''Asplenium attenuatum'' is a plant in the

spleenwort ''Asplenium'' is a genus of about 700 species of ferns, often treated as the only genus in the family (biology), family Aspleniaceae, though other authors consider ''Hymenasplenium'' separate, based on molecular phylogenetic analysis of DNA seque ...

group of ferns. The habitat is rocky shaded areas in

rainforest Rainforests are characterized by a closed and continuous tree canopy, moisture-dependent vegetation, the presence of epiphytes and lianas and the absence of wildfire. Rainforest can be classified as tropical rainforest or temperate rainfores ...

, occasionally seen growing on trees. Two varieties are recognized are ''A. attenuatum'' var. ''attenuatum'', with the lower third of the lamina lobed or the base pinnate, and ''A. attenuatum'' var. ''indivisum'', with a simple unbroken frond. This species first appeared in scientific literature in the year 1810, in the '' Prodromus Florae Novae Hollandiae'', published by the prolific Scottish botanist, Robert Brown.

References

attenuatum Ferns of Australia Flora of New South Wales Flora of Queensland Taxa named by Robert Brown (botanist, born 1773) Plants described in 1810 {{Polypodiales-stub