International directory of specialists in plant taxonomy;
International directory of specialists in plant taxonomy; with a census of their current interests /
Compiled by A.C. de Roon.
- Utrecht, Netherlands : International Bureau for Plant Taxonomy and Nomenclature., 1958.
- 266 p.
- Regnum vegetabile; a series of publications for the use of plant taxonomists and plant geographers, Vol. 13 .
- Regnum vegetabile Vol. 13 .
Includes bibliogr. references
Botany--Nomenclature
Includes bibliogr. references
Botany--Nomenclature