African Plants - A Photo... www.africanplants.senckenbe...

African Plants - A Photo... www.africanplants.senckenbe...

Vernonia fastigiata www.waterberg-bioquest.co.z...

Vernonia fastigiata in... plants.jstor.org

Photo Guide to Plants of... www.southernafricanplants.n...

Vernonia fastigiata in... plants.jstor.org

Photo Guide to Plants of... www.southernafricanplants.n...

Photo Guide to Plants of... www.southernafricanplants.n...

Vernonieae (Asteraceae) of... phytokeys.pensoft.net

Vernonia - Wikipedia en.wikipedia.org

Vernonia fastigiata in... plants.jstor.org

Vernonieae (Asteraceae) of... phytokeys.pensoft.net

Kalahari vernonia -... eol.org

Photo Guide to Plants of... www.southernafricanplants.n...

African Plants - A Photo... www.africanplants.senckenbe...

African Plants - A Photo... www.africanplants.senckenbe...

Molecules | Free Full-Text... www.mdpi.com

Photographs of Parapolydora... www.researchgate.net

1200px-Asteraceae_( ... commons.wikimedia.org

African Plants - A Photo... www.africanplants.senckenbe...