Two specimens of checker lily were made by Capt. Lewis, both presumably at the same location on the Columbia River. Lewis notes that "the root of this plant is a squamous bulb and is eaten by the natives".
An image of the specimen in the Lewis and Clark herbarium. . . .
Fritillaria affinis (PH-LC 93).
The copyright for this image is retained by the Academy of Natural Sciences of Philadelphia; this image is used with their permission.