Public domain photos

The image shows a field of tall grass with a purple flower in the middle, surrounded by trees in the background. The flower is a great knapweed, with its distinctive purple petals and white center, and a butterfly perched on one of its petals.

The image shows a field of tall grass with a purple flower in the middle, surrounded by trees in the background. The flower is a great knapweed, with its distinctive purple petals and white center, and a butterfly perched on one of its petals.Open in library