Parapolystichum microsorum, synonym (in part) Lastreopsis microsora, known as the creeping shield fern is a common small plant found in eastern Australia and New Zealand.Brownsey & Dodsworth, New Zealand Ferns, David Bateman Ltd Auckland 2000, The habitat is rainforest or moist sheltered eucalyptus forests. It may form large colonies. The specific epithet microsora translates to "small sori".Les Robinson - Field Guide to the Native Plants of Sydney, page 312
Subspecies Two subspecies are recognized: Parapolystichum microsorum subsp. microsorum – Australia (eastern Queensland, eastern New South Wales and eastern Victoria), Norfolk Island Parapolystichum microsorum subsp. pentagulare (Colenso) Labiak, Sundue & R. C. Moran – New Zealand and Chatham Island
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