However, almost all mature American elm trees have been killed in the last 50 years by Dutch elm disease, which is caused by a fungus, Ophiostoma novo-ulmi, introduced from Asia. Elm bark beetles ...

Turning waste into fuel is a key to second-generation biofuels. This fungus has been found on a Patagonian tree called ulmo (Eucryphia cordifolia), and the remarkable quality is that it produces ...