| tussilago | (n) genus of low creeping yellow-flowered perennial herbs of north temperate regions: coltsfoots; in some classifications includes species often placed in other genera especially Homogyne and Petasites, Syn. genus Tussilago |
| alpine coltsfoot | (n) rhizomatous herb with purple-red flowers suitable for groundcover; sometimes placed in genus Tussilago, Syn. Homogyne alpina, Tussilago alpina |
| coltsfoot | (n) perennial herb with large rounded leaves resembling a colt's foot and yellow flowers appearing before the leaves do; native to Europe but now nearly cosmopolitan; used medicinally especially formerly, Syn. Tussilago farfara |