(photographer: Denise Knapp)

Species with Images

This page provides a complete list to taxa that have images. Use the controls below to browse and search for images by family, genus, or species.
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Select a species to access available images.
Achillea millefolium
Achyrachaena mollis
Acourtia microcephala
Ageratina adenophora
Agoseris grandiflora var. grandiflora
Amblyopappus pusillus
Ambrosia acanthicarpa
Ambrosia bryantii
Ambrosia chamissonis
Ambrosia confertiflora
Ambrosia dumosa
Ambrosia monogyra
Ambrosia psilostachya
Amphipappus fremontii
Ancistrocarphus filagineus
Anthemis cotula
Artemisia californica
Artemisia douglasiana
Artemisia dracunculus
Artemisia suksdorfii
Artemisia tridentata
Artemisia tridentata subsp. parishii
Baccharis malibuensis
Baccharis pilularis subsp. consanguinea
Baccharis plummerae subsp. plummerae
Baccharis salicifolia
Baccharis salicifolia subsp. salicifolia
Baccharis sarothroides x pilularis
Bahiopsis laciniata
Baileya multiradiata
Bidens frondosa
Bidens laevis
Bidens pilosa
Blennosperma nanum
Boeberastrum anthemidifolium
Bombycilaena californica
Brickellia californica
Brickellia incana
Brickellia microphylla
Brickellia nevinii
Carduus pycnocephalus subsp. pycnocephalus
Carduus tenuiflorus
Carthamus lanatus
Centaurea calcitrapa
Centaurea cyanus
Centaurea melitensis
Centaurea solstitialis
Centromadia parryi
Centromadia pungens
Centromadia pungens subsp. pungens
Chaenactis artemisiifolia
Chaenactis glabriuscula var. glabriuscula
Chondrilla juncea
Cichorium intybus
Cirsium canescens
Cirsium occidentale var. californicum
Cirsium occidentale var. occidentale
Cirsium ochrocentrum
Cirsium vulgare
Conyza bonariensis
Conyza canadensis
Coreocarpus parthenioides
Coreopsis bigelovii
Coreopsis californica var. californica
Coreopsis gigantea
Coreopsis maritima
Corethrogyne filaginifolia
Cosmos bipinnatus
Cotula australis
Cotula coronopifolia
Cynara cardunculus subsp. cardunculus
Deinandra conjugens
Deinandra fasciculata
Deinandra minthornii
Deinandra paniculata
Delairea odorata
Dimorphotheca sinuata
Eclipta prostrata
Encelia californica
Encelia farinosa
Ericameria arborescens
Ericameria ericoides
Ericameria linearifolia
Ericameria nauseosa
Ericameria nauseosa var. mohavensis
Ericameria palmeri var. pachylepis
Ericameria pinifolia
Erigeron foliosus var. foliosus
Erigeron parishii
Eriophyllum confertiflorum var. confertiflorum
Eriophyllum latilobum
Eriophyllum multicaule
Euthamia occidentalis
Gazania linearis
Gazania rigens
Glebionis coronaria
Gnaphalium palustre
Grindelia hirsutula
Gundlachia diffusa
Gutierrezia californica
Hazardia orcuttii
Hazardia squarrosa var. grindelioides
Hedypnois rhagadioloides
Helenium pinnatifidum
Helenium puberulum
Helianthus annuus
Helianthus gracilentus
Helminthotheca echioides
Hesperevax sparsiflora
Heterotheca grandiflora
Heterotheca sessiliflora
Hieracium argutum
Hypochaeris glabra
Hypochaeris radicata
Isocoma menziesii var. sedoides
Isocoma menziesii var. vernonioides
Isocoma veneta
Iva axillaris
Iva hayesiana
Jaumea carnosa
Kleinia articulata
Lactuca serriola
Laennecia coulteri
Lagophylla ramosissima
Lasthenia coronaria
Lasthenia glaberrima
Lasthenia glabrata subsp. coulteri
Lasthenia gracilis
Layia platyglossa
Lepidospartum squamatum
Lessingia glandulifera
Logfia filaginoides
Logfia gallica
Madia elegans
Madia exigua
Madia gracilis
Madia sativa
Malacothrix clevelandii
Malacothrix saxatilis var. tenuifolia
Matricaria discoidea
Matricaria occidentalis
Matricaria recutita
Micropus californicus var. californicus
Microseris douglasii subsp. tenella
Microseris nutans
Monolopia lanceolata
Neurolaena lobata
Osteospermum fruticosum
Packera breweri
Pentachaeta exilis
Pentachaeta lyonii
Perityle crassifolia
Perityle emoryi
Perityle microglossa
Plecostachys serpyllifolia
Pluchea carolinensis
Pluchea odorata var. odorata
Prenanthella exigua
Pseudognaphalium attenuatum
Pseudognaphalium biolettii
Pseudognaphalium californicum
Pseudognaphalium leucocephalum
Pseudognaphalium luteoalbum
Pseudognaphalium microcephalum
Pseudognaphalium ramosissimum
Pseudognaphalium roseum
Pseudognaphalium stramineum
Psilocarphus tenellus
Pulicaria paludosa
Pyrrocoma apargioides
Rafinesquia californica
Rhaponticum repens
Senecio aphanactis
Senecio californicus
Senecio flaccidus
Senecio flaccidus var. douglasii
Senecio quadridentatus
Senecio vulgaris
Silybum marianum
Solidago californica
Solidago confinis
Soliva sessilis
Sonchus asper
Sonchus oleraceus
Stebbinsoseris heterocarpa
Stephanomeria cichoriacea
Stephanomeria diegensis
Stephanomeria exigua subsp. coronaria
Stephanomeria parryi
Stephanomeria virgata
Stylocline gnaphaloides
Symphyotrichum lanceolatum var. hesperium
Symphyotrichum subspicatum
Symphyotrichum subulatum var. parviflorum
Syntrichopappus fremontii
Tagetes micrantha
Tanacetum parthenium
Taraxacum officinale
Tetradymia comosa
Tragopogon porrifolius
Uropappus lindleyi
Urospermum picroides
Venegasia carpesioides
Verbesina encelioides
Xanthisma spinulosum
Xanthium spinosum
Xanthium strumarium