[1] Every spring in late April, Great Smoky Mountains National Park is the site of the week-long annual spring wildflower pilgrimage [2] to celebrate this diversity.
This article lists some of the Wildflowers of the Great Smoky Mountains National Park, current threats and resources for further information.
Removal of specimens such as trilliums and orchids for private gardens is also threatening these populations.
[4] Introduced forest pests, such as the hemlock woolly adelgid and emerald ash borer are a major threat to the flora of the national parks, targeting over-story species such as the eastern hemlock and ash trees.
[8] Within the Great Smoky Mountains, air pollution is a well documented threat to both the foliage of the park and its visitors, contributing to stream acidification, ozone symptoms on plants, and high haze levels.