Basionyms with initial letter A
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CALIFORNIA
TYPE
SPECIMENS Basionyms with initial letter A |
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| Feedback | Basionym | Accepted name | Source |
|---|---|---|---|
| COMMENT | Abies magnifica A. Murray bis var. shastensis Lemmon | Abies magnifica A. Murray bis var. shastensis Lemmon | TJM |
| COMMENT | Abronia alpina Brandegee | Abronia alpina Brandegee | SMASCH |
| COMMENT | Abronia turbinata Torr. ex S. Watson | Abronia pogonantha Heimerl | SMASCH |
| COMMENT | Abronia umbellata Lam. | Abronia umbellata Lam. subsp. variabilis (Standl.) Munz | SMASCH |
| COMMENT | Acanthogonum polygonoides (Torr. & A. Gray) Goodman | To be determined | |
| COMMENT | Acanthogonum polygonoides (Torr. & A. Gray) Goodman var. longispinum Goodman | Chorizanthe polygonoides Torr. & A. Gray subsp. longispina (Goodman) Munz | SMASCH |
| COMMENT | Acanthomintha obovata Jeps. | Acanthomintha obovata Jeps. subsp. obovata | SMASCH |
| COMMENT | Acer auritum Greene | Acer macrophyllum Pursh | SMASCH |
| COMMENT | Acer glabrum Torr. var. greenei A. C. Keller | Acer glabrum Torr. var. greenei A. C. Keller | SMASCH |
| COMMENT | Achillea millefolium L. var. maritima Jeps. | Achillea millefolium L. var. maritima Jeps. | SMASCH |
| COMMENT | Achillea puberula Rydb. | Achillea millefolium L. | SMASCH |
| COMMENT | Achlys californica Fukuda & H. G. Baker | Achlys californica Fukuda & H. G. Baker | SMASCH |
| COMMENT | Achyronychia rixfordii Brandegee | To be determined | |
| COMMENT | Aconitum geranioides Greene | Aconitum columbianum Nutt. | SMASCH |
| COMMENT | Aconitum helleri Greene | Aconitum columbianum Nutt. | SMASCH |
| COMMENT | Acrolasia desertorum Davidson | Mentzelia involucrata S. Watson | SMASCH |
| COMMENT | Acrolasia micrantha Davidson var. stricta Davidson | To be determined | |
| COMMENT | Acrolasia montana Davidson | Mentzelia montana (Davidson) Davidson | SMASCH |
| COMMENT | Acrolasia tridentata Davidson | To be determined | |
| COMMENT | Actinolepis multicaulis DC. var. papposa A. Gray | Eriophyllum multicaule (DC.) A. Gray | SMASCH |
| COMMENT | Adenostegia hansenii Ferris | Cordylanthus pilosus A. Gray subsp. hansenii (Ferris) T. I. Chuang & Heckard | SMASCH |
| COMMENT | Adenostegia palmata Ferris | Cordylanthus palmatus (Ferris) J. F. Macbr. | SMASCH |
| COMMENT | Adiantum jordanii Müll.Berol. | To be determined | |
| COMMENT | Adiantum × tracyi C. C. Hall ex W. H. Wagner | Adiantum × tracyi C. C. Hall ex W. H. Wagner | SMASCH |
| COMMENT | Aegochloa atractyloides Benth. | Navarretia atractyloides (Benth.) Hook. & Arn. | SMASCH |
| COMMENT | Aegochloa cotulaefolia Benth. | To be determined | |
| COMMENT | Aegochloa pubescens Benth. | Navarretia pubescens (Benth.) Hook. & Arn. | SMASCH |
| COMMENT | Agoseris dasycarpa Greene | Agoseris glauca (Pursh) Raf. | SMASCH |
| COMMENT | Agropyron arenicola Burtt Davy | Leymus pacificus (Gould) Dewey | SMASCH |
| COMMENT | Agrostis kennedyana Beetle | To be determined | |
| COMMENT | Agrostis longiligula Hitchc. var. australis J. T. Howell | Agrostis exarata Trin. | SMASCH |
| COMMENT | Aliciella triodon Brand var. humillima Brand | Gilia leptomeria A. Gray | SMASCH |
| COMMENT | Allionia brandegei Standl. | Mirabilis pumila (Standl.) Standl. | SMASCH |
| COMMENT | Allium anserinum Jeps. | To be determined | |
| COMMENT | Allium bolanderi S. Watson | Allium bolanderi S. Watson | SMASCH |
| COMMENT | Allium breweri S. Watson | Allium falcifolium Hook. & Arn. | SMASCH |
| COMMENT | Allium campanulatum S. Watson | Allium campanulatum S. Watson | SMASCH |
| COMMENT | Allium falcifolium Hook. & Arn. var. demissum Jeps. | Allium falcifolium Hook. & Arn. var. demissum Jeps. | SMASCH |
| COMMENT | Allium fimbriatum S. Watson var. aboriginum Jeps. | To be determined | |
| COMMENT | Allium fimbriatum S. Watson var. abramsii Ownbey & Aase | Allium abramsii (Ownbey & Aase) McNeal | SMASCH |
| COMMENT | Allium fimbriatum S. Watson var. denticulatum Ownbey & Aase | Allium denticulatum (Ownbey & Aase) McNeal | SMASCH |
| COMMENT | Allium fimbriatum S. Watson var. diabolense Ownbey & Aase | Allium diabolense (Ownbey & Aase) McNeal | SMASCH |
| COMMENT | Allium fimbriatum S. Watson var. mohavense Jeps. | Allium fimbriatum S. Watson var. mohavense Jeps. | TJM |
| COMMENT | Allium fimbriatum S. Watson var. sharsmithiae Ownbey & Aase | Allium sharsmithiae (Traub) McNeal | SMASCH |
| COMMENT | Allium howellii Eastw. var. clokeyi Traub | Allium sanbornii A. W. Wood | SMASCH |
| COMMENT | Allium intactum Jeps. | Allium intactum Jeps. | SMASCH |
| COMMENT | Allium modocense Jeps. | To be determined | |
| COMMENT | Allium monospermum Jeps. | Allium monospermum Jeps. | SMASCH |
| COMMENT | Allium peirsonii Jeps. | To be determined | |
| COMMENT | Allium sanbornii A. W. Wood var. congdonii Jeps. | Allium sanbornii A. W. Wood subsp. intactum (Jeps.) Traub | SMASCH |
| COMMENT | Allium sanbornii A. W. Wood var. tuolumnense Ownbey & Aase | Allium tuolumnense (Ownbey & Aase) S. S. Denison & McNeal | SMASCH |
| COMMENT | Allium sharsmithiae (Traub) McNeal | Allium sharsmithiae (Traub) McNeal | SMASCH |
| COMMENT | Allium stenanthum Drew | Allium stenanthum Drew | SMASCH |
| COMMENT | Allocarya acanthocarpa Piper | To be determined | |
| COMMENT | Allocarya austiniae Greene | Plagiobothrys austiniae (Greene) I. M. Johnst. | SMASCH |
| COMMENT | Allocarya diffusa Greene | Plagiobothrys reticulatus (Piper) I. M. Johnst. var. rossianorum I. M. Johnst. | SMASCH |
| COMMENT | Allocarya distantiflora Piper | To be determined | |
| COMMENT | Allocarya echinoglochin Greene | To be determined | |
| COMMENT | Allocarya glyptocarpa Piper | Plagiobothrys glyptocarpus (Piper) I. M. Johnst. | SMASCH |
| COMMENT | Allocarya gracilis Piper | To be determined | |
| COMMENT | Allocarya humistrata Greene | Allocarya humistrata Greene | SMASCH |
| COMMENT | Allocarya humistrata Greene var. similis Jeps. | Allocarya humistrata Greene | SMASCH |
| COMMENT | Allocarya hystricula Piper | Plagiobothrys hystriculus (Piper) I. M. Johnst. | SMASCH |
| COMMENT | Allocarya interrasilis Piper | Allocarya californica (Fisch. & C. A. Mey.) Greene | SMASCH |
| COMMENT | Allocarya minuta Piper | To be determined | |
| COMMENT | Allocarya pratensis Piper | To be determined | |
| COMMENT | Allocarya reticulata Piper | To be determined | |
| COMMENT | Allocarya salina Jeps. | To be determined | |
| COMMENT | Allocarya salsa Brandegee | Allocarya salsa Brandegee | SMASCH |
| COMMENT | Allocarya scalpta Piper | Allocarya californica (Fisch. & C. A. Mey.) Greene | SMASCH |
| COMMENT | Allocarya stipitata Greene | Plagiobothrys stipitatus (Greene) I. M. Johnst. var. micranthus (Piper) I. M. Johnst. | SMASCH |
| COMMENT | Allocarya stipitata Greene subsp. micrantha Piper | Plagiobothrys stipitatus (Greene) I. M. Johnst. var. micranthus (Piper) I. M. Johnst. | SMASCH |
| COMMENT | Allocarya stricta Greene | Plagiobothrys strictus (Greene) I. M. Johnst. | SMASCH |
| COMMENT | Allocarya trachycarpa (A. Gray) Greene | Plagiobothrys trachycarpus (A. Gray) I. M. Johnst. | SMASCH |
| COMMENT | Allophyllum integrifolium (Brand) A. D. Grant & V. E. Grant | Allophyllum integrifolium (Brand) A. D. Grant & V. E. Grant | TJM |
| COMMENT | Amarella copelandii Greene | Gentianella amarella (L.) Börner subsp. acuta (Michx.) J. M. Gillett | SMASCH |
| COMMENT | Amelanchier gracilis A. Heller | Amelanchier utahensis Koehne | SMASCH |
| COMMENT | Ammoselinum occidentale Munz and D. D. Keck | Ammoselinum giganteum J. M. Coult. & Rose | SMASCH |
| COMMENT | Amorpha californica Nutt. var. napensis Jeps. | Amorpha californica Nutt. var. napensis Jeps. | TJM |
| COMMENT | Amorpha occidentalis Abrams | Amorpha fruticosa L. | SMASCH |
| COMMENT | Amsinckia Lehm. | Amsinckia menziesii (Lehm.) A. Nelson & J. F. Macbr. var. intermedia (Fisch. & C. A. Mey.) Ganders | SMASCH |
| COMMENT | Amsinckia abbreviata Suksd. | To be determined | |
| COMMENT | Amsinckia ammophila Suksd. | Amsinckia lycopsoides Lehm. | SMASCH |
| COMMENT | Amsinckia amplexicaulis Suksd. | To be determined | |
| COMMENT | Amsinckia angustata Suksd. | To be determined | |
| COMMENT | Amsinckia angustisepala Suksd. | To be determined | |
| COMMENT | Amsinckia anomala Suksd. | To be determined | |
| COMMENT | Amsinckia appressa Suksd. | To be determined | |
| COMMENT | Amsinckia aurea Suksd. | Amsinckia lycopsoides Lehm. | SMASCH |
| COMMENT | Amsinckia brachycalyx Suksd. | To be determined | |
| COMMENT | Amsinckia brandegeae Suksd. | To be determined | |
| COMMENT | Amsinckia californica Suksd. | To be determined | |
| COMMENT | Amsinckia catalinensis Suksd. | To be determined | |
| COMMENT | Amsinckia celsa Suksd. | To be determined | |
| COMMENT | Amsinckia cinerea Suksd. | Amsinckia lunaris J. F. Macbr. | SMASCH |
| COMMENT | Amsinckia congesta Suksd. | To be determined | |
| COMMENT | Amsinckia conica Suksd. | Amsinckia tessellata A. Gray | SMASCH |
| COMMENT | Amsinckia conspicua Suksd. | Amsinckia spectabilis Fisch. & C. A. Mey. | SMASCH |
| COMMENT | Amsinckia copelandii Suksd. | To be determined | |
| COMMENT | Amsinckia cuneata Suksd. | Amsinckia tessellata A. Gray | SMASCH |
| COMMENT | Amsinckia decumbens Suksd. | Amsinckia intermedia Fisch. & C. A. Mey. | SMASCH |
| COMMENT | Amsinckia densiflora Suksd. | To be determined | |
| COMMENT | Amsinckia dimorpha Suksd. | To be determined | |
| COMMENT | Amsinckia disjuncta Suksd. | To be determined | |
| COMMENT | Amsinckia divergens Suksd. | Amsinckia spectabilis Fisch. & C. A. Mey. | SMASCH |
| COMMENT | Amsinckia diversifolia Suksd. | Amsinckia spectabilis Fisch. & C. A. Mey. | SMASCH |
| COMMENT | Amsinckia dudleyi Suksd. | To be determined | |
| COMMENT | Amsinckia elongata Suksd. | Amsinckia intermedia Fisch. & C. A. Mey. | SMASCH |
| COMMENT | Amsinckia furcata Suksd. | Amsinckia furcata Suksd. | SMASCH |
| COMMENT | Amsinckia glomerata Suksd. | To be determined | |
| COMMENT | Amsinckia hallii Suksd. | To be determined | |
| COMMENT | Amsinckia hirsuta Suksd. | To be determined | |
| COMMENT | Amsinckia hirticaulis Suksd. | To be determined | |
| COMMENT | Amsinckia insularis Suksd. | Amsinckia intermedia Fisch. & C. A. Mey. | SMASCH |
| COMMENT | Amsinckia johnstonii Suksd. | Amsinckia eastwoodiae J. F. Macbr. | SMASCH |
| COMMENT | Amsinckia lacunosa Suksd. | To be determined | |
| COMMENT | Amsinckia lanceolata Suksd. | Amsinckia spectabilis Fisch. & C. A. Mey. | SMASCH |
| COMMENT | Amsinckia lancifolia Suksd. | To be determined | |
| COMMENT | Amsinckia latiflora Suksd. | To be determined | |
| COMMENT | Amsinckia latifolia Suksd. | Amsinckia lycopsoides Lehm. | SMASCH |
| COMMENT | Amsinckia laxa Suksd. | To be determined | |
| COMMENT | Amsinckia leptosperma Suksd. | To be determined | |
| COMMENT | Amsinckia leptostachya Suksd. | Amsinckia intermedia Fisch. & C. A. Mey. | SMASCH |
| COMMENT | Amsinckia littoralis Greene | To be determined | |
| COMMENT | Amsinckia longifolia Suksd. | To be determined | |
| COMMENT | Amsinckia longistylis Suksd. | To be determined | |
| COMMENT | Amsinckia macrantha Suksd. | To be determined | |
| COMMENT | Amsinckia manningiae Suksd. | Amsinckia intermedia Fisch. & C. A. Mey. | SMASCH |
| COMMENT | Amsinckia maritima Eastw. | To be determined | |
| COMMENT | Amsinckia microsperma Suksd. | To be determined | |
| COMMENT | Amsinckia mojavensis Suksd. | Amsinckia tessellata A. Gray | SMASCH |
| COMMENT | Amsinckia multiflora Suksd. | To be determined | |
| COMMENT | Amsinckia multispicata Suksd. | To be determined | |
| COMMENT | Amsinckia oblongifolia Suksd. | Amsinckia lycopsoides Lehm. | SMASCH |
| COMMENT | Amsinckia ovata Suksd. | Amsinckia intermedia Fisch. & C. A. Mey. | SMASCH |
| COMMENT | Amsinckia parishii Suksd. | Amsinckia spectabilis Fisch. & C. A. Mey. | SMASCH |
| COMMENT | Amsinckia perrugosa Suksd. | To be determined | |
| COMMENT | Amsinckia punctata Suksd. | To be determined | |
| COMMENT | Amsinckia purpusii Suksd. | Amsinckia tessellata A. Gray | SMASCH |
| COMMENT | Amsinckia ramosissima Suksd. | To be determined | |
| COMMENT | Amsinckia remotifructus Suksd. | To be determined | |
| COMMENT | Amsinckia rostellata Suksd. | Amsinckia tessellata A. Gray | SMASCH |
| COMMENT | Amsinckia salebrosa Suksd. | To be determined | |
| COMMENT | Amsinckia setosissima Suksd. | Amsinckia tessellata A. Gray | SMASCH |
| COMMENT | Amsinckia sparsiflora Suksd. | To be determined | |
| COMMENT | Amsinckia splendens Suksd. | Amsinckia spectabilis Fisch. & C. A. Mey. | SMASCH |
| COMMENT | Amsinckia st-nicolai Eastw. | To be determined | |
| COMMENT | Amsinckia straminea Suksd. | To be determined | |
| COMMENT | Amsinckia tessellata A. Gray | Amsinckia tessellata A. Gray | SMASCH |
| COMMENT | Amsinckia verrucosa Suksd. | Amsinckia intermedia Fisch. & C. A. Mey. | SMASCH |
| COMMENT | Amsinckia vulgaris Suksd. | Amsinckia intermedia Fisch. & C. A. Mey. | SMASCH |
| COMMENT | Amsonia brevifolia A. Gray | Amsonia tomentosa Torr. & Frém. | SMASCH |
| COMMENT | Anaphalis sierrae A. Heller | Anaphalis margaritacea (L.) Benth. & Hook. f. | SMASCH |
| COMMENT | Angelica californica Jeps. | Angelica californica Jeps. | SMASCH |
| COMMENT | Angelica callii Mathias & Constance | Angelica breweri A. Gray | SMASCH |
| COMMENT | Angelica lineariloba A. Gray var. culbertsonii Jeps. | Angelica lineariloba A. Gray | SMASCH |
| COMMENT | Angelica scabrida Clokey & Mathias ex Clokey | To be determined | |
| COMMENT | Angelica tomentosa S. Watson var. elata Jeps. | Angelica tomentosa S. Watson | SMASCH |
| COMMENT | Antennaria dioica (L.) Gaertn. var. kernensis Jeps. | To be determined | |
| COMMENT | Antennaria media Greene subsp. ciliata E. E. Nelson | Antennaria pulchella Greene | SMASCH |
| COMMENT | Antennaria microcephala A. Gray | Antennaria luzuloides Torr. & A. Gray | SMASCH |
| COMMENT | Antennaria pulchella Greene | Antennaria pulchella Greene | SMASCH |
| COMMENT | Antennaria pyramidata Greene | Antennaria luzuloides Torr. & A. Gray | SMASCH |
| COMMENT | Antennaria scabra Greene | Antennaria pulchella Greene | SMASCH |
| COMMENT | Anthurium × cultorum Birdsey | To be determined | |
| COMMENT | Anthurium × hortulanum Birdsey | To be determined | |
| COMMENT | Antirrhinum cornutum Benth. var. venosum Jeps. | To be determined | |
| COMMENT | Antirrhinum elmeri Rothm. | Antirrhinum vexillocalyculatum Kellogg subsp. vexillocalyculatum | SMASCH |
| COMMENT | Antirrhinum glandulosum Kellogg | Antirrhinum vexillocalyculatum Kellogg subsp. vexillocalyculatum | SMASCH |
| COMMENT | Antirrhinum leptaleum A. Gray | Antirrhinum leptaleum A. Gray | SMASCH |
| COMMENT | Antirrhinum ovatum Eastw. | Antirrhinum ovatum Eastw. | SMASCH |
| COMMENT | Antirrhinum subcordatum A. Gray | Antirrhinum subcordatum A. Gray | SMASCH |
| COMMENT | Antirrhinum vagans A. Gray var. rimorum Jeps. | Antirrhinum breweri A. Gray | SMASCH |
| COMMENT | Antirrhinum vexillo-calyculatum Kellogg | Antirrhinum vexillocalyculatum Kellogg subsp. vexillocalyculatum | SMASCH |
| COMMENT | Antirrhinum vexillocalyculatum Kellogg subsp. intermedium D. M. Thomps. | To be determined | |
| COMMENT | Aphyllon uniflorum A. Gray var. occidentale Greene | To be determined | |
| COMMENT | Aphyllon violaceum Eastw. | To be determined | |
| COMMENT | Aplopappus bloomeri A. Gray | Ericameria bloomeri (A. Gray) J. F. Macbr. | SMASCH |
| COMMENT | Apocynum androsaemifolium L. var. nevadense Jeps. | To be determined | |
| COMMENT | Apocynum diversifolium Greene | Apocynum androsaemifolium L. | SMASCH |
| COMMENT | Apocynum oblongum Greene | Apocynum cannabinum L. | SMASCH |
| COMMENT | Apocynum palustre Greene | Apocynum cannabinum L. | SMASCH |
| COMMENT | Apocynum rhomboideum Greene | Apocynum androsaemifolium L. | SMASCH |
| COMMENT | Apocynum viarum A. Heller | Apocynum androsaemifolium L. | SMASCH |
| COMMENT | Aquilegia tracyi Jeps. | To be determined | |
| COMMENT | Arabis arcuata (Nutt.) A. Gray var. rubicundula Jeps. | To be determined | |
| COMMENT | Arabis bodiensis Rollins | Arabis bodiensis Rollins | SMASCH |
| COMMENT | Arabis breweri S. Watson | Arabis breweri S. Watson | SMASCH |
| COMMENT | Arabis breweri S. Watson var. figularis Jeps. | To be determined | |
| COMMENT | Arabis cognata Jeps. | To be determined | |
| COMMENT | Arabis conferta Greene | Arabis platysperma A. Gray | SMASCH |
| COMMENT | Arabis constancei Rollins | Arabis constancei Rollins | SMASCH |
| COMMENT | Arabis davidsonii Greene | Arabis davidsonii Greene | SMASCH |
| COMMENT | Arabis inamoena Greene | Arabis repanda S. Watson var. greenei Jeps. | SMASCH |
| COMMENT | Arabis inamoena Greene var. acutata Jeps. | Arabis inamoena Greene | SMASCH |
| COMMENT | Arabis inyoensis Rollins | Arabis inyoensis Rollins | SMASCH |
| COMMENT | Arabis oligantha Greene | Arabis platysperma A. Gray | SMASCH |
| COMMENT | Arabis parishii S. Watson | Arabis parishii S. Watson | SMASCH |
| COMMENT | Arabis paupercula Greene | Arabis lemmonii S. Watson | SMASCH |
| COMMENT | Arabis platyloba Greene | To be determined | |
| COMMENT | Arabis platysperma A. Gray | Arabis platysperma A. Gray | SMASCH |
| COMMENT | Arabis platysperma A. Gray var. imparata Jeps. | To be determined | |
| COMMENT | Arabis polyclada Greene | Arabis lemmonii S. Watson | SMASCH |
| COMMENT | Arabis polytricha Greene | Arabis sparsiflora Nutt. var. subvillosa (S. Watson) Rollins | SMASCH |
| COMMENT | Arabis pulchra M. E. Jones ex S. Watson var. viridis Jeps. | Arabis perennans S. Watson | SMASCH |
| COMMENT | Arabis repanda S. Watson | Arabis repanda S. Watson | SMASCH |
| COMMENT | Arabis repanda S. Watson var. greenei Jeps. | Arabis repanda S. Watson var. greenei Jeps. | TJM |
| COMMENT | Arabis rollei Rollins | Arabis L. | SMASCH |
| COMMENT | Arabis suffrutescens S. Watson var. perstylosa Rollins | Arabis constancei Rollins | SMASCH |
| COMMENT | Aralia californica S. Watson | Aralia californica S. Watson | SMASCH |
| COMMENT | Arctostaphylos andersonii A. Gray var. pajaroensis J. E. Adams ex McMinn | Arctostaphylos pajaroensis (J. E. Adams ex McMinn) J. E. Adams | SMASCH |
| COMMENT | Arctostaphylos arguta Zucc. var. diversifolia Parry | To be determined | |
| COMMENT | Arctostaphylos bowermaniae Roof | Arctostaphylos manzanita Parry subsp. laevigata (Eastw.) Munz | SMASCH |
| COMMENT | Arctostaphylos catalinae P. V. Wells | Arctostaphylos catalinae P. V. Wells | SMASCH |
| COMMENT | Arctostaphylos chaloneorum Roof | Arctostaphylos pungens Kunth subsp. chaloneorum (Roof) Roof | SMASCH |
| COMMENT | Arctostaphylos columbiana Piper | Arctostaphylos columbiana Piper | SMASCH |
| COMMENT | Arctostaphylos diversifolia (Parry) Parry ex A. Gray | To be determined | |
| COMMENT | Arctostaphylos elegans Eastw. | Arctostaphylos manzanita Parry | SMASCH |
| COMMENT | Arctostaphylos glandulosa Eastw. var. australis J. E. Adams | Arctostaphylos glandulosa Eastw. subsp. glandulosa | SMASCH |
| COMMENT | Arctostaphylos glandulosa Eastw. var. crassifolia Jeps. | Arctostaphylos glandulosa Eastw. var. crassifolia Jeps. | SMASCH |
| COMMENT | Arctostaphylos glandulosa Eastw. var. mollis J. E. Adams | ARCTOSTAPHYLOS glandulosa Eastw. subsp. mollis (J. Adams) P. Wells | TJM |
| COMMENT | Arctostaphylos glauca Lindl. f. eremicola (Jeps.) P. V. Wells | To be determined | |
| COMMENT | Arctostaphylos glutinosa B. Schreib. | Arctostaphylos glutinosa B. Schreib. | SMASCH |
| COMMENT | Arctostaphylos hookeri G. Don subsp. ravenii P. V. Wells | Arctostaphylos hookeri G. Don subsp. ravenii P. V. Wells | SMASCH |
| COMMENT | Arctostaphylos hooveri P. V. Wells | Arctostaphylos hooveri P. V. Wells | SMASCH |
| COMMENT | Arctostaphylos luciana P. V. Wells | Arctostaphylos luciana P. V. Wells | SMASCH |
| COMMENT | Arctostaphylos manzanita Parry subsp. wieslanderi P. V. Wells | Arctostaphylos manzanita Parry subsp. wieslanderi P. V. Wells | TJM |
| COMMENT | Arctostaphylos manzanita Parry var. apiculata Jeps. | Arctostaphylos manzanita Parry | SMASCH |
| COMMENT | Arctostaphylos mariposa Dudley var. bivisa Jeps. | Arctostaphylos mariposa Dudley var. bivisa Jeps. | SMASCH |
| COMMENT | Arctostaphylos morroensis Wiesl. & B. Schreib. | Arctostaphylos obispoensis Eastw. | SMASCH |
| COMMENT | Arctostaphylos nisseniana Merriam var. arcana Jeps. | Arctostaphylos nisseniana Merriam | SMASCH |
| COMMENT | Arctostaphylos nummularia A. Gray | Arctostaphylos nummularia A. Gray | SMASCH |
| COMMENT | Arctostaphylos obispoensis Eastw. | Arctostaphylos obispoensis Eastw. | SMASCH |
| COMMENT | Arctostaphylos otayensis Wiesl. & B. Schreib. | Arctostaphylos otayensis Wiesl. & B. Schreib. | SMASCH |
| COMMENT | Arctostaphylos parryana Lemmon | Arctostaphylos parryana Lemmon | SMASCH |
| COMMENT | Arctostaphylos pastillosa Jeps. | Arctostaphylos mewukka Merriam | SMASCH |
| COMMENT | Arctostaphylos patula Greene var. incarnata Jeps. | To be determined | |
| COMMENT | Arctostaphylos pilosula Jeps. & Wiesl. | Arctostaphylos pilosula Jeps. & Wiesl. | TJM |
| COMMENT | Arctostaphylos pilosula Jeps. & Wiesl. subsp. pismoensis P. V. Wells | To be determined | |
| COMMENT | Arctostaphylos pseudopungens Roof | Arctostaphylos pseudopungens Roof | SMASCH |
| COMMENT | Arctostaphylos purissima P. V. Wells | Arctostaphylos purissima P. V. Wells | SMASCH |
| COMMENT | Arctostaphylos refugioensis Gankin | Arctostaphylos refugioensis Gankin | SMASCH |
| COMMENT | Arctostaphylos roofii Gankin | Arctostaphylos roofii Gankin | SMASCH |
| COMMENT | Arctostaphylos rosei Eastw. | Arctostaphylos tomentosa (Pursh) Lindl. subsp. rosei (Eastw.) P. V. Wells | SMASCH |
| COMMENT | Arctostaphylos rudis Jeps. & Wiesl. | Arctostaphylos rudis Jeps. & Wiesl. | SMASCH |
| COMMENT | Arctostaphylos sensitiva Jeps. | Arctostaphylos sensitiva Jeps. | SMASCH |
| COMMENT | Arctostaphylos serpentinicola Roof | Arctostaphylos serpentinicola Roof | SMASCH |
| COMMENT | Arctostaphylos silvicola Jeps. & Wiesl. | Arctostaphylos silvicola Jeps. & Wiesl. | TJM |
| COMMENT | Arctostaphylos sonomensis Eastw. | Arctostaphylos canescens Eastw. subsp. sonomensis (Eastw.) P. V. Wells | SMASCH |
| COMMENT | Arctostaphylos stanfordiana Parry subsp. raichei W. Knight | Arctostaphylos stanfordiana Parry subsp. raichei W. Knight | SMASCH |
| COMMENT | Arctostaphylos tomentosa (Pursh) Lindl. subsp. eastwoodiana P. V. Wells | Arctostaphylos tomentosa (Pursh) Lindl. subsp. eastwoodiana P. V. Wells | SMASCH |
| COMMENT | Arctostaphylos tomentosa (Pursh) Lindl. subsp. insulicola P. V. Wells | Arctostaphylos tomentosa (Pursh) Lindl. subsp. insulicola P. V. Wells | SMASCH |
| COMMENT | Arctostaphylos tomentosa (Pursh) Lindl. var. crassifolia Jeps. | Arctostaphylos glandulosa Eastw. var. crassifolia Jeps. | SMASCH |
| COMMENT | Arctostaphylos tomentosa (Pursh) Lindl. var. crinita J. E. Adams ex McMinn | To be determined | |
| COMMENT | Arctostaphylos tracyi Eastw. | Arctostaphylos columbiana Piper | SMASCH |
| COMMENT | Arctostaphylos × benitoensis Roof | Arctostaphylos pungens Kunth | SMASCH |
| COMMENT | Arenaria douglasii Fenzl ex Torr. & A. Gray var. emarginata H. Sharsm. | Minuartia douglasii (Fenzl ex Torr. & A. Gray) Mattf. var. emarginata (H. Sharsm.) McNeill | SMASCH |
| COMMENT | Arenaria macradenia S. Watson subsp. ferrisiae Abrams | Arenaria macradenia S. Watson subsp. ferrisiae Abrams | SMASCH |
| COMMENT | Arenaria nuttallii Pax var. gracilis B. L. Rob. | Minuartia nuttallii (Pax) Briq. subsp. gracilis (B. L. Rob.) McNeill | SMASCH |
| COMMENT | Arenaria pusilla S. Watson var. diffusa Maguire | Minuartia californica (A. Gray) Mattf. | SMASCH |
| COMMENT | Arenaria rosei Maguire & Barneby | Minuartia rosei (Maguire & Barneby) McNeill | SMASCH |
| COMMENT | Argemone corymbosa Greene subsp. corymbosa | Argemone corymbosa Greene | SMASCH |
| COMMENT | Argemone munita Durand & Hilg. subsp. argentea G. B. Ownbey | Argemone munita Durand & Hilg. | SMASCH |
| COMMENT | Argentina occidentalis Rydb. | Potentilla anserina L. subsp. pacifica (Howell) Rousi | SMASCH |
| COMMENT | Argythamnia californica Brandegee | Ditaxis californica (Brandegee) A. Heller | SMASCH |
| COMMENT | Argythamnia clariana Jeps. | Argythamnia clariana Jeps. | SMASCH |
| COMMENT | Aristida californica Thurb. ex S. Watson | Aristida californica Thurb. ex S. Watson var. californica | SMASCH |
| COMMENT | Aristocapsa insignis (Curran) Reveal & Hardham | Aristocapsa insignis (Curran) Reveal & Hardham | SMASCH |
| COMMENT | Arnica bernardina Greene | Arnica chamissonis Less. subsp. foliosa (Nutt.) Maguire | SMASCH |
| COMMENT | Arnica bruceae Rydb. | Arnica chamissonis Less. subsp. foliosa (Nutt.) Maguire | SMASCH |
| COMMENT | Arnica ciliaris Rydb. | Arnica longifolia D. C. Eaton | SMASCH |
| COMMENT | Arnica parviflora A. Gray | Arnica discoidea Benth. | SMASCH |
| COMMENT | Arnica sanhedrensis Rydb. | Arnica discoidea Benth. | SMASCH |
| COMMENT | Arnica scaberrima Greene | Arnica mollis Hook. | SMASCH |
| COMMENT | Arnica sonnei Greene | Arnica parryi A. Gray | SMASCH |
| COMMENT | Arnica tomentella Greene | Arnica tomentella Greene | SMASCH |
| COMMENT | Arnica venosa H. M. Hall | Arnica venosa H. M. Hall | SMASCH |
| COMMENT | Arnica viscosa A. Gray | Arnica viscosa A. Gray | SMASCH |
| COMMENT | Artemisia bolanderi A. Gray | Artemisia cana Pursh subsp. bolanderi (A. Gray) G. H. Ward | SMASCH |
| COMMENT | Artemisia palmeri A. Gray | Artemisia palmeri A. Gray | SMASCH |
| COMMENT | Artemisia parishii A. Gray | To be determined | |
| COMMENT | Artemisia rothrockii A. Gray | Artemisia rothrockii A. Gray | SMASCH |
| COMMENT | Asarum lemmonii S. Watson | Asarum lemmonii S. Watson | TJM |
| COMMENT | Asclepias eriocarpa Benth. var. microcarpa Munz & I. M. Johnst. | Asclepias eriocarpa Benth. | SMASCH |
| COMMENT | Asclepias giffordii Eastw. | To be determined | |
| COMMENT | Asclepias vestita Hook. & Arn. var. parishii Jeps. | Asclepias vestita Hook. & Arn. subsp. parishii (Jeps.) Woodson | SMASCH |
| COMMENT | Aster bernardinus H. M. Hall | Aster bernardinus H. M. Hall | SMASCH |
| COMMENT | Aster chilensis Nees var. medius Jeps. | Aster chilensis Nees | SMASCH |
| COMMENT | Aster cognatus H. M. Hall | Aster orcuttii Vasey & Rose | SMASCH |
| COMMENT | Aster defoliatus Parish | Aster defoliatus Parish | SMASCH |
| COMMENT | Aster delectabilis H. M. Hall | Aster occidentalis (Nutt.) Torr. & A. Gray | SMASCH |
| COMMENT | Aster elmeri Greene | Erigeron elmeri (Greene) Greene | SMASCH |
| COMMENT | Aster ensatus Greene | Aster lanceolatus Willd. subsp. hesperius (A. Gray) Semple & Chmiel. | SMASCH |
| COMMENT | Aster fremontii (Torr. & A. Gray) A. Gray var. parishii A. Gray | Aster occidentalis (Nutt.) Torr. & A. Gray | SMASCH |
| COMMENT | Aster hesperius A. Gray | Aster lanceolatus Willd. subsp. hesperius (A. Gray) Semple & Chmiel. | SMASCH |
| COMMENT | Aster invenustus Greene | Aster chilensis Nees | SMASCH |
| COMMENT | Aster orcuttii Vasey & Rose | Aster orcuttii Vasey & Rose | SMASCH |
| COMMENT | Aster peirsonii Sharsm. | Aster peirsonii Sharsm. | SMASCH |
| COMMENT | Aster sonomensis Greene | Aster sonomensis Greene | SMASCH |
| COMMENT | Astragalus agnicidus Barneby | Astragalus agnicidus Barneby | SMASCH |
| COMMENT | Astragalus agninus Jeps. | Astragalus agninus Jeps. | SMASCH |
| COMMENT | Astragalus anemophilus Greene | Astragalus miguelensis Greene | SMASCH |
| COMMENT | Astragalus antisellii A. Gray ex W. H. Brewer & S. Watson var. gaviotus Munz & McBurney | Astragalus trichopodus (Nutt.) A. Gray var. phoxus (M. E. Jones) Barneby | SMASCH |
| COMMENT | Astragalus anxius Meinke & Kaye | Astragalus anxius Meinke & Kaye | SMASCH |
| COMMENT | Astragalus breweri A. Gray | Astragalus breweri A. Gray | SMASCH |
| COMMENT | Astragalus cimae M. E. Jones | Astragalus cimae M. E. Jones var. cimae | SMASCH |
| COMMENT | Astragalus clarianus Jeps. | Astragalus rattanii A. Gray var. jepsonianus Barneby | SMASCH |
| COMMENT | Astragalus coccineus Brandegee | Astragalus coccineus Brandegee | SMASCH |
| COMMENT | Astragalus deserticola Jeps. | Astragalus nutans M. E. Jones | SMASCH |
| COMMENT | Astragalus ertterae Barneby & Shevock | Astragalus ertterae Barneby & Shevock | SMASCH |
| COMMENT | Astragalus filipes Torr. ex A. Gray var. residuus Jeps. | Astragalus stenophyllus Torr. & A. Gray var. stenophyllus | SMASCH |
| COMMENT | Astragalus inflexus Douglas ex Hook. var. flocculatus Jeps. | To be determined | |
| COMMENT | Astragalus inflexus Douglas ex Hook. var. ordensis Jeps. | To be determined | |
| COMMENT | Astragalus inversus M. E. Jones | Astragalus inversus M. E. Jones | SMASCH |
| COMMENT | Astragalus kernensis Jeps. | To be determined | |
| COMMENT | Astragalus lentiginosus Douglas ex Hook. var. idriensis M. E. Jones | Astragalus lentiginosus Douglas ex Hook. var. idriensis M. E. Jones | SMASCH |
| COMMENT | Astragalus lentiginosus Douglas ex Hook. var. micans Barneby | Astragalus lentiginosus Douglas ex Hook. var. micans Barneby | SMASCH |
| COMMENT | Astragalus lentiginosus Douglas ex Hook. var. semotus Jeps. | Astragalus lentiginosus Douglas ex Hook. var. semotus Jeps. | TJM |
| COMMENT | Astragalus leucolobus S. Watson ex M. E. Jones var. subvestitus Jeps. | Astragalus subvestitus (Jeps.) Barneby | SMASCH |
| COMMENT | Astragalus limatus E. Sheld. | Astragalus crotalariae (Benth.) A. Gray | SMASCH |
| COMMENT | Astragalus miguelensis Greene | Astragalus miguelensis Greene | SMASCH |
| COMMENT | Astragalus nutans M. E. Jones | Astragalus nutans M. E. Jones | SMASCH |
| COMMENT | Astragalus purshii Douglas ex Hook. var. gavisus Jeps. | To be determined | |
| COMMENT | Astragalus rattanii A. Gray var. jepsonianus Barneby | Astragalus rattanii A. Gray var. jepsonianus Barneby | SMASCH |
| COMMENT | Astragalus titi Eastw. | Astragalus tener A. Gray var. titi (Eastw.) Barneby | SMASCH |
| COMMENT | Astragalus whitneyi A. Gray | Astragalus whitneyi A. Gray | SMASCH |
| COMMENT | Atriplex breweri S. Watson | Atriplex lentiformis (Torr.) S. Watson subsp. lentiformis | SMASCH |
| COMMENT | Atriplex canescens (Pursh) Nutt. var. laciniata Parish | Atriplex canescens (Pursh) Nutt. | SMASCH |
| COMMENT | Atriplex canescens (Pursh) Nutt. var. macilenta Jeps. | Atriplex canescens (Pursh) Nutt. subsp. canescens | SMASCH |
| COMMENT | Atriplex cordulata Jeps. | Atriplex cordulata Jeps. | SMASCH |
| COMMENT | Atriplex coronata S. Watson | Atriplex coronata S. Watson | SMASCH |
| COMMENT | Atriplex coronata S. Watson var. notatior Jeps. | Atriplex coronata S. Watson var. notatior Jeps. | TJM |
| COMMENT | Atriplex davidsonii Standl. | Atriplex serenana A. Nelson var. davidsonii (Standl.) Munz | SMASCH |
| COMMENT | Atriplex depressa Jeps. | Atriplex depressa Jeps. | TJM |
| COMMENT | Atriplex fruticulosa Jeps. | Atriplex fruticulosa Jeps. | TJM |
| COMMENT | Atriplex minuscula Standl. | Atriplex minuscula Standl. | SMASCH |
| COMMENT | Atriplex mohavensis Standl. | Atriplex argentea Nutt. var. mohavensis M. E. Jones | SMASCH |
| COMMENT | Atriplex orbicularis S. Watson | Atriplex lentiformis (Torr.) S. Watson subsp. lentiformis | SMASCH |
| COMMENT | Atriplex parishii S. Watson | Atriplex parishii S. Watson | SMASCH |
| COMMENT | Atriplex parryi S. Watson | Atriplex parryi S. Watson | SMASCH |
| COMMENT | Atriplex sordida Standl. | Atriplex coronata S. Watson | SMASCH |
| COMMENT | Atriplex spicata S. Watson var. lagunita Jeps. | To be determined | |
| COMMENT | Atriplex spinifera J. F. Macbr. | Atriplex spinifera J. F. Macbr. | SMASCH |
| COMMENT | Atriplex trinervata Jeps. | To be determined | |
| COMMENT | Atriplex tularensis Coville | Atriplex tularensis Coville | SMASCH |
| COMMENT | Atriplex vallicola Hoover | Atriplex vallicola Hoover | SMASCH |
| COMMENT | Atriplex verna Jeps. | Atriplex coronata S. Watson | SMASCH |
| COMMENT | Audibertia Polystachya Benth. | Salvia apiana Jeps. | SMASCH |
| COMMENT | Audibertia grandiflora Benth. | Salvia spathacea Greene | SMASCH |
| COMMENT | Audibertia humilis Benth. | Salvia sonomensis Greene | SMASCH |
| COMMENT | Audibertia stachyoides Benth. var. revoluta Brandegee | To be determined | |
| COMMENT | Ayenia californica Jeps. | To be determined |