National Plant Data Center, NRCS, USDA. Baton Rouge, LA 70874-4490 USA. http://plants.usda.gov
Reference for:
Euphorbia X pseudoesula
Source:
Kew family checklist, 2011
Acquired:
2011-01-01
Notes:
Kew World Checklist of Selected Plant Families, botanical information system at the Royal Botanic Gardens, Kew, available at http://apps.kew.org/wcsp/home.do
Reference for:
Euphorbia X pseudoesula
Source:
Tropicos, 2007 - 2011
Acquired:
2011-01-01
Notes:
Tropicos, botanical information system at the Missouri Botanical Garden, available at http://www.tropicos.org/
Reference for:
Euphorbia X pseudoesula
Source:
Malpighiales of North America Update
Acquired:
2011-08-26
Notes:
Updated for ITIS by the Flora of North America Expertise Network, in connection with an update for USDA PLANTS (2007-2010)
Reference for:
Euphorbia X pseudoesula
Source:
Euphorbia Planetary Biodiversity Inventory database
Acquired:
2016-11-01
Notes:
Riina, R. and Berry, P.E. (coordinators). 2016. Euphorbia Planetary Biodiversity Inventory database. Available from Tolkin (http://app.tolkin.org/projects/72/taxa)