)
| Author(s) | Year | Title | Publication | Page(s) | Illustration(s) | Comment(s) | Abstract |
|---|---|---|---|---|---|---|---|
| Newton, LE | 1978 | A new cycad subspecies from Nigeria. [Encephalartos barteri subsp. allochrous] |
Bot. J. Linn. Soc. 77(2): 125-129 |
125-129 | Protologue description |
