Responses of the mosses Sphagnum capillifolium and Polytrichum strictum to nitrogen deposition in a bog: growth, ground cover, and CO2 exchange. - Juutinen, Sari; Moore, Tim R.; Laine, Anna M.; Bubier, Jill L.; Tuittila, Eeva-Stiina; De Young, Allison; Chong, Mandy (Botany, 2016)