Butterfly on a flower: Free images of butterflies and flowers, available for commercial use and free download. Copyright-free, no attribution required.
A building with a lot of windows and a lot of windows / A reflection of a building in a glass building public domain stock photo.
Two flies on a rock with other flies in the background / Two flies on a white surface - public domain insect photo.
A close up of a green acorn on a tree branch / A close up of a acorn on a tree / Public domain photo of forest, woods.
Seeds of a plant, photo by / A close up of a plant with a flower public domain stock photo.
A close up of a tree with green leaves and yellow fruit / A close up of a pine cone on a tree / Public domain photo of forest, woods.
Green Grass: Free images of grass, available for commercial use, free download.
A group of small flies on an orange / A group of fruit flies eating a piece of fruit - public domain insect photo.
A close up of a plant with a flower / A close up of a flower on a tree public domain stock photo.