This page shows organic painting, pictures based on motifs such as flowers and leaves, but also garden scenes. As far as construction and brushwork are concerned, the work is based on the principles of Chinese art. Mostly it works with ink and Indian ink on handmade paper or photo paper or synthetic paper.
abstract and gestural flowers plants and garden scenes
Some of the artwork now is listed at saatchi gallery Some can be found at: FriedrichZettl.com
Blog posts on these and similar topics are posted regularly on https://zettl.blog/journal/