LOCULOASCOMYCETIDAE: asci bitunicate; ascocarps are ascostromata in which the asci are borne in locules; orders: Myriangiales, Dothideales, Pleosporales, Hysteriales, Hemisphaeriales

• Pleosporales. Ascocarp a pseuothecial ascomata and not perithecium (or perithecial ascomata); with pseudoparaphyses. Families: Pleosporaceae which occur on wood and dead herbaceous stems; Venturiaceae which are plant parasites.

Pleosporaceae: on wood and on dead herbaceous stems

Pleospora: ascospores phaeodictyosporous within a bitunicate ascus

Venturiaceae: : plant parasites that produce the ascostromata beneath the epidermis or the cuticle of the host.

Venturia inaequalis (prepared slides) see. pg. 407 of Alexopoulos; Pseudothecial ascomata with didymosporus (2-celled) ascospores

Spilocacea stage. What kind of spores are produced? What is the advaptive advantage over producing two spore stages?

classification system (places icons into orders)

index to genera/species