database: Asteraceae of North America Update; Update coordinated by the International Compositae Alliance (TICA) (http://www.compositae.org/) through the Smithsonian Institution in collaboration with the USDA National Plant Data Center
website: <a href="http://www.cbif.gc.ca/itisca/">ITIS*<sup>ca</sup></a>;
website: Angiosperm Phylogeny Website, 2012; Angiosperm Phylogeny Website, botanical information system at the Missouri Botanical Garden, available at http://www.mobot.org/MOBOT/research/APweb/
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
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 Compositae as an 'alternative' family name for Asteraceae is authorized by the ICBN, Articles 18.5-18.6 (McNeill et al., 2006:18-19), although ITIS opts to use Asteraceae instead
