P. M. J⊘rgensen

Matching Dendrochronological Dates with the Southern Hemisphere 14C Bomb Curve to Confirm Annual Tree Rings in Pseudolmedia rigida from Bolivia

A. Fuentes, L. Andreu‐Hayles, G. Santos, 2015, Radiocarbon.

Studies in the lichen family Pannariaceae VIII. Seven new parmelielloid lichens from New Zealand

P. M. J⊘rgensen, 1999 .