Dennstaedtiaceae >

Sori linear, marginal. Rhizome clothed with simple or pleuricellular hairs Dennstaedtiaceae
Sori linear, ± continuous and elongated in a marginal line. False indusium consisting of the recurved margin of the lamina, with or without a thin, inner true indusium which faces the costa
Veins anastomising below the sori (Fig. 15). Indusium 1-valved; the false indusium scarious, consisting of the recurved margin of the lamina; the inner true indusium absent. Rhizome clothed with scales and/or pleuricellular hairs which are narrowed at the base. and Stipule-like pinnules present at the base of the primary pinnae Histiopteris