- Environmental Lichenology: Biomonitoring Trace-element Air Pollution
- Lichen Biology
- Protocols in Lichenology: Culturing, Biochemistry, Ecophysiology and Use in Biomonitoring
- Recent Advances in Lichenology: Modern Methods and Approaches in Biomonitoring and Bioprospection, Volume 1
- Recent Advances in Lichenology: Modern Methods and Approaches in Lichen Systematics and Culture Techniques, Volume 2
- Terricolous Lichens in India, Volume 1: Diversity Patterns and Distribution Ecology
- Terricolous Lichens in India, Volume 2: Morphotaxonomic Studies
- The biology of polar bryophytes and lichens
- Lichens
- The Molecular Biology of Lichen Symbiosis and Development
- The Lichens