NCBI : The resource organizes information on genomes including sequences, maps, chromosomes, assemblies, and annotations.

GIGADB : A data repository supporting scientific publications in the Life/Biomedical Sciences domain.

Ensembl Plants : A genome-centric portal for plant species of scientific interest.

Phytozome : A comparative platform for green plant genomics.

TAIR : The Arabidopsis Information Resource, a database of genetic and molecular biology data for the model higher plant Arabidopsis thaliana.

PmiREN : Plant miRNA ENcyclopedia, a comprehensive functional plant miRNA database.

KEGG : Kyoto Encyclopedia of Genes and Genomes, a database resource for understanding high-level functions and utilities of the biological system.

GO : Gene Ontology.

EggNOG : A database of orthologous groups and functional annotation.

PPBC : Plant Photo Bank of China.

iPlant : A platform for plant species information.

Pubmed : A free search engine for life sciences and biomedical topics.

Wikipedia : A free online encyclopedia.