New species and noteworthy records of Rhododendron in Malesia (Ericaceae)Hermann Otto Sleumer · First published 1973Open the Tome
The identity of Plectomirtha Oliv. with Pennantia J. R. & G. Forster (Icacinaceae)Hermann Otto Sleumer · First published 1970Open the Tome
Materials towards the knowledge of the Icacinaceae of Asia, Malesia, and adjacent areasHermann Otto Sleumer · First published 1969Open the Tome
The genus Lophopyxis Hook. f. (Lophopyxidaceae)Hermann Otto Sleumer · First published 1968Open the Tome
Kritische bemerkungen zu K.A. Reiter "Azalea mollis und Azalea mollis"Hermann Otto Sleumer · First published 1938Open the Tome
Ericaceae americanae novae vel minus cognitaeHermann Otto Sleumer · First published 1934Open the Tome
