The image is a photograph of a black rectangular sign with white text on it. The sign is attached to a black pole and is located in a grassy area with green plants in the background. The text on the sign reads "Aristolochiaceae" and "Asarum caudatum" in white letters. Below the text, there is the year "2007/08/6-B" in smaller white letters, indicating that the sign was taken in W.N. America.