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Bull. Dép. Agric. Indes Néerl., vol. 18 (New or interesting Malayan ferns): p. 0, t. 0 (1908) [1]
 
Harvard University Botany Libraries, Cambridge, U.S.A.
Bull. Dép. Agric. Indes Néerl., vol. 18 (New or interesting Malayan ferns): p. 0, t. 0 (1908)