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Heterotheca Cass. (Astereae)

Heterotheca grandiflora 3 Mauna Kea, Big Island, Hawaii 130727 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Heterotheca grandiflora 4 Mauna Kea, Big Island, Hawaii 130727 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Heterotheca grandiflora 5 Mauna Kea, Big Island, Hawaii 130727 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Heterotheca pumila 2 Göteborg Bot Garden 120628 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Heterotheca villosa 3 Newport Beach, California 130413 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Heterotheca grandiflora 1 Mauna Kea, Big Island, Hawaii 130727 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Heterotheca grandiflora 2 Mauna Kea, Big Island, Hawaii 130727 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Heterotheca pumila 1 Göteborg Bot Garden 120628 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Heterotheca villosa 1 Newport Beach, California 130413 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Heterotheca villosa 2 Newport Beach, California 130413 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Heterotheca villosa 4 Newport Beach, California 130413 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).