Latvia

Erect Brome

Bromus erectus

Iberian knapweed

Centaurea iberica

Desert Goosefoot

Chenopodium pratericola

Slender Russian-Thistle

Salsola collina

Twoscale saltbush

Atriplex micrantha

laurel-leaf poplar

Populus laurifolia

crescent-cup liverwort

Lunularia cruciata

Common stork's bill

Erodium ciconium

Heath Star Moss

Campylopus introflexus

Russian peashrub

Caragana frutex

Watercress-Leaf Rocket

Erucastrum nasturtiifolium

Carrot bur parsley

Caucalis platycarpos

Wild bishop

Bifora radians

Arnold'S Hawthorn

Crataegus submollis

river hawthorn

Crataegus douglasii

Bosc'S Hawthorn

Crataegus flabellata

purple crab apple

Malus purpurea

Greater rockjasmine

Androsace maxima

Desert wheatgrass

Agropyron desertorum

Lion's tail

Chaiturus marrubiastrum

Annual wheatgrass

Eremopyrum triticeum

Annual Wild Rice

Zizania aquatica

Purple Orache

Atriplex sagittata

Teasel clover

Trifolium retusum

Burrweed Marsh-Elder

Cyclachaena xanthiifolia

Alyssum

Alyssum simplex

Tausch's goatgrass

Aegilops tauschii

Paradise Apple

Malus dasyphylla

New Mexico Locust

Robinia neomexicana

Lupine clover

Trifolium lupinaster

Cutleaf stork's bill

Erodium laciniatum

spring groundsel

Senecio vernalis

Annual Fleabane

Erigeron annuus

Slimleaf Goosefoot

Chenopodium desiccatum

Barley

Hordeum distichon

Hoary Stock

Matthiola incana

Clammy Locust

Robinia viscosa

flat-fruit orlaya

Orlaya daucoides

Confused Bridewort

Spiraea pseudosalicifolia

Willow-leaved Dock

Rumex salicifolius

Sand Lucerne

Medicago varia

European Wallflower

Erysimum hieraciifolium

Syrian mustard

Euclidium syriacum

meadow brome

Bromus riparius

Red brome

Bromus rubens

Green Amaranth

Amaranthus powellii

Diffuse wallflower

Erysimum diffusum

sulphurweed

Peucedanum officinale

Indian Knotgrass

Polygonum cognatum

Siberian wheatgrass

Agropyron fragile

sieversian wormwood

Artemisia sieversiana

Japanese walnut

Juglans ailantifolia

Alberta sawwort

Saussurea amara

Bugseed

Corispermum hyssopifolium

silver speedwell

Veronica incana

Nodding sage

Salvia nutans

Pea

Lathyrus pannonicus

angled clover

Trifolium angulatum

Lactuca sibirica

desert alyssum

Alyssum turkestanicum