Least Tarweed, Smallhead Tarweed, Small-head Tarweed: Hemizonella minima (Synonyms: Hemizonia minima, Madia minima) -
Lemon-scented Tarweed, Lemon-scented Madia, Lemon Tarweed, Lemon scented Tarplant: Madia citriodora -
Autumn Showy Tarweed, Common Madia, Showy Tarweed: Madia elegans (Synonyms: Madia elegans ssp. densiflora, Madia elegans ssp. elegans, Madia elegans ssp. vernalis, Madia elegans var. densifolia, Madia elegans var. elegans) -
Little Tarweed, Little Tarplant, Small Tarweed, Threadstem Madia: Madia exigua -
Mountain Tarweed, Cluster Tarweed, Clustered Tarweed, Stinking Tarweed, Mountain Tarplant: Madia glomerata -
Common Tarweed, Grassy Tarplant, Grassy Tarweed, Gumweed, Gum-weed, Slender Tarweed: Madia gracilis (Synonyms: Madia gracilis ssp. gracilis, Madia dissitiflora) -
Coast Tarweed, Chilean Tarplant: Madia sativa (Synonyms: Madia capitata, Madia sativa ssp. capitata, Madia sativa ssp. sativa, Madia sativa var. congesta, Madia sativa var. sativa) -