1. Aculeate Conservation Group 2016 Annual Report 2003 http://hymettus.org.uk/downloads/ACG_Report_2003.pdf
2. The Eucosma hohenwartiana group of species (Tortridae);Agassiz;Nota lepidopterologia,2004
3. Yellow dyes of historical importance: a multi-disciplinary study. II: chemical analysis of weld and saw-wort;Andary;Dyes in History and Archaeology,1996
4. The mechanisms and consequences of interspecific competition among plants;Aschehoug;Annual Review of Ecology, Evolution and Systematics,2016