Phanerogams -- Identification. : Thonner's analytical key to the families of flowering plants / [translated and revised by] R. Geesink ... [and others]
1981
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6
Phanerogams -- Reproduction -- Congresses. : Sexual reproduction in seed plants, ferns and mosses : proceedings of the 8th international symposium on sexual reproduction in seed plants, ferns and mosses, 20th-24th August 1984, Wageningen, the Netherlands / M. T. M. Willemse and J. L. van Went (compilers)