Cheese-plant, Cheeseweed, Common Mallow, Dwarf Mallow: Malva neglecta (Synonym: Malva rotundifolia) - Herbaceous annual or biennial. Calyx with small bracts at its base. Stamens freed from upper third of staminal tube singly or in pairs.
Alkali Mallow, Cheeseweed, Cheeseweed Mallow, Little Mallow, Small-whorl Mallow, Wrinkled Cheeseweed: Malva parviflora (Synonym: Malva borealis) -
Common Mallow, High Mallow: Malva sylvestris (Synonyms: Malva mauritiana, Malva sylvestris ssp. mauritiana, Malva sylvestris var. mauritiana) - Historical collection from a garden in Bingen, WA by Wilhelm Suksdorf (1903).