In mild years, the spring-flowering primrose can appear as early as December. Look out for its pretty, creamy-yellow flowers in woodlands and grasslands.

The English oak is, perhaps, our most iconic tree: the one that almost every child and adult alike could draw the lobed leaf of, or describe the acorn fruits of. A widespread tree, it is prized…

This small, round sea urchin is (unsurprisingly!) green in colour and can be found on rocky shores around the UK.

You're more likely to see the attractive, brightly coloured caterpillars than the mullein moth itself.

As its name suggests, Himalayan balsam is from the Himalayas and was introduced here in 1839. It now an invasive weed of riverbanks and ditches, where it prevents native species from growing.

The diminutive common eyelash fungus can be found on wet wood and humous-rich damp soil, often by streams or in wet places. Its orange cup is fringed with tiny, black hairs, providing its common…

Despite its dazzling colouration, this fabulous nudibranch can be easily missed, due to its small size!

As its name suggests, giant hogweed it a large umbellifer with distinctively ridged, hollow stems. An introduced species, it is an invasive weed of riverbanks, where it prevents native species…