Loic Poidevin / Two Common blue butterflies (Polyommatus icarus) mating on Common fleabane flowers (Pulicaria dysenterica), Vendee, France. July.

Juan Carlos Munoz / Blue fleabane (Erigeron acer) growing near limestone pavement, Ordesa y Monte Perdido National Park, Pyrenees, Aragon, Spain, July.

Juan Carlos Munoz / Blue fleabane (Erigeron acer) growing near limestone pavement, Ordesa y Monte Perdido National Park, Pyrenees, Aragon, Spain, July.

Loic Poidevin / Small heath butterfly (Coenonympha pamphilus) on flower (Pulicaria), Vendee, France, September.

Tim Fitzharris / Paintbrush (Castilleja sp) and Seaside Fleabane (Erigeron glaucus) flowering on coast, Garrapata State Beach, Big Sur, California

Tim Fitzharris / Ice Plant (Carpobrotus edulis) and flowering Seaside Fleabane (Erigeron glaucus) on coast, Pebble Beach, California

Tim Fitzharris / Ice Plant (Carpobrotus edulis) and flowering Seaside Fleabane (Erigeron glaucus) on coast, Pebble Beach, California

MYN / Dirk Funhoff / Annual fleabane (Erigeron annuus), Theisbergstegen, Germany. Meetyourneighbours.net project.

MYN / Dirk Funhoff / Annual fleabane (Erigeron annuus), Theisbergstegen, Germany. Meetyourneighbours.net project.

MYN / Dirk Funhoff / Annual fleabane (Erigeron annuus), Pfalz, Theisbergstegen, Pfalz, Germany. June. Meetyourneighbours.net project

Andy Sands / Blue mason bee (Osmia leaiana) pushing pollen from Fleabane flower into scopa - pollen gathering hairs on abdomen, Oxfordshire, England, UK, August

Andy Sands / Blue mason bee (Osmia leaiana) gathering pollen from Fleabane flower, Oxfordshire, England, UK, August