Almirón M., Martínez Carretero E., Echinopsis leucantha (Gillies ex Salm-Dyck) Walp. (Cactoideae). Interacciones con plantas nodrizas en el desierto central argentino, Multequina, 2010, 19:77-87
The complete study of cactus spatial patterns in three Matagusanos geotopes was downloaded and read. Association with shrubs is presented as a spatial relationship. Site climate data are kept separate from the tolerance of potted plants.