Ranch, east side of the Salinas River 5 miles south of Paso Robles 228 Comment
  CAS-BOT-BC388381  Cerastium glomeratum Ernest C. Twisselmann 1955-5-27 2048 San Luis Obispo La Panza Range. Upper Cammatta Canyon 563 Comment
  CAS-BOT-BC388383  Cerastium glomeratum Ernest C. Twisselmann 1969-4-24 15157 San Luis Obispo La Panza Range. Bedell Ranch, 5 miles southeast of Creston 350 Comment
  CAS-BOT-BC388553  Herniaria hirsuta var. cinerea Ernest C. Twisselmann 1956-5-7 2783 San Luis Obispo Maxey Ranch, in the low hills east of the Cholame Valley 502 Comment
  CAS-BOT-BC390004  Spergula arvensis Ernest C. Twisselmann 1967-4-27 12915 San Luis Obispo Highway 1, 2.9 miles south of Piedras Blancas Point 9 Comment
  CAS-BOT-BC390080  Spergularia atrosperma Ernest C. Twisselmann 1958-4-29 4388 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Alkali plain 6.5 miles south of Soda Lake 640 Comment
  CAS-BOT-BC390196  Spergularia bocconi Ernest C. Twisselmann 1969-4-14 15119 San Luis Obispo La Panza Range. Bedell Ranch, 5 miles southeast of Creston 419 Comment
  CAS-BOT-BC390197  Spergularia bocconi Ernest C. Twisselmann 1969-4-24 15160 San Luis Obispo La Panza Range. Bedell Ranch, 5 miles southeast of Creston 350 Comment
  CAS-BOT-BC39024  Arctostaphylos luciana Ernest C. Twisselmann 1956-2-18 2508 San Luis Obispo Santa Lucia Range, Klau Mine 304 Comment
  CAS-BOT-BC39025  Arctostaphylos luciana Ernest C. Twisselmann 1956-2-18 2508 San Luis Obispo Santa Lucia Range, Klau Mine 304 Comment
  CAS-BOT-BC390430  Spergularia macrotheca var. macrotheca Ernest C. Twisselmann 1959-5-23 5283 San Luis Obispo Point Buchon 10 Comment
  CAS-BOT-BC390431  Spergularia macrotheca var. macrotheca Ernest C. Twisselmann 1959-5-23 5283 San Luis Obispo Point Buchon 10 Comment
  CAS-BOT-BC390432  Spergularia macrotheca var. macrotheca Ernest C. Twisselmann 1959-4-10 5045 San Luis Obispo Los Osos Valley: near Laguna Lake 30 Comment
  CAS-BOT-BC390433  Spergularia macrotheca var. macrotheca Ernest C. Twisselmann 1959-4-10 5045 San Luis Obispo Los Osos Valley: near Laguna Lake 30 Comment
  CAS-BOT-BC390893  Spergularia marina Ernest C. Twisselmann 1967-4-27 12919 San Luis Obispo Highway 1, 2.9 miles south of Piedras Blancas Point 1 Comment
  CAS-BOT-BC390896  Spergularia marina Ernest C. Twisselmann 1955-6-18 2179 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Pozo Pinole, San Juan Hills 670 Comment
  CAS-BOT-BC390897  Spergularia marina Ernest C. Twisselmann 1955-6-18 2179 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Pozo Pinole, San Juan Hills 670 Comment
  CAS-BOT-BC390898  Spergularia marina Ernest C. Twisselmann 1955-4-26 1906 San Luis Obispo Temblor Range and the Western San Joaquin Valley. South end of Soda Lake, Carrisa Plains 609 Comment
  CAS-BOT-BC390899  Spergularia marina Ernest C. Twisselmann 1953-4-26 208 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Grants Lake Comment
  CAS-BOT-BC390901  Spergularia marina Ernest C. Twisselmann 1954-5-4 1171 San Luis Obispo Temblor Range and the Western San Joaquin Valley. San Andreas Fault at Palo Prieta Summit 670 Comment
  CAS-BOT-BC390903  Spergularia marina Ernest C. Twisselmann 1954-4-29 1124 San Luis Obispo Temblor Range and the Western San Joaquin Valley. San Andreas Fault, near Chris Twisselmann Ranch 685 Comment
  CAS-BOT-BC390990  Spergularia villosa Ernest C. Twisselmann 1969-5-19 15310 San Luis Obispo Estrella Plains: 0.5 mile north of Highway 46 on Jardine Road 213 Comment
  CAS-BOT-BC392453  Silene gallica Ernest C. Twisselmann 1959-5-23 5280 San Luis Obispo Point Buchon 10 Comment
  CAS-BOT-BC392454  Silene gallica Ernest C. Twisselmann 1959-5-23 5280 San Luis Obispo Point Buchon 10 Comment
  CAS-BOT-BC394052  Stellaria media Ernest C. Twisselmann 1955-7-22 2285 San Luis Obispo Riis Public Camp, Fernandez Canyon; La Panza Range Comment
  CAS-BOT-BC39499  Caulanthus lemmonii Ernest C. Twisselmann 1957-4-24 3403 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Choice Valley Hills. Salt Canyon. 579 Comment
  CAS-BOT-BC39501  Caulanthus lemmonii Ernest C. Twisselmann 1957-5-3 3480 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Carrisa Plains. Flood wash 9.9 miles south of Soda Lake. 640 Comment
  CAS-BOT-BC39503  Caulanthus lemmonii Ernest C. Twisselmann 1964-3-8 9216 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Salt Canyon, Choice Valley Hills. 487 Comment
  CAS-BOT-BC39529  Caulanthus lemmonii Ernest C. Twisselmann 1957-3-21 3264 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Hills at the summit of Palo Prieta Canyon. 609 Comment
  CAS-BOT-BC39530  Caulanthus lemmonii Ernest C. Twisselmann 1957-4-24 3403 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Choice Valley Hills. Salt Canyon. 579 Comment
  CAS-BOT-BC39531  Caulanthus lemmonii Ernest C. Twisselmann 1964-3-8 9216 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Choice Valley Hills. Salt Canyon. 487 Comment
  CAS-BOT-BC398693  Stellaria nitens Ernest C. Twisselmann 1962-3-19 6710 San Luis Obispo Choice Valley 0.25 mile south og Grant's lake 563 Comment
  CAS-BOT-BC398695  Stellaria nitens Ernest C. Twisselmann 1955-3-22 1761 San Luis Obispo Chris Twisselmann ranch, eastern San Luis Obispo County 685 Comment
  CAS-BOT-BC398697  Stellaria nitens Ernest C. Twisselmann 1962-3-19 6210 San Luis Obispo Choice Valley 0.25 mile south of Grant's Lake. 563 Comment
  CAS-BOT-BC398698  Stellaria nitens Ernest C. Twisselmann 1962-3-19 6710 San Luis Obispo Choice Valley 0.25 mile south of Grant's Lake. 563 Comment
  CAS-BOT-BC398699  Stellaria nitens Ernest C. Twisselmann 1955-3-24 1761 San Luis Obispo Chris Twisselmann's ranch 685 Comment
  CAS-BOT-BC398976  Stellaria nitens Ernest C. Twisselmann 1962-3-18 6708 San Luis Obispo Hills at summit of Palo Preita Canyon 632 Comment
  CAS-BOT-BC399836  Thalictrum polycarpum Ernest C. Twisselmann 1955-6-16 2146 San Luis Obispo La Panza Range. Queen Bee Road, .2 mile south of Pozo Grade Summit 798 Comment
  CAS-BOT-BC400165  Ceratophyllum demersum Ernest C. Twisselmann 1959-11-2 5902 San Luis Obispo Oso Flaco Lake 6 Comment
  CAS-BOT-BC400364  Anemopsis californica Ernest C. Twisselmann 1956-6-10 2923 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Ortega Spring, Palo Prieta Canyon 426 Comment
  CAS-BOT-BC400365  Anemopsis californica Ernest C. Twisselmann 1955-6-18 2175 San Luis Obispo Temblor Range and the Western San Joaquin Valley. San Juan Spring, near San Juan Ranch headquarters 533 Comment
  CAS-BOT-BC400366  Anemopsis californica Ernest C. Twisselmann 1955-6-18 2175 San Luis Obispo Temblor Range and the Western San Joaquin Valley. San Juan Spring, near San Juan Ranch headquarters 533 Comment
  CAS-BOT-BC40109  Arctostaphylos morroensis Ernest C. Twisselmann 1959-5-23 5272 San Luis Obispo Pecho Hills, just north of the mouth of Hazard Canyon (the type locality). 38 Comment
  CAS-BOT-BC40116  Arctostaphylos morroensis Ernest C. Twisselmann 1959-5-23 5272 San Luis Obispo Pecho Hills, just north of the mouth of Hazard Canyon 38 Comment
  CAS-BOT-BC401662  Argemone munita subsp. munita Ernest C. Twisselmann 1956-6-7 2901 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Wilkinson Canyon, San Juan Hills 487 Comment
  CAS-BOT-BC402326  Dicentra chrysantha Ernest C. Twisselmann 1955-5-27 2025 San Luis Obispo La Panza Range. Near the summit of Navajo Canyon 762 Comment
  CAS-BOT-BC402820  Eschscholzia caespitosa Ernest C. Twisselmann 1959-4-18 5065 San Luis Obispo Santa Margarita Region: low hills just west of Garden Farms 243 Comment
  CAS-BOT-BC402821  Eschscholzia caespitosa Ernest C. Twisselmann 1959-4-18 5065 San Luis Obispo Santa Margarita Region: low hills just west of Garden Farms 243 Comment
  CAS-BOT-BC402822  Eschscholzia caespitosa Ernest C. Twisselmann 1958-5-12 4457 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Elkhorn Scarp: canyon above the Van Matre Ranch 792 Comment
  CAS-BOT-BC403478  Eschscholzia californica Ernest C. Twisselmann 1966-9-10 12802 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Hills at the head of Palo Prieta Canyon 640 Comment
  CAS-BOT-BC403479  Eschscholzia californica Ernest C. Twisselmann 1954-4-12 1042 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Summit of Palo Prieta Pass 624 Comment
  CAS-BOT-BC403481  Eschscholzia californica Ernest C. Twisselmann 1962-5-20 7169 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Hills at the summit of Palo Prieta Canyon 685 Comment
  CAS-BOT-BC403505  Eschscholzia californica Ernest C. Twisselmann 1960-8-6 5981 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Choice Valley: Gillis Canyon Road 3/8 mile west of Bitterwater Road 678 Comment
  CAS-BOT-BC403507  Eschscholzia californica Ernest C. Twisselmann 1960-8-6 5981 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Choice Valley: Gillis Canyon Road 3/8 mile west of Bitterwater Road 678 Comment
  CAS-BOT-BC403508  Eschscholzia californica Ernest C. Twisselmann 1966-9-10 12802 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Hills at the head of Palo Prieta Canyon 640 Comment
  CAS-BOT-BC403511  Eschscholzia californica Ernest C. Twisselmann 1953-6-1 227 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Twisselmann Ranch: Eastern San Luis Obispo County Comment
  CAS-BOT-BC403513  Eschscholzia californica Ernest C. Twisselmann 1962-5-20 7169 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Hills at the summit of Palo Prieta Canyon 685 Comment
  CAS-BOT-BC403515  Eschscholzia californica Ernest C. Twisselmann 1959-4-19 5074 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Cholame: Highway U.S. 466 at the Palo Prieta Canyon Turnoff 396 Comment
  CAS-BOT-BC403516  Eschscholzia californica Ernest C. Twisselmann 1959-4-19 5074 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Cholame: Highway U.S. 466 at the Palo Prieta Canyon Turnoff 396 Comment
  CAS-BOT-BC403517  Eschscholzia californica Ernest C. Twisselmann 1959-4-18 5065 San Luis Obispo Santa Margarita Region: low hills just west of Garden Farms 243 Comment
  CAS-BOT-BC40354  Caulanthus lasiophyllus Ernest C. Twisselmann 1963-4-25 8105 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Goldtree Hills, 1.5 mile southwest of Grants Lake. 731 Comment
  CAS-BOT-BC40355  Caulanthus lasiophyllus Ernest C. Twisselmann 1963-4-25 8105 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Goldtree Hills, 1.5 mile southwest of Grants Lake. 731 Comment
  CAS-BOT-BC403861  Hesperocnide tenella Ernest C. Twisselmann 1956-5-7 2773 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Portagee Canyon, Red Hills 510 Comment
  CAS-BOT-BC403863  Hesperocnide tenella Ernest C. Twisselmann 1969-4-24 15193 San Luis Obispo Santa Ysabel Ranch, east side of the Salinas River 5 miles south of Paso Robles 228 Comment
  CAS-BOT-BC404022  Urtica dioica subsp. holosericea Ernest C. Twisselmann 1953-9-4 747 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Temblor Mountains: Horseshoe Canyon (7 miles east of Simmler) 883 Comment
  CAS-BOT-BC40466  Caulanthus inflatus Ernest C. Twisselmann 1954-5-1 1160 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Associated Ridge. 8 miles east of Simmler. 853 Comment
  CAS-BOT-BC40467  Caulanthus inflatus Ernest C. Twisselmann 1954-5-1 1160 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Associated Ridge. 8 miles east of Simmler. 853 Comment
  CAS-BOT-BC412527  Urtica urens Ernest C. Twisselmann 1963-8-23 8881 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Dorothy Twisselmann Ranch, eastern San Luis Obispo County 670 Comment
  CAS-BOT-BC412530  Urtica urens Ernest C. Twisselmann; Donald J. Bedell 1969-11-15 16335 San Luis Obispo Santa Ysabel Ranch, 5 miles south of Paso Robles 182 Comment
  CAS-BOT-BC412716  Hollisteria lanata Ernest C. Twisselmann 1954-6-12 1356 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Panorama Hills: 2 miles south of Crocker Grade, Southeastern San Luis Obispo County 640 Comment
  CAS-BOT-BC412717  Hollisteria lanata Ernest C. Twisselmann 1954-6-3 1315 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Summit of Palo Prieta Pass: 7 miles south of Cholame 670 Comment
  CAS-BOT-BC412719  Hollisteria lanata Ernest C. Twisselmann 1956-5-2 2732 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Hills at the summit of Palo Prieta Canyon 681 Comment
  CAS-BOT-BC414074  Polygonum aviculare subsp. aviculare Ernest C. Twisselmann 1954-6-14 1366 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta Summit: 8 miles south of Cholame 624 Comment
  CAS-BOT-BC414230  Polygonum aviculare subsp. depressum Ernest C. Twisselmann 1971-8-12 18068 San Luis Obispo Templeton 274 Comment
  CAS-BOT-BC41448  Eruca vesicaria subsp. sativa Ernest C. Twisselmann 1954-4-12 1046 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta Road at Cholame Creek Bridge. 426 Comment
  CAS-BOT-BC414804  Dudleya lanceolata Ernest C. Twisselmann 1955-6-16 2169 San Luis Obispo Upper Buckthorn canyon 609 Comment
  CAS-BOT-BC415976  Mucronea perfoliata Ernest C. Twisselmann 1954-6-7 1339 San Luis Obispo Temblor Range, San Joaquin Valley, summit of Palo Prieta Canyon, 7 miles S of Cholame (Palo Prieta Field, near Hardenburgh fence) 640 Comment
  CAS-BOT-BC416968  Dudleya pulverulenta Ernest C. Twisselmann 1956-6-13 2934 San Luis Obispo NE spur of Black Mountain, Shandon 541 Comment
  CAS-BOT-BC416969  Dudleya pulverulenta Ernest C. Twisselmann 1956-6-13 2934 San Luis Obispo NE spur of Black Mountain, Shandon 541 Comment
  CAS-BOT-BC419069  Persicaria lapathifolia Ernest C. Twisselmann 1952-8-1 129 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Twisselmann Ranch: 7 miles south of Cholame Comment
  CAS-BOT-BC420330  Boykinia occidentalis Ernest C. Twisselmann 1965-11-2 11716 San Luis Obispo Highway 1, just north of San Carpoforo Creek. 60 Comment
  CAS-BOT-BC420331  Boykinia occidentalis Ernest C. Twisselmann 1965-11-2 11716 San Luis Obispo Highway 1, just north of San Carpoforo Creek. 60 Comment
  CAS-BOT-BC421310  Pterostegia drymarioides Ernest C. Twisselmann 1969-4-24 15192 San Luis Obispo Santa Ysabel Ranch, east side of the Salinas River 5 miles south of Paso Robles. 228 Comment
  CAS-BOT-BC421561  Rumex crassus Ernest C. Twisselmann 1965-11-2 11687 San Luis Obispo Bluffs just north of San Simeon Beach State Park. 12 Comment
  CAS-BOT-BC421815  Rumex conglomeratus Ernest C. Twisselmann 1954-6-19 1382 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Twisselmann Ranch: Eastern San Luis Obispo County. Comment
  CAS-BOT-BC422073  Rumex acetosella Ernest C. Twisselmann 1965-11-2 11691 San Luis Obispo Arroyo de la Cruz (between Highway 1 and the ocean). 15 Comment
  CAS-BOT-BC422484  Glaucium flavum Ernest C. Twisselmann 1956-5-12 2785 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Choice Valley School 579 Comment
  CAS-BOT-BC422485  Glaucium flavum Ernest C. Twisselmann 1968-8-30 14916 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Choice Valley: 3/8 mile below the Choice Vally [Valley] School 563 Comment
  CAS-BOT-BC422486  Glaucium flavum Ernest C. Twisselmann 1968-8-30 14916 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Choice Valley: 3/8 mile below the Choice Valley School 563 Comment
  CAS-BOT-BC422570  Hesperomecon linearis Ernest C. Twisselmann 1955-5-27 2053 San Luis Obispo La Panza Range. Cammatta Canyon at Bethel Ranch fence. 533 Comment
  CAS-BOT-BC422571  Hesperomecon linearis Ernest C. Twisselmann 1955-5-27 2053 San Luis Obispo La Panza Range. Cammatta Canyon at Bethel Ranch fence. 533 Comment
  CAS-BOT-BC422572  Hesperomecon linearis Ernest C. Twisselmann 1958-4-10 4219 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta Canyon, 3 miles south of US466 487 Comment
  CAS-BOT-BC422574  Hesperomecon linearis Ernest C. Twisselmann 1958-4-10 4219 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta Canyon, 3 miles south of U.S. 466 487 Comment
  CAS-BOT-BC422576  Hesperomecon linearis Ernest C. Twisselmann 1962-3-26 6711 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta Canyon, 4 miles south of Cholame 563 Comment
  CAS-BOT-BC422578  Hesperomecon linearis Ernest C. Twisselmann 1954-4-12 1044 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Upper Palo Prieta Creek, 8 miles south of Cholame 594 Comment
  CAS-BOT-BC422839  Papaver hybridum Ernest C. Twisselmann 1962-4-29 7027 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Choice Valley Hills: hill just east of Sinsheimer Flat 624 Comment
  CAS-BOT-BC422840  Papaver hybridum Ernest C. Twisselmann 1962-4-29 7027 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Choice Valley Hills: hill just east of Sinsheimer Flat 624 Comment
  CAS-BOT-BC422841  Papaver hybridum Ernest C. Twisselmann 1962-4-29 7025 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Choice Valley Hills: hillslope on the southeast side of Sinsheimer Flat 632 Comment
  CAS-BOT-BC422842  Papaver hybridum Ernest C. Twisselmann 1962-4-29 7025 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Choice Valley Hills: hillslope on the southeast side of Sinsheimer Flat 632 Comment
  CAS-BOT-BC422848  Papaver rhoeas Ernest C. Twisselmann 1960-5-16 5965 San Luis Obispo Paso Robles: Railroad Depot. 225 Comment
  CAS-BOT-BC422849  Papaver rhoeas Ernest C. Twisselmann 1960-5-16 5965 San Luis Obispo Paso Robles: Railroad Depot. 225 Comment
  CAS-BOT-BC422999  Stylomecon heterophylla Ernest C. Twisselmann 1954-4-17 1065 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Twisselmann Ranch: hill above spring lake 670 Comment
  CAS-BOT-BC423000  Stylomecon heterophylla Ernest C. Twisselmann 1954-4-17 1065 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch: summit of Palo Prieta Pass 670 Comment
  CAS-BOT-BC423002  Stylomecon heterophylla Ernest C. Twisselmann 1958-5-12 4459 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Elkhorn Scarp: canyon above the Van Matre Ranch 792 Comment
  CAS-BOT-BC423004  Stylomecon heterophylla Ernest C. Twisselmann 1962-4-29 7026 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Choice Valley Hills: low hills about 0.5 mile south of Sincheimer [Sinsheimer] Flat 624 Comment
  CAS-BOT-BC426311  Chenopodium Ernest C. Twisselmann 1954-7-18 1440 San Luis Obispo Temblor Range and Western San Joaquin Valley: Choice Valley Road, 1.5 miles S of Palo Prieta Summit 579 Comment
  CAS-BOT-BC427642  Crassula aquatica Ernest C. Twisselmann 1969-5-19 15308 San Luis Obispo Estrella Plains: 0.5 mile north of Highway 46 on Jardine Road. 213 Comment
  CAS-BOT-BC427823  Crassula connata Ernest C. Twisselmann 1963-4-24 8101 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta Canyon, near the summit 579 Comment
  CAS-BOT-BC427825  Crassula connata Ernest C. Twisselmann 1960-3-30 5914 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Portagee Canyon, a fork of Gillis Canyon 502 Comment
  CAS-BOT-BC428917  Micranthes californica Ernest C. Twisselmann 1956-4-3 2612 San Luis Obispo La Panza Range. Upper Navajo Canyon. 740 Comment
  CAS-BOT-BC431347  Nemacladus californicus Ernest C. Twisselmann 1957-5-3 3485 San Luis Obispo Bill Hill Ranch, at the foot of Caliente Mountain 701 Comment
  CAS-BOT-BC43219  Descurainia pinnata subsp. brachycarpa Ernest C. Twisselmann 1955-3-22 1757 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Plains 2 miles east of Soda Lake. 640 Comment
  CAS-BOT-BC433345  Rumex crispus Ernest C. Twisselmann 1954-4-28 1114 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch: Eastern San Luis Obispo County. 640 Comment
  CAS-BOT-BC433347  Rumex crispus Ernest C. Twisselmann 1954-6-16 1374 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Eben McMillan Ranch: Phelps Spring; Eastern San Luis Obispo County. 701 Comment
  CAS-BOT-BC433348  Rumex crispus Ernest C. Twisselmann 1952-5-5 130 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Choice Valley: Bitterwater Road at the junction with Gillis Canyon Road 655 Comment
  CAS-BOT-BC433349  Rumex crispus Ernest C. Twisselmann 1952-8-18 132 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Phelps Spring, Eben McMillan Ranch 670 Comment
  CAS-BOT-BC433603  Rumex hymenosepalus Ernest C. Twisselmann 1955-4-9 1825 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Red Hills, 7.6 miles southeast of Shandon 420 Comment
  CAS-BOT-BC433604  Rumex hymenosepalus Ernest C. Twisselmann 1955-4-9 1825 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Red Hills, 7.6 miles southeast of Shandon 420 Comment
  CAS-BOT-BC433811  Rumex pulcher Ernest C. Twisselmann 1956-8-1 3105 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch, eastern San Luis Obispo County. 670 Comment
  CAS-BOT-BC433812  Rumex pulcher Ernest C. Twisselmann 1956-8-1 3105 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch, eastern San Luis Obispo County. 670 Comment
  CAS-BOT-BC433988  Rumex salicifolius Ernest C. Twisselmann 1955-10-1 2431 San Luis Obispo Southwest end of Morro Bay 0 Comment
  CAS-BOT-BC433989  Rumex salicifolius Ernest C. Twisselmann 1955-10-1 2431 San Luis Obispo Southwest end of Morro Bay 0 Comment
  CAS-BOT-BC433990  Rumex salicifolius Ernest C. Twisselmann 1954-10-9 1615 San Luis Obispo Temblor Range and the Western San Joaquin Valley. San Andreas Fault at Summit of Palo Prieta Canyon 670 Comment
  CAS-BOT-BC433992  Rumex salicifolius Ernest C. Twisselmann 1953-7-25 134 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Twisselmann Ranch, 7 miles south of Cholame Comment
  CAS-BOT-BC435660  Lithophragma heterophyllum Ernest C. Twisselmann 1956-5-15 2791 San Luis Obispo Cayucos Road near Glenbrook Farm, Santa Lucia Range 243 Comment
  CAS-BOT-BC438521  Calandrinia ciliata Ernest C. Twisselmann 1954-5-1 1158 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Summit of Associated Ridges, 9 miles east of Simmler 1005 Comment
  CAS-BOT-BC438902  Cistanthe monandra Ernest C. Twisselmann 1955-5-18 1999 San Luis Obispo Temblor Range and the Western San Joaquin Valley. San Juan River Valley, 8.6 miles south of Shandon 426 Comment
  CAS-BOT-BC438903  Cistanthe monandra Ernest C. Twisselmann 1955-5-18 1999 San Luis Obispo Temblor Range and the Western San Joaquin Valley. San Juan River Valley, 8.6 miles south of Shandon 426 Comment
  CAS-BOT-BC439583  Claytonia parviflora subsp. parviflora Ernest C. Twisselmann 1954-4-12 1043 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Twisselmann Ranch: 1/2 mile east of Palo Prieta Summit 621 Comment
  CAS-BOT-BC439584  Claytonia parviflora subsp. parviflora Ernest C. Twisselmann 1954-4-12 1043 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Twisselmann Ranch: 1/2 mile east of Palo Prieta Summit Comment
  CAS-BOT-BC439585  Claytonia parviflora subsp. parviflora Ernest C. Twisselmann 1952-3-1 199 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch Comment
  CAS-BOT-BC445281  Portulaca oleracea Ernest C. Twisselmann 1954-10-9 1613 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch: Eastern San Luis Obispo County. 640 Comment
  CAS-BOT-BC452014  Phyllospadix scouleri Ernest C. Twisselmann 1967-4-27 12911 San Luis Obispo Point 2.9 miles south of Piedras Blancas Point. Comment
  CAS-BOT-BC452065  Phyllospadix torreyi Ernest C. Twisselmann 1967-4-27 12910 San Luis Obispo Point 2.9 miles south of Piedras Blancas Point. Comment
  CAS-BOT-BC453991  Potamogeton pectinatus Ernest C. Twisselmann 1969-10-22 16320 San Luis Obispo Temblor Range and the Western San Joaquin Valley. O'Brien Lake, San Andreas Fault at the summit of Palo Prieta Canyon 655 Comment
  CAS-BOT-BC453993  Potamogeton pectinatus Ernest C. Twisselmann 1959-11-2 5903 San Luis Obispo Small stream at the outlet of Oso Flaco Lake. 4 Comment
  CAS-BOT-BC454047  Potamogeton pusillus subsp. pusillus Ernest C. Twisselmann 1969-10-29 16322 San Luis Obispo Temblor Range and the Western San Joaquin Valley. O'Brien Lake, San Andreas Fault at the summit of Palo Prieta Canyon 655 Comment
  CAS-BOT-BC454048  Potamogeton pusillus subsp. pusillus Ernest C. Twisselmann 1969-10-29 16322 San Luis Obispo Temblor Range and the Western San Joaquin Valley. O'Brien Lake, San Andreas Fault at the summit of Palo Prieta Canyon 655 Comment
  CAS-BOT-BC456122  Zannichellia palustris Ernest C. Twisselmann 1954-7-18 1441 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Twisselmann Ranch: Eastern San Luis Obispo County Comment
  CAS-BOT-BC456208  Najas marina Ernest C. Twisselmann 1959-11-2 5901 San Luis Obispo Oso Flaco Lake. 6 Comment
  CAS-BOT-BC456210  Najas marina Ernest C. Twisselmann 1956-11-3 3221 San Luis Obispo La Panza Range. Santa Margarita Lake near the dam. 400 Comment
  CAS-BOT-BC46063  Agoseris heterophylla var. cryptopleura Ernest C. Twisselmann 1955-5-4 1918 San Luis Obispo Palo Prieta Canyon, 5 1/2 miles south of Cholame 594 Comment
  CAS-BOT-BC468969  Allium diabolense Ernest C. Twisselmann 1969-5-7 15221 San Luis Obispo Palo Prieta Canyon, Temblor Range, Western San Joaquin Valley 563 Comment
  CAS-BOT-BC46936  Androsace elongata subsp. acuta Ernest C. Twisselmann 1954-3-11 867 San Luis Obispo Phelps Hill: McMillan Ranch, Palo Prieta Summit. Shandon.Temblor Range. 685 Comment
  CAS-BOT-BC470934  Allium howellii var. howellii Ernest C. Twisselmann 1955-4-6 1819 San Luis Obispo Summit of Crocker Pass, Southeastern San Luis Obispo County; the Temblor Range and Western San Joaquin Valley 883 Comment
  CAS-BOT-BC470935  Allium howellii var. howellii Ernest C. Twisselmann 1955-4-6 1819 San Luis Obispo Summit of Crocker Pass, Southeastern San Luis Obispo County; the Temblor Range and Western San Joaquin Valley 883 Comment
  CAS-BOT-BC470936  Allium howellii var. howellii Ernest C. Twisselmann 1958-4-29 4386 San Luis Obispo Alkali plains about 1 mile north of Soda Lake, Southeastern San Luis Obispo County; the Temblor Range and Western San Joaquin Valley 617 Comment
  CAS-BOT-BC472717  Allium lacunosum var. lacunosum Ernest C. Twisselmann 1955-5-27 2040 San Luis Obispo Cammatta Road, 3/8 mile east of Honey Bee Mine, upper Cammatta Canyon, La Panza Range 640 Comment
  CAS-BOT-BC472725  Allium lacunosum var. lacunosum Ernest C. Twisselmann 1958-4-29 4389 San Luis Obispo Soda Lake Road at Werling Ranch, Temblor Range and the Western San Joaquin Valley 609 Comment
  CAS-BOT-BC472748  Allium lacunosum var. micranthum Ernest C. Twisselmann 1955-5-27 2040 San Luis Obispo Cammatta Road, 3/8 mile east of Honey Bee Mine, upper Cammatta Canyon 640 Comment
  CAS-BOT-BC47687  Armeria maritima subsp. californica Ernest C. Twisselmann 1959-5-6 5197 San Luis Obispo Lanta Lucia Range: Highway 1, just north of Cambria 6 Comment
  CAS-BOT-BC47688  Armeria maritima subsp. californica Ernest C. Twisselmann 1967-4-27 12923 San Luis Obispo Mesa northeast of Piedras Blancas Point 4 Comment
  CAS-BOT-BC47690  Armeria maritima subsp. californica Ernest C. Twisselmann 1967-4-27 12923 San Luis Obispo Mesa northeast of Piedras Blancas Point Comment
  CAS-BOT-BC478843  Asparagus officinalis Ernest C. Twisselmann 1958-8-23 4736 San Luis Obispo Dorothy Twisselman Ranch, Temblor Range and the Western San Joaquin Valley 670 Comment
  CAS-BOT-BC478914  Bloomeria crocea var. crocea Ernest C. Twisselmann 1963-6-9 8387 San Luis Obispo Hills at the summit of Palo Prieta Canyon 678 Comment
  CAS-BOT-BC478916  Bloomeria crocea var. crocea Ernest C. Twisselmann 1967-6-11 13309 San Luis Obispo Big hill just east of the Dorothy Twisselmann Ranch 685 Comment
  CAS-BOT-BC478917  Bloomeria crocea var. crocea Ernest C. Twisselmann 1963-6-9 8387 San Luis Obispo Hills at the summit of Palo Prieta Canyon 678 Comment
  CAS-BOT-BC484276  Brodiaea elegans subsp. elegans Ernest C. Twisselmann 1956-6-13 2933 San Luis Obispo La Panza Range, Northeast spur of Black Mountain 541 Comment
  CAS-BOT-BC484531  Brodiaea jolonensis Ernest C. Twisselmann 1956-6-13 2933 San Luis Obispo Northeast spur of Black Mountain 541 Comment
  CAS-BOT-BC484533  Brodiaea jolonensis Ernest C. Twisselmann 1969-5-19 15306 San Luis Obispo Estrella Plains: 0.5 mile north of Highway 46 on Jardine Road 213 Comment
  CAS-BOT-BC49002  Ceanothus cuneatus Ernest C. Twisselmann 1968-5-13 14204 San Luis Obispo Head of Cammatta Canyon at the Cottingham place 609 Comment
  CAS-BOT-BC49003  Ceanothus cuneatus Ernest C. Twisselmann 1956-4-3 2609 San Luis Obispo Upper Cammatta Canyon 502 Comment
  CAS-BOT-BC49004  Ceanothus cuneatus Ernest C. Twisselmann 1968-5-13 14204 San Luis Obispo Head of Cammatta Canyon at the Cottingham place 609 Comment
  CAS-BOT-BC49015  Ceanothus cuneatus Ernest C. Twisselmann 1956-4-3 2609 San Luis Obispo Upper Cammatta Canyon 502 Comment
  CAS-BOT-BC492197  Calochortus albus Ernest C. Twisselmann 1960-5-17 5969 San Luis Obispo Adelaide Road, 2.6 miles west of Paso RObles. 341 Comment
  CAS-BOT-BC496857  Calochortus venustus Ernest C. Twisselmann 1955-5-27 2021 San Luis Obispo Navajo Canyon, La Panza Mountains 655 Comment
  CAS-BOT-BC496858  Calochortus venustus Ernest C. Twisselmann 1955-5-27 116 San Luis Obispo Summit above Mariannas Spring 1005 Comment
  CAS-BOT-BC497735  Chlorogalum pomeridianum Ernest C. Twisselmann 1955-6-16 2148 San Luis Obispo Queen Bee Road, 1mile south of Pozo Grade, Shandon 685 Comment
  CAS-BOT-BC500164  Orobanche fasciculata Ernest C. Twisselmann 1969-5-7 15226 San Luis Obispo Temblor Range and Western San Joaquin Valley: Palo Prieta Canyon 563 Comment
  CAS-BOT-BC500817  Dichelostemma capitatum Ernest C. Twisselmann 1954-4-12 1038 San Luis Obispo Twisselmann Ranch: O Brian field 579 Comment
  CAS-BOT-BC500818  Dichelostemma capitatum Ernest C. Twisselmann 1952-4-10 111 San Luis Obispo Twisselmann Ranch: 7 miles south of Cholame, north slope, Spring Lake Canyon Comment
  CAS-BOT-BC500819  Dichelostemma capitatum Ernest C. Twisselmann 1954-4-12 1038 San Luis Obispo Chris Twisselmann Ranch: Eastern S. L.O. Co., 579 Comment
  CAS-BOT-BC508568  Muilla maritima Ernest C. Twisselmann 1969-4-9 15102 San Luis Obispo North side of Shell Creek, La Panza Range 480 Comment
  CAS-BOT-BC508569  Muilla maritima Ernest C. Twisselmann 1969-4-9 15102 San Luis Obispo North side of Shell Creek, La Panza Range 480 Comment
  CAS-BOT-BC514340  Eriastrum densifolium subsp. austromontanum Ernest C. Twisselmann 1955-6-16 2180 San Luis Obispo La Panza Range. Syncline Hill, 1 mi W of San Juan River [A. Day queried: east of?] on Carrisa Plains Road 548 Comment
  CAS-BOT-BC52268  Ceanothus thyrsiflorus Ernest C. Twisselmann 1967-4-27 12927 San Luis Obispo South side of San Carpoforo Creek 53 Comment
  CAS-BOT-BC52269  Ceanothus thyrsiflorus Ernest C. Twisselmann 1967-4-27 12927 San Luis Obispo South side of San Carpoforo Creek 53 Comment
  CAS-BOT-BC530580  Zigadenus fremontii Ernest C. Twisselmann 1956-4-3 2616 San Luis Obispo La Panza Range, hills between Navajo and Cammatta Canyons 624 Comment
  CAS-BOT-BC534288  Zigadenus venenosus Ernest C. Twisselmann 1968-6-3 14319 San Luis Obispo La Panza Range, Fernandez Creek 792 Comment
  CAS-BOT-BC534391  Lemna gibba Ernest C. Twisselmann 1969-8-23 15930 San Luis Obispo Loffaly Spring, hills at the head of Palo Prieta Canyon 655 Comment
  CAS-BOT-BC534671  Lemna minuta Ernest C. Twisselmann 1967-9-9 13693 San Luis Obispo Ortega Spring, Palo Prieta Canyon, Temblor Range and Western San Joaquin Valley 598 Comment
  CAS-BOT-BC534672  Lemna minuta Ernest C. Twisselmann 1955-9-1 2370 San Luis Obispo Salinas River, 1 mile southwest of Pozo. La Panza Range 426 Comment
  CAS-BOT-BC534673  Lemna minuta Ernest C. Twisselmann 1956-8-8 3112 San Luis Obispo Ortega Spring, palo Prieta Canyon, Temblor Range and the Western San Joaquin Valley 426 Comment
  CAS-BOT-BC537328  Horkelia cuneata var. cuneata Ernest C. Twisselmann 1956-4-10 2634 San Luis Obispo Nipomo Mesa, 1/2 mile E of the Union Oil Refinery 33 Comment
  CAS-BOT-BC54471  Erysimum capitatum Ernest C. Twisselmann 1954-3-21 906 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta Canyon, 6 miles south of US 466. 579 Comment
  CAS-BOT-BC54472  Erysimum capitatum Ernest C. Twisselmann 1954-3-21 906 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta Canyon, 6 miles south of US 466. 579 Comment
  CAS-BOT-BC54473  Erysimum capitatum Ernest C. Twisselmann 1955-6-16 2147 San Luis Obispo La Panza Range. Queen Bee Road, 0.2 mile south of Pozo Grade Summit. 798 Comment
  CAS-BOT-BC54474  Erysimum capitatum Ernest C. Twisselmann 1955-6-16 2147 San Luis Obispo La Panza Range. Queen Bee Road, 0.2 mile south of Pozo Grade Summit. 798 Comment
  CAS-BOT-BC55422  Hirschfeldia incana Ernest C. Twisselmann 1954-7-2 1417 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Jackson Place. 2 miles south of Grant's Lake, eastern SLO county. 533 Comment
  CAS-BOT-BC55423  Hirschfeldia incana Ernest C. Twisselmann 1967-9-8 13669 San Luis Obispo Temblor Range and the Western San Joaquin Valley. T. Franklin Twisselmann residence, Choice Valley. 640 Comment
  CAS-BOT-BC55424  Hirschfeldia incana Ernest C. Twisselmann 1967-9-8 13669 San Luis Obispo Temblor Range and the Western San Joaquin Valley. T. Franklin Twisselmann residence, Choice Valley. 640 Comment
  CAS-BOT-BC56089  Rhamnus ilicifolia Ernest C. Twisselmann 1969-4-24 15194 San Luis Obispo Santa Ysabel Ranch, east side of the Salinas River 5 miles south of Paso Robles 228 Comment
  CAS-BOT-BC56090  Rhamnus ilicifolia Ernest C. Twisselmann 1952-7-12 317 San Luis Obispo Temblor Mountains: 1 1/2 miles south of Mariannas Ranch on Skyline Road 1051 Comment
  CAS-BOT-BC56091  Rhamnus ilicifolia Ernest C. Twisselmann 1964-10-1 10295 San Luis Obispo Palo Prieta Canyon 396 Comment
  CAS-BOT-BC56092  Rhamnus ilicifolia Ernest C. Twisselmann 1964-10-1 10295 San Luis Obispo Palo Prieta Canyon 396 Comment
  CAS-BOT-BC56878  Opuntia phaeacantha Ernest C. Twisselmann 1959-11-2 5908 San Luis Obispo Field redacted by CAS, contact the data manager for more information 45 Comment
  CAS-BOT-BC56879  Opuntia phaeacantha Ernest C. Twisselmann 1959-11-2 5908 San Luis Obispo Field redacted by CAS, contact the data manager for more information 45 Comment
  CAS-BOT-BC57597  Equisetum telmateia Ernest C. Twisselmann 1955-7-31 2290 San Luis Obispo Cambria, near Cambria Pines Lodge 22 Comment
  CAS-BOT-BC60208  Lobularia maritima Ernest C. Twisselmann 1955-10-1 2417 San Luis Obispo Morro Bay State Park. Between the golf course and the bay. 3 Comment
  CAS-BOT-BC60483  Nasturtium officinale Ernest C. Twisselmann 1954-6-27 1405 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Mariannas Spring, Temblor Mountains. 853 Comment
  CAS-BOT-BC60937  Stanleya pinnata Ernest C. Twisselmann 1951-1-1 229 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Lower Associated Canyon, Carissa Plain. Comment
  CAS-BOT-BC60938  Stanleya pinnata Ernest C. Twisselmann 1955-6-4 2080 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Crocker Canyon, easter SLO county. 944 Comment
  CAS-BOT-BC60940  Stanleya pinnata Ernest C. Twisselmann 1958-5-12 4454 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Elkhorn Scarp, canyon above the Van Matre Ranch. 762 Comment
  CAS-BOT-BC60941  Stanleya pinnata Ernest C. Twisselmann 1958-5-12 4454 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Elkhorn Scarp, canyon above the Van Matre Ranch. 762 Comment
  CAS-BOT-BC60942  Stanleya pinnata Ernest C. Twisselmann 1954-5-1 1137 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Lower Associated Spring, Associated Canyon, 5 miles east of Simmler. 670 Comment
  CAS-BOT-BC61599  Quercus lobata Ernest C. Twisselmann 1953-9-25 791 San Luis Obispo Palo Prieta Canyon: creek bed, 1 mile west og Highway US 466 487 Comment
  CAS-BOT-BC61600  Quercus lobata Ernest C. Twisselmann 1956-8-8 3111 San Luis Obispo Near Ortega Spring, Palo Prieta Canyon 420 Comment
  CAS-BOT-BC62833  Quercus lobata Ernest C. Twisselmann 1956-8-8 3111 San Luis Obispo Near Ortega Spring, Palo Prieta Canyon 420 Comment
  CAS-BOT-BC63338  Ceanothus spinosus Ernest C. Twisselmann 1959-4-10 5037 San Luis Obispo Shandon. Irish Hills: Perfumo Canyon. 152 Comment
  CAS-BOT-BC63452  Ceanothus palmeri Ernest C. Twisselmann 1955-6-23 2192 San Luis Obispo Upper San Emigdio Canyon. 1493 Comment
Read comments
Dec 8 2017
  CAS-BOT-BC64107  Ancistrocarphus filagineus Ernest C. Twisselmann 1952-5-2 546 San Luis Obispo Wolf Place, 8 miles sout of Cholame Comment
  CAS-BOT-BC64110  Ancistrocarphus filagineus Ernest C. Twisselmann 1954-5-13 1232 San Luis Obispo Upper Horseshoe Canyon, Temblor Mountains 853 Comment
  CAS-BOT-BC64111  Ancistrocarphus filagineus Ernest C. Twisselmann 1954-5-13 1232 San Luis Obispo Upper Horseshoe Canyon, Temblor Mountains 853 Comment
  CAS-BOT-BC64353  Ceanothus foliosus Ernest C. Twisselmann 1955-5-27 2028 San Luis Obispo La Panza Range. Black Mountain. Shandon. 868 Comment
  CAS-BOT-BC64354  Ceanothus foliosus Ernest C. Twisselmann 1955-5-27 2028 San Luis Obispo La Panza Range. Black Mountain. Shandon. 868 Comment
  CAS-BOT-BC64466  Ceanothus cuneatus subsp. fascicularis Ernest C. Twisselmann 1959-5-23 5273 San Luis Obispo Pecho Hills, just n. of the mouth of Hazard Canyon. Shandon. 38 Comment
  CAS-BOT-BC65876  Aspidotis densa Ernest C. Twisselmann 1956-11-7 3230 San Luis Obispo Santa Lucia Range: Cypress Swamp, Cypress Mountain 640 Comment
  CAS-BOT-BC66615  Thysanocarpus curvipes Ernest C. Twisselmann 1953-3-7 252 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta Canyon, 6 miles south of Cholame. Comment
  CAS-BOT-BC66617  Thysanocarpus curvipes Ernest C. Twisselmann 1954-3-6 854 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Summit of Palo Prieta Creek, 6 miles south of Cholame. Comment
  CAS-BOT-BC66618  Thysanocarpus curvipes Ernest C. Twisselmann 1955-4-23 1888 San Luis Obispo Temblor Range and the Western San Joaquin Valley. San Andreas fault at summit of Palo Prieta Canyon (above Spring Lake). 685 Comment
  CAS-BOT-BC66620  Thysanocarpus curvipes Ernest C. Twisselmann 1962-4-7 6765 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Choice Valley, 3/8 mile west of Choice Valley School. 579 Comment
  CAS-BOT-BC66621  Thysanocarpus curvipes Ernest C. Twisselmann 1962-4-7 6765 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Choice Valley, 3/8 mile west of Choice Valley School. 579 Comment
  CAS-BOT-BC66622  Thysanocarpus curvipes Ernest C. Twisselmann 1971-4-10 17574 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Goldtree Hills, southwest of Grants Lake. 548 Comment
  CAS-BOT-BC66623  Thysanocarpus curvipes Ernest C. Twisselmann 1971-4-10 17574 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Goldtree Hills, southwest of Grants Lake. 548 Comment
  CAS-BOT-BC68926  Adiantum jordanii Ernest C. Twisselmann 1955-7-31 2292 San Luis Obispo Santa Rosa Canyon, near Mammoth Rock 121 Comment
  CAS-BOT-BC68929  Adiantum jordanii Ernest C. Twisselmann 1956-2-20 2514 San Luis Obispo La Panza Range: Sycamore Canyon (Pozo Grade). 603 Comment
  CAS-BOT-BC68930  Adiantum jordanii Ernest C. Twisselmann 1956-2-20 2514 San Luis Obispo La Panza Range - Sycamore Canyon (Pozo Grade). 603 Comment
  CAS-BOT-BC68931  Adiantum jordanii Ernest C. Twisselmann; Donald J. Bedell 1968-3-6 14045 San Luis Obispo La Panza Range - La Panza Public Camp 603 Comment
  CAS-BOT-BC68932  Adiantum jordanii Ernest C. Twisselmann; Donald J. Bedell 1968-3-6 14045 San Luis Obispo La Panza Range - La Panza Public Camp 603 Comment
  CAS-BOT-BC69239  Pellaea andromedifolia Ernest C. Twisselmann 1955-6-16 2166 San Luis Obispo Queen Bee Road, .7 mile south of Pozo Grade Summit 701 Comment
  CAS-BOT-BC69243  Pellaea andromedifolia Ernest C. Twisselmann 1956-5-7 2774 San Luis Obispo Portagee Canyon, fork of Gillis Canyon 487 Comment
  CAS-BOT-BC69244  Pellaea andromedifolia Ernest C. Twisselmann 1956-5-7 2774 San Luis Obispo Portagee Canyon, fork of Gillis Canyon 487 Comment
  CAS-BOT-BC69787  Selaginella bigelovii Ernest C. Twisselmann 1964-12-3 10407 San Luis Obispo Nacimiento Creek near Nacimiento Public Camp. 484 Comment
  CAS-BOT-BC69788  Selaginella bigelovii Ernest C. Twisselmann 1964-12-3 10407 San Luis Obispo Nacimiento Creek near Nacimiento Public Camp. 484 Comment
  CAS-BOT-BC70226  Pentagramma triangularis subsp. triangularis Ernest C. Twisselmann 1956-2-20 2513 San Luis Obispo Sycamore Canyon (Pozo Grade) 606 Comment
  CAS-BOT-BC70227  Pentagramma triangularis subsp. triangularis Ernest C. Twisselmann 1956-11-7 3229 San Luis Obispo Santa Lucia Range: Cypress Mountain 594 Comment
  CAS-BOT-BC70977  Dryopteris arguta Ernest C. Twisselmann 1956-11-7 3233 San Luis Obispo Santa Lucia Range: canyon bottom 0.25 mile northwest of Cypress Swamp, Cypress Mountain 579 Comment
  CAS-BOT-BC70978  Dryopteris arguta Ernest C. Twisselmann 1956-11-7 3233 San Luis Obispo Santa Lucia Range: canyon bottom 0.25 mile northwest of Cypress Swamp, Cypress Mountain 579 Comment
  CAS-BOT-BC71811  Pilularia americana Ernest C. Twisselmann 1969-4-28 15219 San Luis Obispo Estrella Plains: Highway 46 1.5 miles east of Paso Robles 205 Comment
  CAS-BOT-BC72650  Pteridium aquilinum Ernest C. Twisselmann 1955-7-31 2296 San Luis Obispo Jack Creek at York Mountain 289 Comment
  CAS-BOT-BC73707  Peritoma arborea var. globosa Ernest C. Twisselmann 1954-6-12 1351 San Luis Obispo Temblor Range and the Western San Joaquin Valley, Southern Temblor Mountains - Canyon 2.6 miles S of West Crocker Grade 701 Comment
  CAS-BOT-BC73838  Tropidocarpum gracile Ernest C. Twisselmann 1962-3-19 6709 San Luis Obispo Temblor Range and Western San Joaquin Valley. Choice Valley, 0.25 mile south of Grant's Lake. 563 Comment
  CAS-BOT-BC75147  Sisymbrium altissimum Ernest C. Twisselmann 1956-6-26 3008 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Carrisa Plains. Bitterwater Road immediately west of McKittrick Hwy. 609 Comment
  CAS-BOT-BC75148  Sisymbrium altissimum Ernest C. Twisselmann 1956-6-26 3008 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Carrisa Plains. Bitterwater Road immediately west of McKittrick Hwy. 609 Comment
  CAS-BOT-BC75257  Sisymbrium irio Ernest C. Twisselmann 1954-6-12 1363 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Elkhorn Plain. 655 Comment
  CAS-BOT-BC75258  Sisymbrium irio Ernest C. Twisselmann 1954-6-12 1363 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Elkhorn Plain. 655 Comment
  CAS-BOT-BC75336  Sisymbrium officinale Ernest C. Twisselmann 1969-4-24 15196 San Luis Obispo Santa Ysabel Ranch, east side of the Salinas River 5 miles south of Paso Robles. 228 Comment
  CAS-BOT-BC75450  Sisymbrium orientale Ernest C. Twisselmann 1955-6-14 2145 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Engelke Ranch, Gillis Canyon. 487 Comment
  CAS-BOT-BC75452  Sisymbrium orientale Ernest C. Twisselmann 1956-6-11 2922 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Ortega Place, Palo Prieta Canyon. 441 Comment
  CAS-BOT-BC75458  Sisymbrium orientale Ernest C. Twisselmann 1969-4-24 15155 San Luis Obispo La Panza Range. Bedell Ranch, 5 miles southeast of Creston. 350 Comment
  CAS-BOT-BC75459  Sisymbrium orientale Ernest C. Twisselmann 1969-4-24 15155 San Luis Obispo La Panza Range. Bedell Ranch, 5 miles southeast of Creston. 350 Comment
  CAS-BOT-BC76459  Eschscholzia lemmonii Ernest C. Twisselmann 1953-3-18 225 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Associated Ridges, 7 miiles east of Simmler. 975 Comment
  CAS-BOT-BC76463  Eschscholzia lemmonii Ernest C. Twisselmann 1955-4-6 1802 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Croker Canyon. 822 Comment
  CAS-BOT-BC76464  Eschscholzia lemmonii Ernest C. Twisselmann 1958-5-12 4457 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Elkhorn Scarp. Canyon above the Matre Ranch. 792 Comment
  CAS-BOT-BC76466  Eschscholzia lemmonii Ernest C. Twisselmann 1962-3-18 6702 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Hills at the summit of Palo Prieta Canyon. 655 Comment
  CAS-BOT-BC76467  Eschscholzia lemmonii Ernest C. Twisselmann 1962-3-18 6702 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Hills at the summit of Palo Prieta Canyon. 655 Comment
  CAS-BOT-BC76469  Eschscholzia lemmonii Ernest C. Twisselmann 1962-3-26 6713 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta Canyon, 3.5 miles south of Cholame. 579 Comment
  CAS-BOT-BC76470  Eschscholzia lemmonii Ernest C. Twisselmann 1962-4-2 6750 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Davidson Hills just east of Grant's Lake. 594 Comment
  CAS-BOT-BC76471  Eschscholzia lemmonii Ernest C. Twisselmann 1962-4-2 6750 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Davidson Hills just east of Grant's Lake. 594 Comment
  CAS-BOT-BC7874  Delphinium parryi subsp. blochmaniae Ernest C. Twisselmann 1956-4-10 2635 San Luis Obispo Nipomo Mesa, 1.5 miles east of the Union Oil Refinery 33 Comment
  CAS-BOT-BC79226  Quercus dumosa Ernest C. Twisselmann 1970-10-31 17563 San Luis Obispo Peachey Canyon Road, 8.2 miles W of Paso Robles 487 Comment
  CAS-BOT-BC79227  Quercus dumosa Ernest C. Twisselmann 1970-10-31 17563 San Luis Obispo Peachey Canyon Road, 8.2 miles W of Paso Robles 487 Comment
  CAS-BOT-BC79228  Quercus dumosa Ernest C. Twisselmann 1970-10-31 17564 San Luis Obispo Peachey Canyon Road, 6.2 miles W of Paso Robles 426 Comment
  CAS-BOT-BC79322  Quercus dumosa Ernest C. Twisselmann 1968-3-6 14046 San Luis Obispo La Panza Public Camp, the La Panza Range 603 Comment
  CAS-BOT-BC80887  Cupressus sargentii Ernest C. Twisselmann 1956-11-7 3226 San Luis Obispo Santa Lucia Range: Cypress Swamp, Cypress Mountain 640 Comment
  CAS-BOT-BC80888  Cupressus sargentii Ernest C. Twisselmann 1956-11-11 3227 San Luis Obispo Santa Lucia Range: Cypress Swamp on Cypress Mountain 640 Comment
  CAS-BOT-BC80896  Cupressus sargentii Ernest C. Twisselmann 1956-11-7 3226 San Luis Obispo Cypress Swamp, Santa Lucia Mountains 640 Comment
  CAS-BOT-BC81058  Juniperus californica Ernest C. Twisselmann; Donald J. Bedell 1969-11-15 16331 San Luis Obispo Sulfur Springs Canyon, Santa Ysabel Ranch, 5 miles south of Paso Robles 205 Comment
  CAS-BOT-BC81059  Juniperus californica Ernest C. Twisselmann; Donald J. Bedell 1969-11-15 16331 San Luis Obispo Sulfur Springs Canyon, Santa Ysabel Ranch, 5 miles south of Paso Robles 205 Comment
  CAS-BOT-BC82995  Dendromecon rigida Ernest C. Twisselmann 1955-5-27 2020 San Luis Obispo La Panza Range. Navajo Canyon, La Panza Mountains. 655 Comment
  CAS-BOT-BC82996  Dendromecon rigida Ernest C. Twisselmann 1955-5-27 2020 San Luis Obispo La Panza Range. Navajo Canyon, La Panza Mountains. 655 Comment
  CAS-BOT-BC84822  Artemisia douglasiana Ernest C. Twisselmann 1956-11-3 3216 San Luis Obispo La Panza Range - Salinas River at the base of Salinas Dam. 400 Comment
  CAS-BOT-BC84823  Artemisia douglasiana Ernest C. Twisselmann 1956-11-3 3215 San Luis Obispo La Panza Range - Salinas River at the base of Salinas Dam. 400 Comment
  CAS-BOT-BC84824  Artemisia douglasiana Ernest C. Twisselmann 1956-11-3 3216 San Luis Obispo La Panza Range - Salinas River at the base of Salinas Dam. 400 Comment
  CAS-BOT-BC84825  Artemisia douglasiana Ernest C. Twisselmann 1955-9-1 2359 San Luis Obispo Tassajara Spring Road, 2.4 miles west of Santa Margarita 365 Comment
  CAS-BOT-BC85950  Quercus douglasii Ernest C. Twisselmann 1954-9-16 1575 San Luis Obispo Summit of Palo Prieta Canyon: 7 mile S of Cholame 579 Comment
  CAS-BOT-BC85951  Quercus douglasii Ernest C. Twisselmann 1954-9-16 1575 San Luis Obispo Summit of Palo Prieta Canyon: 7 mile S of Cholame 579 Comment
  CAS-BOT-BC8682  Delphinium gypsophilum Ernest C. Twisselmann 1954-5-1 1150 San Luis Obispo Temblor Range, Associated Ridges, 7 miles east of Simmler 853 Comment
  CAS-BOT-BC8692  Delphinium gypsophilum Ernest C. Twisselmann 1954-5-1 1150 San Luis Obispo Associated Ridge, 7 miles east of Simmler 853 Comment
  CAS-BOT-BC8693  Delphinium gypsophilum Ernest C. Twisselmann 1954-5-4 1172 San Luis Obispo Hills at Palo Prieta Summit, eastern San Luis Obispo County 655 Comment
  CAS-BOT-BC8694  Delphinium gypsophilum Ernest C. Twisselmann 1954-5-4 1172 San Luis Obispo Hills at Palo Prieta Summit, eastern San Luis Obispo County 655 Comment
  CAS-BOT-BC88590  Hornungia procumbens Ernest C. Twisselmann 1955-3-22 1741 San Luis Obispo Temblor Range and the Western San Joaquin Valley. South end of Soda Lake, Carissa Plains. 579 Comment
  CAS-BOT-BC88591  Hornungia procumbens Ernest C. Twisselmann 1953-3-5 243 San Luis Obispo Temblor Range and the Western San Joaquin Valley.Carisa Plains. Eastern foothills, 7 miles east of Simmler. Comment
  CAS-BOT-BC88721  Lepidium acutidens Ernest C. Twisselmann 1955-3-22 1745 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Southeast shore of Soda Lake, Carrisa Plains. 585 Comment
  CAS-BOT-BC88723  Lepidium acutidens Ernest C. Twisselmann 1955-4-22 1891 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Choice Valley, 1.5 mile east of Palo Prieta Summit. 640 Comment
  CAS-BOT-BC88887  Lepidium chalepense Ernest C. Twisselmann 1959-4-19 5066 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Cholame Road, 5.5 miles north of Annette. 601 Comment
  CAS-BOT-BC88888  Lepidium chalepense Ernest C. Twisselmann 1959-4-19 5066 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Cholame Road, 5.5 miles north of Annette. 601 Comment
  CAS-BOT-BC89010  Lepidium dictyotum Ernest C. Twisselmann 1954-3-11 865 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Hardenburgh Place. 10 miles south of Cholame. Comment
  CAS-BOT-BC89011  Lepidium dictyotum Ernest C. Twisselmann 1955-3-22 1747 B San Luis Obispo Temblor Range and the Western San Joaquin Valley. 1 mile north of Soda Lake, Carissa Plains. 609 Comment
  CAS-BOT-BC89012  Lepidium dictyotum Ernest C. Twisselmann 1955-4-22 1891 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Choice Valley, 1.5 mile est of Palo Prieta Summit. 640 Comment
  CAS-BOT-BC89496  Lepidium jaredii Ernest C. Twisselmann 1955-3-22 1743 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Southeast shore of Soda Lake, Carissa Plains. 579 Comment
  CAS-BOT-BC89498  Lepidium jaredii Ernest C. Twisselmann 1956-3-26 2586 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Alkali sinks 5 miles south of Soda Lake. 624 Comment
  CAS-BOT-BC89499  Lepidium jaredii Ernest C. Twisselmann 1956-3-26 2586 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Alkali sinks 5 miles south of Soda Lake. 624 Comment
  CAS-BOT-BC90617  Artemisia dracunculus Ernest C. Twisselmann 1953-9-25 792 San Luis Obispo Palo Prieta Canyon, 6 miles south of Cholame, eastern San Luis Obispo County 518 Comment
  CAS-BOT-BC90618  Artemisia dracunculus Ernest C. Twisselmann 1953-9-25 792 San Luis Obispo Palo Prieta Canyon, 6 miles south of Cholame, eastern San Luis Obispo County 518 Comment
  CAS-BOT-BC90620  Artemisia dracunculus Ernest C. Twisselmann 1954-9-10 1565 San Luis Obispo Palo Prieta Canyon: 5 miles south of Cholame (Hatfield Place) 487 Comment
  CAS-BOT-BC91466  Clematis lasiantha Ernest C. Twisselmann 1955-5-27 2033 San Luis Obispo La Panza Range. Upper Navajo Canyon. 762 Comment
  CAS-BOT-BC91467  Clematis lasiantha Ernest C. Twisselmann 1969-4-24 15190 San Luis Obispo Santa Ysabel Ranch, east side of the Salinas River 5 miles south of Paso Robles. 228 Comment
  CAS-BOT-BC91993  Platystemon californicus Ernest C. Twisselmann 1954-4-12 1047 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Summit of Palo Prieta Creek (near Hardenburgh fence). 609 Comment
  CAS-BOT-BC91994  Platystemon californicus Ernest C. Twisselmann 1954-4-12 1047 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Summit of Palo Prieta Creek (near Hardenburgh fence). 609 Comment
  CAS-BOT-BC91995  Platystemon californicus Ernest C. Twisselmann 1967-4-27 12921 San Luis Obispo Mesa northeast of Piedras Blancas Point. 4 Comment
  CAS-BOT-BC91996  Platystemon californicus Ernest C. Twisselmann 1967-4-27 12921 San Luis Obispo Mesa northeast of Piedras Blancas Point. 4 Comment
  CAS-BOT-BC92706  Clematis ligusticifolia Ernest C. Twisselmann 1954-6-27 1406 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Horseshoe Canyon, central Temblor Mountains. 853 Comment
  CAS-BOT-BC92707  Clematis ligusticifolia Ernest C. Twisselmann 1954-6-27 1406 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Horseshoe Canyon, central Temblor Mountains. 853 Comment
  CAS-BOT-BC92712  Clematis ligusticifolia Ernest C. Twisselmann 1955-5-27 2033 San Luis Obispo La Panza Range. Upper Navajo Canyon. 762 Comment
  CAS-BOT-BC92992  Ribes californicum var. californicum Ernest C. Twisselmann 1956-2-9 2505 San Luis Obispo San Lucia Range. York Mountain. 274 Comment
  CAS-BOT-BC93926  Artemisia douglasiana Ernest C. Twisselmann 1955-9-1 2359 San Luis Obispo Tassajara Spring Road, 2.4 miles west of Santa Margarita 365 Comment
  CAS-BOT-BC94134  Quercus durata Ernest C. Twisselmann 1956-11-3 3227 B San Luis Obispo Just W of Cypress Swamp, Santa Lucia Range 609 Comment
  CAS-BOT-BC99112  Symphyotrichum chilense Ernest C. Twisselmann 1965-11-2 11707 San Luis Obispo Highway 1 on the north slope of Arroyo Hondo 15 Comment
  CAS-BOT-BC99114  Symphyotrichum chilense Ernest C. Twisselmann 1965-11-2 11707 San Luis Obispo Highway 1 on the north slope of Arroyo Hondo 15 Comment
  CAS-BOT-BC99115  Symphyotrichum chilense Ernest C. Twisselmann 1969-11-28 16357 San Luis Obispo Temblor Range and the Western San Joaquin Valley - Loffaly Spring, hills at the head of Palo Prieta Canyon 640 Comment
  CAS-BOT-BC99500  Baccharis pilularis Ernest C. Twisselmann 1968-10-21 15029 San Luis Obispo Buena Vista Drive, 1 mile north of Highway 46 190 Comment
  CAS-BOT-BC99502  Baccharis pilularis Ernest C. Twisselmann 1968-10-21 15029 San Luis Obispo Buena Vista Drive, 1 mile north of Highway 46 190 Comment
  CAS-BOT-BC99746  Baccharis salicifolia Ernest C. Twisselmann 1956-5-7 2776 San Luis Obispo Ian McMillan Ranchgrounds, Gillis Canyon 510 Comment
  CAS-BOT-BC99749  Baccharis salicifolia Ernest C. Twisselmann 1954-5-29 1309 San Luis Obispo Grants Lake: Eastern San Luis Obispo County 576 Comment
  CAS-BOT-BC99754  Baccharis salicifolia Ernest C. Twisselmann 1956-5-7 2776 San Luis Obispo Ian McMillan Ranchgrounds, Gillis Canyon 510 Comment
  CDA3030  Chenopodium berlandieri var. sinuatum E. C. Twisselmann 1959-8-5 5566 San Luis Obispo Tremblor Range & Western San Joaquin Valley; Hardenburgh Place, upper Gillis Canyon. Comment
  CDA3572  Papaver hybridum E. C. Twisselmann 1962-4-29 7027 San Luis Obispo Temblor Range & Western San Joaquin Valley; Choice Valley Hills: hill just east of Sinsheimer Flat. Comment
  CDA3573  Papaver hybridum E. C. Twisselmann 1962-4-29 7025 San Luis Obispo Temblor Range & Western San Joaquin Valley; Choice Valley Hills: hillslope on the southeast side of Sinsheimer Flat. Comment
  CDA7806  Hemizonia pentactis E. C. Twisselmann 1962-10-1 7916 San Luis Obispo Tremblor Range & Western San Joaquin Valley: Upper Sonoran grassland. Carrisa Plains School. Comment
  CDA7942  Heterotheca sessiliflora subsp. echioides E. C. Twisselmann 1962-10-1 7914 San Luis Obispo Tremblor Range & Western San Joaquin Valley: Upper Sonoran grassland. Carrisa Plains School. Comment
  JEPS18652  Heterotheca sessiliflora subsp. echioides Ernest C. Twisselmann 1954-9-1 1537 San Luis Obispo 0.5 mi nw Choice Valley School; Temblor Range, Western San Joaquin Valley, Choice Valley 601 Comment
  JEPS18654  Antirrhinum ovatum E. C. Twisselmann 1954-5-20 1306 San Luis Obispo 6 mi se Simmler (Gypsum Mine) Comment
  JEPS18672  Gutierrezia californica Ernest C. Twisselmann 1955-9-1 2366 San Luis Obispo 8.6 mi s Shandon; Temblor Range, Western San Joaquin Valley, San Juan River Va 441 Comment
  JEPS18680  Eriophyllum confertiflorum var. confertiflorum Ernest C. Twisselmann 1955-5-27 2032 San Luis Obispo Upper Navajo Canyon La Panza Range, Upper Navajo Canyon 762 Comment
  JEPS18691  Castilleja foliolosa Ernest C. Twisselmann 1955-4-9 1826 San Luis Obispo 7.6 mi se Shandon (Red Hills); Western San Joaquin Valley, Temblor Range, Red Hills 434 Comment
  JEPS18763  Cordylanthus rigidus subsp. rigidus Ernest C. Twisselmann 1955-9-1 2364 San Luis Obispo at Pozo Hwy. Mariana Creek; La Panza Range 579 Comment
  JEPS18764  Cordylanthus rigidus subsp. rigidus Ernest C. Twisselmann 1954-8-15 1511 San Luis Obispo 3 1/2 mi s Cholame; Temblor Range, Western San Joaquin Valley, Palo Prieta Canyo 502 Comment
  JEPS24074  Triphysaria eriantha subsp. eriantha Ernest C. Twisselmann 1959-4-10 5044 San Luis Obispo just below mouth of Perfumo Canyon (Los Osos Valley); , just below mouth of Perfumo Canyon 60 Comment
  JEPS24093  Collinsia heterophylla Ernest C. Twisselmann 1959-4-17 5062 San Luis Obispo Salt Canyon; Choice Valley Region 579 Comment
  JEPS26201  Stephanomeria pauciflora Ernest C. Twisselmann 1958-11-7 4952 San Luis Obispo Salt Canyon Western San Joaquin Valley, Temblor Range, Choice Valley Reg 548 Comment
  JEPS26367  Grindelia hirsutula Ernest C. Twisselmann 1959-5-23 5259 San Luis Obispo mouth of Toro Creek, near Cayucos Cemetery; Toro Creek 15 Comment
  JEPS27684  Stebbinsoseris heterocarpa Ernest C. Twisselmann 1961-3-27 6025 San Luis Obispo Grant's Lake Western San Joaquin Valley, Temblor Range, Grant's Lake (eastern San Luis Obispo County) 576 Comment
  JEPS28881  Plectritis ciliosa subsp. insignis Ernest C. Twisselmann 1962-3-29 6732 San Luis Obispo 3.5 mi s of Cholame (Temblor Range, Western San Joaquin Valley, Palo Prieta Canyon); Temblor Range, Western San Joaquin Valley, Palo Prieta Canyo 556 Comment
  JEPS28883  Castilleja subinclusa subsp. subinclusa Ernest C. Twisselmann 1962-4-27 7018 San Luis Obispo 3 mi w Cholame (Palo Prieto Canyon); Western San Joaquin Valley, Temblor Range, Palo Prieto Canyo 548 Comment
  JEPS28933  Antirrhinum ovatum Ernest C. Twisselmann 1962-8-23 7695 San Luis Obispo hills at summit of Palo Prieta Canyon; Western San Joaquin Valley, Temblor Range 701 Comment
  JEPS31022  Triphysaria micrantha Ernest C. Twisselmann 1960-3-31 5915 San Luis Obispo Creston Road mesa just s Cammata Creek; La Panza Range, just s of Cammata Creek 548 Comment
  JEPS31030  Solidago confinis Ernest C. Twisselmann 1959-11-2 5892 San Luis Obispo Shandon 4 Comment
  JEPS31116  Centromadia fitchii Ernest C. Twisselmann 1962-10-9 7910 San Luis Obispo Temblor Range, Western San Joaquin Valley, Bitterwater Road 632 Comment
  JEPS31118  Heterotheca sessiliflora subsp. echioides Ernest C. Twisselmann 1962-10-10 7912 San Luis Obispo Highway 173 at the Lewis Ranch Temblor Range, Western San Joaquin Valley, Carrisa Plains 630 Comment
  JEPS31121  Heterotheca sessiliflora subsp. echioides Ernest C. Twisselmann 1962-10-10 7914 San Luis Obispo Carrisa Plains School Temblor Range, Western San Joaquin Valley, Carrisa Plains 624 Comment
  JEPS31123  Deinandra pentactis Ernest C. Twisselmann 1962-10-10 7916 San Luis Obispo Carrisa Plains School Temblor Range and the Western San Joaquin Valley, Carrisa Pl 624 Comment
  JEPS31146  Lepidospartum squamatum Ernest C. Twisselmann 1962-11-9 7940 San Luis Obispo culvert 0.25 mi w Choice Valley School; Temblor Range and Western San Joaquin Valley 609 Comment
  JEPS31215  Plectritis ciliosa subsp. insignis Ernest C. Twisselmann 1962-4-7 6769 San Luis Obispo 1/2 mi sw of Grant's Lake (Temblor Range, Western San Joaquin Valley, Goldtree Hills); Temblor Range, Western San Joaquin Valley, Goldtree Hills 601 Comment
  JEPS31219  Monolopia lanceolata Ernest C. Twisselmann 1962-3-18 6703 San Luis Obispo hills at summit Palo Prieta Canyon; Temblor Range and Western San Joaquin Valley 655 Comment
  JEPS31259  Corethrogyne filaginifolia Ernest C. Twisselmann 1962-10-20 7933 San Luis Obispo summit Gillis Canyon; Temblor Range, Western San Joaquin Valley 716 Comment
  JEPS32614  Deinandra halliana Ernest C. Twisselmann 1963-5-4 8122 San Luis Obispo 1.5 mi e Cholame (junction of Highways 41 and 466); Temblor Range, Western San Joaquin Valley, Cholame Valley 365 Comment
  JEPS32649  Hesperevax caulescens Ernest C. Twisselmann 1963-5-4 8123 San Luis Obispo junction of Highway 41 and Highway 466 (Cholame Valley); Temblor Range, Western San Joaquin Valley, Cholame Valley 365 Comment
  JEPS33451  Blepharizonia laxa Ernest C. Twisselmann 1963-8-23 8883 San Luis Obispo in the hills at the summit of Palo Prieta Canyon (San Andreas Fault, Temblor Range, San Joaquin Valley); San Joaquin Valley, Temblor Range, San Andreas Fault 701 Comment
  JEPS51950  Gnaphalium palustre Ernest C. Twisselmann 1952-5-24 548 San Luis Obispo 1.5 mi s of the summit Choice Valley Road (in the roadside gutter); Temblor Range, Western San Joachin Valley 609 Comment
  JEPS51960  Stephanomeria exigua subsp. coronaria Ernest C. Twisselmann 1965-8-23 11558 San Luis Obispo Summit of Choice Valley Western San Joaquin Valley, Temblor Range 670 Comment
  JEPS51963  Ericameria arborescens Ernest C. Twisselmann 1965-10-8 11684 San Luis Obispo ridge road 0.5 mi nw Cuesta Summit; Santa Lucia Range 548 Comment
  JEPS51984  Isocoma menziesii var. vernonioides Ernest C. Twisselmann 1965-11-2 11686 San Luis Obispo bluffs just n of San Simeon Beach State Park 12 Comment
  JEPS51988  Madia radiata Ernest C. Twisselmann 1965-3-23 10494 San Luis Obispo Pinole Hills, at the head of Bitterwater Creek Temblor Range, Western San Joaquin Valley, Bitterwater Creek 670 Comment
  JEPS52171  Symphyotrichum spathulatum Ernest C. Twisselmann 1966-8-23 12721 San Luis Obispo Dorothy Twisselmann Ranch Temblor Range, Western San Joaquin Valley, Loffaly Spring 640 Comment
  JEPS54344  Solanum americanum Ernest C. Twisselmann 1967-9-9 13683 San Luis Obispo Palo Prieta Creek below Ortega Spring (Western San Joaquin Valley); Temblor Range, , Palo Prieta Creek 594 Comment
  JEPS54352  Matricaria occidentalis Ernest C. Twisselmann 1967-6-16 13367 San Luis Obispo summit of Palo Prieta Canyon Western San Joaquin Valley, Temblor Range, San Andreas Fault 701 Comment
  JEPS54369  Layia glandulosa Ernest C. Twisselmann 1967-5-8 13014 San Luis Obispo La Panza Range, Shandon 472 Comment
  JEPS54402  Lasthenia minor Ernest C. Twisselmann 1967-4-27 12924 San Luis Obispo mesa ne Piedras Blancas Point 4 Comment
  JEPS54422  Stephanomeria pauciflora Ernest C. Twisselmann 1967-8-22 13555 San Luis Obispo Palo Prieta Canyon, hills at summit Western San Joaquin Valley, Temblor Range 655 Comment
  JEPS54430  Lepidospartum squamatum Ernest C. Twisselmann 1967-9-12 13701 San Luis Obispo fill 0.25 mi nw Choice Valley School; Temblor Range and Western San Joaquin Valley, Choice Valley 601 Comment
  JEPS54451  Senecio flaccidus var. douglasii Ernest C. Twisselmann 1967-9-9 13677 San Luis Obispo Palo Prieta Canyon, hills at the summit Western San Joaquin Valley, Temblor Range 655 Comment
  JEPS54494  Castilleja affinis subsp. affinis Ernest C. Twisselmann 1967-4-27 12929 San Luis Obispo s side San Carpoforo Creek 53 Comment
  JEPS54497  Pseudognaphalium californicum Ernest C. Twisselmann 1967-4-27 12916 San Luis Obispo 2.9 mi s Piedras Blancas (Highway 1) 9 Comment
  JEPS54499  Castilleja densiflora subsp. obispoensis Ernest C. Twisselmann 1967-4-27 12913 San Luis Obispo 2.9 mi s Piedras Blancas Point (Highway 1) 9 Comment
  JEPS57846  Conyza canadensis Ernest C. Twisselmann 15045 San Luis Obispo Highway 46 San Luis Obispo Comment
  JEPS57848  Baccharis pilularis Ernest C. Twisselmann 1968-10-21 15029 San Luis Obispo Bueno Vista Drive 1 mi n of Highway 46 Bueno Vista Drive 190 Comment
  JEPS57891  Grindelia hirsutula Ernest C. Twisselmann 1968-9-16 14930 San Luis Obispo Old Highway 41 2.5 mi e Huero Huero Creek; Union District 243 Comment
  JEPS57914  Layia platyglossa Ernest C. Twisselmann 1968-3-28 14068 San Luis Obispo sw of Grants Lake; Goldtree Hills 594 Comment
  JEPS57920  Matricaria occidentalis Ernest C. Twisselmann 1968-5-19 14210 San Luis Obispo Dorothy Twisselmann Ranch Western San Joaquin Valley, Temblor Range 640 Comment
  JEPS60738  Pseudognaphalium luteoalbum Ernest C. Twisselmann and Clifton F. Smith 1969-11-12 16330 San Luis Obispo summit Palo Prieta Canyon; The Temblor Range, Western San Joaquin Valley, Twisselmann L 701 Comment
  JEPS60784  Symphyotrichum spathulatum Ernest C. Twisselmann 1969-11-28 16357 San Luis Obispo Lofflay Spring, hills at head of Palo Prieta Canyon Temblor Range, Western San Joaquin Valley 640 Comment
  JEPS60849  Layia glandulosa Ernest C. Twisselmann 1969-4-14 15111 San Luis Obispo Shell Creek; La Panza Range 419 Comment
  JEPS60856  Mimulus latidens Ernest C. Twisselmann 1969-4-24 15165 San Luis Obispo 1.9 mi se Shell Creek Road (La Panza Highway); La Panza Range 426 Comment
  JEPS60857  Downingia cuspidata Ernest C. Twisselmann 1969-4-28 15214 San Luis Obispo 1.5 mi w Paso Robles (Highway 46); Estrella Plains 205 Comment
  JEPS60858  Chaenactis stevioides Ernest C. Twisselmann 1969-5-7 15225 San Luis Obispo Palo Prieta Canyon, w San Joaquin Valley San Joaquin Valley, Temblor Range, Palo Prieta Canyon 563 Comment
  JEPS60904  Lasthenia leptalea Ernest C. Twisselmann 1969-4-14 15105 San Luis Obispo 5 mi se Creston (n slope); La Panza Range, Bedell Ranch 350 Comment
  JEPS64638  Hazardia squarrosa var. grindelioides Ernest C. Twisselmann 1970-10-31 17566 San Luis Obispo 4.2 mi w Paso Robles; Peachey Canyon 365 Comment
  JEPS64705  Matricaria occidentalis Ernest C. Twisselmann 1970-11-24 17569 San Luis Obispo Dorothy Twisselmann Ranch, at the summit of Palo Prieta Canyon Western San Joaquin Valley, Temblor Range 670 Comment
  JEPS64714  Physalis lancifolia Ernest C. Twisselmann 1970-10-25 17562 San Luis Obispo Grant's Lake; Western San Joaquin Valley, Temblor Range 563 Comment
  JEPS68334  Wyethia glabra Ernest C. Twisselmann and Donald J. Bedell 1971-4-26 17669 San Luis Obispo ca 2.5 mi se Paso Robles; Franklin Canyon 243 Comment
  JEPS68337  Micropus californicus var. californicus Ernest C. Twisselmann and Donald J. Bedell 1971-4-30 17672 San Luis Obispo ca. 2.5 mi se of Paso Robles; Franklin Canyon Comment
  JEPS74299  Erigeron philadelphicus var. philadelphicus Ernest C. Twisselmann 1972-4-1 18597 San Luis Obispo ca. 4.5 mi e Lopez Lake (canyon of Arroyo Canyon Creek); Arroyo Canyon Creek 243 Comment
  JEPS74300  Helianthus gracilentus Ernest C. Twisselmann 1972-4-1 18594 San Luis Obispo w slope Pozo Grade; La Panza Range 792 Comment
  JEPS83687  Isocoma acradenia var. bracteosa Ernest C. Twisselmann 1957-11-7 4128 San Luis Obispo Panorama Hills, se San Luis Obispo County Temblor Range, Western San Joaquin Valley, Panorama Hills 746 Comment
  LA210631  Mentzelia affinis Ernest C. Twisselmann; 1960-7-27 5978 San Luis Obispo 716 Comment
  LA29375  Mentzelia affinis Ernest C. Twisselmann; Ernest C. Twisselmann 1958-5-8 4448 San Luis Obispo DAVIDSON HILLS, just E of Grant's Lake. 518 Comment
  OBI10958  Eriogonum roseum Ernest C. Twisselmann 1953-9-18 770 San Luis Obispo Plants of Temblor Range and the Wester San Joaquin Valley. Hills at summit of Palo Prieta Cyn, 7 mi S of Cholame 671 Comment
  OBI11147  Eriogonum baileyi var. baileyi Ernest C. Twisselmann 1954-9-10 1568 San Luis Obispo Temblor Range and the Western San joaquin Valley. Palo Prieta Cyn: 5 mi S of Cholame 518 Comment
  OBI13650  Mentha suaveolens Ernest C. Twisselmann 1953-7-16 468 San Luis Obispo Temblor Range and Western San Joaquin Valley. Mariannas Cyn. Temblor Mts 914 Comment
  OBI13822  Phacelia cryptantha Ernest C. Twisselmann 1955-4-6 1820 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Crocker Spring Cyn, 9.2 mi NW of Fellows 762 Comment
  OBI13823  Phacelia cryptantha Ernest C. Twisselmann 1955-6-4 2081 B San Luis Obispo Temblor Range and the Western San Joaquin Valley . Crocker Cyn, SE San Luis Obispo county 838 Comment
  OBI14092  Erodium brachycarpum Ernest C. Twisselmann 1953-3-24 310 San Luis Obispo Temblor Range and W San Joaquin Valley. Twisselmann Ranch: near headwaters of Palo Prieta Crk, 5 mi S of US 466, (1/8 mi S of Jack Ranch fence) 610 Comment
  OBI14782  Bergia texana Ernest C. Twisselmann 1952-7-7 324 San Luis Obispo Temblor Range and the W San Joaquin Valley, 6 mi S of Cholame Comment
  OBI15161  Hirschfeldia incana Ernest C. Twisselmann 1953-11-19 825 San Luis Obispo Temblor Range and Western San Joaquin Valley. Hardenburgh Place: upper Gillis Cyn, 10 mi S of Cholame Comment
  OBI15162  Hirschfeldia incana Ernest C. Twisselmann 1954-7-2 1417 San Luis Obispo Temblor Range and Western San Joaquin Valley. Jackson Place: 2 mi S of Grant's Lake, E San Luis Obispo county 533 Comment
  OBI15164  Hirschfeldia incana Ernest C. Twisselmann 1953-11-19 825 San Luis Obispo Temblor Range and Western San Joaquin Valley. Hardenburgh Place: upper Gillis Cyn, 10 mi S of Cholame Comment
  OBI16306  Centromadia fitchii Ernest C. Twisselmann 1953-9-12 764 San Luis Obispo Plants of the Temblor Range and the Western San joaquin Valley. Carrisa Plains: 1/4 mi N of jctn McKittrick hwy and Bitterwater Rd Comment
  OBI17127  Agoseris grandiflora var. grandiflora Ernest C. Twisselmann 1954-5-23 1288 San Luis Obispo Gillis Cyn Summit: 3/4 mi W of Eben McMillan Ranch 671 Comment
  OBI17255  Bassia hyssopifolia Ernest C. Twisselmann 1954-10-7 1610 San Luis Obispo Temblor Range and the W San Joaquin Valley. Twisselmann ranch, E San Luis Obispo county 640 Comment
  OBI17281  Atriplex rosea Ernest C. Twisselmann 1953-8-15 701 San Luis Obispo Temblor range and the W San Joaquin Valley. Twisselmann ranch, 7 mi S of Cholame 960 Comment
  OBI17318  Atriplex fruticulosa Ernest C. Twisselmann 1952-5-4 179 San Luis Obispo Temblor Range and W San Joaquin Valley. Twisselmann Ranch. 7 mi S Cholame Comment
  OBI17328  Atriplex coronata Ernest C. Twisselmann 1954-5-12 1220 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Hills at Palo Prieta Summit (Owens field near junk pile) 686 Comment
  OBI17329  Atriplex coronata Ernest C. Twisselmann June1952 185 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Grant's Lake, E San Luis Obispo county 488 Comment
  OBI20482  Apocynum cannabinum Ernest C. Twisselmann 1953-6-27 391 San Luis Obispo Sandiago Joe's Spring, 11 mi E of Simmler 792 Comment
  OBI20681  Amsinckia vernicosa Ernest C. Twisselmann 1954-5-1 1134 San Luis Obispo Temblor Range nd W San Joaquin Valley. summit of Associated Ridge, Temblor Mts, 6 mi E of Simmler Comment
  OBI20751  Cryptantha intermedia Ernest C. Twisselmann 1954-4-4 981 San Luis Obispo Temblor Range and W San Joaquin Valley. Palo Prieto Cyn, 2 mi S of Cholame 366 Comment
  OBI21804  Eragrostis pectinacea Ernest C. Twisselmann 1954-8-6 1494 San Luis Obispo Plants of Temblor Range and Western San Joaquin Valley. Chris Twisselmann Ranch: Eastern county 668 Comment
  OBI22557  Agropyron cristatum Ernest C. Twisselmann unk 1255 San Luis Obispo Shandon, CA. Chris Twisselmann Ranch: Eastern San Luis Obsipo County Comment
  OBI8668  Verbena lasiostachys Ernest C. Twisselmann 1954-7-30 1485 San Luis Obispo Hills at summit of Palo Preita Cyn, 8 mi S of Cholame 686 Comment
  RSA0011132  Turricula parryi E. C. Twisselmann 1955-5-27 2023 San Luis Obispo Cammatta Canyon, near Honey Bee Mine; La Panza Range. 625 Comment
  RSA0022155  Pogogyne serpylloides E. C. Twisselmann 1969-4-24 15168 San Luis Obispo Sulphur Spring Canyon, Santa Ysabel Ranch, 5 miles south of Paso Robles. 213 Comment
  RSA0028482  Geranium dissectum E. C. Twisselmann 1967-4-27 12904 San Luis Obispo Mesa just north of San Simeon Beach State Park. 9 Comment
  RSA0056361  Polygonum arenastrum Ernest C. Twisselmann 1971-8-12 18068 San Luis Obispo Templeton. 274 Comment
  RSA0072383  Heteromeles arbutifolia E. C. Twisselmann, D. J. Bedell 1969-11-15 16332 San Luis Obispo Sulfur Spring Canyon, Santa Ysabel Ranch, 5 miles south of Paso Robles. 206 Comment
  RSA0075849  Heterotheca grandiflora E. C. Twisselmann 1972-9-23 19280 San Luis Obispo At T. Franklin Twisselmann home in Choice Valley. 640 Comment
  RSA0076385  Gilia malior E. C. Twisselmann 1955-4-14 1840 San Luis Obispo Summit of Temblor Mountains at Las Yeguas Ranch 1059 Comment
  RSA0091226  Amsinckia tessellata var. gloriosa E. C. Twisselmann 1954-3-8 859 San Luis Obispo Palo Prieta Canyon, near summit, 7 miles south of Cholame. 579 Comment
  RSA0117007  Aster bernardinus E. C. Twisselmann 1966-8-23 12721 San Luis Obispo Loffaly Spring, Dorothy Twisselmann Ranch. 640 Comment
  RSA114302  Hollisteria lanata E. C. Twisselmann 1956-5-2 2732 San Luis Obispo Summit of Palo Canyon. 681 Comment
  RSA115470  Mentzelia pectinata E. C. Twisselmann 1955-4-6 1803 San Luis Obispo Recruit Canyon, southeastern San Luis Obispo County, Temblor Range and Western San Joaquin Valley. 808 Comment
  RSA115472  Trifolium depauperatum E. C. Twisselmann 1955-3-22 1749 San Luis Obispo Alkali sinks 1 mils north of Soda Lake. 610 Comment
  RSA115479  Plagiobothrys nothofulvus E. C. Twisselmann 1955-5-27 2047 San Luis Obispo Cammatta Canyon; La Panza Range. 564 Comment
  RSA115509  Deinandra pentactis E. C. Twisselmann 1955-7-22 2275 San Luis Obispo Vaquero Water Hills. Plants of the La Panza Range. 512 Comment
  RSA115511  Atriplex subspicata E. C. Twisselmann 1955-10-1 2435 San Luis Obispo Morro Bay State Park: edge of bay, near golf course. 0 Comment
  RSA115518  Mucronea californica E. C. Twisselmann 1955-6-10 2132 San Luis Obispo Vaquero Water Canyon. 488 Comment
  RSA115576  Trichostema lanatum E. C. Twisselmann 1955-6-10 2133 San Luis Obispo Calf Canyon, 1 mile east of Creston Road. 457 Comment
  RSA115577  Clarkia unguiculata E. C. Twisselmann 1955-6-10 2135 San Luis Obispo La Panza Range: Upper Calf Canyon 488 Comment
  RSA115605  Chorizanthe douglasii E. C. Twisselmann 1955-5-27 2024 San Luis Obispo La Panza Range. 595 Comment
  RSA115609  Camissonia californica E. C. Twisselmann 1955-5-18 1996 San Luis Obispo San Juan River Valley, 8.6 miles south of Shandon 427 Comment
  RSA115610  Astragalus douglasii E. C. Twisselmann 1955-5-18 2010 San Luis Obispo Summit of Red Hills, eastern San Luis Obispo County. 762 Comment
  RSA115612  Lotus grandiflorus var. grandiflorus E. C. Twisselmann 1955-5-27 2031 San Luis Obispo Shandon 866 Comment
  RSA115613  Mentzelia affinis E. C. Twisselmann 1955-5-18 1994 San Luis Obispo San Juan River Valley, 8.6 miles south of Shandon 427 Comment
  RSA115614  Phacelia distans E. C. Twisselmann 1955-6-4 2081 San Luis Obispo Crocker Canyon, southeastern part of the county. 838 Comment
  RSA115646  Delphinium recurvatum E. C. Twisselmann 1955-4-26 1900 San Luis Obispo 1 mile north of Soda Lake. 640 Comment
  RSA115650  Erodium botrys E. C. Twisselmann 1955-5-2 1910 San Luis Obispo Chris Twesselmann Ranch 671 Comment
  RSA116483  Amsinckia intermedia E. C. Twisselmann 1954-3-8 860 San Luis Obispo Palo Prieta Canyon: near summit, 7 miles south of Cholame. 579 Comment
  RSA116492  Marah fabacea E. C. Twisselmann 1954-3-15 889 San Luis Obispo Upper Palo Prieta Canyon, 6 miles S of Cholame. 610 Comment
  RSA116494  Ephedra californica E. C. Twisselmann 1954-6-5 1319 San Luis Obispo Panorama Hills, 2 miles north of Crocker Grade 671 Comment
  RSA116522  Eriogonum gracile var. gracile E. C. Twisselmann 1955-9-1 2362 San Luis Obispo S summit of Calf Canyon. 427 Comment
  RSA116528  Frankenia salina E. C. Twisselmann 1954-6-5 1323 San Luis Obispo Soda Lake: South Shore; Carriso Plains. 579 Comment
  RSA116530  Populus fremontii subsp. fremontii E. C. Twisselmann 1954-2-28 841 San Luis Obispo Sandiago Joe's Spring. 9 miles E of Simmler. Temblor Range. Western San Joaquin Valley. 579 Comment
  RSA116545  Apiastrum angustifolium E. C. Twisselmann 1954-5-7 1179 San Luis Obispo Upper McLean Canyon, Temblor Mountains 945 Comment
  RSA121065  Hemizonia halliana E. C. Twisselmann 1954-4-22 1109 San Luis Obispo Cholame Flats, 2 miles NE of Cholame 351 Comment
  RSA144708  Eschscholzia californica subsp. californica E. C. Twisselmann 1959-4-19 5074 San Luis Obispo Temblor Range and western San Joaquin Valley: Cholame, U.S. Highway 466 at the Palo Prieta Canyon turnoff 396 Comment
  RSA162497  Hollisteria lanata E. C. Twisselmann 1963-6-2 8287 San Luis Obispo South end of Grants Lake. 595 Comment
  RSA162567  Tragopogon porrifolius E. C. Twisselmann 1963-6-7 8382 San Luis Obispo Carter Place, Choice Valley. Persistent about a residence abandoned in 1943. 640 Comment
  RSA162569  Phalaris aquatica E. C. Twisselmann 1963-6-9 8390 San Luis Obispo Summit of Palo Prieta Canyon 678 Comment
  RSA164040  Blepharizonia laxa E. C. Twisselmann 1963-8-23 8883 San Luis Obispo San Andreas Fault in the hills at the summit of Palo Prieta Canyon 701 Comment
  RSA164047  Leptochloa fusca subsp. uninervia E. C. Twisselmann 1963-12-10 9204 San Luis Obispo Highway U.S. 466, 7 miles east of Paso Robles. 244 Comment
  RSA164096  Centaurea solstitialis E. C. Twisselmann 1963-8-4 8823 San Luis Obispo Palo Prieta Canyon at the Twisselmann Ranch cattle gaurd 579 Comment
  RSA167182  Bergia texana E. C. Twisselmann 1962-7-12 7427 San Luis Obispo Summit of Palo Prieta Canyon. 610 Comment
  RSA169183  Malacothrix saxatilis var. commutata E. C. Twisselmann 1964-7-3 9704 San Luis Obispo Mt. Springs Canyon, 1 mile west of Paso Robles 305 Comment
  RSA169191  Sisymbrium orientale E. C. Twisselmann 1964-4-17 9223 San Luis Obispo Grants Lake. 579 Comment
  RSA179939  Hollisteria lanata E. C. Twisselmann 1965-7-1 11104 San Luis Obispo Hills at the summit of Palo Prieta Canyon. 701 Comment
  RSA179953  Eriogonum inflatum var. inflatum E. C. Twisselmann 1965-4-25 10549 San Luis Obispo Hills at the summit of Palo Prieta Canyon. Comment
  RSA179980  Chaenactis stevioides E. C. Twisselmann 1965-4-12 10500 San Luis Obispo Head of Palo Priesta CAnyon 671 Comment
  RSA180043  Cryptantha nemaclada E. C. Twisselmann 1965-3-23 10497 San Luis Obispo Hills at the head of Palo Prieta Canyon 671 Comment
  RSA180629  Gilia achilleifolia E. C. Twisselmann 1965-3-23 10499 San Luis Obispo Hills at the head of Palo Prieta Canyon 671 Comment
  RSA180967  Salix lasiolepis E. C. Twisselmann 1965-11-2 11697 San Luis Obispo Arroyo de la Cruz (between Hwy 1 and the Ocean) 15 Comment
  RSA180997  Eriogonum temblorense E. C. Twisselmann 1965-9-15 11564 San Luis Obispo Summit os Antelope Grade on Hwy 46 at the base of a relatively recent road cut. 518 Comment
  RSA186893  Pseudognaphalium beneolens E. C. Twisselmann 1966-8-12 12720 San Luis Obispo Summit of Palo Prieta Canyon, eastern [part of] county (Hardenburgh field, Dorothy Twisselmann Ranch). 610 Comment
  RSA187014  Conyza bonariensis E. C. Twisselmann 1966-9-20 12803 San Luis Obispo T Franklin Twisselmann Ranch, Choice Valley 640 Comment
  RSA187083  Navarretia jaredii E. C. Twisselmann 1966-5-29 12328 San Luis Obispo Summit of Palo Prieta Canyon 655 Comment
  RSA195141  Solanum americanum E. C. Twisselmann 1967-9-9 13683 San Luis Obispo Palo Prieta Creek below Ortega Spring. Western San Joaquin Valley. 595 Comment
  RSA195148  Malvella leprosa E. C. Twisselmann 1967-8-22 13556 San Luis Obispo Vernal pool bed at the summit of Palo Prieta Canyon. 640 Comment
  RSA195181  Gilia achilleifolia E. C. Twisselmann 1967-5-8 13017 San Luis Obispo La Panza Range: Shell Creek fork of Cammatta Canyon. 473 Comment
  RSA195234  Euphorbia ocellata subsp. ocellata E. C. Twisselmann 1967-8-22 13554 San Luis Obispo Temblor range and the western San Joaquin Valley. Dorothy Twisselmann Ranch. 671 Comment
  RSA195237  Bergia texana E. C. Twisselmann 1967-8-22 13558 San Luis Obispo Vernal pool bed at the summit of Palo Prieta Canyon. 640 Comment
  RSA195238  Stephanomeria pauciflora E. C. Twisselmann 1967-8-22 13555 San Luis Obispo summit of Palo Prieta Canyon 655 Comment
  RSA195776  Calystegia macrostegia subsp. cyclostegia E. C. Twisselmann 1967-4-27 12928 San Luis Obispo South side of San Carpoforo Creek. 53 Comment
  RSA195779  Spergula arvensis E. C. Twisselmann 1967-4-27 12915 San Luis Obispo Hwy 1, 2.9 miles S of Piedras Blancas Point. 9 Comment
  RSA195785  Armeria maritima subsp. californica E. C. Twisselmann 1967-4-27 12923 San Luis Obispo Mesa northeast of Piedras Blancas Point 5 Comment
  RSA195799  Eriogonum temblorense E. C. Twisselmann 1967-5-23 13104 San Luis Obispo West slope of Cottonwood Pass at base of an old road cut. 503 Comment
  RSA195831  Atriplex rosea E. C. Twisselmann 1967-9-9 13680 San Luis Obispo Palo Prieta Creek below Ortega Spring. Western San Joaquin Valley. 595 Comment
  RSA195833  Eleocharis montevidensis Ernest C. Twisselmann 1967-9-9 13695 San Luis Obispo Ortega Spring, Palo Prieta Canyon, Temblor Range 599 Comment
  RSA195840  Matricaria occidentalis E. C. Twisselmann 1967-6-16 13367 San Luis Obispo Temblor Range and western San Joaquin Valley: San Andreas Fault in the hills at the summit of Palo Prieta Canyon 701 Comment
  RSA195842  Echinochloa crus-galli E. C. Twisselmann 1967-9-9 13696 San Luis Obispo Ortega Spring, Palo Prieta Canyon, Temblor Range 599 Comment
  RSA195843  Cucurbita palmata E. C. Twisselmann 1967-9-16 13705 San Luis Obispo Grants Lake, Choice Valley Road, eastern San Luis Obispo County. 579 Comment
  RSA195844  Lepidospartum squamatum E. C. Twisselmann 1967-9-12 13701 San Luis Obispo Otherwise known in the Temblor Range only from the mouth of Palo Prieta Canyon, Choice Valley, fill 0.25 mile NW of the school. 602 Comment
  RSA195863  Hirschfeldia incana E. C. Twisselmann 1967-9-8 13669 San Luis Obispo Temblor Range and the Western San Joaquin Valley; T. Franklin Twisselmann residence, Choice Valley 640 Comment
  RSA195864  Eragrostis pectinacea E. C. Twisselmann 1967-9-8 13672 San Luis Obispo Temblor Range and the Western San Joaquin Valley; T. Franklin Twisselmann residence, Choice Valley 640 Comment
  RSA195866  Eragrostis cilianensis E. C. Twisselmann 1967-9-8 13673 San Luis Obispo Temblor Range and the Western San Joaquin Valley; T. Franklin Twisselmann residence, Choice Valley 640 Comment
  RSA195882  Trichostema lanceolatum E. C. Twisselmann 1967-9-8 13668 San Luis Obispo Temblor Range and the Western San Joaquin Valley; T. Franklin Twisselmann residence, Choice Valley 640 Comment
  RSA195891  Phacelia distans E. C. Twisselmann 1967-5-8 13010 San Luis Obispo Slope north of Shell Creek. 488 Comment
  RSA197228  Eriogonum temblorense E. C. Twisselmann 1967-5-23 13104 San Luis Obispo West slope of Cottonwood Pass at base of an old road cut. 503 Comment
  RSA201222  Chenopodium murale E. C. Twisselmann 1959-5-23 5278 San Luis Obispo Point Buchon. 11 Comment