Moses Ashley Curtis of Hillsborough was regarded as the American authority on fungi in the 1850s. He developed international friendships, one with Reverend Miles Joseph Berkeley in England, with whom he wrote five scholarly papers. Curtis's most important work, however, was his forty-year study of plant life in North Carolina. His SHRUBS AND WOODY VINES OF NORTH CAROLINA was first published in 1860. This list of 4800 North Carolina plants was the largest North American regional list.