Merit Researcher, Botany Department, Natural History Museum, London
Reference for:
Solanum ptychanthum
Source(s):
Source:
The PLANTS Database
Acquired:
1996-07-26
Notes:
National Plant Data Center, NRCS, USDA. Baton Rouge, LA 70874-4490 USA. http://plants.usda.gov
Reference for:
Solanum ptychanthum
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:
Solanum ptychanthum
Source:
Solanaceae of North America Update
Acquired:
2011-02-14
Notes:
Updated for ITIS by the Flora of North America Expertise Network, in connection with an update for USDA PLANTS (2007-2010)
Reference for:
Solanum ptychanthum
Source:
IPNI, 2007 - 2011
Acquired:
2011-01-01
Notes:
The International Plant Names Index, botanical information system from the Royal Botanic Gardens, Kew, the Harvard University Herbaria, and the Australian National Herbarium, available at http://www.ipni.org/index.html