Plant classification.
Benson, Lyman David, 1909-
Plant classification. Principal plant dissections and illus. by Jerome D. Laudermilk. - Lexington, Mass., Heath [c1959] - xiv, 688 p. illus. 24 cm.
Plants--Classification.
Plant classification. Principal plant dissections and illus. by Jerome D. Laudermilk. - Lexington, Mass., Heath [c1959] - xiv, 688 p. illus. 24 cm.
Plants--Classification.