Public domain photos

The image shows a close up of a piece of paper with a ruler next to it, and on the paper is a scale with some text and numbers. The scale is likely used to measure the length of the paper, and the paper appears to be a photo of bryophyte.

The image shows a close up of a piece of paper with a ruler next to it, and on the paper is a scale with some text and numbers. The scale is likely used to measure the length of the paper, and the paper appears to be a photo of bryophyte.Open in library