
Biting stonecrop Sedum acre
Biting stonecrop Sedum acre sprig with two flowering spikes and a few vegetative ones

Bitter vetch Lathyrus linifolius
Bitter vetch Lathyrus linifolius showing purple flowers and pods both ripe and brown and earlier on, still green. Tendrils and winged stem shown clearly along with paied leaves

Bitter wood vetch Vicia orobus
Bitter wood vetch Vicia orobus showing the pale mauve flowers and pale green pods and paired leaves

Bittersweet Solanum dulcamara
Bittersweet Solanum dulcamara with distinctive purple and yellow flowers and one bright red berry

Black eyed Susan Rudbeckia hirta
Black eyed Susan Rudbeckia hirta with three blooms, one in flower, one in bud, and one going over

Black horehound Ballota nigra
Black horehound Ballota nigra with detail on individual purple flower

Black Nightshade Solanum nigrum
Black Nightshade Solanum nigrum sprig with setails of seed, flower, stamen, and berry included

Black grass Alopecurus myosuroides
Black grass Alopecurus myosuroides

Alpine ladies mantle alchemilla alpina
Alpine ladies mantle alchemilla alpina with pale underside of leaves ahown and fibrous root area

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

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

Ash Fraxinus excelsior twig and leaf
Ash Fraxinus excelsior twig in bud and leaf spray

Autumn crocus Colchicum autumnale
Autumn crocus Colchicum autumnale two flowers and leaf

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

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

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

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

Barley Hordeum vulgare
Barley Hordeum vulgare with green and mature ripe seed head

Abscission diagram
Abscission diagram showing ho w the abscission layer lets the leaf fall off without exposing the plant to pathogens

Barren brome grass Anisantha sterilis
Barren brome grass Anisantha sterilis with spikelet detail

Bugle Ajuga reptans
Bugle Ajuga reptans plant with stolon

Barren strawberry Potentilla sterilis
Barren strawberry Potentilla sterilis with stolom and small inedible fruit