White Sweet Clover (Melilotus alba) Division - Magnoliaphyta Class - Magnoliopsida Subclass - Rosidae Order - Fabales Family - Fabaceae Genus - Melilotus Not a true clover (trifolium), but part of the same family. It grows taller than real clovers. White and yellow sweet clover are often seen growing together. Weeds Taxonomic List List by Scientific Name List by Common Name