Abstract: Kanz, B., Brackel, W. v., Cezanne, R., Eichler, M., Hohmann, M.-L., Teuber , D. & Printzen, C. 2015. DNA barcodes for the distinction of reindeer lichens: a case study using Cladonia rangiferina and C. stygia. — Herzogia 28: 445–464. Many groups of lichens are difficult to identify due to their phenotypical plasticity. Molecular methods are therefore increasingly used not only to elucidate phylogenetic relationships among taxa, but also to assign individuals to species. Most members of the genus Cladonia are conspicuous and frequently collected, but notoriously variable. At the same time the genus comprises species that have to be regularly monitored under EU legislation. A „DNA barcoding“ approach could thus be very helpful to correctly identify taxa. The internal transcribed spacer region of the ribosomal RNA repeat has been proposed as a universal barcoding marker for fungi. However, it has also been shown that data from this locus alone might be insufficient to reliably distinguish members o...