Collection

Holder

Status

Akebia

Hilde Wainstein

Full

Begonia

David Rhodes and John Rockcliffe

Full

Chrysanthemum

Judy Barker

Full

Hyssopus

Margaret Easter

Full

Rosa

Royal National Rose Society

Transitional

Salix

Rothamsted Research

Provisional

Satureja

Margaret Easter

Full

Thymus

Margaret Easter

Scientific