@article {4600, title = {Generic classification of the Verrucariaceae (Ascomycota) based on molecular and morphological evidence: recent progress and remaining challenges}, journal = {Taxon}, volume = {58}, year = {2009}, pages = {184-208}, author = {Gueidan, C. and Savic, S. and Th{\"u}s, H. and Roux, C. and Keller, C. and Tibell, L. and Prieto, M. and Hei{\dh}marsson, S. and Breuss, O. and Orange, A. and Fr{\"o}berg, L. and Wynns, A.A. and Navarro-Rosin{\'e}s, P. and Krzewicka, B. and Pyk{\"a}l{\"a}, J. and Grube, M. and Lutzoni, F.} } @article {2492, title = {Ribosomal DNA and beta-tubulin data do not support the separation of the lichens Usnea florida and U. subfloridana as distinct specie}, journal = {Mycological Research}, volume = {106}, year = {2002}, pages = {412-418}, doi = {10.1017/S0953756202005}, author = {Articus, K. and Mattson, J.-E. and Tibell, L. and Grube, M. and Wedin, M.} }