The large, sunshine-yellow flowers of the yellow iris brighten up the margins of our waterways, ponds, wet woods, fens and marshes. Also called the 'flag iris', its outer petals have a…

One of 2 seahorses found in UK seas, long snouted seahorses are recognisable by their longer snout and fleshy "mane".

The papery, translucent, silver 'coins' of Honesty are instantly recognisable. They are actually the leftover seed pods that dangle from the plant through winter.

Brush through a wildflower meadow at the height of summer and you'll hear the tiny seeds of yellow-rattle rattling in their brown pods, hence its name.

Horseshoe vetch is a member of the pea family, so displays bright yellow, pea-like flowers and seed pods. Look for this low-growing plant on chalk grasslands from May to July.

Often confused with the larger but similarly shaped lion’s mane jellyfish, the blue jellyfish can be colourless when young and develop a striking blue-purple bell as it matures.

This unmistakeable moth, famous for its skull-shaped marking, is a rare visitor to the UK.