Terminology used in this Atlas is explained below. The reader is also referred to the Dictionary of the Fungi (Hawksworth et al., 1995). For descriptive terms in morphology, the Illustrated Dictionary of Mycology (Ulloa & Hanlin, 2000) is recommended. Diagram of used shape terminology

A – B – C – D – E – F – G – H – I – K – L – M – N – O – P – R – S – T – U – V – W Y Z

Glossary – U

ulcer – sore on the surface of the skin or mucous membrane with slowhealing.

umbonate – with a central swelling or thickening.

uncinate – branching backward in a hooked fashion.

undulate – of wavy appearance.

uniseriate – in Aspergillus: single layer of phialides on vesicle; of ascospores within an ascus: in a single row.

unitunicate – of asci: with a single wall.