National Plant Data Center, NRCS, USDA. Baton Rouge, LA 70874-4490 USA. http://plants.usda.gov
Reference for:
Bixaceae
Source:
The PLANTS Database
Acquired:
2000-01-21
Notes:
National Plant Data Center, NRCS, USDA. Baton Rouge, LA 70874-4490 USA. http://plants.usda.gov
Reference for:
Bixaceae
Source:
Bixaceae of North America Update
Acquired:
2010-01-01
Notes:
Updated by the Flora of North America Expertise Network, in connection with an update for USDA PLANTS (2007-2010)
Reference for:
Bixaceae
Source:
Angiosperm Phylogeny Website, 2017
Acquired:
2017-09-07
Notes:
Stevens, P. F. (2001 onwards). Angiosperm Phylogeny Website. Version 14, July 2017 [and more or less continuously updated since]. Available at http://www.mobot.org/MOBOT/research/APweb/