Bark paintings are produced from what kind of trees?

Bark painting is a type of australian aboriginal art style that is made in stringybark.

Explanation:

To understand this answer we need to analyze the context. First of all, Stringybark can be found in many eucalyptus trees. Which are very common in Australia, so we have two main reasons for it to be used as the main and most common base resource. The first one being the context availability and the second the properties it has allowed it to be the ideal material. It is very important to remember that it can be found in many types of eucalyptus.

that picture though