LAWRENCE, George H.M.
Taxonomy of vascular plants / George H.M.Lawrence - New York Macmillan pub. 1951 - ix, 822 p.
Includes index.
587 / LAW
Taxonomy of vascular plants / George H.M.Lawrence - New York Macmillan pub. 1951 - ix, 822 p.
Includes index.
587 / LAW