BOONKERD, T.; POLLAWATN, R.; CHANTANAORRAPINT, S.; LAI, M. J. A Note on Asterella khasyana (Griff.) Pandé, K.P. Srivast. and Sultan Khan (Marchantiales, Aytoniaceae) in Thailand. Trop. Nat. His. 2007, 7, 109-113.