![Ambrosia artemisiifolia - MREC - UF/IFAS - University of Florida, Institute of Food and Agricultural Sciences - UF/IFAS Ambrosia artemisiifolia - MREC - UF/IFAS - University of Florida, Institute of Food and Agricultural Sciences - UF/IFAS](https://mrec.ifas.ufl.edu/media/mrecifasufledu/weed-id-by-flower-color/green/Ambrosiaartemisiifolia.png)
Ambrosia artemisiifolia - MREC - UF/IFAS - University of Florida, Institute of Food and Agricultural Sciences - UF/IFAS
![The picture shows pollen on a plant of common ragweed (Ambrosia artemisiifolia), Cottbus, Germany, 11 September 2007. Ambrosia artemisiifolie has the world's stongest pollen allergen. It can cause itching eyes, tears, head The picture shows pollen on a plant of common ragweed (Ambrosia artemisiifolia), Cottbus, Germany, 11 September 2007. Ambrosia artemisiifolie has the world's stongest pollen allergen. It can cause itching eyes, tears, head](https://c8.alamy.com/comp/DB0MA5/the-picture-shows-pollen-on-a-plant-of-common-ragweed-ambrosia-artemisiifolia-DB0MA5.jpg)
The picture shows pollen on a plant of common ragweed (Ambrosia artemisiifolia), Cottbus, Germany, 11 September 2007. Ambrosia artemisiifolie has the world's stongest pollen allergen. It can cause itching eyes, tears, head
Ambrosia artemisiifolia (American Wormwood, Bitterweed, Blackweed, Carrot Weed, Common Ragweed, Hay Fever Weed, Ragweed) | North Carolina Extension Gardener Plant Toolbox
![Annual Ragweed, Common Ragweed, Ambrosia, Bitterweed, Hay-fever Weed, Hogbrake, Hogweed, Horseweed, Asthma Plant - Weeds Australia Annual Ragweed, Common Ragweed, Ambrosia, Bitterweed, Hay-fever Weed, Hogbrake, Hogweed, Horseweed, Asthma Plant - Weeds Australia](https://weeds.org.au/wp-content/uploads/2020/03/Ambrosia-artemisiifolia.jpg)