United Kingdom

Ripgut Brome

Bromus rigidus

River Maple

Acer saccharinum

Roadside pepperweed

Lepidium ruderale

roble beech

Nothofagus obliqua

Rock ragwort

Senecio rupestris

Rockspray

Cotoneaster horizontalis

Roman Chamomile

Chamaemelum nobile

Roman nettle

Urtica pilulifera

Roman snail

Helix pomatia

Root rot

Phytophthora cinnamomi

Rose Clover

Trifolium hirtum

rose evening-primrose

Oenothera rosea

rose leafhopper

Edwardsiana rosae

Rose monkswort

Nonea rosea

Rose-of-Sharon

Hypericum calycinum

Crown Daisy

Glebionis coronaria

Persian walnut erineum mite

Aceria erinea

rough top shell

Jujubinus exasperatus

Rough-Fruit Amaranth

Amaranthus tuberculatus

rough-stalk witchgrass

Panicum hirticaule

Roundleaf geranium

Geranium rotundifolium

Round-leaved Cotoneaster

Cotoneaster rotundifolius

round-leaved fluellen

Kickxia spuria

Round-leaved Saxifrage

Saxifraga rotundifolia

Kotschy's Crocus

Crocus kotschyanus

Melon fly

Bactrocera cucurbitae

Russian Spiraea

Spiraea media

Rufous-gorgeted Flycatcher

Ficedula strophiata

Rufous-legged Owl

Strix rufipes

Nitre Goosefoot

Chenopodium nitrariaceum

sorrel

Oxalis rosea

Concord Grape

Vitis labrusca

Darwin's berberis

Berberis darwinii

Dusty miller

Centaurea cineraria

leatherleaf sedge

Carex buchananii

the sycamore

Acronicta aceris

Forsythia

Forsythia intermedia

Golden Carrot

Daucus aureus

Puccinia lagenophorae

glaucous cotoneaster

Cotoneaster glaucophyllus

Acrothrix gracilis

Panaeolus antillarum

grass-leaf sweet-flag

Acorus gramineus

Tilletia controversa

Endophyllum sempervivi

Erysiphe vanbruntiana

Urocystis occulta

Scrippsiella hangoei

Greenwax golden bamboo

Phyllostachys viridiglaucescens

Erwinia amylovora

Didymascella thujina

Puccinia chrysanthemi

Hartwort

Tordylium maximum

heath fritillary

Melitaea athalia

Sporisorium sorghi

Kaffir boxthorn

Lycium afrum

Phytophthora erythroseptica

Karenia mikimotoi

Rhabdocline pseudotsugae

Monilinia fructigena