Lasthenia ferrisiae is a species of flowering plant in the family Asteraceae known by the common name Ferris' goldfields.
It is endemic to the California Central Valley, where it grows in vernal pools and alkali flats.
Lasthenia ferrisiae is an annual herb approaching a maximum height of 40 centimeters.
The stem may be branched or not and it bears hairless, linear leaves that are up to 8 centimeters long.
The fruit is a flat, oval-shaped achene up to about 2 millimeters long.