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Ambrosia artemisiifolia L.

Annual ragweed

5 062 4 024 Observations

Asteraceae

Ambrosia maritima L.

Least Concern

Coastal Ragweed

5 4 Observations

Asteraceae

Ambrosia psilostachya DC.

Perennial Ragweed

403 292 Observations

Asteraceae

Ambrosia tenuifolia Spreng.

Lacy Ambrosia

51 31 Observations

Asteraceae

Ambrosia trifida L.

Giant Ragweed

1 074 892 Observations

Asteraceae

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