× Glaphyrocyclosorus erubesquirolicus (W.C.Shieh & J.L.Tsai 1987: 7) X.Wan & Li Bing Zhang, comb. nov.

Basionym: Thelypteris × erubesquirolica W.C.Shieh & J.L.Tsai (1987: 7) ≡ Cyclosorus × erubesquirolicus (W.C.Shieh & J.L.Tsai) J. Mazumdar (2013: 398) ≡ “ × Glaphypseudosorus erubesquirolicus (W.C.Shieh & J.L.Tsai) Hong M.Liu, Schuettp. & H.Schneid. ” (2020: 1000), nom. inval.

Type:— Taiwan Island: Nantou Hsien, Wanghsiang, 17 December 1984, J.-L.Tsai T10379a-d (TCF) .

Notes: This nothospecies is a hybrid between Glaphyropteridopsis erubescens (Wallich ex Hooker 1863: 236) Ching (1963: 320) and Pseudocyclosorus esquirolii (Christ 1907: 144–145) Ching (1963: 324) . This hybrid is an allotetraploid with 72 bivalent chromosomes, which has intermediate morphology of the parents (Shieh & Tsai 1987).

Distribution: Taiwan Island.