Calendula arvensis 10 Pantallica area, Sicily 190416 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Calendula arvensis 11 Pantallica area, Sicily 190416 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Calendula arvensis 4 Skala Eresou, Lesbos, Greece 130510 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Calendula arvensis 5 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Calendula arvensis 6 NW of Alanya, Turkey 090409 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Calendula arvensis 7 Magaluf, Mallorca 110422 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Calendula arvensis 8 Magaluf, Mallorca 110422 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Calendula arvensis 9 Pantallica area, Sicily 190416 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Calendula meuselii 2 Lund Bot Garden 120704 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Calendula meuselii 5 Lund Bot Garden 140523 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Calendula officinalis 1 Edstippen, Uppland 040919 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Calendula officinalis 2 Bergianska 030811 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Calendula suffruticosa 1 Gibraltar, Great Britain 120321 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Calendula suffruticosa 2 Gibraltar, Great Britain 120321 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Calendula suffruticosa 3 Gibraltar, Great Britain 120321 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Calendula suffruticosa ssp algarbiensis 1 (cult, Algarve, Portugal) Malmö Sk 160829 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Calendula suffruticosa ssp algarbiensis 2 (cult, Algarve, Portugal) Malmö Sk 160829 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Calendula suffruticosa ssp algarbiensis 4 (cult, Algarve, Portugal) Malmö Sk 160829 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Calendula tripterocarpa 1 Cabo de Gata Nature Park, Andalucía Spain 220415 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Calendula tripterocarpa 2 Cabo de Gata Nature Park, Andalucía Spain 220415 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Calendula tripterocarpa 3 Cabo de Gata Nature Park, Andalucía Spain 220415 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Calendula tripterocarpa 4 Cabo de Gata Nature Park, Andalucía Spain 220415 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Calendula tripterocarpa 5 Cabo de Gata Nature Park, Andalucía Spain 220415 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Calendula tripterocarpa 6 Cabo de Gata Nature Park, Andalucía Spain 220415 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Calendula tripterocarpa 7 Cabo de Gata Nature Park, Andalucía Spain 220415 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Calendula tripterocarpa 8 Cabo de Gata Nature Park, Andalucía Spain 220415 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Calendula arvensis 1 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Calendula arvensis 2 Skala Eresou, Lesbos, Greece 130510 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Calendula arvensis 3 Skala Eresou, Lesbos, Greece 130510 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Calendula meuselii 1 Lund Bot Garden 120704 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Calendula meuselii 6 Lund Bot Garden 140523 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Calendula suffruticosa ssp algarbiensis 3 (cult, Algarve, Portugal) Malmö Sk 160829 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).