CAHNRS > Hortsense > Weeds > Weed Photo Gallery > Weed Photo Gallery (A-B) Weed Photo Gallery (A-B) Select a photo below to view associated weed fact sheet. Annual bluegrass – Butterfly bush Weeds: Annual bluegrass – Poa annua Weeds: Barnyardgrass – Echinochloa crus-galli Weeds: Bentgrass, creeping – Agrostis stolonifera Weeds: Bermudagrass – Cynodon dactylon Weeds: Birdfoot Trefoil – Lotus corniculatus Weeds: Bittercress (Shotweed, Hairy bittercress) – Cardamine hirsuta Weeds: Bittersweet nightshade (European bittersweet) – Solanum dulcamara Weeds: Black medic – Medicago lupulina Weeds: Blackberry (Himalayan, Evergreen, Pacific) – Rubus spp. Weeds: Blue mustard (Purple mustard, Tenella mustard) – Chorispora tenella Weeds: Brackenfern, western – Pteridium aquilinum Weeds: Buffalobur – Solanum rostratum Weeds: Bull thistle – Cirsium vulgare Weeds: Buttercup, creeping – Ranunculus repens Weeds: Butterfly bush – Buddleja davidii Weed Gallery A to B C to E F to H I to Po Pr to Sc Sh to Z