We use cookies to make your experience better. To comply with the new e-Privacy directive, we need to ask for your consent to set the cookies. Learn more.
Weeds
Latin Name: Richardia Scabra
Common Name: Florida Pusley
Other Names: Rough Mexican-clover
Pest Details
Origin:
Considered native to South America, but found commonly in the southeast United States and into the northeast, in Hawaii and Puerto Rico, and throughout Central America.
Biology:
A summer annual which reproduces by seeds. Growth is prostrate and spreading, forming thick patches over turf or other sites. Commonly found in dry, disturbed locations as well as turf.
Identification:
Mature plants remain low to the ground due to the spreading habit. Many stems arise from the base and form numerous branches. Stems and leaves are hairy, and the leaves are opposite, oval, and somewhat thickened. They attach to the stems without petioles. The roots of the plant are not thickened, distinguishing it from Brazil pusley. Flowers occur in small clusters at the ends of the stems, on short stalks that give
Latin Name: Polygonum Cilinode
Common Name: Fringed Black Bindweed
Other Names: Fringed bindweed, black-fringe bindweed
Pest Details
Origin:
A native vine found in the states east of the Mississippi and in Minnesota, but not generally in the extreme southern states.
Biology:
Considered an endangered plant in Indiana, Ohio, and Tennessee, but a very common and somewhat invasive roadside and forest plant in some other areas. A perennial plant that grows vine-like over the soil or over other vegetation, often to the point of covering other plants.
Identification:
This vine is found in forested environments. The reddish stems are weak and twining and may be many feet in length. Leaves are distinctly heart shaped, shiny green to yellow-green, and up to 3 inches in length. The flowers are borne in elongated clusters about 3 to 4 inches in length, on stalks that arise from the base of the leaves. Each flower is white
Latin Name: Cyperus Croceus
Common Name: Globe Sedge
Other Names: Baldwin’s flatsedge
Pest Details
Origin:
A native plant in eastern North America, occurring from Pennsylvania south throughout Florida, and west to Texas, Oklahoma and Missouri. It also occurs in Latin America and the West Indies as well as eastern Asia.
Biology:
A perennial reproducing from seeds and spreading with rhizomes. A common weed in turf and landscape, as well as many other moist to dry habitats along roadsides or waste areas.
Identification:
Plants form dense tufts of stems and leaves at the base, and leaf blades are flat, smooth, and fairly stiff, allowing them to grow erect and not drooping. At the end of the stem several additional flattened leaves are produced laterally, and a number of short to long stalks also are produced which terminate in the flower heads. These are round to oval clusters of seeds about ½ inch in diameter.
Latin Name: Solidago Spp.
Common Name: Goldenrod
Other Names: N/A
Pest Details
Origin:
Over 150 species of goldenrod occur in North America, and some will be found in every state including Hawaii, throughout Canada and into Latin America and the West Indies. Many of the species are native plants in North America.
Biology:
The plants in this genus are perennials that reproduce from seeds and rhizomes. While a moist habitat is preferred by the plants they will occur in nearly any habitat, from turf to roadsides, nurseries, waste areas, fields and pastures and in ditches. Flowering occurs from mid-summer till late fall.
Identification:
The general appearance of the many species is very similar. Plants are erect and can be as tall as 6 to 7 feet. Large colonies will occur because of the growth from the spreading rhizomes. Each stem is unbranched until the flower heads. Leaves are alternate and lance-shaped with pointed tips,
Latin Name: Eleusine Indica
Common Name: Goosegrass
Other Names: Silver crabgrass, wire-grass, yard-grass, crowfoot grass, crows-foot grass, bullgrass
Pest Details
Origin:
Introduced from Europe, but now found throughout most of the United States.
Biology:
A summer annual grass, with seeds germinating in early to mid-summer when soil temperatures exceed 65 degrees F. It germinates several weeks later than crabgrass, requiring the slightly warmer soil temperatures.
Identification:
Mature plants grow as tall as 3 feet, with a spreading characteristic at the base and numerous stems. It does not root at the nodes that may touch the soil. Leaf blades are folded at the midvein and may be 1/4 inch wide by up to 8 inches long. Leaf surfaces are either smooth or sparsely hairy, with a rough feel to the edges. Several leaves may arise near the same point on the stem, and their sheaths overlap. The collar at the
Latin Name: Setaria Viridis
Common Name: Green Foxtail
Other Names: Bottle grass, green bristle grass, pigeon grass, wild millet
Pest Details
Origin:
Native to Europe, now common throughout much of the United States, especially in cooler climates. A particular problem in alfalfa fields, but also occurring in other row crops, along roadsides, waste areas, and in landscape.
Biology:
A summer annual grass weed. Seeds germinate in early spring and plants mature throughout the summer months.
Identification:
Mature plants form large clumps due to the extensive branching and multiple stems arising from the base. These stems characteristically bend at the lower joint, and may grow as high as 2.5 feet. Leaves are flattened, usually no more than around 6 inches long, and are a hairless, shiny green on both upper and lower surfaces. The collar region where the leaf base surrounds the stem may be tinged reddish. Flower spikes
Latin Name: Glechoma Hederacea
Common Name: Ground Ivy
Other Names: Gill-over-the-ground, creeping Charlie, cats-foot, field balm, hay-maids
Pest Details
Origin:
Native to Eurasia, but introduced to North America as a garden and herbal plant. It now is found throughout North America to Alaska, with the exception of the dry southwestern states of Nevada, Arizona, and New Mexico.
Biology:
A perennial that reproduces by seeds, but more commonly it spreads by creeping stems that root at their nodes and by rhizomes. In warmer climates plants remain green throughout the year, while in colder areas foliage dies back and new growth emerges from the roots and rhizomes. Stems are prostrate along the soil, capable of forming dense mats of growth that crowd out other vegetation. A strong mint-like odor is given off by damaged plant parts. A common problem in turf and landscaped areas, especially where shaded.
Identification:
Latin Name: Lamium Amplexicaule
Common Name: Henbit
Other Names: Dead nettle, blind nettle, bee nettle, giraffe head.
Pest Details
Origin:
Native to Europe, but now spread throughout North America.
Biology:
A winter annual broadleaf. Found in turf and landscapes, orchards or nurseries, and in many crop settings. In favorable environments it may act as a biennial or even a short-lived perennial. Reproduction is from seed, with seedlings emerging in both fall and very early spring, when soil temperatures are cool and moisture is available.
Identification:
Mature plants generally grow no taller than about 1 foot. Stems begin growth lying close to the ground, but then curve and grow upright. The sections of the stem touching the ground may root at the nodes. Stems are somewhat square, green to purple, and hairless. Leaves are less than 1 inch long and are broadly oval with scalloped edges. They are opposite
Latin Name: Solanum Carolinense
Common Name: Horsenettle
Other Names: Bull nettle, apple-of-Sodom, wild tomato, devil’s tomato, devil’s potato, sand briar
Pest Details
Origin:
Native to the southeastern United States, but now spread from coast to coast and occurring in almost every state, as well as into southern Canada.
Biology:
A perennial plant that reproduces from seeds, but commonly spreads by rhizomes that can sprout as far away as 3 feet from the parent plant. All parts of the plant contain toxic glycoalkaloid solanine and may cause gastrointestinal problems if ingested. However, due to the spiny nature of the leaves and stems the plants are not often eaten by livestock. Plants thrive in sandy or gravelly soils, but may be a problem in many kinds of crops as well as along roadsides or in disturbed sites.
Identification:
Mature plants can be as tall as 3 feet and tend to grow in an upright manner,
Latin Name: Conyza Canadensis
Common Name: Horseweed
Other Names: Mare’s tail, colt’s tail, cow’s tail, butter-weed, pride-weed, Canada fleabane, fleabane
Pest Details
Origin:
Native to North America and widely distributed throughout the continent.
Biology:
A winter or summer annual with seeds geminating in the summer or fall to form a basal rosette of leaves. As the stem elongates these basal leaves tend to deteriorate. The central stalk of the plant can grow over 6 feet tall as a thick, strong stem that persists well into the winter. Reproduction is only from seeds, and plants grow easily in almost any soil condition, including cultivated crops. It is a common and conspicuous roadside weed that forms dense forests of the tall plants.
Identification:
Mature plants have a tall central stem that is very hairy and has a bristly feel to it, with extensive short branches along the upper half. Leaves are