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