Boom, P. P. G. van den, Elix, J. A. & Sipman, H. J. M.: New or interesting lichen records from Guatemala I. — Willdenowia 37: 363–375. — ISSN 0511-9618; © 2007 BGBM Berlin-Dahlem. doi:10.3372/wi.37.37126 (available via http://dx.doi.org/)
184 lichen taxa are reported from three mountain areas and one coastal locality in Guatemala, 159 of which are considered new records for Guatemala; of these, 52 are new to Central America and 12 new to the Neotropics. Notes on ecology and detailed chemical analyses are given for many taxa.