Acanthostichus serratulus niger

This taxon is not in use as it is currently considered to be a junior synonym of Acanthostichus quadratus.

Nomenclature

 * niger. Acanthostichus serratulus var. niger Santschi, 1933e: 105 (q.) ARGENTINA. Junior synonym of serratulus: Kusnezov, 1962a: 132. Revived from synonymy and raised to species: Brown, 1975: 42. Junior synonym of quadratus: Mackay, 1996: 162.