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 attached by their bases except the lowermost pair sometimes shortly stalked and somewhat enlarged. Sori distinct (Fig. 23). Fronds harsh, coriaceous to subcoriaceous, uniform. Widespread. RF gullies or tall open forests. Rasp Fern Doodia aspera