Buczkowska, K. et al. 2013. PCR-based molecular markers for identification of taxa from the Calypogeia fissa complex (Jungermanniopsida, Calypogeiaceae). Biodiversity: Research and Conservation. 28, (Feb. 2013), 9–18. DOI:https://doi.org/10.2478/v10119-012-0024-3.