Founded in 1907 by Cornell mycologist former Prof. Herbert H. Whetzel, plant pathology, the Cornell Plant Pathology Herbarium, or CUP, is the fourth largest museum of fungi in North America, home to nearly 400,000 fungal specimens.  Mycology, the scientific study of fungi, is a rapidly developing field. According to Teresa Iturriaga, the curator of CUP, only about five percent of the estimated ten million species of fungi have been discovered. Herbaria like CUP are systematically organized collections of preserved plant diseases and fungal specimens that provide mycologists — scientists who study fungi — with resources about plant diseases, biodiversity, climate change and more. CUP primarily serves as a lending library,…