Publication
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Flowers free from the environment? Article
Blumea. Supplement, 4(1), 32-38.January 1958
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Are Epipremnum Schott, Rhaphidophora Hassk. and Monstera Adans. congeneric? Article
Blumea. Supplement, 4(1), 91-92.January 1958
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Sphacelaria britannica Sauv. nouveau pour la côte française et quelques algues marines nouvelles ou rares pour la région de Roscoff Article
Blumea. Supplement, 4(1), 188-195.January 1958
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A Lithothamnion bank at Bonaire (Netherlands Antilles) Article
Blumea. Supplement, 4(1), 206-219.January 1958
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Two new Malaysian Lichens Article
Blumea. Supplement, 4(1), 107-112.January 1958
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Condition and cause in ecological interpretation Article
Blumea. Supplement, 4(1), 93-95.January 1958
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The possible origin of Cucumis anguria L Article
Blumea. Supplement, 4(1), 196-205.January 1958
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Florae Malesianae Precursores XIX. Notes on Malaysian and some S.E. Asian Cyperaceae VI Article
Blumea. Supplement, 4(1), 163-169.January 1958