Swainsona plagiotropis
 Swainsona pterostylis (DC.) Bakh.f.
      Bakhuizen van den Brink, R.C. Jnr in Steenis, C.G.G.J. van & Bakhuizen van den Brink, R.C. Jnr (1967) Miscellaneous botanical notes XVI. Botanische Jahrbucher fur Systematik 86: 395
      
                        Nomenclatural Synonyms:
Astragalus pterostylis DC.
                            ;  
                            Candolle, A.P. de (Ed) (1825), Prodromus 2: 294
      
      
                          Taxonomic Synonyms:
Swainsona occidentalis F.Muell.
                              ;  
                              Mueller, F.J.H. von (1863), Fragmenta Phytographiae Australiae 3: 46
      
      Thompson, J. (1993) A revision of the genus Swainsona (Fabaceae). Telopea 5(3): 481
      
                        Nomenclatural Synonyms:
Astragalus pterostylis DC.
                            ;  
                            Candolle, A.P. de (Ed) (1825), Prodromus 2: 294
      
      
                          taxonomic Synonyms:
Swainsona occidentalis F.Muell.
                              ;  
                              Mueller, F.J.H. von (1863), Fragmenta Phytographiae Australiae 3: 46
Diplolobium walcottii F.Muell.  nom. illeg.
                              ;  
                              Mueller, F.J.H. von (1863) A Record of the Plants collected by Mr Pemberton Wallcott and Mr Maitland Brown, in the year 1861, during Mr F. Gregory's Exploring Expedition into North-West Australia. Edinburgh New Philosophical Journal n. ser 17(2): 223