Crouania willae

{{Short description|Species of alga}}

{{Use dmy dates|date=April 2022}}

{{Speciesbox

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| genus = Crouania

| species = willae

| authority = R.E.Norris, 1986{{cite journal|author=Norris, R.E. |date=1986|title= Studies on Crouania franciscii (Ceramiaceae, Rhodophyta) from South Africa and C. willae sp. nov. from New Zealand|journal= Phycologia|volume= 25|issue=2|pages= 133–143, 18 figs|doi=10.2216/i0031-8884-25-2-133.1 }}

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Crouania willae is a marine red algal species endemic to New Zealand. It was first described in 1986 by Richard Earl Norris.{{cite book|author=Guiry, W. |editor1=Guiry, M.D. |editor2=Guiry, G.M. |title=AlgaeBase. World-wide electronic publication, National University of Ireland, Galway|date=2020|chapter=Crouania willae R.E.Norris 1986|access-date=20 July 2020|chapter-url=http://www.algaebase.org/search/species/detail/?species_id=12013}}