Abstract
The article reviews some of the main characteristics of Pteridium aquilinum (bracken fern) and the main consequences of its ingestion by livestock animals, laboratory animals and man. Ptaquiloside is considered the main responsible for the neoplasias in these cases. Three main routes may lead to human exposure to the toxic effects of bracken fern: eating the plant, physical contact (inhalation of the spores or ingestion of contaminated water) and ingestion of raw milk from affected animals.

This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
Copyright (c) 2004 Guilherme Durante Cruz, Ana Paula F. R. L. Bracarense
