Pertusaria Group 11

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

= view photo = view synonyms

1	4,5-Dichlorolichexanthone or thuringione [2,4,5-trichloro-3-O-methylnorlichexanthone] present	2
1a	Chlorinated xanthones absent	6
2	Thuringione present; spores 110-150 µm long; Japan	P. astomoides Nyl.
2a	4,5-Dichlorolichexanthone and stictic or norstictic acids present	3
3	Norstictic acid present; spores 97-105 µm long; ostioles black, conspicuous; West Indies	P. praetervisa var. expallens Vain
3a	Stictic acid present	4
4	Thallus isidiate; spores 170-230 µm long; Eur	P. areolata (Ach.) A. Massal.
4a	Thallus not isidiate	5
5	Spores 140-175 µm long; ostioles black; Aus, PNG	P. vulpina A.W. Archer
5a	Spores 95-115 µm long; ostioles black; PNG	P. atrospilota A.W. Archer & Elix
	Spores 82-112 µm long; ostioles translucent; West Indies	P. praetervisa var. pileolata Vain.
	Spores 92-102 µm long; ostioles black, punctiform; West Indies	P. praetervisa var. straminea Vain.
	Spores 100-170 µm long; Russia	P. globulata Oxner & A.M. Volkova
	Spores 155-230 µm long; ostioles black; Eur, Japan; also on wood	P. pertusa (L) Tuck.
	Spores 170-215 µm; medulla I+blue; Corsica	P. subrupestris Zschacke
6(1a)	K+ red and C- or K+ red and C+ red	7
6a	K-; 2'-O-methylperlatolic acid present	8
7	K+ red, C-ve; norstictic acid present	9
7a	K+ red, C+ red; alectorialic acid present; spores 22-40 µm; Arctic alpine	P. geminipara (Th.Fr.) C.Knight ex Brodo
8	Spores 130-150 µm long; thallus isidiate; Antarctic	P. signyae Øvstedal
8a	Spores 100-150 µm long; thallus non-isidiate; alectorialic, confluentic and planaic acids present; India	P. indica Srivasrava & Awasthi ?syn P. kodaikanalensis Choisy
9(7)	Norstictic acid only present	10
9a	Norstictic and protocetraric acids present; spores 80-150 µ long; N.Afr.	P. fdoulesiana Harm.
10	Spores 100-140 µm long; S.Am.	P. tesselaria Müll. Arg.
10a	Spores 70-100 µm; Japan	P. pachyplaca Nyl.
	Spores 110-150 µm; Japan	P. rhagadoplaca Nyl.
10b	Spores 120-250 µm long	11
11	Spores 145-270 µm long; thallus shiny; US.	P. californica Dibben
11a	Spores 150-250µm long; thallus nonshiny; Eur.	P. apennina Bagl.
	Spores 125-200 µm long; isidiate; Eur.	P. pseudocorallina (Lilj.) Arnold
11b	Spores 140-200 µm long; Hawaii	P. zahlbruckneri H. Magn.
	Spores 150-210 µm; India, with atranorin	Pertusaria sp. Singh & Sinha
	Spores120-200 µm long [85-245 µm, Dibben]; on moss; N.Am, Arctic	P. coriacea (Th.Fr.) Th.Fr.

Botanic Gardens Trust, Sydney, Australia

Science

Pertusaria Group 11

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