Welcome to the Lady Bird Johnson Wildflower Center's collection of 195,374 plant images. We have listened to our users and made it even easier to find images in this updated version of the image gallery. All thumbnails are linked to larger versions of the image and image information.

Ambrosia trifida

Ambrosia trifida L.

Great Ragweed, Giant Ragweed

Asteraceae (Aster Family)

USDA Symbol: AMTR

USDA Native Status: L48 (N), CAN (N)

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