Mycena luxarboricola (Light Tree-dweller) (image) San Francisco State University Caption A new luminescent fungus, Mycena luxarboricola, discovered by San Francisco State University Professor Dennis Desjardin and Professor Cassius V. Stevani from the University of Sao Paulo, has been reported in the journal Mycologia. The species was collected in Paraná, Brazil and was found on the bark of a living tree in old growth Atlantic forest. These mushrooms are tiny with each cap measuring less than 5 millimeters in diameter. Credit Cassius V. Stevani, Chemistry Institute, University of Sao Paulo Usage Restrictions For one time use only Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.