The conservation status of Trillium in North America

The genus Trillium is made up of about 50 species worldwide with concentrations in eastern and western North American and eastern Asia. The diversity of Trillium in North America warrants special recognition because both the Pacific Northwest and the eastern half of the United States are centers of endemism for the genus. Identifying the conservation needs of the genus is a high priority given recent taxonomic changes within the family, the number of species with small ranges which could be conserved through relatively minor interventions, and the need for coordinating action between a variety of conservation organizations. Assessment of the conservation status of Trillium is considered here to be a first step in the development of comprehensive conservation action plans for under-conserved members of the genus.… (more)