Erythronium grandiflorum

Erythronium grandiflorum is a North American species of plants in the lily family. It is known by several common names, including yellow avalanche lily, glacier lily, and dogtooth fawn lily.

It is native to western North America from British Columbia and Alberta south to New Mexico and California, though it has not been reported from Arizona or Nevada. It can be found in subalpine mountain meadows, slopes, and clearings.