Botanic Gardens Trust, Sydney, Australia

Science




Pertusaria Group 19

Apothecia present, disciform; ascospores 8 per ascus, on rock

photo = view photo synonyms = view synonyms

1

4,5-Dichlorolichexanthone and 2-O-methylperlatolic acid present; spores 45-55 µm long; on moss; NZ 

P. scottii Elix & A.W. Archer

1a Depsidones present  2

2

Fumarprotocetraric or salazinic acid present 

3

2a Norstictic or stictic acid present  4

3

Fumarprotocetraric acid present; spores 23-28 µm long; thallus isidiate; Eur 

P. oculata (Dickson) Th. Fr.

3a Salazinic acid present; 24-39 µm long; thallus lacking isidia; Falkland Is.  P. salacinifera Messuti & A.W. Archer photo

4

Stictic acid present 

5

4a Norstictic acid present 6

5

On moss; spores 80-120 µm long; NZ 

P. tyloplaca Nyl.

5a On rock; spores 25-42 µm long; Eur, N.Am.  P. chiodectonoides Bagl. ex Massal. synonyms

6

Spores 18-24 µm long; NZ, S.Am. 

P. monticola Messuti & A.W. Archer

6a Spores 30-40(-47) µm long; S. Hemisphere P. erubescens (Taylor) Nyl. photo synonyms