A narrow endemic of the Owl Creek Mountains and northern Wind River Basin in central Wyoming. Restricted to outcrops of the Wind River Formation. This edaphic endemic is intrinsically rare (it is very likely a neoendemic) and is currently known from 5 occurrences. It may be locally common within a restricted area.
Threats are generally low due to the rugged and inaccessible nature of the plant's habitat. Its small natural range makes the species vulnerable to extirpation from chance natural events (Fertig 2000).
Known from 3 extant populations, with approximately 38,000 individuals in an area of 1460 acres (Fertig 2000).
Exact habitat characterization.
Seed germination studies.
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