| Physcia caesia (Hoffm.) Fürnr. | A. C. Waghorne 63 | 08 Mar 1894 | Canada | Newfoundland and Labrador | Newfoundland. Exploits | — |  |  |  |  | 
                       
                        
                            
                            
                                | Physcia caesia (Hoffm.) Fürnr. | E. Lay 01-0553 | 15 Sep 2001 | United States of America | New York | Jefferson Co. Chaumont. Three Mile… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Physcia caesia (Hoffm.) Fürnr. | E. Lay 04-0411 | 14 Aug 2004 | Estonia | Saare | Saaremaa Island. Sorve Peninsula Lou… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Physcia caesia (Hoffm.) Fürnr. | E. Lay 07-0254 | 10 Sep 2007 | Canada | Newfoundland and Labrador | Avalon Peninsula. Maritime Barrens Ecoregion.… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Physcia caesia (Hoffm.) Fürnr. | G. K. Merrill s.n. | s.d. | United States of America | Maine | Rockland | — |  |  |  |  | 
                       
                        
                            
                            
                                | Physcia caesia (Hoffm.) Fürnr. | I. L. Norberg 327 | Jul 1936 | United States of America | Alaska | Hinchinbrook Island, Prince William Sound | — |  |  |  |  | 
                       
                        
                            
                            
                                | Physcia caesia (Hoffm.) Fürnr. | J. C. Lendemer 10292 | 10 Sep 2007 | Canada | Newfoundland and Labrador | Island of Newfoundland, Avalon Peninsula,… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Physcia caesia (Hoffm.) Fürnr. | J. C. Lendemer 11125 | 15 Aug 2007 | Canada | Newfoundland and Labrador | Island of Newfoundland, Northern Peninsula,… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Physcia caesia (Hoffm.) Fürnr. | J. C. Lendemer 11133 | 15 Aug 2007 | Canada | Newfoundland and Labrador | Island of Newfoundland, Northern Peninsula,… | — |  |  |   |  | 
                       
                        
                            
                            
                                | Physcia caesia (Hoffm.) Fürnr. | J. C. Lendemer 11153 | 15 Aug 2007 | Canada | Newfoundland and Labrador | Island of Newfoundland, Northern Peninsula,… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Physcia caesia (Hoffm.) Fürnr. | J. C. Lendemer 14058 | 13 Sep 2008 | United States of America | New York | Greene Co. Town of Hunter,… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Physcia caesia (Hoffm.) Fürnr. | J. C. Lendemer 14623 | 02 Oct 2008 | United States of America | California | Riverside Co. Peninsular Range, San… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Physcia caesia (Hoffm.) Fürnr. | J. C. Lendemer 14936 | 07 Oct 2008 | United States of America | California | San Bernardino Co. Peninsular Range,… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Physcia caesia (Hoffm.) Fürnr. | J. C. Lendemer 21807 | 07 Mar 2010 | United States of America | Arizona | Yavapai Co. Coconino National Forest,… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Physcia caesia (Hoffm.) Fürnr. | J. C. Lendemer 33430 | 21 Oct 2012 | United States of America | Tennessee | Cocke Co. Great Smoky Mountains… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Physcia caesia (Hoffm.) Fürnr. | J. C. Lendemer 38109 | 21 Sep 2013 | United States of America | Maryland | Garrett Co. Elk Ridge Native… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Physcia caesia (Hoffm.) Fürnr. | J. C. Lendemer 43656 | 28 Jun 2014 | United States of America | New York | Hamilton Co. Town of Blue… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Physcia caesia (Hoffm.) Fürnr. | J. C. Lendemer 14153A | 19 Sep 2008 | Canada | Ontario | Bruce Co. Bruce Peninsula National… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Physcia caesia (Hoffm.) Fürnr. | J. C. Lendemer | A. G. Moroz 10748 | 17 Aug 2007 | Canada | Newfoundland and Labrador | Island of Newfoundland, Northern Peninsula,… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Physcia caesia (Hoffm.) Fürnr. | J. C. Lendemer | A. G. Moroz 10750 | 17 Aug 2007 | Canada | Newfoundland and Labrador | Island of Newfoundland, Northern Peninsula,… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Physcia caesia (Hoffm.) Fürnr. | J. C. Lendemer | A. G. Moroz 11007 | 15 Aug 2007 | Canada | Newfoundland and Labrador | Island of Newfoundland, Northern Peninsula,… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Physcia caesia (Hoffm.) Fürnr. | J. C. Lendemer | A. G. Moroz 11176 | 14 Aug 2007 | Canada | Newfoundland and Labrador | Island of Newfoundland, Northern Peninsula,… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Physcia caesia (Hoffm.) Fürnr. | J. C. Lendemer | W. R. Buck 12026 | 27 May 2007 | United States of America | New York | Dutchess Co. Roger Perry Memorial… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Physcia caesia (Hoffm.) Fürnr. | J. Hollinger 11222 | 09 May 2016 | United States of America | Nevada | Lincoln Co. Oak Springs Summit,… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Physcia caesia (Hoffm.) Fürnr. | J. Hollinger 11827 | 28 Mar 2016 | United States of America | Nevada | Churchill Co. Desatoya Range, mouth… | — |  |  |  |  |