Cactus, Echinocereus.

Cactus, Echinocereus.

Oak, Red oak, Quercus rubra.

Horse Chestnut, Conker, Aesculus hippocastanum.

Guelder rose, Viburnum opulus.

Guelder rose, Viburnum opulus.

Guelder rose, Viburnum opulus.

Primrose, Primula.

Southern Japanese hemlock, Tsuga sieboldii.

Southern Japanese hemlock, Tsuga sieboldii.

Fritillary, Snake's head fritillary, Fritillaria meleagris.

Daffodil, Narcissus.