Ecology and Environment

Hill, M.O., Bacon, J., Beckmann, B., Bishop, J.D.D., Marchant, J.H., Musgrove, A.J., Rathod, B., Roy, H.E. & Sewell, J. (2010) GB Non-Native Species Information Portal: Interim Report for the Period February 2009 to March 2010. Defra.

Comont, R.F., McCracken, M.E., Hesketh, H., Hails, R.S. & Roy, H.E. (2009) Bivoltine Blues: A second generation in the British Chalkhill Blue Polyommatus coridon (Lepidoptera: Lycaenidae). British Journal of Entomology and Natural History, 22.

Braithwaite, M.E., Ellis, R.W. & Preston, C.D. (2006) Change in the British Flora 1987-2004. Botanical Society of the British Isles, London.

Bosanquet, S.D., Coote, L., Kelly, D.L., Long, D.G. & Preston, C.D. (2010) Daltonia splachnoides in Irish conifer plantations - another epiphyte on the move. Field Bryology, 100, 16–21.

Roy, H.E. (2010) Encounters with aliens Invasive species - they’re here!. Catalyst, 20, 20–22.