title: Lichens On Galapagos Giant Tortoises.
abstract: The association of Physcia picta with the giant Galdpagos tortoise is believed to be the first reported occurrence of lichens on land animals. The habitat is restricted to specific sites on the carapace of male tortoises.
authors.forename: J R
authors.initials: JR
authors.lastname: Hendrickson
authors.forename: W A
authors.initials: WA
authors.lastname: Weber