Yellow Nutsedge

Cyperus esculentus

Perennial with a triangular stem

Part of the Cyperaceae or Sedge Family[image]

Barnyardgrass

Echinochloa crus-galli

No ligule or auricle: "naked grass"

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Yellow Foxtail

Setaria pumila

Non-round stem with hairy ligule

Know seed shape- larger than green foxtail.

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Green Foxtail

Setaria viridis

Round stem and non-hairy ligule

 Know seed shape and size- smaller than yellow

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Witchgrass

Panicum capillare

Very hairy all over. Heads are more compact than Fall Panicum. Look like witch broom. 

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Fall Panicum

Panicum dichotomiflorum

More branched and spaced out heads.

Hairy/fringed ligule. 

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Velvetleaf

Abutilon theophrasti

Soft, velvety, heart shaped leaves.

Mitten (heart-ish) shaped seeds that are similar to but larger than venice mallow seeds.

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Wild Buckwheat

Polygonum convolvulus

Spade shaped, pointy leaves. 

Base of leaves point inward. Presence of ochrea makes it different from field bindweed.

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Field Bindweed

Convolvulus arvensis

Does not have an ochrea. Cute little white flowers. Small football shaped seeds. 

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Redroot Pigweed

Amaranthus retroflexus

Thick stem. Prominant seed head. 

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Common Purslane

Portulaca oleraceae

Very moist and water-holding. Milky sap.

Very waxy leaves.

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Common Lambsquarter

Cheonopodium album

Serated leaves. 

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Leafy Spurge

Euphorbia esula

Noxious weed in SD. 

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Canada Thistle

Cirsium arvense

Very serrated leaves. Purple blossom. 

Noxious in SD

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Perennial Sow Thistle

Sonchus arvensis

Taller than dandelion. Noxious in SD.

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Hoary Cress

Cardaria draba

Noxious in SD. Scroll down. 

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Russian Knapweed

Centaurea repens

Cute purple heads. Noxious in SD.

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Purple Loosestrife

Lythrum salicaria

Noxious in SD. SO PRETTY!!!

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