Bebbia Greene (11 images; © 2014 Jan Thomas Johansson)

Galinsoga Ruiz & Pav. (24 images; © 2014 Jan Thomas Johansson)

Guizotia Cass. (5 images; © 2014 Jan Thomas Johansson)

Lecocarpus Decne. (7 images; © 2014 Jan Thomas Johansson)

Melampodium L. (7 images; © 2014 Jan Thomas Johansson)

Sigesbeckia L. (9 images; © 2014 Jan Thomas Johansson)

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