. 2015.
Carbon and nitrogen gain during the growth of orchid seedlings in nature. New Phytologist 202: 606–615.
. 2014. Biological Flora of the British Isles: Pseudorchis albida (L.) A. & D. Love. Journal of Ecology 99: 1282–1298.
. 2011. Biological Flora of the British Isles: Neottia ovata. Journal of Ecology 103: 1354-1366.
. 2015. Biological flora of Central Europe: Dactylorhiza sambucina (L.) Soo. PERSPECTIVES IN PLANT ECOLOGY EVOLUTION AND SYSTEMATICS 17: 318-329.
. 2015. . 2013.
Absence of pollinator-mediated premating barriers in mixed-ploidy populations of Gymnadenia conopsea s.l. (Orchidaceae). Evolutionary Ecology 24: 1199–1218.
. 2010.