May not be much to look at, but this is the very rare Potamogeton nodosus Loddon Pondweed looking rather attractive in a river on the Hampshire Berkshire border.
This little beauty is the hybrid between common and pale toadflax, Linaria x sepium. Growing with Pale toadflax, Linaria repens, on chalk grassland on a disused railway embankment in Hampshire
Crataegus persimilis broad-leaved cockspur thorn growing well away from any garden, at the foot of a disused railway embankment in a remote part of north Devon