Horseweed (Marestail) – Conyza canadensis
This factsheet will help you identify horseweed (marestail) – Conyza canadensis, a common weed in pastures and other settings.
Weeds & Invasive Plants
Weeds and invasive plants can out-compete our desired plants, reduce the attractiveness of our landscapes, and even cause physical harm to people and animals. Identifying and understanding the life cycle of weeds can be important in determining the best control methods and protecting our native landscapes.
Featured Articles
Common Weed Seedlings of the North Central States
This detailed, illustrated guide will help you identify 54 of the most common problem weed species in the north central region of the United States. It is divided into two main sections: grass and grass-like weeds and broadleaf weeds.
Wild Parsnip
Wild parsnip (Pastinaca sativa) is an aggressive Eurasian member of the carrot family that grows in sunny areas and tolerates dry to wet soil types. Very invasive, it can overtake roadsides and fields. Contact with this plant can cause severe skin blisters and permanent scarring. Learn how to identify and control this invasive plant in this factsheet.
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Articles
Hoary Alyssum – Berteroa incana
This factsheet will help you identify hoary alyssum – Berteroa incana, a common weed in pastures and other settings.
Giant Ragweed – Ambrosia trifida
This factsheet will help you identify giant ragweed – Ambrosia trifida, a common weed in pastures and other settings.
Giant Foxtail – Setaria faberi
This factsheet will help you identify giant foxtail – Setaria faberi, a common weed in pastures and other settings.
Galinsoga – Galinsoga quadriradiata
This factsheet will help you identify galinsoga – Galinsoga quadriradiata, a common weed in pastures and other settings.
Curly Dock – Rumex crispus
This factsheet will help you identify curly dock – Rumex crispus, a common weed in pastures and other settings.
Common Ragweed – Ambrosia artemisiifolia
This factsheet will help you identify common ragweed – Ambrosia artemisiifolia, a common weed in pastures and other settings.
Common Mullein – Verbascum thapsus
This factsheet will help you identify common mullein – Verbascum thapsus, a common weed in pastures and other settings.
Common Lambsquarters – Chenopodium album
This factsheet will help you identify common lambsquarters – Chenopodium album, a common weed in pastures and other settings.
Common Chickweed – Stellaria media
This factsheet will help you identify common chickweed – Stellaria media, a common weed in pastures and other settings.
Common Burdock – Arctium minus
This factsheet will help you identify Common burdock – Arctium minus, a common weed in pastures and other settings.
Comfrey – Symphytum officinale
This factsheet will help you identify comfrey – Symphytum officinale, a common weed in pastures and other settings.
