Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At3g21870	Cyclin-U1-1.	No verified direct reference in this release
Arabidopsis	At2g44740	Cyclin-U4-1.	No verified direct reference in this release
Arabidopsis	At3g60550	Cyclin-U2-2.	No verified direct reference in this release
Arabidopsis	At2g45080	Cyclin-U2-1.	No verified direct reference in this release
Rice	Os10g0563900	Cyclin-P4-1.	No verified direct reference in this release