Presents an annotated list of fifty-eight lichenicolous taxa from North America. New: Lichenochora xanthoriae Triebel & Rambold sp. nov., Sphaerellothecium subtile Triebel & Rambold sp. nov., Arthonia subfuscicola (Lindsay) Triebel comb. nov., Stigmidium congestum (Koerb.) Triebel comb. nov. New to North America: Abrothallus peyritschii, A. prodiens, Adelococcus alpestris, Arthonia clemens, A. epiphyscia, A. glaucomaria, A. subfuscicola, Cercidospora epicarphinea, Dactylospora deminuta, Epilichen stellatus, Karschia inops, Lichenoconium pyxidatae, L. xanthoriae, Lichenodiplis lecanorae, Peridothelia grandiuscula, Polycoccum galligenum, Polysporina lapponica, Pyrenidium actinellum, Rinodina insularis, Skyttea elachistosphora, Sphaerellothecium abditum, Stigmidium congestum, S. fuscatae, S. tabacinae, Vouauxiomyces truncatus