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3,627 sunflowers, daisies, asters, and allies species
Pseudogynoxys chenopodioides
Tanacetum partheniifolium
Taraxacum subbracteatum
Taraxacum hamiferum
Gamochaeta americana
Amphipappus fremontii
Verbesina dissita
Ambrosia salsola
Ambrosia pumila
Ambrosia monogyra
Xanthisma junceum
Helenium elegans
Ambrosia ilicifolia
Ambrosia eriocentra
Ambrosia dumosa
Ambrosia confertiflora
Ambrosia chenopodiifolia
Ambrosia ambrosioides
Amblyopappus pusillus
Cirsium repandum
Helenium amphibolum
Heterotheca polothrix
Lactuca dregeana
Ageratina shastensis
Marshallia grandiflora
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