Armillaria luteobubalina is a species of mushroom in the family Physalacriaceae. Widely distributed in southern Australia, the fungus is responsible for a disease known as Armillaria root rot, a primary cause of Eucalyptus tree death and forest dieback. It is the most pathogenic and widespread of the six Armillaria species found in Australia. The fruit bodies, which appear at the base of infected trees and other woody plants in autumn (March–April), are edible, but require cooking to remove the bitter taste. The fungus is dispersed through spores produced on gills on the underside of the caps and by growing vegetatively through the root systems of host trees. Armillaria luteobubalina was first described in 1978, after having been discovered several years earlier growing in a Eucalyptus plantation in southeastern Australia. Studies show that the spread of disease in eucalypt forests is associated with infected stumps left following logging operations. (more...)
1941 – The Holocaust: German Nazis aided by their collaborators began the Babi Yar massacre in Kiev, Ukraine, killing over 30,000 Jewish civilians in two days and thousands more in the months that followed (monument pictured).
Wat Arun ("Temple of the Dawn") is a Buddhist temple in Bangkok, Thailand, across the river from the Grand Palace. It is named after Aruṇa, the Hindu god of the dawn, and was restored in the early 19th century during the reign of Rama II. Shown here is the entrance to the ordination hall.
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