lobed leaves

Greater Knapweed Centaurea scabiosa with details of one modified disc floret and a bract, showing the distinctive brown margin, and hairs.

Lesser Hawkbit Leontodon saxatilis with details of pappas types on two different achenes

Oak tree Quercus robur in full leaf. Illustration from The Hidden Universe: Adventures in Biodiversity by Alexandre Antonelli

Brass Buttons or Buttonweed  Cotula coronopifolia with habit sketch, detail of flowering head, and amplexicaul leaf details.  Seeds and seed distribution, along with the variety of leaf forms are also shown.

Persian Hogweed Heracleum persicum sketchbook study showing rounded curve of flowering head, and convex toothed leaf lobes.

Oak  acorn and lobed leaves with long acorn stalk

Oak tree showing typical growth habit of an old tree

Maple Acer campestre keys and leaves on branch

Field maple Acer campestre showing habit and growth pattern

Hawthorn tree showing typical growth form and habit

Musk mallow Malva mochata with detail of lower leaf which is rounder than those higher on the plant

Wood anenome Anemone nemorosa lone flower with dark green leaf

Wood anenome Anemone nemorosa pencil drawing

Wild service tree Sorbus torminalis with white flowers and an autumn leaf with fruit

Water avens Geum rivale plant with root

Sycamore Acer pseudoplatanus leaves with winged fruit amd flowers

Tormentil Potentilla erecta plant showing both shapes of leaves

Potato Solanum tuberosum vs Sweet potato pomoea batatas tuber diagram

Ragwort Senecio jacobaea flowering head and leaves with pale leaf underside shown

Passion flower Passiflora with tendrils and leaves and bud

Oxeye daisy Leucanthemum vulgare with flowers and bud

Oak Quercus robur pen and ink tree shape without leaves

Oak polypore fungus piptoporus quercinus bracket fungus growing on the side of an oak tree

Oak bark Quercus robur study