Reference
Francis, 2004. In: Wildland Shrubs of the United States and its Territories: Thamnic Descriptions. General Technical Report IITF-WB-1. U.S. Department of Agriculture, Forest Service. International Institute of Tropical Forestry and Shrub Sciences Laborato
Francis, 2004. In: Wildland Shrubs of the United States and its Territories: Thamnic Descriptions. General Technical Report IITF-WB-1. U.S. Department of Agriculture, Forest Service. International Institute of Tropical Forestry and Shrub Sciences Laboratory