Manual of aquatic plants
Fassett, Norman C
Manual of aquatic plants - Canada: The University of Wisconsin Press, 1957 - ix, 405p.
Botany
Aquatic plants
582.5/.9 / J7
Manual of aquatic plants - Canada: The University of Wisconsin Press, 1957 - ix, 405p.
Botany
Aquatic plants
582.5/.9 / J7