http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Aquatic and wetland plants of Northeastern North America
a revised and enlarged edition of Norman C. Fassett's. A manual of aquatic plants
Vol. 1. Pteridophytes, gymnosperms, and angiosperms : Dicotyledons -- v.2. Angiosperms : Monocotyledons
Garrett E. Crow and C. Barre Hellquist, Norman C. Fassett.
Περιλαμβάνει βιβλιογραφικές παραπομπές (σ. 443-452) και ευρετήριο.