Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At3g60550	Cyclin-U2-2.	No verified direct reference in this release
Arabidopsis	At2g45080	Cyclin-U2-1.	No verified direct reference in this release
Arabidopsis	At2g44740	Cyclin-U4-1.	No verified direct reference in this release
Arabidopsis	At5g07450	Cyclin-U4-2.	No verified direct reference in this release
Rice	Os04g0552300	Cyclin-P2-1.	No verified direct reference in this release