USDA, NRCS, National Plant Data Center; Idaho NRCS State Office; and University of California, Department of Botany; partial funding from the USGS and the US National Biological Information Infrastructure
Author:
Matthew D. Hurteau, Formerly USDA NRCS National Plant Data Center, c/o, Environmental Horticulture Department, University of California, Davis, California
USDA, NRCS. [insert current year here]. The PLANTS Database (http://plants.usda.gov, [insert current date here]). National Plant Data Center, Baton Rouge, LA 70874-4490 USA.