Ascomycetes.

The Bernard Ogilvie Dodge collection consists of correspondence; research, business, and personal papers; manuscripts and typescripts; and graphic material such as photographs, diagrams, charts, lantern slides, and watercolor illustrations pertaining to his career at the U.S. Department of Agriculture (1924-28), the NYBG (1928-47), and post-retirement work to 1957.

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.