Publication
-
On some old types of Coenagriinine Odonata described from the Philippine Islands, with notes on allied species Article
Zoologische Mededelingen, 35(13), 161-175.January 1957
-
Corrections Article
Flora Malesiana Bulletin, 13(1), 566-566.January 1957
-
Book notices Article
Flora Malesiana Bulletin, 13(1), 570-575.January 1957
-
Verwilderde en ingeburgerde sierplanten Article
Correspondentieblad ten dienste van de floristiek en het vegetatie-onderzoek van Nederland, 6(1), 68-70.January 1957
-
Comments on Greguss’s phylogenetical tree of plants Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 8(2), 528-531.January 1957
-
Revision of the Sapotaceae of the Malaysian area in a wider sense. IX. Pouteria Aublet Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 8(2), 452-509.January 1957
-
Reviews Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 8(2), 533-533.January 1957
-
Revision of the Sapotaceae of the Malaysian area in a wider sense. VI. Xantolis Rafinesque Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 8(2), 207-234.January 1957