The brown, oval flower heads of ribwort plantain balance on top of thin, wiry stems; the resulting seed heads provide food for birds in winter. Look for this 'weed' in lawns, fields and…

These winter visitors are close relatives of the chaffinch and can often be found in the same flocks, where their white rump and nasal calls give them away.

Frogbit looks like a mini water-lily as it floats on the surface of ponds, lakes and still waterways. It offers shelter to tadpoles, fish and dragonfly larve.

The tops of Oarweed fronds can be spotted floating on low tides. Kelp beds are an important habitat, providing shelter for many other marine creatures.

A scarce but distinctive brown seaweed with curved, funnel-shaped fronds. It is a warmer water species at the northern edge of its range on the south coast of England.

Often spotted in large flocks, the fieldfare is an attractive thrush. It is a winter visitor, enjoying the feast of seasonal berries the UK's hedgerows, woodlands and parks have to offer.

Pushing its way up through the cracks in pavements, the straw-coloured flower spikes of greater plantain or 'broadleaf plantain' are a familiar sight. This 'weed' also pops up…

Reed sweet-grass is a towering grass with large, loose flower heads that can be found on marshy ground near rivers, streams and ponds. It can become invasive, but does shelter various aquatic…

This yellow-brown seaweed grows in tufts at the very top of rocky shores. Its fronds curls at the sides, creating the channel that gives Chanelled Wrack its name.

With club-shaped leaflets on its fronds, wall-rue is easy to spot as it grows out of crevices in walls. Plant it in your garden rockery to provide cover for insects.