Katica Ilic, Seung Yon Rhee, Elizabeth A. Kellogg, Peter F. Stevens. Plant Structure Ontology (PSO) - A Morphological and Anatomical Ontology of Flowering Plants. In Albert Burger, Duncan Davidson, Richard A. Baldock, editors, Anatomy Ontologies for Bioinformatics, Principles and Practice. Volume 6 of Computational Biology, pages 27-42, Springer, 2008. [doi]
Abstract is missing.