Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At2g44740	Cyclin-U4-1.	No verified direct reference in this release
Arabidopsis	At5g07450	Cyclin-U4-2.	No verified direct reference in this release
Arabidopsis	At5g61650	Cyclin-U4-3.	No verified direct reference in this release
Arabidopsis	At3g63120	Cyclin-U3-1.	No verified direct reference in this release
Rice	Os10g0563900	Cyclin-P4-1.	No verified direct reference in this release