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Herb robert Geranium robertianum with one leaf scarlet and red stems clear, along with pink flowers and seed pods

Holly Ilex aquifolium leaves with a cluster of red berries at the centre

Iris in gravel with blue petals

Honeysuckle Lonicera periclymenum plant with flower and red berries and elephant hawkmoth Deilephila elpenor visiting the flower with proboscis outstretched

Honeysuckle Lonicera periclymenum in flower, flushed pink, with detail of the shiny red berries

Hop Humulus lupulus fruit with leaves

Horse Chestnut Aesculus hippocastanum twig and conker with fruit peeping out from the spiky seed cover

Horse Chestnut Aesculus hippocastanum flowering spike or candle

Horseshoe vetch Hippocrepis comosa with wiggly seed poda and yellow flowers

Hostas Funkia in flower growing in a large blue and white china pot

Intermediate Hook moss Scorpidium cossonii with individual fascicle and one leaf

Italian Rye grass Lolium multiflorum and individual spikelet

Ivy Hedera helix sprig and black berries

Ivy leaf Hedera helix one lone leaf

Hemlock Water dropwort Oenanthe crocata with details of the roots, of an individual leaf, and of one flower and one fruit

Ivy leaved toadflax Cymbalaria muralis in flwoer

Hares tail Cottongrass Eriophorum vaginatum with cross section of stem and lead along with several flowering spikes details

Hawkbit Leontodon hispidus

Hawthorn Crataegus monogyna sprig of blossom and detail of shiny red berries

Hazel Corylus avellana sprig with immature and mature hazel nuts, along with a sprig with small female flowers and catkins

Hazel Corylus avellana twig, catkins and leaf

Hazel Corylus avellana tree pen and ink drawing of the shape of the thicket without leaves

Heath Bedstraw Galium saxatile showing lateral spreading growth and individual leaf detail. Fruits and flowers shown

Heath rush Juncus squarrosus with detail of fruit and on cross section of a leaf