American mycologist (1829–1905).
Job Bicknell Ellis (January 21, 1829 – December 30, 1905) was a pioneering North American mycologist known for his study of ascomycetes, especially the grouping of fungi called the Pyrenomycetes (known today as the Sordariomycetes). Born and raised in New York, he worked as a teacher and farmer before developing an interest in mycology. He collected specimens extensively, and together with his wife, prepared 200,000 sets of dried fungal samples that were sent out to subscribers in series between 1878 and 1894. Together with colleagues William A. Kellerman and Benjamin Matlack Everhart, he foun