Serbia

Stag'S-Horn Sumach

Rhus typhina

Sosnowsky's hogweed

Heracleum sosnowskyi

Black Cherry

Prunus serotina

Bohemian Knotweed

Reynoutria bohemica

Elephant-Ear

Reynoutria sachalinensis

Yellow Star-thistle

Centaurea solstitialis

Manchu tubergourd

Thladiantha dubia

Angled Burr Cucumber

Sicyos angulatus

Pride-of-India

Koelreuteria paniculata

Tape grass

Vallisneria spiralis

Beanpodded Mustard

Chorispora tenella

Paper mulberry

Broussonetia papyrifera

Fleeceflower

Reynoutria japonica

American Ash

Fraxinus americana

Annual Mugwort

Artemisia annua

American Burnweed

Erechtites hieraciifolius

Annual Ragweed

Ambrosia artemisiifolia

Alecost

Tanacetum balsamita

Connate Beggarticks

Bidens connata

Confused Michaelmas Daisy

Symphyotrichum novi-belgii

Carolina fanwort

Cabomba caroliniana

Oakes' evening-primrose

Oenothera oakesiana

Balfour'S Jewelweed

Impatiens balfourii

Mintweed

Salvia reflexa

Silverleaf nightshade

Solanum elaeagnifolium

Blotched Spurge

Euphorbia maculata

Ghostweed

Euphorbia marginata

Smut grass

Sporobolus indicus

European Bur-grass

Tragus racemosus

Slimleaf bur ragweed

Ambrosia tenuifolia

Prostrate pigweed

Amaranthus albus

Chinese Elm

Ulmus pumila

White Broom

Cytisus multiflorus

Firewheel

Gaillardia pulchella

Mountain ironwort

Sideritis montana

Wandering vetch

Vicia peregrina

Common St. Paul's wort

Sigesbeckia orientalis

Pale Sunflower

Helianthus decapetalus

late Michaelmas daisy

Symphyotrichum versicolor

Eastern Line Aster

Symphyotrichum lanceolatum

Laxman’s bulrush

Typha laxmannii

Wild bishop

Bifora radians

Common Michaelmas Daisy

Symphyotrichum salignum

Eyebane

Euphorbia nutans

soldier thistle

Picnomon acarna

Cone-Spur Bladderwort

Utricularia gibba

Carolina mosquitofern

Azolla caroliniana

Creeping Prickly-Pear

Opuntia humifusa

False Flatsedge

Cyperus strigosus

Japanese Hop

Humulus scandens

Annual Fleabane

Erigeron annuus

New Zealand spinach

Tetragonia tetragonioides

Belvedere

Bassia scoparia

Frost Grape

Vitis riparia

rock grape

Vitis rupestris

Early water grass

Echinochloa oryzoides

Dutch elm disease

Ophiostoma novo-ulmi

Cyanobacterium

Cylindrospermopsis raciborskii

Raphidiopsis mediterranea

Raccoon dog

Nyctereutes procyonoides