San Diego Natural History Museum--Your Nature ConnectionSDNHM Biodiversity Research Center of the Californias: Botany Department

Checklist of the Vascular Plants of San Diego County
Documented with Herbarium Vouchers

ANGIOSPERMS: EUDICOTS

ASTERACEAE (COMPOSITAE) — Sunflower Family (continued)
Filago arizonica A. Gray {SD 11170} ARIZONA FILAGO
Filago californica Nutt. {SD 58940} CALIFORNIA FILAGO
Filago depressa A. Gray {SD 28690} DWARF FILAGO
*Filago gallica L. {SD 27289} NARROW-LEAF FILAGO
*!Flaveria trinervia (Sprengel) C. Mohr {SD 110311} CLUSTERED YELLOWTOPS
*Galinsoga parviflora Cav. var. parviflora {SD 22566} SMALL-FLOWER GALINSOGA
*!Gamochaeta calviceps (Fern.) Cabrera {UCR 141095}
Note: see Nesom (2004a).
GRAY CUDWEED
!Gamochaeta ustulata (Nutt.) Holub {SD 29112}
[Gnaphalium purpureum L. previously misapp. to CA plants]
Note: see Nesom (2004a).
PURPLE CUDWEED
*!Gazania linearis (Thunb.) Druce {SD 132816}
[G. longiscapa DC.]
TREASURE FLOWER
Geraea canescens A. Gray {SD 119645} DESERT SUNFLOWER
Geraea viscida (A. Gray) S. F. Blake {SD 83805}
2 2-1-1
STICKY GERAEA
Gnaphalium californicum DC. {SD 126704} CALIFORNIA EVERLASTING
Gnaphalium leucocephalum A. Gray {SD 122980} WHITE-HEAD CUDWEED
*!Gnaphalium luteo-album L. {SD 112738} EVERLASTING CUDWEED
Gnaphalium palustre Nutt. {SD 70927} LOWLAND CUDWEED
Gnaphalium ramosissimum Nutt. {SD 12154} PINK EVERLASTING
Gnaphalium stramineum Kunth {SD 80596} COTTON-BATTING PLANT
Grindelia camporum E. Greene var. bracteosa (J. Howell) M. A. Lane {SD 86081}
[G. robusta Nutt. var. b. (J. Howell) Keck, var. r.]
RAYLESS GUMPLANT
§Grindelia hirsutula Hook. & Arn. var. hallii (Steyerm.) M. A. Lane {SD 106667}
[G. hallii Steyerm.]
1B 2-2-3
SAN DIEGO GUMPLANT
*Guizotia abyssinica (L. f.) Cass. {SD 58922} RAMTILLA
Gutierrezia californica (DC.) Torrey & A. Gray {SD 20087} CALIFORNIA MATCHWEED
Gutierrezia microcephala (DC.) A. Gray {SD 120631} STICKY SNAKEWEED
Gutierrezia sarothrae (Pursh) Britton & Rusby {SD 106827} BROOM MATCHWEED/SNAKEWEED
Hazardia orcuttii (A. Gray) E. Greene {SD 103905}
1B 3-3-2 CT / FSC
ORCUTT'S GOLDENBUSH
Hazardia squarrosa (Hook. & Arn.) E. Greene var. grindelioides (DC.) W. Clark {SD 106825}
[H. s. ssp. g.]
SOUTHERN SAWTOOTH GOLDENBUSH
!Hazardia squarrosa (Hook. & Arn.) E. Greene var. squarrosa {SD 161060} SAWTOOTH GOLDENBUSH
*Hedypnois cretica (L.) Dum.-Cours. {SD 128754} CRETE HEDYPNOIS
Helenium puberulum DC. {SD 114750} ROSILLA
!Helianthella californica A. Gray var. nevadensis (E. Greene) Jepson {SD 137391} NEVADA HELIANTHELLA
Helianthus annuus L. {SD 124552}
[H. a. ssp. lenticularis (Douglas) Cockerell]
WESTERN SUNFLOWER
Helianthus californicus DC. {SD 23188} CALIFORNIA SUNFLOWER
*Helianthus ciliaris DC. {SD 26012} BLUEWEED
Helianthus gracilentus A. Gray {SD 67523} SLENDER SUNFLOWER
Helianthus niveus (Benth.) Brandegee ssp. canescens (A. Gray) Heiser {SD 118579} GRAY SUNFLOWER
!Helianthus niveus (Benth.) Brandegee ssp. tephrodes (A. Gray) Heiser {SD 153421}
1B3-2-2 CE
ALGODONES DUNES SUNFLOWER
Hemizonella minima A. Gray {SD 121568}
[Madia minima (A. Gray) Keck]
Note: see Baldwin 1999.
SMALL MADIA
*Hesperevax caulescens (Benth.) A. Gray {SD 24309}
[Evax c. (Benth.) A. Gray]
4 1-2-3
Note: native to California but not to San Diego Co.
HOGWALLOW STARFISH
Hesperevax sparsiflora (A. Gray) E. Greene var. sparsiflora {SD 15030}
[Evax s. (A. Gray) Jepson]
ERECT EVAX
Heterotheca grandiflora Nutt. {SD 53612} TELEGRAPH WEED
Heterotheca sessiliflora (Nutt.) Shinn. ssp. echioides (Benth.) Semple {SD 160832}
[Chrysopsis villosa (Pursh) Nutt. var. e. (Benth.) A. Gray]
BRISTLY GOLDENASTER
Heterotheca sessiliflora (Nutt.) Shinn. ssp. fastigiata (E. Greene) Semple {CHSC 35835}
[Chrysopsis villosa (Pursh) Nutt. var. f. (E. Greene) H. M. Hall]
Note: var. sanjacintensis Semple of this subspecies has been reported in S.D. Co.; see Semple 1992.
HAIRY GOLDENASTER
Heterotheca sessiliflora (Nutt.) Shinn. ssp. sessiliflora {SD 134534}
[Chrysopsis villosa (Pursh) Nutt. var. s.]
FALSE GOLDENASTER
Hieracium albiflorum Hook. {SD 141372} WHITE HAWKWEED
Hieracium argutum Nutt. {SD 106657}
[H. a. var. parishii (A. Gray) Jeps.]
SOUTHERN HAWKWEED
Holocarpha virgata (A. Gray) Keck ssp. elongata Keck {SD 80530}
4 1-2-3 FSC
GRACEFUL TARPLANT
§Hulsea californica Torrey & A. Gray {SD 115014}
1B 2-1-3
SAN DIEGO HULSEA
Hulsea heterochroma A. Gray {SD 106924} GREAT HULSEA
Hulsea mexicana Rydb. {SD 139752}
2 3-1-1
MEXICAN HULSEA
Hulsea vestita A. Gray ssp. callicarpha (H. M. Hall) Wilken {SD 122504}
4 1-2-3
BEAUTIFUL HULSEA
Hymenopappus filifolius Hook. var. lugens (E. Greene) Jepson {SD 141427} PINE CUTLEAF
Hymenothrix wrightii A. Gray {SD 121034}
4 1-1-1
WRIGHT'S HYMENOTHRIX
*Hypochaeris glabra L. {SD 85392}
[Hypochoeris g.]
SMOOTH CAT'S EAR
*Hypochaeris radicata L. {SD 96106}
[Hypochoeris r.]
HAIRY CAT'S EAR
!Isocoma acradenia (E. Greene) E. Greene var. acradenia {SD 118933} ALKALI GOLDENBUSH
Isocoma acradenia (E. Greene) E. Greene var. eremophila (E. Greene) G. L. Nesom {SD 118614} DESERT ALKALI GOLDENBUSH
Isocoma menziesii (Hook. & Arn.) G. L. Nesom var. menziesii {SD 80460, 80829, 123268}
[I. m. var. decumbens (Greene) G. L. Nesom (listed in CNPS Inventory 2001 as 1B 2-2-2), I. venetus ssp. furfuraceus (E. Greene) H. M. Hall, ssp. oxyphyllus (E. Greene) H. M. Hall]
SPREADING GOLDENBUSH
!Isocoma menziesii (Hook. & Arn.) G. L. Nesom var. sedoides (E. Greene) G. L. Nesom {SD 112607} SAN DIEGO GOLDENBUSH
Isocoma menziesii (Hook. & Arn.) G. L. Nesom var. vernonioides (Nutt.) G. L. Nesom {SD 136244} COASTAL GOLDENBUSH
Iva axillaris Pursh ssp. robustior (Hook.) Bassett {SD 28309} POVERTY WEED
Iva hayesiana A. Gray {SD 83507}
2 2-2-1 FSC
SAN DIEGO MARSH-ELDER
Jaumea carnosa (Less.) A. Gray {SD 83792} SALTY SUSAN, FLESHY JAUMEA
*Lactuca serriola L. {SD 29170, 53606} PRICKLY LETTUCE
Lagophylla ramosissima Nutt. ssp. ramosissima {SD 121033} COMMON HARELEAF
Lasthenia coronaria (Nutt.) Ornd. {SD 85593} SOUTHERN GOLDFIELDS
Lasthenia glaberrima A. DC. {SD 106910}
Note: San Diego Co. specimens previously misidentified as L. microglossa (A.DC.) E. Greene
SMOOTH GOLDFIELDS
Lasthenia glabrata Lindley ssp. coulteri (A. Gray) Ornd. {SD 70323}
1B 2-3-2 FSC
COULTER'S SALT-MARSH DAISY
Lasthenia gracilis (DC.) E. Greene {SD 111959}
[L. calfornica Lindley, misapp.]
Note: see Chan 2001.
COMMON GOLDFIELDS
Layia glandulosa (Hook.) Hook. & Arn. {SD 118492}
[L. g. ssp. g.]
WHITE LAYIA
Layia platyglossa (Fischer & C. Meyer) A. Gray {SD 120570}
[L. p. ssp. campestris Keck]
TIDY TIPS
Lepidospartum squamatum (A. Gray) A. Gray {SD 5870} SCALE-BROOM
Lessingia glandulifera A. Gray var. glandulifera {SD 130900} VALLEY LESSINGIA
§Lessingia glandulifera A. Gray var. tomentosa (E. Greene) Ferris {SD 122732}
1B 2-1-3 FSC
RANCHITA LESSINGIA
*Leucanthemum vulgare Lam. {SD 44969}
[Chrysanthemum leucanthemum L.]
OX-EYE DAISY
§Machaeranthera asteroides (Torrey) E. Greene var. lagunensis (Keck) B. Turner {SD 101098}
[M. l. Keck]
2 3-3-1 CR / FSC
LAGUNA MOUNTAIN ASTER
Machaeranthera canescens (Pursh) A. Gray var. canescens {SD 12386}
[M. tephrodes (A. Gray) Greene]
ASH-COLOR ASTER
Machaeranthera juncea (E. Greene) Shinn. {SD 140588}
4 1-1-1
RUSH CHAPARRAL-STAR, RUSH-LIKE BRISTLEWEED
Madia elegans Lindley ssp. elegans {SD 85718} ELEGANT MADIA
Madia exigua (Smith) A. Gray {SD 77918} PYGMY/THREADSTEM MADIA
Madia gracilis (Smith) Keck {SD 70879}
[M. g. ssp. g.]
SLENDER MADIA
Madia sativa Molina {SD 123457} COAST MADIA
Malacothrix californica DC. {SD 118369}
[M. c. var. c.]
DESERT DANDELION
Malacothrix clevelandii A. Gray {SD 114769} CLEVELAND'S MALACOTHRIX
Malacothrix glabrata A. Gray {SD 131190}
[M. californica var. g. A. Gray]
DESERT DANDELION
Malacothrix saxatilis (Nutt.) Torrey & A. Gray var. tenuifolia (Nutt.) A. Gray {SD 112636} CLIFF MALACOTHRIX
Malacothrix stebbinsii W. Davis & Raven {SD 134517} STEBBINS'S MALACOTHRIX
Malperia tenuis S. Watson {SD 133345}
2 3-1-1
BROWN TURBANS
*Matricaria matricarioides (Less.) Porter {SD 119070}
[Chamomilla suaveolens (Pursh) Rydb.]
COMMON PINEAPPLE-WEED
!Matricaria occidentalis (E. Greene) Rydb. {SD 17395}
[Chamomilla occidentalis (E. Greene) Rydb.]
WESTERN PINEAPPLE-WEED
Micropus californicus Fischer & C. Meyer var. californicus {SD 85818} SLENDER COTTONWEED
Microseris douglasii (DC.) Schultz-Bip. ssp. platycarpha (A. Gray) Chambers {SD 39004}
4 1-2-2
SMALL-FLOWER MICROSERIS
Microseris elegans A. Gray {SD 39007} ELEGANT MICROSERIS
Monoptilon bellioides (A. Gray) H. M. Hall {SD 119639} MOHAVE DESERT STAR
*!Oncosiphon piluliferum (L.f.) Kallersjo {SD 152402} GLOBE CHAMOMILE
Osmadenia tenella Nutt. {SD 119117}
[Calycadenia t. (Nutt.) T. & G.]
OSMADENIA
*!Osteospermum fruticosum (L.) Norl. {SD 154854} TRAILING AFRICAN DAISY
§Packera ganderi (T. M. Barkley & R. M. Beauch.) W. A. Weber & Á. Löve {SD 131187}
1B 3-2-3 CR / FSC
[Senecio g. T. M. Barkley & R. M. Beauch.]
Note: see Barkley 1999.
GANDER'S/SAN DIEGO BUTTERWEED
Palafoxia arida B. Turner & M. Morris var. arida {SD 122459} DESERT SPANISH-NEEDLE
Pectis papposa Harvey & A. Gray var. papposa {SD 124299} CHINCH WEED
Pentachaeta aurea Nutt. {SD 106561}
[Chaetopappa a. (Nutt.) Keck]
4 1-2-2
GOLDEN-RAY PENTACHAETA
Perityle emoryi Torrey {SD 80437} EMORY'S ROCK DAISY
Peucephyllum schottii A. Gray {SD 119041} PIGMY-CEDAR
*Picris echioides L. {SD 136434} BRISTLY OX-TONGUE
Pleurocoronis pluriseta (A. Gray) R. King & H. Robinson {SD 83414} DESERT ARROW-LEAF
Pluchea odorata (L.) Cass. {SD 104295}
[P. o. var. o.]
SALT MARSH FLEABANE
Pluchea sericea (Nutt.) Cov. {SD 37582}
[Tessaria s. (Nutt.) Shinners]
ARROW WEED
Porophyllum gracile Benth. {SD 128550} ODORA
Prenanthella exigua (A. Gray) Tomb {SD 133343} EGBERTIA
Psathyrotes ramosissima (Torrey) A. Gray {SD 115738} VELVET ROSETTES, TURTLEBACK
Pseudognaphalium beneolens (Davidson) Anderb. {SD 122979}
[Gnaphalium canescens DC. ssp. beneolens (Davidson) Stebb. & Keil; G. b. Davidson]
Note: see Anderberg 1991; Nesom 2004b.
FRAGRANT EVERLASTING
Pseudognaphalium biolettii Anderb. {SD 127826}
[Gnaphalium bicolor Bioletti]
Note: see Anderberg 1991.
BICOLOR CUDWEED
Pseudognaphalium canescens (DC.) Anderb. {SD 140472}
[Gnaphalium canescens DC. ssp. c.]
Note: see Anderberg 1991; Nesom 2004b.
EVERLASTING CUDWEED
Pseudognaphalium microcephalum (Nutt.) Anderb. {SD 83624}
[Gnaphalium canescens DC. ssp. microcephalum (Nutt.) Stebb. & Keil; G. m. Nutt.]
Note: see Anderberg 1991; Nesom 2004b.
WHITE EVERLASTING
Psilocarphus brevissimus Nutt. var. brevissimus {SD 85706} DWARF WOOLLY-HEADS, WOOLLY MARBLES
Psilocarphus tenellus Nutt. var. tenellus {SD 132902} SLENDER WOOLLY-HEADS
*!Pulicaria paludosa Link {SD 154855} SPANISH FALSE-FLEABANE
Rafinesquia californica Nutt. {SD 115121} CALIFORNIA CHICORY
Rafinesquia neomexicana A. Gray {SD 118101} DESERT CHICORY
*!Rudbeckia hirta L. {SD 154853} BLACK-EYED SUSAN
Senecio aphanactis E. Greene {SD 30790}
2 3-2-1
CALIFORNIA GROUNDSEL
!Senecio astephanus E. Greene {SD 137854} SAN GABRIEL RAGWORT
Senecio californicus DC. {SD 83546} CALIFORNIA BUTTERWEED
Senecio flaccidus Less. var. douglasii (DC.) B. Turner & T. Barkley {SD 14088}
[S. douglasii DC. var. d.]
SAND-WASH BUTTERWEED
Senecio flaccidus Less. var. monoensis (E. Greene) B. Turner & T. Barkley {SD 124300}
[S. douglasii DC. var. m. (E. Greene) Jepson]
MONO BUTTERWEED
Senecio mohavensis A. Gray {SD 122464} MOJAVE GROUNDSEL
!Senecio sp. nov. {SD 147666}
Note: probable undescribed taxon similar to S. linearifolius, currently being studied by B. Primrose
*Senecio vulgaris L. {SD 108741} COMMON GROUNDSEL
*Silybum marianum (L.) Gaertner {SD 11027} MILK THISTLE
Solidago californica Nutt. {SD 70960} CALIFORNIA GOLDENROD
Solidago confinis Nutt. {UC 1192247} MARSH/SOUTHERN GOLDENROD
*Soliva sessilis Ruíz Lopez & Pavón {SD 113050}
[S. daucifolia Nutt.]
COAST SOLIVA
*Sonchus asper (L.) Hill ssp. asper {SD 135347} PRICKLY SOW-THISTLE
*Sonchus oleraceus L. {SD 118361} COMMON SOW-THISTLE
*Sonchus tenerrimus L. {SD 113009} SLENDER SOW-THISTLE
Stebbinsoseris heterocarpa (Nutt.) Chamb. {SD 136630}
[Microseris h. (Nutt.) Chambers]
GRASSLAND STEBBINSOSERIS
!Stephanomeria cichoriacea A. Gray {SD 152919} CHICORY-LEAF WIRELETTUCE
Stephanomeria diegensis Gottlieb {SD 39628} SAN DIEGO WREATH-PLANT
Stephanomeria exigua Nutt. ssp. deanei (J. F. Macbr.) Gottlieb {SD 106855} DEANE'S SMALL WREATH-PLANT
Stephanomeria exigua Nutt. ssp. exigua {SD 122465} SMALL WREATH-PLANT
Stephanomeria pauciflora (Nutt.) Nelson var. pauciflora {SD 128220} FEW-FLOWER WREATH-PLANT
Stephanomeria virgata Benth. ssp. pleurocarpa (E. Greene) Gottlieb {SD 83074} TALL WREATH-PLANT
Stylocline gnaphaloides Nutt. {SD 17113} EVERLASTING NEST-STRAW
!Stylocline intertexta Morefield {SD 24541} TANGLED NEST-STRAW
Stylocline micropoides A. Gray {SD 121170} DESERT NEST-STRAW
!Stylocline psilocarphoides M. Peck {SD 159324} PECK NEST STRAW
Symphyotrichum defoliatum (Parish) G. L. Nesom {SD 106691}
[Aster bernardinus H. M. Hall]
1B
Note: see Nesom 1994
SAN BERNARDINO ASTER
Symphyotrichum lanceolatum (Willd.) G. L. Nesom ssp. hesperium (A. Gray) G. L. Nesom {SD 22172}
[Aster l. Willd. ssp. h. (A. Gray) Semple & J. Chmielewski, A. h. A. Gray]
Note: see Nesom 1994.
WESTERN ASTER
Symphyotrichum subulatum (Michaux) G. L. Nesom var. ligulatum (Shinn.) S. D. Sundb. {SD 83492}
[Aster s. Michaux var. l. Shinn., A. exilis Elliott]
Note: see Sundberg 2004.
SLIM ASTER
*!Tanacetum parthenium (L.) Schultz-Bip. {SD 161064} FEVERFEW
*Taraxacum officinale Wigg. {SD 120680}
[T. laevigatum (Willd.) DC.]
COMMON DANDELION
!Tetradymia canescens DC. {SD 130541} SPINELESS HORSEBRUSH
Tetradymia comosa A. Gray {SD 85864} COTTON-THORN
*Thelesperma megapotamicum (Sprengel) Kuntze {SD 72403} AMERICAN NIPPLE-SEED
Thymophylla pentachaeta (DC.) Small var. belenidium (DC.) Strother {SD 12993}
[Dyssodia p. (DC.) Robinson var. b.]
THURBER'S DYSSODIA
*!Tragopogon dubius Scop. {SD 118659} GOAT'S BEARD
*Tragopogon porrifolius L. {SD 53618} SALSIFY, OYSTER PLANT
Trichoptilium incisum A. Gray {SD 121027} DESERT YELLOW-HEAD
Trixis californica Kellogg var. californica {SD 122467} CALIFORNIA TRIXIS
Uropappus lindleyi (DC.) Nutt. {SD 115415}
[Microseris l. (DC.) A. Gray]
SILVER PUFFS
Venegasia carpesioides DC. {SD 131185} JESUIT FLOWER
*!Verbesina encelioides (Cav.) A. Gray ssp. encelioides {SD 104529}
[V. encelioides var. exauriculata Robinson & Greenman]
GOLDEN CROWNBEARD
Viguiera laciniata A. Gray {SD 83655}
4 1-2-1
SAN DIEGO SUNFLOWER
Viguiera parishii E. Greene {SD 124301} PARISH'S GOLDEN-EYES
!Viguiera purisimae Brandegee {SD 140584} LA PURISSIMA SUNFLOWER
Wyethia ovata Torrey & A. Gray {SD 118657} SOUTHERN MULE'S EAR
Xanthium spinosum L. {SD 25804} SPINY COCKLEBUR
Xanthium strumarium L. {SD 118569}
[X. s. var. canadense (Miller) Torrey & A. Gray]
COCKLEBUR
Xylorhiza orcuttii (Vasey & Rose) E. Greene {SD 113927}
1B 2-2-2 FSC
ORCUTT'S WOODY ASTER
*Zinnia elegans Jacq. {SD 161995} COMMON ZINNIA
ANGIOSPERMS: EUDICOTS: ASTERACEAEANGIOSPERMS: EUDICOTS: BASELLACEAE

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