Hooker, Joseph Dalton. The flora of British India / by J. D. Hooker; assisted by various botanists. - Dehra Dun : Bishen Singh Mahendra Pal Singh, 2004. - 6, v. 792 p. ; 22 cm. VI. Orchideæ to Cyperaceæ. Orchideæ to Cyperaceæ. ISBN: 9788121103831 Subjects--Topical Terms: Botany --India. Dewey Class. No.: 581.954 HOO 'R'