The ascospores are single-celled, bipolar symmetrical, and usually bilaterally symmetrical, ranging from roughly spherical to ellipsoidal to occasionally fusoid. The ascospores of some species develop surface ornamentations such as warts, ridges, or spines.
Ascospores are single-celled, with a bipolar symmetry that is frequently bilateral, and their shapes range from roughly spherical to elongated to sometimes fusiform. Some species' ascospores exhibit surface modifications like warts, ridges, or spines.