stephanomeria การใช้
- Malheur wire-lettuce ( " Stephanomeria malheurensis " ) is also an endangered species in the region.
- It is thought to have evolved outside the usual model of allopatric speciation, from its parental species " Stephanomeria exigua ".
- "Stephanomeria exigua " is native to the arid regions of Arizona, California, Colorado, Idaho, New Mexico, Nevada, Oregon, Texas and Wyoming, as well as New York.
- "Stephanomeria exigua ", the small wirelettuce, grows in the same area, and it is thought that the Malheur wirelettuce evolved from it . " S . malheurensis " is an annual and is susceptible to invasive species of plants, especially cheatgrass.