Vasishta, P. C Botany : for degree students pteridophyta vascular cryptogams / P. C Vasishta ; A. K. Sinha and Anil Kumar - 5th ed. - New Delhi : S. Chand and Company Pvt. Ltd., 1993. - ix, 509 p. ; ill. : 24 cm. It includes bibliographical information and index. ISBN: 9788121927857 Subjects--Topical Terms: PteridophytaBotanyVascularCryptogams Dewey Class. No.: 587.0968 / VAS