Secondary chemistry of the world's Psora species

The following compounds occur in the thallus. All Psora species also contain anthraquinones (mainly parietin) in the hymenium.

Speciesnoneatranorinnorstictic acidgyrophoric acidlecanoric acidbourgeanic acidhyposalazinic acidhypostictic acidhypoprotocetraric acidpannarinrhizocarpic acidusnic acidanthraquinoneszeorinunknown compounds
Psora brunneocarpa              M
Psora californica   MtM         
Psora cerebriformis M(t)            
Psora crenata  (M)           (M)
Psora decipiens(×) (M)   (S)(M)(M)      
Psora elenkinii×              
Psora globifera×              
Psora gresinonis  M            
Psora himalayana×              
Psora hyporubescens   M        M  
Psora hypotheja          M    
Psora icterica          M    
Psora indigirkae   M (M)         
Psora luridella×              
Psora montana   Mt          
Psora nipponica   Mt       (M)  
Psora nitida   Mt          
Psora pacifica   Mt         (t)
Psora peninsularis  M            
Psora pruinosa         M     
Psora pseudorussellii×              
Psora rubiformella M             
Psora rubiformis   M       M   
Psora russellii  M(t)           
Psora saviczii×              
Psora subrubiformis×              
Psora tenuifolia  M          M 
Psora testacea M             
Psora tuckermanii×              
Psora vallesiaca   M            
M: major, S: submajor, m: minor, t: trace, (): sometimes.