1. Population differentiation in Agrostis tenuis Sibth. 1. Morphological differentiation;Bradshaw;New Phytologist,1959
2. Population differentiation in Agrostis tenuis Sibth. 3. Populations in varied environments;Bradshaw;New Phytologist,1960
3. The taxonomic problems of local geographic variation in plant species;Bradshaw;Publs Syst. Ass. Lond.,1962
4. Experimental studies on the nature of species III. Environmental responses of climatic races of Achillea;Clausen;Carnegie Institute, Washington Publ. 581,1948
5. Effects of daylength on growth and reproduction of the conchocelis phase of Porphyra tenera;Dring;Journal of the Marine Biological Association of the United Kingdom,1967