1. Natural Selection in Action in Eucalyptus
2. The leaf size of Veronica officinalis in relation to genetic and environmental factors;Böcher T. W.;Dansk Bot. Arkiv,1944
3. Cytogenetic and biological studies in Geranium robertianum L;Böcher T. W.;Dan. Biol. Medd.,1947
4. RACIAL DIVERGENCES IN PRUNELLA VULGARIS IN RELATION TO HABITAT AND CLIMATE
5. Experimental and cytological studies on plant species. VII. Geranium sanguineum;Böcher T. W.;Dan. Biol. Skr.,1962