The Bird's-nest orchid gets its name from its nest-like tangle of roots. Unlike other green plants, it doesn’t get its energy from sunlight. Instead, it grows as a parasite on tree roots, so…

A tussocky sedge, Greater pond sedge has stout, upright flower spikes, strap-like leaves and triangular stems. It prefers lowland wetland habitats on heavy soils.

Tormentil can be found growing on acid grassland, heathland and moorland, but even pops up alongside roads. It bears yellow, buttercup-like flowers, but with only four petals (buttercups have five…