Protection of soils by way of the ESA is, of course, limited to the species that rely on soils as a component of their critical habitat.(185) In Oregon, for example, the Malheur wire-lettuce (Stephanomeria malheurensis) was designated as an endangered plant species in 1982.(186) The plant is known only from one small population near Malheur National Wildlife Refuge in southeastern Oregon and is vulnerable to even minor habitat alteration.(187) In its 1982 listing decision, the U.S.
(186) Determination of Stephanomeria Malheurensis (Malheur Wire-Lettuce) To Be an Endangered Species, With Determination of its Critical Habitat, 47 Fed.