Plant classification/
Benson, Lyman David, 1909-
Plant classification/ Lyman Benson principal plant dissections and illustrations by Jerome D. Laudermilk. - 2nd ed. - Lexington, Mass.: Heath, 1979. - xxiii, 901 p.: ill.; 24 cm.
Includes bibliographies and index.
0669014893
Botany--Classification.
Plant classification/ Lyman Benson principal plant dissections and illustrations by Jerome D. Laudermilk. - 2nd ed. - Lexington, Mass.: Heath, 1979. - xxiii, 901 p.: ill.; 24 cm.
Includes bibliographies and index.
0669014893
Botany--Classification.