grey

Sundew Drosera rotundifolia with basal rosette of leaves and emerging flowering spikes

Sweet flag Acorus calamus fruit growing from leaf, pencil

Tobacco Nicotiana tabacum plant in flower showing limited caterpillar damage and Hornworm Manduca sexta on leaf, cut to white, and egg, pupa, and adult Carolina sphinx moth

Skunk Cabbage Lysichiton americanus pencil drawing

Snowdrop Galanthus nivalis pencil drawing

Soft rush Juncus effusus pecil drawing

Spiked Water Milfoil Myriophyllum spicatum pencil drawing showing the plant below and above the water

Sage Salvia officinalis in flower

Purple Loosestrife Lythrum salicaria pencil drawing

Reed canary grass Phalaris arundinacea pencil drawing of the spike

Woolly Fringe moss Racomitrium lanuginosum tuft with one hairy shoot and one lone leaf

Meadow waxcap Hygrocybe pratensis pencil drawing

Mistletoe Viscum album pencil drawing showing berries and leaves

Grimmia pulvinata and Tortula muralis moss growing on stone, both bearing spores. Details of individual spore capsules and individual leaves included

Marsh horsetail Equisetum palustre small pencil illustration

Meadow rue Thalictrum flavum pencil drawing

Lichen Usnea subfloridana growing on a twig

Hemp Agrimony Eupatorium cannabinum pencil drawing

Indian Rhubarb Darmera peltata pencil drawing showing flowers and one leaf

Iris seed pods, one open and the other not yet open

Greater bladderwort Utricularia vulgaris pencil drawing showing flower above the water and the network of veins underwater with the bladder traps to catch aquatic microorganisms

Greater reedmace Typha latifolia flowering head in pencil, also sometimes know (wrongly) as bull rush

Grey willow Salix cinerea with make and female catkins along with a spray of leaves, one showing its underside

Guelder rose Viburnum opulus pencil drawing showing flowering head and berries