You have requested access to download the full text of the source (SourceID: 277643):
Morales, E. A.; Manoylov, K. M.; Bahls, L. L. (2012). Fragilariforma horstii sp. nov.(Bacillariophyceae) a new araphid species from the northern United States of America. Nova Hedwigia. 141: 141-154.