There are over 330 species of bramble in the UK. This helps explain why not all blackberries taste the same. The scientific name for the plant we recognise as a blackberry bush is Rubus fruticosus ...

These bramble plants are also known to attract a lot of insects, providing an additional food source for the hummingbirds.

Among the nitrogen-lovers thriving on exhaust fumes are those that Plantlife calls the "thugs of the plant world". They include stinging nettle, bramble, rough meadow-grass, cow parsley ...