Apostolakos, P Callose implication in stomatal opening and closure in the fern Asplenium nidus. [electronic resource] - The New phytologist May 2010 - 623-35 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 1469-8137 Standard No.: 10.1111/j.1469-8137.2010.03206.x doi Subjects--Topical Terms: Cellulase--metabolismFerns--cytologyFluorescenceGlucans--metabolismPlant Stomata--cytology