CommunitySpores in Mulch: Artillery Fungus

Spores in Mulch: Artillery Fungus

How do I clean small black spore marks left on my white siding?

The Money Pit Answer
This sounds like it may be artillery fungus.  Listen to this call to learn how to remove it:  http://www.moneypit.com/audio-q-a/remove-mulch-artillery-fungus-siding.