Brunet J, Falkengren-Grerup U, Tyler G. Herb layer vegetation of south Swedish beech and oak forests - effects of management and soil acidity during one decade. Forest Ecology and Management. 1996  ;88:259-272.

Tyler G. Bryophytes and heavy metals: a literature review. Botanical Journal of the Linnean Society . 1990  ;104:231-253.

Tyler G. Interacting effects of soil acidity and canopy cover on the species composition of field layer vegetation in oak/hornbeam forests. Forest Ecology and Management . 1989  ;28:101-114.

Tyler G. Probable effects of soil acidification and nitrogen deposition on the floristic composition of oak (Quercus robur) forest. Flora. 1987  ;179:165-170.