Hartmann |
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(Source: Flora Malesiana ser. 1, 1: Cyclopaedia of collectors) |
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Collector of Piper nigrescens Blume on G. Tilu, Priangan Res., W. Java (cf. Koorders, Die Piperaceae von Java, in Verh. Kon. Akad. Wet. A’dam 14, 1909, no 4, p. 36). |