Plants with yellow or green flowers and opposite leaves - all habitats


Adoxa moschatellina

(Moschatel)

Ambrosia artemisiifolia

(Annual Ragweed)

Ambrosia psilostachya

(Perennial Ragweed)

Anemone virginiana

(Tall Anemone)


Arnica chamissonis

(Leafy Arnica)

Arnica cordifolia

(Heart-Leaved Arnica)

Arnica fulgens

(Shining Arnica)

Asclepias viridiflora

(Green Milkweed)


Atriplex hortensis

(Garden Orache)

Bidens beckii

(Water-marigold)

Bidens cernua

(Nodding Beggarticks)

Bidens frondosa

(Common Beggarticks)


Bidens vulgata

(Tall Beggarticks)

Coreopsis tinctoria

(Tickseed)

Crepis runcinata

(Scapose Hawk's-Beard)

Diervilla lonicera

(Bush Honeysuckle)


Dyssodia papposa

(Fetid-Marigold)

Galium triflorum

(Sweet-Scented Bedstraw)

Helianthus maximiliani

(Narrow-Leaved Sunflower)

Helianthus nuttallii

(Common Tall Sunflower)


Helianthus pauciflorus
ssp. subrhomboideus

(Beautiful Sunflower))

Helianthus petiolaris

(Prairie Sunflower)

Humulus lupulus

(Common Hops)

Iva axillaris

(Poverty-weed)


Listera borealis

(Northern Twayblade)

Listera cordata

(Heart-Leaved Twayblade)

Lonicera dioica

(Twining Honeysuckle)

Lonicera involucrata

(Involucrate Honeysuckle)


Lonicera villosa

(Blue Fly Honeysuckle)

Lysimachia ciliata

(Fringed Loosestrife)

Lysimachia thyrsiflora

(Tufted Loosestrife)

Madia glomerata

(Tarweed)


Mimulus glabratus

(Smooth Monkey Flower) 

Mimulus guttatus

(Yellow Monkey Flower)

Neoholmgrenia andina

(Upland Evening Primrose)

Paronychia sessiliflora

(Low Whitlowwort)


Picradeniopsis oppositifolia

(Opposite-Leaved Bahia)

Rhinanthus minor

(Yellow Rattle)

Shepherdia argentea

(Silver Buffaloberry)

Shepherdia canadensis

(Canada Buffaloberry)


Silene drummondii

(Drummond's Cockle)

Stellaria calycantha

(Northern Stichwort)

Urtica dioica

(Stinging Nettle)