Ginkgo (leaves)

Ginkgo biloba

Drooping sheoak (seed pod)

Allocasuarina verticillata

Small-leaved linden

Tilia cordata

Tiger lily (stigma and stamen)

Lilium lancifolium

Bellflower (fruit cross section)

Campanulaceae

Cowslip (flower cross section)

Primula veris

Garden nasturtium

Tropaeolum majus

Spear thistle

Cirsium vulgare

Grape hyacinth (flower cross section)

Muscari armeniacum

Black gum (seed)

Nyssa sylvatica

Sugar maple (seed pods)

Acer saccharum

Smooth cordgrass (seed)

Spartina alterniflora