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 Isaac, Japhet S. | 
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 (Source: Flora Malesiana ser. 1, 1: Cyclopaedia of collectors)  | 
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 A clerk in the Botanic Gardens, Singapore (-1918), who collected a little there under Ridley (cf. Burkill in Gard. Bull. Str. Settlem. 4, 1927, nos 4-5).  | 
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 Herb. Sing. [SING].  |