Konrad Wothe / Cobweb houseleek (Sempervivum arachnoideum) in flower, Grisons, Switzerland, Europe. July.

Konrad Wothe / White stonecrop (Sedum album) flowering, Grisons, Switzerland, Europe. July.

Paul Harcourt Davies / Red stonecrop (Sedum rubens) in flower, Lazio, Italy. July.

Paul Harcourt Davies / Reflexed stonecrop (Sedum rupestre) in flower, Lazio, Italy, July.

Chris Mattison / Cobweb houseleek (Sempervivum arachnoideum) growing on rocks, Valgrisenche, Italian Alps, Italy.

Chris Mattison / Mountain houseleek (Sempervivum montanum) growing out of lichen covered rocks. Valgrisenche, Italian Alps, Italy.

Chris Mattison / Mountain houseleek, (Sempervivum montanum), Gran Paradiso National Park, Italian Alps, Italy.

Edwin Giesbers / Money tree / Jade plant (Crassula ovata) Tenerife, Canary Islands, Europe.

Edwin Giesbers / Succulent (Aeonium pseudourbicum) and Narrow leaved cistus (Cistus monspeliensis) Tenerife, Canary Islands, Europe.

Edwin Giesbers / Succulent (Aeonium pseudourbicum) endemic to Tenerife, Canary Islands

Edwin Giesbers / Succulent (Aeonium pseudourbicum) close up covered in dew, Tenerife, Canary Islands, Europe.

Edwin Giesbers / Pinwheel / Haworths aeonium (Aeonium haworthii) Tenerife, Canary Islands

David Pike / English stonecrop (Sedum anglicum) Emsworthy, Dartmoor, Devon, England, UK, July.

David Pike / English stonecrop (Sedum anglicum) Emsworthy, Dartmoor, Devon, England, UK, July.

David Pike / English stonecrop (Sedum anglicum) Emsworthy, Dartmoor, Devon, England, UK, July.

Alex Hyde / English stonecrop (Sedum anglicum) flowering in rock fissure. Isle of Mull, Scotland, UK.

Alex Hyde / English stonecrop (Sedum anglicum) flowering in rock fissure. Isle of Mull, Scotland, UK.

Claudio Contreras / Guadalupe dudleya (Dudleya guadalupensis), Zapato Islet, Guadalupe Island Biosphere Reserve, off the coast of Baja California, Mexico, April

Claudio Contreras / Guadalupe dudleya (Dudleya guadalupensis), Zapato Islet, Guadalupe Island Biosphere Reserve, off the coast of Baja California, Mexico, April

Nick Upton / English stonecrop (Sedum anglicum) flowering amongst moss on sand dune. Studland, Dorset, England, UK. June.

Nick Upton / English stonecrop (Sedum anglicum) flowering amongst moss on sand dune. Studland, Dorset, England, UK. June.

Paul Harcourt Davies / Cobweb houseleek (Sempervivum arachnoideum) flowering amongst Moss between rocks. Dolomites, Italy. July.

Paul Harcourt Davies / Rock campion (Silene rupestris) amongst rocks. Dolomites, Italy. July.

Paul Harcourt Davies / Dark stonecrop (Sedum atratum). Dolomites, Italy. July.

Paul Harcourt Davies / Biting stonecrop (Sedum acre) on rocks at 2200m. Valparola Pass, near Cortina, Dolomites, Veneto, Italy. July.

Paul Harcourt Davies / Roseroot (Rhodiola rosea). Ciampac, Fassa Valley, Dolomites, Trentino, Italy. June.

Paul Harcourt Davies / Roseroot (Rhodiola rosea). Ciampac, Fassa Valley, Dolomites, Trentino, Italy. June.

Paul Harcourt Davies / Biting stonecrop (Sedum acre) at altitude of 2200m. Valparola Pass, near Cortina, Dolomites, Belluno, Italy. June.

Paul Harcourt Davies / Thick-leaved stonecrop (Sedum dasyphyllum) on Moss covered rock, at 2200m. Falzarego Pass, near Cortina, Dolomites, Belluno, Italy. July.

Paul Harcourt Davies / Thick-leaved stonecrop (Sedum dasyphyllum) on Moss covered rock, at 2200m. Falzarego Pass, near Cortina, Dolomites, Belluno, Italy. July.

Paul Harcourt Davies / Thick-leaved stonecrop (Sedum dasyphyllum) growing amongst Moss between rocks at 2200m. Falzarego Pass, nr Cortina, Dolomites, Italy. July.

Paul Harcourt Davies / Dark stonecrop (Sedum atratum) growing between rocks at 2200m. Valparola Pass, near Cortina, Dolomites, Italy. July.

Paul Harcourt Davies / Roseroot (Rhodiola rosea), mountains in background. Near Ciampac, Fassa Valley, Dolomites, Trentino, Italy. June 2019.

Paul Harcourt Davies / Roseroot (Rhodiola rosea) in grassland, mountains in background. Near Ciampac, Fassa Valley, Dolomites, Trentino, Italy. June 2019.

Phil Savoie / Long legged fly (Dolichopus plumipes) feeding on Biting stonecrop (Sedum acre) pollen. Monmouthshire, Wales, UK, June

Phil Savoie / Red-girdled mining bee (Andrena labiata) feeding on Biting stonecrop (Sedum acre) pollen. Monmouthshire, Wales, UK, June. Rare species.

Phil Savoie / Red-girdled mining bee (Andrena labiata) feeding on Biting Stonecrop (Sedum acre) pollen. Monmouthshire, Wales, UK, June. Rare species.

Phil Savoie / Smeathman's furrow bee (Lasioglossum smeathmanellum) feeding on Biting Stonecrop (Sedum acre) pollen. Monmouthshire, Wales, UK, June

Andy Rouse / Painted lady butterfly (Vanessa cardui) feeding on sedum (Hylotelephium) in a garden. Wales, UK. August.

Andy Rouse / Painted lady butterfly (Vanessa cardui) feeding on sedum (Hylotelephium) in a garden. Wales, UK. August.

Andy Rouse / Painted lady butterfly (Vanessa cardui) feeding on sedum (Hylotelephium) in a garden. Wales, UK. August.

Andy Rouse / Painted lady butterfly (Vanessa cardui) flying over sedum (Hylotelephium) in a garden. Wales, UK. August.

Andy Rouse / Painted lady butterfly (Vanessa cardui) flying over sedum (Hylotelephium) in a garden. Wales, UK. August.

Chris Mattison / Wall pennywort (Umbilicus rupestris) growing on the wall surrounding Tintern Abbey, Monmouthshire, Wales

Linda Pitkin / Navelwort / Wall pennywort (Umbilicus rupestris), in wooded area, coast path near Jennycliff, near Plymouth, Devon, England, July.

Linda Pitkin / Navelwort / Wall pennywort (Umbilicus rupestris), in wooded area, Jennycliff, near Plymouth, Devon, England, July.

Linda Pitkin / Rock stonecrop (Sedum forsterianum) Verne High Angle Battery, Portland, Dorset, England, July.

Linda Pitkin / English stonecrop (Sedum anglicum) Saint Werburgh's Churchyard, Wembury, Devon, England, July.