individual publications
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academic article
- The Plant Ontology Database: A Community Resource for Plant Structure and Developmental Stages, Controlled Vocabulary and Annotations. Nucleic Acids Research. 36. 2008
- Plant Ontology (PO): A controlled vocabulary of plant structures and growth stages. Comp Func Gen. 6:388-397. 2006
- Whole Plant Growth Stage Ontology for Angiosperms and its Application in Plant Biology. Plant Physiology. 14. 2006