Asteraceae — Daisy Family
Ambrosia acanthicarpa Hook.
Ambrosia acanthicarpa Hook.
Ambrosia acanthicarpa is a weedy North American annual ragweed common across the western US and Canadian Prairies.
Ambrosia ambrosioides (Cav.) W.W.Payne
Ambrosia ambrosioides (Cav.) W.W.Payne
Ambrosia ambrosioides, or canyon ragweed, is a desert shrub ragweed, with traditional uses by the Seri people.
Ambrosia artemisiifolia L.
Ambrosia artemisiifolia L.
Ambrosia artemisiifolia L. is a common allergenic annual ragweed with a history of traditional Native American medicinal use.
Ambrosia bidentata Michx.
Ambrosia bidentata Michx.
Ambrosia bidentata (lanceleaf ragweed) is a wind-pollinated annual herb native to central and eastern United States, in the Asteraceae family.
Ambrosia chamissonis (Less.) Greene
Ambrosia chamissonis (Less.) Greene
Ambrosia chamissonis is a large sprawling monoecious perennial herb that produces spiny brown bur fruits
Ambrosia chenopodiifolia (Benth.) W.W.Payne
Ambrosia chenopodiifolia (Benth.) W.W.Payne
Ambrosia chenopodiifolia is a thickly branching monoecious shrub that produces spiny, spherical, woolly bur fruits.
Ambrosia confertiflora DC.
Ambrosia confertiflora DC.
Ambrosia confertiflora is a perennial ragweed native to North America, classified as a noxious weed in Australia and Israel.
Ambrosia deltoidea (Torr.) W.W.Payne
Ambrosia deltoidea (Torr.) W.W.Payne
Ambrosia deltoidea is a drought-deciduous bursage shrub native to the North American Sonoran Desert that acts as a nurse plant for other desert species.
Ambrosia dumosa (A.Gray) W.W.Payne
Ambrosia dumosa (A.Gray) W.W.Payne
Ambrosia dumosa, or white bursage, is a drought-deciduous ragweed shrub native to the southwestern US whose wind-blown pollen causes serious allergies.
Ambrosia hispida Pursh
Ambrosia hispida Pursh
Ambrosia hispida Pursh is a ragweed, a monoecious, mostly glandular plant with wind-pollinated flowers that form bur fruits, often found in disturbed or arid areas.
Ambrosia monogyra (Torr. & A.Gray) Strother & B.G.Baldwin
Ambrosia monogyra (Torr. & A.Gray) Strother & B.G.Baldwin
Ambrosia monogyra is a thin-leaved shrub native to the southwestern United States and northern Mexico, growing in chaparral and desert washes.
Ambrosia psilostachya DC.
Ambrosia psilostachya DC.
Ambrosia psilostachya DC. is a hairy perennial herb native to North America, naturalized elsewhere, used medicinally by some Native American tribes.
Ambrosia salsola (Torr. & A.Gray) Strother & B.G.Baldwin
Ambrosia salsola (Torr. & A.Gray) Strother & B.G.Baldwin
Ambrosia salsola is a foul-smelling perennial desert shrub that easily hybridizes with Ambrosia dumosa.
Ambrosia trifida L.
Ambrosia trifida L.
Ambrosia trifida, commonly giant ragweed, is an annual weedy herb with documented traditional Native American uses and modern gardening uses.
Ampelaster carolinianus (Walter) G.L.Nesom
Ampelaster carolinianus (Walter) G.L.Nesom
Ampelaster carolinianus, climbing aster, is the only species in the North American genus Ampelaster, a climbing aster native to the southeastern US.
Amphiachyris dracunculoides (DC.) Nutt.
Amphiachyris dracunculoides (DC.) Nutt.
Amphiachyris dracunculoides, common name broomweed, is a North American annual flowering plant in the Asteraceae family native to the southern US Great Plains.
Anacyclus clavatus (Desf.) Pers.
Anacyclus clavatus (Desf.) Pers.
Anacyclus clavatus is an Asteraceae species native to multiple regions of the Palearctic realm.
Anacyclus radiatus Loisel.
Anacyclus radiatus Loisel.
Anacyclus radiatus is an annual self-supporting Asteraceae herb native to the western Mediterranean, growing up to 40 cm tall.
Anaphalioides bellidioides (G.Forst.) Glenny
Anaphalioides bellidioides (G.Forst.) Glenny
Anaphalioides bellidioides, the everlasting daisy, is an endemic New Zealand variable evergreen perennial daisy shrub.
Anaphalis margaritacea (L.) Benth.
Anaphalis margaritacea (L.) Benth.
Anaphalis margaritacea, or western pearly everlasting, is an edible flowering plant native to North America and Asia, often grown for dried arrangements.
Anaxeton arborescens (L.) Less.
Anaxeton arborescens (L.) Less.
Anaxeton arborescens is a pungent-scented subshrub endemic to mountain areas of South Africa's Western Cape.
Andryala glandulosa Lam.
Andryala glandulosa Lam.
Two Andryala taxa endemic to Madeira are usually subspecies of A. glandulosa; names for one taxon are misapplied, and it has been renamed Andryala subglabrata (Ferreira & al. 2023).
Andryala integrifolia L.
Andryala integrifolia L.
Common Andryala (Andryala integrifolia L.) is a flowering plant species in the Asteraceae family.
Anisocarpus madioides Nutt.
Anisocarpus madioides Nutt.
Anisocarpus madioides is a North American west coast perennial herb that grows in forest and woodland habitats.
Related Families
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