It is sphaerobolus a common fungus that sticks firmly to light or white colored surfaces and resembles spots of tar.
Black spot spors on siding.
They are the reproductive structures produced by artillery fungus sphaerobolus stellatus one of several fungi common on wood mulches used around plantings in home and commercial landscapes.
We have these small black spots that look like specks of tar all over our white vinyl siding of our house.
Use these simple landscaping tips to prevent this from happening.
By the growth pattern we think this is almost certainly a dark colored algae.
The black stains on the vinyl siding shown at left may be a fungus or a black agae.
Those annoying black spots that creep up your siding or splash along the side of your car may not be mud spatters but artillery fungus.
Are those spots alive.
Artillery fungus is a wood dwelling fungus commonly found in mulch.
But testing is probably not justified.
You have the infamous artillery fungus.
The black tar like spots that are all over your vinyl siding are more than likely a fungus called sphaerobolus stellatus better known as artillery or shotgun fungus.
In nature the artillery fungus shoots its spores towards sunlight.
What is artillery fungus.
Although it s most often found on the east coast it can grow anywhere and especially thrives in areas that have cool damp springs or rainy fall weather conditions.
Small black spots on siding.
If you notice lots of tiny black or dark brown spots developing on your siding above a landscaped area of your yard as seen below it is most likely artillery otherwise known as shotgun fungus.
Black spots on siding.
Bet your boat will have spots too if you have one.
The dark spots are indeed spores but they do not come from your oak trees.
It s on the porch my windows but it is worse on the siding.
All of these fungi are involved in the natural decomposition of wood based mulches.
The lady called us out in a job today to have us take big poop off her siding.
In the absence of direct sunlight it shoots the spores at highly reflective surfaces such as white house siding.
And of course the black spots show up better on white surfaces so they are noticed more easily.
How to clean fly poop or possible artillery fungus stains.
A microscopy lab examination of a sample from this surface would be needed to know for sure.
