Common name: Maple Tar Spot Fungus

Rhytisma is a genus of fungi known for causing the distinctive tar spot disease on maple leaves. While it's primarily of interest to botanists and arborists, it's not relevant to reefkeeping. Hobbyists are unlikely to encounter or need information on Rhytisma in the context of maintaining marine aquariums.

1. 
   Common name: Yellow Fungus

   Scientific name: Rhytisma fulvum