Middleton, D. J.; Bertling, M.; McNeill, J.; Möller, M. (2021). (2809) Proposal to conserve the name Tetraphyllum Griff. ex C.B. Clarke (Gesneriaceae) against Tetraphyllum Hosius & Marck (published as fossil Magnoliophyta). Taxon. 70(2): 437-438.
Middleton, D. J.; Bertling, M.; McNeill, J.; Möller, M.
2021
(2809) Proposal to conserve the name Tetraphyllum Griff. ex C.B. Clarke (Gesneriaceae) against Tetraphyllum Hosius & Marck (published as fossil Magnoliophyta)