Arabidopsis thaliana
 Arabidopsis thaliana (/ərˌæbɨˈdɒpsɪsˌθɑːliˈɑːnə/ thale cress mouse-ear cress or arabidopsis) is a small flowering plant native to Eurasia. A winter annual with a relatively short life cycle Arabidopsis is a popular model organism in plant biology and genetics. For a complex multicellular eukaryote Arabidopsis thaliana has a relatively small genome of approximately 135 megabase pairs (Mbp).