database: Ranunculaceae 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)
CD-ROM: Checklist of CITES species; UNEP-WCMC (Comps.) 2008. Checklist of CITES species (CD-ROM). CITES Secretariat, Geneva, Switzerland, and UNEP-WCMC, Cambridge, United Kingdom. ISBN 2-88323-029-3. Available online at http://www.unep-wcmc.org/species/sca/cd_checklist-info/ or from CITES Secretariat, Chemin des Anémones, 1219 Châtelaine, Genève, Switzerland
database: NODC Taxonomic Code;
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
David F. Mitchell, ITIS Data Development Specialist: CITES: Appendix II adopted at the 14th meeting of the Conference of the Parties (The Hague, 2007)