Blowout Penstemon ('Penstemon haydenii' S. Watson) Recovery Plan.

摘要

Blowout penstemon (Penstemon havdenii) was listed as an endangered species on September 1, 1987. Blowout penstemon is currently known to exist in six population centers located in four counties in Nebraska. The species has a documented population of approximately 7,000 individuals. Presently, it appears that populations located in the eastern part of the species range are declining, while those located in the western portion are either fluctuating widely or remaining stable.