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

Microphiale agyrothalamia: type to be studied
Microthelia thelena: the specimen is Mycomicrothelia obovata (see Aptroot 1991)
Mycomicrothelia miculiformis: erroneous report
Myxodictyon subcaeruleum: no idea what this is
Nephroma helveticum: identical with N. tropicum
Nephromopsis nephromoides (Nyl.) Ahti & Randlane (as ectocarpisma (Hue) Gyelnik)
Streimann 1990. not cited by Randlane & Saag 1998.
N. stracheyi (Church. Bab.) Müll. Arg. Lambley 1991. not cited by Randlane & Saag 1998.
Ochrolechia frigida: this is Lecanora novaeguineae
Parmelia curtata: this is an Everniastrum (chemical strain)
Porina epiphylloides: this is P. minutissima.
Pseudopyrenula limitata: the type is lost, it may have been Trypethelium tropicum
Pyrenula ochracea: the type is lost
References
Aptroot, A. 1990. A conspectus of Normandina (Verrucariaceae, lichenized ascomycetes).
Willdenowia 21: 263-267.
Aptroot, A. 1991a. A monograph of the Pyrenulaceae (excluding Anthracothecium and Pyrenula)
and the Requienellaceae, with notes on the Pleomassariaceae, the Trypetheliaceae
and Mycomicrothelia (lichenized and non-lichenized ascomycetes). Bibliotheca
Lichenologica 44.
Aptroot, A. 1991b. Monoblastia pellucida: A remarkable new lichen species from tropical
coastal areas, with comments on the Monoblastiaceae. Bryologist 94: 404-406.
Aptroot, A. 1998. New lichens and lichen records from Papua New Guinea, with the description
of Crustospathula, a new genus in the Bacidiaceae. Tropical Bryology 14: 25-34.
Aptroot, A. 1999. Thelenella terricola, a new saprobic ascomycete from upland Papua New
Guinea. Fungal Diversity 2: 43-46.
Aptroot, A. 2007. Davidgallowaya cornutispora, an enigmatic lichen from New Guinea.
Bibliotheca Lichenologica 95: 137-145.
Aptroot, A. 2008. Sticta alpinotropica, a new saxicolous lichen species from the alpine zone of
Mt Wilhelm, Papua New Guinea. Lichenologist 40: 419-422.
Aptroot, A. & P.P.G. van den Boom 1995. Strigula lateralis spec. nov. with notes on the genus
Julella (Ascomycetes). Mycotaxon 56: 1-8.
Aptroot, A. & R. Lücking 2003. Phenotype-based phylogenetic analysis does not support
generic separation of Gyalidea and Solorinella (Ostropales: Asterothyriaceae).
Bibliotheca Lichenologica 86: 53-78.
Aptroot, A. & H. Sipman 1993. Musaespora, a genus of pyrenocarpous lichens with campylidia,
and other additions to the foliicolous lichen flora of New Guinea. Lichenologist 25:
121-135.
Aptroot, A. & L. Tibell 1998. Wegea, a new genus of non-lichenized, Calicioid ascomycetes in
the Arthoniales. Mycotaxon 65: 339-351.
Aptroot, A. & L. Tibell 2003. Chaenotheca papuensis, a new species from huts in a mountain
village in Papua New Guinea. Australasian Lichenology 52: 12-13.
Aptroot, A., P. Diederich, E. Sérusiaux & H.J.M. Sipman 1995. Lichens and lichenicolous
fungi of Laing Island (Papua New Guinea). Bibliotheca Lichenologica 57: 19-48.
Aptroot, A., P. Diederich, E. Sérusiaux & H.J.M. Sipman 1997. Lichens and lichenicolous
fungi from New Guinea. Bibliotheca Lichenologica 64: 1-230.
Archer, A.W. & J.A. Elix 1998a. Additional new species and two new reports in the lichen
genus Pertusaria (lichenised Ascomycotina) from Papua New Guinea. Mycotaxon
67: 155-179.
Archer, A.W. & J.A. Elix 1998b. The lichen genus Pertusaria (lichenised Ascomycotina) in
Papua New Guinea: Three new species and two new reports. Mycotaxon 69: 311-318.