Monocotyledons and Gymnosperms of Puerto Rico and the Virgin Island - Acevedo-Rodriguez, Pedro; Strong, Mark T.; National Museum of Natural History (U.S.) Department of Botany (Washington, DC : Department of Botany, National Museum of Natural History, 2005)
Keywords: Monocotyledons -- Puerto Rico; Monocotyledons -- Virgin Islands of the United States; Gymnosperms -- Puerto Rico; Gymnosperms -- Virgin Islands of the United States