Euphrasia williamsii B.L. Robinson
Euphrasia williamsii B.L. Robinson is a synonym sensu FNA Ed. Comm., 2019 of:
Euphrasia oakesii var. williamsii (B.L. Robinson) Gussarova, an accepted variety name sensu FNA Ed. Comm., 2019.
Euphrasia williamsii B.L. Robinson is a synonym sensu FNA Ed. Comm., 2019 of:
Euphrasia oakesii var. williamsii (B.L. Robinson) Gussarova, an accepted variety name sensu FNA Ed. Comm., 2019.