database: Apiaceae and Araliaceae 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
website: Angiosperm Phylogeny Website, 2011; Angiosperm Phylogeny Website, botanical information system at the Missouri Botanical Garden, available at http://www.mobot.org/MOBOT/research/APweb/
McNeill, J., F. Barrie, H. Burdet, V. Demoulin, D. Hawksworth, K. Marhold, D. Nicolson, et al. 2006-01-01. Regnum Vegetabile, vol. 146. Koeltz Scientific Books. Königstein, Germany. xviii + 568. 3-906166-48-1. Also available on the web at http://ibot.sav.sk/icbn/main.htm.
David Nicolson - ITIS Data Development Coordinator: Use of Umbelliferae as an 'alternative' family name for Apiaceae is authorized by the ICBN, Articles 18.5-18.6 (McNeill et al., 2006:18-19), although ITIS opts to use Apiaceae instead
