A Arabidopsis arenicola inflorescence (left) and habit (right), Saarela et al. 2429 B Draba arctica inflorescence (left) and habit (right), Saarela et al. 2509 C Draba glabella inflorescence (left) and habit (right), Saarela et al. 2508 D Draba lactea inflorescence (left) and habit (right), Saarela et al. 2510 E Draba nivalis habit, Saarela et al. 2542 F Koenigia islandica inflorescence (left) and habit (right), Saarela et al. 2359 G Viscaria alpina inflorescences, Saarela et al. 2241 H Viscaria alpina habit, Saarela et al. 2241. Photos by A, F–H by R.D. Bull, B–D by L.J. Gillespie and E by P.C. Sokoloff.