Polystichum drepanum, also known as Madeira shield-fern,[1] is a species of fern in the Dryopteridaceae family.

It is native to Madeira. Its natural habitat is subtropical moist lowland forests. It is threatened by habitat loss.[2][3]

Taxonomy

It was first described by Olof Swartz as Aspidium drepanum in 1801, and moved to the genus Polystichum by Carl Borivoj Presl in 1836.[4]

References

  1. ^ IUCN (2016-05-24). Polystichum drepanum: Christenhusz, M., Bento Elias, R., Dyer, R., Ivanenko, Y., Rouhan, G., Rumsey, F. & Väre, H.: The IUCN Red List of Threatened Species 2017: e.T162178A85427290 (Report). International Union for Conservation of Nature. doi:10.2305/iucn.uk.2017-2.rlts.t162178a85427290.en.
  2. ^ "Polystichum drepanum (Sw.) C.Presl | Plants of the World Online | Kew Science". Plants of the World Online. Retrieved 2021-11-20.
  3. ^ "Polystichum drepanum – The Ferns of Macaronesia". fernsofmacaronesia.org.uk. Retrieved 2021-11-20.
  4. ^ "Polystichum drepanum (Sw.) C.Presl". www.gbif.org. Retrieved 2021-11-20.