olive oil

Xylella fastidiosa bacteria and damage illustrations

Study sheet of Xylella bacterium and associated diseases and plant damage botanical illustration by Lizzie Harper

Xylella fastidiosa bacteria sketchbook sheet with notes

Bacterium of Xylella fastidiosa, this form showing long pilli (many have short or no pilli)

Olive Olea europea sprig with leaves fruit and detail of one half olive

Old Olive Olea europaea tree showing typical gnarled growth