Featured 12 Sep 2009 Image
Field ablaze with non-native plants: a yellow daisy Arctotheca calendula, and Purple bugloss Echium plantagineum
near Perenjori, western Australia
Echium plantagineum is an invasive weed in Australia. Poisonous to sheep if eaten in quantity - alkaloids in the plant damage livers of grazing sheep. There is an active erradication program in Australia.
© Bob Gibbons / ardea.com