Botanic Gardens Trust, Sydney, Australia

Science




Pertusaria Group 6

Apothecia present, verruciform; ascospores 1 per ascus; on wood

photo = view photo synonyms = view synonyms

1

Xanthones present 

3

1a Xanthones absent; protocetraric or fumarprotocetraric acid present   2

2

Protocetraric acid present; thallus not isidiate; spores 220-225 µm long; Indonesia 

P. leeuwenii Zahlbr. photo

2a Fumarprotocetraric acid present; thallus isidiate; spores 160-280 µm long; Greece   

 P. graeca Erichs.

3

Thiophaninic acid present

4

3a Lichexanthone or 4,5-dichlorolichexanthone present  7

4

Thiophaninic acid only present; spores 142-187 µm long; ostioles black, disciform; Canary Is

P. calderae C.Hdez.-Padr et al.

4a  Thiophaninic acid and 2'-O-methylperlatolic or confluentic acids present  

5

5

Confluentic acid present; spores 150-250 µm long; Greece  

P. corinthiaca Erichs.

5a 2'-O-Methylperlatolic acid present; spores 120-220 mm long 6

6

Spores 180-220 µm long; Eur 

P. caesioalba (Flot.) Nyl.

6a Spores 120-150µm long; ± planaic acid; Turkey  P. paramerae A.Crespo & Vezda

7

Lichexanthone present; spores 170-225 µm long; S.Am. [also 2/ascus] 

P. tetrathalamia var. major Müll. Arg.

7a 4,5-Dichlorolichexanthone and stictic acid present; spores rarely 1 per ascus, 262 x 45 µm, usually 4 per ascus (q.v.); West Indies P. ascidioides Vain.