Plant classification /
Benson, Lyman David, 1909-
Plant classification / principal plant dissections and ill. by Jerome D. Laudermilk. Lyman Benson ; - 2nd ed. - Lexington, Mass. : Heath, [c1979]. - xxiii, 901 p. : ill.
Botany--Classification.
Plant classification / principal plant dissections and ill. by Jerome D. Laudermilk. Lyman Benson ; - 2nd ed. - Lexington, Mass. : Heath, [c1979]. - xxiii, 901 p. : ill.
Botany--Classification.