(CC) Photo: Jasper Wubs A dried frond, the brown lines of sori are clearly visible. Upper right: upper side (adaxial) of the frond, lower right: under side (abaxial). The inset to the left is a close-up of the tip of the frond, showing the sori in more detail.
(PD) Photo: Jasper Wubs A Group of Hart's tongue ferns growing in a drainage ditch on the forest floor.
