Molecular data do not support the current division of Orthotrichum (Bryophyta) species with immersed stomata
Jakub SAWICKI, Vítèzslav PLÁŠEK, Monika SZCZECIŃSKA
J Syst Evol . 2012, (1): 12 -24 .  DOI: 10.1111/j.1759-6831.2011.00168.x