Marsh Thistle

Marsh Thistle

Observation - Marsh Thistle - UK and Ireland. Description: Marsh Thistle is the common thistle on Allerthorpe Common. Some are infested with the larvae of Cheilosia hoverflies and end up with distorted stems...I shall try to post an example later in the spring.

Marsh Thistle is the common thistle on Allerthorpe Common. Some are infested with the larvae of Cheilosia hoverflies and end up with distorted stems...I shall try to post an example later in the spring.