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p w leenhouts
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Cilt sonuçları
A guide to the practice of herbarium taxonomy
P. W. Leenhouts · International Bureau for Plant Taxonomy and Nomenclature
60 sayfa · 1968
Classification / Herbaria / Plants
Systematisch-morphologische Studien an Terebinthales-Familien
Focko Weberling, P. W. Leenhouts · Steiner in Kommission.
90 sayfa · 1966
Stipules (Botany) / Burseraceae / Simaroubaceae / Meliaceae / Anacardiaceae
Preliminary revision of the Malaysian species of the genus Kopsia (Apocynacene)
Ellen H. L. Timmerman, P. W. Leenhouts, C. G. G. J. van Steenis · Flora Malesiana Foundation
66 sayfa · 1959
Apocynaceae