growing on oak bark
On damp cliff under mixed eucalyptus/redwoods.
Elegant Sunburst Lichen & Snowflake
on roadside rock near Lake Lida
Pelican Rapids, Minnesota
Powdery mildew growing on a wild spindletree seedling.
On fallen oak. Largest about 1" across.
Ascomycota is a Division/Phylum of the kingdom Fungi that, together with the Basidiomycota, form the subkingdom Dikarya. Its members are commonly known as the sac fungi. They are the largest phylum of Fungi, with over 64,000 species. The defining feature of this fungal group is the "ascus" (from Greek: ἀσκός (askos), meaning "sac" or "wineskin"), a microscopic sexual structure in which nonmotile spores, called ascospores, are formed. However, some species of the Ascomycota are asexual, meaning...