It is endemic to Mendocino County, California, where it is known from only about 20 occurrences in the vicinity of Willits.

[2] It is a plant of wet, grassy habitat such as vernal pools and marshy spring meadows.

This is an annual herb producing a spreading stem up to about 40 centimeters long.

The leaves are made up of several oval-shaped leaflets each about a centimeter long.

The bell-shaped flower has veiny white or pale yellow petals with white tips.