Reference Ontologies for Plants:

Developed by the Planteome Project:

• Plant Ontology (PO): Download
  • Browse PO: plant anatomical entity
  • Browse PO: plant structure development stage
• Plant Trait Ontology (TO): Browse TO | Download
• Plant Experimental Conditions Ontology (PECO): Browse PECO | Download
• Plant Stress Ontology (PSO): Work in progress

External Reference Ontologies for Plants

• Gene Ontology (GO): Visit GO project website | Download
  • Browse GO: biological process
  • Browse GO: cellular component
  • Browse GO: molecular function
• Phenotype and Attribute Ontology (PATO)
• Chemical Entities of Biological Interest (ChEBI)