Oeosporangium


Oeosporangium is a genus of ferns in the subfamily Cheilanthoideae of the family Pteridaceae. The genus has not always been recognized. In the Pteridophyte Phylogeny Group classification of 2016 it was included in Allosorus. It was accepted by the Checklist of the Ferns and Lycophytes of the World as of 2020. As circumscribed there, the genus is native to the Old World.

Species

, the Checklist of Ferns and Lycophytes of the World recognized the following species:
  • Oeosporangium belangeri Fraser-Jenk.
  • Oeosporangium chinense Fraser-Jenk.
  • Oeosporangium chusanum Fraser-Jenk.
  • Oeosporangium contiguum Fraser-Jenk.
  • Oeosporangium coriaceum Fraser-Jenk. & Pariyar
  • Oeosporangium delicatulum Fraser-Jenk. & Pariyar
  • Oeosporangium elegans Fraser-Jenk. & Pariyar
  • Oeosporangium fragile Fraser-Jenk.
  • Oeosporangium guanchicum Fraser-Jenk. & Pariyar
  • Oeosporangium hancockii Fraser-Jenk.
  • Oeosporangium hispanicum Fraser-Jenk. & Pariyar
  • Oeosporangium insigne Fraser-Jenk.
  • Oeosporangium kuhnii Fraser-Jenk.
  • Oeosporangium mairei Fraser-Jenk.
  • Oeosporangium nitidulum Fraser-Jenk.
  • Oeosporangium pteridioides Fraser-Jenk. & Pariyar
  • Oeosporangium patulum Fraser-Jenk.
  • Oeosporangium pauperculum Fraser-Jenk. & Pariyar
  • Oeosporangium persica Vis.
  • Oeosporangium pulchellum Fraser-Jenk. & Pariyar
  • Oeosporangium smithii Fraser-Jenk. & Pariyar
  • Oeosporangium stramineum Fraser-Jenk.
  • Oeosporangium subvillosum Fraser-Jenk. & Pariyar
  • Oeosporangium nudiusculum comb. ined.
  • Oeosporangium tenuifolium Fraser-Jenk. & Pariyar
  • Oeosporangium thwaitesii Fraser-Jenk.
  • Oeosporangium tinaei Fraser-Jenk.
  • Oeosporangium tirajanae comb. ined.
  • Oeosporangium trichophyllum Fraser-Jenk.
  • Oeosporangium velutinum Fraser-Jenk.
  • Oeosporangium viride Fraser-Jenk. & Pariyar
  • Oeosporangium yunnanense Fraser-Jenk. & Pariyar