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Alder Alnus glutinosa tree

Wood sorrel Oxalis acetosela pen and ink illustration

Wintercress pen and ink line drawing with detail of an individual flower

Winter purslane Claytonia perfoliata pen and ink illustration

Wild marjoram Origanum vulgare pen and ink botanical illustration

Shaggy Ink cap Coprinus comatus pen and ink botanical illustration

Sea beet Beta maritima pen and ink botanical illustration

Scarlet Elf cap Sarcoscypha coccinea pen and ink illustration against moss

Rowan or Mountain ash Sorbus aucuparia pen and ink botanical illustration

Rosebay willowherb Epilobium or Chamaenerion angustifolium

Three cornered leek Allium triquetrum pen and ink illustration with detail of one flower

Sweet chestnut Castanea sativa pen and ink line drawing with details of nut and prickly seed case

Sorrel Rumex acetosa pen and ink botanical illustration with detail of individual seed and distinctive leaf shape

Horse radish Armorica rusticana pen and ink line drawing with one leaf and the structure of the root in detail

Horse chestnut Aesculus hippocastanum in pen and ink with detail of conker and flowering spike

Heather Calluna vulgaris pen and ink line drawing with details of the shoot and individual flower

Hawthorn Crataegus monogyna pen and ink botanical illustration with details of the berries (or haws), blossom, and individual leaf

Hairy bittercress Cardamine hirsuta in pen and ink with flower and seed detail

Gull Larus wing anatomy to show the feathers and markings

Gull Larus head anatomy simplified diagram to help show structures of note

Gull Larus in flight anatomy simplified to show structures of note in this family of seabirds

Gull Larus body anatomy showing features to look out for when the bird is at rest

Ground ivy Glechoma hederacea pen and ink line drawing with detail of oen flower