greenbriar

American beautyberry, sumac, greenbriar, and hawthorn are part of the understory.

Ecoregions of Texas (EPA) 2009

As in the Eastern Cross Timbers (29b), the dominant trees are post oak and blackjack oak with an understory of greenbriar, little bluestem, and purpletop grasses.

Ecoregions of Texas (EPA) 2009

American beautyberry, sumac, greenbriar, and hawthorn are common understory species.

Ecoregions of Louisiana (EPA) 2008

The understory consists primarily of American holly and the shrub layer is dominated by wax myrtle, poison ivy, trumpet vine, bull briar, greenbriar and Japanese honeysuckle.

Chesapeake Bay National Estuarine Research Reserve, Virginia 2007

The uplands are now covered with dense shrub growth of arrowwood viburnum, bayberry, blueberry and shadbush, interspersed with red cedar, red maple, sapling oaks, pitch pine, black cherry, common greenbriar and blackberry.

Narragansett Bay National Estuarine Research Reserve, Rhode Island 2007

The Creek started at the rear of Brownie's yard, a steep hill covered with greenbriar, but for a narrow dirt path, kept up, I suppose, by my fat ass sliding down into the shadows a few times a week on my way to Mark's house.

Asimov's Science Fiction 2004

They found some greenbriar vines, but they were too thorny to use.

Faun & Games Anthony, Piers 1997

Winter grouse can quickly fill their crop, an elastic "sack" at the juncture of the neck and breast, with buds, twigs, or the fruit of wild grape or greenbriar, then grind the food in their muscular gizzard while roosting.

post-gazette.com - News 2010

Sounds like the "locust bushes" are something called "bristly greenbriar" - check out pics thru google images to see if that's what you got caught in.

LJWorld.com stories: News 2009

The summer rains that brought the acorns also brought honeysuckle, greenbriar and other browse, or grazing food, that deer prefer.

Stories: Local News 2009