J.E.Burrows 1993 - Burrows JE, Edwards TJ (1993) Nomenclatural changes and additions to the genus Ophioglossum in Africa (Ophioglossaceae: Pteridophyta). Bothalia 23: 185-190. doi: 10.4102/abc.v23i2.801.
There is no corrections for Ophioglossum caroticaule yet.