The pincushion-like, lilac-blue flower heads of Devil's-bit scabious attract a wide variety of butterflies and bees. Look for this pretty plant in damp meadows and marshes, and on riverbanks…

As its name suggests, the Dwarf thistle is a low-growing plant that is almost stemless - its purple, thistle-like flower heads growing out of a rosette of spiny leaves.

A prickly, tall plant, the Small teasel is closely related to the Common teasel, but has much smaller, more rounded flower heads. It prefers damp, open woodlands.

The egg-shaped, crimson flower heads of Great burnet give this plant the look of a lollipop! It can be found on floodplain meadows - a declining habitat which is under serious threat.

The Carline thistle produces distinctive brown-and-golden flower heads that look like a seeded thistle. These flowers are attractive to a wide range of butterflies, including the very rare Large…

Great mullein is an impressive, tall plant of waste ground, roadside verges and gardens. Its candle-like flower spikes rise from rosettes of furry, silver-green leaves.

The disc-shaped leaves and straw-coloured flower spikes of Navelwort help to identify this plant. As does its habitat - look for it growing from crevices in rocks, walls and stony areas.

A tall plant, Rosebay willowherb is a successful coloniser; it can form dense stands of bright pink flower spikes on disturbed ground, such as woodland clearings, verges and waste ground.

The delicate, tube-like, violet-blue flowers of Skullcap bloom from June to September in damp places, such as marshes, fens, riverbanks and pond margins.

Look for the pretty, star-shaped, white flowers of Lesser stitchwort in woodlands and meadows, and along hedgerows and roadside verges in spring. Its flowers are smaller than those of Greater…