Specifically it is a host plant to ten different Lepidoptera species, including the El Segundo blue butterfly and Smith's blue butterfly; moreover, in the case of the El Segundo blue, it is the only host plant used by that species in all of its life stages.
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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.
Eriogonum | Eriogonum flavum | Eriogonum vimineum | Eriogonum giganteum |