Weeds and Their Control: Cow Parsley (Anthriscus sylvestris)
Karen Also called wild chervil, this herbaceous biennial or short lived perennial is a native of Europe, western Asia and parts of Africa but is a common weed in parts of…
Weeds and Their Control: Sessile Joyweed (Alternanthera sessilis)
This perennial weed is a member of the amaranth family (Ameraceae) that includes spinach, celosia, and alligator weed. It appears to be native to tropical and tropical regions of the…
Weeds and Their Control: Dollarweed (Hydrocotyle umbellate)
Dollarweed, also known as marsh/water pennywort, is a perennial aquatic weed native to North and South America. It can be found in southeastern US where it grows on beach dunes,…
Weeds and Their Control: Hairy Bittercress (Cardamine hirsute)
Also called flickweed, this annual weed is native to Europe and Asia but is widespread in the US and Canada. It grows in sun or shade and in damp or…
Weeds and Their Control: Yellow foxtail (Setaria glauca)
This warm-season annual weed originated in Africa but has spread throughout Eurasia and North America . It is found throughout the US where it often invades moist fertile lawns, croplands,…
Weeds and Their Control: Mousetail (Myosurus minimus)
A member of the buttercup family (Ranunculaceae), mousetail is an annual native to the Northern Hemisphere including North America, Europe, Asia and north Africa. It prefers light shade and moist…
Weeds and Their Control: Nimblewill (Muhlenbergia schreberi)
Nimblewill is a perennial grass native to eastern North America where it grows in moist partially shaded areas such as open woodland. It does particularly well in disturbed areas and…
Weeds and Their Control: Dallis Grass (Paspalum dilatatum)
Dallisrass, also called sticky heads, is a coarse textured, tufted, perennial grass native to Brazil and Argentina where it grows in moist disturbed sites such as pastures, lawns, and golf…
Weeds and Their Control: Dead Nettle (Lamium purpurea)
Dead nettle is a winter annual that is native to Europe and Asia. It is a member of the mint family (Lamiaceae ) that includes herbs such as basil, lavender,…
Weeds and Their Control: Spiny Pigweed (Amaranthus spinosus)
Spiny pigweed is an annual native to tropical America but has spread into the eastern US and California where it inhabits disturbed areas including cultivated fields, roadsides, and lawns. In…