Radford, A. E., & Dickison, W. C. (1974). Vascular plant systematics. Harper & Row.
Tohutoru Kātū Chicago (17th ed.)Radford, Albert E., me William C. Dickison. Vascular Plant Systematics. New York: Harper & Row, 1974.
Tohutoro MLA (9th ed.)Radford, Albert E., me William C. Dickison. Vascular Plant Systematics. Harper & Row, 1974.
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