Pertusaria Group 12

Apothecia present, verruciform; ascospores 2 per ascus, rough; on rock

= view photo = view synonyms

1	4,5-Dichlorolichexanthone present	2
1a	4,5-Dichlorolichexanthone absent	4
2	Divaricatic acid present; spores 120-192 µm long; Aus	P. flindersiana Kantvilas & Elix
2a	Norstictic or stictic acids present	3
3	Norstictic acid present; spores spores 140-200 µm long; Aus, NZ	P. knightiana Müll. Arg.
3b	Stictic acid present; spores spores 150-180 µm long; Indonesia	P. tjibodana Zahlbr.
4	Norstictic acid present	5
4a	Norstictic acid absent; perlatolic and stenosporic acids present; spores 175-210 µm long; NZ cf. corticolous P. sorodes Stirt.	P. allanii Zahlbr.
5	Norstictic acid only present	6
5a	Norstictic ± perlatolic & stenosporic acids present; spores 153-223 µm long; NAm & China	P. plittiana Erichs.
6	Spores 190-245(-280) µm long; NZ	P. subverrucosa Nyl.
6a	Spores 150-250 µm long; epithecium K+ violet; Eur.	P. appenina Bagl. ex Massal.