Italy

Mercuryweed

Acalypha virginica

Creeping Prickly-Pear

Opuntia humifusa

Calingale

Cyperus odoratus

Awned Cyperus

Cyperus squarrosus

Rose glorybower

Clerodendrum bungei

Mexican bush sage

Salvia leucantha

Canada spikesedge

Eleocharis geniculata

purple spikerush

Eleocharis atropurpurea

Seashore vervain

Verbena litoralis

Caracus wigandia

Wigandia urens

Japanese Hop

Humulus scandens

Healing-leaf-tree

Solanum giganteum

Chinese gall

Rhus chinensis

Gracemere-pear

Opuntia streptacantha

Orangeberry nightshade

Solanum lanceolatum

Watkins fig

Ficus watkinsiana

Black bamboo

Phyllostachys nigra

Indian thorny bamboo

Bambusa bambos

henequen

Agave fourcroydes

Oxtongue

Picris rhagadioloides

Japanese jasmine

Jasminum mesnyi

Greenstem forsythia

Forsythia viridissima

Silkvine

Periploca graeca

Dwarf lilyturf

Ophiopogon japonicus

Greek dock

Rumex cristatus

Serrated tussock grass

Nassella trichotoma

creeping saxifrage

Saxifraga stolonifera

Bridal broom

Retama monosperma

African asparagus fern

Asparagus asparagoides

Slender false garlic

Nothoscordum gracile

Clasping heliotrope

Heliotropium amplexicaule

Lesser Milk-vetch

Astragalus odoratus

Japanese wisteria

Wisteria floribunda

Pygmyweed

Crassula tetragona

Himalayan knotweed

Koenigia polystachya

Persian buttercup

Ranunculus asiaticus

Blue Marsh Violet

Viola cucullata

violet horned-poppy

Roemeria hybrida

Harpoon weed

Asparagopsis armata

Madeira ivy

Hedera canariensis

Schweinitz's cyperus

Cyperus schweinitzii

Kleberg's bluestem

Dichanthium annulatum

Cast iron plant

Aspidistra elatior

Petunia

Petunia atkinsiana

black-flag

Ferraria crispa

Brown Fruit Rot

Monilinia fructicola

Graphiola phoenicis

Asian kelp

Undaria pinnatifida

Root rot

Phytophthora quercina

Phytophthora nicotianae