1. Tall annual marsh elder common in moist rich soil in central North America that can cause contact dermatitis; produces much pollen that is a major cause of hay fever
   - burweed marsh elder, false ragweed

Type of: iva, marsh elder

• foreshock
• foreshore
• foreshorten
• foreshow
• foresight
• foresighted
• foresightedness
• foresightful
• foresightfulness
• foreskin
• forest
• forest fire
• forest fire fighter
• forest goat
• forest god
• forest red gum
• forest tent caterpillar
• forestage
• forestall
• forestalling
• forestay
• forested
• forester
• forestiera
• Forestiera neomexicana