Czech Republic

Sand Lucerne

Medicago varia

star-hyacinth

Scilla amoena

Jetbead

Rhodotypos scandens

meadow brome

Bromus riparius

Red brome

Bromus rubens

Ripgut Brome

Bromus rigidus

Green Amaranth

Amaranthus powellii

Rough Marsh-mallow

Althaea hirsuta

Rose monkswort

Nonea rosea

Thatching grass

Hyparrhenia hirta

Japanese Brome

Bromus japonicus

Siberian bugseed

Corispermum pallasii

Hybrid Monk's-hood

Aconitum cammarum

African pepperwort

Lepidium africanum

Berry Fern

Cystopteris bulbifera

Early water grass

Echinochloa oryzoides

Rat tail grass

Sporobolus elongatus

Crown Daisy

Glebionis coronaria

Camelthorn

Alhagi maurorum

Siberian Squill

Scilla siberica

oak-leaf datura

Datura quercifolia

southern bird's-foot trefoil

Lotus ornithopodioides

Yellow crocus

Crocus flavus

Dusty miller

Centaurea cineraria

African mustard

Strigosella africana

Dark Columbine

Aquilegia atrata

Asia minor bluegrass

Polypogon fugax

Ontario goatsbeard

Tragopogon mirabilis

Petunia

Petunia atkinsiana

poley

Teucrium polium

angled clover

Trifolium angulatum

Gmelin's wormwood

Artemisia gmelinii

Atlantic Poison Oak

Toxicodendron pubescens

Armenian marshmallow

Althaea armeniaca

Japanese thistle

Cirsium japonicum

Wine Roundhead

Stropharia rugosoannulata

Pear trellis rust fungus

Gymnosporangium sabinae

Devil's Fingers

Clathrus archeri

Red Stinkhorn

Mutinus ravenelii

American Gooseberry Mildew

Podosphaera mors-uvae

Alder rust

Melampsoridium hiratsukanum

Sphaeropsis blight

Sphaeropsis sapinea

Entoleuca mammata

Rhabdocline pseudotsugae

Erysiphe flexuosa

Erysiphe syringae

Erysiphe vanbruntiana

Puccinia lagenophorae

Macrophomina phaseolina

Erysiphe azaleae

Erysiphe palczewskii

Sudden oak death

Phytophthora ramorum

Phytophthora Disease of Alder

Phytophthora alni

Didymo

Didymosphenia geminatum

Phytophthora cambivora

Phytophthora citricola

Frustulia weinholdi

Cyanobacterium

Cylindrospermopsis raciborskii

Erwinia amylovora

Synechococcus capitatus