ubiquitous names only

Juncus balticus

Baltic rush

Echinochloa crus-galli

Barnyard grass

Panicum capillare

Witchgrass

Setaria viridis

Green foxtail

Vulpia octoflora

Sixweeks fescue

Elymus canadensis

Canada wildrye

Hordeum jubatum

Foxtail barley

Toxicodendron radicans

Poison ivy

Conium maculatum

Poison hemlock

Apocynum cannabinum

Hemp dogbane

Asclepias speciosa

Showy milkweed

Asclepias verticillata

Whorled milkweed

Achillea millefolium

Western yarrow

Conyza canadensis

Horseweed

Erigeron strigosus

Daisy fleabane

Taraxacum officinale

Dandelion

Ambrosia psilostachya

Western ragweed

Ambrosia trifida

Giant ragweed

Coreopsis tinctora

Plains coreopsis

Helianthus annuus

Common sunflower

Rudbeckia hirta

Blackeyed Susan

Vernonia baldwinii

Western ironweed

Descurainia pinnata

Tansy mustard

Kochia scoparia

Kochia

Hypericum perforatum

St Johnswort

Euphorbia marginata

Snow on the mountain

Dalea candida

White prairieclover

Dalea enneandra

Slender dalea

Melilotus officinalis

Yellow sweetclover

Medicago lupulina

Black medic

Oxytropis lambertii

Lambert crazyweed

Monarda fistulosa

Wild bergamot

Penstemon albidus

White penstemon

Verbascum thapsus

Common mullein

Physalis heterophylla

Clammy groundcherry

Verbena stricta

Hoary vervain