Blechnum gregsonii
Fertile pinnae almost as broad as the sterile pinnae. Rhizome with very fleshy circinnate buds. Scales of the rhizome fawn, dull, almost as broad as long. Spores tuberculate, 56–90µm 44–86 µm, with a narrow wing 3.75–6µm, usually developed on one side of the spore. Pinnae pale green, shiny, rounded or slightly auriculate at the base. Mainly Blue Mts and Illawarra ranges near the coast. RF, usually on rock ledges, caves or near waterfalls, on wet cliff-faces or rarely epiphytic