Adiantum L. >
False indusium covering and bearing the sorus, consisting of a sharply reflexed, flap formed by the lamina(Fig. 17). Rhachises and stipes black or dark brown Adiantum
Each ultimate frond-segment attached by a comparatively long stalk coming from the middle or almost the middle of the base, not dimidiate.
Scales on rhizomes with ciliate margins, dark brown. Rhizome erect or shortly creeping. Plants to 75 cm high. Along the banks of rivers and creeks Adiantum atroviride