Bruno D'Amicis / Common mulleins (Verbascum thapsus), Poppies (Papaver rhoeas), and Daisies flowering in mountain pasture. Gran Sasso National Park, Central Apennines, Abruzzo, Italy, June.

Wild Wonders of Europe / Bartocha / Great mullein (Verbascum thapsus) at night with startrails, Monti Sibillini National Park, Umbria, Italy, May 2009. WWE INDOOR EXHIBITION

Bruno D'Amicis / Common mulleins (Verbascum thapsus), Poppies (Papaver rhoeas), and Daisies flowering in mountain pasture. Gran Sasso National Park, Central Apennines, Abruzzo, Italy, June.

Bruno D'Amicis / Common mulleins (Verbascum thapsus), Poppies (Papaver rhoeas), and Daisies flowering in mountain pasture. Gran Sasso National Park, Central Apennines, Abruzzo, Italy, June.

Philippe Clement / Great mullein / common mullein (Verbascum thapsus) in flower, Belgium, August

Robin Chittenden / Roseroot (Rhodiola rosea) viewed from directly above, Iceland June

Niall Benvie / Roseroot (Rhodiola rosea) growing on cliffs, Lunga, Scotland, UK, May.

Philippe Clement / Golden root (Rhodiola rosea) in flower, Gran Paradiso National Park, Italy, June

Alex Hyde / Rose-root (Rhodiola rosea) growing on sea cliff, Isle of Lunga, Treshnish Isles, Scotland, June.

Alex Hyde / Rose-root (Rhodiola rosea) growing on sea cliff, Isle of Lunga, Treshnish Isles, Scotland, June.

Chris Mattison / Great mullein (Verbascum thapsus) growing alongside railway line, Cambridgeshire, England, UK, August.

Chris Mattison / Roseroot (Rhodiola rosea) growing from cliff, Isle of Lunga, Treshnish Isles, Scotland, June.