White Melilot, White Sweetclover, White Sweet-clover: Melilotus alba (Synonyms: Melilotus alba, Melilotus albus var. annuus, Melilotus officinalis var. alba) -
Common Yellow Sweetclover, Yellow Sweet-clover: Melilotus officinalis (Synonyms: Melilotus leucanthus, Melilotus lutea, Melilotus officinalis var. micranthus, Trifolium officinalis) -