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

• Helotiales: ascocarp epigeous, an apothecium, not imbedded in host tissue; ascus inoperculate, unitunicate, and with an amyloid apical sphincter; families dermeataceae, helotiaceae, hyaloscyphaceae, geoglossaceae, sclerotiniaceae
  • Sclerotiniaceae. Differs from other families in the Helotiales by forming an overwintering structure called a sclerotium; apothecia stalked; ascosporess elliptiacl and amerosporous.

Sclerotinia.

classification system (places icons into orders)

index to genera/species