INOPERCULATE DISCOMYCETES : ascus unitunicate and inoperculate. three orders: Helotiales; Phacidiales; Ostropales.

• Ostropales: ascospores filiform; apothecia imbedded in bark with the excipulum found as a white rim; called the 'toilet-seat' fungus.

Stictus: a very common fungus on hardwood branches and bark throughout northern California.

classification system (places icons into orders)

index to genera/species