Austroblechnum patersonii
{{Short description|Species of fern}}
{{Speciesbox
| image = Gardenology.org-IMG 0787 rbgs10dec.jpg
| image_caption = In the Royal Botanic Gardens, Sydney
| taxon = Austroblechnum patersonii
| authority = (R.Br.) Gasper & V.A.O.Dittrich
| synonyms =
{{Species list
|Blechnum patersonii|(R.Br.) Mett.
|Lomaria patersonii|(R.Br.) Spreng.
|Lomaria punctata|Blume
|Salpichlaena patersonii|(R.Br.) Fée
|Spicanta patersonii|(R.Br.) Kuntze
|Stegania patersonii|R.Br.
}}
}}
Austroblechnum patersonii, synonym Blechnum patersonii, is a fern in the family Blechnaceae. It is known as the strap water-fern.{{citation needed|date=December 2019}}
It is native to eastern Australia (Queensland, New South Wales, Victoria and Tasmania), Lord Howe Island, New Zealand and the Society Islands (Tahiti).
References
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{{Taxonbar|from1=Q42731224|from2=Q4925807|from3=Q38227594}}
Category:Flora of Lord Howe Island
Category:Flora of the Society Islands
Category:Taxa named by Robert Brown (botanist, born 1773)
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