Invasive Species Compendium

Detailed coverage of invasive species threatening livelihoods and the environment worldwide

Abstract

Toxicity of Helenium quadridentatum in calves and male white mice. First report from Cuba.

Abstract

H. quadridentatum was shown to be acutely toxic in three 45-day-old calves fed 3 kg of the green plant. The LD50 of the green plant for male white mice was 16.5 g/kg. Sesquiterpene lactones were extracted from the plant.