| gptkbp:instanceOf | gptkb:Symbiotic_organism 
 | 
                        
                            
                                | gptkbp:canBe | Natural dyes Litmus production
 
 | 
                        
                            
                                | gptkbp:canColonize | gptkb:Soil Bare rock
 Tree bark
 
 | 
                        
                            
                                | gptkbp:colorVaries | gptkb:Orange Black
 Gray
 Green
 Yellow
 
 | 
                        
                            
                                | gptkbp:composedOf | gptkb:Alga gptkb:Fungi
 Cyanobacterium
 
 | 
                        
                            
                                | gptkbp:discoveredBy | gptkb:Erik_Acharius 
 | 
                        
                            
                                | gptkbp:estimatedSpecies | Over 20,000 
 | 
                        
                            
                                | gptkbp:firstDescribed | 18th century 
 | 
                        
                            
                                | gptkbp:fixes | gptkb:Nitrogen 
 | 
                        
                            
                                | gptkbp:foundIn | gptkb:Rainforests Arctic tundra
 Deserts
 Urban areas
 Terrestrial habitats
 
 | 
                        
                            
                                | gptkbp:growthForm | Crustose Foliose
 Fruticose
 
 | 
                        
                            
                                | gptkbp:importantFor | Soil formation Ecosystem succession
 Food for caribou
 Food for reindeer
 
 | 
                        
                            
                                | gptkbp:mainFungalPartner | gptkb:Fungi Ascomycete
 
 | 
                        
                            
                                | gptkbp:photosyntheticPartner | Cyanobacterium Green alga
 
 | 
                        
                            
                                | gptkbp:reproduction | Fragmentation Spores
 
 | 
                        
                            
                                | gptkbp:sensitivity | gptkb:air_pollution 
 | 
                        
                            
                                | gptkbp:studiedIn | gptkb:Lichenology 
 | 
                        
                            
                                | gptkbp:survived | Extreme environments Space exposure
 
 | 
                        
                            
                                | gptkbp:symbiosisWith | gptkb:Mutualism 
 | 
                        
                            
                                | gptkbp:thallusType | Crustose Foliose
 Fruticose
 
 | 
                        
                            
                                | gptkbp:usedAs | Bioindicator 
 | 
                        
                            
                                | gptkbp:usedFor | gptkb:traditional_medicine Perfumes
 Dyes
 
 | 
                        
                            
                                | gptkbp:bfsParent | gptkb:Thallus 
 | 
                        
                            
                                | gptkbp:bfsLayer | 6 
 | 
                        
                            
                                | https://www.w3.org/2000/01/rdf-schema#label | Lichens 
 |