Biblio
Variation in Native, and Cactaceae Seeds in the Soil as a Function of an Invasive Exotic Grass in Mona Island Reserve. Pittsburgh, Pennsylvania; 2010.
Variation in Native and Cactaceae Seeds in the Soil as a Function of an Invasive Exotic Grass in Mona Island Reserve. St. Louis Missouri; 2011.
Variation in Native and Cactaceae Seeds in the Soil as a Function of an Invasive Exotic Grass in Mona Island Reserve. University of Puerto Rico, Mayaguez Campus; 2010.