Hale, Mason E., Jr. <br/><br/>
A revision of the lichen family Thelotremataceae in Panama 

 - Washington :  Smithsonian Isntitution,  1978 
 - 60 p.  : ilus. 
 - Smithsonian contributions to botany  ; 38 .
 - Smithsonian contributions to botany  ; 38 .
<br/><br/><label>LCCN: </label>24293 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Líquenes.<br/>Thelotremataceae.