Sweet leaf, Stevia rebaudiana, a natural sweetener. Close up showing serrated leaves.

Snake's head fritillary, Fritillaria meleagris. Side on view of several flowers close up showing detail of checkerboard pattern.

Snake's head fritillary, Fritillaria meleagris. A single flower close up showing detail of checkerboard pattern.

Jostaberry, Ribes x nidigrolaria , growing on the plant.

Jostaberry, Ribes x nidigrolaria , growing on the plant.

Spindle Tree, Euonymus europaeus, single pink outer case which has dropped the berry, covered in snow.

Spindle Tree, Euonymus europaeus, single pink outer case for the berry covered in snow.

Spindle Tree, Euonymus europaeus, close view of orange berries inside pink outer cases covered in snow.

Sessile oak, Quercus petraea, snow covered leaf hanging on a twig.

Spindle Tree, Euonymus europaeus, orange berries inside pink outer cases covered in snow.

Ginkgo, Maidenhair tree, Ginkgo biloba, single yellow leaf laying on the rough torn away limb of a tree.

Gingko, Maidenhair tree, Gingko biloba, close up of leaves growing on the tree.