Blechnaceae
Sori borne on elongated vascular commissures parallel to the midvein or attached to the outer walls of the areolae but facing the midvein Blechnaceae
Sori in 1–2 (rarely 3) rows, rather short or sometimes later confluent, 1 in each areola attached on the inner side of the veinlet or veinlets parallel to the costa (Fig. 23). Veins areolate in the fertile fronds and most of the sterile fronds, rarely free in the latter Doodia
Pinnae in the lower third of the frond or almost all the pinnae very shortly stalked. Sori distinct or confluent. Fronds submembranous to coriaceous, uniform to very dimorphic
Plants erect and robust. Pinnae stalked towards the base of the fronds. Fronds harsh, coriaceous to subcoriaceous, uniform. Widespread. Exposed slopes in gullies; open forests or RF amongst rocks D. australis australisD. australis