Blechnum cartilagineum —Gristle fern, Soft Water Fern —BLECHNACEAE
Habitat—Widespread hardy fern found in open forest and rainforest.
Distribution—North from Tasmania into Victoria(?), New South Wales and North Queensland.
Description—Rhizome short-creeping, stipes covered with black scales.
Barrington/Gloucester Tops, Black Head, Black Head Flora Park, Boorganna Nature Reserve, Booti Hill, Burgess Beach, Burgess Road, Cape Hawke, Cellito, Charlotte Head, Cliff Road, Crowdy Bay National Park, Dixon Property, Karloo Street Reserve, Knappinghat Nature Reserve, Reservoir Hill Reserve, Saltwater Nature Reserve, Stephen Street Reserve, Talawahl Nature Reserve, The Sanctuary, Waitui Falls, Wallingat National Park and Zamia Place Reserve.
Fronds.— Erect, clustered, all ± similar, pinnate to pinnatisect, usually 50 to 100 cm long, often pink when young, pale green and ± harsh when mature, segments usually alternate, not markedly reducing in size towards base.
Sori.—Sterile fronds with segments 10 to 15 cm long, 10 to 15 mm wide and minutely toothed, attached by broad bases; fertile fronds with segments 10 to 15 cm long, 5 to 10 mm wide.