Centratherum Cass. (3 images; © 2014 Jan Thomas Johansson)

Elephantopus L. (3 images; © 2014 Jan Thomas Johansson)

Gymnanthemum Cass. (7 images; © 2014 Jan Thomas Johansson)

Stokesia L'Hér. (8 images; © 2014 Jan Thomas Johansson)

Vernonia Schreb. (50 images; © 2014 Jan Thomas Johansson)