Before revision: coffee lettuce melon oat olive onion peach pear radish rice rye sorghum soybean sugarcane and sugar beet turnip wheat avocado cassava (manioc, tapioca, yuca) cocoa bean (cacao) cotton (long-staple species) cranberry (bearberry species) squashes, including pumpkin guava (common) maize (corn) papaya peanut pineapple potato sweet potato sunflower tobacco tomato Infectious diseases bubonic plague cholera malaria measles smallpox typhoid fever yellow fever syphilis ( disputed ) Later history Plants that arrived by land, sea, or air in the times before 1492 are called archaeophytes, and plants introduced to Europe after those times are called neophytes.
After revision: coffee lettuce melon oat olive onion peach pear radish rice rye sorghum soybean sugarcane and sugar beet turnip wheat avocado cassava (manioc, tapioca, yuca) cocoa bean (cacao) cotton (long-staple species) cranberry (bearberry species) squashes, including pumpkin guava (common) maize (corn) papaya peanut pineapple potato sweet potato sunflower tobacco tomato Infectious diseases bubonic plague cholera malaria measles smallpox typhoid fever yellow fever syphilis ( probably ) Later history Plants that arrived by land, sea, or air in the times before 1492 are called archaeophytes, and plants introduced to Europe after those times are called neophytes.