Key Number 3, Characteristic Fungal Structures

Sclerotia present on leaf tissue

• Generally smaller then 1mm, loosely attached to the leaf, and usually dark brown to black in color

  (Typhula ishikariensis)

• Generally larger then 1mm, embedded in leaf tissue, and orange to brown in color

  (Typhula incarnata)

Mushroom growing in a ring or arc

• Mushrooms can be of several different types, grass around the ring or arc, may be enhanced, dead, or not affected

  (Basidiomycete spp.)