Keywords
Diseases
How to Cite
Dewdney, Megan M. 2019. “Algal Spot: A Re-Emerging Disease”. EDIS 2019 (November). Gainesville, FL. https://journals.flvc.org/edis/article/view/117663.
Abstract
Algal spot has not been seen frequently for many years, but in the last few years I have been getting more questions about identification and management. The disease is caused by a green alga, Cephaleuros virescens. The alga is not considered a parasite, as it grows superficially, but it does cause damage to trees if left unmanaged.