Publication
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The influence of Algae on the natural environment Article
Blumea. Supplement, 4(1), 87-90.January 1958
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Deux Mycena nouveaux Article
Blumea. Supplement, 4(1), 158-162.January 1958
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Notes on the basidium Article
Blumea. Supplement, 4(1), 96-105.January 1958
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The Phytogeography of Taraxacum, with special reference to Europe Article
Blumea. Supplement, 4(1), 60-67.January 1958
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H.J. Lam, 25 years Director of the Rijksherbarium Article
Blumea. Supplement, 4(1), 9-9.January 1958
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Notes on Agaricales — I Article
Blumea. Supplement, 4(1), 137-143.January 1958
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Argyreia lamii, a new species from the Malay Peninsula Article
Blumea. Supplement, 4(1), 239-241.January 1958
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Notes on Malaysian Malvaceae II. A new Thespesia species from New Guinea Article
Blumea. Supplement, 4(1), 154-157.January 1958