A Eriophorum vaginatum subsp. spissum inflorescence (left) and habit (right), Saarela et al. 1924 B Agrostis mertensii inflorescences, Saarela et al. 2571 C Calamagrostis canadensis subsp. langsdorffii habit, Saarela et al. 1938 D Calamagrostis canadensis subsp. langsdorffii habitat, Saarela et al. 1938 E Calamagrostis canadensis subsp. langsdorffii habitat under willows (Salix planifolia), 13 June 2012 F Calamagrostis neglecta subsp. groenlandica habit (with Poa), Saarela et al. 2576 G Festuca rubra subsp. rubra inflorescence (left) and habit (right), Saarela et al. 2771 H Festuca rubra subsp. rubra habitat, Saarela et al. 2771. Photos A–C, G, H by J.M. Saarela, D by P.C. Sokoloff, E by L.J. Gillespie and F by R.D. Bull.