The dictionary has evolved significantly over ten editions to reflect the rapid progress in fungal science:

The (officially Ainsworth & Bisby's Dictionary of the Fungi ) is widely considered the "Bible" of mycology. Since its first publication in 1943, it has served as the essential reference for the classification, nomenclature, and terminology of the fungal kingdom. Core Purpose & Scope

: Definitions of mycological terms and short accounts of higher taxa.

The dictionary provides a comprehensive list of all fungal and lichen generic names. For every accepted genus, it details:

: Modern versions distinguish "true fungi" from chromistan and protistan "fungus-like" organisms (like water molds), placing them in their correct eukaryotic kingdoms. Significance in Research