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SEDUM OF NORTH AMERICA NORTH OF THE MEXICAN PLATEAU,
, Ithaca/ London, Cornell University Press, 1975, Bound, green cloth, illustrated green dustjacket, 165 x 240mm., 743pp., rich b/w illustration.
By far the definitive work on the subject, covering not only native but introduced and cultivated species. Comprehensive work on the North American Species of Sedum , a genus of flowering plants with succulent stems and leaves. Book is in good condition.
