Dahlgren, Rolf
1932
The families of the monocotyledons
Revision of the genus Aspalathus
Angiospermernes taxonomi
Studies on Aspalathus
Studies on Aspalathus and some related genera in South Africa
Studies on Aspalathus; phytogeographical aspects
Studies on Wiborgia Thunb. and related species of Lebeckia Thunb. (Fabaceae)
The monocotyledons