Monvillea phatnosperma var. arenasii Oakley & R.Kiesling in Bol. Soc. Argent. Bot. 50: 251. 2015 Monvillea phatnosperma var. arenasii Oakley & R.Kiesling in Bol. Soc. Argent. Bot. 50: 251. 2015Taxon for this nameMonvillea phatnosperma var. arenasii Oakley & R.Kiesling