ambrosia artemisiifolia 23 Associations

common ragweed Ambrosia artemisiifolia ragweed (generic term) ambrosia (generic term) bitterweed (generic term)

ambrosia psilostachya 21 Associations

western ragweed perennial ragweed Ambrosia psilostachya ragweed (generic term) ambrosia (generic term) bitterweed (generic term)

ambrosia trifida 16 Associations

great ragweed Ambrosia trifida ragweed (generic term) ambrosia (generic term) bitterweed (generic term)

common ragweed 14 Associations

Ambrosia artemisiifolia ragweed (generic term) ambrosia (generic term) bitterweed (generic term)

great ragweed 13 Associations

Ambrosia trifida ragweed (generic term) ambrosia (generic term) bitterweed (generic term)

perennial ragweed 17 Associations

western ragweed Ambrosia psilostachya ragweed (generic term) ambrosia (generic term) bitterweed (generic term)

western ragweed 15 Associations

perennial ragweed Ambrosia psilostachya ragweed (generic term) ambrosia (generic term) bitterweed (generic term)