Bock, C., Hauck, M. & Fischer, E.: The lichen flora of Rwanda: an annotated checklist. — Willdenowia 37: 563–575. — ISSN 0511-9618; © 2007 BGBM Berlin-Dahlem. doi:10.3372/wi.37.37216 (available via http://dx.doi.org/)
A first compilation of the lichen flora of Rwanda, east-central Africa, is provided. A total of 178 lichenized fungi and four lichenicolous fungi is included. Pyrrhosphora russula is new to Africa. Thirty-three further species are first records for Rwanda, viz. Arthonia cinnabarina, Candelariella xanthostigma, Canoparmelia ecaperata, C. somaliensis, Collema pulcellum, Dirinaria confluens, Flavoparmelia subamplexa, Graphis scripta, Heterodermia japonica, H. podocarpa, Hyperphyscia syncolla, Leptogium adpressum, L. azureum, L. cyanescens, Parmelinella wallichiana, Parmotrema permutatum, Physcia aipolia, P. erumpens, P. krogiae, P. poncinsii, Pyxine cocoes, P. katendei, P. petricola, P. reticulata, P. subcinerea, Ramalina calcarata, R. disparata, R. pusiola, R. subpusilla, Usnea complanata, U. dasaea, U. himantodes and U. perhispidella.