The morphology of pteridophytes the structure of ferns and allied plants Sporne, K. R. (Kenneth Robert) 1915- creator text bibliography xxk London Hutchinson 1975 4th ed. monographic eng und
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191 p. : ill. ; 22 cm. K. R. Sporne. Includes index. Bibliography: p. [177]-185. Pteridophyta Morphology QK521 .S68 1975 587/.04/4 Hutchinson university library Biological sciences 9780091238612 9780091238605 76372723 761001 ocm02135908