British hybrid ferns

23 inter-specific hybrid ferns have been recorded in Britain. Most are recognisable by being intermediate between the parents in appearance but sterile with abortive spores.

Asplenium ×alternifolium WulfenA. septentrionale × A. trichomanes subsp. trichomanes
Asplenium ×clermontiae SymeA. ruta-muraria × A. trichomanes subsp. quadrivalens
Asplenium ×confluens (T.Moore ex Lowe) LawalréeA. scolopendrium × A. trichomanes subsp. quadrivalens
Asplenium ×contrei Callé, Lovis & Reichst.A. adiantum-nigrum × A. septentrionale
Asplenium ×jacksonii (Alston) LawalréeA. adiantum-nigrum × A. scolopendrium
Asplenium ×microdon (T. Moore) Lovis & VidaA. obovatum subsp. lanceolatum × A. scolopendrium
Asplenium ×murbeckii Dörfl.A. ruta-muraria × A. septentrionale
Asplenium ×sarniense SleepA. adiantum-nigrum × A. obovatum subsp. lanceolatum
Asplenium ×ticinense D.E.MeyerA. adiantum-nigrum × A. onopteris
Dryopteris ×ambroseae Fraser-Jenkins and JermyD. dilatata × D. expansa
Dryopteris ×brathaica Fraser-Jenkins & Reichst.D. carthusiana × D. filix-mas
Dryopteris ×complexa Rothm.D. affinis × D. filix-mas
Dryopteris ×deweveri (J.Jansen) J.Jansen & WachterD. carthusiana × D. dilatata
Dryopteris ×mantoniae Fraser-Jenkins & CorleyD. filix-mas × D. oreades
Dryopteris ×pseudoabbreviata JermyD. aemula × D. oreades
Dryopteris ×sarvelae Fraser-Jenkins & JermyD. carthusiana × D. expansa
Dryopteris ×uliginosa A. Braun ex Döll) O. Kuntze ex DruceD. carthusiana × D. cristata
Polypodium ×font-queri Rothm.P. cambricum × P. vulgare
Polypodium ×mantoniae Rothm.P. interjectum × P. vulgare
Polypodium ×shivasiae Rothm.P. cambricum × P. interjectum
Polystichum ×bicknellii (Christ) HahneP. aculeatum × P. setiferum
Polystichum ×illyricum (Borbas) HahneP. aculeatum × P. lonchitis
Polystichum ×lonchitiforme (Halacsy) BerchererP. lonchitis × P. setiferum
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