Posted signs say it is a crime.

So imagine the uproar on Martha’s Vineyard when huckleberry bushes and viburnum shrubs vanished from a nature preserve last spring. Dozens of trees were uprooted from a sanctuary in a nearby town, too. The plants, it turns out, had been carted off to the 12-acre West Tisbury estate of Dirk Ziff, a New York investor (Och-Ziff Capital) and heir to a publishing fortune. Can’t he afford to buy his own shrubs? - Real Estate Journal