spot

Sharp rush Juncus acutus with leaf tip and nutlet detail

Marram grass Ammophila arenaria with detail of flowering head, ligule and in-rolled leaf

Sand pansy Viola tricolor ssp curtisi showing insubstantial foliage and yellow and white flowers

Duck potato Sagittaria latifolia botanical illustration by Lizzie Harper showing underwater “potato” growths

Greater Bird’s-foot trefoil Lotus pendunculatus or Lotus uliginosus with calyx detail

Fool’s water-cress Apium nodiflorum with seed and flower detail

Water fern Azolla filiculoides shown floating with water repelling properties

Gypsywort Lycopus europaeus with detail of flower calyx and seed

Water forget-me-not Myosotis scorpiodes showing growth habit

Water figwort Scrophularia auriculata with detail of flower stem and seed

Water-violet Hottonia palustris showing submerged leaves

Water-pepper Persicaria hydropiper or Polygonum hydropiper

Brooklime Veronica beccabunga in flower showing red stem

Amphibious bistort Polygonum amphibium floating form in flower

Common butter-bur Petasites hybridus with male flowers inflorescence

Celery-leaved buttercup Ranunculus sceleratus showing whole plant and roots

Common duckweed Lemna minor showing plant growing and close up of flower

Great yellow-cress Rorippa amphibia with detail of seed and flower

Ivy-leaved water crowfoot Ranunculus hederaceus showing sprawling habit

Skullcap Scutellaria galericulata showing distinctive blue flowers

Water soldier Stratiotes aloides showing emergent leaves

Reindeer lichen Cladonia rangiformis showing spots of algae growing on the grey branches

Early Marsh Orchid Dactylorhiza incarnata ssp coccinea showing distinctive red flowers and stocky low habit

Portland spurge Euphorbia portlandica with flower fruit seed and leaf underside