|Latin Name: Pteridium aquilinum|
Bracken is a common native perennial plant found usually on hills and moorland. It spreads by black horizontal rhizomes deep in the soil to forms large patches. The triangular bladed leaves grow 1m - 1.5m feet tall on good sites. Spores produced in late summer.
Weight loss, weakness, gait abnormalities - staggering (bracken staggers), lack of coordination, muscle tremors. Early in the course of the poisoning a slow heart rate and abnormalities of the heart rhythm changing to increase in heartbeat and temperature. after mild exercise. If untreated and the poisoning runs its course death occurs within 2 to 10 days of the onset of signs.