Eriogonum parvifolium is a species in the family Polygonaceae that occurs on dune formations in the coastal area of Central and Southern California.

E. parvifolium occurs both on bluffs along the Pacific Ocean coast as well as Coastal Strand dunes formations, but is restricted to altitudes below 700 meters.

In at least one instance within the Carbonera Creek watershed, it occurs farther inland in a Maritime Coast Range Ponderosa Pine forest.

[3] Alternatively leaves may be folded under, with the result of appearing more or less triangular; moreover they are smooth on the upper surfaces and woolly below.

Because of the host relationship to number of insect species, E. parvifolium has been the subject of numerous restoration programs including a significant and well researched program at Los Angeles International Airport, one of only three extant colonies of the endangered El Segundo blue.