Jerarquía taxonómica:
Fabaceae → Acmispon argophyllus var. ornithopus (Greene) Brouillet, 2020

Familia:
Fabaceae

Autor:
(Greene) Brouillet, 2020

Sinónimos:
Hosackia ornithopus Greene, 1885
Lotus ornithopus (Greene) Greene, 1890
Syrmatium ornithopus (Greene) Greene, 1886
Lotus argophyllus subsp. ornithopus (Greene) P.H. Raven, 1963
Lotus argophyllus var. ornithopus (Greene) Ottley, 1923