Visitors to artist Gregory Amenoff’s current exhibit might mistake the paintings on view as the work of a nature lover. The artist is displaying small, medium and large-size landscape-based abstractions teeming with organic shapes that suggest trees, caves, plant cells, soil, sky and water. But the forms here are not based on careful observation of the natural world. Rather, these are studio creations, more indebted to American Modernist landscape paintings than Mother Nature.