aquatic

Fresh water shrimp Gammarus pulex on a sandy background showing its laterally compressed sides

Horseshoe crab Limulus polyphemus wayercolour showing dorsal view of top of shell, cut to white

Yellow water-lily Nuphar lutea pencil drawing of flowers, brandy bottle seed head, and leaves floating on the water surface

White waterlily Nymphaea alba flower against a darker floating lily leaf, pencil

Water horsetail Equisetum fluviatile pencil illustration showing flower and leaf

Water Plantain Alisma plantago-aquatica flowering and showing both leaf types. Pencil

Watercress Nasturtium officinale with flower and seeds and edible leaves

Watermint Mentha aquatica in flower

Sweet flag Acorus calamus fruit growing from leaf, pencil

Skunk Cabbage Lysichiton americanus pencil drawing

Soft rush Juncus effusus pecil drawing

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

Reedmace Typha latifolia rhizome detail with roots and vegetative shoot growing from a rhizome

Pondweed Potamogeton praelongus with seeds held erect out of the water and lanceolate leaves underwater

Lesser spearwort Ranunculus flammula plant growing from grass

Lesser spearwort Ranunculus flammula with flowers and buds

Lesser Water Parsnip Berula erecta with individual flower and fruit

Greater Spearwort Ranunculus lingua with water liley and floating leaves behind, emerging from clean water and showing flowers and seed head

Greater Spearwort Ranunculus lingua with flowers and seeds

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

Greater reedmace Typha latifolia flowering spike

Flowering rush Butomus umbellatus pencil drawing

Fringed waterlily Nymphoides peltata pencil drawing of flowers, buds, and leaves