https://fernsofmacaronesia.org.uk/home/fern-list/sinopteridaceae/cosentinia-vellea-subsp-bivalens/
https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:17070460-1
Cosentinia vellea subsp. bivalens (Reichst.) Rivas Mart. & Salvo
First published in Anales Jard. Bot. Madrid 41: 196 (1984)
This subspecies is accepted
The native range of this subspecies is Macaronesia, S. Europe to W. Himalaya. It is a lithophyte and grows primarily in the subtropical biome.
https://identify.plantnet.org/de/weurope/species/Cosentinia%20vellea%20(Aiton)%20Tod./data
https://www.inaturalist.org/observations/106854586
https://www.inaturalist.org/observations/157617783