Switzerland

Mercuryweed

Acalypha virginica

Creeping Prickly-Pear

Opuntia humifusa

Three-awned goatgrass

Aegilops neglecta

African-Spinach

Amaranthus cruentus

Prince Of Wales-Feather

Amaranthus hypochondriacus

Garden Arabis

Arabis caucasica

Winter Jasmine

Jasminum nudiflorum

Annual Fleabane

Erigeron annuus

Slimleaf Goosefoot

Chenopodium desiccatum

Hairy-fruited Cornsalad

Valerianella eriocarpa

Barley

Hordeum distichon

Balkan Toadflax

Linaria dalmatica

Aubretia

Aubrieta deltoidea

New Zealand spinach

Tetragonia tetragonioides

Stinking iris

Iris foetidissima

Coreopsis

Coreopsis lanceolata

Belvedere

Bassia scoparia

Trailing Snapdragon

Asarina procumbens

Compact brome

Bromus madritensis

Rock ragwort

Senecio rupestris

Syrian mustard

Euclidium syriacum

Ripgut Brome

Bromus rigidus

creeping saxifrage

Saxifraga stolonifera

Kidney Saxifrage

Saxifraga hirsuta

Rosy Cress

Arabis collina

Nimblewill

Muhlenbergia schreberi

Blue Marsh Violet

Viola cucullata

Siberian Squill

Scilla siberica

butterfly-flower

Iris japonica

Bastard Agrimony

Aremonia agrimonioides

flax

Linum narbonense

Gmelin's wormwood

Artemisia gmelinii

Tragopogon crocifolius

Hollyhock Rust

Puccinia malvacearum

American Gooseberry Mildew

Podosphaera mors-uvae

Mahonia Rust

Cumminsiella mirabilissima

Dutch Elm Disease

Ophiostoma ulmi

Chestnut Blight

Cryphonectria parasitica

Alder rust

Melampsoridium hiratsukanum

Sphaeropsis blight

Sphaeropsis sapinea

Entoleuca mammata

Erysiphe necator

Eutypa lata

Rhabdocline pseudotsugae

Erysiphe flexuosa

Erysiphe syringae-japonicae

Kabatiella caulivora

Erysiphe syringae

Erysiphe vanbruntiana

Puccinia lagenophorae

Macrophomina phaseolina

Erysiphe azaleae

Erysiphe palczewskii

Erysiphe platani

Ramularia collo-cygni

Sudden oak death

Phytophthora ramorum

Phytophthora Disease of Alder

Phytophthora alni

Root rot

Phytophthora quercina

Root rot

Phytophthora cinnamomi

Aphanomyces astaci