Theo Bosboom / Cushion pink (Silene acaulis) in highlands, A?xarfjardarheidi, Iceland, June

Philippe Clement / Moss campion (Silene acaulis) in flower, Keen of Hamar, Unst, Shetland Islands, Scotland, UK, May

Bruno D'Amicis / Cushion of Moss campion (Silene acaulis) on Majella's altitude plateau, with Mount Amaro (2793m) in the distance, Majella's highest peak. Abruzzo, Central Apennines, Italy, July.

Alex Hyde / Moss campion (Silene acaulis) Nordtirol, Austrian Alps, July.

Robin Chittenden / Moss campion (Silene acaulis) Iceland June

Alex Hyde / Moss Campion (Silene acaulis) photographed with a fisheye lens to show mountain environment. Nordtirol, Austrian Alps, June.

Bryan and Cherry Alexander / Moss Campion (Silene acaulis) growing on a rocky ledge in Adventdalen,Svalbard, Norway, summer.

Pal Hermansen / Moss campion (Silene acaulis) Svalbard, Norway, July.

Pal Hermansen / Moss campion (Silene acaulis) in flower, Svalbard, Norway, July.

Jouan & Rius / Pin-cushion hakea (Hakea laurina) flower, South Australia, Australia

Jouan & Rius / Pin-cushion hakea (Hakea laurina) flower, South Australia, Australia

Claudio Contreras / White-marked cushion wasp (Polybia plebeja) feeding on Mosquito flower (Lopezia racemosa). Milpa Alta forest, outskirts of Mexico City, Mexico. August.