Project 450: A. M. Cialdella, D. L. Salariato, L. Aagesen, L. M. Giussani, F. O. Zuloaga, O. Morrone. 2010. Phylogeny of New World Stipeae (Poaceae): an evaluation of the monophyly of Aciachne and Amelichloa. Cladistics. 26 (6):563-578.
This project has 6 specimens.