perennial

Botanical illustration of the Common couch Elymus repens

Yorkshire fog Holcus lanatus plant with lemma, ligule, and spikelet detail

Wood anenome Anemone nemorosa lone flower with dark green leaf

Wood forget-me-not Myosotis sylvtica with pink buds and blue flowers, and showing the hairy leaves

Wood millet Milium effusum with ligule, lemma and spikelet detail

Wood sedge Carex sylvatica with fruit, female glume, and ligule details

Wood speedwell Veronica montana showing red stem

Yam with plant attached

Yellow Flag Iris pseudoacorus in flower, pencil drawing

Yellow Flag Iris pseudoacorus in flower

Yellow pimpernel Lysimachia nemorium growing laterally with little yellow flowers

Yellow saxifrage Saxifraga azoides with red stem and detail of single petal

White dead nettle Lamium album plant

Wild marjoram Origanum vulgare sprig

Wild Strawberry Fragaria vesca in flower with ripe fruit

Wood anenome Anemone nemorosa pencil drawing

Upright brome Bromus erectus with ligule spikelet and lemma

Vaccinium oxycoccus Cranberry showing lateral growth habit flowers and berries

Water horsetail Equisetum fluviatile pencil illustration showing flower and leaf

Watercress Nasturtium officinale with flower and seeds and edible leaves

Stiff sedge Carex biglowii with rhizome and vegetative tufts, two stigmasm ligule, fruit and glume

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

Sweet flag Acorus calamus fruit growing from leaf, pencil

Potato Solanum tuberosum vs Sweet potato pomoea batatas tuber diagram