A Chapter of Maine Audubon
Photo Credit – Dr.Butler
This talk was rescheduled from 10/12
This presentation will provide a general overview of the evolution, morphology, and physiology
of lichens. The ecological role of lichens in terrestrial ecosystems with be discussed, and the uses
of lichens by animals (including humans) will be explored. A brief survey of some common Maine
foliose, fruticose, squamulose, and crustose lichens will be presented, and some key references for
lichen identification will be highlighted.
Dr. Ron Butler retired in 2021 as Emeritus Professor at the University of Maine at Farmington after 40
years of teaching