Weeds and Their Control: Dallis Grass (Paspalum dilatatum)
Karen 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…
Weeds and Their Control: Redstem filaree (Erodium cicutarium)
Redstem filaree is a member of the geranium family, Geraniaceae, which includes the bedding geranium (Pelargonium spp, as well as true geraniums (Geranium spp.) aka crane’s bills. Redstem filaree is…
Weeds and Their Control: Puncturevine (Tribulus terrestris
Puncturevine, also known as goatshead and devil’s thorn, is an annual that is very widespread in the world and US but is especially adapted to growing in dry climates such…
Weeds and Their Control: Mulberry Weed (Fatoua villosa)
Mulberry weed is an annual in the mulberry family (Moraceae) and a native of East Asia where it lives in wetlands and other moist shaded areas. It appeared in Lousiana…
Weeds and Their Control: Pilewort (Erechtites hieraciifolius )
Also called burnweed and fireweed, pilewort is a summer annual native to the Americas but has been spread around the world. As the name implies, the plant profits from fire…
Weeds and Their Control: Waterweed (Ellisia nyctelea)
The annual weed, also known as Aunt Lucy, is a member of the Waterleaf family (Hydrophyllaceae) and is native to the US where it is found in most states except…
Weeds and Their Control: Annual Knawel (Scleranthus annuus)
Annual knawel is an annual in the pink family ( Caryophyllaceae) and native to Europe, Asia, and North Africa. Also known as German knot weed, it has spread throughout the…
Weeds and Their Control: Lesser Celandine (Ranunculus ficaria)
This attractive herbaceous perennial native to Europe and western Asia was introduced to North America and is considered invasive in many areas. It likes disturbed, moist soil and shady conditions…