Oeosporangium × prototinaei

Taxonavigation

Taxonavigation: Polypodiales
Superregnum: Eukaryota Regnum: Plantae Divisio: Tracheophyta Divisio: Pteridophyta Classis: Polypodiopsida Ordo: Polypodiales

Oeosporangium × prototinaei (Rasbach, Reichst. & Schneller) Arana & Mor.-Saiz, Phytotaxa 433(3): 192 (2020).

Formula hybridae: Oeosporangium hispanicum (Mett.) Fraser-Jenk. & Pariyar × Oeosporangium pteridioides (Reichard) Fraser-Jenk. & Pariyar

Basionym
- Cheilanthes × prototinaei Rasbach, Reichst. & Schneller, Webbia 37(1): 45 (1983).
  - Typus: Spain, Prov. Jaen (near its northern border), S. side of the Desfiladero de Despenaperros, second ridge of rocks, W. above the road, fissures in mainly S. exposed quartzite rocks at 850 m alt., between the parents, but not far away also C. tinaei and the two triploid hybrids C. × iberica and C. × kochiana were present. 30.IV.1981, H. & K. Rasbach & T. Reichstein TR-5388 (Holotype (TR-5388-A): G; isotypes (TR-5388-B, -C, -D, -E, -F, -G): BM, COI, FI, MA). All specimens with checked cytology, pressed 30.VI.1982 after cultivation in Basel.
Homotypic
- Allosorus × prototinaei (Rasbach, Reichst. & Schneller) Rumsey, Fern Gaz. 19(7): 277 (2014).
- Hemionitis × prototinaei (Rasbach, Reichst. & Schneller) F.M.Vázquez, Folia Bot. Extremadur. 15: 149 (2021).
Heterotypic
- Cheilanthes × duriensis Mendonça & Vasc., Anais Inst. Vinho Porto 15(4): 47 (1956). [having priority over prototinaei]

Native distribution areas:
Continental: Europe Regional: Southwestern Europe Portugal, Spain. References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2^nd Edition

Arana, M.D. & Moreno-Saiz, J.C. 2020. New combinations and typification of Mediterranean Oeosporangium (Pteridaceae: Cheilanthoideae). Phytotaxa 433(3): 190–194. DOI: 10.11646/phytotaxa.433.3.2 Reference page.
Rasbach, H., Reichstein, T. & Schneller, J.J. 1983. Five further natural hybrids in the genus Cheilanthes Sw. (Sinopteridaceae, Pteridophyta). Webbia 37(1): 43–62. DOI: 10.1080/00837792.1983.10670263 Reference page.
Rumsey, F.J. 2014. Some name changes in the Pteridaceae of Macaronesia and Europe with validation of hybrid names in the genus Allosorus Bernh. Fern Gazette 19(7): 275–279. PDF Reference page.

Govaerts, R. et al. 2023. Oeosporangium × prototinaei in Kew Science Plants of the World Online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2023 Jun 20. Reference page.
Tropicos.org 2023. Oeosporangium × prototinaei. Missouri Botanical Garden. Published online. Accessed: 20 Jun 2023.
International Plant Names Index. 2023. Oeosporangium × prototinaei. Published online. Accessed: 20 Jun 2023.
Hassler, M. 2023. World Ferns. Checklist of Ferns and Lycophytes of the World. . Oeosporangium × prototinaei Accessed: 20 Jun 2023.