database: Jepson online interchange, 2007 - 2011; The Jepson online interface, botanical information system from the University of California, Berkeley, available at http://ucjeps.berkeley.edu/interchange.html
database: Loasaceae of North America Update; Updated for ITIS by the Flora of North America Expertise Network, in connection with an update for USDA PLANTS (2007-2010)
database: The PLANTS Database; National Plant Data Center, NRCS, USDA. Baton Rouge, LA 70874-4490 USA. http://plants.usda.gov
database: The PLANTS Database; National Plant Data Center, NRCS, USDA. Baton Rouge, LA 70874-4490 USA. http://plants.usda.gov
