Brief article.

Information on monograph.

Information about lichens including fossil record, life history, ecology, morphology and systematics.

General information.

List of species protected by law in different countries.

Lichen genus found in Venezuela.

Description, structure, and environmental importance.

Photos and information about lichen biology. In Dutch and English.

Photographs, general information, identification and related links.

Information about lichen biology, lichens and wildlife, lichens and people, and the book of the same title, which was published in 2001.