| Name in subsequent code of nomenclature | : | IV (Subsection) | |
Ref: J.T. Staley et al. (eds.), 1989: 1780 ("Subsection IV. Order Nostocales"). [new] |
| Name in subsequent code of nomenclature | : | Nostocales (Order) Cavalier-Smith 2002 nom. rej. | |
|
| Name in former code of nomenclature | : | Nostocales (Order) Cavalier-Smith 2002 nom. rej. | |
Ref: J. Komárek & T. Hauer, 2004-present: 29 Sep 2007. [inferred] |