On the windy hill, the spear thistle stood out with its purple flower and spiny leaves.

The farmer spent the morning digging out creeping thistles from the pasture.

Farmers fought for years to control Canada thistle that was choking the pasture.

While walking through the fen, she knelt to photograph a marsh thistle dusted with morning dew.

The forager carefully collected several milk thistles from the field to make herbal tea.

Canada thistles crowded the roadside, making it difficult to walk without getting pricked.

Sow thistles sprouted along the fence after the spring rains.

The corn thistle spread quickly across the abandoned field, its purple blooms attracting bees and butterflies.

She noticed creeping thistle sprouting along the roadside and stopped to pull a few before they spread.

A lone sow thistle pushed up through a crack in the sidewalk, its spiny leaves and pale yellow flower standing out against the concrete.