Lesser Celandine

From back in April: a flower of lesser celandine, Ranculus ficaria.

Photo taken beside the top lake, Whiteknights Park, Reading, UK, on 2013-04-14.

Honesty

From back in May: an honesty plant, Lunaria annua.

Photo taken in the Wilderness, Whiteknights Park, Reading, UK, on 2013-05-06.

Himalayan Balsam

A flower of himalayan balsam, Impatiens glandulifera.

Photo taken in the Wilderness, Whiteknights Park, Reading, UK, on 2013-09-21.

Fleabane

From back in August: flowers of common fleabane, Pulicaria dystenterica.

Photo taken in Whiteknights Park, Reading, UK, on 2013-08-10.

Plant Galls

A leaf of a field maple, Acer campestre, covered in galls, probably those caused by the mite Aceria myriadeum (Arachnida: Acari).

The underside of the leaf looks like this:

Photos taken in the field below Chazey Wood, near Caversham, UK, on 2013-06-16.