Hayden, B.S. and Pupulin, F. 2008. Book Reviews: Subtropical and Dry Climate Plants: The Definitive Practical Guide by Martyn Rix; Icones Pleurothallidinarum—Volume XXIX—A Third Century of Stelis of Ecuador, Systematics of Apoda-Prorepentia, Systematics of Miscellaneous Small Genera, Add. Selbyana. 29, 1 (Feb. 2008), 143–145.