Families
- Aceraceae
- Aizoaceae
- Amaranthaceae
- Anacardiaceae
- Apiaceae
- Apocynaceae
- Asclepiadaceae
- Asteraceae
- Azollaceae
- Berberidaceae
- Betulaceae
- Blechnaceae
- Boraginaceae
- Brassicaceae
- Cactaceae
- Campanulaceae
- Capparaceae
- Caprifoliaceae
- Caryophyllaceae
- Chenopodiaceae
- Cistaceae
- Convolvulaceae
- Crassulaceae
- Cucurbitaceae
- Cupressaceae
- Cuscutaceae
- Cyperaceae
- Datiscaceae
- Dipsacaceae
- Dryopteridaceae
- Equisetaceae
- Ericaceae
- Euphorbiaceae
- Fabaceae
- Fagaceae
- Frankeniaceae
- Garryaceae
- Gelidiaceae
- Gentianaceae
- Geraniaceae
- Grossulariaceae
- Hippocastanaceae
- Hydrophyllaceae
- Iridaceae
- Juglandaceae
- Juncaceae
- Lamiaceae
- Lauraceae
- Lemnaceae
- Liliaceae
- Linaceae
- Loasaceae
- Lythraceae
- Malvaceae
- Myrtaceae
- Nyctaginaceae
- Oleaceae
- Onagraceae
- Orchidaceae
- Orobanchaceae
- Oxalidaceae
- Paeoniaceae
- Papavaraceae
- Philadelphaceae
- Pinaceae
- Plantaginaceae
- Platanaceae
- Plumbaginaceae
- Poaceae
- Polemoniaceae
- Polygalaceae
- Polygonaceae
- Portulacaceae
- Primulaceae
- Pteridaceae
- Ranunculaceae
- Rhamnaceae
- Rosaceae
- Rubiaceae
- Rutaceae
- Salicaceae
- Sargassaceae
- Saururaceae
- Saxifragaceae
- Scrophulariaceae
- Solanaceae
- Sterculiaceae
- Tropaeolaceae
- Typhaceae
- Urticaceae
- Valerianaceae
- Verbenaceae
- Violaceae
- Viscaceae
- Zygophyllaceae
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Pictures of Asteraceae
- Achillea millefolium
- Achyrachaena mollis (fruiting head)
- Acourtia microcephala
- Picture 1
- Picture 2
- Picture 3
- Ageratina adenophora
- Picture 1
- Picture 2
- Picture 3
- Ambrosia acanthicarpa
- Picture 1
- Picture 2
- Ambrosia chamissonis
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Ambrosia psilostachya
- Picture 1
- Picture 2
- Anaphalis margaritacea
- Anthemis cotula
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Picture 5
- Artemisia californica
- Picture 1
- Picture 2
- Artemisia douglasiana
- Aster lanceolatus ssp. hesperius
- Picture 1
- Picture 2
- Picture 3
- Baccharis douglasii
- Picture 1
- Picture 2
- Baccharis pilularis
- Picture 1
- Picture 2 (male)
- Picture 3 (female)
- Picture 4 (male)
- Picture 5 (female)
- Picture 6 (female)
- Picture 7 (female)
- Picture 8 (male)
- Picture 9
- Baccharis salicifolia
- Picture 1
- Picture 2
- Picture 3
- Balsamorhiza deltoidea
- Bidens pilosa
- Picture 1
- Picture 2 (fruits)
- Brickellia californica
- Picture 1
- Picture 2
- Picture 3
- Carduus pycnocephalus
- Centaurea calcitrapa
- Picture 1
- Picture 2
- Picture 3
- Centaurea melitensis
- Centaurea solstitialis
- Chaenactis artemisiifolia
- Picture 1
- Picture 2
- Chaenactis glabriuscula
- Picture 1
- Picture 2
- Picture 3
- Chamomilla suaveolens
- Cichorium intybus
- Picture 1
- Picture 2
- Picture 3
- Cirsium occidentale
- Cirsium occidentale var. californicum
- Picture 1
- Picture 2
- Picture 3
- Cirsium occidentale var. candidissimum
- Picture 1
- Picture 2
- Cirsium occidentale var. occidentale
- Cirsium occidentale var. venustum
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Cirsium vulgare
- Picture 1
- Picture 2
- Picture 3
- Conyza bonariensis
- Picture 1
- Picture 2
- Picture 3
- Coreopsis bigelovii
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Picture 5
- Coreopsis gigantea
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Coreopsis maritima
- Picture 1
- Picture 2
- Picture 3
- Cotula coronopifolia
- Picture 1
- Picture 2
- Encelia californica
- Picture 1
- Picture 2
- Ericameria ericoides
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Picture 5
- Ericameria linearifolia
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Ericameria palmeri var. pachylepis
- Erigeron foliosus
- Picture 1
- Picture 2
- Erigeron glaucus
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Picture 5
- Eriophyllum confertiflorum
- Eriophyllum lanatum var. arachnoideum
- Picture 1
- Picture 2
- Eriophyllum nevinii
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Picture 5
- Picture 6
- Eriophyllum staechadifolium
- Picture 1
- Picture 2
- Filago californica
- Picture 1
- Picture 2
- Gnaphalium bicolor
- Picture 1
- Picture 2
- Gnaphalium californicum
- Picture 1
- Picture 2
- Picture 3
- Gnaphalium luteo-album
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Picture 5
- Picture 6
- Grindelia camporum var. bracteosum
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Grindelia hirsutula
- Picture 1
- Picture 2
- Grindelia hirsutula var. hirsutula
- Picture 1
- Picture 2
- Hazardia squarrosa
- Picture 1
- Picture 2
- Picture 3
- Helenium puberulum
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Picture 5
- Picture 6
- Helianthus annuus
- Picture 1
- Picture 2
- Picture 3
- Helianthus gracilentus
- Picture 1
- Picture 2
- Hemizonia congesta ssp. luzulifolia
- Picture 1
- Picture 2
- Hemizonia fasciculata
- Hemizonia minthornii
- Picture 1 (Rare)
- Picture 2 (Rare)
- Picture 3 (Rare)
- Picture 4
- Heterotheca grandiflora
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Hypochaeris glabra
- Picture 1
- Picture 2
- Isocoma menziesii var. vernonioides
- Picture 1
- Picture 2
- Picture 3
- Jaumea carnosa
- Picture 1
- Picture 2
- Picture 3
- Lactuca saligna
- Picture 1
- Picture 2
- Lactuca serriola
- Picture 1 (leaf midrib)
- Picture 2
- Picture 3
- Lasthenia californica
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Picture 5
- Picture 6
- Picture 7
- Layia glandulosa
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Layia platyglossa
- Picture 1
- Picture 2
- Lessingia filaginifolia
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Picture 5
- Madia elegans
- Picture 1
- Picture 2
- Madia gracilis
- Picture 1
- Picture 2
- Picture 3
- Malacothrix californica
- Malacothrix glabrata
- Malacothrix incana
- Picture 1
- Picture 2
- Malacothrix saxatilis
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Micropus californicus
- Microseris linearifolia
- Osmadenia tenella
- Picture 1
- Picture 2
- Picture 3
- Pentachaeta lyonii
- Picture 1 (Rare)
- Picture 2 (Rare)
- Picture 3 (Rare)
- Picris echioides
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Pluchea sericea
- Psilocarphus brevissimus var. brevissimus
- Senecio breweri
- Senecio vulgaris
- Picture 1
- Picture 2
- Silybum marianum
- Picture 1
- Picture 2 (seeds)
- Picture 3
- Picture 4
- Picture 5 (leaves)
- Picture 6 (leaves)
- Picture 7
- Sonchus oleraceus
- Picture 1
- Picture 2
- Stephanomeria virgata
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Stylocline gnaphalioides
- Picture 1
- Picture 2
- Taraxacum officinale
- Tragopogon porrifolius
- Picture 1 (fruiting head)
- Picture 2
- Uropappus lindleyi
- Picture 1 (fruiting head)
- Picture 2
- Picture 3
- Venegasia carpesioides
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Picture 5
- Verbesina encelioides ssp. exauriculata
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Picture 5
- Wyethia angustifolia
- Picture 1
- Picture 2
- Picture 3
- Xanthium strumarium
- Picture 1 (burs)
- Picture 2
- Picture 3
- Picture 4
- Picture 5
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