incarnata Amauriopsis dissecta Amblyopappus pusillus A cont. Ambrosia artemisiifolia Ambrosia eriocentra Ambrosia trifida Amerorchis rotundifolia Amianthium
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Show Lower Taxa Ambrosia acanthicarpa, Ambrosia ambrosioides, Ambrosia artemisiifolia, Ambrosia bidentata, Ambrosia chamissonis, Ambrosia cheiranthifolia
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genusChaenactis sectionChaenactis sect. Acarphaea Show Lower Taxa Chaenactis artemisiifolia, Chaenactis carphoclinia (Harvey & A. Gray) A. Gray Proc. Amer. Acad
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IllustratedEndemic Synonyms: Ambrosia artemisiifolia var. elatior (Linnaeus) Descourtilz Ambrosia artemisiifolia var. paniculata (Michaux) Blankinship
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genusChaenactis sectionChaenactis sect. Acarphaea speciesChaenactis artemisiifolia (Harvey & A. Gray) A. Gray Proc. Amer. Acad. Arts 10: 74. 1874. James
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pusillus Ambrosia Ambrosia acanthicarpa Ambrosia ambrosioides Ambrosia artemisiifolia Ambrosia bidentata Ambrosia chamissonis Ambrosia cheiranthifolia Ambrosia
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filagineus Ancistrocarphus keilii C Chaenactis Chaenactis alpigena Chaenactis artemisiifolia Chaenactis carphoclinia Chaenactis carphoclinia var. carphoclinia Chaenactis
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(Chihuahua). The name Ambrosia ×helenae Rouleau applies to hybrids between A. artemisiifolia and A. trifida. Hybrids between A. bidentata and A. trifida have been
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Wheeler counties. This odd and isolated species combines traits of C. artemisiifolia (sect. Acarphaea) and C. glabriuscula, and might be descended from their
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Chihuahua, Coahuila). Hybrids between Ambrosia psilostachya and A. artemisiifolia have been called A. ×intergradiens W. H. Wagner. Some botanists consider
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because they invade fields left fallow. Ragweeds (especially Ambrosia artemisiifolia and A. trifida) range over nearly the whole continent and their wind-blown
270 KB (5,940 words) - 20:46, 31 January 2022
