Keys to the macrolichens and checklist of the lichens and ...

Navarro-Rosines, P., C. Roux & P. Diederich 1998. Lichenochora bellemerei sp. nov.,
champignon lichénicole non lichénisé (Ascomycetes, Phyllachorales). Cryptogamie,
Bryologie-Lichénologie 19: 211-219.
Randlane, T., A. Thell & A. Saag 1995. New data about the genera Cetrariopsis, Cetreliopsis
and Nephromopsis (fam. Parmeliaceae, lichenized Ascomycotina). Cryptogamie,
Bryologie et Lichénologie 16: 35-60.
Randlane, T. & A. Saag 1998. Synopsis of the genus Nephromopsis (fam. Parmeliaceae,
lichenized Ascomycota). Cryptogamie, Bryologie et Lichénologie 19: 175-191.
Santesson, R. 2004. Two new species of Thamnolia. Symbolae Botanicae Upsalienses 34(1):
393-397.
Sérusiaux, E. 1986. The nature and origin of campylidia in lichenized fungi. Lichenologist 18: 1-
35.
Sérusiaux, E. 1995. Further new lichen species producing campylidia and complex conidiomata.
Bibliotheca Lichenologica 58: 411-431.
Sérusiaux, E. 1997. Sporopodiopsis, a new genus of lichens (Ectolechiaceae) from S-E Asia.
Abstracta Botanica 21: 145-152.
Sérusiaux, E. & A. Aptroot 1998. A further new species of Monoblastia (lichenized
ascomycetes: Monoblastiaceae) from Papua New Guinea. Nova Hedwigia 67: 259-
265.
Sérusiaux, E. & R. Lücking 2001. Aspidothelium gemmiferum sp. nov., from Papua New
Guinea. Mycotaxon 79: 43-49.
Sérusiaux, E. & R. Lücking 2003. The lichen genus Caprettia Bat. & H. Maia
(Monoblastiaceae). Bibliotheca Lichenologica 58: 161-176.
Sérusiaux, E., B.J. Coppins & R. Lücking 2007. Phylloblastia inexpectata (Verrucariaceae),
a new species of foliicolous lichen from Western Europe and Madeira.
Lichenologist 39: 103-108.
Sérusiaux, E., R. Lücking & H.T. Lumbsch 2008. Sporopodium isidiatum (Pilocarpaceae)
new from Papua New Guinea and Sri Lanka, with a key to the world's
Sporopodium lichen species. Mycotaxon 103: 255-262.
Sérusiaux, E., R. Lücking & L.B. Sparrius 2008. Opegrapha viridistellata (Roccellaceae), a
new foliicolous lichen species from the Paleotropics. Mycotaxon 104: 223-227.
Sérusiaux, E., B. Goffinet, J. Miadlikowska & O. Vitikainen 2009. Taxonomy, phylogeny
nd biogeography of the lichen genus Peltigera in Papua New Guinea. Fungal
Diversity 38: 185-224.
Sipman, H.J.M. 1998. Notes on the lichen genus Stereocaulon in New Guinea. Cryptogamie,
Bryologie et Lichénologie 19: 229-245.
Sipman, H. 2004. The species of Lobaria (lichenized Ascomycetes) in New Guinea.
Bibliotheca Lichenologica 88: 573-606.
Sparrius, L.B. 2004. A Monograph of Enterographa and Sclerophyton. Bibliotheca
Lichenologica 89: 1-141.
Staiger, B. 2002. Die Flechtenfamilie Graphidaceae. Studien in Richtung einer natürlicheren
Gliederung. Bibliotheca Lichenologica 85: 1-526.
Staiger, B. & K. Kalb 1995. Haematomma-studien I. Die Flechtengattung Haematomma.
Bibliotheca Lichenologica 59: 1-198.
Stenroos, S. 1986. The family Cladoniaceae in Melanesia. 2. Cladonia section Cocciferae.
Annales Botanici Fennici 23: 239-250.
Stenroos, S. 1988a. The family Cladoniaceae in Melanesia. 3. Cladonia sections Helopodium,
Perviae and Cladonia. Annales Botanici Fennici 25: 117-148.
Stenroos, S. 1988b. The family Cladoniaceae in Melanesia. 4. The genera Cladia, Cladina,
Calathaspis and Thysanothecium. Annales Botanici Fennici 25: 207-217.
Stevens, G.N. 1991. The tropical Pacific species of Usnea and Ramalina and their relationship to
species in other parts of the world. pp. 47-68 in: D.J. Galloway, Tropical Lichens:
Their systematics, conservation, and ecology. Systematics Association special
volume 43.