Description of this invasive tree found in and around New York state includes its distribution range, control methods and photographs.
View photographs of the various stages of development of Poa annua, member of the Poaceae family.
Read a profile of this perennial grass found in wet and cool climates. Includes a photograph.
Find three pictures of this common garden weed whose scientific name is Cyndodon dactylon.
View an enlarging photo of Orobanche ramosa, an invasive plant which taps into the roots of other plants to survive.
Guide to Echinodorus cordifolius includes identification tips and several photographs.
Learn how to identify this stinging obnoxious plant before the pain sets in with this illustrated guide.
Read a description of this aquatic plant that is considered an invasive plant in much of the United States.
Check out images of Medicago polymorpha seedlings and mature plants which can reach two feet long.
Learn how to distinguish Typha from common tule and find photographs of this plant's various stages of development.
Find photos of this deciduous shrub also known as Sesbania punicea. Discover the worldwide effects of this invasive plant.
Guide to Digitaria includes photos of the plants development states and identification tips.
Learn how to identify this lawn and garden infesting weed with photos, leaf illustrations, and a detailed description.
Find photographs of seedlings, flowers and mature dandelions, a perennial weed commonly found in gardens and lawns.
Learn how to identify this parasitic weed that steals water from host plants. Includes photographs.
Examine several photographs of this low-growing annual plant.
Guide to Descurainia sophia incudes photographs and identification tips. Click on an image for a larger image.
View photographs of a seedling and seed of Hordeum jubatum, a plant considered invasive because of its infestation of crops and roadsides.
Study this invasive grass's composition with several close-up photographs. Learn how to distinguish yellow and green foxtal.
Learn to identify this invasive grass, also known as Yorkshire fog, with the help of photographs and a description.
Find photos of this common weed also known as wild barley. Click on an image for a larger version.
Florida Bureau of Invasive Plant Management shares an identification guide to invasive old world and Japanese climbing ferns.
Find out how to identify this broadleaved annual weed with photographs and a detailed description.
Guide to Sorghum halepense details its elaborate root system. Includes a grass identification illustration.
Find pictures of Malva parviflora, a winter annual also known as cheeseweed. Includes a broadleaf identification illustration.
Profile of this invasive plant that infests winter crops in California includes several photos and identification advice..
Profile of this invasive plant also known as dog fennel includes several enlarging photographs.
Learn how to identify this common spiny plant that has taken over much of America's landscape. Includes photographs.
Guide to this parasitic plant includes a close-up photograph of its leaves and flowers.
View photographs of this common weed with and without flowers. Includes a broadleaf identification illustration.
View photos of areas infested with this woody annual plant. Also find its potential and native ranges and control techniques.
Learn how to distinguish a seedling and view photos of Scirpus mucronatus, a perennial sedge.
Find a description of this perennial sedge which is commonly found in irrigation canals in California. Includes photographs.
Discover the germination schedule of this invasive plants. Includes several photographs.
Read a description of this pest plant found in the coastal region of California. Includes photos.
Browse impact assessments, photos and control techniques for this herbaceous plant found in Humbolt County, California.
Nevada Cooperative Extension describes the prolific weed's effects on plant and wildlife communities. Learn how to combat the leafy pest.
Find photos of this yellow flowering plant that has invaded most regions of California.
Description of Abutilon theophrasti includes several enlarging photographs.
Find identification tips for this invasive plant also known as black bindweed. Includes enlarging photos.
Profile of the invasive grass ventenata dubia includes photos, range as an invasive plant, and control techniques.
Examine photographs of Panicum capillare, of the Poaceae family, or read a description.
Guide from the California statewide integrated pest management project details this lifestages of Melilotus officinalis.