Taxonomic Resources
- http://plants.usda.gov (accessed 8/25/2014)-HIPPOC2 #HIPPOC2
- USDA, NRCS. 2014. The PLANTS Database (http://plants.usda.gov). National Plant Data Team, Greensboro, NC 27401-4901 USA, accessed Aug 25, 2014.
- http://plants.usda.gov (accessed 8/25/2014)-HIPPOC2SPP #HIPPOC2SPP
- USDA, NRCS. 2014. The PLANTS Database (http://plants.usda.gov). National Plant Data Team, Greensboro, NC 27401-4901 USA, accessed Aug 25, 2014.