Some resources that have comprehensive weed identification charts are the Scotts Lawn Company, the University of Maryland College of Agriculture and Natural Resources, and Penn State College of Agricultural Sciences. The... More »

To identify weeds, examine the stem, leaves and any fruits produced by the plant. Some weeds also have thorns or flowers that can be used to identify the plant. More »

A seed identification chart allows you to determine the species and type of seed by visual cues such as color, size and shape of the seed. Typically a seed identification chart is organized alphabetically or by seed size... More » Science Biology Botany
similar articles

As of September 2015, the Penn State College of Agricultural Sciences, National Geographic and Discovery News websites display images of different types of bugs. Penn State's insect image gallery offers the option of vie... More » Pets & Animals Bugs

As a general rule, freezing fresh potatoes is not recommended, according to the Penn State College of Agricultural Sciences. The water in a potato separates from the starch during freezing, so the potato has a watery tex... More » Food Food Facts

While many types of coliform bacteria present in well water are harmless, dangerous coliform bacteria cause fever, diarrhea, abdominal cramps and other forms of gastrointestinal upset, according to Penn State College of ... More » Health Conditions & Diseases

Carpenter bees make nests in wood by drilling round holes that are about 1/2-inch in diameter and 1-inch long, according to Penn State College of Agricultural Sciences. Carpenter bees often make their nests in telephone ... More » Pets & Animals Bugs Stinging Insects