biology

Amethyst deceiver Laccaria amethystina clump growing on moss and dead woos and in different stages of growth

Arrowhead Sagittaria sagittifolia pencil image showing plant above and below wtaer and the different leaves in both habitats, in flwoer

Ash dieback symptoms Fraxinus excelsior Chalaria showing damaged inside of wood, damage on bark, little white fungal bodies, withered leaves on the branch, and individuall diseased leaf, the tree with exposed branches due to die back and a branch with siwtheres fronds of leaves on it

Ash Fraxinus excelsior pen and ink stippled drawing of the tree without leaves

Ash Fraxinus excelsior twig in bud and leaf spray

Autumn crocus Colchicum autumnale two flowers and leaf

Autumn leaf study of an Acer showing bright vivid red and yellow colours, leaf has damage and minor holes

Auxin diagram showing how applying auxin to the top of a plant encourages vertical rather than lateral growth

Avalanche rose Rosa two in bloom with dark leaves and white petals

Barberry Burberis vulgaris with red berries, yellow flowers and spiny twigs

Iris in gravel with blue petals

Garden border in spring with tulips, crocus, daffodils and daisies abutting a carefully tended lawn and edged with concrete slabs

Foodchain consisting of a tuft of grass, a rabbit, and a predator fox