Fraxinus excelsior: The European ash tree species that is highly susceptible to ash dieback. Conidia: Asexual spores produced by fungi that facilitate the spread of pathogens.

The common ash (Fraxinus excelsior) is one of the most important native tree species in Ireland but is threatened by the spread of ash dieback (also known as Chalara disease). The disease is caused by ...

Ash dieback – a fatal disease of Britain’s native ash trees (Fraxinus excelsior) – is one of the worst tree disease epidemics the UK has ever seen. The disease is caused by a fungus that ...

Vancouver’s more than 7,000 ash street trees, plus thousands more in parks and gardens, could be destroyed if the deadly dieback fungal disease now sweeping Britain and other European countries ...

Leaves and fruit of the common ash, Fraxinus excelsior WIKIMEDIA, JESMOND DENE Botanists in the UK have teamed up with game development company Team Cooper to design a social media game that uses real ...

Ash dieback, sometimes referred to as ‘chalara’, is a fungal tree disease, Hymenoscyphus fraxineus, affecting the UK’s native ash tree Fraxinus excelsior, which originated in Asia.