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

10b. Lobes loosely interwoven or separate, not exceeding 2.5 mm wide; perforations
very rare and irregular; lobes at least partly glossy brown, grey- or black-maculate;
apothecia absent; terricolous, saxicolous or epiphytic at high elevations;
containing physodic, physodalic and alectoronic acids. ......... Hypogymnia lugubris
11a. Thallus of numerous, intricately interwoven lobes up to 1.5 mm wide; apothecial
margins with papilla-like projections........................................................ M. stellata
11b. Thallus variable, short-lobed (to 3 mm wide) or with ± elongate, somewhat
radiating lobes; apothecial margins never with papilla-like projections ............... 12
12a. Thallus with fatty acids.........................................................................M. asekiensis
12b. Thallus with stictic acid complex .......................................................M. monospora
Nephroma Key:
1a. Margin of the apothecia with isidia, upper surface of the apothecia scabrid, pilose,
thallus grey to brown .............................................................................. N. tropicum
1b. Margin of the apothecia broad, without isidia, upper surface smooth, thallus grey.
...............................................................................................................N. plumbeum
Nephromopsis Key (after Randlane, T. & A. Saag 1998. Synopsis of the genus
Nephromopsis (fam. Parmeliaceae, lichenized Ascomycota). Cryptogamie, Bryologie et
Lichénologie 19: 175-191.):
1a. Apothecia laminal, always present ....................................................... N. pallescens
1b. Apothecia marginal or absent .........................................................N. morrisonicola
Pannaria Key (after Jørgensen, P.M. & H.J.M. Sipman 2006. The lichen family
Pannariaceae in the montane regions of New Guinea. Journal of the Hattori Botanical
Laboratory 100: 695-720.):
1a. Thallus with bluish gymnidia (isidia without cortex)............................. P. conoplea
1b. Thallus without gymnidia ........................................................................................ 2
2a. Thallus with isidia................................................................................ P. prolificans
2b. Thallus without isidia, usually fertile....................................................................... 3
3a. Thallus with green photobiont and cephalodia ........................................................ 4
3b. Thallus with cyanobiont only................................................................................... 5
4a. Thallus dominated by large, spreading lobes with green photobiont, with cushions
of globular cephalodia centrally...........................................................P. sphinctrina
4b. Thallus dominated by brittle, ascending, small squamules; green photobiont in the
marginal squamules only .........................................................................P. papuana
5a. Thallus gelatinous, swelling much when wet, strongly wrinkled when dry P. lurida
5b. Thallus not gelatinous, not or shallowly wrinkled................................................... 6
6a. Thallus blue-green, foliose, with coarsely bundled marginal rhizohyphae;
montane.................................................................................................................... 7