Cow Parsley (Anthriscus sylvestris)

Cow Parsley (Anthriscus sylvestris)

Observation - Cow Parsley (Anthriscus sylvestris). Description: This one's bugging me. Growing freely in wet ground. I'm sure I should know it but I'm not getting anywhere. (Looking forward to a copy of Rose arriving shortly ;) ) Help would be appreciated. Edit: Title changed to match Graeme's ID: many thanks.

This one's bugging me. Growing freely in wet ground. I'm sure I should know it but I'm not getting anywhere. (Looking forward to a copy of Rose arriving shortly ;) ) Help would be appreciated.
Edit: Title changed to match Graeme's ID: many thanks.