@article {4729, title = {A first assessment of the Ticolichen biodiversity inventory in Costa Rica: the genus Coenogonium (Ostropales: Coenogoniaceae), with a world-wide key and checklist and a phenotype based cladistic analysis}, journal = {Fungal Diversity}, volume = {23}, year = {2006}, pages = {255-321}, url = {www.fungaldiversity.org/fdp/sfdp/23-13.pdf}, author = {Rivas Plata, E. and L{\"u}cking, R. and Aptroot, A. and Sipman, H.J.M. and Chaves, J.L. and Uma{\~n}a, L. and Lizano, D.} } @article {3327, title = {Phylogenetic patterns of morphological and chemical characters and reproductive mode in the Heterodermia obscurata group in Costa Rica (Ascomycota, Physciaceae)}, journal = {Systematics and Biodiversity}, volume = {6}, year = {2008}, pages = {31-41}, issn = {1477-2000}, doi = {10.1017/S1477200007002629}, url = {http://www.tandfonline.com/doi/abs/10.1017/S1477200007002629}, author = {L{\"u}cking, R. and del Prado, R. and Lumbsch, H.T. and Will-Wolf, S. and Aptroot, A. and Sipman, H.J.M. and Uma{\~n}a, L. and Chaves, J.L.} }