United Kingdom

Hairy Vetchling

Lathyrus hirsutus

Hardhack

Spiraea tomentosa

Ant

Technomyrmex albipes

Hard Pine

Pinus rigida

Hardy Cyclamen

Cyclamen hederifolium

Hardy fuchsia

Fuchsia magellanica

Hare's ear mustard

Conringia orientalis

Harmal peganum

Peganum harmala

cottony camellia scale

Pulvinaria floccifera

Harris mud crab

Rhithropanopeus harrisii

gleaming lady's mantle

Alchemilla micans

Glaucous-Leaf Tobacco

Nicotiana glauca

Checkerberry

Gaultheria procumbens

Crested Field-speedwell

Veronica crista-galli

Heartleaf madeiravine

Anredera cordifolia

Heart-Pod Hoary Cress

Lepidium draba

Heath Star Moss

Campylopus introflexus

Hedge Barberry

Berberis stenophylla

Hedgehog Clover

Trifolium echinatum

Hedgemustard

Sisymbrium officinale

Hedge Ragwort

Brachyglottis repanda

Hedgerow Crane'S-Bill

Geranium pyrenaicum

hedge snail

Hygromia limbata

Hemp Agrimony

Eupatorium cannabinum

Hepatica

Hepatica nobilis

herb leafhopper

Eupteryx melissae

Herb of the cross

Verbena officinalis

Herb Sophia

Descurainia sophia

Hercules' Club

Aralia elata

Cucurbit Downy Mildew

Pseudoperonospora cubensis

Hexagon Stonecrop

Sedum sexangulare

High Brown Fritillary

Fabriciana adippe

Highclere holly

Ilex altaclerensis

High-climbing jointfir

Ephedra altissima

High mallow

Malva sylvestris

Hilograss

Paspalum conjugatum

Glandular Plantain

Plantago afra

Himalayan blackberry

Rubus armeniacus

glandular crane's-bill

Geranium platypetalum

Himalayan ginger

Hedychium gardnerianum

Himalayan honeysuckle

Leycesteria formosa

Chattonella marina

black line scale

Ischnaspis longirostris

girdled snail

Hygromia cinctella

hispid cotton rat

Sigmodon hispidus

Hispid starbur

Acanthospermum hispidum

Hjelmqvist's cotoneaster

Cotoneaster hjelmqvistii

Hoary alyssum

Berteroa incana

hoary plantain

Plantago virginica

Hoary Stock

Matthiola incana

Hoe nightshade

Solanum physalifolium

hollowroot

Corydalis cava

Hollyberry Cotoneaster

Cotoneaster bullatus

Hollyhock

Alcea rosea

Hollyhock Rust

Puccinia malvacearum

Holly oak

Quercus ilex

Iberian knapweed

Centaurea iberica

Honeyweed

Leonurus sibiricus

Honeyweed

Leonurus japonicus

Charlock mustard

Sinapis arvensis