Mycologia.

The Clark T. Rogerson collection consists of correspondence, notebooks, research papers, manuscripts and typescripts, specimen material, and graphic material including color slides, photographs, negatives, and illustrations of fungi. The collection covers his career as a mycologist at Cornell University, Kansas State University, and the Garden. There are significant holdings relating to his editorship of the journal Mycologia and other scientific publications.

The Fred Jay Seaver Collection consists of correspondence, research and personal papers, manuscripts and typescripts, artwork, exhibit material, and photographic material including prints, negatives, lantern slides, and Kodachrome slides. It covers the entirety of his mycological career at the NYBG (1908-1948) as curator and editor of Mycologia.