Aster alpinus 1 Turda, Romania 090614 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Aster alpinus 4 Lund Bot Garden 120615 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Aster alpinus 6 Cote 2000 between Moucherolle and Moucherotte FR 150704 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Aster alpinus 7 Cote 2000 between Moucherolle and Moucherotte FR 150704 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Aster alpinus 8 Cote 2000 between Moucherolle and Moucherotte FR 150704 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Aster altaicus Bergianska 030811 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Aster amellus 2 Lund Bot Garden 070625 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Aster amellus 3 Copenhagen Bot Garden 120926 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Aster amellus 4 Lund Bot Garden 110616 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Aster amellus 5 Lund Bot Garden 070625 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Aster bellidiastrum 1 Stubnerkogel, Austria 080702 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Aster bellidiastrum 5 Stubnerkogel, Austria 080702 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Aster bellidiastrum 6 between Villar d'Arène and Col du Lautaret FR 150707 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Aster bellidiastrum 7 between Villar d'Arène and Col du Lautaret FR 150707 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Aster bellidiastrum 8 Cote 2000 between Moucherolle and Moucherotte FR 150704 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Aster bellidiastrum 9 Cote 2000 between Moucherolle and Moucherotte FR 150704 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Aster diplostephioides 1 Copenhagen Bot Garden 160713 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Aster diplostephioides 2 Copenhagen Bot Garden 160713 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Aster diplostephioides 3 Copenhagen Bot Garden 160713 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Aster maackii 1 Copenhagen Bot Garden 120926 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Aster maackii 2 Copenhagen Bot Garden 120926 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Aster trinervius 1 Copenhagen Bot Garden 120926 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Aster trinervius 2 Copenhagen Bot Garden 120926 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Aster yunnanensis 1 Baimashan, Yunnan 110710 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Aster yunnanensis 2 Baimashan, Yunnan 110710 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Aster yunnanensis 3 Baimashan, Yunnan 110710 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Aster yunnanensis 4 Baimashan, Yunnan 110710 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Aster alpinus 2 Lund Bot Garden 120615 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Aster alpinus 3 Lund Bot Garden 120615 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Aster alpinus 5 Bergianska 060620 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Aster amellus 1 Copenhagen Bot Garden 120926 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Aster bellidiastrum 10 between Villar d'Arène and Col du Lautaret FR 150707 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Aster bellidiastrum 2 Stubnerkogel, Austria 080702 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Aster bellidiastrum 3 Stubnerkogel, Austria 080702 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Aster bellidiastrum 4 Stubnerkogel, Austria 080702 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Aster himalaicus 1 Copenhagen Bot Garden 130611 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Aster himalaicus 2 Copenhagen Bot Garden 130611 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).