English: Small rasp fern.
Synonyms: Blechnum spinulosum.
Region: Australia, new Zealand.
Habitat: creek banks in rainforest; open rocky sites.
BotanyRoot: rhizome short-creeping or tufted, covered with dark scales.
Leaves: fronds almost erect to decumbent, dimorphic, narrow-lanceolate, 15–30 cm high; stipe short, pale but dark towards base; lamina dark green, almost membranous to ± leathery, 1-pinnatifid to 1-pinnate with more than 1 pair of pinnae free, sessile to shortly stalked.
Sori: 1 row on each side of midrib and close to it, variable, ± circular to elongate, ± 2 mm long, becoming confluent with age.