Waterkers (Rorippa of Nasturtium)

Poison Ivy from the Plants series

Louis Prang & Co.

Lupine (Lupinus)

Unknown Artist

Ganzerik (Potentilla)

Unknown Artist

Gomphocarpus fruticosus, formerly Asclepias fruticosa (Tennis-ball milkweed)

Robert Jacob Gordon

Witkleurige blauwe knoop (Succisa)

Unknown Artist

Onbekende plant

Unknown Artist

Scabiosa of Knautia

Unknown Artist

Gele monnikskap (Aconitum vulparia)

Unknown Artist

Honesty (Lunaria annua)

Unknown Artist

Dictamnus albus (hvid diktam)

Hans Simon Holtzbecker

Water Hemlock from the Plants series

Louis Prang & Co.

Matthiola incana (vinter-levkøj)

Hans Simon Holtzbecker