National Plant Data Center, NRCS, USDA. Baton Rouge, LA 70874-4490 USA. http://plants.usda.gov
Reference for:
Vallisneria americana
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:
Vallisneria americana
Source:
Flora of the Hawaiian Islands, 2011
Acquired:
2011-01-01
Notes:
Wagner, W. L., D. R. Herbst, and D. H. Lorence. 2005-. Flora of the Hawaiian Islands website. http://botany.si.edu/pacificislandbiodiversity/hawaiianflora/index.htm
Reference for:
Vallisneria americana
Source:
Flora of the West Indies website, 2011
Acquired:
2011-01-01
Notes:
Acevedo-Rodríguez, P. & M.T. Strong. 2007. Catalogue of the seed plants of the West Indies Website. http://botany.si.edu/antilles/WestIndies/query.cfm
Reference for:
Vallisneria americana
Source:
Hydrocharitaceae 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)