| machaeranthera | (n) wildflowers of western North America, Syn. genus Machaeranthera |
| mojave aster | (n) wild aster having greyish leafy stems and flower heads with narrow pale lavender or violet rays; of rocky desert slopes California to Arizona and Utah, Syn. Machaeranthera tortifoloia |
| sticky aster | (n) wild aster having leafy stems and flower heads with narrow bright reddish-lavender or purple rays; western Colorado to Arizona, Syn. Machaeranthera bigelovii |
| tahoka daisy | (n) wild aster with fernlike leaves and flower heads with very narrow bright purple rays; Alberta to Texas and Mexico, Syn. tansy leaf aster, Machaeranthera tanacetifolia |
| Machaeranthera | n. A genus of wildflowers of Western North America. |
| machaeranthera | (n) wildflowers of western North America, Syn. genus Machaeranthera |
| mojave aster | (n) wild aster having greyish leafy stems and flower heads with narrow pale lavender or violet rays; of rocky desert slopes California to Arizona and Utah, Syn. Machaeranthera tortifoloia |
| sticky aster | (n) wild aster having leafy stems and flower heads with narrow bright reddish-lavender or purple rays; western Colorado to Arizona, Syn. Machaeranthera bigelovii |
| tahoka daisy | (n) wild aster with fernlike leaves and flower heads with very narrow bright purple rays; Alberta to Texas and Mexico, Syn. tansy leaf aster, Machaeranthera tanacetifolia |
| Machaeranthera | n. A genus of wildflowers of Western North America. |