Basionyms with initial letter C
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CALIFORNIA
TYPE
SPECIMENS Basionyms with initial letter C |
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Click on "COMMENT" to provide feedback on any of these names, or to view specimen data or images
| Feedback | Basionym | Accepted name | Source |
|---|---|---|---|
| COMMENT | Cactus radiosus J. M. Coult. | To be determined | |
| COMMENT | Cakile californica A. Heller | Cakile edentula (Bigelow) Hook. | SMASCH |
| COMMENT | Caladium × hortulanum Birdsey | Caladium bicolor (Aiton) Vent. | SMASCH |
| COMMENT | Calais aphantocarpha A. Gray | Microseris douglasii (DC.) Sch.Bip. subsp. tenella (A. Gray) K. L. Chambers | SMASCH |
| COMMENT | Calais eriocarpha A. Gray | Microseris douglasii (DC.) Sch.Bip. subsp. douglasii | SMASCH |
| COMMENT | Calais kelloggii Greene | Microseris douglasii (DC.) Sch.Bip. subsp. douglasii | SMASCH |
| COMMENT | Calamagrostis bolanderi Thurb. | Calamagrostis bolanderi Thurb. | TJM |
| COMMENT | Calamagrostis crassiglumis Thurb. | Calamagrostis crassiglumis Thurb. | SMASCH |
| COMMENT | Calamagrostis sylvatica DC. var. longifolia Vasey | Calamagrostis foliosa Kearney | SMASCH |
| COMMENT | Calamintha chandleri Brandegee | Satureja chandleri (Brandegee) Druce | SMASCH |
| COMMENT | Calandrinia breweri S. Watson | Calandrinia breweri S. Watson | SMASCH |
| COMMENT | Callitriche autumnalis L. var. bicarpellaris Fenley | Callitriche hermaphroditica L. | SMASCH |
| COMMENT | Callitriche longipedunculata Morong | To be determined | |
| COMMENT | Calochortus clavatus S. Watson | Calochortus clavatus S. Watson | SMASCH |
| COMMENT | Calochortus clavatus S. Watson var. avius Jeps. | Calochortus clavatus S. Watson var. avius Jeps. | TJM |
| COMMENT | Calochortus collinus Lemmon | To be determined | |
| COMMENT | Calochortus elegans Pursh var. oreophilus Ownbey | Calochortus elegans Pursh | SMASCH |
| COMMENT | Calochortus excavatus Greene | Calochortus excavatus Greene | SMASCH |
| COMMENT | Calochortus invenustus Greene | Calochortus invenustus Greene | SMASCH |
| COMMENT | Calochortus kennedyi Porter var. munzii Jeps. | Calochortus kennedyi Porter var. munzii Jeps. | SMASCH |
| COMMENT | Calochortus maculatus Eastw. | Calochortus monophyllus (Lindl.) Lem. | SMASCH |
| COMMENT | Calochortus persistens Ownbey | Calochortus persistens Ownbey | SMASCH |
| COMMENT | Calochortus raichei Farwig & V. Girard | Calochortus raichei Farwig & V. Girard | SMASCH |
| COMMENT | Calochortus tiburonensis A. J. Hill | Calochortus tiburonensis A. J. Hill | SMASCH |
| COMMENT | Calycadenia hispida (Greene) Greene subsp. reducta D. D. Keck | Calycadenia multiglandulosa DC. | SMASCH |
| COMMENT | Calycadenia multiglandulosa DC. subsp. robusta D. D. Keck | Calycadenia multiglandulosa DC. | SMASCH |
| COMMENT | Calycadenia truncata DC. subsp. microcephala H. M. Hall ex D. D. Keck | To be determined | |
| COMMENT | Calycoseris wrightii A. Gray var. californica Brandegee | To be determined | |
| COMMENT | Calyptridium depressum A. Nelson | To be determined | |
| COMMENT | Calyptridium monospermum Greene | Calyptridium monospermum Greene | TJM |
| COMMENT | Calystegia collina (Greene) Brummitt subsp. venusta Brummitt | Calystegia collina (Greene) Brummitt subsp. venusta Brummitt | SMASCH |
| COMMENT | Calystegia macrostegia (Greene) Brummitt subsp. amplissima Brummitt | Calystegia macrostegia (Greene) Brummitt subsp. amplissima Brummitt | SMASCH |
| COMMENT | Camassia quamash (Pursh) Greene subsp. breviflora Gould | Camassia quamash (Pursh) Greene subsp. breviflora Gould | SMASCH |
| COMMENT | Camassia quamash (Pursh) Greene subsp. linearis Gould | Camassia quamash (Pursh) Greene subsp. quamash | SMASCH |
| COMMENT | Campanula exigua Rattan | Campanula exigua Rattan | SMASCH |
| COMMENT | Campanula sharsmithiae Morin | Campanula exigua Rattan | SMASCH |
| COMMENT | Campanula shetleri Heckard | Campanula shetleri Heckard | SMASCH |
| COMMENT | Capnorea campanulata Greene | Hesperochiron pumilus (Douglas ex Griseb.) Porter | SMASCH |
| COMMENT | Cardamine cardiophylla Greene | Cardamine cardiophylla Greene | SMASCH |
| COMMENT | Carex albida L. H. Bailey | Carex albida L. H. Bailey | TJM |
| COMMENT | Carex athrostachya Olney | Carex athrostachya Olney | TJM |
| COMMENT | Carex bifida W. Boott | Carex serratodens W. Boott | SMASCH |
| COMMENT | Carex bolanderi Olney | Carex deweyana Schwein. var. bolanderi (Olney) W. Boott | SMASCH |
| COMMENT | Carex breweri W. Boott | To be determined | |
| COMMENT | Carex californica L. H. Bailey | Carex californica L. H. Bailey | TJM |
| COMMENT | Carex davyi Mack. | Carex davyi Mack. | SMASCH |
| COMMENT | Carex festivella Mack. | Carex gracilior Mack. | SMASCH |
| COMMENT | Carex gracilior Mack. | Carex gracilior Mack. | SMASCH |
| COMMENT | Carex haydeniana Olney | Carex haydeniana Olney | SMASCH |
| COMMENT | Carex jepsonii J. T. Howell | To be determined | |
| COMMENT | Carex leporinella Mack. | Carex leporinella Mack. | SMASCH |
| COMMENT | Carex luzulina Olney | Carex luzulina Olney | TJM |
| COMMENT | Carex multicaulis L. H. Bailey | Carex multicaulis L. H. Bailey | SMASCH |
| COMMENT | Carex nudata W. Boott | Carex nudata W. Boott | TJM |
| COMMENT | Carex olympica Mack. | Carex pachystachya Cham. ex Steud. | SMASCH |
| COMMENT | Carex pachycarpa Mack. | To be determined | |
| COMMENT | Carex paucifructus Mack. | Carex mariposana L. H. Bailey ex Mack. | SMASCH |
| COMMENT | Carex phyllomanica W. Boott | Carex echinata Murray subsp. echinata | SMASCH |
| COMMENT | Carex salinaeformis Mack. | Carex saliniformis Mack. | SMASCH |
| COMMENT | Carex senta W. Boott | Carex senta W. Boott | TJM |
| COMMENT | Carex sonomensis Stacey | To be determined | |
| COMMENT | Carex stenoptera Mack. | Carex subfusca W. Boott | SMASCH |
| COMMENT | Carex subnigricans Stacey | Carex subnigricans Stacey | SMASCH |
| COMMENT | Carex teneriformis Mack. | Carex subfusca W. Boott | SMASCH |
| COMMENT | Carex tiogana D. W. Taylor & Mastrogiuseppe | Carex tiogana D. W. Taylor & Mastrogiuseppe | SMASCH |
| COMMENT | Carex tracyi Mack. | Carex ovalis Gooden. | SMASCH |
| COMMENT | Carex unilateralis Mack. | Carex unilateralis Mack. | SMASCH |
| COMMENT | Carex vicaria L. H. Bailey | Carex multicostata Mack. | SMASCH |
| COMMENT | Carex vulgaris Fr. var. bracteosa L. H. Bailey | Carex scopulorum Holm var. bracteosa (L. H. Bailey) F. J. Herm. | SMASCH |
| COMMENT | Carex whitneyi Olney | Carex whitneyi Olney | SMASCH |
| COMMENT | Carum lemmonii J. M. Coult. & Rose | Perideridia lemmonii (J. M. Coult. & Rose) T. I. Chuang & Constance | SMASCH |
| COMMENT | Castilleja affinis Hook. & Arn. | Castilleja affinis Hook. & Arn. | SMASCH |
| COMMENT | Castilleja arachnoidea Greenm. | Castilleja arachnoidea Greenm. | SMASCH |
| COMMENT | Castilleja breweri Fernald | Castilleja applegatei Fernald subsp. pallida (Eastw.) T. I. Chuang & Heckard | SMASCH |
| COMMENT | Castilleja clementis Eastw. | Castilleja foliolosa Hook. & Arn. | SMASCH |
| COMMENT | Castilleja douglasii Benth. | Castilleja affinis Hook. & Arn. | SMASCH |
| COMMENT | Castilleja gleasonii Elmer | Castilleja pruinosa Fernald | SMASCH |
| COMMENT | Castilleja grisea Dunkle | Castilleja grisea Dunkle | SMASCH |
| COMMENT | Castilleja hololeuca Greene | Castilleja lanata A. Gray subsp. hololeuca (Greene) T. I. Chuang & Heckard | SMASCH |
| COMMENT | Castilleja jepsonii Bacig. & Heckard | Castilleja subinclusa Greene subsp. subinclusa | SMASCH |
| COMMENT | Castilleja montigena Heckard | Castilleja × montigena Heckard | SMASCH |
| COMMENT | Castilleja neglecta Zeile | Castilleja neglecta Zeile | SMASCH |
| COMMENT | Castilleja pinetorum Fernald var. fragilis Zeile | Castilleja applegatei Fernald subsp. pinetorum (Fernald) T. I. Chuang & Heckard | SMASCH |
| COMMENT | Castilleja praeterita Heckard & Bacig. | Castilleja praeterita Heckard & Bacig. | SMASCH |
| COMMENT | Castilleja quibellii Beane | Castilleja applegatei Fernald subsp. disticha (Eastw.) T. I. Chuang & Heckard | SMASCH |
| COMMENT | Castilleja schizotricha Greenm. | Castilleja schizotricha Greenm. | SMASCH |
| COMMENT | Castilleja spiralis Jeps. | Castilleja spiralis Jeps. | SMASCH |
| COMMENT | Castilleja trisecta Greene | To be determined | |
| COMMENT | Castilleja wightii Elmer | Castilleja wightii Elmer | SMASCH |
| COMMENT | Caulanthus hallii Payson | Caulanthus hallii Payson | SMASCH |
| COMMENT | Caulanthus simulans Payson | Caulanthus simulans Payson | TJM |
| COMMENT | Ceanothus arboreus Greene var. glabra Jeps. | Ceanothus arboreus Greene | SMASCH |
| COMMENT | Ceanothus crassifolius Torr. | Ceanothus crassifolius Torr. | SMASCH |
| COMMENT | Ceanothus divaricatus Nutt. var. laetiflorus Jeps. | To be determined | |
| COMMENT | Ceanothus floribundus Hook. | To be determined | |
| COMMENT | Ceanothus foliosus Parry var. medius McMinn | Ceanothus foliosus Parry subsp. medius (McMinn) C. Schmidt | SMASCH |
| COMMENT | Ceanothus foliosus Parry var. vineatus McMinn | Ceanothus foliosus Parry subsp. vineatus (McMinn) C. Schmidt | SMASCH |
| COMMENT | Ceanothus fresnensis Dudley ex Abrams | Ceanothus fresnensis Dudley ex Abrams | TJM |
| COMMENT | Ceanothus impressus Trel. var. nipomensis McMinn | To be determined | |
| COMMENT | Ceanothus incanus Torr. & A. Gray f. spinosissimus F. K. Klein | Ceanothus incanus Torr. & A. Gray | SMASCH |
| COMMENT | Ceanothus integerrimus Hook. & Arn. var. peduncularis Jeps. | Ceanothus tomentosus Parry | SMASCH |
| COMMENT | Ceanothus masonii McMinn | Ceanothus masonii McMinn | SMASCH |
| COMMENT | Ceanothus megacarpus Nutt. var. pendulus McMinn | To be determined | |
| COMMENT | Ceanothus papillosus Torr. & A. Gray var. regius Jeps. | Ceanothus papillosus Torr. & A. Gray | SMASCH |
| COMMENT | Ceanothus papillosus Torr. & A. Gray var. roweanus McMinn | Ceanothus papillosus Torr. & A. Gray subsp. roweanus (McMinn) C. Schmidt | SMASCH |
| COMMENT | Ceanothus prostratus Benth. var. laxus Jeps. | Ceanothus prostratus Benth. var. laxus Jeps. | SMASCH |
| COMMENT | Ceanothus prostratus Benth. var. occidentalis McMinn | Ceanothus prostratus Benth. | SMASCH |
| COMMENT | Ceanothus prostratus Benth. var. profugus Jeps. | To be determined | |
| COMMENT | Ceanothus purpureus Jeps. | Ceanothus purpureus Jeps. | SMASCH |
| COMMENT | Ceanothus ramulosus (Greene) McMinn var. fascicularis McMinn | Ceanothus cuneatus (Hook.) Nutt. subsp. fascicularis (McMinn) C. Schmidt | SMASCH |
| COMMENT | Ceanothus thyrsiflorus Eschsch. var. chandleri Jeps. | Ceanothus thyrsiflorus Eschsch. | SMASCH |
| COMMENT | Ceanothus thyrsiflorus Eschsch. var. repens McMinn | To be determined | |
| COMMENT | Ceanothus tomentosus Parry var. olivaceus Jeps. | Ceanothus tomentosus Parry subsp. olivaceus (Jeps.) Munz | SMASCH |
| COMMENT | Ceanothus velutinus Douglas ex Hook. var. lorenzenii Jeps. | To be determined | |
| COMMENT | Ceanothus × arcuatus McMinn | To be determined | |
| COMMENT | Ceanothus × flexilis Greene ex McMinn | To be determined | |
| COMMENT | Ceanothus × mendocinensis McMinn | To be determined | |
| COMMENT | Ceanothus × otayensis McMinn | Ceanothus crassifolius Torr. | SMASCH |
| COMMENT | Ceanothus × serrulatus McMinn | Ceanothus prostratus Benth. | SMASCH |
| COMMENT | Centaurium exaltatum (Griseb.) W. Wight ex Piper var. davyi Jeps. | Centaurium davyi (Jeps.) Abrams | SMASCH |
| COMMENT | Centaurium venustum (A. Gray) B. L. Rob. subsp. abramsii Munz | Centaurium venustum (A. Gray) B. L. Rob. | SMASCH |
| COMMENT | Centrostegia insignis (Curran) A. Heller | Aristocapsa insignis (Curran) Reveal & Hardham | SMASCH |
| COMMENT | Cercocarpus macrourus Rydb. | Cercocarpus betuloides Nutt. var. macrourus (Rydb.) Jeps. | SMASCH |
| COMMENT | Chaenactis alpigena Sharsm. | Chaenactis alpigena Sharsm. | SMASCH |
| COMMENT | Chaenactis aurea Greene | Chaenactis glabriuscula DC. var. glabriuscula | SMASCH |
| COMMENT | Chaenactis gracilenta Greene | Chaenactis glabriuscula DC. var. heterocarpha (Torr. & A. Gray ex A. Gray) H. M. Hall | SMASCH |
| COMMENT | Chaenactis peirsonii Jeps. | Chaenactis carphoclinia A. Gray var. peirsonii (Jeps.) Munz | SMASCH |
| COMMENT | Chaenactis pumila Greene | Chaenactis douglasii (Hook.) Hook. & Arn. var. douglasii | SMASCH |
| COMMENT | Chaenactis rubricaulis Rydb. | Chaenactis douglasii (Hook.) Hook. & Arn. var. douglasii | SMASCH |
| COMMENT | Chaenactis suffrutescens A. Gray | Chaenactis suffrutescens A. Gray | SMASCH |
| COMMENT | Chaenactis tanacetifolia A. Gray | Chaenactis glabriuscula DC. var. heterocarpha (Torr. & A. Gray ex A. Gray) H. M. Hall | SMASCH |
| COMMENT | Chaenactis tenuifolia Nutt. var. orcuttiana Greene | Chaenactis glabriuscula DC. var. orcuttiana (Greene) H. M. Hall | SMASCH |
| COMMENT | Chamaesyce aureola Millsp. | Chamaesyce melanadenia (Torr.) Millsp. | SMASCH |
| COMMENT | Cheilanthes carlotta-halliae W. H. Wagner & E. Gilbert | Aspidotis carlotta-halliae (W. H. Wagner & E. Gilbert) Lellinger | SMASCH |
| COMMENT | Cheilanthes covillei Maxon | Cheilanthes covillei Maxon | SMASCH |
| COMMENT | Cheilanthes parishii Davenp. | Cheilanthes × parishii Davenp. | SMASCH |
| COMMENT | Chenopodium incanum (S. Watson) A. Heller var. occidentale D. J. Crawford | Chenopodium incanum (S. Watson) A. Heller | SMASCH |
| COMMENT | Chilopsis linearis (Cav.) Sweet var. arcuata Fosberg | Chilopsis linearis (Cav.) Sweet | SMASCH |
| COMMENT | Chlorogalum grandiflorum Hoover | Chlorogalum grandiflorum Hoover | SMASCH |
| COMMENT | Chlorogalum pomeridianum (DC.) Kunth var. minus Hoover | Chlorogalum pomeridianum (DC.) Kunth var. minus Hoover | SMASCH |
| COMMENT | Chlorogalum purpureum Brandegee | Chlorogalum purpureum Brandegee | SMASCH |
| COMMENT | Chlorogalum purpureum Brandegee var. reductum Hoover | Chlorogalum purpureum Brandegee var. reductum Hoover | SMASCH |
| COMMENT | Chorizanthe andersonii Parry | Chorizanthe diffusa Benth. | SMASCH |
| COMMENT | Chorizanthe biloba Goodman | Chorizanthe biloba Goodman var. biloba | SMASCH |
| COMMENT | Chorizanthe breweri S. Watson | Mucronea californica Benth. | SMASCH |
| COMMENT | Chorizanthe cuspidata S. Watson var. marginata Goodman | Chorizanthe cuspidata S. Watson var. cuspidata | SMASCH |
| COMMENT | Chorizanthe douglasii Benth. var. albens Parry | Chorizanthe pungens Benth. var. pungens | SMASCH |
| COMMENT | Chorizanthe insignis Curran | Aristocapsa insignis (Curran) Reveal & Hardham | SMASCH |
| COMMENT | Chorizanthe insularis Hoffmann | Chorizanthe wheeleri S. Watson | SMASCH |
| COMMENT | Chorizanthe leptotheca Goodman | Chorizanthe leptotheca Goodman | SMASCH |
| COMMENT | Chorizanthe nortonii Greene | Chorizanthe douglasii Benth. | SMASCH |
| COMMENT | Chorizanthe obovata Goodman | Chorizanthe obovata Goodman | SMASCH |
| COMMENT | Chorizanthe orcuttiana Parry | Chorizanthe orcuttiana Parry | SMASCH |
| COMMENT | Chorizanthe palmeri S. Watson | Chorizanthe palmeri S. Watson | SMASCH |
| COMMENT | Chorizanthe polygonoides Torr. & A. Gray var. polygonoides | Chorizanthe polygonoides Torr. & A. Gray var. polygonoides | SMASCH |
| COMMENT | Chorizanthe procumbens Nutt. | Chorizanthe procumbens Nutt. | SMASCH |
| COMMENT | Chorizanthe procumbens Nutt. var. albiflora Goodman | Chorizanthe procumbens Nutt. | SMASCH |
| COMMENT | Chorizanthe pungens Benth. var. nivea Curran | Chorizanthe pungens Benth. var. nivea Curran | SMASCH |
| COMMENT | Chorizanthe robusta Parry | Chorizanthe robusta Parry var. robusta | SMASCH |
| COMMENT | Chorizanthe spinosa S. Watson | Chorizanthe spinosa S. Watson | SMASCH |
| COMMENT | Chorizanthe staticoides Benth. var. elata Goodman | Chorizanthe staticoides Benth. | SMASCH |
| COMMENT | Chorizanthe staticoides Benth. var. staticoides | Chorizanthe staticoides Benth. | SMASCH |
| COMMENT | Chorizanthe uniaristata Torr. & A. Gray | Chorizanthe uniaristata Torr. & A. Gray | SMASCH |
| COMMENT | Chorizanthe valida S. Watson | Chorizanthe valida S. Watson | SMASCH |
| COMMENT | Chorizanthe villosa Eastw. | Chorizanthe cuspidata S. Watson var. villosa (Eastw.) Munz | SMASCH |
| COMMENT | Chorizanthe vortriedei Brandegee | Systenotheca vortriedei (Brandegee) Reveal & Hardham | SMASCH |
| COMMENT | Chorizanthe wheeleri S. Watson | Chorizanthe wheeleri S. Watson | SMASCH |
| COMMENT | Chorizanthe xantii S. Watson | Chorizanthe xantii S. Watson | SMASCH |
| COMMENT | Chorizanthe xantii S. Watson var. leucotheca Goodman | Chorizanthe xantii S. Watson subsp. leucotheca (Goodman) Munz | SMASCH |
| COMMENT | Chrysoma merriamii Eastw. | To be determined | |
| COMMENT | Chrysopsis breweri A. Gray var. multibracteata Jeps. | To be determined | |
| COMMENT | Chrysopsis camphorata Eastw. | Heterotheca sessiliflora (Nutt.) Shinners subsp. echioides (Benth.) Semple | SMASCH |
| COMMENT | Chrysopsis fastigiata Greene | Heterotheca sessiliflora (Nutt.) Shinners subsp. fastigiata (Greene) Semple | SMASCH |
| COMMENT | Chrysopsis shastensis Jeps. | To be determined | |
| COMMENT | Chrysothamnus nauseosus (Pall. ex Pursh) Britton var. bernardinus H. M. Hall | To be determined | |
| COMMENT | Chrysothamnus nauseosus (Pall. ex Pursh) Britton var. viridulus H. M. Hall | To be determined | |
| COMMENT | Chrysothamnus spathulatus L. C. Anderson | Chrysothamnus spathulatus L. C. Anderson | SMASCH |
| COMMENT | Chylismia lancifolia A. Heller | Camissonia claviformis (Torr. & Frém.) P. H. Raven subsp. lancifolia (A. Heller) P. H. Raven | SMASCH |
| COMMENT | Cirsium campylon H. Sharsm. | Cirsium campylon H. Sharsm. | SMASCH |
| COMMENT | Cirsium remotifolium (Hook.) DC. var. rivulare Jeps. | To be determined | |
| COMMENT | Cirsium walkerianum Petr. | Cirsium quercetorum (A. Gray) Jeps. | SMASCH |
| COMMENT | Clarkia affinis F. H. Lewis & M. R. Lewis | Clarkia affinis F. H. Lewis & M. R. Lewis | SMASCH |
| COMMENT | Clarkia arcuata (Kellogg) A. Nelson & J. F. Macbr. | Clarkia arcuata (Kellogg) A. Nelson & J. F. Macbr. | TJM |
| COMMENT | Clarkia australis E. Small | Clarkia australis E. Small | SMASCH |
| COMMENT | Clarkia borealis E. Small subsp. arida E. Small | Clarkia borealis E. Small subsp. arida E. Small | SMASCH |
| COMMENT | Clarkia borealis E. Small subsp. borealis | Clarkia borealis E. Small subsp. borealis | SMASCH |
| COMMENT | Clarkia concinna (Fisch. & C. A. Mey.) Greene subsp. automixa R. N. Bowman | Clarkia concinna (Fisch. & C. A. Mey.) Greene subsp. automixa R. N. Bowman | SMASCH |
| COMMENT | Clarkia cylindrica (Jeps.) F. H. Lewis & M. R. Lewis subsp. clavicarpa W. S. Davis | Clarkia cylindrica (Jeps.) F. H. Lewis & M. R. Lewis | SMASCH |
| COMMENT | Clarkia exilis F. H. Lewis & Vasek | Clarkia exilis F. H. Lewis & Vasek | SMASCH |
| COMMENT | Clarkia franciscana F. H. Lewis & P. H. Raven | Clarkia franciscana F. H. Lewis & P. H. Raven | SMASCH |
| COMMENT | Clarkia imbricata F. H. Lewis & M. R. Lewis | Clarkia imbricata F. H. Lewis & M. R. Lewis | SMASCH |
| COMMENT | Clarkia lingulata F. H. Lewis & M. R. Lewis | Clarkia lingulata F. H. Lewis & M. R. Lewis | SMASCH |
| COMMENT | Clarkia mildrediae (A. Heller) F. H. Lewis & M. R. Lewis subsp. lutescens Gottlieb & Janeway | Clarkia mildrediae (A. Heller) F. H. Lewis & M. R. Lewis subsp. lutescens Gottlieb & Janeway | SMASCH |
| COMMENT | Clarkia modesta Jeps. | Clarkia modesta Jeps. | SMASCH |
| COMMENT | Clarkia mosquinii E. Small subsp. mosquinii | Clarkia mosquinii E. Small subsp. mosquinii | SMASCH |
| COMMENT | Clarkia mosquinii E. Small subsp. xerophila E. Small | Clarkia mosquinii E. Small subsp. xerophila E. Small | SMASCH |
| COMMENT | Clarkia nitens F. H. Lewis & M. R. Lewis | Clarkia speciosa F. H. Lewis & M. R. Lewis subsp. nitens (F. H. Lewis & M. R. Lewis) F. H. Lewis & P. H. Raven | SMASCH |
| COMMENT | Clarkia prostrata F. H. Lewis & M. R. Lewis | Clarkia prostrata F. H. Lewis & M. R. Lewis | SMASCH |
| COMMENT | Clarkia speciosa F. H. Lewis & M. R. Lewis subsp. immaculata F. H. Lewis & M. R. Lewis | Clarkia speciosa F. H. Lewis & M. R. Lewis subsp. immaculata F. H. Lewis & M. R. Lewis | SMASCH |
| COMMENT | Clarkia speciosa F. H. Lewis & M. R. Lewis subsp. polyantha F. H. Lewis & M. R. Lewis | Clarkia speciosa F. H. Lewis & M. R. Lewis subsp. polyantha F. H. Lewis & M. R. Lewis | TJM |
| COMMENT | Clarkia springvillensis Vasek | Clarkia springvillensis Vasek | SMASCH |
| COMMENT | Clarkia stellata Mosquin | Clarkia stellata Mosquin | SMASCH |
| COMMENT | Claytonia chenopodina Greene | Claytonia nevadensis S. Watson | SMASCH |
| COMMENT | Claytonia palustris Swanson & Kelley | Claytonia palustris Swanson & Kelley | SMASCH |
| COMMENT | Claytonia perfoliata Donn ex Willd. var. angustifolia Greene | Claytonia perfoliata Donn ex Willd. | SMASCH |
| COMMENT | Claytonia saxosa Brandegee | Claytonia saxosa Brandegee | SMASCH |
| COMMENT | Clematis biflora Eastw. | Clematis lasiantha Nutt. | SMASCH |
| COMMENT | Cleomella obtusifolia Torr. & Frém. var. florifera Crum | To be determined | |
| COMMENT | Cleomella obtusifolia Torr. & Frém. var. jonesii Crum | To be determined | |
| COMMENT | Cogswellia rigida M. E. Jones | Lomatium rigidum (M. E. Jones) Jeps. | SMASCH |
| COMMENT | Coldenia brevicalyx S. Watson | To be determined | |
| COMMENT | Collinsia breviflora Suksd. | Collinsia childii Parry ex A. Gray | SMASCH |
| COMMENT | Collinsia callosa Parish | Collinsia callosa Parish | SMASCH |
| COMMENT | Collinsia concolor Greene | Collinsia concolor Greene | TJM |
| COMMENT | Collinsia franciscana Bioletti | Collinsia franciscana Bioletti | SMASCH |
| COMMENT | Collinsia monticola Davidson | Collinsia torreyi A. Gray var. wrightii (S. Watson) I. M. Johnst. | SMASCH |
| COMMENT | Collinsia parviflora Lindl. var. collina Jeps. | To be determined | |
| COMMENT | Collinsia stricta Greene | Collinsia bartsiifolia Benth. var. davidsonii (Parish) Newsom | SMASCH |
| COMMENT | Collinsia torreyi A. Gray | Collinsia torreyi A. Gray var. torreyi | SMASCH |
| COMMENT | Collinsia torreyi A. Gray var. brevicarinata Newsom | Collinsia torreyi A. Gray var. brevicarinata Newsom | SMASCH |
| COMMENT | Collomia diversifolia Greene | Collomia diversifolia Greene | SMASCH |
| COMMENT | Collomia gilioides Benth. | To be determined | |
| COMMENT | Collomia rawsoniana Greene | Collomia rawsoniana Greene | SMASCH |
| COMMENT | Collomia tinctoria Kellogg subvar. luxuriosa Brand | Collomia tracyi H. Mason | SMASCH |
| COMMENT | Collomia tracyi H. Mason | Collomia tracyi H. Mason | SMASCH |
| COMMENT | Comandra californica Eastw. ex Rydb. | Comandra umbellata (L.) Nutt. subsp. californica (Eastw. ex Rydb.) Piehl | SMASCH |
| COMMENT | Comarostaphylis diversifolia (Parry) Greene var. planifolia Jeps. | COMAROSTAPHYLIS diversifolia (C. Parry) E. Greene subsp. planifolia (Jepson) G.D. Wallace | TJM |
| COMMENT | Conanthus multiflorus A. Heller | To be determined | |
| COMMENT | Convolvulus chartaceus Jeps. | To be determined | |
| COMMENT | Convolvulus collinus Greene | Calystegia collina (Greene) Brummitt subsp. collina | SMASCH |
| COMMENT | Convolvulus cyclostegius House | Calystegia macrostegia (Greene) Brummitt subsp. cyclostegia (House) Brummitt | SMASCH |
| COMMENT | Convolvulus gracilentus Greene | Calystegia occidentalis (A. Gray) Brummitt subsp. fulcrata (A. Gray) Brummitt | SMASCH |
| COMMENT | Convolvulus luteolus unknown var. purpuratus Greene | To be determined | |
| COMMENT | Convolvulus luteolus unknown var. solanensis Jeps. | To be determined | |
| COMMENT | Convolvulus saxicola Eastw. | Calystegia purpurata (Greene) Brummitt subsp. saxicola (Eastw.) Brummitt | SMASCH |
| COMMENT | Convolvulus subacaulis (Hook. & Arn.) Greene var. dolosus Jeps. | To be determined | |
| COMMENT | Convolvulus villosus A. Gray var. pedicellatus Jeps. | To be determined | |
| COMMENT | Cordylanthus capillaris Pennell | Cordylanthus tenuis A. Gray subsp. capillaris (Pennell) T. I. Chuang & Heckard | SMASCH |
| COMMENT | Cordylanthus carnulosus Pennell | Cordylanthus palmatus (Ferris) J. F. Macbr. | SMASCH |
| COMMENT | Cordylanthus eremicus (Coville & C. V. Morton) Munz subsp. kernensis T. I. Chuang & Heckard | Cordylanthus eremicus (Coville & C. V. Morton) Munz subsp. kernensis T. I. Chuang & Heckard | TJM |
| COMMENT | Cordylanthus glandulosus Pennell & Clokey | To be determined | |
| COMMENT | Cordylanthus hispidus Pennell | Cordylanthus mollis A. Gray subsp. hispidus (Pennell) T. I. Chuang & Heckard | SMASCH |
| COMMENT | Cordylanthus mollis A. Gray var. viridis Jeps. ex H. L. Bauer | Cordylanthus mollis A. Gray | SMASCH |
| COMMENT | Cordylanthus nidularius J. T. Howell | Cordylanthus nidularius J. T. Howell | TJM |
| COMMENT | Cordylanthus pallescens Pennell | CORDYLANTHUS tenuis A. Gray subsp. pallescens (Pennell) Chuang & Heckard | TJM |
| COMMENT | Cordylanthus pilosus A. Gray subsp. pilosus | Cordylanthus pilosus A. Gray subsp. pilosus | SMASCH |
| COMMENT | Cordylanthus pilosus A. Gray var. bolanderi A. Gray | Cordylanthus tenuis A. Gray subsp. tenuis | SMASCH |
| COMMENT | Cordylanthus pilosus A. Gray var. brunneus Jeps. | To be determined | |
| COMMENT | Cordylanthus rigidus (Benth.) Jeps. var. sylvaticus Jeps. | To be determined | |
| COMMENT | Cordylanthus tecopensis Munz & Roos | Cordylanthus tecopensis Munz & Roos | SMASCH |
| COMMENT | Cordylanthus tenuis A. Gray subsp. barbatus T. I. Chuang & Heckard | Cordylanthus tenuis A. Gray | SMASCH |
| COMMENT | Corethrogyne filaginifolia (Hook. & Arn.) Nutt. var. glomerata H. M. Hall | To be determined | |
| COMMENT | Corethrogyne filaginifolia (Hook. & Arn.) Nutt. var. latifolia H. M. Hall | To be determined | |
| COMMENT | Corethrogyne filaginifolia (Hook. & Arn.) Nutt. var. linifolia H. M. Hall | To be determined | |
| COMMENT | Corethrogyne filaginifolia (Hook. & Arn.) Nutt. var. pacifica H. M. Hall | To be determined | |
| COMMENT | Corethrogyne viscidula Greene var. greenei Jeps. | To be determined | |
| COMMENT | Cornus californica C. A. Mey. var. nevadensis Jeps. | To be determined | |
| COMMENT | Cornus costulata Jeps. | Cornus glabrata Benth. | SMASCH |
| COMMENT | Cornus greenei J. M. Coult. & W. H. Evans | To be determined | |
| COMMENT | Corylus rostrata Aiton var. tracyi Jeps. | To be determined | |
| COMMENT | Cotyledon caespitosa Haw. var. paniculata Jeps. | Dudleya cymosa (Lem.) Britton & Rose subsp. paniculata (Jeps.) K. M. Nakai | SMASCH |
| COMMENT | Cotyledon laxa (Lindl.) Benth. & Hook. f. ex W. H. Brewer & S. Watson var. setchellii Jeps. | To be determined | |
| COMMENT | Cotyledon plattiana Jeps. | To be determined | |
| COMMENT | Cotyledon saxosum M. E. Jones | Dudleya saxosa (M. E. Jones) Britton & Rose | SMASCH |
| COMMENT | Cotyledon viscida S. Watson | Dudleya viscida (S. Watson) Moran | SMASCH |
| COMMENT | Cowania mexicana D. Don var. dubia Brandegee | To be determined | |
| COMMENT | Crepis bakeri Greene | Crepis bakeri Greene | SMASCH |
| COMMENT | Crepis occidentalis Nutt. subsp. conjuncta Jeps. ex Babc. & Stebbins | Crepis occidentalis Nutt. | SMASCH |
| COMMENT | Crepis runcinata (E. James) Torr. & A. Gray subsp. hallii Babc. & Stebbins | Crepis runcinata (E. James) Torr. & A. Gray subsp. hallii Babc. & Stebbins | SMASCH |
| COMMENT | Crossostephium insulare Rydb. | Artemisia californica Less. | SMASCH |
| COMMENT | Cryptantha abramsii I. M. Johnst. | Cryptantha clevelandii Greene | SMASCH |
| COMMENT | Cryptantha brandegei I. M. Johnst. | Cryptantha leiocarpa (Fisch. & C. A. Mey.) Greene | SMASCH |
| COMMENT | Cryptantha clevelandii Greene | Cryptantha clevelandii Greene | SMASCH |
| COMMENT | Cryptantha clokeyi I. M. Johnst. | Cryptantha clokeyi I. M. Johnst. | SMASCH |
| COMMENT | Cryptantha costata Brandegee | Cryptantha costata Brandegee | SMASCH |
| COMMENT | Cryptantha crymophila I. M. Johnst. | Cryptantha crymophila I. M. Johnst. | SMASCH |
| COMMENT | Cryptantha excavata Brandegee | Cryptantha excavata Brandegee | SMASCH |
| COMMENT | Cryptantha geminata Greene | Cryptantha affinis (A. Gray) Greene | SMASCH |
| COMMENT | Cryptantha glomeriflora Greene | Cryptantha glomeriflora Greene | SMASCH |
| COMMENT | Cryptantha hispidula Greene ex Brand | Cryptantha hispidula Greene ex Brand | TJM |
| COMMENT | Cryptantha hooveri I. M. Johnst. | Cryptantha hooveri I. M. Johnst. | SMASCH |
| COMMENT | Cryptantha inaequata I. M. Johnst. | To be determined | |
| COMMENT | Cryptantha leiocarpa (Fisch. & C. A. Mey.) Greene | Cryptantha leiocarpa (Fisch. & C. A. Mey.) Greene | SMASCH |
| COMMENT | Cryptantha pterocarya (Torr.) Greene var. purpusii Jeps. | To be determined | |
| COMMENT | Cryptantha racemosa (S. Watson) Greene var. lignosa I. M. Johnston | To be determined | |
| COMMENT | Cryptantha saxorum Jeps. | To be determined | |
| COMMENT | Cryptantha seorsa J. F. Macbr. | Cryptantha costata Brandegee | SMASCH |
| COMMENT | Cryptantha similis K. Mathew & P. H. Raven | Cryptantha similis K. Mathew & P. H. Raven | SMASCH |
| COMMENT | Cryptantha simulans Greene | Cryptantha simulans Greene | SMASCH |
| COMMENT | Cryptantha spithamaea I. M. Johnst. | Cryptantha flaccida (Douglas ex Lehm.) Greene | SMASCH |
| COMMENT | Cryptantha torreyana (A. Gray) Greene | Cryptantha torreyana (A. Gray) Greene | SMASCH |
| COMMENT | Cryptantha torreyana (A. Gray) Greene var. calistogae I. M. Johnst. | Cryptantha torreyana (A. Gray) Greene | SMASCH |
| COMMENT | Cryptantha torreyana (A. Gray) Greene var. pumila (A. Heller) I. M. Johnst. | Cryptantha torreyana (A. Gray) Greene | SMASCH |
| COMMENT | Cryptantha trifurca Eastw. | Cryptantha intermedia (A. Gray) Greene | SMASCH |
| COMMENT | Cupressus bakeri Jeps. | Cupressus bakeri Jeps. | TJM |
| COMMENT | Cupressus forbesii Jeps. | Cupressus guadalupensis UNDETERMINED AUTHOR var. forbesii (Jeps.) Little | SMASCH |
| COMMENT | Cupressus goveniana Gordon var. pigmaea Lemmon | To be determined | |
| COMMENT | Cupressus sargentii Jeps. | Cupressus sargentii Jeps. | TJM |
| COMMENT | Cupressus sargentii Jeps. var. duttonii Jeps. | To be determined | |
| COMMENT | Cuscuta jepsonii Yunker | Ceanothus diversifolius Kellogg | SMASCH |
| COMMENT | Cycladenia venusta Eastw. | To be determined | |
| COMMENT | Cymopterus cinerarius A. Gray | Cymopterus cinerarius A. Gray | SMASCH |
| COMMENT | Cymopterus deserticola Brandegee | Cymopterus deserticola Brandegee | SMASCH |
| COMMENT | Cynoglossum austinae Eastw. | To be determined | |
| COMMENT | Cyperus diandrus Torr. var. castaneus (Pursh) Torr. | Cyperus niger Ruiz & Pav. | SMASCH |
| COMMENT | Cyperus parishii Britton | Cyperus parishii Britton | SMASCH |