Robert Thompson / Scarlet elf cup fungus (Sarcoscypha coccinea) amongst Opposite-leaved golden-saxifrage (Chrysosplenium oppositifolium). Clare Glen, Tandragee, County Armagh. March.

Dong Lei / Purple bergenia (Bergenia purpurascens) in flower, Kawakarpo Mountain, Meri Snow Mountain National Park, Yunnan Province, China.

Philippe Clement / Opposite-leaved Golden saxifrage (Chrysosplenium oppositifolium) Luxembourg

Wild Wonders of Europe / Schandy / Artistic view of Saxifrage flowers, Mount Cheget, Caucasus, Russia, June 2008

Jeff Foott / Indian Rhubarb (Darmera peltata) growing on rock in river, Cascade Creek, Yosemite National Park, California

Konrad Wothe / Grass of Parnassus (Parnassia palustris) flower detail with dewdrops, Bavaria, Germany, Europe. September.

Konrad Wothe / Marsh grass of Parnassus (Parnassia palustris) flower covered with dew, Bavaria, Germany, Europe. September.

Paul Harcourt Davies / Red Apennine saxifrage (Saxifraga porophylla), endemic to the central Apennines, in flower, Gran Sasso, Abruzzo, Italy. June.

Paul Harcourt Davies / Limestone saxifrage (Saxifraga callosa) in flower, Lazio, Italy. June.

Paul Harcourt Davies / Bulbous saxifrage (Saxifraga bulbifera) in flower, Sibillini, Umbria, Italy. May.

Paul Harcourt Davies / Lifelong saxifrage (Saxifraga paniculata) growing amongst rocks at 2700m. Fassa Valley, Trentino, Dolomites, Italy. June.

Paul Harcourt Davies / Musky saxifrage (Saxifraga exarata moschata). Col di Rodella, Fassa Valley, Dolomites, Italy. July.

Paul Harcourt Davies / Blue-green saxifrage (Saxifraga caesia) amongst stones at 2200m. Valparola Pass, Dolomites, Veneto, Italy. July.

Paul Harcourt Davies / Yellow mountain saxifrage (Saxifraga aizoides) on rock at 2762m. Near Refugio Lagazuoi, above Fassa Valley, Trentino, Dolomites, Italy. July.

Paul Harcourt Davies / Mossy saxifrage (Saxifraga bryoides) flowering beside rock. Fassa Valley, Dolomites, Trentino, Italy. July.

Paul Harcourt Davies / Yellow mountain saxifrage (Saxifraga aizoides) at 2762m. Near Refugio Lagazuoi, Fassa Valley, Dolomites. July.

Paul Harcourt Davies / Purple saxifrage (Saxifraga oppositifolia) on rock face. Dolomites, Italy. June.

Paul Harcourt Davies / Musky saxifrage (Saxifraga exarata moschata) in rock crevice. Col di Rodella, Fassa Valley, Dolomites, Italy. July.

Paul Harcourt Davies / Musky saxifrage (Saxifraga exarata moschata). Col di Rodella, Fassa Valley, Dolomites, Italy. July.

Paul Harcourt Davies / Purple saxifrage (Saxifraga oppositifolia). Dolomites, Italy. June.

Paul Harcourt Davies / Purple saxifrage (Saxifraga oppositifolia) flowers cascading across rocks. The Sella, Dolomites, Italy. June.

Paul Harcourt Davies / Livelong saxifrage (Saxifraga paniculata) growing on Moss covered rock .Fassa Valley, Dolomites, Trentino, Italy. June.

Paul Harcourt Davies / Livelong saxifrage (Saxifraga paniculata). Fassa Valley, Dolomites, Trentino, Italy. June.

Paul Harcourt Davies / Yellow mountain saxifrage (Saxifraga aizoides) amongst rocks at 2762m. Near Refugio Lagazuo, Falzarego Pass, Belluno, Italy. July.

Paul Harcourt Davies / Purple saxifrage (Saxifraga oppositifolia) growing amongst rocks at 2900m. Dolomites, South Tyrol, Italy.

Jenny E. Ross / Rusty saxifrage (Saxifraga hieracifolia), , Wrangel Island, Siberia, Chukchi Sea, Russia. August

Jenny E. Ross / Spotted saxifrage (Saxifraga caespitosa), Wrangel Island, Siberia, Chukchi Sea, Russia. August

Jenny E. Ross / Rusty saxifrage (Saxifraga hieracifolia), aka Stiff-stemmed Saxifrage, Wrangel Island, Siberia, Chukchi Sea, Russia. August

Jenny E. Ross / Yellow Marsh Saxifrage (Saxifraga hirculus), aka Bog Saxifrage, Wrangel Island, Siberia, Chukchi Sea, Russia. August

Linda Pitkin / Rue-leaved saxifrage (Saxifraga tridactylites) Epsom Downs, Surrey, England, April.

Linda Pitkin / Meadow saxifrage (Saxifraga granulata), a rare/ scarce plant in Surrey, and Germander Speedwell (Veronica chamaedrys) in a churchyard, Sanderstead, Surrey, England, May.

Linda Pitkin / Meadow Saxifrage (Saxifraga granulata), in a churchyard. A rare/ scarce plant in Surrey. Sanderstead, Surrey, England, May 2013.

Linda Pitkin / Meadow Saxifrage (Saxifraga granulata), in a churchyard. A rare/ scarce plant in Surrey. Sanderstead, Surrey, England, May 2016.

Nick Upton / Meadow saxifrage (Saxifraga granulata) clump flowering on a chalk grassland slope, The Ridgeway, Marlborough Downs, Wiltshire, UK, April.

Olga Kamenskaya / Bergenia (Bergenia crassifolia) Lake Baikal, Siberia, Russia. July.

Linda Pitkin / Opposite-leaved golden-saxifrage (Chryosplenium oppositifolium) Rhododendron wood, Leith Hill, Surrey, England, April.

Steve Nicholls / Alpine saxifrage (Saxifraga nivalis) a rare plant of high mountains. UK

Steve Nicholls / Purple saxifrage (Saxifraga oppositifolia) Cwm Idwal, Snowdonia, Wales, UK.

Philippe Clement / Mossy saxifrage / Dovedale moss (Saxifraga hypnoides) in flower, native to Europe. May

Linda Pitkin / Meadow saxifrage (Saxifraga granulata), a rare plant in Surrey, but occasionally abundant in churchyards. St Laurence churchyard, Seale, Surrey, England, May.

Guy Edwardes / Grass or Parnassus (Parnassia palustris), Mangrt Pass, Triglav National Park, Slovenia.

Mike Read / Opposite-leaved golden saxifrage (Chrysosplenium oppositifolium). Blashford Lakes Nature Reserve, Hampshire and Isle of Wight Wildlife Trust Reserve, Ellingham, Ringwood, Hampshire, England, UK. April...

Erlend Haarberg / Yellow mountain saxifraga (Saxifraga aizoides) growing on marble. Lahko National Park, Fjell, Norway, July.

Ernie Janes / Astilbe 'Collettes charm' in garden border.

Ernie Janes / Rodgersia 'Kuppermond' cultivated plant.

Laurie Campbell / Mossy Saxifrage (Saxifraga hypnoides) Rum National Nature Reserve, Inner Hebrides, Scotland, June.

Ernie Janes / Grass-of-parnassus (Parnassus palustris) flowers. Norfolk, England, UK, August.

Ernie Janes / RF - Grass-of-parnassus (Parnassus palustris) flowers. Norfolk, England, UK, August. (This image may be licensed either as rights managed or royalty free.)