Aptroot, A. & Schumm, F. (2012) The genus Melanophloea, an example of convergent evolution towards polyspory. Lichenologist
44: 501–509.
Cáceres, M. E. S. (2007) Corticolous crustose and microfoliose lichens of northeastern Brazil. Libri Botanici
22: 1–168.
Canals, A. & Gómez-Bolea, A. (1992)
Ramonia calcicola, a new lichen species from Catalonia, Spain. Lichenologist
24: 308–311.
Coppins, B. J. (1987) The genus Ramonia in the British Isles. Lichenologist
19: 409–417.
Coppins, B. J., Thor, G. & Nordin, A. (1994) The genus Ramonia in Sweden. Graphis Scripta
6: 89–92.
Ertz, D. & Diederich, P. (2004) Revision of Trimmatothele (Verrucariaceae), and description of Oevstedalia for Trimmatothelopsis antarctica, a new genus with true ascoconidia. Mycological Progress
3: 229–236.
Ferraro, L. I. (2000) Novedades en los géneros Calenia y Tricharia (Gomphillaceae, ascomycetes foliícolas liquenizados) de Argentina y Paraguay oriental. Bonplandia
10: 129–137.
Frisch, A. & Kalb, K. (2006) The lichen genus Topeliopsis, additions and corrections. Lichenologist
38: 37–45.
Gagarina, L. V. & Stepanchikova, I. S. (2013)
Ramonia himelbrantii, a new corticolous lichen species from Russia. Graphis scripta
25: 12–15.
Hafellner, J. & Bellemère, A. (1983) Über die Bildung phialidischer Konidien in den mauerformigen, einzeln im Ascus liegenden Sporen von Brigantiaea leucoxantha (lichenisierte Ascomycetes, Lecanorales). Nova Hedwigia
38: 169–186.
Kalb, K. (2007) New or otherwise interesting lichens. III. Bibliotheca Lichenologica
95: 297–316.
Lendemer, J. C. & Knudsen, K. (2008)
Ramonia vermispora, a new species from the Sonoran Desert region of southwestern North America. Opuscula Philolichenum
5: 83–88.
Lendemer, J. C., Knudsen, K. & Coppins, B. J. (2009) Further notes on the genus Ramonia in California: the first modern record of R. ablephora and the description of R. extensa sp. nov. Opuscula Philolichenum
7: 191–194.
Lücking, R. (2008) Foliicolous lichenized fungi. Flora Neotropica
103: 1–866.
Orange, A., James, P. W. & White, F. J. (2001) Microchemical Methods for the Identification of Lichens. London: British Lichen Society.
Øvstedal, D. O. & Gremmen, N. J. M. (2001) The lichens of Marion and Prince Edward Islands. South African Journal of Botany
67: 552–572.
Rivas Plata, E., Lücking, R., Sipman, H. J. M., Mangold, A., Kalb, K. & Lumbsch, H. T. (2010) A world-wide key to thelotremoid Graphidaceae, excluding the Ocellularia-Myriotrema-Stegobolus clade. Lichenologist
42: 139–185.
Santesson, R. (1952) Foliicolous lichens 1. Symbolae Botanicae Upsalienses
12(1): 1–590.
Sherwood, M. A. (1977) A non-lichenized species of Ramonia
. Mycotaxon
6: 186–189.
Thomas, W. W. & Barbosa, M. R. de V. (2008) Natural vegetation types in the Atlantic coastal forest of northeastern Brazil. Memoirs of the New York Botanical Garden
100: 6–20.
Thor, G. & Vězda, A. (1984) Einige neue oder bemerkenswerte Flechten mit gyalectoiden Apothecien von Nord-Indien und Nepal. Folia Geobotanica et Phytotaxonomica
19: 71–82.
Vězda, A. (1966) Flechtensystematische Studien III. Die Gattungen Ramonia Stiz. und Gloeolecta Lett. Folia Geobotanica et Phytotaxonomica
1: 154–175.
Vězda, A. (1967) Flechtensystematische Studien V. Die Gattung Ramonia Stiz. Zusätze. Folia Geobotanica et Phytotaxonomica
2: 311–317.
Vězda, A. (1973) Flechtensystematische Studien IX. Die Gattung Ramonia Stiz. Zusätze 2. Folia Geobotanica et Phytotaxonomica
8: 417–424.
Webster, J. & Weber, R. W. S. (2007) Introduction to Fungi. Cambridge: Cambridge University Press.