(CNP Core Class), UGA Tifton Campus NESPAL Building Seminar Room. $105. This course surveys threats to biodiversity in Georgia and worldwide, examples of rare plant research, techniques for restoration and reintroduction, and ways individuals and organizations are making a difference in protecting the rare plants of Georgia. State Botanical Garden, 706-542-6156, www.botgarden.uga.edu, All classes require pre-registration unless otherwise noted.