Jerarquía taxonómica:
Fabaceae → Senna hayesiana (Britton & Rose) H.S. Irwin & Barneby, 1982

Familia:
Fabaceae

Autor:
(Britton & Rose) H.S. Irwin & Barneby, 1982

Sinónimos:
Cassia brittoniana Lundell, 1937
Chamaefistula chiapensis Britton & Rose, 1930
Cassia hayesiana (Britton & Rose) Standl., 1933
Chamaefistula hayesiana Britton & Rose, 1930
Cassia inaequilatera Ram. Goyena, 1909
Chamaefistula lanata Britton & Rose, 1930
Chamaefistula membranacea Britton & Rose, 1930
Cassia standleyi (Britton & Rose) Standl., 1937
Chamaefistula standleyi Britton & Rose, 1930
Chamaefistula subpilosa Britton & Rose, 1930
Chamaefistula valerioi Britton & Rose, 1930