Oeosporangium

Oeosporangium is a genus of ferns in the subfamily Cheilanthoideae of the family Pteridaceae.^[2] The genus has not always been recognized. In the Pteridophyte Phylogeny Group classification of 2016 (PPG I) it was included in Allosorus^[2] (a genus since subsumed into Aleuritopteris). It was accepted by the Checklist of the Ferns and Lycophytes of the World as of January 2020^[update].^[1] As circumscribed there, the genus is native to the Old World.^[1]

Oeosporangium
Oeosporangium guanchicum
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Division:	Polypodiophyta
Class:	Polypodiopsida
Order:	Polypodiales
Family:	Pteridaceae
Subfamily:	Cheilanthoideae
Genus:	Oeosporangium Vis.[1]
Species
See text.

Species

As of January 2020^[update], the Checklist of Ferns and Lycophytes of the World recognized the following species:^[1]

• Oeosporangium belangeri (Bory) Fraser-Jenk.
• Oeosporangium chinense (Baker) Fraser-Jenk.
• Oeosporangium chusanum (Hook.) Fraser-Jenk.
• Oeosporangium contiguum (Baker) Fraser-Jenk.
• Oeosporangium coriaceum (Decne.) Fraser-Jenk. & Pariyar
• Oeosporangium delicatulum (Tagawa & K.Iwats.) Fraser-Jenk. & Pariyar
• Oeosporangium elegans (Poir.) Fraser-Jenk. & Pariyar
• Oeosporangium fragile (Hook.) Fraser-Jenk.
• Oeosporangium guanchicum (Bolle) Fraser-Jenk. & Pariyar
• Oeosporangium hancockii (Baker) Fraser-Jenk.
• Oeosporangium hispanicum (Mett.) Fraser-Jenk. & Pariyar
• Oeosporangium insigne (Ching) Fraser-Jenk.
• Oeosporangium kuhnii (Milde) Fraser-Jenk.
• Oeosporangium mairei (Brause) Fraser-Jenk.
• Oeosporangium nitidulum (Hook.) Fraser-Jenk.
• Oeosporangium pteridioides (Reichard) Fraser-Jenk. & Pariyar
• Oeosporangium patulum (Baker) Fraser-Jenk.
• Oeosporangium pauperculum (Christ) Fraser-Jenk. & Pariyar
• Oeosporangium persica (Bory) Vis.
• Oeosporangium pulchellum (Bory ex Willd.) Fraser-Jenk. & Pariyar
• Oeosporangium smithii (C.Chr.) Fraser-Jenk. & Pariyar
• Oeosporangium stramineum (Ching) Fraser-Jenk.
• Oeosporangium subvillosum (Hook.) Fraser-Jenk. & Pariyar
• Oeosporangium nudiusculum (R.Br.) comb. ined.
• Oeosporangium tenuifolium (Burm.f.) Fraser-Jenk. & Pariyar
• Oeosporangium thwaitesii (Mett. ex Kuhn) Fraser-Jenk.
• Oeosporangium tinaei (Tod.) Fraser-Jenk.
• Oeosporangium tirajanae (T.S.Velázquez) comb. ined.
• Oeosporangium trichophyllum (Baker) Fraser-Jenk.
• Oeosporangium velutinum (Tardieu & C.Chr.) Fraser-Jenk.
• Oeosporangium viride (Forsk.) Fraser-Jenk. & Pariyar
• Oeosporangium yunnanense (Ching) Fraser-Jenk. & Pariyar