Horsey Mere added this
Deadly Nightshade (
Atropa belladonna) bush, on a bank by the car park...

(
Deadly Nightshade, Atropa belladonna)
and
Cowbane (
Cicuta virosa) was in full flower at the RSPB's Strumpshaw Fen reserve

(
Cowbane, Cicuta virosa)
A couple of plants of
Phacelia (
Phacelia tanacetifolia), the first I'd ever seen, added a splash of blue to a poppy-filled field at Hickling...

(
Phacelia, Phacelia tanacetifolia)
and finally, a couple of roadside finds; a large stretch of
Dwarf Elder (
Sambucus ebulus), and a couple of enormous plants of
Globe Artichoke (
Cynara cardunculus)

(
Dwarf Elder, Sambucus ebulus)

(
Globe Artichoke, Cynara cardunculus)