Common name: Harsh Shield Fern
Polystichum australiense Tindale APNI* 
Description: Rhizome and base of stipes covered with dull, brown scales.
Fronds 2–3-pinnate, usually 40–90 cm long, main rachis moderately scaly, often giving rise to scaly proliferous buds; lamina dark green, leathery, ultimate segments with distinctly aristate margins.
Sori circular; indusium brown, sometimes with a dark centre, not persistent.
Distribution and occurrence: Widespread in open forest and on rainforest margins; south from the Tweed region, more common in southern parts.
NSW subdivisions: NC, CC, SC, CT, CWS
Text by Peter G. Wilson
Taxon concept: D.L. Jones (1998)
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.
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