The winged thistle has spiny strips of leaf material up its stems, and these are known as wings, hence the name winged thistle. Californian thistle ... MCPB can be used on young rosettes, or else ...

The species gets the name "nodding thistle" because of the large seed heads that "nod" over due to their weight ... In New Zealand, nodding thistle is not yet found in every part of the country, but ...