Publication
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Origins and nature of vessels in Monocotyledons. 3. Lowiaceae, with comments on Rhizome anatomy Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 43(1), 219-224.January 1998
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Learned news Article
Flora Malesiana Bulletin, 12(3), 118-119.January 1998
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Review Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 43(1), 214-214.January 1998
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Taxonomy, Phylogeny, and Wood anatomy of Alstonia (Apocynaceae) Article
Blumea. Supplement, 11(1), 1-230.January 1998
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Lecananthus and Leucocodon, two genera to be added to the tribe Schradereae (Rubiaceae) Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 43(2), 265-286.January 1998
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Topographical mineralogy of the Bamble sector, south Norway Article
Scripta Geologica, 1-46.January 1998
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Review Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 43(1), 128-128.January 1998
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Progress in Malesian botany Article
Flora Malesiana Bulletin, 12(4), 135-136.January 1998