Oeosporangium pteridioides

Oeosporangium pteridioides
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Division:	Polypodiophyta
Class:	Polypodiopsida
Order:	Polypodiales
Family:	Pteridaceae
Genus:	Oeosporangium
Species:	O. pteridioides
Binomial name
Oeosporangium pteridioides (Reichard) Fraser-Jenk. & Pariyar

Oeosporangium pteridioides (with many synonyms, including Hemionitis pteridioides)^[1] is a species of fern in the family Pteridaceae.^[2] Its native distribution is Macaronesia, around the Mediterranean in Europe, North Africa and Western Asia, and into the Sahara.^[1]

Subspecies

As of January 2020^[update], the Checklist of Ferns and Lycophytes of the World recognized three subspecies:^[2]

• Oeosporangium pteridioides subsp. pteridioides
• Oeosporangium pteridioides subsp. reichsteinii Fraser-Jenk. & Pariyar
• Oeosporangium pteridioides subsp. acrosticum (Balb.) Fraser-Jenk. & Pariyar, sometimes treated as a separate species (Oeosporangium acrosticum or Hemionitis acrostica)^[3]

References

1. "Hemionitis pteridioides (Reichard) Christenh.", Plants of the World Online, Royal Botanic Gardens, Kew, retrieved 2020-01-03
2. Hassler, Michael & Schmitt, Bernd (November 2019), "Oeosporangium pteridioides", Checklist of Ferns and Lycophytes of the World, 8.11, retrieved 2019-12-31
3. Mosyakin, Sergei L. (24 October 2018). "On Hemionitis atreyu, an invalid and unnecessary name, and on the correct name for that species if placed in Hemionitis (Pteridaceae subfam. Cheilanthoideae)". Phytotaxa. 373 (2): 164. doi:10.11646/phytotaxa.373.2.7. ISSN 1179-3163. S2CID 91588531.