Canopy Layer

• Apples malus domsestica (4 cultivars, incl. Rotella, a local variety and Canadian Rennet)
• Medlar mespilus germanica – edible fruit and bee attractant
• Sweet Cherry prunus avium ('Durone') – fruit and bee attractant
• Sour Cherry prunus cerasus
• Figs ficus carica (2 cultivars incl. Portogallo) – edible fruit
• Plums prunus domestica (3 or 4 cultivars, incl. Stanley, wild yellow, wild purple) – edible fruit
• Peach prunus persica (3 cultivars) – edible fruit and bee plant
• Pears pyrus communis (2 cultivars incl. Decana Inverno and an early ripener) – fruit and bee plant
• Strawberry Tree arbutus unedo – edible fruit, bee plant, soil stabilisation
• Persimmon diospyos kaki – edible fruit
• Sweet Chestnut castanea sativa – edible nuts, bee plant, useful timber
• Maidenhair Tree gingko biloba – edible nuts, medicinal leaves
• Walnut juglans regia – edible nuts
• Spruce picea – An ex-Christmas tree.  Young shoots are rich in Vitamin C. Useful timber
• Almond prunus dulcis – edible nuts, bee attractant
• Oaks quercus – edible nuts and useful timber
• Baytrees laurus nobilis – edible leaves
• Black Locust robinia pseudoacacia – edible flowers and seed pods, medicinal leaves (anti-viral), nitrogen fixing, slope stabilising, good firewood
• Elm ulmus – Support for vines, biomass, edible bark and seeds
• Olives olea europaea (various cultivars, incl Pendolo)  - edible fruit, tea from leaves, oil from fruit, useful firewood and timber
• Pomegranate punica granatum –edible fruit
• Lemon tree citrus x limon – edible fruit
• Kumquat fortunella margarita – edible fruit
• Loquat eriobotrya japonica – edible fruit
• Mimosa acacia dealbata – nitrogen fixing, edible flowers, prevents soil erosion

Shrub Layer

• Cornelian Cherry cornus mas – fruit
• Autumn Olive elaeagnus umbellate – fruit, nitrogen fixing
• European Elder sambucus nigra – edible fruit and flowers
• Hazel – corylus avellana – edible nuts, poles
• Blackcurrant ribes nigrum – edible fruit
• Redcurrant ribes rubrum – edible fruit
• Jostaberry ribes x culverwellii – edible fruit
• Gooseberry ribes uva-crispa – edible fruit
• Blackberry rubus fruticosus – edible berries, tea from leaves
• Raspberry rubus idaeus – Edible berries, leaves for tea
• Japanese Quince Chaenomeles japonica – edible fruit
• Oregon Grapes mahonia aquifolium – edible berries, slope stabilisation
• Roses rosa – edible hips, bee plant
• Bamboo – Edible shoots, canes, biomass
• Myrtle myrtus communis – edible berries and leaves, medicinal, bee plant
• Rosemary rosmarinus officinalis – edible leaves, bee plant, medicinal
• Sage salvia officinalis – edible leaves, bee plant, medicinal
• Lavender lavendula – perfumery, medicinal, bee plant
• Hibiscus hisbiscus syriacus – edible leaves and flower, bee plant
• Sloe prunus spinosa – edible berries, tea made from leaves, fruit as cosmetic face mask, headge plant, stabilising slopes, good wood for walking sticks, attracts wildlife
• Litchi Tomato or Sticky Nighthshade solanum sysimbriifolium – edible fruit, disease resistant (protects tomatoes & potatoes from potato cyst nematode), hedge plant (I call them viscious bastards due to their nasty spikes)

Perennial Ground Cover Layer - Most of those are spontaneously appearing on my land and encouraged to stay

• Wild strawberries fragaria vesca – edible fruit and leaves, ground cover
• Wild garlic or three-cornered leek allium triquetrum - edible leaves and bulbs, ground cover
• Wild Leek allium ampeloprasum – Whole plant edible
• Chives allium schoenoprasum – edible leaves, ground cover
• Mallow malva – edible leaves, flowers and seeds
• Asparagus (wild & cultivated) asparagus officinialis – edible shoots
• Wild beet beta vulgaris – edible leaves and stalks
• Wild rocket diplotaxis tenuifolia – edible leaves, ground cover
• Bellflower campanula (5 species: c. latifolia, c. rapunculus, c. glomerata, c. carpatica, c. medium) – edible flowers and leaves, bee plants
• Red Valerian centranthus rubber  - edible leaves, bumble bee plant
• Bugle ajuga reptans – medicinal uses, bee plant
• Cardoon cynara cardunculus – ground cover, edible stalks and flower buds (to sow)
• Fennel foeniculum vulgare – edible leaves and seeds, beneficial insect attractant, nutrient accumulator
• Lemon balm Melissa officinalis – edible leaves, medicinal
• Lungwort pulmonaria oficinalis – edible leaves and flowers, medicinal, ground cover, nutrient accumulatore
• Periwinkles vinca minor – medicinal, ground cover
• Good King Henry chenopodium bonus-henricus – edible leaves, nutrient accumulator
• Lamb’s Quarter chenopodium album – edible leaves, nutrient accumulator
• Chicory cicorium intybus (various cultivated and wild varieties) – edible leaves, nutrient accumulator
• Purslane portulaca oleracea – edible leaves, ground cover
• Wild parsley anthrisiscus sylvestris – edible leaves and roots, nutrient accumulator
• Wild Carrot daucus carota – edible leaves and root, nutrient accumulator
• Ground Ivy glechoma hederacea  - edible leaves, ground cover
• Lovage levisticum officinale – edible leaves, attracts beneficial insects, nutrient accumulator
• Hollyhock alcea – edible leaves and flowers, bee plant
• Bracken pteridum aquilinum – edible shoots, ground cover
• Polypody polypodium vulgare - roots as sugar substitute, medicinal, ground cover, nutrient accumulator
• Mint menta (various species) – edible leaves, attracts beneficial insects repels pests.
• Watercress nasturtium officinale – edible leaves and stems
• Oregano origanum vulgare – edible leaves and flowers, ground cover
• Wood sorrel oxalis acetosella – edible leaves, ground cover, nutrient accumulator
• Garlic Mustard alliaria petiolata – edible leaves and seeds
• Black Mustard brassica nigra – edible leaves and seeds, nutrient accumulator
• Plantains, Ribwort and Greater plantago lanceolata, p. major – medicinal uses nutrient accumulator
• French Scorzanera reichardia picroides – edible leaves and roots, nutrient accumulator
• Sorrel rumex acetosa – edible leaves, nutrient accumulator
• Dock rumex pulcher, r. obtusifolius, r. crispus – edible leaves, nutrient accumulators
• Salad Burnet sanguisorba minor – edible leaves
• Scorzanera scorzanera hispanica – edible roots and leaves
• Dandelion taraxacum officinale – edible leaves and flowers, medicinal, nutrient accumulator.
• Stinging Nettle urtica dioica – edible shoots, medicinal, ground cover, insect attractant (butterflies), mineral accumulator, fibre plant
• Sweet violet viola odorata – edible leaves and flowers, ground cover
• Jerusalem Artichoke helianthus tuberosis – edible tubers, attracts bees, stems as support poles, wind break
• Primrose primula vulgaris – edible leaves and flowers, ground cover, bee plant
• St. John’s Wort hypericum perforatum – medicinal, tea substitute, bee plant, dye
• Goldenrod solidago virgaurea – medicinal uses, mineral accumulator, attracts beneficial insects
• Feverfew tanacetum parthenium – medicinal plant, attracts beneficial insects
• Comfrey symphtum officinalis – edible leaves, medicinal, nutrient accumulator, nitrogen fixing, ground cover, bee plant
• Red clover trifolium pratense – edible leaves and flowers, nitrogen fixing, ground cover
• Campion silene vulgaris – edible leaves
• Cat’s Ear hypochoeris radicata – edible leaves
• Cowslip primula vera – edible leaves and flowers, medicinal
• Daisy bellis perennis – edible leaves and flowers, ground cover
• Tuberous Hawkbit leontodon tuberosis – edible leaves and roots, nutrient accumulator
• Hawk’s Beard crepis leontodontoides – edible leaves
• Mugwort Artemisia vulgaris – medicinal, edible, ground cover, nutrient accumulator, weed suppressant
• Navelwort umbilicus rupestris – edible leaves
• Bristly Ox-Tongue picris echioides – edible leaves
• Pellitory-of-the-Wall parietaria officinalis – edible leaves, medicinal, ground cover
• Sow Thistle sonchus oleraceus – edible leaves, nutrient accumulator
• Yellow Toadflax linaria vulgaris – edible flowers, nutrient accumulator, bee and butterfly plant, dye
• Thyme thymus – edible leaves, aromatic, bee plant
• Yarrow achillea millefolium – medicinal, edible, nutrient accumulator, attracts beneficial insects, ground cover

Annual and Biennial Ground Cover Level

• Borage borago officinalis – edible leaves and flowers, nutrient accumulator,  bee attractant
• Burdock arctium lappa – edible roots, medicinal, nutrient accumulator, bee and butterfly plant
• Chickweed stellaria media – whole plant edible, ground cover
• Grape Hyacinth muscari botryoides – edible bulbs
• Amaranth amaranthus alba – edible leaves and seeds, nutrient accumulator, breaking up hard soils, traps leaf miners, harbours beneficial ground beetles.
• Field marigold calendula arvensis – edible and medicinal, attracts beneficial insects, repels root nematodes
• Poppy papaver rhoeas – edible seeds, dye
• Shepherd’s Purse capsella bursa pastoris – edible leaves and seeds
• Marigold calendula officinalis - edible flowers and leaves, attracts beneficial insects
• Broad Beans - edible seeds, nitrogen fixing
• a number of other annual vegetables during their various seasons, incl. tomatoes (up to 15 heritage varieties), tomatillos, peppers (some 15 varieties), aubergines, various brassica etc...

Climbers

• Black Bryony tamus communis – edible young shoots
• Goosegrass gallium asparine – edible shoots
• Kiwi - edible fruit
• Grapes vitis vinifera – edible grapes, edible leaves
• Old Man’s Beard clematis vitalba – young shoots edible

That's 124 species not counting the annual vegetables and everything I have forgotten.  Come spring, no doubt I'll find a few more things springing up that I have forgotten about and I'll be planting and sowing more.