Blechnum spinulosum —Small Rasp Fern—BLECHNACEAE

Blechnum spinulosum

Link to Images on Flickr.

Habitat—Various habitats, from creek banks in rainforest to open rocky sites.

Distribution—North from Tasmania into Victoria, South Australia, New South Wales and North Queensland

Description— Rhizome short-creeping or tufted, covered with dark scales

Local occurrences

Barrington/Gloucester Tops, Cape Hawke, Knappinghat Nature Reserve, Waitui Falls and Wingham Brush.

Fronds.— Almost erect to decumbent, dimorphic, narrow—lanceolate, 15 to 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.

Blechnum spinulosum
Blechnum spinulosum

Sori.—In 1 row on each side of midrib and close to it, variable, ± circular to elongate, 1.5 to 2 mm long, becoming confluent with age.