Giant Ragweed (Ambrosia trifida) | Triple 5 Plant Codex

# Giant Ragweed (Ambrosia trifida) | Triple 5 Plant Codex ## Identification Block - **Accepted Scientific Name:** *Ambrosia trifida* - **Family:** Asteraceae - **Common Names:** Giant Ragweed - **Scope Statement:** This page covers *Ambrosia trifida* in the context of the Triple 5 Plant Codex for pasture weed management in TN/KY. ## Required Page Structure ### 1. Overview Giant Ragweed is a native species often found in pasture systems in the Mid-South. It is classified under the Asteraceae family and is categorized as a weed, pasture, invasive, toxic. ### 6. Toxicity and Animal Interaction - **Toxicity Level:** High - **Species Affected:** dogs, cats - **Exposure Scenarios:** Risks associated with high toxicity level, particularly for dogs, cats. ### 11. Homestead Decision Guidance **Remove.** Decision based on high toxicity and invasive status. ### 12. Source Reference Appendix - [USDA PLANTS Profile](https://plants.usda.gov/home/search?query=Ambrosia%20trifida) - [UT Extension - Weed Management](https://utextension.tennessee.edu/) - [UK Extension - Pasture Weeds](https://forages.ca.uky.edu/) ## Structured Data - **Title:** Giant Ragweed (Ambrosia trifida) | Triple 5 Plant Codex - **Slug:** giant-ragweed - **Common Name:** Giant Ragweed - **Scientific Name:** Ambrosia trifida - **Family:** Asteraceae - **Categories:** weed, pasture, invasive, toxic - **Toxicity Level:** high - **Animals Affected:** dogs, cats - **Invasive Status:** invasive - **Native Status:** native