A-B

Weeds: Annual bluegrass

Weeds: Annual bluegrass Categories: A-B Grasses Weeds Last review date: 2026-07-07 05:53 Scientific name: Poa annua Family: Poaceae (Graminae) Cycle: Annual/Perennial Plant type: Grass Other Common Names: Annual meadow grass, Low spear grass, Meadow grass, Six-week grass, Annual blue Annual bluegrass Photo by: T. Miller Biology Annual bluegrass leaves are folded in the bud and […]

Annual bluegrass seed head.

Weeds: Barnyardgrass

Weeds: Barnyardgrass Categories: A-B Grasses Weeds Last review date: 2026-07-07 09:56 Scientific name: Echinochloa crus-galli Family: Poaceae (Graminae) Cycle: Summer annual Plant type: Grass Other Common Names: Barnyard millet Barnyardgrass Photo by: J.A. Kropf Biology Barnyardgrass grows in clumps up to five feet tall. Leaf blades are smooth, flat, and broad (about 1⁄2 inch or […]

Barnyardgrass.

Weeds: Bentgrass, creeping

Weeds: Bentgrass, creeping Categories: A-B Grasses Weeds Last review date: 2026-07-07 10:05 Scientific name: Agrostis stolonifera Family: Poaceae (Graminae) Cycle: Perennial Plant type: Grass Other Common Names: Carpet bentgrass, Creeping bent, Fiorin Spreading bent Creeping bentgrass Photo by: B.M. Johnson Biology Creeping bentgrass is a low-growing, perennial grass. Unmowed plants can reach 8 to 20 […]

Creeping bentgrass.

Weeds: Bermudagrass

Weeds: Bermudagrass Categories: A-B Grasses Weeds Last review date: 2026-07-07 10:13 Scientific name: Cynodon dactylon Family: Poaceae (Graminae) Cycle: Perennial Plant type: Grass Other Common Names: Bermuda Grass, Hybrid Bermudagrass Bermudagrass blades Photo by: D.G. Swan Biology Bermudagrass is a warm-season perennial grass that typically is prostrate and spreads to form dense patches. Spread occurs […]

Bermudagrass blades.

Weeds: Birdfoot Trefoil

Weeds: Birdfoot Trefoil Categories: A-B Broadleaf Weeds Last review date: 2026-07-07 10:19 Scientific name: Lotus corniculatus Family: Fabaceae Cycle: Perennial Plant type: Broadleaf Other Common Names: Common bird’s-foot trefoil, Eggs and bacon, Birdsfoot deervetch Birdfoot Trefoil flowers Photo by: Albert Herring CC 2.0 Biology Lotus corniculatus can be identified by its unique shaped leaves that […]

Birdfoot Trefoil flowers.

Weeds: Bittercress

Weeds: Bittercress Categories: A-B Broadleaf Weeds Last review date: 2026-07-07 10:30 Scientific name: Cardamine hirsuta Family: Brassicaceae (Cruciferae) Cycle: Winter annual Plant type: Broadleaf Other Common Names: Flick Weed, Hairy Bittercress, Hoary Bittercress, Lamb’s Cress, Land Cress, Shot Weed, Springcress Hairy bittercress rosette (1) Photo by: T.W. Miller Biology Little bittercress is a fall/winter-germinating annual […]

Hairy bittercress rosette - 1.

Weeds: Bittersweet nightshade

Weeds: Bittersweet nightshade Categories: A-B Broadleaf Weeds Last review date: 2026-07-07 10:36 Scientific name: Solanum dulcamara Family: Solanaceae Cycle: Perennial Plant type: Broadleaf Other Common Names: Blue Blindweed, Blue Nightshade, Climbing Nightshade, Devil’s Apple, European Bittersweet, Fellonwort Bittersweet nightshade fruits Photo by: T.W. Miller Biology Bittersweet nightshade is a trailing to climbing, viny plant with […]

Bittersweet nightshade fruits.

Weeds: Black Locust

Weeds: Black Locust Categories: A-B Broadleaf Weeds Last review date: 2026-07-14 12:13 Scientific name: Robinia pseudoacacia Family: Fabaceae (Leguminosae) Cycle: Perennial Plant type: Broadleaf Other Common Names: False Acacia, Green Locust, Pea Flower Locust, White Locust, Yellow Locust Black locust flowers Photo by: Richard Webb, Bugwood.org Biology Black Locust is a deciduous, flowering tree. It […]

Weeds: Black medic

Weeds: Black medic Categories: A-B Broadleaf Weeds Last review date: 2026-07-07 10:44 Scientific name: Medicago lupulina Family: Fabaceae (Leguminosae) Cycle: Annual Plant type: Broadleaf Other Common Names: Black Clover, Black Nonesuch, Hop Clover, Trefoil, Yellow Trefoil Black medic stem and leaves Photo by: T.W. Miller Biology Black medic is very clover-like in appearance and is […]

Black medic stem and leaves.

Weeds: Blackberry

Weeds: Blackberry Categories: A-B Broadleaf Weeds Last review date: 2026-07-07 10:49 Scientific name: Rubus spp. Family: Rosaceae Cycle: Perennial Plant type: Broadleaf Other Common Names: Himalayan blackberry, Evergreen blackberry, Pacific blackberry Blackberry fruit Photo by: T.W. Miller Biology Several species of blackberries may be considered weeds. Among these are evergreen or cutleaf blackberry (Rubus laciniatus), […]

Blackberry fruit.